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/**
* 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"
#import "RNSVGClipPath.h"
#import "RNSVGMask.h"
#ifdef RCT_NEW_ARCH_ENABLED
#import <React/RCTConversions.h>
#import <React/RCTFabricComponentsPlugins.h>
#import <react/renderer/components/rnsvg/ComponentDescriptors.h>
#import <react/renderer/components/view/conversions.h>
#import "RNSVGFabricConversions.h"
#endif // RCT_NEW_ARCH_ENABLED
@implementation RNSVGGroup {
RNSVGGlyphContext *_glyphContext;
}
#ifdef RCT_NEW_ARCH_ENABLED
using namespace facebook::react;
- (instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {
static const auto defaultProps = std::make_shared<const RNSVGGroupProps>();
_props = defaultProps;
}
return self;
}
#pragma mark - RCTComponentViewProtocol
+ (ComponentDescriptorProvider)componentDescriptorProvider
{
return concreteComponentDescriptorProvider<RNSVGGroupComponentDescriptor>();
}
- (void)updateProps:(Props::Shared const &)props oldProps:(Props::Shared const &)oldProps
{
const auto &newProps = *std::static_pointer_cast<const RNSVGGroupProps>(props);
setCommonGroupProps(newProps, self);
_props = std::static_pointer_cast<RNSVGGroupProps const>(props);
}
- (void)prepareForRecycle
{
[super prepareForRecycle];
_font = nil;
_glyphContext = nil;
}
#endif // RCT_NEW_ARCH_ENABLED
- (void)setFont:(NSDictionary *)font
{
if (font == _font) {
return;
}
[self invalidate];
_font = font;
}
- (void)renderLayerTo:(CGContextRef)context rect:(CGRect)rect
{
[self clip:context];
[self setupGlyphContext:context];
[self renderGroupTo:context rect:rect];
}
- (void)renderGroupTo:(CGContextRef)context rect:(CGRect)rect
{
[self pushGlyphContext];
__block CGRect bounds = CGRectNull;
[self traverseSubviews:^(RNSVGView *node) {
if ([node isKindOfClass:[RNSVGMask class]] || [node isKindOfClass:[RNSVGClipPath class]]) {
// no-op
} else if ([node isKindOfClass:[RNSVGNode class]]) {
RNSVGNode *svgNode = (RNSVGNode *)node;
if (svgNode.display && [@"none" isEqualToString:svgNode.display]) {
return YES;
}
if (svgNode.responsible && !self.svgView.responsible) {
self.svgView.responsible = YES;
}
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable *)node mergeProperties:self];
}
[svgNode renderTo:context rect:rect];
CGRect nodeRect = svgNode.clientRect;
if (!CGRectIsEmpty(nodeRect)) {
bounds = CGRectUnion(bounds, nodeRect);
}
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable *)node resetProperties];
}
} else if ([node isKindOfClass:[RNSVGSvgView class]]) {
RNSVGSvgView *svgView = (RNSVGSvgView *)node;
CGFloat width = [self relativeOnWidth:svgView.bbWidth];
CGFloat height = [self relativeOnHeight:svgView.bbHeight];
CGRect rect = CGRectMake(0, 0, width, height);
CGContextClipToRect(context, rect);
[svgView drawToContext:context withRect:rect];
} else {
[node drawRect:rect];
}
return YES;
}];
CGPathRef path = [self getPath:context];
[self setHitArea:path];
if (!CGRectEqualToRect(bounds, CGRectNull)) {
self.clientRect = bounds;
self.fillBounds = CGPathGetBoundingBox(path);
self.strokeBounds = CGPathGetBoundingBox(self.strokePath);
self.pathBounds = CGRectUnion(self.fillBounds, self.strokeBounds);
CGAffineTransform current = CGContextGetCTM(context);
CGAffineTransform svgToClientTransform = CGAffineTransformConcat(current, self.svgView.invInitialCTM);
self.ctm = svgToClientTransform;
self.screenCTM = current;
CGAffineTransform transform = CGAffineTransformConcat(self.matrix, self.transforms);
CGPoint mid = CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
CGPoint center = CGPointApplyAffineTransform(mid, transform);
self.bounds = bounds;
if (!isnan(center.x) && !isnan(center.y)) {
self.center = center;
}
self.frame = bounds;
}
[self popGlyphContext];
}
- (void)setupGlyphContext:(CGContextRef)context
{
CGRect clipBounds = CGContextGetClipBoundingBox(context);
