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Example 1 with ImageSize

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;
}
Also used : ImageScaleType(com.smartandroid.sa.zUImageLoader.core.assist.ImageScaleType) Bitmap(android.graphics.Bitmap) Matrix(android.graphics.Matrix) ImageSize(com.smartandroid.sa.zUImageLoader.core.assist.ImageSize)

Example 2 with ImageSize

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;
}
Also used : ImageScaleType(com.smartandroid.sa.zUImageLoader.core.assist.ImageScaleType) Options(android.graphics.BitmapFactory.Options) ImageSize(com.smartandroid.sa.zUImageLoader.core.assist.ImageSize)

Example 3 with ImageSize

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);
}
Also used : Options(android.graphics.BitmapFactory.Options) ImageSize(com.smartandroid.sa.zUImageLoader.core.assist.ImageSize)

Example 4 with ImageSize

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);
}
Also used : ImageSize(com.smartandroid.sa.zUImageLoader.core.assist.ImageSize) DisplayMetrics(android.util.DisplayMetrics)

Example 5 with ImageSize

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;
}
Also used : Bitmap(android.graphics.Bitmap) ImageSize(com.smartandroid.sa.zUImageLoader.core.assist.ImageSize) ImageDecodingInfo(com.smartandroid.sa.zUImageLoader.core.decode.ImageDecodingInfo) File(java.io.File)

Aggregations

ImageSize (com.smartandroid.sa.zUImageLoader.core.assist.ImageSize)6 Bitmap (android.graphics.Bitmap)3 Options (android.graphics.BitmapFactory.Options)2 ImageScaleType (com.smartandroid.sa.zUImageLoader.core.assist.ImageScaleType)2 Matrix (android.graphics.Matrix)1 DisplayMetrics (android.util.DisplayMetrics)1 ImageDecodingInfo (com.smartandroid.sa.zUImageLoader.core.decode.ImageDecodingInfo)1 File (java.io.File)1