Canvas.java revision fcf2be1846935e7983ea2fe87fdd4d7af27764b6
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; 76f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 774a317db43d2bbc992284dd1f651751f13734d017Romain Guy // This field is used to finalize the native Canvas properly 784a317db43d2bbc992284dd1f651751f13734d017Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 79e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private final CanvasFinalizer mFinalizer; 80e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 81e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private static class CanvasFinalizer { 82e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy private final int mNativeCanvas; 83e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 84e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy public CanvasFinalizer(int nativeCanvas) { 85e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mNativeCanvas = nativeCanvas; 86e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 87e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 88e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy @Override 89e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy protected void finalize() throws Throwable { 903b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy try { 913b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy if (mNativeCanvas != 0) { 923b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy finalizer(mNativeCanvas); 933b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy } 943b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy } finally { 953b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy super.finalize(); 96e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 97e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 98e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy } 99e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy 100f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct an empty raster canvas. Use setBitmap() to specify a bitmap to 10296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * draw into. The initial target density is {@link Bitmap#DENSITY_NONE}; 10396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * this will typically be replaced when a target bitmap is set for the 10496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * canvas. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Canvas() { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 0 means no native bitmap 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = initRaster(0); 1092fc941e4650d618ff6e122f28b616d9032ffa134Romain Guy mFinalizer = new CanvasFinalizer(mNativeCanvas); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct a canvas with the specified bitmap to draw into. The bitmap 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be mutable. 11596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 11696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>The initial target density of the canvas is the same as the given 11796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * bitmap's density. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Canvas(Bitmap bitmap) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bitmap.isMutable()) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Immutable bitmap passed to Canvas constructor"); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = initRaster(bitmap.ni()); 128e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mFinalizer = new CanvasFinalizer(mNativeCanvas); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 13096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = bitmap.mDensity; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 133163935113919a184122b8b3bd672ef08c8df65dcRomain Guy Canvas(int nativeCanvas) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nativeCanvas == 0) { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeCanvas = nativeCanvas; 138e4ac2d6b5723c95e648c489b187ddde449452c13Patrick Dubroy mFinalizer = new CanvasFinalizer(nativeCanvas); 13996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = Bitmap.getDefaultDensity(); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 141163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 143163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Returns null. 14496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 145163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @deprecated This method is not supported and should not be invoked. 1463b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy * 1473b703f2d11f20efaa953ad31d6c97fe3561efb03Romain Guy * @hide 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 149cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne @Deprecated 150163935113919a184122b8b3bd672ef08c8df65dcRomain Guy protected GL getGL() { 151163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return null; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1532d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy 1542d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy /** 1552d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Indicates whether this Canvas uses hardware acceleration. 1562d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 1572d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * Note that this method does not define what type of hardware acceleration 1582d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * may or may not be used. 1592d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 1602d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * @return True if drawing operations are hardware accelerated, 1612d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * false otherwise. 1622d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy */ 1632d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy public boolean isHardwareAccelerated() { 164163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return false; 165caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed } 166163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16896e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * Specify a bitmap for the canvas to draw into. As a side-effect, also 16996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * updates the canvas's target density to match that of the bitmap. 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap Specifies a mutable bitmap for the canvas to draw into. 17296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * 17396e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #setDensity(int) 17496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @see #getDensity() 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setBitmap(Bitmap bitmap) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!bitmap.isMutable()) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException(); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 180163935113919a184122b8b3bd672ef08c8df65dcRomain Guy if (isHardwareAccelerated()) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Can't set a bitmap device on a GL canvas"); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setBitmap(mNativeCanvas, bitmap.ni()); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBitmap = bitmap; 18796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn mDensity = bitmap.mDensity; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the viewport dimensions if this canvas is GL based. If it is not, 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method is ignored and no exception is thrown. 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 194163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param width The width of the viewport 195163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @param height The height of the viewport 1962d6145993e19d2bb664766dbaf3c1e9ad3d12cdcRomain Guy * 197163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setViewport(int width, int height) { 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the device that the current layer draws into is opaque 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. does not support per-pixel alpha). 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the device that the current layer draws into is opaque 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean isOpaque(); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the width of the current drawing layer 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the width of the current drawing layer 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getWidth(); 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the height of the current drawing layer 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the height of the current drawing layer 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getHeight(); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Returns the target density of the canvas. The default density is 22696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * derived from the density of its backing bitmap, or 22796e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} if there is not one.</p> 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22996e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @return Returns the current target density of the canvas, which is used 23096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #setDensity(int) 23311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#getDensity() 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int getDensity() { 23611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn return mDensity; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24096e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * <p>Specifies the density for this Canvas' backing bitmap. This modifies 24196e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * the target density of the canvas itself, as well as the density of its 24296e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * backing bitmap via {@link Bitmap#setDensity(int) Bitmap.setDensity(int)}. 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24496e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * @param density The new target density of the canvas, which is used 24596e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * to determine the scaling factor when drawing a bitmap into it. Use 24696e240f25a97c10bba863df328ed73a82c34ff61Dianne Hackborn * {@link Bitmap#DENSITY_NONE} to disable bitmap scaling. 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see #getDensity() 24911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * @see Bitmap#setDensity(int) 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public void setDensity(int density) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBitmap != null) { 25311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mBitmap.setDensity(density); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn mDensity = density; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2580d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn /** @hide */ 2590d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn public void setScreenDensity(int density) { 2600d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity = density; 2610d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn } 2620d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the SAVE_FLAG constants must match their native equivalents 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current matrix when restore() is called */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MATRIX_SAVE_FLAG = 0x01; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore the current clip when restore() is called */ 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_SAVE_FLAG = 0x02; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to per-pixel alpha */ 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int HAS_ALPHA_LAYER_SAVE_FLAG = 0x04; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** the layer needs to 8-bits per color component */ 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FULL_COLOR_LAYER_SAVE_FLAG = 0x08; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** clip against the layer's bounds */ 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CLIP_TO_LAYER_SAVE_FLAG = 0x10; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** restore everything when restore() is called */ 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ALL_SAVE_FLAG = 0x1F; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Saves the current matrix and clip onto a private stack. Subsequent 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calls to translate,scale,rotate,skew,concat or clipRect,clipPath 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will all operate as usual, but when the balancing call to restore() 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is made, those calls will be forgotten, and the settings that existed 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before the save() will be reinstated. 