Canvas.java revision 9bc13a353fa8fac323839268789ef661b219530c
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabreseimport android.annotation.IntDef; 20ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabreseimport android.annotation.NonNull; 21ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabreseimport android.annotation.Nullable; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.GraphicsOperations; 23f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.SpannableString; 24f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.SpannedString; 25f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.TextUtils; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabreseimport java.lang.annotation.Retention; 28ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabreseimport java.lang.annotation.RetentionPolicy; 29ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese 30091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craikimport javax.microedition.khronos.opengles.GL; 31091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Canvas class holds the "draw" calls. To draw something, you need 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4 basic components: A Bitmap to hold the pixels, a Canvas to host 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Path, text, Bitmap), and a paint (to describe the colors and styles for the 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing). 3861fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * 3961fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <div class="special reference"> 4061fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <h3>Developer Guides</h3> 4161fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p>For more information about how to use Canvas, read the 4261fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/graphics/2d-graphics.html"> 4361fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * Canvas and Drawables</a> developer guide.</p></div> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Canvas { 46ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 47fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger // assigned in constructors or setBitmap, freed in finalizer 485c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita private long mNativeCanvasWrapper; 49c677675e9c465dc1de21ecf2e0421835c7eb55b4Florin Malita 50ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov /** @hide */ 515c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita public long getNativeCanvasWrapper() { 525c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return mNativeCanvasWrapper; 53c677675e9c465dc1de21ecf2e0421835c7eb55b4Florin Malita } 54ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 55a753f4c6cb8558795e673df1896532cd148781e2Chris Craik /** @hide */ 56a753f4c6cb8558795e673df1896532cd148781e2Chris Craik public boolean isRecordingFor(Object o) { return false; } 57a753f4c6cb8558795e673df1896532cd148781e2Chris Craik 58e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // may be null 59e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy private Bitmap mBitmap; 60ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // optional field set by the caller 62ce0537b80087a6225273040a987414b1dd081aa0Romain Guy private DrawFilter mDrawFilter; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 65ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * @hide 66ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 67ce0537b80087a6225273040a987414b1dd081aa0Romain Guy protected int mDensity = Bitmap.DENSITY_NONE; 680d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn 69ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 70ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Used to determine when compatibility scaling is in effect. 71051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 72ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * @hide 73ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 74ce0537b80087a6225273040a987414b1dd081aa0Romain Guy protected int mScreenDensity = Bitmap.DENSITY_NONE; 75051910b9f998030dacb8a0722588cc715813fde1Raph Levien 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used by native code 77f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy @SuppressWarnings("UnusedDeclaration") 78e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy private int mSurfaceFormat; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 80da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio /** 81da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio * Flag for drawTextRun indicating left-to-right run direction. 82da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio * @hide 83da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio */ 84da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio public static final int DIRECTION_LTR = 0; 85051910b9f998030dacb8a0722588cc715813fde1Raph Levien 86da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio /** 87da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio * Flag for drawTextRun indicating right-to-left run direction. 88da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio * @hide 89da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio */ 90da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio public static final int DIRECTION_RTL = 1; 91da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio 92f61970fc79e9c5cf340fa942597628242361864aRomain Guy // Maximum bitmap size as defined in Skia's native code 93f61970fc79e9c5cf340fa942597628242361864aRomain Guy // (see SkCanvas.cpp, SkDraw.cpp) 94f61970fc79e9c5cf340fa942597628242361864aRomain Guy private static final int MAXMIMUM_BITMAP_SIZE = 32766; 95f61970fc79e9c5cf340fa942597628242361864aRomain Guy 964a317db43d2bbc992284dd1f651751f13734d017Romain Guy // This field is used to finalize the native Canvas properly 97e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private final CanvasFinalizer mFinalizer; 98e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 99ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov private static final class CanvasFinalizer { 1005c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita private long mNativeCanvasWrapper; 101e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 10236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat public CanvasFinalizer(long nativeCanvas) { 1035c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mNativeCanvasWrapper = nativeCanvas; 104e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 105e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 106e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy @Override 107e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy protected void finalize() throws Throwable { 1083b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy try { 109ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov dispose(); 1103b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy } finally { 1113b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy super.finalize(); 112e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 113e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 114ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 115ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov public void dispose() { 1165c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita if (mNativeCanvasWrapper != 0) { 1175c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita finalizer(mNativeCanvasWrapper); 1185c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mNativeCanvasWrapper = 0; 119ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov } 120ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov } 121e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 122e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 123f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct an empty raster canvas. Use setBitmap() to specify a bitmap to 12596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * draw into. The initial target density is {@link Bitmap#DENSITY_NONE}; 12696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * this will typically be replaced when a target bitmap is set for the 12796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * canvas. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Canvas() { 130003123004f7b23b3dc472d5c40b8c1a16df37a54Romain Guy if (!isHardwareAccelerated()) { 131003123004f7b23b3dc472d5c40b8c1a16df37a54Romain Guy // 0 means no native bitmap 1325c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mNativeCanvasWrapper = initRaster(0); 1335c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mFinalizer = new CanvasFinalizer(mNativeCanvasWrapper); 134003123004f7b23b3dc472d5c40b8c1a16df37a54Romain Guy } else { 135003123004f7b23b3dc472d5c40b8c1a16df37a54Romain Guy mFinalizer = null; 136003123004f7b23b3dc472d5c40b8c1a16df37a54Romain Guy } 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct a canvas with the specified bitmap to draw into. The bitmap 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be mutable. 142051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 14396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The initial target density of the canvas is the same as the given 14496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * bitmap's density. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 148ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public Canvas(@NonNull Bitmap bitmap) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bitmap.isMutable()) { 150f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy throw new IllegalStateException("Immutable bitmap passed to Canvas constructor"); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1521abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik throwIfCannotDraw(bitmap); 1535c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mNativeCanvasWrapper = initRaster(bitmap.ni()); 1545c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mFinalizer = new CanvasFinalizer(mNativeCanvasWrapper); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 15696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = bitmap.mDensity; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 158ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 159ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov /** @hide */ 16036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat public Canvas(long nativeCanvas) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nativeCanvas == 0) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mNativeCanvasWrapper = nativeCanvas; 1655c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita mFinalizer = new CanvasFinalizer(mNativeCanvasWrapper); 16696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = Bitmap.getDefaultDensity(); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 168163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 170091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik * Returns null. 171c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * 172091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik * @deprecated This method is not supported and should not be invoked. 173c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * 174091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik * @hide 175091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik */ 176091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik @Deprecated 177091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik protected GL getGL() { 178091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik return null; 179091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik } 180091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik 181091ddb1374e3bcdac129c1df5ef2555cf5c2183eChris Craik /** 1822d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Indicates whether this Canvas uses hardware acceleration. 183051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 1842d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Note that this method does not define what type of hardware acceleration 1852d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * may or may not be used. 186051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 1872d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * @return True if drawing operations are hardware accelerated, 1882d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * false otherwise. 1892d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy */ 1902d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy public boolean isHardwareAccelerated() { 191163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return false; 192caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed } 193163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 195051910b9f998030dacb8a0722588cc715813fde1Raph Levien * Specify a bitmap for the canvas to draw into. All canvas state such as 1963bd9a6dc6b30ed0ce40ca9087ca0f4b1ca789100Derek Sollenberger * layers, filters, and the save/restore stack are reset with the exception 1973bd9a6dc6b30ed0ce40ca9087ca0f4b1ca789100Derek Sollenberger * of the current matrix and clip stack. Additionally, as a side-effect 1983bd9a6dc6b30ed0ce40ca9087ca0f4b1ca789100Derek Sollenberger * the canvas' target density is updated to match that of the bitmap. 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 20196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #setDensity(int) 20296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #getDensity() 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 204ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void setBitmap(@Nullable Bitmap bitmap) { 205163935113919a184122b8b3bd672ef08c8df65dcRomain Guy if (isHardwareAccelerated()) { 20696890564bdbd2f2a41dfc323fc8b3938fb335639Chris Craik throw new RuntimeException("Can't set a bitmap device on a HW accelerated canvas"); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger if (bitmap == null) { 2105c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_setBitmap(mNativeCanvasWrapper, 0, false); 211fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger mDensity = Bitmap.DENSITY_NONE; 212fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger } else { 2130965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy if (!bitmap.isMutable()) { 2140965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy throw new IllegalStateException(); 2150965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy } 2161abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik throwIfCannotDraw(bitmap); 217fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger 2185c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_setBitmap(mNativeCanvasWrapper, bitmap.ni(), true); 2190965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy mDensity = bitmap.mDensity; 2200965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy } 2210965a3244b4c3009d08db2e084cdcb681ef66d26Romain Guy 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 224c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2265c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita * setBitmap() variant for native callers with a raw bitmap handle. 2275c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita */ 2285c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita private void setNativeBitmap(long bitmapHandle) { 2295c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_setBitmap(mNativeCanvasWrapper, bitmapHandle, false); 2305c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita } 2315c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita 2325c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the viewport dimensions if this canvas is GL based. If it is not, 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method is ignored and no exception is thrown. