Canvas.java revision f61970fc79e9c5cf340fa942597628242361864a
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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.GraphicsOperations; 20f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.SpannableString; 21f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.SpannedString; 22f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Feltimport android.text.TextUtils; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.opengles.GL; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Canvas class holds the "draw" calls. To draw something, you need 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4 basic components: A Bitmap to hold the pixels, a Canvas to host 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Path, text, Bitmap), and a paint (to describe the colors and styles for the 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing). 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Canvas { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // assigned in constructors, freed in finalizer 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int mNativeCanvas; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Our native canvas can be either a raster, gl, or picture canvas. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project If we are raster, then mGL will be null, and mBitmap may or may not be 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project present (our default constructor creates a raster canvas but no 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project java-bitmap is). If we are a gl-based, then mBitmap will be null, and 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGL will not be null. Thus both cannot be non-null, but its possible 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for both to be null. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Bitmap mBitmap; // if not null, mGL must be null 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // optional field set by the caller 47ce0537b80087a6225273040a987414b1dd081aa0Romain Guy private DrawFilter mDrawFilter; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 50ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * @hide 51ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 52ce0537b80087a6225273040a987414b1dd081aa0Romain Guy protected int mDensity = Bitmap.DENSITY_NONE; 530d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn 54ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 55ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Used to determine when compatibility scaling is in effect. 56ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * 57ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * @hide 58ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 59ce0537b80087a6225273040a987414b1dd081aa0Romain Guy protected int mScreenDensity = Bitmap.DENSITY_NONE; 6011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used by native code 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings({"UnusedDeclaration"}) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSurfaceFormat; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 66f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Flag for drawTextRun indicating left-to-right run direction. 67f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 68f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 69f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public static final int DIRECTION_LTR = 0; 70f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 71f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 72f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Flag for drawTextRun indicating right-to-left run direction. 73f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 74f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 75f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public static final int DIRECTION_RTL = 1; 76f61970fc79e9c5cf340fa942597628242361864aRomain Guy 77f61970fc79e9c5cf340fa942597628242361864aRomain Guy // Maximum bitmap size as defined in Skia's native code 78f61970fc79e9c5cf340fa942597628242361864aRomain Guy // (see SkCanvas.cpp, SkDraw.cpp) 79f61970fc79e9c5cf340fa942597628242361864aRomain Guy private static final int MAXMIMUM_BITMAP_SIZE = 32766; 80f61970fc79e9c5cf340fa942597628242361864aRomain Guy 814a317db43d2bbc992284dd1f651751f13734d017Romain Guy // This field is used to finalize the native Canvas properly 824a317db43d2bbc992284dd1f651751f13734d017Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 83e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private final CanvasFinalizer mFinalizer; 84e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 85e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private static class CanvasFinalizer { 86e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private final int mNativeCanvas; 87e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 88e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy public CanvasFinalizer(int nativeCanvas) { 89e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mNativeCanvas = nativeCanvas; 90e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 91e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 92e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy @Override 93e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy protected void finalize() throws Throwable { 943b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy try { 953b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy if (mNativeCanvas != 0) { 963b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy finalizer(mNativeCanvas); 973b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy } 983b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy } finally { 993b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy super.finalize(); 100e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 101e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 102e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 103e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 104f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct an empty raster canvas. Use setBitmap() to specify a bitmap to 10696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * draw into. The initial target density is {@link Bitmap#DENSITY_NONE}; 10796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * this will typically be replaced when a target bitmap is set for the 10896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * canvas. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Canvas() { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0 means no native bitmap 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = initRaster(0); 1132fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy mFinalizer = new CanvasFinalizer(mNativeCanvas); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct a canvas with the specified bitmap to draw into. The bitmap 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be mutable. 11996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 12096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The initial target density of the canvas is the same as the given 12196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * bitmap's density. 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Canvas(Bitmap bitmap) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bitmap.isMutable()) { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Immutable bitmap passed to Canvas constructor"); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = initRaster(bitmap.ni()); 132e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mFinalizer = new CanvasFinalizer(mNativeCanvas); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 13496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = bitmap.mDensity; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 137163935113919a184122b8b3bd672ef08c8df65dcRomain Guy Canvas(int nativeCanvas) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nativeCanvas == 0) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = nativeCanvas; 142e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mFinalizer = new CanvasFinalizer(nativeCanvas); 14396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = Bitmap.getDefaultDensity(); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 145163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 147163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Returns null. 14896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 149163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @deprecated This method is not supported and should not be invoked. 1503b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy * 1513b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy * @hide 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 153cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne @Deprecated 154163935113919a184122b8b3bd672ef08c8df65dcRomain Guy protected GL getGL() { 155163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return null; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1572d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy 1582d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy /** 1592d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Indicates whether this Canvas uses hardware acceleration. 1602d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 1612d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Note that this method does not define what type of hardware acceleration 1622d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * may or may not be used. 1632d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 1642d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * @return True if drawing operations are hardware accelerated, 1652d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * false otherwise. 1662d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy */ 1672d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy public boolean isHardwareAccelerated() { 168163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return false; 169caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed } 170163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * Specify a bitmap for the canvas to draw into. As a side-effect, also 17396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * updates the canvas's target density to match that of the bitmap. 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 17696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 17796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #setDensity(int) 17896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #getDensity() 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setBitmap(Bitmap bitmap) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bitmap.isMutable()) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 184163935113919a184122b8b3bd672ef08c8df65dcRomain Guy if (isHardwareAccelerated()) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Can't set a bitmap device on a GL canvas"); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setBitmap(mNativeCanvas, bitmap.ni()); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 19196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = bitmap.mDensity; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the viewport dimensions if this canvas is GL based. If it is not, 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method is ignored and no exception is thrown. 