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Fix ClipPath with Text

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This commit is contained in:
Horcrux
2017-01-11 18:18:51 +08:00
parent 1381cd8fca
commit d7daee343c
6 changed files with 70 additions and 44 deletions
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ios/Text/RNSVGText.m
+19 -6
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@@ -26,12 +26,9 @@
- (void)renderLayerTo:(CGContextRef)context
{
[self setContextBoundingBox:CGContextGetClipBoundingBox(context)];
_glyphContext = [[RNSVGGlyphContext alloc] initWithConverters:[self getWidthConverter]
heightConverter:[self getHeightConverter]];
[self clip:context];
CGContextSaveGState(context);
[self setupGlyphContext:context];
CGAffineTransform transform = [self getAlignTransform:context];
CGContextConcatCTM(context, transform);
[self renderGroupTo:context];
@@ -39,6 +36,14 @@
CGContextRestoreGState(context);
}
- (void)setupGlyphContext:(CGContextRef)context
{
[self setContextBoundingBox:CGContextGetClipBoundingBox(context)];
_glyphContext = [[RNSVGGlyphContext alloc] initWithConverters:[self getWidthConverter]
heightConverter:[self getHeightConverter]];
}
// release the cached CGPathRef for RNSVGTSpan
- (void)releaseCachedPath
{
[self traverseSubviews:^BOOL(__kindof RNSVGNode *node) {
@@ -48,14 +53,22 @@
}];
}
- (CGPathRef)getPath:(CGContextRef)context
- (CGPathRef)getGroupPath:(CGContextRef)context
{
[self pushGlyphContext];
CGPathRef groupPath = [super getPath:context];
[self popGlyphContext];
return groupPath;
}
- (CGPathRef)getPath:(CGContextRef)context
{
[self setupGlyphContext:context];
CGPathRef groupPath = [self getGroupPath:context];
CGAffineTransform transform = [self getAlignTransform:context path:groupPath];
CGPathRef transformedPath = CGPathCreateCopyByTransformingPath(groupPath, &transform);
[self releaseCachedPath];
return transformedPath;
}
@@ -69,7 +82,7 @@
- (CGAffineTransform)getAlignTransform:(CGContextRef)context
{
return [self getAlignTransform:context path:[self getPath:context]];
return [self getAlignTransform:context path:[self getGroupPath:context]];
}
- (CGAffineTransform)getAlignTransform:(CGContextRef)context path:(CGPathRef)path