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 236163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param width The width of the viewport 237163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param height The height of the viewport 238c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * 239163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 241797b95b26bbb7557678af78b9a2a61830158920fChris Craik public void setViewport(int width, int height) {} 242797b95b26bbb7557678af78b9a2a61830158920fChris Craik 243cce47eb580d666ead1f6095d1e3b65233592bbaaChris Craik /** @hide */ 244cce47eb580d666ead1f6095d1e3b65233592bbaaChris Craik public void setHighContrastText(boolean highContrastText) {} 245cce47eb580d666ead1f6095d1e3b65233592bbaaChris Craik 2468afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik /** @hide */ 2478afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik public void insertReorderBarrier() {} 2488afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik 2498afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik /** @hide */ 2508afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik public void insertInorderBarrier() {} 2518afd0f245cc0c4a0366f39f41b5f78e47ee83be3Chris Craik 252797b95b26bbb7557678af78b9a2a61830158920fChris Craik /** 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the device that the current layer draws into is opaque 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. does not support per-pixel alpha). 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the device that the current layer draws into is opaque 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public boolean isOpaque() { 25995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_isOpaque(mNativeCanvasWrapper); 26095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the width of the current drawing layer 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the width of the current drawing layer 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public int getWidth() { 26895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_getWidth(mNativeCanvasWrapper); 26995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the height of the current drawing layer 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the height of the current drawing layer 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public int getHeight() { 27795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_getHeight(mNativeCanvasWrapper); 27895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Returns the target density of the canvas. The default density is 28296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * derived from the density of its backing bitmap, or 28396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} if there is not one.</p> 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @return Returns the current target density of the canvas, which is used 28696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #setDensity(int) 289051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @see Bitmap#getDensity() 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getDensity() { 29211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return mDensity; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Specifies the density for this Canvas' backing bitmap. This modifies 29796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * the target density of the canvas itself, as well as the density of its 29896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * backing bitmap via {@link Bitmap#setDensity(int) Bitmap.setDensity(int)}. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @param density The new target density of the canvas, which is used 30196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. Use 30296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} to disable bitmap scaling. 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #getDensity() 305051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @see Bitmap#setDensity(int) 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public void setDensity(int density) { 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBitmap != null) { 30911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mBitmap.setDensity(density); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mDensity = density; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3140d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn /** @hide */ 3150d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn public void setScreenDensity(int density) { 3160d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity = density; 3170d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn } 318f61970fc79e9c5cf340fa942597628242361864aRomain Guy 319f61970fc79e9c5cf340fa942597628242361864aRomain Guy /** 320f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Returns the maximum allowed width for bitmaps drawn with this canvas. 321f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Attempting to draw with a bitmap wider than this value will result 322f61970fc79e9c5cf340fa942597628242361864aRomain Guy * in an error. 323051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 324051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @see #getMaximumBitmapHeight() 325f61970fc79e9c5cf340fa942597628242361864aRomain Guy */ 326f61970fc79e9c5cf340fa942597628242361864aRomain Guy public int getMaximumBitmapWidth() { 327f61970fc79e9c5cf340fa942597628242361864aRomain Guy return MAXMIMUM_BITMAP_SIZE; 328f61970fc79e9c5cf340fa942597628242361864aRomain Guy } 329051910b9f998030dacb8a0722588cc715813fde1Raph Levien 330f61970fc79e9c5cf340fa942597628242361864aRomain Guy /** 331f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Returns the maximum allowed height for bitmaps drawn with this canvas. 332f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Attempting to draw with a bitmap taller than this value will result 333f61970fc79e9c5cf340fa942597628242361864aRomain Guy * in an error. 334051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 335051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @see #getMaximumBitmapWidth() 336f61970fc79e9c5cf340fa942597628242361864aRomain Guy */ 337f61970fc79e9c5cf340fa942597628242361864aRomain Guy public int getMaximumBitmapHeight() { 338f61970fc79e9c5cf340fa942597628242361864aRomain Guy return MAXMIMUM_BITMAP_SIZE; 339f61970fc79e9c5cf340fa942597628242361864aRomain Guy } 340f61970fc79e9c5cf340fa942597628242361864aRomain Guy 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the SAVE_FLAG constants must match their native equivalents 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 343ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese /** @hide */ 344ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @IntDef(flag = true, 345ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese value = { 346ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese MATRIX_SAVE_FLAG, 347ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese CLIP_SAVE_FLAG, 348ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese HAS_ALPHA_LAYER_SAVE_FLAG, 349ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese FULL_COLOR_LAYER_SAVE_FLAG, 350ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese CLIP_TO_LAYER_SAVE_FLAG, 351ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese ALL_SAVE_FLAG 352ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese }) 353ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Retention(RetentionPolicy.SOURCE) 354ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public @interface Saveflags {} 355ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current matrix when restore() is called */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MATRIX_SAVE_FLAG = 0x01; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current clip when restore() is called */ 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_SAVE_FLAG = 0x02; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to per-pixel alpha */ 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int HAS_ALPHA_LAYER_SAVE_FLAG = 0x04; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to 8-bits per color component */ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FULL_COLOR_LAYER_SAVE_FLAG = 0x08; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** clip against the layer's bounds */ 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_TO_LAYER_SAVE_FLAG = 0x10; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore everything when restore() is called */ 367051910b9f998030dacb8a0722588cc715813fde1Raph Levien public static final int ALL_SAVE_FLAG = 0x1F; 368051910b9f998030dacb8a0722588cc715813fde1Raph Levien 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Saves the current matrix and clip onto a private stack. Subsequent 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calls to translate,scale,rotate,skew,concat or clipRect,clipPath 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will all operate as usual, but when the balancing call to restore() 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is made, those calls will be forgotten, and the settings that existed 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before the save() will be reinstated. 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 37895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public int save() { 37995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_save(mNativeCanvasWrapper, MATRIX_SAVE_FLAG | CLIP_SAVE_FLAG); 38095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 381051910b9f998030dacb8a0722588cc715813fde1Raph Levien 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Based on saveFlags, can save the current matrix and clip onto a private 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * stack. Subsequent calls to translate,scale,rotate,skew,concat or 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect,clipPath will all operate as usual, but when the balancing 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to restore() is made, those calls will be forgotten, and the 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * settings that existed before the save() will be reinstated. 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags flag bits that specify which parts of the Canvas state 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to save/restore 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 393ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public int save(@Saveflags int saveFlags) { 39495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_save(mNativeCanvasWrapper, saveFlags); 39595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds May be null. The maximum size the offscreen bitmap 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be (in local coordinates) 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint This is copied, and is applied to the offscreen when 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * restore() is called. 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this save() 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 413ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public int saveLayer(@Nullable RectF bounds, @Nullable Paint paint, @Saveflags int saveFlags) { 4149bc13a353fa8fac323839268789ef661b219530cChris Craik if (bounds == null) { 4159bc13a353fa8fac323839268789ef661b219530cChris Craik bounds = new RectF(getClipBounds()); 4169bc13a353fa8fac323839268789ef661b219530cChris Craik } 4179bc13a353fa8fac323839268789ef661b219530cChris Craik return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 419c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 420c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik /** 421c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * Convenience for saveLayer(bounds, paint, {@link #ALL_SAVE_FLAG}) 422c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik */ 423ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public int saveLayer(@Nullable RectF bounds, @Nullable Paint paint) { 424c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik return saveLayer(bounds, paint, ALL_SAVE_FLAG); 425c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik } 426c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper version of saveLayer() that takes 4 values rather than a RectF. 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 430ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public int saveLayer(float left, float top, float right, float bottom, @Nullable Paint paint, 431ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Saveflags int saveFlags) { 4325c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_saveLayer(mNativeCanvasWrapper, left, top, right, bottom, 433f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy paint != null ? paint.mNativePaint : 0, 434f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy saveFlags); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 438c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * Convenience for saveLayer(left, top, right, bottom, paint, {@link #ALL_SAVE_FLAG}) 439c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik */ 440ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public int saveLayer(float left, float top, float right, float bottom, @Nullable Paint paint) { 441c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik return saveLayer(left, top, right, bottom, paint, ALL_SAVE_FLAG); 442c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik } 443c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 444c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik /** 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds The maximum size the offscreen bitmap needs to be 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (in local coordinates) 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param alpha The alpha to apply to the offscreen when when it is 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawn during restore() 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this call 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4609bc13a353fa8fac323839268789ef661b219530cChris Craik public int saveLayerAlpha(@Nullable RectF bounds, int alpha, @Saveflags int saveFlags) { 4619bc13a353fa8fac323839268789ef661b219530cChris Craik if (bounds == null) { 4629bc13a353fa8fac323839268789ef661b219530cChris Craik bounds = new RectF(getClipBounds()); 4639bc13a353fa8fac323839268789ef661b219530cChris Craik } 4649bc13a353fa8fac323839268789ef661b219530cChris Craik return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, alpha, saveFlags); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 466c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 467c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik /** 468c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * Convenience for saveLayerAlpha(bounds, alpha, {@link #ALL_SAVE_FLAG}) 469c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik */ 4709bc13a353fa8fac323839268789ef661b219530cChris Craik public int saveLayerAlpha(@Nullable RectF bounds, int alpha) { 471c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik return saveLayerAlpha(bounds, alpha, ALL_SAVE_FLAG); 472c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik } 473c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for saveLayerAlpha() that takes 4 values instead of a RectF. 