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int save(); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Based on saveFlags, can save the current matrix and clip onto a private 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * stack. Subsequent calls to translate,scale,rotate,skew,concat or 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect,clipPath will all operate as usual, but when the balancing 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to restore() is made, those calls will be forgotten, and the 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * settings that existed before the save() will be reinstated. 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags flag bits that specify which parts of the Canvas state 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to save/restore 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value to pass to restoreToCount() to balance this save() 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int save(int saveFlags); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds May be null. The maximum size the offscreen bitmap 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be (in local coordinates) 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint This is copied, and is applied to the offscreen when 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * restore() is called. 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this save() 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayer(mNativeCanvas, bounds, 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0, 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveFlags); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper version of saveLayer() that takes 4 values rather than a RectF. 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayer(float left, float top, float right, float bottom, 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint, int saveFlags) { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayer(mNativeCanvas, left, top, right, bottom, 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0, 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveFlags); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This behaves the same as save(), but in addition it allocates an 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offscreen bitmap. All drawing calls are directed there, and only when 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the balancing call to restore() is made is that offscreen transfered to 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas (or the previous layer). Subsequent calls to translate, 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scale, rotate, skew, concat or clipRect, clipPath all operate on this 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * copy. When the balancing call to restore() is made, this copy is 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * deleted and the previous matrix/clip state is restored. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds The maximum size the offscreen bitmap needs to be 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (in local coordinates) 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param alpha The alpha to apply to the offscreen when when it is 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawn during restore() 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveFlags see _SAVE_FLAG constants 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return value to pass to restoreToCount() to balance this call 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha = Math.min(255, Math.max(0, alpha)); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayerAlpha(mNativeCanvas, bounds, alpha, saveFlags); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for saveLayerAlpha() that takes 4 values instead of a RectF. 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int saveLayerAlpha(float left, float top, float right, float bottom, 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alpha, int saveFlags) { 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_saveLayerAlpha(mNativeCanvas, left, top, right, bottom, 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha, saveFlags); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This call balances a previous call to save(), and is used to remove all 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * modifications to the matrix/clip state since the last save call. It is 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an error to call restore() more times than save() was called. 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void restore(); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of matrix/clip states on the Canvas' private stack. 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will equal # save() calls - # restore() calls. 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getSaveCount(); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Efficient way to pop any calls to save() that happened after the save 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * count reached saveCount. It is an error for saveCount to be less than 1. 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example: 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * int count = canvas.save(); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... // more calls potentially to save() 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * canvas.restoreToCount(count); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // now the canvas is back in the same state it was before the initial 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // call to save(). 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param saveCount The save level to restore to. 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void restoreToCount(int saveCount); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified translation 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dx The distance to translate in X 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dy The distance to translate in Y 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void translate(float dx, float dy); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void scale(float sx, float sy); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified scale. 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to scale in X 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to scale in Y 413cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param px The x-coord for the pivot point (unchanged by the scale) 414cc3ec6cdb2b892eb29513e72d8b205acbe997b25Gilles Debunne * @param py The y-coord for the pivot point (unchanged by the scale) 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void scale(float sx, float sy, float px, float py) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale(sx, sy); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void rotate(float degrees); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified rotation. 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param degrees The amount to rotate, in degrees 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param px The x-coord for the pivot point (unchanged by the rotation) 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param py The y-coord for the pivot point (unchanged by the rotation) 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void rotate(float degrees, float px, float py) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(px, py); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rotate(degrees); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(-px, -py); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified skew. 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sx The amount to skew in X 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sy The amount to skew in Y 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void skew(float sx, float sy); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preconcat the current matrix with the specified matrix. 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to preconcatenate with the current matrix 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void concat(Matrix matrix) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_concat(mNativeCanvas, matrix.native_instance); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Completely replace the current matrix with the specified matrix. If the 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix parameter is null, then the current matrix is reset to identity. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix to replace the current matrix with. If it is 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * null, set the current matrix to identity. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMatrix(Matrix matrix) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setMatrix(mNativeCanvas, 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project matrix == null ? 0 : matrix.native_instance); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return, in ctm, the current transformation matrix. This does not alter 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the matrix in the canvas, but just returns a copy of it. 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void getMatrix(Matrix ctm) { 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_getCTM(mNativeCanvas, ctm.native_instance); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47841030da16856c8869e1e51d4a0405432fa96614eRomain Guy 47941030da16856c8869e1e51d4a0405432fa96614eRomain Guy /** 48041030da16856c8869e1e51d4a0405432fa96614eRomain Guy * Returns a pointer to an internal 4x4 native matrix. The returned 48141030da16856c8869e1e51d4a0405432fa96614eRomain Guy * pointer is a pointer to an array of 16 floats. 48241030da16856c8869e1e51d4a0405432fa96614eRomain Guy * 48341030da16856c8869e1e51d4a0405432fa96614eRomain Guy * @hide 48441030da16856c8869e1e51d4a0405432fa96614eRomain Guy */ 4854a317db43d2bbc992284dd1f651751f13734d017Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 48641030da16856c8869e1e51d4a0405432fa96614eRomain Guy public int getNativeMatrix() { 48741030da16856c8869e1e51d4a0405432fa96614eRomain Guy return 0; 48841030da16856c8869e1e51d4a0405432fa96614eRomain Guy } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a new matrix with a copy of the canvas' current transformation 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * matrix. 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Matrix getMatrix() { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matrix m = new Matrix(); 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getMatrix(m); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return m; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle. 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to intersect with the current clip 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRect(RectF rect, Region.Op op) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.left, rect.top, rect.right, rect.bottom, 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRect(Rect rect, Region.Op op) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.left, rect.top, rect.right, rect.bottom, 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(RectF rect); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangle to intersect with the current clip. 