Files
frameworks_base/graphics/java/android/graphics/BitmapShader.java
Fabrice Di Meglio e3c526f4f6 Fix Paint Shader copy
- Paint.setClassVariablesFrom(Paint paint) was using the same Shader
for the copy as the initial Paint. Make sure that we are using a copy.
- implement a copy() API for shaders

See bug #7034321 Need Drawable RTL support

Change-Id: I4b9cee386edc72ad670723266333b85f4d2b0ab8
2013-08-01 14:33:22 -07:00

65 lines
2.1 KiB
Java

/*
* 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;
private TileMode mTileX;
private TileMode mTileY;
/**
* 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;
mTileX = tileX;
mTileY = tileY;
final int b = bitmap.ni();
native_instance = nativeCreate(b, tileX.nativeInt, tileY.nativeInt);
native_shader = nativePostCreate(native_instance, b, tileX.nativeInt, tileY.nativeInt);
}
/**
* @hide
*/
@Override
protected Shader copy() {
final BitmapShader copy = new BitmapShader(mBitmap, mTileX, mTileY);
copyLocalMatrix(copy);
return copy;
}
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);
}