fix percentage bug, add Svg element flex layout support

ios/RNSVGShape.m

@@ -52,7 +52,7 @@
             // draw ellipse
             CGFloat cx = [self getActualProp:@"cx" relative:width];
             CGFloat cy = [self getActualProp:@"cy" relative:height];
-            CGFloat rx = [self getActualProp:@"rx" relative:height];
+            CGFloat rx = [self getActualProp:@"rx" relative:width];
             CGFloat ry = [self getActualProp:@"ry" relative:height];
             CGPathAddEllipseInRect(path, nil, CGRectMake(cx - rx, cy - ry, rx * 2, ry * 2));
             break;
@@ -60,9 +60,9 @@
         case 2:
         {
             // draw line
-            CGFloat x1 = [self getActualProp:@"x1" relative:height];
+            CGFloat x1 = [self getActualProp:@"x1" relative:width];
             CGFloat y1 = [self getActualProp:@"y1" relative:height];
-            CGFloat x2 = [self getActualProp:@"x2" relative:height];
+            CGFloat x2 = [self getActualProp:@"x2" relative:width];
             CGFloat y2 = [self getActualProp:@"y2" relative:height];
             CGPathMoveToPoint(path, nil, x1, y1);
             CGPathAddLineToPoint(path, nil, x2, y2);

ios/RNSVGSvgView.h

@@ -11,5 +11,4 @@
 #import "RNSVGContainer.h"
 
 @interface RNSVGSvgView : UIView <RNSVGContainer>
-
 @end

ios/RNSVGSvgView.m

@@ -15,20 +15,20 @@
 
 - (void)invalidate
 {
-  [self setNeedsDisplay];
+    [self setNeedsDisplay];
 }
 
 - (void)drawRect:(CGRect)rect
 {
-  CGContextRef context = UIGraphicsGetCurrentContext();
-  for (RNSVGNode *node in self.subviews) {
-      [node renderTo:context];
-  }
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    for (RNSVGNode *node in self.subviews) {
+        [node renderTo:context];
+    }
 }
 
 - (void)reactSetInheritedBackgroundColor:(UIColor *)inheritedBackgroundColor
 {
-  self.backgroundColor = inheritedBackgroundColor;
+    self.backgroundColor = inheritedBackgroundColor;
 }
 
 @end

ios/ViewManagers/RNSVGSvgViewManager.m

@@ -16,7 +16,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [RNSVGSvgView new];
+    return [RNSVGSvgView new];
 }
 
 @end