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(Rect rect); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified rectangle, which is 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 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 boolean clipRect(float left, float top, float right, float bottom, 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Region.Op op) { 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRect(mNativeCanvas, left, top, right, bottom, 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project op.nativeInt); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(float left, float top, 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified rectangle, which is 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * expressed in local coordinates. 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to intersect with the 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to intersect with the current clip 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to intersect with the 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to intersect with the current 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting clip is non-empty 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native boolean clipRect(int left, int top, 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int right, int bottom); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified path. 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to operate on the current clip 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipPath(Path path, Region.Op op) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipPath(mNativeCanvas, path.ni(), op.nativeInt); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified path. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to intersect with the current clip 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipPath(Path path) { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipPath(path, Region.Op.INTERSECT); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Modify the current clip with the specified region. Note that unlike 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param op How the clip is modified 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRegion(Region region, Region.Op op) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_clipRegion(mNativeCanvas, region.ni(), op.nativeInt); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Intersect the current clip with the specified region. Note that unlike 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clipRect() and clipPath() which transform their arguments by the 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, clipRegion() assumes its argument is already in the 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate system of the current layer's bitmap, and so not 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformation is performed. 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param region The region to operate on the current clip, based on op 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the resulting is non-empty 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean clipRegion(Region region) { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return clipRegion(region, Region.Op.INTERSECT); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DrawFilter getDrawFilter() { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawFilter; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDrawFilter(DrawFilter filter) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeFilter = 0; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filter != null) { 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeFilter = filter.mNativeInt; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawFilter = filter; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeSetDrawFilter(mNativeCanvas, nativeFilter); 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum EdgeType { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BW(0), //!< treat edges by just rounding to nearest pixel boundary 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AA(1); //!< treat edges by rounding-out, since they may be antialiased 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EdgeType(int nativeInt) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 668c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 669c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy /** 670c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy * @hide 671c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy */ 672c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy public final int nativeInt; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect the rect to compare with the current clip 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type specifies how to treat the edges (BW or antialiased) 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(RectF rect, EdgeType type) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, rect, type.nativeInt); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified path, after being transformed by the 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). Note: for speed it may 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return false even if the path itself might not intersect the clip 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. the bounds of the path intersects, but the path does not). 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to compare with the current clip 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type true if the path should be considered antialiased, 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * since that means it may 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * affect a larger area (more pixels) than 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * non-antialiased. 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the path (transformed by the canvas' matrix) 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(Path path, EdgeType type) { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, path.ni(), type.nativeInt); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the specified rectangle, after being transformed by the 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current matrix, would lie completely outside of the current clip. Call 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this to check if an area you intend to draw into is clipped out (and 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * therefore you can skip making the draw calls). 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to compare with the 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top of the rectangle to compare with the current 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clip 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to compare with the 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom of the rectangle to compare with the 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * current clip 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param type true if the rect should be considered antialiased, 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * since that means it may affect a larger area (more 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pixels) than non-antialiased. 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the rect (transformed by the canvas' matrix) 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with the canvas' clip 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean quickReject(float left, float top, float right, float bottom, 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EdgeType type) { 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_quickReject(mNativeCanvas, left, top, right, bottom, 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type.nativeInt); 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the clip bounds, returning true if they are non-empty. 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bounds Return the clip bounds here. If it is null, ignore it but 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * still return true if the current clip is non-empty. 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the current clip is non-empty. 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getClipBounds(Rect bounds) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_getClipBounds(mNativeCanvas, bounds); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve the clip bounds. 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the clip bounds, or [0, 0, 0, 0] if the clip is empty. 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Rect getClipBounds() { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect r = new Rect(); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getClipBounds(r); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified RGB color, using srcover porterduff mode. 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRGB(int r, int g, int b) { 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRGB(mNativeCanvas, r, g, b); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified ARGB color, using srcover porterduff mode. 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a alpha component (0..255) of the color to draw onto the canvas 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r red component (0..255) of the color to draw onto the canvas 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param g green component (0..255) of the color to draw onto the canvas 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param b blue component (0..255) of the color to draw onto the canvas 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawARGB(int a, int r, int g, int b) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawARGB(mNativeCanvas, a, r, g, b); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color, using srcover porterduff mode. 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw onto the canvas 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawColor(int color) { 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawColor(mNativeCanvas, color); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with the 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified color and porter-duff xfermode. 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param color the color to draw with 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode the porter-duff mode to apply to the color 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawColor(int color, PorterDuff.Mode mode) { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawColor(mNativeCanvas, color, mode.nativeInt); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Fill the entire canvas' bitmap (restricted to the current clip) with 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint. This is equivalent (but faster) to drawing an 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * infinitely large rectangle with the specified paint. 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw onto the canvas 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPaint(Paint paint) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPaint(mNativeCanvas, paint.mNativePaint); 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of points. Each point is centered at the coordinate 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified by pts[], and its diameter is specified by the paint's stroke 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * width (as transformed by the canvas' CTM), with special treatment for 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a stroke width of 0, which always draws exactly 1 pixel (or at most 4 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if antialiasing is enabled). The shape of the point is controlled by 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the paint's Cap type. The shape is a square, unless the cap type is 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Round, in which case the shape is a circle. 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values to skip before starting to draw. 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values to process, after skipping offset 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of them. Since one point uses two values, the number of 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "points" that are drawn is really (count >> 1). 