Examples with BitmapRegionDecoder android.graphics.BitmapRegionDecoder used on opensource projects

Example 6 with BitmapRegionDecoder

use of android.graphics.BitmapRegionDecoder in project android-crop by jdamcd.

the class CropImageActivity method decodeRegionCrop.

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();
    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();
        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);
            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));
            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right, (int) adjusted.bottom);
        }
        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());
            if (croppedImage != null && (rect.width() > outWidth || rect.height() > outHeight)) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / rect.width(), (float) outHeight / rect.height());
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(), croppedImage.getHeight(), matrix, true);
            }
        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + "," + height + "," + exifRotation + ")", e);
        }
    } catch (IOException e) {
        Log.e("Error cropping image: " + e.getMessage(), e);
        setResultException(e);
    } catch (OutOfMemoryError e) {
        Log.e("OOM cropping image: " + e.getMessage(), e);
        setResultException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

Example 7 with BitmapRegionDecoder

use of android.graphics.BitmapRegionDecoder in project ion by koush.

the class LoadDeepZoom method onCompleted.

@Override
public void onCompleted(Exception e, final Response<File> response) {
    if (e == null)
        e = response.getException();
    if (e != null) {
        report(e, null);
        return;
    }
    final File tempFile = response.getResult();
    if (ion.bitmapsPending.tag(key) != this) {
        //            Log.d("IonBitmapLoader", "Bitmap load cancelled (no longer needed)");
        return;
    }
    Ion.getBitmapLoadExecutorService().execute(new Runnable() {

        @Override
        public void run() {
            FileInputStream fin = null;
            try {
                File file;
                // file cache will be null if the file is on the local file system already
                if (fileCache != null) {
                    fileCache.commitTempFiles(key, tempFile);
                    file = fileCache.getFile(key);
                } else {
                    // local file system, use the "temp" file as the source.
                    file = tempFile;
                }
                BitmapFactory.Options options = ion.getBitmapCache().prepareBitmapOptions(file, 0, 0);
                final Point size = new Point(options.outWidth, options.outHeight);
                if (animateGif && TextUtils.equals("image/gif", options.outMimeType)) {
                    fin = fileCache.get(key);
                    GifDecoder gifDecoder = new GifDecoder(ByteBuffer.wrap(StreamUtility.readToEndAsArray(fin)));
                    GifFrame frame = gifDecoder.nextFrame();
                    BitmapInfo info = new BitmapInfo(key, options.outMimeType, frame.image, size);
                    info.gifDecoder = gifDecoder;
                    report(null, info);
                    return;
                }
                BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(file.toString(), false);
                Bitmap bitmap = decoder.decodeRegion(new Rect(0, 0, size.x, size.y), options);
                if (bitmap == null)
                    throw new Exception("unable to load decoder");
                BitmapInfo info = new BitmapInfo(key, options.outMimeType, bitmap, size);
                info.decoder = decoder;
                info.decoderFile = file;
                info.servedFrom = response.getServedFrom();
                report(null, info);
            } catch (Exception e) {
                report(e, null);
            } finally {
                StreamUtility.closeQuietly(fin);
            }
        }
    });
}

Example 8 with BitmapRegionDecoder

use of android.graphics.BitmapRegionDecoder in project GalleryFinal by pengjianbo.

the class CropImageActivity method decodeRegionCrop.

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();
    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();
        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);
            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));
            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right, (int) adjusted.bottom);
        }
        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());
            if (croppedImage != null && (rect.width() > outWidth || rect.height() > outHeight)) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / rect.width(), (float) outHeight / rect.height());
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(), croppedImage.getHeight(), matrix, true);
            }
        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + "," + height + "," + exifRotation + ")", e);
        }
    } catch (IOException e) {
        ILogger.e(e);
        setCropSaveException(e);
    } catch (OutOfMemoryError e) {
        ILogger.e(e);
        setCropSaveException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

Example 9 with BitmapRegionDecoder

use of android.graphics.BitmapRegionDecoder in project weiciyuan by qii.

the class ImageUtility method getMiddlePictureInTimeLine.