clipBounds = CGRectApplyAffineTransform(clipBounds, self.matrix);
clipBounds = CGRectApplyAffineTransform(clipBounds, self.transforms);
CGFloat width = CGRectGetWidth(clipBounds);
CGFloat height = CGRectGetHeight(clipBounds);
_glyphContext = [[RNSVGGlyphContext alloc] initWithWidth:width height:height];
}
- (RNSVGGlyphContext *)getGlyphContext
{
return _glyphContext;
}
- (void)pushGlyphContext
{
__typeof__(self) __weak weakSelf = self;
[[self.textRoot getGlyphContext] pushContext:weakSelf font:self.font];
}
- (void)popGlyphContext
{
[[self.textRoot getGlyphContext] popContext];
}
- (void)renderPathTo:(CGContextRef)context rect:(CGRect)rect
{
[super renderLayerTo:context rect:rect];
}
- (CGPathRef)getPath:(CGContextRef)context
{
CGPathRef cached = self.path;
if (cached) {
return cached;
}
CGMutablePathRef __block path = CGPathCreateMutable();
[self traverseSubviews:^(RNSVGNode *node) {
if ([node isKindOfClass:[RNSVGNode class]] && ![node isKindOfClass:[RNSVGMask class]]) {
CGAffineTransform transform = CGAffineTransformConcat(node.matrix, node.transforms);
CGPathAddPath(path, &transform, [node getPath:context]);
CGPathAddPath(path, &transform, [node markerPath]);
node.dirty = false;
}
return YES;
}];
cached = CGPathRetain((CGPathRef)CFAutorelease(path));
self.path = cached;
return cached;
}
- (RNSVGPlatformView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
CGPoint transformed = CGPointApplyAffineTransform(point, self.invmatrix);
transformed = CGPointApplyAffineTransform(transformed, self.invTransform);
if (!CGRectContainsPoint(self.pathBounds, transformed)) {
return nil;
}
if (self.clipPath) {
RNSVGClipPath *clipNode = (RNSVGClipPath *)[self.svgView getDefinedClipPath:self.clipPath];
if ([clipNode isSimpleClipPath]) {
CGPathRef clipPath = [self getClipPath];
if (clipPath && !CGPathContainsPoint(clipPath, nil, transformed, clipNode.clipRule == kRNSVGCGFCRuleEvenodd)) {
return nil;
}
} else {
RNSVGRenderable *clipGroup = (RNSVGRenderable *)clipNode;
if (![clipGroup hitTest:transformed withEvent:event]) {
return nil;
}
}
}
if (!event) {
NSPredicate *const anyActive =
[NSPredicate predicateWithFormat:@"self isKindOfClass: %@ AND active == TRUE", [RNSVGNode class]];
NSArray *const filtered = [self.subviews filteredArrayUsingPredicate:anyActive];
if ([filtered count] != 0) {
return [filtered.lastObject hitTest:transformed withEvent:event];
}
}
for (RNSVGView *node in [self.subviews reverseObjectEnumerator]) {
if ([node isKindOfClass:[RNSVGNode class]]) {
if ([node isKindOfClass:[RNSVGMask class]]) {
continue;
}
RNSVGNode *svgNode = (RNSVGNode *)node;
if (event) {
svgNode.active = NO;
}
RNSVGPlatformView *hitChild = [svgNode hitTest:transformed withEvent:event];
if (hitChild) {
svgNode.active = YES;
return (svgNode.responsible || (svgNode != hitChild)) ? hitChild : self;
}
} else if ([node isKindOfClass:[RNSVGSvgView class]]) {
RNSVGSvgView *svgView = (RNSVGSvgView *)node;
RNSVGPlatformView *hitChild = [svgView hitTest:transformed withEvent:event];
if (hitChild) {
return hitChild;
}
}
}
RNSVGPlatformView *hitSelf = [super hitTest:transformed withEvent:event];
if (hitSelf) {
return hitSelf;
}
return nil;
}
- (void)parseReference
{
self.dirty = false;
if (self.name) {
__typeof__(self) __weak weakSelf = self;
[self.svgView defineTemplate:weakSelf templateName:self.name];
}
[self traverseSubviews:^(RNSVGNode *node) {
if ([node isKindOfClass:[RNSVGNode class]]) {
[node parseReference];
}
return YES;
}];
}
- (void)resetProperties
{
[self traverseSubviews:^(__kindof RNSVGNode *node) {
if ([node isKindOfClass:[RNSVGRenderable class]]) {
[(RNSVGRenderable *)node resetProperties];
}
return YES;
}];
}
@end
#ifdef RCT_NEW_ARCH_ENABLED
Class<RCTComponentViewProtocol> RNSVGGroupCls(void)
{
return RNSVGGroup.class;
}
#endif // RCT_NEW_ARCH_ENABLED