/**
* Copyright 2016 Marcel Piestansky (http://marpies.com)
*
* 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 com.marpies.ane.facedetection.utils;
import android.graphics.*;
import com.adobe.fre.FREBitmapData;
import com.adobe.fre.FREInvalidObjectException;
import com.adobe.fre.FREWrongThreadException;
public class BitmapDataUtils {
private static final float[] mBGRToRGBColorTransform =
{
0, 0, 1f, 0, 0,
0, 1f, 0, 0, 0,
1f, 0, 0, 0, 0,
0, 0, 0, 1f, 0
};
private static final ColorMatrixColorFilter mColorFilter = new ColorMatrixColorFilter(
new ColorMatrix( mBGRToRGBColorTransform )
);
/**
* Switch color channels
* http://stackoverflow.com/questions/17314467/bitmap-channels-order-different-in-android
*/
public static Bitmap getBitmap( FREBitmapData bitmapData ) throws FREWrongThreadException, FREInvalidObjectException {
bitmapData.acquire();
Bitmap bitmap = Bitmap.createBitmap( bitmapData.getWidth(), bitmapData.getHeight(), Bitmap.Config.ARGB_8888 );
Canvas canvas = new Canvas( bitmap );
Paint paint = new Paint();
paint.setColorFilter( mColorFilter );
bitmap.copyPixelsFromBuffer( bitmapData.getBits() );
bitmapData.release();
canvas.drawBitmap( bitmap, 0, 0, paint );
return bitmap;
}
}