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 198163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param width The width of the viewport 199163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param height The height of the viewport 2002d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 201163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewport(int width, int height) { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the device that the current layer draws into is opaque 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. does not support per-pixel alpha). 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the device that the current layer draws into is opaque 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean isOpaque(); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the width of the current drawing layer 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the width of the current drawing layer 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getWidth(); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the height of the current drawing layer 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the height of the current drawing layer 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getHeight(); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Returns the target density of the canvas. The default density is 23096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * derived from the density of its backing bitmap, or 23196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} if there is not one.</p> 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @return Returns the current target density of the canvas, which is used 23496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #setDensity(int) 23711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#getDensity() 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getDensity() { 24011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return mDensity; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Specifies the density for this Canvas' backing bitmap. This modifies 24596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * the target density of the canvas itself, as well as the density of its 24696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * backing bitmap via {@link Bitmap#setDensity(int) Bitmap.setDensity(int)}. 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @param density The new target density of the canvas, which is used 24996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. Use 25096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} to disable bitmap scaling. 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #getDensity() 25311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#setDensity(int) 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public void setDensity(int density) { 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBitmap != null) { 25711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mBitmap.setDensity(density); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mDensity = density; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2620d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn /** @hide */ 2630d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn public void setScreenDensity(int density) { 2640d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity = density; 2650d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn } 266f61970fc79e9c5cf340fa942597628242361864aRomain Guy 267f61970fc79e9c5cf340fa942597628242361864aRomain Guy /** 268f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Returns the maximum allowed width for bitmaps drawn with this canvas. 269f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Attempting to draw with a bitmap wider than this value will result 270f61970fc79e9c5cf340fa942597628242361864aRomain Guy * in an error. 271f61970fc79e9c5cf340fa942597628242361864aRomain Guy * 272f61970fc79e9c5cf340fa942597628242361864aRomain Guy * @see #getMaximumBitmapHeight() 273f61970fc79e9c5cf340fa942597628242361864aRomain Guy */ 274f61970fc79e9c5cf340fa942597628242361864aRomain Guy public int getMaximumBitmapWidth() { 275f61970fc79e9c5cf340fa942597628242361864aRomain Guy return MAXMIMUM_BITMAP_SIZE; 276f61970fc79e9c5cf340fa942597628242361864aRomain Guy } 2770d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn 278f61970fc79e9c5cf340fa942597628242361864aRomain Guy /** 279f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Returns the maximum allowed height for bitmaps drawn with this canvas. 280f61970fc79e9c5cf340fa942597628242361864aRomain Guy * Attempting to draw with a bitmap taller than this value will result 281f61970fc79e9c5cf340fa942597628242361864aRomain Guy * in an error. 282f61970fc79e9c5cf340fa942597628242361864aRomain Guy * 283f61970fc79e9c5cf340fa942597628242361864aRomain Guy * @see #getMaximumBitmapWidth() 284f61970fc79e9c5cf340fa942597628242361864aRomain Guy */ 285f61970fc79e9c5cf340fa942597628242361864aRomain Guy public int getMaximumBitmapHeight() { 286f61970fc79e9c5cf340fa942597628242361864aRomain Guy return MAXMIMUM_BITMAP_SIZE; 287f61970fc79e9c5cf340fa942597628242361864aRomain Guy } 288f61970fc79e9c5cf340fa942597628242361864aRomain Guy 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the SAVE_FLAG constants must match their native equivalents 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current matrix when restore() is called */ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MATRIX_SAVE_FLAG = 0x01; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current clip when restore() is called */ 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_SAVE_FLAG = 0x02; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to per-pixel alpha */ 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int HAS_ALPHA_LAYER_SAVE_FLAG = 0x04; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to 8-bits per color component */ 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FULL_COLOR_LAYER_SAVE_FLAG = 0x08; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** clip against the layer's bounds */ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_TO_LAYER_SAVE_FLAG = 0x10; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore everything when restore() is called */ 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ALL_SAVE_FLAG = 0x1F; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Saves the current matrix and clip onto a private stack. Subsequent 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calls to translate,scale,rotate,skew,concat or clipRect,clipPath 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will all operate as usual, but when the balancing call to restore() 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is made, those calls will be forgotten, and the settings that existed 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before the save() will be reinstated. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int save(); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Based on saveFlags, can save the current matrix and clip onto a private 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * stack. Subsequent calls to translate,scale,rotate,skew,concat or 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect,clipPath will all operate as usual, but when the balancing 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to restore() is made, those calls will be forgotten, and the 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * settings that existed before the save() will be reinstated. 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags flag bits that specify which parts of the Canvas state 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to save/restore 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int save(int saveFlags); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds May be null. The maximum size the offscreen bitmap 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be (in local coordinates) 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint This is copied, and is applied to the offscreen when 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * restore() is called. 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this save() 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayer(mNativeCanvas, bounds, 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0, 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveFlags); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper version of saveLayer() that takes 4 values rather than a RectF. 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayer(float left, float top, float right, float bottom, 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint, int saveFlags) { 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayer(mNativeCanvas, left, top, right, bottom, 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0, 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveFlags); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds The maximum size the offscreen bitmap needs to be 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (in local coordinates) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param alpha The alpha to apply to the offscreen when when it is 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawn during restore() 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this call 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha = Math.min(255, Math.max(0, alpha)); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayerAlpha(mNativeCanvas, bounds, alpha, saveFlags); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for saveLayerAlpha() that takes 4 values instead of a RectF. 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayerAlpha(float left, float top, float right, float bottom, 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alpha, int saveFlags) { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayerAlpha(mNativeCanvas, left, top, right, bottom, 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha, saveFlags); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This call balances a previous call to save(), and is used to remove all 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * modifications to the matrix/clip state since the last save call. It is 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an error to call restore() more times than save() was called. 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void restore(); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of matrix/clip states on the Canvas' private stack. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will equal # save() calls - # restore() calls. 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getSaveCount(); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Efficient way to pop any calls to save() that happened after the save 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * count reached saveCount. It is an error for saveCount to be less than 1. 