protected Bitmap considerExactScaleAndOrientaiton( Bitmap subsampledBitmap, ImageDecodingInfo decodingInfo, int rotation, boolean flipHorizontal) { Matrix m = new Matrix(); // Scale to exact size if need ImageScaleType scaleType = decodingInfo.getImageScaleType(); if (scaleType == ImageScaleType.EXACTLY || scaleType == ImageScaleType.EXACTLY_STRETCHED) { ImageSize srcSize = new ImageSize(subsampledBitmap.getWidth(), subsampledBitmap.getHeight(), rotation); float scale = ImageSizeUtils.computeImageScale( srcSize, decodingInfo.getTargetSize(), decodingInfo.getViewScaleType(), scaleType == ImageScaleType.EXACTLY_STRETCHED); if (Float.compare(scale, 1f) != 0) { m.setScale(scale, scale); if (loggingEnabled) { L.d(LOG_SCALE_IMAGE, srcSize, srcSize.scale(scale), scale, decodingInfo.getImageKey()); } } } // Flip bitmap if need if (flipHorizontal) { m.postScale(-1, 1); if (loggingEnabled) L.d(LOG_FLIP_IMAGE, decodingInfo.getImageKey()); } // Rotate bitmap if need if (rotation != 0) { m.postRotate(rotation); if (loggingEnabled) L.d(LOG_ROTATE_IMAGE, rotation, decodingInfo.getImageKey()); } Bitmap finalBitmap = Bitmap.createBitmap( subsampledBitmap, 0, 0, subsampledBitmap.getWidth(), subsampledBitmap.getHeight(), m, true); if (finalBitmap != subsampledBitmap) { subsampledBitmap.recycle(); } return finalBitmap; }