/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.graphics; /** * Shader used to draw a bitmap as a texture. The bitmap can be repeated or * mirrored by setting the tiling mode. */ public class BitmapShader extends Shader { /** * Prevent garbage collection. * @hide */ @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"}) public final Bitmap mBitmap; /** * Call this to create a new shader that will draw with a bitmap. * * @param bitmap The bitmap to use inside the shader * @param tileX The tiling mode for x to draw the bitmap in. * @param tileY The tiling mode for y to draw the bitmap in. */ public BitmapShader(Bitmap bitmap, TileMode tileX, TileMode tileY) { mBitmap = bitmap; final int b = bitmap.ni(); native_instance = nativeCreate(b, tileX.nativeInt, tileY.nativeInt); native_shader = nativePostCreate(native_instance, b, tileX.nativeInt, tileY.nativeInt); } private static native int nativeCreate(int native_bitmap, int shaderTileModeX, int shaderTileModeY); private static native int nativePostCreate(int native_shader, int native_bitmap, int shaderTileModeX, int shaderTileModeY); }