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circular corners

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This commit is contained in:
Michael Kirk 2018-07-06 11:33:08 -06:00
parent fadc6d7dcd
commit 51411f6618
1 changed files with 41 additions and 8 deletions
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49
Signal/src/ViewControllers/ConversationView/Cells/OWSBubbleView.m
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@ -161,19 +161,52 @@ const CGFloat kOWSMessageCellCornerRadius_Small = 2;
CGFloat bottomRounding
= (useSmallCorners_Bottom ? kOWSMessageCellCornerRadius_Small : kOWSMessageCellCornerRadius_Large);
const CGFloat topAngle = 3.0f * M_PI / 2.0f;
const CGFloat rightAngle = 0.0f;
const CGFloat bottomAngle = M_PI / 2.0f;
const CGFloat leftAngle = M_PI;
[bezierPath moveToPoint:CGPointMake(bubbleLeft + topRounding, bubbleTop)];
// top line
[bezierPath addLineToPoint:CGPointMake(bubbleRight - topRounding, bubbleTop)];
[bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight, bubbleTop + topRounding)
controlPoint:CGPointMake(bubbleRight, bubbleTop)];
// top right corner
[bezierPath addArcWithCenter:CGPointMake(bubbleRight - topRounding, bubbleTop + topRounding)
radius:topRounding
startAngle:topAngle
endAngle:rightAngle
clockwise:true];
// right line
[bezierPath addLineToPoint:CGPointMake(bubbleRight, bubbleBottom - bottomRounding)];
[bezierPath addQuadCurveToPoint:CGPointMake(bubbleRight - bottomRounding, bubbleBottom)
controlPoint:CGPointMake(bubbleRight, bubbleBottom)];
// bottom right corner
[bezierPath addArcWithCenter:CGPointMake(bubbleRight - bottomRounding, bubbleBottom - bottomRounding)
radius:bottomRounding
startAngle:rightAngle
endAngle:bottomAngle
clockwise:true];
// bottom line
[bezierPath addLineToPoint:CGPointMake(bubbleLeft + bottomRounding, bubbleBottom)];
[bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft, bubbleBottom - bottomRounding)
controlPoint:CGPointMake(bubbleLeft, bubbleBottom)];
// bottom left corner
[bezierPath addArcWithCenter:CGPointMake(bubbleLeft + bottomRounding, bubbleBottom - bottomRounding)
radius:bottomRounding
startAngle:bottomAngle
endAngle:leftAngle
clockwise:true];
// left line
[bezierPath addLineToPoint:CGPointMake(bubbleLeft, bubbleTop + topRounding)];
[bezierPath addQuadCurveToPoint:CGPointMake(bubbleLeft + topRounding, bubbleTop)
controlPoint:CGPointMake(bubbleLeft, bubbleTop)];
// top left corner
[bezierPath addArcWithCenter:CGPointMake(bubbleLeft + topRounding, bubbleTop + topRounding)
radius:topRounding
startAngle:leftAngle
endAngle:topAngle
clockwise:true];
return bezierPath;
}