#import "RNSVGUIKit.h"

@implementation RNSVGView
{
    NSColor *_tintColor;
}

- (CGPoint)center
{
    NSRect frameRect = self.frame;
    CGFloat xCenter = frameRect.origin.x + frameRect.size.width / 2;
    CGFloat yCenter = frameRect.origin.y + frameRect.size.height / 2;
    return CGPointMake(xCenter, yCenter);
}

- (void)setCenter:(CGPoint)point
{
    NSRect frameRect = self.frame;
    CGFloat xOrigin = frameRect.origin.x - frameRect.size.width / 2;
    CGFloat yOrigin = frameRect.origin.y - frameRect.size.height / 2;
    self.frame = CGRectMake(xOrigin, yOrigin, frameRect.size.width, frameRect.size.height);
}

- (NSColor *)tintColor
{
    if (_tintColor != nil) {
        return _tintColor;
    }

    // To mimic iOS's tintColor, we crawl up the view hierarchy until either:
    // (a) we find a valid color
    // (b) we reach a view that isn't an RNSVGView
    NSView *parentView = [self superview];
    if ([parentView isKindOfClass:[RNSVGView class]]) {
        return [(RNSVGView *)parentView tintColor];
    } else {
        return [NSColor controlAccentColor];
    }
}

- (void)setTintColor:(NSColor *)tintColor
{
    _tintColor = tintColor;
    [self setNeedsDisplay:YES];
}

@end


@implementation NSImage (RNSVGMacOSExtensions)

- (CGImageRef) CGImage
{
    return [self CGImageForProposedRect:NULL context:NULL hints:NULL];
}

@end


@implementation NSValue (RNSVGMacOSExtensions)

+ (NSValue *)valueWithCGAffineTransform:(CGAffineTransform)transform
{
    return [NSValue valueWithBytes:&transform objCType:@encode(CGAffineTransform)];
}

+ (NSValue *)valueWithCGPoint:(CGPoint)point
{
    return [NSValue valueWithBytes:&point objCType:@encode(CGPoint)];
}

- (CGAffineTransform)CGAffineTransformValue
{
    CGAffineTransform value;
    [self getValue:&value];
    return value;
}

- (CGPoint)CGPointValue
{
    CGPoint value;
    [self getValue:&value];
    return value;
}

@end