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mirror of https://github.com/wasabeef/glide-transformations.git synced 2025-06-08 23:44:04 +08:00

add ColorFilter

This commit is contained in:
furiya-daichi 2015-01-11 22:44:23 +09:00
parent df437ddf13
commit 20f9351801

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package jp.wasabeef.glide.transformations;
/**
* Copyright (C) 2015 Wasabeef
*
* 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.
*/
import com.bumptech.glide.load.Transformation;
import com.bumptech.glide.load.engine.Resource;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.resource.bitmap.BitmapResource;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
public class ColorFilterTransformation implements Transformation<Bitmap> {
private BitmapPool mBitmapPool;
private int mColor;
public ColorFilterTransformation(BitmapPool pool, int color) {
mBitmapPool = pool;
mColor = color;
}
@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
Bitmap source = resource.get();
int width = source.getWidth();
int height = source.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColorFilter(new PorterDuffColorFilter(mColor, PorterDuff.Mode.SRC_ATOP));
canvas.drawBitmap(source, 0, 0, paint);
source.recycle();
return BitmapResource.obtain(bitmap, mBitmapPool);
}
@Override
public String getId() {
return "ColorFilterTransform(color=" + mColor + ")";
}
}