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 477f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 478ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Saveflags int saveFlags) { 4799bc13a353fa8fac323839268789ef661b219530cChris Craik alpha = Math.min(255, Math.max(0, alpha)); 4805c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_saveLayerAlpha(mNativeCanvasWrapper, left, top, right, bottom, 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha, saveFlags); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 485c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik * Helper for saveLayerAlpha(left, top, right, bottom, alpha, {@link #ALL_SAVE_FLAG}) 486c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik */ 487c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha) { 488c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik return saveLayerAlpha(left, top, right, bottom, alpha, ALL_SAVE_FLAG); 489c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik } 490c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik 491c306ad61a791bae34ed83b339f27cb67a1d91b53Chris Craik /** 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This call balances a previous call to save(), and is used to remove all 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * modifications to the matrix/clip state since the last save call. It is 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an error to call restore() more times than save() was called. 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 49695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void restore() { 49795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_restore(mNativeCanvasWrapper); 49895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of matrix/clip states on the Canvas' private stack. 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will equal # save() calls - # restore() calls. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 50495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public int getSaveCount() { 50595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_getSaveCount(mNativeCanvasWrapper); 50695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Efficient way to pop any calls to save() that happened after the save 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * count reached saveCount. It is an error for saveCount to be less than 1. 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example: 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * int count = canvas.save(); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... // more calls potentially to save() 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * canvas.restoreToCount(count); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // now the canvas is back in the same state it was before the initial 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // call to save(). 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveCount The save level to restore to. 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 52195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void restoreToCount(int saveCount) { 52295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_restoreToCount(mNativeCanvasWrapper, saveCount); 52395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified translation 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The distance to translate in X 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The distance to translate in Y 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 53195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void translate(float dx, float dy) { 53295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_translate(mNativeCanvasWrapper, dx, dy); 53395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void scale(float sx, float sy) { 54295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_scale(mNativeCanvasWrapper, sx, sy); 54395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 550cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param px The x-coord for the pivot point (unchanged by the scale) 551cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param py The y-coord for the pivot point (unchanged by the scale) 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void scale(float sx, float sy, float px, float py) { 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale(sx, sy); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 56495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void rotate(float degrees) { 56595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_rotate(mNativeCanvasWrapper, degrees); 56695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param px The x-coord for the pivot point (unchanged by the rotation) 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param py The y-coord for the pivot point (unchanged by the rotation) 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void rotate(float degrees, float px, float py) { 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rotate(degrees); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified skew. 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to skew in X 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to skew in Y 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 58795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void skew(float sx, float sy) { 58895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_skew(mNativeCanvasWrapper, sx, sy); 58995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5924e7b772b733593fbe25c733e95b8dcea293234b6Romain Guy * Preconcat the current matrix with the specified matrix. If the specified 5934e7b772b733593fbe25c733e95b8dcea293234b6Romain Guy * matrix is null, this method does nothing. 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to preconcatenate with the current matrix 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 597ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void concat(@Nullable Matrix matrix) { 5985c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita if (matrix != null) native_concat(mNativeCanvasWrapper, matrix.native_instance); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 600051910b9f998030dacb8a0722588cc715813fde1Raph Levien 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Completely replace the current matrix with the specified matrix. If the 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix parameter is null, then the current matrix is reset to identity. 604051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 605f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy * <strong>Note:</strong> it is recommended to use {@link #concat(Matrix)}, 606f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy * {@link #scale(float, float)}, {@link #translate(float, float)} and 607f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy * {@link #rotate(float)} instead of this method. 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to replace the current matrix with. If it is 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * null, set the current matrix to identity. 611051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 612051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @see #concat(Matrix) 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 614ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void setMatrix(@Nullable Matrix matrix) { 6155c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_setMatrix(mNativeCanvasWrapper, 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix == null ? 0 : matrix.native_instance); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 618051910b9f998030dacb8a0722588cc715813fde1Raph Levien 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return, in ctm, the current transformation matrix. This does not alter 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the matrix in the canvas, but just returns a copy of it. 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 623f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy @Deprecated 624ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void getMatrix(@NonNull Matrix ctm) { 6255c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_getCTM(mNativeCanvasWrapper, ctm.native_instance); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62741030da16856c8869e1e51d4a0405432fa96614eRomain Guy 62841030da16856c8869e1e51d4a0405432fa96614eRomain Guy /** 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new matrix with a copy of the canvas' current transformation 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix. 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63265447287cb4112cf74483c87be70bcd00b622e2dRomain Guy @Deprecated 633ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public final @NonNull Matrix getMatrix() { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix m = new Matrix(); 635f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy //noinspection deprecation 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getMatrix(m); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return m; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639051910b9f998030dacb8a0722588cc715813fde1Raph Levien 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle. 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to intersect with the current clip 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 647ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRect(@NonNull RectF rect, @NonNull Region.Op op) { 6485c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_clipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom, 649f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy op.nativeInt); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 660ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRect(@NonNull Rect rect, @NonNull Region.Op op) { 6615c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_clipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom, 662f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy op.nativeInt); 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 672ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRect(@NonNull RectF rect) { 67395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_clipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom, 67495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita Region.Op.INTERSECT.nativeInt); 67595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 67695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 684ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRect(@NonNull Rect rect) { 68595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_clipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom, 68695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita Region.Op.INTERSECT.nativeInt); 68795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 688051910b9f998030dacb8a0722588cc715813fde1Raph Levien 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 704ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRect(float left, float top, float right, float bottom, 705ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Region.Op op) { 7065c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_clipRect(mNativeCanvasWrapper, left, top, right, bottom, op.nativeInt); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 72295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public boolean clipRect(float left, float top, float right, float bottom) { 72395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_clipRect(mNativeCanvasWrapper, left, top, right, bottom, 72495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita Region.Op.INTERSECT.nativeInt); 72595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 726f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 74095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public boolean clipRect(int left, int top, int right, int bottom) { 74195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_clipRect(mNativeCanvasWrapper, left, top, right, bottom, 74295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita Region.Op.INTERSECT.nativeInt); 74395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 744f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified path. 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to operate on the current clip 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 752ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipPath(@NonNull Path path, @NonNull Region.Op op) { 7535c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_clipPath(mNativeCanvasWrapper, path.ni(), op.nativeInt); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 755051910b9f998030dacb8a0722588cc715813fde1Raph Levien 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified path. 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to intersect with the current clip 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 762ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipPath(@NonNull Path path) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipPath(path, Region.Op.INTERSECT); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 765051910b9f998030dacb8a0722588cc715813fde1Raph Levien 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified region. Note that unlike 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 7760d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * 7770d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * @deprecated Unlike all other clip calls this API does not respect the 7780d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * current matrix. Use {@link #clipRect(Rect)} as an alternative. 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 780ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRegion(@NonNull Region region, @NonNull Region.Op op) { 7815c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_clipRegion(mNativeCanvasWrapper, region.ni(), op.nativeInt); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified region. Note that unlike 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 7930d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * 7940d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * @deprecated Unlike all other clip calls this API does not respect the 7950d181540e0c96da454f45e65987f690b27b929d9Derek Sollenberger * current matrix. Use {@link #clipRect(Rect)} as an alternative. 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 797ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean clipRegion(@NonNull Region region) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipRegion(region, Region.Op.INTERSECT); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 800051910b9f998030dacb8a0722588cc715813fde1Raph Levien 801ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public @Nullable DrawFilter getDrawFilter() { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawFilter; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 804051910b9f998030dacb8a0722588cc715813fde1Raph Levien 805ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void setDrawFilter(@Nullable DrawFilter filter) { 80636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeFilter = 0; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filter != null) { 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeFilter = filter.mNativeInt; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawFilter = filter; 8115c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita nativeSetDrawFilter(mNativeCanvasWrapper, nativeFilter); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum EdgeType { 815d320001807168f5565bab9807ef13c111096bbb3Chet Haase 816d320001807168f5565bab9807ef13c111096bbb3Chet Haase /** 817d320001807168f5565bab9807ef13c111096bbb3Chet Haase * Black-and-White: Treat edges by just rounding to nearest pixel boundary 818d320001807168f5565bab9807ef13c111096bbb3Chet Haase */ 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BW(0), //!