Allows to set individual (left,top,right,bottom) dotted/dashed borders (#29099)

Summary:
This issue:

fixes https://github.com/facebook/react-native/issues/24224 fixes https://github.com/facebook/react-native/issues/28695 fixes https://github.com/facebook/react-native/issues/23651 fixes https://github.com/facebook/react-native/issues/23475  fixes https://github.com/facebook/react-native/issues/22256 fixes https://github.com/facebook/react-native/issues/22226 fixes https://github.com/facebook/react-native/issues/19234 fixes  https://github.com/facebook/react-native/issues/18285  fixes https://github.com/facebook/react-native/issues/17344 fixes https://github.com/facebook/react-native/issues/17343 fixes https://github.com/facebook/react-native/issues/17251 fixes https://github.com/facebook/react-native/issues/12817 fixes https://github.com/facebook/react-native/issues/12403 fixes https://github.com/facebook/react-native/issues/11042 fixes https://github.com/facebook/react-native/issues/9343 fixes https://github.com/facebook/react-native/issues/8236 fixes https://github.com/facebook/react-native/issues/8105 fixes https://github.com/facebook/react-native/issues/7838 fixes https://github.com/facebook/react-native/issues/6721 fixes https://github.com/facebook/react-native/issues/5411 fixes https://github.com/facebook/react-native/issues/3159 fixes https://github.com/facebook/react-native/issues/2335 fixes https://github.com/facebook/react-native/issues/840 fixes https://github.com/facebook/react-native/issues/27133 fixes https://github.com/facebook/react-native/issues/28695

Allows to set individual (left,top,right,bottom) dotted/dashed borders.

If a single border is specified and the borderStyle is dotted or dashed, each border will be drawn with moveTo and lineTo taking in consideration of the border style and thickness.

## Changelog

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[Android] [Fixed] - Quickfix individual border style dotted or dashed rendering as solid

Pull Request resolved: https://github.com/facebook/react-native/pull/29099

Test Plan:
**<details><summary>CLICK TO OPEN TESTS RESULTS</summary>**
<p>

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158300-05e05800-aa6c-11ea-96a3-40007b2ca611.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158309-07aa1b80-aa6c-11ea-973b-51e8e68b5808.png"  width="300" height="" /> |

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158320-0d9ffc80-aa6c-11ea-9d7f-dfba49fbfe41.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158334-11cc1a00-aa6c-11ea-8422-cd5b9384f391.png"  width="300" height="" /> |

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158556-4c35b700-aa6c-11ea-9a4d-eea791b3813a.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158574-51930180-aa6c-11ea-8e84-526cfb168f49.png"  width="300" height="" /> |

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158586-55268880-aa6c-11ea-9540-51d79a8e4cb0.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158601-5952a600-aa6c-11ea-82e7-85d54b858f1a.png"  width="300" height="" /> |

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158638-62dc0e00-aa6c-11ea-8765-ecba0d9d126f.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158652-67a0c200-aa6c-11ea-8336-e6eb8aa52e96.png"  width="300" height="" /> |

| **AFTER** | **AFTER** |
|:-------------------------:|:-------------------------:|
| <img src="https://user-images.githubusercontent.com/24992535/84158690-738c8400-aa6c-11ea-9cf1-edec72d27cb7.png" width="300" height="" /> | <img src="https://user-images.githubusercontent.com/24992535/84158912-b6e6f280-aa6c-11ea-94a7-0ee0db685f38.png"  width="300" height="" /> |

</p>
</details>

Reviewed By: mdvacca

Differential Revision: D28688914

Pulled By: RSNara

fbshipit-source-id: 34781d63265dcf55e30f11c014e6b4a35d67dcbd

ReactAndroid/src/main/java/com/facebook/react/views/view/ReactViewBackgroundDrawable.java

@@ -89,6 +89,7 @@ public class ReactViewBackgroundDrawable extends Drawable {
   private @Nullable Path mOuterClipPathForBorderRadius;
   private @Nullable Path mPathForBorderRadiusOutline;
   private @Nullable Path mPathForBorder;
+  private Path mPathForSingleBorder = new Path();
   private @Nullable Path mCenterDrawPath;
   private @Nullable RectF mInnerClipTempRectForBorderRadius;
   private @Nullable RectF mOuterClipTempRectForBorderRadius;
@@ -968,6 +969,14 @@ public class ReactViewBackgroundDrawable extends Drawable {
     mPaint.setPathEffect(mPathEffectForBorderStyle);
   }
 
