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;
}