use of com.smartandroid.sa.zUImageLoader.core.assist.ImageSize in project SmartAndroidSource by jaychou2012.
the class BaseImageDecoder method considerExactScaleAndOrientatiton.
protected Bitmap considerExactScaleAndOrientatiton(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;
}
use of com.smartandroid.sa.zUImageLoader.core.assist.ImageSize in project SmartAndroidSource by jaychou2012.
the class BaseImageDecoder method prepareDecodingOptions.
protected Options prepareDecodingOptions(ImageSize imageSize, ImageDecodingInfo decodingInfo) {
ImageScaleType scaleType = decodingInfo.getImageScaleType();
int scale;
if (scaleType == ImageScaleType.NONE) {
scale = 1;
} else if (scaleType == ImageScaleType.NONE_SAFE) {
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_SUBSAMPLE_IMAGE, imageSize, imageSize.scaleDown(scale), scale, decodingInfo.getImageKey());
}
Options decodingOptions = decodingInfo.getDecodingOptions();
decodingOptions.inSampleSize = scale;
return decodingOptions;
}
use of com.smartandroid.sa.zUImageLoader.core.assist.ImageSize in project SmartAndroidSource by jaychou2012.
the class BaseImageDecoder method defineImageSizeAndRotation.
protected ImageFileInfo defineImageSizeAndRotation(InputStream imageStream, ImageDecodingInfo decodingInfo) throws IOException {
Options options = new Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeStream(imageStream, null, options);
ExifInfo exif;
String imageUri = decodingInfo.getImageUri();
if (decodingInfo.shouldConsiderExifParams() && canDefineExifParams(imageUri, options.outMimeType)) {
exif = defineExifOrientation(imageUri);
} else {
exif = new ExifInfo();
}
return new ImageFileInfo(new ImageSize(options.outWidth, options.outHeight, exif.rotation), exif);
}
use of com.smartandroid.sa.zUImageLoader.core.assist.ImageSize in project SmartAndroidSource by jaychou2012.
the class ImageLoaderConfiguration method getMaxImageSize.
ImageSize getMaxImageSize() {
DisplayMetrics displayMetrics = resources.getDisplayMetrics();
int width = maxImageWidthForMemoryCache;
if (width <= 0) {
width = displayMetrics.widthPixels;
}
int height = maxImageHeightForMemoryCache;
if (height <= 0) {
height = displayMetrics.heightPixels;
}
return new ImageSize(width, height);
}
use of com.smartandroid.sa.zUImageLoader.core.assist.ImageSize in project SmartAndroidSource by jaychou2012.
the class LoadAndDisplayImageTask method resizeAndSaveImage.
/** Decodes image file into Bitmap, resize it and save it back */
private boolean resizeAndSaveImage(int maxWidth, int maxHeight) throws IOException {
// Decode image file, compress and re-save it
boolean saved = false;
File targetFile = configuration.diskCache.get(uri);
if (targetFile != null && targetFile.exists()) {
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()), uri, targetImageSize, ViewScaleType.FIT_INSIDE, getDownloader(), specialOptions);
Bitmap bmp = decoder.decode(decodingInfo);
if (bmp != null && configuration.processorForDiskCache != null) {
L.d(LOG_PROCESS_IMAGE_BEFORE_CACHE_ON_DISK, memoryCacheKey);
bmp = configuration.processorForDiskCache.process(bmp);
if (bmp == null) {
L.e(ERROR_PROCESSOR_FOR_DISK_CACHE_NULL, memoryCacheKey);
}
}
if (bmp != null) {
saved = configuration.diskCache.save(uri, bmp);
bmp.recycle();
}
}
return saved;
}
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