+  private void updatePathEffect(int borderWidth) {
+    PathEffect pathEffectForBorderStyle = null;
+    if (mBorderStyle != null) {
+      pathEffectForBorderStyle = BorderStyle.getPathEffect(mBorderStyle, borderWidth);
+    }
+    mPaint.setPathEffect(pathEffectForBorderStyle);
+  }
+
   /** For rounded borders we use default "borderWidth" property. */
   public float getFullBorderWidth() {
     return (mBorderWidth != null && !YogaConstants.isUndefined(mBorderWidth.getRaw(Spacing.ALL)))
@@ -1083,6 +1092,7 @@ public class ReactViewBackgroundDrawable extends Drawable {
               colorTop,
               colorRight,
               colorBottom);
+
       if (fastBorderColor != 0) {
         if (Color.alpha(fastBorderColor) != 0) {
           // Border color is not transparent.
@@ -1090,21 +1100,42 @@ public class ReactViewBackgroundDrawable extends Drawable {
           int bottom = bounds.bottom;
 
           mPaint.setColor(fastBorderColor);
+          mPaint.setStyle(Paint.Style.STROKE);
           if (borderLeft > 0) {
-            int leftInset = left + borderLeft;
+            mPathForSingleBorder.reset();
-            canvas.drawRect(left, top, leftInset, bottom - borderBottom, mPaint);
+            int width = Math.round(borderWidth.left);
+            updatePathEffect(width);
+            mPaint.setStrokeWidth(width);
+            mPathForSingleBorder.moveTo(left, top - borderWidth.top / 2);
+            mPathForSingleBorder.lineTo(left, bottom + borderWidth.bottom / 2);
+            canvas.drawPath(mPathForSingleBorder, mPaint);
           }
           if (borderTop > 0) {
-            int topInset = top + borderTop;
+            mPathForSingleBorder.reset();
-            canvas.drawRect(left + borderLeft, top, right, topInset, mPaint);
+            int width = Math.round(borderWidth.top);
+            updatePathEffect(width);
+            mPaint.setStrokeWidth(width);
+            mPathForSingleBorder.moveTo(left, top);
+            mPathForSingleBorder.lineTo(right, top);
+            canvas.drawPath(mPathForSingleBorder, mPaint);
           }
           if (borderRight > 0) {
-            int rightInset = right - borderRight;
+            mPathForSingleBorder.reset();
-            canvas.drawRect(rightInset, top + borderTop, right, bottom, mPaint);
+            int width = Math.round(borderWidth.right);
+            updatePathEffect(width);
+            mPaint.setStrokeWidth(width);
+            mPathForSingleBorder.moveTo(right, top - borderWidth.top / 2);
+            mPathForSingleBorder.lineTo(right, bottom + borderWidth.bottom / 2);
+            canvas.drawPath(mPathForSingleBorder, mPaint);
           }
           if (borderBottom > 0) {
-            int bottomInset = bottom - borderBottom;
+            mPathForSingleBorder.reset();
-            canvas.drawRect(left, bottomInset, right - borderRight, bottom, mPaint);
+            int width = Math.round(borderWidth.bottom);
+            updatePathEffect(width);
+            mPaint.setStrokeWidth(width);
+            mPathForSingleBorder.moveTo(left, bottom);
+            mPathForSingleBorder.lineTo(right, bottom);
+            canvas.drawPath(mPathForSingleBorder, mPaint);
           }
         }
       } else {

packages/rn-tester/js/examples/Border/BorderExample.js

@@ -23,6 +23,7 @@ const styles = StyleSheet.create({
   border1: {
     borderWidth: 10,
     borderColor: 'brown',
+    borderStyle: 'dotted',
   },
   borderRadius: {
     borderWidth: 10,
@@ -38,10 +39,10 @@ const styles = StyleSheet.create({
   },
   border3: {
     borderColor: 'purple',
-    borderTopWidth: 10,
+    borderTopWidth: 7,
     borderRightWidth: 20,
-    borderBottomWidth: 30,
+    borderBottomWidth: 10,
-    borderLeftWidth: 40,
+    borderLeftWidth: 5,
   },
   border4: {
     borderTopWidth: 10,
@@ -99,12 +100,14 @@ const styles = StyleSheet.create({
   },
   border8Left: {
     borderLeftWidth: 5,
+    borderStyle: 'dotted',
   },
   border8Bottom: {
     borderBottomWidth: 5,
   },
   border8Right: {
     borderRightWidth: 5,
+    borderStyle: 'dashed',
   },
   border9: {
     borderWidth: 10,