Examples with ExifInterface android.media.ExifInterface used on opensource projects

Example 6 with ExifInterface

use of android.media.ExifInterface in project android_frameworks_base by ResurrectionRemix.

the class ExifInterfaceTest method testSaveAttributes_withFileDescriptor.

private void testSaveAttributes_withFileDescriptor(File imageFile, ExpectedValue expectedValue) throws IOException {
    String verboseTag = imageFile.getName();
    FileDescriptor fd = null;
    try {
        fd = Os.open(imageFile.getAbsolutePath(), OsConstants.O_RDWR, 0600);
        ExifInterface exifInterface = new ExifInterface(fd);
        exifInterface.saveAttributes();
        Os.lseek(fd, 0, OsConstants.SEEK_SET);
        exifInterface = new ExifInterface(fd);
        compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
        // Test for modifying one attribute.
        String backupValue = exifInterface.getAttribute(ExifInterface.TAG_MAKE);
        exifInterface.setAttribute(ExifInterface.TAG_MAKE, "abc");
        exifInterface.saveAttributes();
        Os.lseek(fd, 0, OsConstants.SEEK_SET);
        exifInterface = new ExifInterface(fd);
        assertEquals("abc", exifInterface.getAttribute(ExifInterface.TAG_MAKE));
        // Restore the backup value.
        exifInterface.setAttribute(ExifInterface.TAG_MAKE, backupValue);
        exifInterface.saveAttributes();
        Os.lseek(fd, 0, OsConstants.SEEK_SET);
        exifInterface = new ExifInterface(fd);
        compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    } catch (ErrnoException e) {
        throw e.rethrowAsIOException();
    } finally {
        IoUtils.closeQuietly(fd);
    }
}

Example 7 with ExifInterface

use of android.media.ExifInterface in project UltimateAndroid by cymcsg.

the class CropUtil method copyExifRotation.

public static boolean copyExifRotation(File sourceFile, File destFile) {
    if (sourceFile == null || destFile == null)
        return false;
    try {
        ExifInterface exifSource = new ExifInterface(sourceFile.getAbsolutePath());
        ExifInterface exifDest = new ExifInterface(destFile.getAbsolutePath());
        exifDest.setAttribute(ExifInterface.TAG_ORIENTATION, exifSource.getAttribute(ExifInterface.TAG_ORIENTATION));
        exifDest.saveAttributes();
        return true;
    } catch (IOException e) {
        Log.e("Error copying Exif data", e);
        return false;
    }
}

Example 8 with ExifInterface

use of android.media.ExifInterface in project xUtils by wyouflf.

the class BitmapCache method rotateBitmapIfNeeded.

private synchronized Bitmap rotateBitmapIfNeeded(String uri, BitmapDisplayConfig config, Bitmap bitmap) {
    Bitmap result = bitmap;
    if (config != null && config.isAutoRotation()) {
        File bitmapFile = this.getBitmapFileFromDiskCache(uri);
        if (bitmapFile != null && bitmapFile.exists()) {
            ExifInterface exif = null;
            try {
                exif = new ExifInterface(bitmapFile.getPath());
            } catch (Throwable e) {
                return result;
            }
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);
            int angle = 0;
            switch(orientation) {
                case ExifInterface.ORIENTATION_ROTATE_90:
                    angle = 90;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_180:
                    angle = 180;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_270:
                    angle = 270;
                    break;
                default:
                    angle = 0;
                    break;
            }
            if (angle != 0) {
                Matrix m = new Matrix();
                m.postRotate(angle);
                result = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
                bitmap.recycle();
                bitmap = null;
            }
        }
    }
    return result;
}

Example 9 with ExifInterface

use of android.media.ExifInterface in project android_frameworks_base by AOSPA.

the class ExifInterfaceTest method testSaveAttributes_withFileName.

private void testSaveAttributes_withFileName(File imageFile, ExpectedValue expectedValue) throws IOException {
    String verboseTag = imageFile.getName();
    ExifInterface exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    // Test for modifying one attribute.
    String backupValue = exifInterface.getAttribute(ExifInterface.TAG_MAKE);
    exifInterface.setAttribute(ExifInterface.TAG_MAKE, "abc");
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    assertEquals("abc", exifInterface.getAttribute(ExifInterface.TAG_MAKE));
    // Restore the backup value.
    exifInterface.setAttribute(ExifInterface.TAG_MAKE, backupValue);
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
}

Example 10 with ExifInterface

use of android.media.ExifInterface in project platform_frameworks_base by android.

the class ExifInterfaceTest method testSaveAttributes_withInputStream.

private void testSaveAttributes_withInputStream(File imageFile, ExpectedValue expectedValue) throws IOException {
    InputStream in = null;
    try {
        in = getContext().getAssets().open(imageFile.getName());
        ExifInterface exifInterface = new ExifInterface(in);
        exifInterface.saveAttributes();
    } catch (UnsupportedOperationException e) {
        // created with InputStream.
        return;
    } finally {
        IoUtils.closeQuietly(in);
    }
    fail("Should not reach here!");
}