/**
 * 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 "RNSVGPainterBrush.h"
#import "RNSVGPainter.h"
#import "RCTConvert+RNSVG.h"
#import <React/RCTLog.h>

@implementation RNSVGPainterBrush

- (instancetype)initWithArray:(NSArray *)array
{
    if ((self = [super initWithArray:array])) {
        if (array.count != 2) {
            RCTLogError(@"-[%@ %@] expects 2 elements, received %@",
                        self.class, NSStringFromSelector(_cmd), array);
            return nil;
        }
        
        self.brushRef = [array objectAtIndex:1];
    }
    return self;
}

- (void)paint:(CGContextRef)context opacity:(CGFloat)opacity painter:(RNSVGPainter *)painter
{
    BOOL transparency = opacity < 1;
    if (transparency) {
        CGContextSetAlpha(context, opacity);
        CGContextBeginTransparencyLayer(context, NULL);
    }
    
    [painter paint:context];
    
    if (transparency) {
        CGContextEndTransparencyLayer(context);
    }
}

@end