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawPoints(float[] pts, int offset, int count, 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() that assumes you want to draw the entire array 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPoints(float[] pts, Paint paint) { 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPoints(pts, 0, pts.length, paint); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper for drawPoints() for drawing a single point. 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawPoint(float x, float y, Paint paint); 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a line segment with the specified start and stop x,y coordinates, 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * using the specified paint. NOTE: since a line is always "framed", the 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Style is ignored in the paint. 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startX The x-coordinate of the start point of the line 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startY The y-coordinate of the start point of the line 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the line 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawLine(float startX, float startY, float stopX, float stopY, 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawLine(mNativeCanvas, startX, startY, stopX, stopY, 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw a series of lines. Each line is taken from 4 consecutive values 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the pts array. Thus to draw 1 line, the array must contain at least 4 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. This is logically the same as drawing the array as follows: 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[0], pts[1], pts[2], pts[3]) followed by 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawLine(pts[4], pts[5], pts[6], pts[7]) and so on. 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pts Array of points to draw [x0 y0 x1 y1 x2 y2 ...] 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Number of values in the array to skip before drawing. 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of values in the array to process, after 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * skipping "offset" of them. Since each line uses 4 values, 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the number of "lines" that are drawn is really 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (count >> 2). 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the points 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void drawLines(float[] pts, int offset, int count, 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint); 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawLines(float[] pts, Paint paint) { 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawLines(pts, 0, pts.length, paint); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rect to be drawn 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rect 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRect(RectF rect, Paint paint) { 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRect(mNativeCanvas, rect, paint.mNativePaint); 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified Paint. The rectangle 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r The rectangle to be drawn. 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the rectangle 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRect(Rect r, Paint paint) { 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawRect(r.left, r.top, r.right, r.bottom, paint); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified Rect using the specified paint. The rectangle will 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be filled or framed based on the Style in the paint. 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The left side of the rectangle to be drawn 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The top side of the rectangle to be drawn 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right The right side of the rectangle to be drawn 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom The bottom side of the rectangle 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(float left, float top, float right, float bottom, 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRect(mNativeCanvas, left, top, right, bottom, 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified oval using the specified paint. The oval will be 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The rectangle bounds of the oval to be drawn 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawOval(RectF oval, Paint paint) { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawOval(mNativeCanvas, oval, paint.mNativePaint); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified circle using the specified paint. If radius is <= 0, 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then nothing will be drawn. The circle will be filled or framed based 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on the Style in the paint. 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cx The x-coordinate of the center of the cirle to be drawn 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cy The y-coordinate of the center of the cirle to be drawn 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param radius The radius of the cirle to be drawn 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the circle 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawCircle(float cx, float cy, float radius, Paint paint) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawCircle(mNativeCanvas, cx, cy, radius, 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9514a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>Draw the specified arc, which will be scaled to fit inside the 9524a317db43d2bbc992284dd1f651751f13734d017Romain Guy * specified oval.</p> 9534a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9544a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the start angle is negative or >= 360, the start angle is treated 9554a317db43d2bbc992284dd1f651751f13734d017Romain Guy * as start angle modulo 360.</p> 9564a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9574a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>If the sweep angle is >= 360, then the oval is drawn 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * completely. Note that this differs slightly from SkPath::arcTo, which 9594a317db43d2bbc992284dd1f651751f13734d017Romain Guy * treats the sweep angle modulo 360. If the sweep angle is negative, 9604a317db43d2bbc992284dd1f651751f13734d017Romain Guy * the sweep angle is treated as sweep angle modulo 360</p> 9614a317db43d2bbc992284dd1f651751f13734d017Romain Guy * 9624a317db43d2bbc992284dd1f651751f13734d017Romain Guy * <p>The arc is drawn clockwise. An angle of 0 degrees correspond to the 9634a317db43d2bbc992284dd1f651751f13734d017Romain Guy * geometric angle of 0 degrees (3 o'clock on a watch.)</p> 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oval The bounds of oval used to define the shape and size 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the arc 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param startAngle Starting angle (in degrees) where the arc begins 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sweepAngle Sweep angle (in degrees) measured clockwise 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param useCenter If true, include the center of the oval in the arc, and 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close it if it is being stroked. This will draw a wedge 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the arc 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawArc(RectF oval, float startAngle, float sweepAngle, 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useCenter, Paint paint) { 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oval == null) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawArc(mNativeCanvas, oval, startAngle, sweepAngle, 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project useCenter, paint.mNativePaint); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified round-rect using the specified paint. The roundrect 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be filled or framed based on the Style in the paint. 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect The rectangular bounds of the roundRect to be drawn 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rx The x-radius of the oval used to round the corners 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ry The y-radius of the oval used to round the corners 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the roundRect 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rect == null) { 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawRoundRect(mNativeCanvas, rect, rx, ry, 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified path using the specified paint. The path will be 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * filled or framed based on the Style in the paint. 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path to be drawn 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the path 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPath(Path path, Paint paint) { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPath(mNativeCanvas, path.ni(), paint.mNativePaint); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void throwIfRecycled(Bitmap bitmap) { 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bitmap.isRecycled()) { 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Canvas: trying to use a recycled bitmap " + bitmap); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1018deba785f122a47915756ffd991f5540d952cf937Romain Guy * Draws the specified bitmap as an N-patch (most often, a 9-patches.) 1019deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1020deba785f122a47915756ffd991f5540d952cf937Romain Guy * Note: Only supported by hardware accelerated canvas at the moment. 1021deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1022deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param bitmap The bitmap to draw as an N-patch 1023deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param chunks The patches information (matches the native struct Res_png_9patch) 1024deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param dst The destination rectangle. 1025deba785f122a47915756ffd991f5540d952cf937Romain Guy * @param paint The paint to draw the bitmap with. may be null 1026deba785f122a47915756ffd991f5540d952cf937Romain Guy * 1027deba785f122a47915756ffd991f5540d952cf937Romain Guy * @hide 1028deba785f122a47915756ffd991f5540d952cf937Romain Guy */ 1029deba785f122a47915756ffd991f5540d952cf937Romain Guy public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 1030deba785f122a47915756ffd991f5540d952cf937Romain Guy } 1031deba785f122a47915756ffd991f5540d952cf937Romain Guy 1032deba785f122a47915756ffd991f5540d952cf937Romain Guy /** 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, with its top/left corner at (x,y), using 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified paint, transformed by the current matrix. 103511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 103611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 104211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>If the bitmap and canvas have different densities, this function 104311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * will take care of automatically scaling the bitmap to draw at the 104411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * same density as the canvas. 