< treat edges by just rounding to nearest pixel boundary 820d320001807168f5565bab9807ef13c111096bbb3Chet Haase 821d320001807168f5565bab9807ef13c111096bbb3Chet Haase /** 822d320001807168f5565bab9807ef13c111096bbb3Chet Haase * Antialiased: Treat edges by rounding-out, since they may be antialiased 823d320001807168f5565bab9807ef13c111096bbb3Chet Haase */ 824d320001807168f5565bab9807ef13c111096bbb3Chet Haase AA(1); 825051910b9f998030dacb8a0722588cc715813fde1Raph Levien 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EdgeType(int nativeInt) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 830c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy /** 831c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy * @hide 832c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy */ 833c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy public final int nativeInt; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect the rect to compare with the current clip 843d320001807168f5565bab9807ef13c111096bbb3Chet Haase * @param type {@link Canvas.EdgeType#AA} if the path should be considered antialiased, 844d320001807168f5565bab9807ef13c111096bbb3Chet Haase * since that means it may affect a larger area (more pixels) than 845d320001807168f5565bab9807ef13c111096bbb3Chet Haase * non-antialiased ({@link Canvas.EdgeType#BW}). 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 849ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean quickReject(@NonNull RectF rect, @NonNull EdgeType type) { 85095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita return native_quickReject(mNativeCanvasWrapper, 85195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita rect.left, rect.top, rect.right, rect.bottom); 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified path, after being transformed by the 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). Note: for speed it may 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return false even if the path itself might not intersect the clip 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. the bounds of the path intersects, but the path does not). 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to compare with the current clip 863d320001807168f5565bab9807ef13c111096bbb3Chet Haase * @param type {@link Canvas.EdgeType#AA} if the path should be considered antialiased, 864d320001807168f5565bab9807ef13c111096bbb3Chet Haase * since that means it may affect a larger area (more pixels) than 865d320001807168f5565bab9807ef13c111096bbb3Chet Haase * non-antialiased ({@link Canvas.EdgeType#BW}). 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the path (transformed by the canvas' matrix) 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 869ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean quickReject(@NonNull Path path, @NonNull EdgeType type) { 8705c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_quickReject(mNativeCanvasWrapper, path.ni()); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to compare with the 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to compare with the current 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to compare with the 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to compare with the 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 887d320001807168f5565bab9807ef13c111096bbb3Chet Haase * @param type {@link Canvas.EdgeType#AA} if the path should be considered antialiased, 888d320001807168f5565bab9807ef13c111096bbb3Chet Haase * since that means it may affect a larger area (more pixels) than 889d320001807168f5565bab9807ef13c111096bbb3Chet Haase * non-antialiased ({@link Canvas.EdgeType#BW}). 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 893ca79cf69d09efa0c327e9b1237d86a119aea5da7Derek Sollenberger public boolean quickReject(float left, float top, float right, float bottom, 894ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull EdgeType type) { 8955c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_quickReject(mNativeCanvasWrapper, left, top, right, bottom); 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899708144e828b1a549567ce50cd8ed3cda62930501Derek Sollenberger * Return the bounds of the current clip (in local coordinates) in the 900708144e828b1a549567ce50cd8ed3cda62930501Derek Sollenberger * bounds parameter, and return true if it is non-empty. This can be useful 901708144e828b1a549567ce50cd8ed3cda62930501Derek Sollenberger * in a way similar to quickReject, in that it tells you that drawing 902708144e828b1a549567ce50cd8ed3cda62930501Derek Sollenberger * outside of these bounds will be clipped out. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds Return the clip bounds here. If it is null, ignore it but 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * still return true if the current clip is non-empty. 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the current clip is non-empty. 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 908ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public boolean getClipBounds(@Nullable Rect bounds) { 9095c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita return native_getClipBounds(mNativeCanvasWrapper, bounds); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 911051910b9f998030dacb8a0722588cc715813fde1Raph Levien 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 913708144e828b1a549567ce50cd8ed3cda62930501Derek Sollenberger * Retrieve the bounds of the current clip (in local coordinates). 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the clip bounds, or [0, 0, 0, 0] if the clip is empty. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 917ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public final @NonNull Rect getClipBounds() { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect r = new Rect(); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getClipBounds(r); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r; 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 922051910b9f998030dacb8a0722588cc715813fde1Raph Levien 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified RGB color, using srcover porterduff mode. 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRGB(int r, int g, int b) { 9328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger drawColor(Color.rgb(r, g, b)); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified ARGB color, using srcover porterduff mode. 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a alpha component (0..255) of the color to draw onto the canvas 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawARGB(int a, int r, int g, int b) { 9458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger drawColor(Color.argb(a, r, g, b)); 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color, using srcover porterduff mode. 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw onto the canvas 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawColor(int color) { 9558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger native_drawColor(mNativeCanvasWrapper, color, PorterDuff.Mode.SRC_OVER.nativeInt); 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color and porter-duff xfermode. 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw with 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the porter-duff mode to apply to the color 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 965ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawColor(int color, @NonNull PorterDuff.Mode mode) { 9665c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawColor(mNativeCanvasWrapper, color, mode.nativeInt); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint. This is equivalent (but faster) to drawing an 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * infinitely large rectangle with the specified paint. 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw onto the canvas 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 976ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPaint(@NonNull Paint paint) { 9775c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawPaint(mNativeCanvasWrapper, paint.mNativePaint); 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979051910b9f998030dacb8a0722588cc715813fde1Raph Levien 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of points. Each point is centered at the coordinate 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified by pts[], and its diameter is specified by the paint's stroke 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * width (as transformed by the canvas' CTM), with special treatment for 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a stroke width of 0, which always draws exactly 1 pixel (or at most 4 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if antialiasing is enabled). The shape of the point is controlled by 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the paint's Cap type. The shape is a square, unless the cap type is 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Round, in which case the shape is a circle. 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values to skip before starting to draw. 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values to process, after skipping offset 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of them. Since one point uses two values, the number of 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "points" that are drawn is really (count >> 1). 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 996ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPoints(float[] pts, int offset, int count, @NonNull Paint paint) { 99795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_drawPoints(mNativeCanvasWrapper, pts, offset, count, paint.mNativePaint); 99895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() that assumes you want to draw the entire array 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1003ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPoints(@NonNull float[] pts, @NonNull Paint paint) { 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPoints(pts, 0, pts.length, paint); 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() for drawing a single point. 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1010ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPoint(float x, float y, @NonNull Paint paint) { 101195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_drawPoint(mNativeCanvasWrapper, x, y, paint.mNativePaint); 101295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a line segment with the specified start and stop x,y coordinates, 1016a5ef27da958acb84014b9f6ca4622c02be02fe22Chris Craik * using the specified paint. 1017a5ef27da958acb84014b9f6ca4622c02be02fe22Chris Craik * 1018a5ef27da958acb84014b9f6ca4622c02be02fe22Chris Craik * <p>Note that since a line is always "framed", the Style is ignored in the paint.</p> 1019a5ef27da958acb84014b9f6ca4622c02be02fe22Chris Craik * 1020a5ef27da958acb84014b9f6ca4622c02be02fe22Chris Craik * <p>Degenerate lines (length is 0) will not be drawn.</p> 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startX The x-coordinate of the start point of the line 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startY The y-coordinate of the start point of the line 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the line 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1026ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawLine(float startX, float startY, float stopX, float stopY, 1027ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 10285c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawLine(mNativeCanvasWrapper, startX, startY, stopX, stopY, paint.mNativePaint); 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of lines. Each line is taken from 4 consecutive values 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the pts array. Thus to draw 1 line, the array must contain at least 4 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. This is logically the same as drawing the array as follows: 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[0], pts[1], pts[2], pts[3]) followed by 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[4], pts[5], pts[6], pts[7]) and so on. 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values in the array to skip before drawing. 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values in the array to process, after 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * skipping "offset" of them. Since each line uses 4 values, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the number of "lines" that are drawn is really 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (count >> 2). 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 104695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita public void drawLines(float[] pts, int offset, int count, Paint paint) { 104795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_drawLines(mNativeCanvasWrapper, pts, offset, count, paint.mNativePaint); 104895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita } 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1050ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawLines(@NonNull float[] pts, @NonNull Paint paint) { 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawLines(pts, 0, pts.length, paint); 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to be drawn 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rect 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1061ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawRect(@NonNull RectF rect, @NonNull Paint paint) { 106295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita native_drawRect(mNativeCanvasWrapper, 106395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita rect.left, rect.top, rect.right, rect.bottom, paint.mNativePaint); 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified Paint. The rectangle 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r The rectangle to be drawn. 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rectangle 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1073ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawRect(@NonNull Rect r, @NonNull Paint paint) { 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawRect(r.left, r.top, r.right, r.bottom, paint); 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1076051910b9f998030dacb8a0722588cc715813fde1Raph Levien 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to be drawn 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top side of the rectangle to be drawn 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to be drawn 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom side of the rectangle to be drawn 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rect 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1088ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawRect(float left, float top, float right, float bottom, @NonNull Paint paint) { 10895c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawRect(mNativeCanvasWrapper, left, top, right, bottom, paint.mNativePaint); 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified oval using the specified paint. The oval will be 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The rectangle bounds of the oval to be drawn 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1098ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawOval(@NonNull RectF oval, @NonNull Paint paint) { 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 110224609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese drawOval(oval.left, oval.top, oval.right, oval.bottom, paint); 110324609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese } 110424609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese 110524609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese /** 110624609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * Draw the specified oval using the specified paint. The oval will be 110724609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * filled or framed based on the Style in the paint. 110824609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese */ 110924609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese public void drawOval(float left, float top, float right, float bottom, @NonNull Paint paint) { 111024609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese native_drawOval(mNativeCanvasWrapper, left, top, right, bottom, paint.mNativePaint); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified circle using the specified paint. If radius is <= 0, 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then nothing will be drawn. The circle will be filled or framed based 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on the Style in the paint. 