From 16a1f89bf6441c7699b14e7186910da5bd7a985d Mon Sep 17 00:00:00 2001
From: Horcrux <master@horcrux.cn>
Date: Thu, 21 Jul 2016 18:45:30 +0800
Subject: [PATCH] fix radial gradient memory leak

---
 Example/examples/Text.js          | 17 --------
 ios/Brushes/RNSVGBrushConverter.m | 66 +------------------------------
 2 files changed, 1 insertion(+), 82 deletions(-)

diff --git a/Example/examples/Text.js b/Example/examples/Text.js
index e8b17869..aad5a426 100644
--- a/Example/examples/Text.js
+++ b/Example/examples/Text.js
@@ -118,29 +118,12 @@ class TextFill extends Component{
 class TextPath extends Component{
     static title = 'Draw text along path';
 
-    constructor(...args) {
-        super(...args);
-        this.state = {
-            key: 0
-        };
-    }
-
-    componentDidMount() {
-        let self = this;
-        //setInterval(function () {
-        //    self.setState({
-        //        key: self.state.key + 1
-        //    });
-        //}, 50);
-    }
-
     render() {
         return <Svg
             height="60"
             width="200"
         >
             <Text
-                key={this.state.key}
                 fill="red"
                 path={`
                     M 10 20
diff --git a/ios/Brushes/RNSVGBrushConverter.m b/ios/Brushes/RNSVGBrushConverter.m
index 61ddf208..f2b164b0 100644
--- a/ios/Brushes/RNSVGBrushConverter.m
+++ b/ios/Brushes/RNSVGBrushConverter.m
@@ -59,72 +59,8 @@
     CGAffineTransform transform = CGAffineTransformMakeScale(1, ry / rx);
     CGContextConcatCTM(context, transform);
     CGContextDrawRadialGradient(context, gradient, CGPointMake(fx, fy), 0, CGPointMake(cx, cy), rx, extendOptions);
+    CGGradientRelease(gradient);
 }
 
 @end
 
-
-//{
-//    CGGradientRef _gradient;
-//}
-//
-//- (instancetype)initWithArray:(NSArray *)array
-//{
-//    if ((self = [super initWithArray:array])) {
-//        if (array.count < 7) {
-//            RCTLogError(@"-[%@ %@] expects 7 elements, received %@",
-//                        self.class, NSStringFromSelector(_cmd), array);
-//            return nil;
-//        }
-//        _points = [array subarrayWithRange:NSMakeRange(1, 6)];
-//
-//        NSMutableArray *gradient = [[NSMutableArray alloc] init];
-//        int count = ([array count] - 7) / 5;
-//        int startStops = [array count] - count;
-//        for (int i = 0; i < count; i++) {
-//            [gradient insertObject:[array objectAtIndex:(i * 4 + 7)] atIndex:(i * 4)];
-//            [gradient insertObject:[array objectAtIndex:(i * 4 + 8)] atIndex:(i * 4 + 1)];
-//            [gradient insertObject:[array objectAtIndex:(i * 4 + 9)] atIndex:(i * 4 + 2)];
-//            [gradient insertObject:[array objectAtIndex:(i * 4 + 10)] atIndex:(i * 4 + 3)];
-//            NSNumber *stop = [NSNumber numberWithFloat:[[array objectAtIndex:(startStops + (count - i - 1))] floatValue]];
-//
-//            [gradient insertObject:stop atIndex:i * 4 + 4];
-//
-//        }
-//
-//        _gradient = CGGradientRetain([RCTConvert CGGradient:gradient offset:0]);
-//    }
-//    return self;
-//}
-//
-//- (void)dealloc
-//{
-//    CGGradientRelease(_gradient);
-//}
-//
-//- (void)paint:(CGContextRef)context opacity:(CGFloat)opacity brushConverter:(RNSVGBrushConverter *)brushConverter;
-//{
-//
-//    CGRect box = CGContextGetClipBoundingBox(context);
-//    float height = CGRectGetHeight(box);
-//    float width = CGRectGetWidth(box);
-//    float midX = CGRectGetMidX(box);
-//    float midY = CGRectGetMidY(box);
-//    float offsetX = (midX - width / 2);
-//    float offsetY = (midY - height / 2);
-//
-//
-//    RNSVGPercentageConverter* convert = [[RNSVGPercentageConverter alloc] init];
-//    CGFloat rx = [convert stringToFloat:(NSString *)[_points objectAtIndex:2] relative:width offset:0];
-//    CGFloat ry = [convert stringToFloat:(NSString *)[_points objectAtIndex:3] relative:height offset:0];
-//    CGFloat fx = [convert stringToFloat:(NSString *)[_points objectAtIndex:0] relative:width offset:offsetX];
-//    CGFloat fy = [convert stringToFloat:(NSString *)[_points objectAtIndex:1] relative:height offset:offsetY] / (ry / rx);
-//    CGFloat cx = [convert stringToFloat:(NSString *)[_points objectAtIndex:4] relative:width offset:offsetX];
-//    CGFloat cy = [convert stringToFloat:(NSString *)[_points objectAtIndex:5] relative:height offset:offsetY] / (ry / rx);
-//
-//    CGAffineTransform transform = CGAffineTransformMakeScale(1, ry / rx);
-//    CGContextConcatCTM(context, transform);
-//    CGGradientDrawingOptions extendOptions = kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
-//
-//    CGContextDrawRadialGradient(context, _gradient, CGPointMake(fx, fy), 0, CGPointMake(cx, cy), rx, extendOptions);
-//}