104511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left The position of the left side of the bitmap being drawn 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top The position of the top side of the bitmap being drawn 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used to draw the bitmap (may be null) 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), left, top, 10540d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, mDensity, mScreenDensity, 10550d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn bitmap.mDensity); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 106211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 106311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 106911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 107011ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 107111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 107211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 107311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst == null) { 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst, 10860d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, 10870d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity, bitmap.mDensity); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified bitmap, scaling/translating automatically to fill 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the destination rectangle. If the source rectangle is not null, it 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specifies the subset of the bitmap to draw. 109411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 109511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>Note: if the paint contains a maskfilter that generates a mask which 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extends beyond the bitmap's original width/height (e.g. BlurMaskFilter), 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * then the bitmap will be drawn as if it were in a Shader with CLAMP mode. 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Thus the color outside of the original width/height will be the edge 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color replicated. 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 110111ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * <p>This function <em>ignores the density associated with the bitmap</em>. 110211ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * This is because the source and destination rectangle coordinate 110311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * spaces are in their respective densities, so must already have the 110411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * appropriate scaling factor applied. 110511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to be drawn 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param src May be null. The subset of the bitmap to be drawn 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dst The rectangle that the bitmap will be scaled/translated 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to fit into 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dst == null) { 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException(); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throwIfRecycled(bitmap); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst, 11180d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn paint != null ? paint.mNativePaint : 0, 11190d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn mScreenDensity, bitmap.mDensity); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Treat the specified array of colors as a bitmap, and draw it. This gives 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the same result as first creating a bitmap from the array, and then 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing it, but this method avoids explicitly creating a bitmap object 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which can be more efficient if the colors are changing often. 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors Array of colors representing the pixels of the bitmap 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset Offset into the array of colors for the first pixel 113083d522290e56f614d0d9373d47c2b54b9e207795Brad Fitzpatrick * @param stride The number of colors in the array between rows (must be 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * >= width or <= -width). 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The X coordinate for where to draw the bitmap 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The Y coordinate for where to draw the bitmap 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width The width of the bitmap 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height The height of the bitmap 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hasAlpha True if the alpha channel of the colors contains valid 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values. If false, the alpha byte is ignored (assumed to 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be 0xFF for every pixel). 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(int[] colors, int offset, int stride, float x, 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, int width, int height, boolean hasAlpha, 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check for valid input 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < 0) { 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("width must be >= 0"); 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (height < 0) { 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("height must be >= 0"); 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Math.abs(stride) < width) { 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("abs(stride) must be >= width"); 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int lastScanline = offset + (height - 1) * stride; 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = colors.length; 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset < 0 || (offset + width > length) || lastScanline < 0 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (lastScanline + width > length)) { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // quick escape if there's nothing to draw 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width == 0 || height == 0) { 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // punch down to native for the actual draw 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawBitmap(mNativeCanvas, colors, offset, stride, x, y, width, height, hasAlpha, 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Legacy version of drawBitmap(int[] colors, ...) that took ints for x,y 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width, int height, boolean hasAlpha, 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // call through to the common float version 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawBitmap(colors, offset, stride, (float)x, (float)y, width, height, 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hasAlpha, paint); 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap using the specified matrix. 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param matrix The matrix used to transform the bitmap when it is drawn 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawBitmapMatrix(mNativeCanvas, bitmap.ni(), matrix.ni(), 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy /** 11925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy * @hide 11935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy */ 11945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy protected static void checkRange(int length, int offset, int count) { 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((offset | count) < 0 || offset + count > length) { 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the bitmap through the mesh, where mesh vertices are evenly 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed across the bitmap. There are meshWidth+1 vertices across, and 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * meshHeight+1 vertices down. The verts array is accessed in row-major 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * order, so that the first meshWidth+1 vertices are distributed across the 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * top of the bitmap from left to right. A more general version of this 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methid is drawVertices(). 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bitmap The bitmap to draw using the mesh 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshWidth The number of columns in the mesh. Nothing is drawn if 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param meshHeight The number of rows in the mesh. Nothing is drawn if 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is 0 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of x,y pairs, specifying where the mesh should be 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawn. There must be at least 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (meshWidth+1) * (meshHeight+1) * 2 + meshOffset values 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the array 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of verts elements to skip before drawing 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. Specifies a color at each vertex, which is 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interpolated across the cell, and whose values are 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiplied by the corresponding bitmap colors. If not null, 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there must be at least (meshWidth+1) * (meshHeight+1) + 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colorOffset values in the array. 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of color elements to skip before drawing 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint May be null. The paint used to draw the bitmap 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, Paint paint) { 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((meshWidth | meshHeight | vertOffset | colorOffset) < 0) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meshWidth == 0 || meshHeight == 0) { 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = (meshWidth + 1) * (meshHeight + 1); 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we mul by 2 since we need two floats per vertex 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, count * 2); 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no mul by 2, since we need only 1 color per vertex 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(colors.length, colorOffset, count); 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawBitmapMesh(mNativeCanvas, bitmap.ni(), meshWidth, meshHeight, 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project verts, vertOffset, colors, colorOffset, 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint != null ? paint.mNativePaint : 0); 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public enum VertexMode { 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLES(0), 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_STRIP(1), 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TRIANGLE_FAN(2); 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VertexMode(int nativeInt) { 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.nativeInt = nativeInt; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1255a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy 1256a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy /** 1257a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy * @hide 1258a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy */ 1259a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy public final int nativeInt; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the array of vertices, interpreted as triangles (based on mode). The 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * verts array is required, and specifies the x,y pairs for each vertex. If 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * texs is non-null, then it is used to specify the coordinate in shader 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinates to use at each vertex (the paint must have a shader in this 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * case). If there is no texs array, but there is a color array, then each 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * color is interpolated across its corresponding triangle in a gradient. If 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * both texs and colors arrays are present, then they behave as before, but 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the resulting color at each pixels is the result of multiplying the 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * colors from the shader and the color-gradient together. The indices array 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is optional, but if it is present, then it is used to specify the index 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of each triangle, rather than just walking through the arrays in order. 