private Bitmap decodeImage(String imageUri) throws IOException {
ViewScaleType viewScaleType = imageAware.getScaleType();
ImageDecodingInfo decodingInfo =
new ImageDecodingInfo(
memoryCacheKey, imageUri, targetSize, viewScaleType, getDownloader(), options);
return decoder.decode(decodingInfo);
}
/** Decodes image file into Bitmap, resize it and save it back */
private boolean resizeAndSaveImage(File targetFile, int maxWidth, int maxHeight)
throws IOException {
// Decode image file, compress and re-save it
ImageSize targetImageSize = new ImageSize(maxWidth, maxHeight);
DisplayImageOptions specialOptions =
new DisplayImageOptions.Builder()
.cloneFrom(options)
.imageScaleType(ImageScaleType.IN_SAMPLE_INT)
.build();
ImageDecodingInfo decodingInfo =
new ImageDecodingInfo(
memoryCacheKey,
Scheme.FILE.wrap(targetFile.getAbsolutePath()),
targetImageSize,
ViewScaleType.FIT_INSIDE,
getDownloader(),
specialOptions);
Bitmap bmp = decoder.decode(decodingInfo);
if (bmp != null && configuration.processorForDiscCache != null) {
log(LOG_PROCESS_IMAGE_BEFORE_CACHE_ON_DISC);
bmp = configuration.processorForDiscCache.process(bmp);
if (bmp == null) {
L.e(ERROR_PROCESSOR_FOR_DISC_CACHE_NULL, memoryCacheKey);
}
}
if (bmp != null) {
OutputStream os = new BufferedOutputStream(new FileOutputStream(targetFile), BUFFER_SIZE);
try {
bmp.compress(
configuration.imageCompressFormatForDiscCache,
configuration.imageQualityForDiscCache,
os);
} finally {
IoUtils.closeSilently(os);
}
bmp.recycle();
}
return true;
}