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example: 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * int count = canvas.save(); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... // more calls potentially to save() 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * canvas.restoreToCount(count); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // now the canvas is back in the same state it was before the initial 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // call to save(). 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveCount The save level to restore to. 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void restoreToCount(int saveCount); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified translation 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The distance to translate in X 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The distance to translate in Y 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void translate(float dx, float dy); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void scale(float sx, float sy); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 439cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param px The x-coord for the pivot point (unchanged by the scale) 440cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param py The y-coord for the pivot point (unchanged by the scale) 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void scale(float sx, float sy, float px, float py) { 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale(sx, sy); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void rotate(float degrees); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param px The x-coord for the pivot point (unchanged by the rotation) 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param py The y-coord for the pivot point (unchanged by the rotation) 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void rotate(float degrees, float px, float py) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rotate(degrees); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified skew. 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to skew in X 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to skew in Y 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void skew(float sx, float sy); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified matrix. 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to preconcatenate with the current matrix 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void concat(Matrix matrix) { 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_concat(mNativeCanvas, matrix.native_instance); 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Completely replace the current matrix with the specified matrix. If the 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix parameter is null, then the current matrix is reset to identity. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to replace the current matrix with. If it is 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * null, set the current matrix to identity. 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMatrix(Matrix matrix) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setMatrix(mNativeCanvas, 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix == null ? 0 : matrix.native_instance); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return, in ctm, the current transformation matrix. This does not alter 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the matrix in the canvas, but just returns a copy of it. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getMatrix(Matrix ctm) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_getCTM(mNativeCanvas, ctm.native_instance); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50441030da16856c8869e1e51d4a0405432fa96614eRomain Guy 50541030da16856c8869e1e51d4a0405432fa96614eRomain Guy /** 50641030da16856c8869e1e51d4a0405432fa96614eRomain Guy * Returns a pointer to an internal 4x4 native matrix. The returned 50741030da16856c8869e1e51d4a0405432fa96614eRomain Guy * pointer is a pointer to an array of 16 floats. 50841030da16856c8869e1e51d4a0405432fa96614eRomain Guy * 50941030da16856c8869e1e51d4a0405432fa96614eRomain Guy * @hide 51041030da16856c8869e1e51d4a0405432fa96614eRomain Guy */ 5114a317db43d2bbc992284dd1f651751f13734d017Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 51241030da16856c8869e1e51d4a0405432fa96614eRomain Guy public int getNativeMatrix() { 51341030da16856c8869e1e51d4a0405432fa96614eRomain Guy return 0; 51441030da16856c8869e1e51d4a0405432fa96614eRomain Guy } 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new matrix with a copy of the canvas' current transformation 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix. 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Matrix getMatrix() { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix m = new Matrix(); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getMatrix(m); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return m; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle. 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to intersect with the current clip 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRect(RectF rect, Region.Op op) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.left, rect.top, rect.right, rect.bottom, 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRect(Rect rect, Region.Op op) { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.left, rect.top, rect.right, rect.bottom, 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(RectF rect); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(Rect rect); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRect(float left, float top, float right, float bottom, 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Region.Op op) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, left, top, right, bottom, 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(float left, float top, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(int left, int top, 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int right, int bottom); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified path. 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to operate on the current clip 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipPath(Path path, Region.Op op) { 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipPath(mNativeCanvas, path.ni(), op.nativeInt); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified path. 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to intersect with the current clip 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipPath(Path path) { 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipPath(path, Region.Op.INTERSECT); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified region. Note that unlike 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRegion(Region region, Region.Op op) { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRegion(mNativeCanvas, region.ni(), op.nativeInt); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified region. Note that unlike 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRegion(Region region) { 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipRegion(region, Region.Op.INTERSECT); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DrawFilter getDrawFilter() { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawFilter; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawFilter(DrawFilter filter) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeFilter = 0; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filter != null) { 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeFilter = filter.mNativeInt; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawFilter = filter; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeSetDrawFilter(mNativeCanvas, nativeFilter); 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum EdgeType { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BW(0), //!< treat edges by just rounding to nearest pixel boundary 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AA(1); //!< treat edges by rounding-out, since they may be antialiased 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EdgeType(int nativeInt) { 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 694c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 695c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy /** 696c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy * @hide 697c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy */ 698c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy public final int nativeInt; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect the rect to compare with the current clip 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type specifies how to treat the edges (BW or antialiased) 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(RectF rect, EdgeType type) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, rect, type.nativeInt); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified path, after being transformed by the 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). Note: for speed it may 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return false even if the path itself might not intersect the clip 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. the bounds of the path intersects, but the path does not). 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to compare with the current clip 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type true if the path should be considered antialiased, 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * since that means it may 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * affect a larger area (more pixels) than 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * non-antialiased. 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the path (transformed by the canvas' matrix) 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(Path path, EdgeType type) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, path.ni(), type.nativeInt); 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to compare with the 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to compare with the current 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to compare with the 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to compare with the 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type true if the rect should be considered antialiased, 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * since that means it may affect a larger area (more 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixels) than non-antialiased. 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(float left, float top, float right, float bottom, 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EdgeType type) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, left, top, right, bottom, 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type.nativeInt); 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the clip bounds, returning true if they are non-empty. 