/**
 * 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 "RNSVGRenderable.h"

@implementation RNSVGRenderable

- (void)setFill:(RNSVGBrush *)fill
{
    [self invalidate];
    _fill = fill;
}

- (void)setStroke:(CGColorRef)stroke
{
    if (stroke == _stroke) {
        return;
    }
    [self invalidate];
    CGColorRelease(_stroke);
    _stroke = CGColorRetain(stroke);
}

- (void)setStrokeWidth:(CGFloat)strokeWidth
{
    [self invalidate];
    _strokeWidth = strokeWidth;
}

- (void)setStrokeLinecap:(CGLineCap)strokeLinecap
{
    [self invalidate];
    _strokeLinecap = strokeLinecap;
}

- (void)setStrokeJoin:(CGLineJoin)strokeLinejoin
{
    [self invalidate];
    _strokeLinejoin = strokeLinejoin;
}

- (void)setStrokeDash:(RNSVGCGFloatArray)strokeDash
{
    if (strokeDash.array == _strokeDash.array) {
        return;
    }
    if (_strokeDash.array) {
        free(_strokeDash.array);
    }
    [self invalidate];
    _strokeDash = strokeDash;
}

- (void)dealloc
{
    CGColorRelease(_stroke);
    if (_strokeDash.array) {
        free(_strokeDash.array);
    }
}

- (void)renderTo:(CGContextRef)context
{
    if (self.opacity <= 0 || self.opacity >= 1 || (self.fill && self.stroke)) {
        // If we have both fill and stroke, we will need to paint this using normal compositing
        [super renderTo: context];
        return;
    }
    // This is a terminal with only one painting. Therefore we don't need to paint this
    // off-screen. We can just composite it straight onto the buffer.
    CGContextSaveGState(context);
    CGContextConcatCTM(context, self.transform);
    CGContextSetAlpha(context, self.opacity);
    [self renderLayerTo:context];
    CGContextRestoreGState(context);
}

- (void)renderLayerTo:(CGContextRef)context
{
    // abstract
}

@end