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[YogaKit] round-pixel view’s bounds

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vvveiii
2020-08-15 10:18:54 +08:00
parent 31fc173ee0
commit b498714d48
1 changed files with 17 additions and 20 deletions
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37
YogaKit/Source/YGLayout.m
View File

@@ -488,9 +488,14 @@ static void YGRemoveAllChildren(const YGNodeRef node) {
YGNodeRemoveAllChildren(node);
}
static CGFloat YGAlignPixelValue(CGFloat value) {
static inline CGPoint YGRoundPixelPosition(CGPoint p) {
CGFloat scale = YGScaleFactor();
return ceil(value * scale) / scale;
return (CGPoint) { .x = round(p.x * scale) / scale, .y = round(p.y * scale) / scale };
}
static inline CGSize YGAlignPixelSize(CGSize s) {
CGFloat scale = YGScaleFactor();
return (CGSize) { .width = ceil(s.width * scale) / scale, .height = ceil(s.height * scale) / scale };
}
static void YGApplyLayoutToViewHierarchy(UIView* view, BOOL preserveOrigin) {
@@ -537,17 +542,9 @@ static void YGApplyLayoutToViewHierarchy(UIView* view, BOOL preserveOrigin) {
: CGPointZero;
#endif
CGRect frame = (CGRect){
.origin =
{
.x = topLeft.x + origin.x,
.y = topLeft.y + origin.y,
},
.size =
{
.width = MAX(bottomRight.x - topLeft.x, 0),
.height = MAX(bottomRight.y - topLeft.y, 0),
},
CGRect frame = (CGRect) {
.origin = (CGPoint) { .x = topLeft.x + origin.x, .y = topLeft.y + origin.y, },
.size = (CGSize) { .width = MAX(bottomRight.x - topLeft.x, 0), .height = MAX(bottomRight.y - topLeft.y, 0), }
};
#if TARGET_OS_OSX
@@ -556,19 +553,19 @@ static void YGApplyLayoutToViewHierarchy(UIView* view, BOOL preserveOrigin) {
}
view.frame = (CGRect) {
.origin = frame.origin,
.size = CGSizeMake(YGAlignPixelValue(frame.size.width), YGAlignPixelValue(frame.size.height))
.origin = YGRoundPixelPosition(frame.origin),
.size = YGAlignPixelSize(frame.size)
};
#else
view.bounds = (CGRect) {
.origin = view.bounds.origin,
.size = CGSizeMake(YGAlignPixelValue(CGRectGetWidth(frame)), YGAlignPixelValue(CGRectGetHeight(frame)))
.size = YGAlignPixelSize(frame.size)
};
view.center = (CGPoint) {
.x = (CGFloat)(CGRectGetMinX(frame) + CGRectGetWidth(frame) * 0.5),
.y = (CGFloat)(CGRectGetMinY(frame) + CGRectGetHeight(frame) * 0.5)
};
view.center = YGRoundPixelPosition((CGPoint) {
.x = CGRectGetMinX(frame) + CGRectGetWidth(frame) * 0.5,
.y = CGRectGetMinY(frame) + CGRectGetHeight(frame) * 0.5
});
#endif
if (!yoga.isLeaf) {