com.bumptech.glide.load.Options#get ( )源码实例Demo

@SuppressWarnings("EmptyCatchBlock")
@Override
public boolean encode(@NonNull Resource<Bitmap> data, @NonNull File file, @NonNull Options options) {
  Log.i(TAG, "Encrypted resource encoder running: " + file.toString());

  Bitmap                bitmap  = data.get();
  Bitmap.CompressFormat format  = getFormat(bitmap, options);
  int                   quality = options.get(BitmapEncoder.COMPRESSION_QUALITY);

  try (OutputStream os = createEncryptedOutputStream(secret, file)) {
    bitmap.compress(format, quality, os);
    os.close();
    return true;
  } catch (IOException e) {
    Log.w(TAG, e);
    return false;
  }
}
 

@NonNull
private Bitmap.Config getDecodeFormat(@Nullable Options options) {
    DecodeFormat decodeFormat = options == null ? null : options.get(GifOptions.DECODE_FORMAT);
    if (decodeFormat == null) {
        return Bitmap.Config.ARGB_8888;
    }

    switch (decodeFormat) {
        case PREFER_RGB_565:
            return Bitmap.Config.RGB_565;

        case PREFER_ARGB_8888:
        default:
            return Bitmap.Config.ARGB_8888;
    }
}
 

private void prepareSvg(@NonNull Resource<SVG> toTranscode, @Nullable Options options) {
    if (!(toTranscode instanceof SvgResource)) {
        return;
    }

    DownsampleStrategy strategy =
            options == null ? null : options.get(DownsampleStrategy.OPTION);
    if (strategy != null) {
        float scaleFactor = strategy.getScaleFactor(
                Math.round(toTranscode.get().getDocumentWidth()),
                Math.round(toTranscode.get().getDocumentHeight()),
                ((SvgResource) toTranscode).getWidth(),
                ((SvgResource) toTranscode).getHeight()
        );
        SvgUtils.scaleDocumentSize(toTranscode.get(), scaleFactor);
    }
}
 

private Bitmap.CompressFormat getFormat(Bitmap bitmap, Options options) {
  Bitmap.CompressFormat format = options.get(BitmapEncoder.COMPRESSION_FORMAT);

  if (format != null) {
    return format;
  } else if (bitmap.hasAlpha()) {
    return Bitmap.CompressFormat.PNG;
  } else {
    return Bitmap.CompressFormat.JPEG;
  }
}
 

@Override
public boolean handles(@NonNull ByteBuffer source, @NonNull Options options) {
    return (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_WEBP_DECODER) && WebPParser.isAWebP(new ByteBufferReader(source)))
            || (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_APNG_DECODER) && APNGParser.isAPNG(new ByteBufferReader(source)))
            || (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_GIF_DECODER) && GifParser.isGif(new ByteBufferReader(source)));
}
 

@Override
public boolean handles(@NonNull InputStream source, @NonNull Options options) {
    return (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_WEBP_DECODER) && WebPParser.isAWebP(new StreamReader(source)))
            || (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_APNG_DECODER) && APNGParser.isAPNG(new StreamReader(source)))
            || (!options.get(AnimationDecoderOption.DISABLE_ANIMATION_GIF_DECODER) && GifParser.isGif(new StreamReader(source)));
}