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fix: border width top/bottom not matching the border radius #34362

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fix: border width top/bottom not matching the border radius #34362

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8 changes: 4 additions & 4 deletions ReactAndroid/src/main/java/com/facebook/react/views/view/ReactViewBackgroundDrawable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -791,7 +791,7 @@ private void updatePath() {

/** Compute mInnerTopLeftCorner */
mInnerTopLeftCorner.x = mInnerClipTempRectForBorderRadius.left;
mInnerTopLeftCorner.y = mInnerClipTempRectForBorderRadius.top;
mInnerTopLeftCorner.y = mInnerClipTempRectForBorderRadius.top * 2;
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Can you go into detail about why we multiply by 2?

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So basically, the reason for applying with 2 is that, the mInnerClipTempRectForBorderRadius without multiplying doesn't really curves the border at the end, which leaves the white space around the view. As you can see in the attached image and the issue as well. So after debugging it clicked that if the mInnerClipTempRectForBorderRadius can have twice the value we can have a nice curve around borders.


getEllipseIntersectionWithLine(
// Ellipse Bounds
Expand All @@ -817,7 +817,7 @@ private void updatePath() {
}

mInnerBottomLeftCorner.x = mInnerClipTempRectForBorderRadius.left;
mInnerBottomLeftCorner.y = mInnerClipTempRectForBorderRadius.bottom;
mInnerBottomLeftCorner.y = mInnerClipTempRectForBorderRadius.bottom * -2;

getEllipseIntersectionWithLine(
// Ellipse Bounds
Expand All @@ -843,7 +843,7 @@ private void updatePath() {
}

mInnerTopRightCorner.x = mInnerClipTempRectForBorderRadius.right;
mInnerTopRightCorner.y = mInnerClipTempRectForBorderRadius.top;
mInnerTopRightCorner.y = mInnerClipTempRectForBorderRadius.top * 2;

getEllipseIntersectionWithLine(
// Ellipse Bounds
Expand All @@ -869,7 +869,7 @@ private void updatePath() {
}

mInnerBottomRightCorner.x = mInnerClipTempRectForBorderRadius.right;
mInnerBottomRightCorner.y = mInnerClipTempRectForBorderRadius.bottom;
mInnerBottomRightCorner.y = mInnerClipTempRectForBorderRadius.bottom * -2;

getEllipseIntersectionWithLine(
// Ellipse Bounds
Expand Down