Merge pull request avito-tech#24 from Kutashov/krop-renderer-updates

Krop renderer updates
Kutashov · Jan 26, 2021 · ce267c5 · ce267c5
2 parents 256e894 + 5b8d83d
commit ce267c5
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Showing 5 changed files with 36 additions and 3 deletions.
diff --git a/app/src/main/assets/default_image_vertical.jpg b/app/src/main/assets/default_image_vertical.jpg
diff --git a/krop/src/main/java/com/avito/android/krop/KropView.kt b/krop/src/main/java/com/avito/android/krop/KropView.kt
@@ -65,11 +65,33 @@ class KropView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         imageView.setZoom(scale)
     }
 
+    fun setMaxScale(scale: Float) {
+        imageView.maxZoom = scale
+    }
+
+    fun setMinScale(scale: Float) {
+        imageView.minZoom = scale
+    }
+
     fun setBitmap(bitmap: Bitmap) {
         this.bitmap = bitmap
         imageView.setImageBitmap(bitmap)
     }
 
+    fun setTransformation(transformation: Transformation) {
+        with(transformation) {
+            val scale = if (size.height > size.width) {
+                size.width / (crop.right - crop.left)
+            } else {
+                size.height / (crop.bottom - crop.top)
+            }
+            val focusX = (crop.right + crop.left) / (2 * size.width)
+            val focusY = (crop.bottom + crop.top) / (2 * size.height)
+
+            imageView.setZoom(scale = scale, focusX = focusX, focusY = focusY)
+        }
+    }
+
     fun getTransformation(): Transformation {
         val transformation = Transformation()
         val bitmap = bitmap ?: return transformation

diff --git a/krop/src/main/java/com/avito/android/krop/SizeF.kt b/krop/src/main/java/com/avito/android/krop/SizeF.kt
@@ -32,6 +32,11 @@ class SizeF(var width: Float = 0.0f, var height: Float = 0.0f) : Parcelable {
         return 0
     }
 
+    override fun toString(): String {
+        return "SizeF(width=$widthInt, height=$heightInt)"
+    }
+
+
     companion object CREATOR : Parcelable.Creator<SizeF> {
         override fun createFromParcel(parcel: Parcel): SizeF {
             return SizeF(parcel)

diff --git a/krop/src/main/java/com/avito/android/krop/Transformation.kt b/krop/src/main/java/com/avito/android/krop/Transformation.kt
@@ -33,6 +33,10 @@ class Transformation(var size: SizeF = SizeF(), var crop: RectF = RectF()) : Par
         return 0
     }
 
+    override fun toString(): String {
+        return "Transformation(size=$size, crop=$crop)"
+    }
+
     companion object CREATOR : Parcelable.Creator<Transformation> {
         override fun createFromParcel(parcel: Parcel): Transformation {
             return Transformation(parcel)

diff --git a/krop/src/main/java/com/avito/android/krop/ZoomableImageView.kt b/krop/src/main/java/com/avito/android/krop/ZoomableImageView.kt
@@ -143,10 +143,10 @@ class ZoomableImageView : ImageView {
         imgMatrix = Matrix()
         prevMatrix = Matrix()
         matrix = FloatArray(9)
-        currentZoom = 1.0f
+        currentZoom = DEFAULT_MIN_ZOOM
         imageScaleType = ScaleType.CENTER_CROP
-        minScale = 1.0f
-        maxScale = 5.0f
+        minScale = DEFAULT_MIN_ZOOM
+        maxScale = DEFAULT_MAX_ZOOM
         superMinScale = SUPER_MIN_MULTIPLIER * minScale
         superMaxScale = SUPER_MAX_MULTIPLIER * maxScale
         imageMatrix = imgMatrix
@@ -976,6 +976,8 @@ class ZoomableImageView : ImageView {
 
 }
 
+private const val DEFAULT_MIN_ZOOM = 1f
+private const val DEFAULT_MAX_ZOOM = 5f
 private const val SUPER_MIN_MULTIPLIER = .75f
 private const val SUPER_MAX_MULTIPLIER = 1.25f
 private const val ZOOM_TIME = 300f