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds Return the clip bounds here. If it is null, ignore it but 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * still return true if the current clip is non-empty. 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the current clip is non-empty. 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getClipBounds(Rect bounds) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_getClipBounds(mNativeCanvas, bounds); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the clip bounds. 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the clip bounds, or [0, 0, 0, 0] if the clip is empty. 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Rect getClipBounds() { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect r = new Rect(); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getClipBounds(r); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified RGB color, using srcover porterduff mode. 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRGB(int r, int g, int b) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRGB(mNativeCanvas, r, g, b); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified ARGB color, using srcover porterduff mode. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a alpha component (0..255) of the color to draw onto the canvas 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawARGB(int a, int r, int g, int b) { 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawARGB(mNativeCanvas, a, r, g, b); 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color, using srcover porterduff mode. 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw onto the canvas 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawColor(int color) { 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawColor(mNativeCanvas, color); 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color and porter-duff xfermode. 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw with 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the porter-duff mode to apply to the color 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawColor(int color, PorterDuff.Mode mode) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawColor(mNativeCanvas, color, mode.nativeInt); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint. This is equivalent (but faster) to drawing an 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * infinitely large rectangle with the specified paint. 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw onto the canvas 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPaint(Paint paint) { 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPaint(mNativeCanvas, paint.mNativePaint); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of points. Each point is centered at the coordinate 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified by pts[], and its diameter is specified by the paint's stroke 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * width (as transformed by the canvas' CTM), with special treatment for 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a stroke width of 0, which always draws exactly 1 pixel (or at most 4 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if antialiasing is enabled). The shape of the point is controlled by 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the paint's Cap type. The shape is a square, unless the cap type is 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Round, in which case the shape is a circle. 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values to skip before starting to draw. 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values to process, after skipping offset 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of them. Since one point uses two values, the number of 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "points" that are drawn is really (count >> 1). 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawPoints(float[] pts, int offset, int count, 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() that assumes you want to draw the entire array 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPoints(float[] pts, Paint paint) { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPoints(pts, 0, pts.length, paint); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() for drawing a single point. 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawPoint(float x, float y, Paint paint); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a line segment with the specified start and stop x,y coordinates, 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * using the specified paint. NOTE: since a line is always "framed", the 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Style is ignored in the paint. 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startX The x-coordinate of the start point of the line 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startY The y-coordinate of the start point of the line 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the line 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawLine(float startX, float startY, float stopX, float stopY, 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawLine(mNativeCanvas, startX, startY, stopX, stopY, 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of lines. Each line is taken from 4 consecutive values 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the pts array. Thus to draw 1 line, the array must contain at least 4 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. This is logically the same as drawing the array as follows: 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[0], pts[1], pts[2], pts[3]) followed by 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[4], pts[5], pts[6], pts[7]) and so on. 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values in the array to skip before drawing. 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values in the array to process, after 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * skipping "offset" of them. Since each line uses 4 values, 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the number of "lines" that are drawn is really 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (count >> 2). 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawLines(float[] pts, int offset, int count, 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawLines(float[] pts, Paint paint) { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawLines(pts, 0, pts.length, paint); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to be drawn 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rect 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRect(RectF rect, Paint paint) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRect(mNativeCanvas, rect, paint.mNativePaint); 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified Paint. The rectangle 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r The rectangle to be drawn. 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rectangle 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRect(Rect r, Paint paint) { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawRect(r.left, r.top, r.right, r.bottom, paint); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to be drawn 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top side of the rectangle to be drawn 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to be drawn 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom side of the rectangle to be drawn 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rect 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRect(float left, float top, float right, float bottom, 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRect(mNativeCanvas, left, top, right, bottom, 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified oval using the specified paint. The oval will be 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The rectangle bounds of the oval to be drawn 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawOval(RectF oval, Paint paint) { 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawOval(mNativeCanvas, oval, paint.mNativePaint); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified circle using the specified paint. If radius is <= 0, 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then nothing will be drawn. The circle will be filled or framed based 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on the Style in the paint. 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cx The x-coordinate of the center of the cirle to be drawn 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cy The y-coordinate of the center of the cirle to be drawn 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param radius The radius of the cirle to be drawn 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the circle 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawCircle(float cx, float cy, float radius, Paint paint) { 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawCircle(mNativeCanvas, cx, cy, radius, 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9774a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>Draw the specified arc, which will be scaled to fit inside the 9784a317db43d2bbc992284dd1f651751f13734d017Romain Guy * specified oval.</p> 9794a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9804a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the start angle is negative or >= 360, the start angle is treated 9814a317db43d2bbc992284dd1f651751f13734d017Romain Guy * as start angle modulo 360.</p> 9824a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9834a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the sweep angle is >= 360, then the oval is drawn 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * completely. Note that this differs slightly from SkPath::arcTo, which 9854a317db43d2bbc992284dd1f651751f13734d017Romain Guy * treats the sweep angle modulo 360. If the sweep angle is negative, 9864a317db43d2bbc992284dd1f651751f13734d017Romain Guy * the sweep angle is treated as sweep angle modulo 360</p> 9874a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9884a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>The arc is drawn clockwise. An angle of 0 degrees correspond to the 9894a317db43d2bbc992284dd1f651751f13734d017Romain Guy * geometric angle of 0 degrees (3 o'clock on a watch.)