public static Bitmap getMiddlePictureInTimeLine(String url, int reqWidth, int reqHeight, FileDownloaderHttpHelper.DownloadListener downloadListener) throws WeiboException {
    try {
        String filePath = FileManager.getFilePathFromUrl(url, FileLocationMethod.picture_bmiddle);
        File file = new File(filePath);
        if (!file.exists() && !SettingUtility.isEnablePic()) {
            return null;
        }
        if (!file.exists()) {
            getBitmapFromNetWork(url, filePath, downloadListener);
        }
        if (isGif(filePath)) {
            return getMiddlePictureInTimeLineGif(filePath, reqWidth, reqHeight);
        }
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(filePath, options);
        int height = options.outHeight;
        int width = options.outWidth;
        int cutHeight = 0;
        int cutWidth = 0;
        if (height >= reqHeight && width >= reqWidth) {
            cutHeight = reqHeight;
            cutWidth = reqWidth;
        } else if (height < reqHeight && width >= reqWidth) {
            cutHeight = height;
            cutWidth = (reqWidth * cutHeight) / reqHeight;
        } else if (height >= reqHeight && width < reqWidth) {
            cutWidth = width;
            cutHeight = (reqHeight * cutWidth) / reqWidth;
        } else if (height < reqHeight && width < reqWidth) {
            float betweenWidth = ((float) reqWidth - (float) width) / (float) width;
            float betweenHeight = ((float) reqHeight - (float) height) / (float) height;
            if (betweenWidth > betweenHeight) {
                cutWidth = width;
                cutHeight = (reqHeight * cutWidth) / reqWidth;
            } else {
                cutHeight = height;
                cutWidth = (reqWidth * cutHeight) / reqHeight;
            }
        }
        if (cutWidth > 0 && cutHeight > 0) {
            int startX = 0;
            if (cutWidth < width) {
                startX = (width - cutWidth) / 2;
            }
            try {
                BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(filePath, false);
                if (decoder != null) {
                    Bitmap bitmap = decoder.decodeRegion(new Rect(startX, 0, startX + cutWidth, cutHeight), null);
                    if (bitmap.getHeight() < reqHeight && bitmap.getWidth() < reqWidth) {
                        Bitmap scale = Bitmap.createScaledBitmap(bitmap, reqWidth, reqHeight, true);
                        if (scale != bitmap) {
                            bitmap.recycle();
                            bitmap = scale;
                        }
                    }
                    if (bitmap != null) {
                        Bitmap roundedCornerBitmap = ImageEditUtility.getRoundedCornerBitmap(bitmap);
                        if (roundedCornerBitmap != bitmap) {
                            bitmap.recycle();
                            bitmap = roundedCornerBitmap;
                        }
                        return bitmap;
                    }
                }
            } catch (IOException ignored) {
            }
        }
        return null;
    } catch (OutOfMemoryError ignored) {
        ignored.printStackTrace();
        return null;
    }
}

Example 10 with BitmapRegionDecoder

use of android.graphics.BitmapRegionDecoder in project AisenWeiBo by wangdan.

the class TimelineBitmapCompress method compress.

@Override
public Bitmap compress(byte[] bitmapBytes, File file, String url, ImageConfig config, int origW, int origH) throws Exception {
    Logger.v("ATimeline", "压缩小图片");
    Bitmap bitmap = null;
    int maxWidth = config.getMaxWidth() == 0 ? SystemUtils.getScreenWidth(GlobalContext.getInstance()) : config.getMaxWidth();
    int maxHeight = config.getMaxHeight() == 0 ? SystemUtils.getScreenHeight(GlobalContext.getInstance()) : config.getMaxHeight();
    // 如果高度比宽度在2倍以上，取高度的一部分
    if (origH * 1.0f / origW > 2) {
        int reqHeight = maxHeight;
        // 截取局部图片
        BitmapRegionDecoder bitmapDecoder = BitmapRegionDecoder.newInstance(bitmapBytes, 0, bitmapBytes.length, true);
        Rect rect = new Rect(0, 0, origW, reqHeight);
        bitmap = bitmapDecoder.decodeRegion(rect, null).copy(Config.ARGB_8888, true);
    } else {
        bitmap = BitmapDecoder.decodeSampledBitmapFromByte(bitmapBytes, maxWidth, maxHeight);
    }
    Logger.d(TAG, String.format("bitmap width = %d, height = %d", bitmap.getWidth(), bitmap.getHeight()));
    return bitmap;
}