19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 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 19b786bbdd1164cf3ca7fcfb8448c7c619a82118a0Chris Craikimport android.annotation.NonNull; 20b786bbdd1164cf3ca7fcfb8448c7c619a82118a0Chris Craik 216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/** 226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * Shader used to draw a bitmap as a texture. The bitmap can be repeated or 236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * mirrored by setting the tiling mode. 246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy */ 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class BitmapShader extends Shader { 266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy /** 270ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy * Prevent garbage collection. 28f890fab5a6715548e520a6f010a3bfe7607ce56ePatrick Dubroy * @hide 290ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy */ 300ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"}) 31b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik public Bitmap mBitmap; 320ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy 33b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik private int mTileX; 34b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik private int mTileY; 35e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio 360ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy /** 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this to create a new shader that will draw with a bitmap. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik * @param bitmap The bitmap to use inside the shader 40b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik * @param tileX The tiling mode for x to draw the bitmap in. 41b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik * @param tileY The tiling mode for y to draw the bitmap in. 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 43b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik public BitmapShader(@NonNull Bitmap bitmap, @NonNull TileMode tileX, @NonNull TileMode tileY) { 448a6ad4a89d1b9ed61d3ec6f5bc12d479bc8d9f3bChris Craik this(bitmap, tileX.nativeInt, tileY.nativeInt); 45b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik } 46b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik 47b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik private BitmapShader(Bitmap bitmap, int tileX, int tileY) { 48b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik if (bitmap == null) { 49b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik throw new IllegalArgumentException("Bitmap must be non-null"); 50b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik } 51b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik if (bitmap == mBitmap && tileX == mTileX && tileY == mTileY) { 52b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik return; 53b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik } 540ba681bce12d522c5575dfccb5a6ca12f0fba746Romain Guy mBitmap = bitmap; 55e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio mTileX = tileX; 56e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio mTileY = tileY; 57b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik } 58b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik 59b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik @Override 60b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik long createNativeInstance(long nativeMatrix) { 61b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik return nativeCreate(nativeMatrix, mBitmap, mTileX, mTileY); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 64e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio /** 65e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio * @hide 66e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio */ 67e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio @Override 68e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio protected Shader copy() { 69e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio final BitmapShader copy = new BitmapShader(mBitmap, mTileX, mTileY); 70e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio copyLocalMatrix(copy); 71e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio return copy; 72e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio } 73e3c526f4f603e83c5fa8b9e399506b085f5648b7Fabrice Di Meglio 74b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik private static native long nativeCreate(long nativeMatrix, Bitmap bitmap, 75b581e6704fc1478bc1dda517502abd3eab2558d6Chris Craik int shaderTileModeX, int shaderTileModeY); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 77