</p> 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval used to define the shape and size 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the arc 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param useCenter If true, include the center of the oval in the arc, and 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close it if it is being stroked. This will draw a wedge 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the arc 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawArc(RectF oval, float startAngle, float sweepAngle, 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useCenter, Paint paint) { 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawArc(mNativeCanvas, oval, startAngle, sweepAngle, 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useCenter, paint.mNativePaint); 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified round-rect using the specified paint. The roundrect 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangular bounds of the roundRect to be drawn 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rx The x-radius of the oval used to round the corners 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ry The y-radius of the oval used to round the corners 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the roundRect 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rect == null) { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRoundRect(mNativeCanvas, rect, rx, ry, 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified path using the specified paint. The path will be 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to be drawn 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the path 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPath(Path path, Paint paint) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPath(mNativeCanvas, path.ni(), paint.mNativePaint); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void throwIfRecycled(Bitmap bitmap) { 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bitmap.isRecycled()) { 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Canvas: trying to use a recycled bitmap " + bitmap); 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1044deba785f122a47915756ffd991f5540d952cf937Romain Guy * Draws the specified bitmap as an N-patch (most often, a 9-patches.) 1045deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1046deba785f122a47915756ffd991f5540d952cf937Romain Guy * Note: Only supported by hardware accelerated canvas at the moment. 1047deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1048deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param bitmap The bitmap to draw as an N-patch 1049deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param chunks The patches information (matches the native struct Res_png_9patch) 1050deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param dst The destination rectangle. 1051deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param paint The paint to draw the bitmap with. may be null 1052deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1053deba785f122a47915756ffd991f5540d952cf937Romain Guy * @hide 1054deba785f122a47915756ffd991f5540d952cf937Romain Guy */ 1055deba785f122a47915756ffd991f5540d952cf937Romain Guy public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 1056deba785f122a47915756ffd991f5540d952cf937Romain Guy } 1057deba785f122a47915756ffd991f5540d952cf937Romain Guy 1058deba785f122a47915756ffd991f5540d952cf937Romain Guy /** 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, with its top/left corner at (x,y), using 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint, transformed by the current matrix. 106111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 106211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 106811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>If the bitmap and canvas have different densities, this function 106911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * will take care of automatically scaling the bitmap to draw at the 107011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * same density as the canvas. 107111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The position of the left side of the bitmap being drawn 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The position of the top side of the bitmap being drawn 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the bitmap (may be null) 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), left, top, 10800d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, mDensity, mScreenDensity, 10810d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn bitmap.mDensity); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 108811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 108911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 109611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 109711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 109811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 109911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst == null) { 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst, 11120d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, 11130d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity, bitmap.mDensity); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 112011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 112111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 112711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 112811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 112911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 113011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 113111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst == null) { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst, 11440d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, 11450d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity, bitmap.mDensity); 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Treat the specified array of colors as a bitmap, and draw it. This gives 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the same result as first creating a bitmap from the array, and then 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing it, but this method avoids explicitly creating a bitmap object 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which can be more efficient if the colors are changing often. 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors Array of colors representing the pixels of the bitmap 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Offset into the array of colors for the first pixel 115683d522290e56f614d0d9373d47c2b54b9e207795Brad Fitzpatrick * @param stride The number of colors in the array between rows (must be 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * >= width or <= -width). 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The X coordinate for where to draw the bitmap 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The Y coordinate for where to draw the bitmap 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hasAlpha True if the alpha channel of the colors contains valid 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. If false, the alpha byte is ignored (assumed to 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be 0xFF for every pixel). 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(int[] colors, int offset, int stride, float x, 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, int width, int height, boolean hasAlpha, 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check for valid input 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < 0) { 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be >= 0"); 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height < 0) { 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be >= 0"); 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = colors.length; 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) || lastScanline < 0 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (lastScanline + width > length)) { 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // quick escape if there's nothing to draw 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // punch down to native for the actual draw 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, colors, offset, stride, x, y, width, height, hasAlpha, 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Legacy version of drawBitmap(int[] colors, ...) that took ints for x,y 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, int height, boolean hasAlpha, 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // call through to the common float version 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawBitmap(colors, offset, stride, (float)x, (float)y, width, height, 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hasAlpha, paint); 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap using the specified matrix. 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix used to transform the bitmap when it is drawn 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawBitmapMatrix(mNativeCanvas, bitmap.ni(), matrix.ni(), 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy /** 12185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy * @hide 12195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy */ 12205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy protected static void checkRange(int length, int offset, int count) { 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((offset | count) < 0 || offset + count > length) { 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap through the mesh, where mesh vertices are evenly 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed across the bitmap. There are meshWidth+1 vertices across, and 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * meshHeight+1 vertices down. The verts array is accessed in row-major 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * order, so that the first meshWidth+1 vertices are distributed across the 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * top of the bitmap from left to right. A more general version of this 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methid is drawVertices(). 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw using the mesh 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshWidth The number of columns in the mesh. Nothing is drawn if 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshHeight The number of rows in the mesh. Nothing is drawn if 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of x,y pairs, specifying where the mesh should be 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawn. There must be at least 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (meshWidth+1) * (meshHeight+1) * 2 + meshOffset values 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the array 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of verts elements to skip before drawing 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. Specifies a color at each vertex, which is 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interpolated across the cell, and whose values are 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiplied by the corresponding bitmap colors. If not null, 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there must be at least (meshWidth+1) * (meshHeight+1) + 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colorOffset values in the array. 