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cx The x-coordinate of the center of the cirle to be drawn 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cy The y-coordinate of the center of the cirle to be drawn 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param radius The radius of the cirle to be drawn 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the circle 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1123ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint) { 11245c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawCircle(mNativeCanvasWrapper, cx, cy, radius, paint.mNativePaint); 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11284a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>Draw the specified arc, which will be scaled to fit inside the 11294a317db43d2bbc992284dd1f651751f13734d017Romain Guy * specified oval.</p> 1130051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 11314a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the start angle is negative or >= 360, the start angle is treated 11324a317db43d2bbc992284dd1f651751f13734d017Romain Guy * as start angle modulo 360.</p> 1133051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 11344a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the sweep angle is >= 360, then the oval is drawn 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * completely. Note that this differs slightly from SkPath::arcTo, which 11364a317db43d2bbc992284dd1f651751f13734d017Romain Guy * treats the sweep angle modulo 360. If the sweep angle is negative, 11374a317db43d2bbc992284dd1f651751f13734d017Romain Guy * the sweep angle is treated as sweep angle modulo 360</p> 1138051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 11394a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>The arc is drawn clockwise. An angle of 0 degrees correspond to the 11404a317db43d2bbc992284dd1f651751f13734d017Romain Guy * geometric angle of 0 degrees (3 o'clock on a watch.)</p> 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval used to define the shape and size 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the arc 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param useCenter If true, include the center of the oval in the arc, and 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close it if it is being stroked. This will draw a wedge 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the arc 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1150ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawArc(@NonNull RectF oval, float startAngle, float sweepAngle, boolean useCenter, 1151ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 115224609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese drawArc(oval.left, oval.top, oval.right, oval.bottom, startAngle, sweepAngle, useCenter, 115324609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese paint); 115424609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese } 115524609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese 115624609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese /** 115724609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * <p>Draw the specified arc, which will be scaled to fit inside the 115824609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * specified oval.</p> 115924609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * 116024609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * <p>If the start angle is negative or >= 360, the start angle is treated 116124609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * as start angle modulo 360.</p> 116224609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * 116324609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * <p>If the sweep angle is >= 360, then the oval is drawn 116424609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * completely. Note that this differs slightly from SkPath::arcTo, which 116524609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * treats the sweep angle modulo 360. If the sweep angle is negative, 116624609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * the sweep angle is treated as sweep angle modulo 360</p> 116724609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * 116824609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * <p>The arc is drawn clockwise. An angle of 0 degrees correspond to the 116924609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * geometric angle of 0 degrees (3 o'clock on a watch.)</p> 117024609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * 117124609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * @param startAngle Starting angle (in degrees) where the arc begins 117224609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * @param sweepAngle Sweep angle (in degrees) measured clockwise 117324609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * @param useCenter If true, include the center of the oval in the arc, and 117424609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese close it if it is being stroked. This will draw a wedge 117524609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese * @param paint The paint used to draw the arc 117624609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese */ 117724609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese public void drawArc(float left, float top, float right, float bottom, float startAngle, 117824609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese float sweepAngle, boolean useCenter, @NonNull Paint paint) { 117924609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese native_drawArc(mNativeCanvasWrapper, left, top, right, bottom, startAngle, sweepAngle, 1180f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy useCenter, paint.mNativePaint); 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified round-rect using the specified paint. The roundrect 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangular bounds of the roundRect to be drawn 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rx The x-radius of the oval used to round the corners 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ry The y-radius of the oval used to round the corners 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the roundRect 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1192ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawRoundRect(@NonNull RectF rect, float rx, float ry, @NonNull Paint paint) { 11934d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik drawRoundRect(rect.left, rect.top, rect.right, rect.bottom, rx, ry, paint); 11944d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik } 11954d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik 11964d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik /** 11974d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * Draw the specified round-rect using the specified paint. The roundrect 11984d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * will be filled or framed based on the Style in the paint. 11994d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * 12004d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * @param rx The x-radius of the oval used to round the corners 12014d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * @param ry The y-radius of the oval used to round the corners 12024d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik * @param paint The paint used to draw the roundRect 12034d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik */ 12044d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik public void drawRoundRect(float left, float top, float right, float bottom, float rx, float ry, 1205ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 12065c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawRoundRect(mNativeCanvasWrapper, left, top, right, bottom, rx, ry, paint.mNativePaint); 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified path using the specified paint. The path will be 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to be drawn 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the path 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1216ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPath(@NonNull Path path, @NonNull Paint paint) { 12175c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawPath(mNativeCanvasWrapper, path.ni(), paint.mNativePaint); 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12191abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik 12201abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik /** 12211abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik * @hide 12221abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik */ 12231abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik protected static void throwIfCannotDraw(Bitmap bitmap) { 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bitmap.isRecycled()) { 1225f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy throw new RuntimeException("Canvas: trying to use a recycled bitmap " + bitmap); 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12271abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik if (!bitmap.isPremultiplied() && bitmap.getConfig() == Bitmap.Config.ARGB_8888 && 12281abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik bitmap.hasAlpha()) { 12291abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik throw new RuntimeException("Canvas: trying to use a non-premultiplied bitmap " 12301abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik + bitmap); 12311abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1235deba785f122a47915756ffd991f5540d952cf937Romain Guy * Draws the specified bitmap as an N-patch (most often, a 9-patches.) 1236deba785f122a47915756ffd991f5540d952cf937Romain Guy * 12373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * @param patch The ninepatch object to render 1238deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param dst The destination rectangle. 1239deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param paint The paint to draw the bitmap with. may be null 1240051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 1241deba785f122a47915756ffd991f5540d952cf937Romain Guy * @hide 1242deba785f122a47915756ffd991f5540d952cf937Romain Guy */ 1243ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPatch(@NonNull NinePatch patch, @NonNull Rect dst, @Nullable Paint paint) { 1244f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy patch.drawSoftware(this, dst, paint); 1245f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy } 1246f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy 1247f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy /** 1248f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * Draws the specified bitmap as an N-patch (most often, a 9-patches.) 1249f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * 1250f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * @param patch The ninepatch object to render 1251f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * @param dst The destination rectangle. 1252f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * @param paint The paint to draw the bitmap with. may be null 1253f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * 1254f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy * @hide 1255f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy */ 1256ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPatch(@NonNull NinePatch patch, @NonNull RectF dst, @Nullable Paint paint) { 1257f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy patch.drawSoftware(this, dst, paint); 1258f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy } 1259f3187b7df158d2de36955ddcc666ba4b8544a2ceRomain Guy 1260deba785f122a47915756ffd991f5540d952cf937Romain Guy /** 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, with its top/left corner at (x,y), using 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint, transformed by the current matrix. 1263051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 126411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 127011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>If the bitmap and canvas have different densities, this function 127111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * will take care of automatically scaling the bitmap to draw at the 127211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * same density as the canvas. 1273051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The position of the left side of the bitmap being drawn 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The position of the top side of the bitmap being drawn 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the bitmap (may be null) 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1279ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull Bitmap bitmap, float left, float top, @Nullable Paint paint) { 12801abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik throwIfCannotDraw(bitmap); 12815c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawBitmap(mNativeCanvasWrapper, bitmap.ni(), left, top, 1282f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy paint != null ? paint.mNativePaint : 0, mDensity, mScreenDensity, bitmap.mDensity); 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 1289051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 129011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 129611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 129711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 129811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 129911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 1300051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1307ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull RectF dst, 1308ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Nullable Paint paint) { 13098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (dst == null) { 13108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger throw new NullPointerException(); 13118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 13128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger throwIfCannotDraw(bitmap); 13138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger final long nativePaint = paint == null ? 0 : paint.mNativePaint; 13148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 13158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float left, top, right, bottom; 13168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (src == null) { 13178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger left = top = 0; 13188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger right = bitmap.getWidth(); 13198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bottom = bitmap.getHeight(); 13208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 13218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger left = src.left; 13228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger right = src.right; 13238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger top = src.top; 13248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bottom = src.bottom; 13258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 13268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 13278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger native_drawBitmap(mNativeCanvasWrapper, bitmap.ni(), left, top, right, bottom, 13288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger dst.left, dst.top, dst.right, dst.bottom, nativePaint, mScreenDensity, 13298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bitmap.mDensity); 13308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 1336051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 133711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 134311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 134411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 134511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 134611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 1347051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1354ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull Rect dst, 1355ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Nullable Paint paint) { 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst == null) { 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13591abf5d62429e5a9329520b2f7c2b5a5e7a8e72ecChris Craik throwIfCannotDraw(bitmap); 13608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger final long nativePaint = paint == null ? 