GT2/GT2-Android/node_modules/react-native-svg/ios/Elements/RNSVGGroup.m

124 lines
3.1 KiB
Objective-C

/**
* Copyright (c) 2015-present, Horcrux.
* All rights reserved.
*
* This source code is licensed under the MIT-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RNSVGGroup.h"
@implementation RNSVGGroup
- (void)renderLayerTo:(CGContextRef)context
{
[self clip:context];
[self renderGroupTo:context];
}
- (void)renderGroupTo:(CGContextRef)context
{
RNSVGSvgView* svg = [self getSvgView];
[self traverseSubviews:^(RNSVGNode *node) {
if (node.responsible && !svg.responsible) {
svg.responsible = YES;
}
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable*)node mergeProperties:self];
}
[node renderTo:context];
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable*)node resetProperties];
}
return YES;
}];
}
- (void)renderPathTo:(CGContextRef)context
{
[super renderLayerTo:context];
}
- (CGPathRef)getPath:(CGContextRef)context
{
CGMutablePathRef __block path = CGPathCreateMutable();
[self traverseSubviews:^(RNSVGNode *node) {
CGAffineTransform transform = node.matrix;
CGPathAddPath(path, &transform, [node getPath:context]);
return YES;
}];
return (CGPathRef)CFAutorelease(path);
}
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event withTransform:(CGAffineTransform)transform
{
UIView *hitSelf = [super hitTest:point withEvent:event withTransform:transform];
if (hitSelf) {
return hitSelf;
}
CGAffineTransform matrix = CGAffineTransformConcat(self.matrix, transform);
CGPathRef clip = [self getClipPath];
if (clip) {
CGPathRef transformedClipPath = CGPathCreateCopyByTransformingPath(clip, &matrix);
BOOL insideClipPath = CGPathContainsPoint(clip, nil, point, self.clipRule == kRNSVGCGFCRuleEvenodd);
CGPathRelease(transformedClipPath);
if (!insideClipPath) {
return nil;
}
}
for (RNSVGNode *node in [self.subviews reverseObjectEnumerator]) {
if (![node isKindOfClass:[RNSVGNode class]]) {
continue;
}
if (event) {
node.active = NO;
} else if (node.active) {
return node;
}
UIView *hitChild = [node hitTest: point withEvent:event withTransform:matrix];
if (hitChild) {
node.active = YES;
return (node.responsible || (node != hitChild)) ? hitChild : self;
}
}
return nil;
}
- (void)parseReference
{
if (self.name) {
RNSVGSvgView* svg = [self getSvgView];
[svg defineTemplate:self templateName:self.name];
}
[self traverseSubviews:^(__kindof RNSVGNode *node) {
[node parseReference];
return YES;
}];
}
- (void)resetProperties
{
[self traverseSubviews:^(__kindof RNSVGNode *node) {
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable*)node resetProperties];
}
return YES;
}];
}
@end