protected Options prepareDecodingOptions(ImageSize imageSize, ImageDecodingInfo decodingInfo) {
ImageScaleType scaleType = decodingInfo.getImageScaleType();
int scale;
if (scaleType == ImageScaleType.NONE) {
scale = ImageSizeUtils.computeMinImageSampleSize(imageSize);
} else {
ImageSize targetSize = decodingInfo.getTargetSize();
boolean powerOf2 = scaleType == ImageScaleType.IN_SAMPLE_POWER_OF_2;
scale =
ImageSizeUtils.computeImageSampleSize(
imageSize, targetSize, decodingInfo.getViewScaleType(), powerOf2);
}
if (scale > 1 && loggingEnabled) {
L.d(
LOG_SABSAMPLE_IMAGE,
imageSize,
imageSize.scaleDown(scale),
scale,
decodingInfo.getImageKey());
}
Options decodingOptions = decodingInfo.getDecodingOptions();
decodingOptions.inSampleSize = scale;
return decodingOptions;
}
