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/*
* 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;
import android.annotation.NonNull;
/**
* 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(@NonNull Bitmap bitmap, TileMode tileX, TileMode tileY) {
mBitmap = bitmap;
mTileX = tileX;
mTileY = tileY;
init(nativeCreate(bitmap, tileX.nativeInt, tileY.nativeInt));
}
/**
* @hide
*/
@Override
protected Shader copy() {
final BitmapShader copy = new BitmapShader(mBitmap, mTileX, mTileY);
copyLocalMatrix(copy);
return copy;
}
private static native long nativeCreate(Bitmap bitmap, int shaderTileModeX,
int shaderTileModeY);
}
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