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of color elements to skip before drawing 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, Paint paint) { 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((meshWidth | meshHeight | vertOffset | colorOffset) < 0) { 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meshWidth == 0 || meshHeight == 0) { 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = (meshWidth + 1) * (meshHeight + 1); 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we mul by 2 since we need two floats per vertex 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, count * 2); 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no mul by 2, since we need only 1 color per vertex 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(colors.length, colorOffset, count); 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawBitmapMesh(mNativeCanvas, bitmap.ni(), meshWidth, meshHeight, 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project verts, vertOffset, colors, colorOffset, 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum VertexMode { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLES(0), 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_STRIP(1), 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_FAN(2); 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VertexMode(int nativeInt) { 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1281a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy 1282a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy /** 1283a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy * @hide 1284a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy */ 1285a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy public final int nativeInt; 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the array of vertices, interpreted as triangles (based on mode). The 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * verts array is required, and specifies the x,y pairs for each vertex. If 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * texs is non-null, then it is used to specify the coordinate in shader 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinates to use at each vertex (the paint must have a shader in this 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * case). If there is no texs array, but there is a color array, then each 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color is interpolated across its corresponding triangle in a gradient. If 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * both texs and colors arrays are present, then they behave as before, but 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the resulting color at each pixels is the result of multiplying the 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colors from the shader and the color-gradient together. The indices array 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is optional, but if it is present, then it is used to specify the index 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of each triangle, rather than just walking through the arrays in order. 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to interpret the array of vertices 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertexCount The number of values in the vertices array (and 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * corresponding texs and colors arrays if non-null). Each logical 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex is two values (x, y), vertexCount must be a multiple of 2. 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of vertices for the mesh 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of values in the verts to skip before drawing. 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texs May be null. If not null, specifies the coordinates to sample 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into the current shader (e.g. bitmap tile or gradient) 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texOffset Number of values in texs to skip before drawing. 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. If not null, specifies a color for each 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex, to be interpolated across the triangle. 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of values in colors to skip before drawing. 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indices If not null, array of indices to reference into the 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex (texs, colors) array. 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indexCount number of entries in the indices array (if not null). 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint Specifies the shader to use if the texs array is non-null. 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawVertices(VertexMode mode, int vertexCount, 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] texs, int texOffset, 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project short[] indices, int indexOffset, 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int indexCount, Paint paint) { 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, vertexCount); 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (texs != null) { 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(texs.length, texOffset, vertexCount); 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 132992ce5734b52ef014c80cc6335112a027188b3eb6Erik Faye-Lund checkRange(colors.length, colorOffset, vertexCount / 2); 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (indices != null) { 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(indices.length, indexOffset, indexCount); 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawVertices(mNativeCanvas, mode.nativeInt, vertexCount, verts, 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vertOffset, texs, texOffset, colors, colorOffset, 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project indices, indexOffset, indexCount, paint.mNativePaint); 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(char[] text, int index, int count, float x, float y, 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((index | count | (index + count) | 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (text.length - index - count)) < 0) { 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1354f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, index, count, x, y, paint.mBidiFlags, 1355f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1367f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public void drawText(String text, float x, float y, Paint paint) { 1368f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, 0, text.length(), x, y, paint.mBidiFlags, 1369f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 1370f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The origin is interpreted based on the Align setting in the paint. 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text to draw 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(String text, int start, int end, float x, float y, 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((start | end | (end - start) | (text.length() - end)) < 0) { 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1388f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, start, end, x, y, paint.mBidiFlags, 1389f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified range of text, specified by start/end, with its 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin at (x,y), in the specified Paint. The origin is interpreted 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * based on the Align setting in the Paint. 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to draw 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of origin for where to draw the text 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of origin for where to draw the text 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(CharSequence text, int start, int end, float x, 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, Paint paint) { 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof String || text instanceof SpannedString || 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text instanceof SpannableString) { 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawText(mNativeCanvas, text.toString(), start, end, x, y, 1410f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mBidiFlags, paint.mNativePaint); 1411f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((GraphicsOperations) text).drawText(this, start, end, x, y, 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 1414f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 1415f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt char[] buf = TemporaryBuffer.obtain(end - start); 1416f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.getChars(text, start, end, buf, 0); 1417f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, buf, 0, end - start, x, y, 1418f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mBidiFlags, paint.mNativePaint); 1419f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TemporaryBuffer.recycle(buf); 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1421f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1422f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1423f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1424fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the text, with origin at (x,y), using the specified paint. The 1425fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1426fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1427fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param text The text to be drawn 1428fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1429fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1430fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1431fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1432fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1433fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1434fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1435fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1436fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawTextWithGlyphs(char[] text, int index, int count, float x, float y, 1437fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio Paint paint) { 1438fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio if ((index | count | (index + count) | 1439fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio (text.length - index - count)) < 0) { 1440fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio throw new IndexOutOfBoundsException(); 1441fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1442fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawTextWithGlyphs(mNativeCanvas, text, index, count, x, y, paint.mBidiFlags, 1443fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1444fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1445fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1446fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1447fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the text, with origin at (x,y), using the specified paint. The 1448fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1449fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1450fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param text The text to be drawn 1451fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1452fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1453fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1454fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1455fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1456fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1457fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1458fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1459fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawTextWithGlyphs(String