50 lines
1.1 KiB
Mathematica
50 lines
1.1 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 "RNSVGPattern.h"
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#import "RCTConvert+RNSVG.h"
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#import <React/RCTLog.h>
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@implementation RNSVGPattern
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{
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CGImageRef _image;
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CGRect _rect;
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}
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- (instancetype)initWithArray:(NSArray<id /* imagesource + numbers */> *)array
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{
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if ((self = [super initWithArray:array])) {
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if (array.count < 6) {
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RCTLogError(@"-[%@ %@] expects 6 elements, received %@",
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self.class, NSStringFromSelector(_cmd), array);
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return nil;
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}
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_image = CGImageRetain([RCTConvert CGImage:array[1]]);
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_rect = [RCTConvert RNSVGCGRect:array offset:2];
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}
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return self;
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}
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- (void)dealloc
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{
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CGImageRelease(_image);
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}
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// Note: This could use applyFillColor with a pattern. This could be more efficient but
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// to do that, we need to calculate our own user space CTM.
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- (void)paint:(CGContextRef)context opacity:(CGFloat)opacity brushConverter:(RNSVGPainter *)brushConverter;
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{
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CGContextDrawTiledImage(context, _rect, _image);
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}
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@end
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