Example #1
0
  private GenericRequestBuilder buildDraftGlideRequest(Slide slide, MasterSecret masterSecret) {
    final DrawableTypeRequest<?> request;
    if (masterSecret == null) request = Glide.with(getContext()).load(slide.getThumbnailUri());
    else
      request =
          Glide.with(getContext()).load(new DecryptableUri(masterSecret, slide.getThumbnailUri()));

    return request
        .transform(new RoundedCorners(getContext(), false, radius, backgroundColorHint))
        .listener(new PduThumbnailSetListener(slide.getPart()));
  }
  private PhotoView showGlidePicForUri(final int position, final PhotoView img, Uri uri) {
    Log.d("", "hc gallery show uri:" + (uri == null ? "null" : uri.toString()));
    BitmapFactory.Options opt = new BitmapFactory.Options();
    opt.inJustDecodeBounds = true;
    InputStream inputStream = null;
    try {
      inputStream = context.getContentResolver().openInputStream(uri);
      BitmapFactory.decodeStream(inputStream, null, opt);
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
    // 获取到这个图片的原始宽度和高度
    int picWidth = opt.outWidth;
    int picHeight = opt.outHeight;
    int newWidth = 0;
    int newHeight = 0;
    Log.d("", "preview mms or smms image:wh=" + picWidth + "*" + picHeight);
    // 读取图片失败时直接返回
    if (picWidth == 0 || picHeight == 0 || picWidth == -1 || picHeight == -1) {
      return img;
    }
    int screenH = ScreenUtils.getScreenH();
    int screenW = ScreenUtils.getScreenW();

    float pic_ratio = (float) picHeight / (float) picWidth;
    float screen_ratio = (float) screenH / (float) screenW;

    /*
       a、先获取图片、屏幕的比例。
       b、对比两个比例,图片的比例大就是高可能超出了边界。图片的比例小就是宽可能超出边界。
       c、对比比例大的那个边,看是否大于屏幕,没有就用图片自己的大小,如果有就进行各自的缩放。按比例缩放。
    */
    if (pic_ratio > screen_ratio) { // 高可能超出屏幕高
      if (picHeight > screenH) { // 就缩放
        newHeight = screenH;
        newWidth = (picWidth * newHeight) / picHeight;
      } else { // 没有超就按照原始大小
        newHeight = picHeight;
        newWidth = picWidth;
      }
    } else {
      if (picWidth > screenW) {
        newWidth = screenW;
        newHeight = (picHeight * newWidth) / picWidth;
      } else {
        newHeight = picHeight;
        newWidth = picWidth;
      }
    }

    DrawableTypeRequest<Uri> requst = Glide.with(context).loadFromMediaStore(uri);
    requst
        .listener(
            new RequestListener<Uri, GlideDrawable>() {
              @Override
              public boolean onException(
                  Exception e, Uri model, Target<GlideDrawable> target, boolean isFirstResource) {
                setEnableOfButton(position, false);
                galleryitem_pb.setVisibility(View.GONE);
                //                    img.setBackgroundResource(R.drawable.ic_image_failure);
                return false;
              }

              @Override
              public boolean onResourceReady(
                  GlideDrawable resource,
                  Uri model,
                  Target<GlideDrawable> target,
                  boolean isFromMemoryCache,
                  boolean isFirstResource) {
                setEnableOfButton(position, true);
                //                    img.setBackgroundResource(0);
                return false;
              }
            })
        .dontAnimate()
        .fitCenter()
        .diskCacheStrategy(DiskCacheStrategy.NONE);

    //            if (newHeight == picHeight && newWidth == picWidth) {
    //                requst.override(newWidth, newHeight);
    //            }
    requst.into(img);
    return img;
  }