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode How to interpret the array of vertices 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertexCount The number of values in the vertices array (and 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * corresponding texs and colors arrays if non-null). Each logical 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex is two values (x, y), vertexCount must be a multiple of 2. 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param verts Array of vertices for the mesh 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vertOffset Number of values in the verts to skip before drawing. 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texs May be null. If not null, specifies the coordinates to sample 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into the current shader (e.g. bitmap tile or gradient) 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param texOffset Number of values in texs to skip before drawing. 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colors May be null. If not null, specifies a color for each 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex, to be interpolated across the triangle. 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param colorOffset Number of values in colors to skip before drawing. 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indices If not null, array of indices to reference into the 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertex (texs, colors) array. 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param indexCount number of entries in the indices array (if not null). 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint Specifies the shader to use if the texs array is non-null. 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawVertices(VertexMode mode, int vertexCount, 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] texs, int texOffset, 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project short[] indices, int indexOffset, 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int indexCount, Paint paint) { 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(verts.length, vertOffset, vertexCount); 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (texs != null) { 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(texs.length, texOffset, vertexCount); 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors != null) { 130392ce5734b52ef014c80cc6335112a027188b3eb6Erik Faye-Lund checkRange(colors.length, colorOffset, vertexCount / 2); 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (indices != null) { 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkRange(indices.length, indexOffset, indexCount); 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nativeDrawVertices(mNativeCanvas, mode.nativeInt, vertexCount, verts, 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vertOffset, texs, texOffset, colors, colorOffset, 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project indices, indexOffset, indexCount, paint.mNativePaint); 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(char[] text, int index, int count, float x, float y, 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((index | count | (index + count) | 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (text.length - index - count)) < 0) { 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1328f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, index, count, x, y, paint.mBidiFlags, 1329f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. The 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin is interpreted based on the Align setting in the paint. 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1341f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt public void drawText(String text, float x, float y, Paint paint) { 1342f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, 0, text.length(), x, y, paint.mBidiFlags, 1343f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 1344f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint. 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The origin is interpreted based on the Align setting in the paint. 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text to draw 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of the origin of the text being drawn 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of the origin of the text being drawn 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(String text, int start, int end, float x, float y, 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((start | end | (end - start) | (text.length() - end)) < 0) { 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1362f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, text, start, end, x, y, paint.mBidiFlags, 1363f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mNativePaint); 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the specified range of text, specified by start/end, with its 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * origin at (x,y), in the specified Paint. The origin is interpreted 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * based on the Align setting in the Paint. 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start The index of the first character in text to draw 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param end (end - 1) is the index of the last character in text 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to draw 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x The x-coordinate of origin for where to draw the text 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y The y-coordinate of origin for where to draw the text 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawText(CharSequence text, int start, int end, float x, 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, Paint paint) { 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text instanceof String || text instanceof SpannedString || 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text instanceof SpannableString) { 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawText(mNativeCanvas, text.toString(), start, end, x, y, 1384f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mBidiFlags, paint.mNativePaint); 1385f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((GraphicsOperations) text).drawText(this, start, end, x, y, 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint); 1388f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 1389f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt char[] buf = TemporaryBuffer.obtain(end - start); 1390f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TextUtils.getChars(text, start, end, buf, 0); 1391f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt native_drawText(mNativeCanvas, buf, 0, end - start, x, y, 1392f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt paint.mBidiFlags, paint.mNativePaint); 1393f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt TemporaryBuffer.recycle(buf); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1395f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1396f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1397f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1398fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the text, with origin at (x,y), using the specified paint. The 1399fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1400fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1401fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param text The text to be drawn 1402fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1403fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1404fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1405fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1406fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1407fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1408fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1409fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1410fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawTextWithGlyphs(char[] text, int index, int count, float x, float y, 1411fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio Paint paint) { 1412fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio if ((index | count | (index + count) | 1413fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio (text.length - index - count)) < 0) { 1414fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio throw new IndexOutOfBoundsException(); 1415fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1416fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawTextWithGlyphs(mNativeCanvas, text, index, count, x, y, paint.mBidiFlags, 1417fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1418fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1419fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1420fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1421fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the text, with origin at (x,y), using the specified paint. The 1422fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1423fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1424fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param text The text to be drawn 1425fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1426fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1427fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1428fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1429fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1430fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1431fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1432fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1433fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawTextWithGlyphs(String text, float x, float y, Paint paint) { 1434fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawTextWithGlyphs(mNativeCanvas, text, 0, text.length(), x, y, paint.mBidiFlags, 1435fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1436fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1437fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1438fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1439fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Draw the glyphs, with origin at (x,y), using the specified paint. The 1440fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * origin is interpreted based on the Align setting in the paint. 