0 : paint.mNativePaint; 13618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 13628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int left, top, right, bottom; 13638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (src == null) { 13648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger left = top = 0; 13658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger right = bitmap.getWidth(); 13668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bottom = bitmap.getHeight(); 13678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 13688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger left = src.left; 13698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger right = src.right; 13708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger top = src.top; 13718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bottom = src.bottom; 13728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 13738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 13748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger native_drawBitmap(mNativeCanvasWrapper, bitmap.ni(), left, top, right, bottom, 13758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger dst.left, dst.top, dst.right, dst.bottom, nativePaint, mScreenDensity, 13768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bitmap.mDensity); 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1378051910b9f998030dacb8a0722588cc715813fde1Raph Levien 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Treat the specified array of colors as a bitmap, and draw it. This gives 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the same result as first creating a bitmap from the array, and then 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing it, but this method avoids explicitly creating a bitmap object 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which can be more efficient if the colors are changing often. 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors Array of colors representing the pixels of the bitmap 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Offset into the array of colors for the first pixel 138783d522290e56f614d0d9373d47c2b54b9e207795Brad Fitzpatrick * @param stride The number of colors in the array between rows (must be 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * >= width or <= -width). 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The X coordinate for where to draw the bitmap 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The Y coordinate for where to draw the bitmap 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hasAlpha True if the alpha channel of the colors contains valid 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. If false, the alpha byte is ignored (assumed to 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be 0xFF for every pixel). 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 1397cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * 1398cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * @deprecated Usage with a {@link #isHardwareAccelerated() hardware accelerated} canvas 1399cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * requires an internal copy of color buffer contents every time this method is called. Using a 1400cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * Bitmap avoids this copy, and allows the application to more explicitly control the lifetime 1401cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * and copies of pixel data. 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1403cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik @Deprecated 1404ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull int[] colors, int offset, int stride, float x, float y, 1405ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese int width, int height, boolean hasAlpha, @Nullable Paint paint) { 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check for valid input 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < 0) { 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be >= 0"); 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height < 0) { 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be >= 0"); 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = colors.length; 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) || lastScanline < 0 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (lastScanline + width > length)) { 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // quick escape if there's nothing to draw 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // punch down to native for the actual draw 14275c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawBitmap(mNativeCanvasWrapper, colors, offset, stride, x, y, width, height, hasAlpha, 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1430cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik 1431cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik /** 1432cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * Legacy version of drawBitmap(int[] colors, ...) that took ints for x,y 1433cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * 1434cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * @deprecated Usage with a {@link #isHardwareAccelerated() hardware accelerated} canvas 1435cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * requires an internal copy of color buffer contents every time this method is called. Using a 1436cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * Bitmap avoids this copy, and allows the application to more explicitly control the lifetime 1437cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik * and copies of pixel data. 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1439cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik @Deprecated 1440ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull int[] colors, int offset, int stride, int x, int y, 1441ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese int width, int height, boolean hasAlpha, @Nullable Paint paint) { 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // call through to the common float version 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawBitmap(colors, offset, stride, (float)x, (float)y, width, height, 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hasAlpha, paint); 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1446cd23df6a08cf7a9bdee11e703f40bca5904d779dChris Craik 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap using the specified matrix. 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix used to transform the bitmap when it is drawn 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1454ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmap(@NonNull Bitmap bitmap, @NonNull Matrix matrix, @Nullable Paint paint) { 14555c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita nativeDrawBitmapMatrix(mNativeCanvasWrapper, bitmap.ni(), matrix.ni(), 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy /** 14605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy * @hide 14615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy */ 14625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy protected static void checkRange(int length, int offset, int count) { 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((offset | count) < 0 || offset + count > length) { 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1467051910b9f998030dacb8a0722588cc715813fde1Raph Levien 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap through the mesh, where mesh vertices are evenly 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed across the bitmap. There are meshWidth+1 vertices across, and 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * meshHeight+1 vertices down. The verts array is accessed in row-major 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * order, so that the first meshWidth+1 vertices are distributed across the 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * top of the bitmap from left to right. A more general version of this 14745d11676414b3606792e23c269cf75b44faa1a2afChris Craik * method is drawVertices(). 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw using the mesh 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshWidth The number of columns in the mesh. Nothing is drawn if 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshHeight The number of rows in the mesh. Nothing is drawn if 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of x,y pairs, specifying where the mesh should be 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawn. There must be at least 14835d11676414b3606792e23c269cf75b44faa1a2afChris Craik * (meshWidth+1) * (meshHeight+1) * 2 + vertOffset values 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the array 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of verts elements to skip before drawing 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. Specifies a color at each vertex, which is 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interpolated across the cell, and whose values are 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiplied by the corresponding bitmap colors. If not null, 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there must be at least (meshWidth+1) * (meshHeight+1) + 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colorOffset values in the array. 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of color elements to skip before drawing 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1494ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawBitmapMesh(@NonNull Bitmap bitmap, int meshWidth, int meshHeight, 1495ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull float[] verts, int vertOffset, @Nullable int[] colors, int colorOffset, 1496ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @Nullable Paint paint) { 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((meshWidth | meshHeight | vertOffset | colorOffset) < 0) { 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meshWidth == 0 || meshHeight == 0) { 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = (meshWidth + 1) * (meshHeight + 1); 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we mul by 2 since we need two floats per vertex 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, count * 2); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no mul by 2, since we need only 1 color per vertex 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(colors.length, colorOffset, count); 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15105c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita nativeDrawBitmapMesh(mNativeCanvasWrapper, bitmap.ni(), meshWidth, meshHeight, 1511f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy verts, vertOffset, colors, colorOffset, 1512f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy paint != null ? paint.mNativePaint : 0); 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1514f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum VertexMode { 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLES(0), 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_STRIP(1), 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_FAN(2); 1519051910b9f998030dacb8a0722588cc715813fde1Raph Levien 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VertexMode(int nativeInt) { 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1523a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy 1524a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy /** 1525a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy * @hide 1526a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy */ 1527a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy public final int nativeInt; 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529051910b9f998030dacb8a0722588cc715813fde1Raph Levien 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the array of vertices, interpreted as triangles (based on mode). The 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * verts array is required, and specifies the x,y pairs for each vertex. If 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * texs is non-null, then it is used to specify the coordinate in shader 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinates to use at each vertex (the paint must have a shader in this 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * case). If there is no texs array, but there is a color array, then each 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color is interpolated across its corresponding triangle in a gradient. If 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * both texs and colors arrays are present, then they behave as before, but 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the resulting color at each pixels is the result of multiplying the 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colors from the shader and the color-gradient together. The indices array 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is optional, but if it is present, then it is used to specify the index 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of each triangle, rather than just walking through the arrays in order. 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to interpret the array of vertices 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertexCount The number of values in the vertices array (and 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * corresponding texs and colors arrays if non-null). Each logical 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex is two values (x, y), vertexCount must be a multiple of 2. 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of vertices for the mesh 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of values in the verts to skip before drawing. 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texs May be null. If not null, specifies the coordinates to sample 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into the current shader (e.g. bitmap tile or gradient) 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texOffset Number of values in texs to skip before drawing. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. If not null, specifies a color for each 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex, to be interpolated across the triangle. 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of values in colors to skip before drawing. 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indices If not null, array of indices to reference into the 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex (texs, colors) array. 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indexCount number of entries in the indices array (if not null). 1558051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @param paint Specifies the shader to use if the texs array is non-null. 