add stretch to image scale type

client/android/div/src/main/java/com/yandex/div/core/view2/divs/BaseDivViewExtensions.kt

@@ -546,6 +546,7 @@ internal fun DivImageScale.toImageScale(): AspectImageView.Scale {
         DivImageScale.NO_SCALE -> AspectImageView.Scale.NO_SCALE
         DivImageScale.FIT -> AspectImageView.Scale.FIT
         DivImageScale.FILL -> AspectImageView.Scale.FILL
+        DivImageScale.STRETCH -> AspectImageView.Scale.STRETCH
     }
 }
 

client/android/div/src/main/java/com/yandex/div/internal/widget/AspectImageView.kt

@@ -129,25 +129,30 @@ open class AspectImageView @JvmOverloads constructor(
         val imageHeight = drawable.intrinsicHeight.toFloat()
         val absoluteGravity = GravityCompat.getAbsoluteGravity(gravity, ViewCompat.getLayoutDirection(this))
 
-        val scale = when (imageScale) {
+        val scaleX = when (imageScale) {
             Scale.NO_SCALE -> 1.0f
             Scale.FIT -> min(availableWidth / imageWidth, availableHeight / imageHeight)
             Scale.FILL -> max(availableWidth / imageWidth, availableHeight / imageHeight)
+            Scale.STRETCH -> availableWidth / imageWidth
+        }
+        val scaleY = when (imageScale) {
+            Scale.STRETCH -> availableHeight / imageHeight
+            else -> scaleX
         }
         val translationX = when (absoluteGravity and Gravity.HORIZONTAL_GRAVITY_MASK) {
-            Gravity.CENTER_HORIZONTAL -> (availableWidth - imageWidth * scale) / 2
-            Gravity.RIGHT -> availableWidth - imageWidth * scale
+            Gravity.CENTER_HORIZONTAL -> (availableWidth - imageWidth * scaleX) / 2
+            Gravity.RIGHT -> availableWidth - imageWidth * scaleX
             else -> 0.0f
         }
         val translationY = when (absoluteGravity and Gravity.VERTICAL_GRAVITY_MASK) {
-            Gravity.CENTER_VERTICAL -> (availableHeight - imageHeight * scale) / 2
-            Gravity.BOTTOM -> availableHeight - imageHeight * scale
+            Gravity.CENTER_VERTICAL -> (availableHeight - imageHeight * scaleY) / 2
+            Gravity.BOTTOM -> availableHeight - imageHeight * scaleY
             else -> 0.0f
         }
 
         transformMatrix.apply {
             reset()
-            postScale(scale, scale)
+            postScale(scaleX, scaleY)
             postTranslate(translationX, translationY)
         }
         imageMatrix = transformMatrix
@@ -156,6 +161,7 @@ open class AspectImageView @JvmOverloads constructor(
     enum class Scale {
         NO_SCALE,
         FIT,
-        FILL
+        FILL,
+        STRETCH
     }
 }

schema/div-image-scale.json

@@ -3,6 +3,7 @@
   "enum": [
     "fill",
     "no_scale",
-    "fit"
+    "fit",
+    "stretch"
   ]
 }