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