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1560ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawVertices(@NonNull VertexMode mode, int vertexCount, @NonNull float[] verts, 1561ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese int vertOffset, @Nullable float[] texs, int texOffset, @Nullable int[] colors, 1562ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese int colorOffset, @Nullable short[] indices, int indexOffset, int indexCount, 1563ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, vertexCount); 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (texs != null) { 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(texs.length, texOffset, vertexCount); 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 156992ce5734b52ef014c80cc6335112a027188b3eb6Erik Faye-Lund checkRange(colors.length, colorOffset, vertexCount / 2); 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (indices != null) { 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(indices.length, indexOffset, indexCount); 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15745c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita nativeDrawVertices(mNativeCanvasWrapper, mode.nativeInt, vertexCount, verts, 1575f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy vertOffset, texs, texOffset, colors, colorOffset, 1576f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy indices, indexOffset, indexCount, paint.mNativePaint); 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 157836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1588ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawText(@NonNull char[] text, int index, int count, float x, float y, 1589ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((index | count | (index + count) | 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (text.length - index - count)) < 0) { 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15945c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawText(mNativeCanvasWrapper, text, index, count, x, y, paint.mBidiFlags, 1595a033630e805c407080221e20b236b6054f324670Raph Levien paint.mNativePaint, paint.mNativeTypeface); 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1607ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawText(@NonNull String text, float x, float y, @NonNull Paint paint) { 16085c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawText(mNativeCanvasWrapper, text, 0, text.length(), x, y, paint.mBidiFlags, 1609a033630e805c407080221e20b236b6054f324670Raph Levien paint.mNativePaint, paint.mNativeTypeface); 1610f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The origin is interpreted based on the Align setting in the paint. 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text to draw 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1623ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawText(@NonNull String text, int start, int end, float x, float y, 1624ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((start | end | (end - start) | (text.length() - end)) < 0) { 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16285c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawText(mNativeCanvasWrapper, text, start, end, x, y, paint.mBidiFlags, 1629a033630e805c407080221e20b236b6054f324670Raph Levien paint.mNativePaint, paint.mNativeTypeface); 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified range of text, specified by start/end, with its 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin at (x,y), in the specified Paint. The origin is interpreted 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * based on the Align setting in the Paint. 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to draw 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of origin for where to draw the text 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of origin for where to draw the text 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1645ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawText(@NonNull CharSequence text, int start, int end, float x, float y, 1646ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof String || text instanceof SpannedString || 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text instanceof SpannableString) { 16495c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawText(mNativeCanvasWrapper, text.toString(), start, end, x, y, 1650a033630e805c407080221e20b236b6054f324670Raph Levien paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface); 1651f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((GraphicsOperations) text).drawText(this, start, end, x, y, 1653f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy paint); 1654f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 1655f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt char[] buf = TemporaryBuffer.obtain(end - start); 1656f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.getChars(text, start, end, buf, 0); 16575c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawText(mNativeCanvasWrapper, buf, 0, end - start, x, y, 1658a033630e805c407080221e20b236b6054f324670Raph Levien paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface); 1659f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TemporaryBuffer.recycle(buf); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1661f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1662f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1663f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1664f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1665f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1666f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1667f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 1668051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 1669f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 16700c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param index the start of the text to render 16710c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param count the count of chars to render 16720c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextIndex the start of the context for shaping. Must be 16730c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * no greater than index. 16740c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextCount the number of characters in the context for shaping. 16750c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * ContexIndex + contextCount must be no less than index 16760c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * + count. 1677f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1678f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 1679051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @param isRtl whether the run is in RTL direction 1680f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1681f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1682f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 1683ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawTextRun(@NonNull char[] text, int index, int count, int contextIndex, 1684051910b9f998030dacb8a0722588cc715813fde1Raph Levien int contextCount, float x, float y, boolean isRtl, @NonNull Paint paint) { 1685f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1686f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1687f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1688f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1689f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1690f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1691f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 16920c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if ((index | count | text.length - index - count) < 0) { 1693f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1694f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1695f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 16965c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawTextRun(mNativeCanvasWrapper, text, index, count, 1697051910b9f998030dacb8a0722588cc715813fde1Raph Levien contextIndex, contextCount, x, y, isRtl, paint.mNativePaint, paint.mNativeTypeface); 1698f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1699f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1700f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1701f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1702f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1703f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1704f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 17050c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * 1706f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 1707f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param start the start of the text to render. Data before this position 1708f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * can be used for shaping context. 1709f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param end the end of the text to render. Data at or after this 1710f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * position can be used for shaping context. 1711f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1712f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 1713051910b9f998030dacb8a0722588cc715813fde1Raph Levien * @param isRtl whether the run is in RTL direction 1714f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1715f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1716f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 1717ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawTextRun(@NonNull CharSequence text, int start, int end, int contextStart, 1718051910b9f998030dacb8a0722588cc715813fde1Raph Levien int contextEnd, float x, float y, boolean isRtl, @NonNull Paint paint) { 1719f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1720f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1721f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1722f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1723f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1724f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1725f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1726f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if ((start | end | end - start | text.length() - end) < 0) { 1727f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1728f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1729f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1730f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text instanceof String || text instanceof SpannedString || 1731f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt text instanceof SpannableString) { 17325c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawTextRun(mNativeCanvasWrapper, text.toString(), start, end, 1733051910b9f998030dacb8a0722588cc715813fde1Raph Levien contextStart, contextEnd, x, y, isRtl, paint.mNativePaint, paint.mNativeTypeface); 1734f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 17350c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ((GraphicsOperations) text).drawTextRun(this, start, end, 1736051910b9f998030dacb8a0722588cc715813fde1Raph Levien contextStart, contextEnd, x, y, isRtl, paint); 1737f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 17380c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 17390c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 17400c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TemporaryBuffer.obtain(contextLen); 17410c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 17425c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawTextRun(mNativeCanvasWrapper, buf, start - contextStart, len, 1743051910b9f998030dacb8a0722588cc715813fde1Raph Levien 0, contextLen, x, y, isRtl, paint.mNativePaint, paint.mNativeTypeface); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TemporaryBuffer.recycle(buf); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 1751051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 175262b6eaa7f3a8111311a7ee097f278eb55865a499Romain Guy * This method does not support glyph composition and decomposition and 17533f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien * should therefore not be used to render complex scripts. It also doesn't 17543f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien * handle supplementary characters (eg emoji). 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index The index of the first character to draw 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of characters to draw, starting from index. 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * character 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1763f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy @Deprecated 1764ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPosText(@NonNull char[] text, int index, int count, @NonNull float[] pos, 1765ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese @NonNull Paint paint) { 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length || count*2 > pos.length) { 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17693f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien for (int i = 0; i < count; i++) { 17703f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien drawText(text, index + i, 1, pos[i * 2], pos[i * 2 + 1], paint); 17713f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien } 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 1777051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 177862b6eaa7f3a8111311a7ee097f278eb55865a499Romain Guy * This method does not support glyph composition and decomposition and 17793f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien * should therefore not be used to render complex scripts. It also doesn't 17803f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien * handle supplementary characters (eg emoji). 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each character 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1786f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy @Deprecated 1787ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPosText(@NonNull String text, @NonNull float[] pos, @NonNull Paint paint) { 17883f0d6167227d6d2cdd85f7718d92db859b443e92Raph Levien drawPosText(text.toCharArray(), 0, text.length(), pos, paint); 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1804ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawTextOnPath(@NonNull char[] text, int index, int count, @NonNull Path path, 1805ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese float hOffset, float vOffset, @NonNull Paint paint) { 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length) { 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18095c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawTextOnPath(mNativeCanvasWrapper, text, index, count, 1810f296dca95f09be9832b5dcc79717986525d2b6cbRomain Guy path.ni(), hOffset, vOffset, 18119d2b5e1930bfc4b1da1c865843c247c708ea1565Raph Levien paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface); 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1827ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawTextOnPath(@NonNull String text, @NonNull Path path, float hOffset, 1828ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese float vOffset, @NonNull Paint paint) { 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text.length() > 0) { 18305c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita native_drawTextOnPath(mNativeCanvasWrapper, text, path.ni(), hOffset, vOffset, 18319d2b5e1930bfc4b1da1c865843c247c708ea1565Raph Levien paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface); 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Save the canvas state, draw the picture, and restore the canvas state. 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This differs from picture.draw(canvas), which does not perform any 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save/restore. 