text, float x, float y, Paint paint) { 1460fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawTextWithGlyphs(mNativeCanvas, text, 0, text.length(), x, y, paint.mBidiFlags, 1461fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1462fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1463fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1464fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1465fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the glyphs, with origin at (x,y), using the specified paint. The 1466fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1467fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1468fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param glyphs The glyphs to be drawn 1469fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1470fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1471fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1472fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1473fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1474fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1475fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1476fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1477fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawGlyphs(char[] glyphs, int index, int count, float x, float y, 1478fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio Paint paint) { 1479fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio if ((index | count | (index + count) | 1480fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio (glyphs.length - index - count)) < 0) { 1481fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio throw new IndexOutOfBoundsException(); 1482fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1483fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawGlyphs(mNativeCanvas, glyphs, index, count, x, y, paint.mBidiFlags, 1484fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1485fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1486fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1487fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1488f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1489f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1490f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1491f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 1492f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * 1493f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 14940c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param index the start of the text to render 14950c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param count the count of chars to render 14960c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextIndex the start of the context for shaping. Must be 14970c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * no greater than index. 14980c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextCount the number of characters in the context for shaping. 14990c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * ContexIndex + contextCount must be no less than index 15000c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * + count. 1501f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1502f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 15030c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param dir the run direction, either {@link #DIRECTION_LTR} or 15040c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * {@link #DIRECTION_RTL}. 1505f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1506f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1507f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 15080c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public void drawTextRun(char[] text, int index, int count, 15090c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextIndex, int contextCount, float x, float y, int dir, 1510f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt Paint paint) { 1511f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1512f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1513f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1514f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1515f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1516f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1517f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 15180c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if ((index | count | text.length - index - count) < 0) { 1519f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1520f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1521f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1522f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IllegalArgumentException("unknown dir: " + dir); 1523f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1524f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 15250c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, text, index, count, 15260c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextIndex, contextCount, x, y, dir, paint.mNativePaint); 1527f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1528f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1529f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1530f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1531f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1532f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1533f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 15340c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * 1535f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 1536f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param start the start of the text to render. Data before this position 1537f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * can be used for shaping context. 1538f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param end the end of the text to render. Data at or after this 1539f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * position can be used for shaping context. 1540f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1541f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 1542f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param dir the run direction, either 0 for LTR or 1 for RTL. 1543f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1544f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1545f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 15460c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public void drawTextRun(CharSequence text, int start, int end, 15470c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextStart, int contextEnd, float x, float y, int dir, 15480c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt Paint paint) { 1549f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1550f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1551f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1552f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1553f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1554f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1555f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1556f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if ((start | end | end - start | text.length() - end) < 0) { 1557f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1558f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1559f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1560f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt int flags = dir == 0 ? 0 : 1; 1561f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1562f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text instanceof String || text instanceof SpannedString || 1563f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt text instanceof SpannableString) { 15640c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, text.toString(), start, end, 15650c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart, contextEnd, x, y, flags, paint.mNativePaint); 1566f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 15670c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ((GraphicsOperations) text).drawTextRun(this, start, end, 15680c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart, contextEnd, x, y, flags, paint); 1569f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 15700c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 15710c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 15720c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TemporaryBuffer.obtain(contextLen); 15730c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 15740c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, buf, start - contextStart, len, 15750c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 0, contextLen, x, y, flags, paint.mNativePaint); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TemporaryBuffer.recycle(buf); 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index The index of the first character to draw 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of characters to draw, starting from index. 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * character 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPosText(char[] text, int index, int count, float[] pos, 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length || count*2 > pos.length) { 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPosText(mNativeCanvas, text, index, count, pos, 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each character 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPosText(String text, float[] pos, Paint paint) { 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text.length()*2 > pos.length) { 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPosText(mNativeCanvas, text, pos, paint.mNativePaint); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawTextOnPath(char[] text, int index, int count, Path path, 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float hOffset, float vOffset, Paint paint) { 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length) { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawTextOnPath(mNativeCanvas, text, index, count, 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.ni(), hOffset, vOffset, 16354beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt paint.mBidiFlags, paint.mNativePaint); 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawTextOnPath(String text, Path path, float hOffset, 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float vOffset, Paint paint) { 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text.length() > 0) { 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawTextOnPath(mNativeCanvas, text, path.ni(), 16554beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt hOffset, vOffset, paint.mBidiFlags, 16564beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt paint.mNativePaint); 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Save the canvas state, draw the picture, and restore the canvas state. 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This differs from picture.draw(canvas), which does not perform any 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save/restore. 