Improve image cropping on android and introduce aspect ratio field (#1525)

* Fix image cropping on android

* Store and use aspect ratio field in post images (close #1392)

src/view/com/util/images/AutoSizedImage.tsx

@@ -11,6 +11,7 @@ const MAX_ASPECT_RATIO = 5 // 5/1
 interface Props {
   alt?: string
   uri: string
+  dimensionsHint?: Dimensions
   onPress?: () => void
   onLongPress?: () => void
   onPressIn?: () => void
@@ -21,6 +22,7 @@ interface Props {
 export function AutoSizedImage({
   alt,
   uri,
+  dimensionsHint,
   onPress,
   onLongPress,
   onPressIn,
@@ -29,7 +31,7 @@ export function AutoSizedImage({
 }: Props) {
   const store = useStores()
   const [dim, setDim] = React.useState<Dimensions | undefined>(
-    store.imageSizes.get(uri),
+    dimensionsHint || store.imageSizes.get(uri),
   )
   const [aspectRatio, setAspectRatio] = React.useState<number>(
     dim ? calc(dim) : 1,

src/view/com/util/post-embeds/index.tsx

@@ -93,7 +93,11 @@ export function PostEmbeds({
     const {images} = embed
 
     if (images.length > 0) {
-      const items = embed.images.map(img => ({uri: img.fullsize, alt: img.alt}))
+      const items = embed.images.map(img => ({
+        uri: img.fullsize,
+        alt: img.alt,
+        aspectRatio: img.aspectRatio,
+      }))
       const openLightbox = (index: number) => {
         store.shell.openLightbox(new ImagesLightbox(items, index))
       }
@@ -104,12 +108,13 @@ export function PostEmbeds({
       }
 
       if (images.length === 1) {
-        const {alt, thumb} = images[0]
+        const {alt, thumb, aspectRatio} = images[0]
         return (
           <View style={[styles.imagesContainer, style]}>
             <AutoSizedImage
               alt={alt}
               uri={thumb}
+              dimensionsHint={aspectRatio}
               onPress={() => openLightbox(0)}
               onPressIn={() => onPressIn(0)}
               style={[