1839cdac497289fd2c39a352f6167dae3f77cc608cb8Derek Sollenberger * 1840cdac497289fd2c39a352f6167dae3f77cc608cb8Derek Sollenberger * <p> 1841cdac497289fd2c39a352f6167dae3f77cc608cb8Derek Sollenberger * <strong>Note:</strong> This forces the picture to internally call 1842cdac497289fd2c39a352f6167dae3f77cc608cb8Derek Sollenberger * {@link Picture#endRecording} in order to prepare for playback. 1843051910b9f998030dacb8a0722588cc715813fde1Raph Levien * 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param picture The picture to be drawn 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1846ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPicture(@NonNull Picture picture) { 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project picture.endRecording(); 1848667fe1039feae068d3333de8fb7115313f4a517bJonathan Dixon int restoreCount = save(); 1849667fe1039feae068d3333de8fb7115313f4a517bJonathan Dixon picture.draw(this); 1850667fe1039feae068d3333de8fb7115313f4a517bJonathan Dixon restoreToCount(restoreCount); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1852051910b9f998030dacb8a0722588cc715813fde1Raph Levien 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1856ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPicture(@NonNull Picture picture, @NonNull RectF dst) { 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1860f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1865051910b9f998030dacb8a0722588cc715813fde1Raph Levien 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1869ff7215aa0cb28a4815126b056f34b2bd29e5c651Antonio Calabrese public void drawPicture(@NonNull Picture picture, @NonNull Rect dst) { 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1873f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy scale((float) dst.width() / picture.getWidth(), 1874f9d9c065ed75f1196316a9a31f92309f602cef76Romain Guy (float) dst.height() / picture.getHeight()); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1880da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy /** 1881ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov * Releases the resources associated with this canvas. 1882ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov * 1883ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov * @hide 1884ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov */ 1885ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov public void release() { 1886ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov mFinalizer.dispose(); 1887ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov } 1888ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov 1889ff4adde5737be08d3e2d03fbe588c591d27d4a74Svetoslav Ganov /** 1890163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Free up as much memory as possible from private caches (e.g. fonts, images) 1891caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed * 1892163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 1893caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed */ 1894caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed public static native void freeCaches(); 1895caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed 189630ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio /** 189730ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio * Free up text layout caches 189830ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio * 189930ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio * @hide 190030ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio */ 190130ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio public static native void freeTextLayoutCaches(); 190230ca5cd11a23f06f2f8eeaa587685450826f800fFabrice Di Meglio 190336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native long initRaster(long nativeBitmapOrZero); 19045c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita private static native void native_setBitmap(long canvasHandle, 19055c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita long bitmapHandle, 19065c3d927e17e98e8fd4a9f3c86f7f4def0bcfa816Florin Malita boolean copyState); 190795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native boolean native_isOpaque(long canvasHandle); 190895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native int native_getWidth(long canvasHandle); 190995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native int native_getHeight(long canvasHandle); 191095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita 191195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native int native_save(long canvasHandle, int saveFlags); 191236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int native_saveLayer(long nativeCanvas, float l, 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 191436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint, 191536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat int layerFlags); 191636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native int native_saveLayerAlpha(long nativeCanvas, float l, 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alpha, int layerFlags); 191995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_restore(long canvasHandle); 192095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_restoreToCount(long canvasHandle, 192195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita int saveCount); 192295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native int native_getSaveCount(long canvasHandle); 192395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita 192495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_translate(long canvasHandle, 192595d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita float dx, float dy); 192695d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_scale(long canvasHandle, 192795d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita float sx, float sy); 192895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_rotate(long canvasHandle, float degrees); 192995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_skew(long canvasHandle, 193095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita float sx, float sy); 193136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_concat(long nativeCanvas, 193236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeMatrix); 193336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_setMatrix(long nativeCanvas, 193436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeMatrix); 193536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_clipRect(long nativeCanvas, 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 193936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_clipPath(long nativeCanvas, 194036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePath, 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 194236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_clipRegion(long nativeCanvas, 194336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeRegion, 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 194536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeSetDrawFilter(long nativeCanvas, 194636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeFilter); 194736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_getClipBounds(long nativeCanvas, 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect bounds); 194936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_getCTM(long nativeCanvas, 195036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeMatrix); 195136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_quickReject(long nativeCanvas, 195236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePath); 195336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native boolean native_quickReject(long nativeCanvas, 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 1955ca79cf69d09efa0c327e9b1237d86a119aea5da7Derek Sollenberger float right, float bottom); 195636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawColor(long nativeCanvas, int color, 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mode); 195836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawPaint(long nativeCanvas, 195936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 196095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_drawPoint(long canvasHandle, float x, float y, 196195d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita long paintHandle); 196295d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_drawPoints(long canvasHandle, float[] pts, 196395d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita int offset, int count, 196495d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita long paintHandle); 196536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawLine(long nativeCanvas, float startX, 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startY, float stopX, 196736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float stopY, long nativePaint); 196895d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita private static native void native_drawLines(long canvasHandle, float[] pts, 196995d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita int offset, int count, 197095d49149cc7fff87a18449fa661454c1b5ddbd30Florin Malita long paintHandle); 197136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawRect(long nativeCanvas, float left, 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float top, float right, 197336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float bottom, 197436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 197524609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese private static native void native_drawOval(long nativeCanvas, float left, float top, 197624609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese float right, float bottom, long nativePaint); 197736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawCircle(long nativeCanvas, float cx, 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float cy, float radius, 197936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 198024609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese private static native void native_drawArc(long nativeCanvas, float left, float top, 198124609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese float right, float bottom, 198224609581330bc350f797179e3c1a59789c645ec2Antonio Calabrese float startAngle, float sweep, boolean useCenter, 198336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 198436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawRoundRect(long nativeCanvas, 19854d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik float left, float top, float right, float bottom, 19864d1c1538e2422d0a5b19ad1cd2fb353ed6279a88Chris Craik float rx, float ry, long nativePaint); 198736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawPath(long nativeCanvas, 198836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePath, 198936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 199036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private native void native_drawBitmap(long nativeCanvas, long nativeBitmap, 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 199236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaintOrZero, 19930d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int canvasDensity, 19940d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 19950d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 199636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private native void native_drawBitmap(long nativeCanvas, long nativeBitmap, 19978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcLeft, float srcTop, float srcRight, float srcBottom, 19988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, 19998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger long nativePaintOrZero, int screenDensity, int bitmapDensity); 200036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawBitmap(long nativeCanvas, int[] colors, 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offset, int stride, float x, 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, int width, int height, 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasAlpha, 200436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaintOrZero); 200536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeDrawBitmapMatrix(long nativeCanvas, 200636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeBitmap, 200736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeMatrix, 200836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 200936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeDrawBitmapMesh(long nativeCanvas, 201036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeBitmap, 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int meshWidth, int meshHeight, 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 201336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat int[] colors, int colorOffset, 201436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativePaint); 201536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void nativeDrawVertices(long nativeCanvas, int mode, int n, 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, float[] texs, int texOffset, 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, short[] indices, 201836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat int indexOffset, int indexCount, long nativePaint); 201936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 202036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawText(long nativeCanvas, char[] text, 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index, int count, float x, 202236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float y, int flags, long nativePaint, 202336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeTypeface); 202436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawText(long nativeCanvas, String text, 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start, int end, float x, 202636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float y, int flags, long nativePaint, 202736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat long nativeTypeface); 2028fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 202936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawTextRun(long nativeCanvas, String text, 20300c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int end, int contextStart, int contextEnd, 2031051910b9f998030dacb8a0722588cc715813fde1Raph Levien float x, float y, boolean isRtl, long nativePaint, long nativeTypeface); 2032f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 203336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawTextRun(long nativeCanvas, char[] text, 20340c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int count, int contextStart, int contextCount, 2035051910b9f998030dacb8a0722588cc715813fde1Raph Levien float x, float y, boolean isRtl, long nativePaint, long nativeTypeface); 2036f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 203736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawTextOnPath(long nativeCanvas, 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] text, int index, 203936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat int count, long nativePath, 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float hOffset, 2041da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio float vOffset, int bidiFlags, 20429d2b5e1930bfc4b1da1c865843c247c708ea1565Raph Levien long nativePaint, long nativeTypeface); 204336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void native_drawTextOnPath(long nativeCanvas, 204436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat String text, long nativePath, 204536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float hOffset, 204636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat float vOffset, 20479d2b5e1930bfc4b1da1c865843c247c708ea1565Raph Levien int flags, long nativePaint, long nativeTypeface); 204836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat private static native void finalizer(long nativeCanvas); 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2050