1441fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1442fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param glyphs The glyphs to be drawn 1443fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param x The x-coordinate of the origin of the text being drawn 1444fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param y The y-coordinate of the origin of the text being drawn 1445fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @param paint The paint used for the text (e.g. color, size, style) 1446fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1447fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * @hide 1448fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * 1449fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio * Used only for BiDi / RTL Tests 1450fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio */ 1451fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio public void drawGlyphs(char[] glyphs, int index, int count, float x, float y, 1452fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio Paint paint) { 1453fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio if ((index | count | (index + count) | 1454fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio (glyphs.length - index - count)) < 0) { 1455fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio throw new IndexOutOfBoundsException(); 1456fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1457fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio native_drawGlyphs(mNativeCanvas, glyphs, index, count, x, y, paint.mBidiFlags, 1458fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio paint.mNativePaint); 1459fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio } 1460fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1461fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio /** 1462f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1463f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1464f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1465f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 1466f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * 1467f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 14680c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param index the start of the text to render 14690c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param count the count of chars to render 14700c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextIndex the start of the context for shaping. Must be 14710c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * no greater than index. 14720c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param contextCount the number of characters in the context for shaping. 14730c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * ContexIndex + contextCount must be no less than index 14740c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * + count. 1475f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1476f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 14770c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * @param dir the run direction, either {@link #DIRECTION_LTR} or 14780c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * {@link #DIRECTION_RTL}. 1479f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1480f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1481f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 14820c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public void drawTextRun(char[] text, int index, int count, 14830c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextIndex, int contextCount, float x, float y, int dir, 1484f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt Paint paint) { 1485f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1486f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1487f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1488f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1489f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1490f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1491f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 14920c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt if ((index | count | text.length - index - count) < 0) { 1493f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1494f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1495f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1496f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IllegalArgumentException("unknown dir: " + dir); 1497f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1498f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 14990c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, text, index, count, 15000c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextIndex, contextCount, x, y, dir, paint.mNativePaint); 1501f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1502f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1503f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt /** 1504f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Render a run of all LTR or all RTL text, with shaping. This does not run 1505f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * bidi on the provided text, but renders it as a uniform right-to-left or 1506f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * left-to-right run, as indicated by dir. Alignment of the text is as 1507f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * determined by the Paint's TextAlign value. 15080c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * 1509f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param text the text to render 1510f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param start the start of the text to render. Data before this position 1511f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * can be used for shaping context. 1512f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param end the end of the text to render. Data at or after this 1513f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * position can be used for shaping context. 1514f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param x the x position at which to draw the text 1515f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param y the y position at which to draw the text 1516f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param dir the run direction, either 0 for LTR or 1 for RTL. 1517f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @param paint the paint 1518f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * @hide 1519f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 15200c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt public void drawTextRun(CharSequence text, int start, int end, 15210c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextStart, int contextEnd, float x, float y, int dir, 15220c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt Paint paint) { 1523f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1524f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text == null) { 1525f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("text is null"); 1526f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1527f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (paint == null) { 1528f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new NullPointerException("paint is null"); 1529f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1530f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if ((start | end | end - start | text.length() - end) < 0) { 1531f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt throw new IndexOutOfBoundsException(); 1532f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } 1533f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1534f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt int flags = dir == 0 ? 0 : 1; 1535f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 1536f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt if (text instanceof String || text instanceof SpannedString || 1537f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt text instanceof SpannableString) { 15380c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, text.toString(), start, end, 15390c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart, contextEnd, x, y, flags, paint.mNativePaint); 1540f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else if (text instanceof GraphicsOperations) { 15410c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt ((GraphicsOperations) text).drawTextRun(this, start, end, 15420c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt contextStart, contextEnd, x, y, flags, paint); 1543f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt } else { 15440c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int contextLen = contextEnd - contextStart; 15450c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int len = end - start; 15460c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt char[] buf = TemporaryBuffer.obtain(contextLen); 15470c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 15480c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt native_drawTextRun(mNativeCanvas, buf, start - contextStart, len, 15490c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 0, contextLen, x, y, flags, paint.mNativePaint); 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TemporaryBuffer.recycle(buf); 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index The index of the first character to draw 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count The number of characters to draw, starting from index. 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * character 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPosText(char[] text, int index, int count, float[] pos, 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint paint) { 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length || count*2 > pos.length) { 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPosText(mNativeCanvas, text, index, count, pos, 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.mNativePaint); 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text in the array, with each character's origin specified by 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pos array. 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param pos Array of [x,y] positions, used to position each character 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPosText(String text, float[] pos, Paint paint) { 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text.length()*2 > pos.length) { 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPosText(mNativeCanvas, text, pos, paint.mNativePaint); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawTextOnPath(char[] text, int index, int count, Path path, 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float hOffset, float vOffset, Paint paint) { 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index + count > text.length) { 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ArrayIndexOutOfBoundsException(); 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawTextOnPath(mNativeCanvas, text, index, count, 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project path.ni(), hOffset, vOffset, 16094beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt paint.mBidiFlags, paint.mNativePaint); 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the text, with origin at (x,y), using the specified paint, along 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified path. The paint's Align setting determins where along the 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * path to start the text. 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param text The text to be drawn 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The path the text should follow for its baseline 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param hOffset The distance along the path to add to the text's 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * starting position 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param vOffset The distance above(-) or below(+) the path to position 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the text 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paint The paint used for the text (e.g. color, size, style) 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawTextOnPath(String text, Path path, float hOffset, 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float vOffset, Paint paint) { 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (text.length() > 0) { 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawTextOnPath(mNativeCanvas, text, path.ni(), 16294beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt hOffset, vOffset, paint.mBidiFlags, 16304beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt paint.mNativePaint); 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Save the canvas state, draw the picture, and restore the canvas state. 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This differs from picture.draw(canvas), which does not perform any 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save/restore. 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param picture The picture to be drawn 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture) { 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project picture.endRecording(); 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_drawPicture(mNativeCanvas, picture.ni()); 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture, RectF dst) { 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale(dst.width() / picture.getWidth(), 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dst.height() / picture.getHeight()); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw the picture, stretched to fit into the dst rectangle. 