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param picture The picture to be drawn 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture) { 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project picture.endRecording(); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPicture(mNativeCanvas, picture.ni()); 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture, RectF dst) { 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale(dst.width() / picture.getWidth(), 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dst.height() / picture.getHeight()); 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture, Rect dst) { 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale((float)dst.width() / picture.getWidth(), 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float)dst.height() / picture.getHeight()); 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1700da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy /** 1701163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Free up as much memory as possible from private caches (e.g. fonts, images) 1702caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed * 1703163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 1704caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed */ 1705caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed public static native void freeCaches(); 1706caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int initRaster(int nativeBitmapOrZero); 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setBitmap(int nativeCanvas, int bitmap); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayer(int nativeCanvas, RectF bounds, 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint, int layerFlags); 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayer(int nativeCanvas, float l, 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint, int layerFlags); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayerAlpha(int nativeCanvas, 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF bounds, int alpha, 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int layerFlags); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayerAlpha(int nativeCanvas, float l, 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alpha, int layerFlags); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_concat(int nCanvas, int nMatrix); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setMatrix(int nCanvas, int nMatrix); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipRect(int nCanvas, 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipPath(int nativeCanvas, 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePath, 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipRegion(int nativeCanvas, 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeRegion, 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeSetDrawFilter(int nativeCanvas, 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeFilter); 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_getClipBounds(int nativeCanvas, 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect bounds); 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_getCTM(int canvas, int matrix); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF rect, 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int path, 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRGB(int nativeCanvas, int r, int g, 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int b); 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawARGB(int nativeCanvas, int a, int r, 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int g, int b); 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawColor(int nativeCanvas, int color); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawColor(int nativeCanvas, int color, 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mode); 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPaint(int nativeCanvas, int paint); 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawLine(int nativeCanvas, float startX, 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startY, float stopX, 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float stopY, int paint); 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRect(int nativeCanvas, RectF rect, 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRect(int nativeCanvas, float left, 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float top, float right, 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float bottom, int paint); 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawOval(int nativeCanvas, RectF oval, 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawCircle(int nativeCanvas, float cx, 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float cy, float radius, 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawArc(int nativeCanvas, RectF oval, 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startAngle, float sweep, 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useCenter, int paint); 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRoundRect(int nativeCanvas, 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF rect, float rx, 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ry, int paint); 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPath(int nativeCanvas, int path, 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_drawBitmap(int nativeCanvas, int bitmap, 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 177911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn int nativePaintOrZero, 17800d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int canvasDensity, 17810d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17820d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_drawBitmap(int nativeCanvas, int bitmap, 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect src, RectF dst, 17850d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int nativePaintOrZero, 17860d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17870d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawBitmap(int nativeCanvas, int bitmap, 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect src, Rect dst, 17900d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int nativePaintOrZero, 17910d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17920d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawBitmap(int nativeCanvas, int[] colors, 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offset, int stride, float x, 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, int width, int height, 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasAlpha, 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePaintOrZero); 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawBitmapMatrix(int nCanvas, int nBitmap, 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nMatrix, int nPaint); 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawBitmapMesh(int nCanvas, int nBitmap, 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int meshWidth, int meshHeight, 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, int nPaint); 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawVertices(int nCanvas, int mode, int n, 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, float[] texs, int texOffset, 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, short[] indices, 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int indexOffset, int indexCount, int nPaint); 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawText(int nativeCanvas, char[] text, 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index, int count, float x, 1811f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt float y, int flags, int paint); 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawText(int nativeCanvas, String text, 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start, int end, float x, 1814f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt float y, int flags, int paint); 1815fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1816fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio private static native void native_drawTextWithGlyphs(int nativeCanvas, char[] text, 1817fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio int index, int count, float x, 1818fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio float y, int flags, int paint); 1819fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio private static native void native_drawTextWithGlyphs(int nativeCanvas, String text, 1820fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio int start, int end, float x, 1821fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio float y, int flags, int paint); 18229f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio private static native void native_drawGlyphs(int nativeCanvas, char[] glyphs, 18239f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio int index, int count, float x, 18249f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio float y, int flags, int paint); 1825fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 18260c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt private static native void native_drawTextRun(int nativeCanvas, String text, 18270c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int end, int contextStart, int contextEnd, 18280c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, int paint); 1829f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 18300c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt private static native void native_drawTextRun(int nativeCanvas, char[] text, 18310c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int count, int contextStart, int contextCount, 18320c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, int paint); 1833f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPosText(int nativeCanvas, 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] text, int index, 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count, float[] pos, 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPosText(int nativeCanvas, 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String text, float[] pos, 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawTextOnPath(int nativeCanvas, 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] text, int index, 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count, int path, 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float hOffset, 18454beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float vOffset, int bidiFlags, 18464beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt int paint); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawTextOnPath(int nativeCanvas, 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String text, int path, 18494beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float hOffset, 18504beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float vOffset, 18514beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt int flags, int paint); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPicture(int nativeCanvas, 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePicture); 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void finalizer(int nativeCanvas); 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1856