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawPicture(Picture picture, Rect dst) { 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project save(); 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project translate(dst.left, dst.top); 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (picture.getWidth() > 0 && picture.getHeight() > 0) { 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scale((float)dst.width() / picture.getWidth(), 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (float)dst.height() / picture.getHeight()); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawPicture(picture); 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project restore(); 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1673da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1674da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy /** 1675163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Free up as much memory as possible from private caches (e.g. fonts, images) 1676caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed * 1677163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * @hide 1678caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed */ 1679caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed public static native void freeCaches(); 1680caf0df1b7f99736aed1a0b923ef278fc4fd0fccaMike Reed 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int initRaster(int nativeBitmapOrZero); 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setBitmap(int nativeCanvas, int bitmap); 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayer(int nativeCanvas, RectF bounds, 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint, int layerFlags); 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayer(int nativeCanvas, float l, 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint, int layerFlags); 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayerAlpha(int nativeCanvas, 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF bounds, int alpha, 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int layerFlags); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native int native_saveLayerAlpha(int nativeCanvas, float l, 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t, float r, float b, 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int alpha, int layerFlags); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_concat(int nCanvas, int nMatrix); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_setMatrix(int nCanvas, int nMatrix); 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipRect(int nCanvas, 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipPath(int nativeCanvas, 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePath, 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_clipRegion(int nativeCanvas, 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeRegion, 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int regionOp); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeSetDrawFilter(int nativeCanvas, 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativeFilter); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_getClipBounds(int nativeCanvas, 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect bounds); 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_getCTM(int canvas, int matrix); 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF rect, 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int path, 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native boolean native_quickReject(int nativeCanvas, 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float right, float bottom, 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int native_edgeType); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRGB(int nativeCanvas, int r, int g, 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int b); 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawARGB(int nativeCanvas, int a, int r, 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int g, int b); 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawColor(int nativeCanvas, int color); 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawColor(int nativeCanvas, int color, 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mode); 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPaint(int nativeCanvas, int paint); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawLine(int nativeCanvas, float startX, 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startY, float stopX, 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float stopY, int paint); 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRect(int nativeCanvas, RectF rect, 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRect(int nativeCanvas, float left, 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float top, float right, 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float bottom, int paint); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawOval(int nativeCanvas, RectF oval, 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawCircle(int nativeCanvas, float cx, 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float cy, float radius, 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawArc(int nativeCanvas, RectF oval, 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float startAngle, float sweep, 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean useCenter, int paint); 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawRoundRect(int nativeCanvas, 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RectF rect, float rx, 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ry, int paint); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPath(int nativeCanvas, int path, 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_drawBitmap(int nativeCanvas, int bitmap, 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float left, float top, 175311ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn int nativePaintOrZero, 17540d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int canvasDensity, 17550d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17560d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_drawBitmap(int nativeCanvas, int bitmap, 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect src, RectF dst, 17590d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int nativePaintOrZero, 17600d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17610d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawBitmap(int nativeCanvas, int bitmap, 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect src, Rect dst, 17640d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int nativePaintOrZero, 17650d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int screenDensity, 17660d221012ff5fd314711c00ed30e9b807b9c454c1Dianne Hackborn int bitmapDensity); 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawBitmap(int nativeCanvas, int[] colors, 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offset, int stride, float x, 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y, int width, int height, 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasAlpha, 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePaintOrZero); 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawBitmapMatrix(int nCanvas, int nBitmap, 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nMatrix, int nPaint); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawBitmapMesh(int nCanvas, int nBitmap, 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int meshWidth, int meshHeight, 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, int nPaint); 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void nativeDrawVertices(int nCanvas, int mode, int n, 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] verts, int vertOffset, float[] texs, int texOffset, 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] colors, int colorOffset, short[] indices, 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int indexOffset, int indexCount, int nPaint); 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawText(int nativeCanvas, char[] text, 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index, int count, float x, 1785f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt float y, int flags, int paint); 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawText(int nativeCanvas, String text, 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int start, int end, float x, 1788f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt float y, int flags, int paint); 1789fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 1790fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio private static native void native_drawTextWithGlyphs(int nativeCanvas, char[] text, 1791fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio int index, int count, float x, 1792fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio float y, int flags, int paint); 1793fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio private static native void native_drawTextWithGlyphs(int nativeCanvas, String text, 1794fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio int start, int end, float x, 1795fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio float y, int flags, int paint); 17969f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio private static native void native_drawGlyphs(int nativeCanvas, char[] glyphs, 17979f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio int index, int count, float x, 17989f82b580d744ce4baf057b061994394dcf239eedFabrice Di Meglio float y, int flags, int paint); 1799fcf2be1846935e7983ea2fe87fdd4d7af27764b6Fabrice Di Meglio 18000c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt private static native void native_drawTextRun(int nativeCanvas, String text, 18010c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int end, int contextStart, int contextEnd, 18020c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, int paint); 1803f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 18040c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt private static native void native_drawTextRun(int nativeCanvas, char[] text, 18050c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int start, int count, int contextStart, int contextCount, 18060c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float x, float y, int flags, int paint); 1807f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPosText(int nativeCanvas, 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] text, int index, 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count, float[] pos, 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPosText(int nativeCanvas, 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String text, float[] pos, 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paint); 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawTextOnPath(int nativeCanvas, 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] text, int index, 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count, int path, 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float hOffset, 18194beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float vOffset, int bidiFlags, 18204beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt int paint); 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawTextOnPath(int nativeCanvas, 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String text, int path, 18234beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float hOffset, 18244beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt float vOffset, 18254beb8ff7175ebd14b96942724a658f407d0b9951Doug Felt int flags, int paint); 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void native_drawPicture(int nativeCanvas, 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nativePicture); 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static native void finalizer(int nativeCanvas); 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1830