CPGradient drawInBezierPath:angle:.

This commit is contained in:
Alexander Ljungberg
2013-02-06 16:36:33 +00:00
parent d1ebf8d697
commit 08ad614611
+33 -2
View File
@@ -27,6 +27,7 @@
@import "CGColor.j"
@import "CGColorSpace.j"
@import "CGGradient.j"
@import "CPBezierPath.j"
@import "CPGraphicsContext.j"
CPGradientDrawsBeforeStartingLocation = kCGGradientDrawsBeforeStartLocation;
@@ -88,7 +89,19 @@ CPGradientDrawsAfterEndingLocation = kCGGradientDrawsAfterEndLocation;
CGContextClipToRect(ctx, rect);
CGContextAddRect(ctx, rect);
var startPoint,
[self _drawAtAngle:angle];
CGContextRestoreGState(ctx);
}
/*!
@ignore like draw in rect but apply no clipping.
*/
- (void)_drawInRect:(CGRect)rect atAngle:(float)angle
{
var ctx = [[CPGraphicsContext currentContext] graphicsPort],
startPoint,
endPoint;
// Modulo of negative values doesn't work as expected in JS.
@@ -122,7 +135,25 @@ CPGradientDrawsAfterEndingLocation = kCGGradientDrawsAfterEndLocation;
startPoint.y + length * SIN(radians));
[self drawFromPoint:startPoint toPoint:endPoint options:CPGradientDrawsBeforeStartingLocation | CPGradientDrawsAfterEndingLocation];
CGContextRestoreGState(ctx);
}
- (void)drawInBezierPath:(CPBezierPath)aPath angle:(float)anAngle
{
[CPGraphicsContext saveGraphicsState];
var ctx = [[CPGraphicsContext currentContext] graphicsPort];
// Nail down the path which CGContextDrawLinearGradient will cause to be filled.
// Note we don't do this by clipping to the path and then calling drawInRect:atAngle:
// as this would cut off any antialias of the drawing, plus any active context shadow.
CGContextBeginPath(ctx);
CGContextAddPath(ctx, aPath._path);
CGContextSetLineWidth(ctx, [aPath lineWidth]);
CGContextClosePath(ctx);
[self _drawInRect:[aPath bounds] atAngle:anAngle];
[CPGraphicsContext restoreGraphicsState];
}
- (void)drawFromPoint:(NSPoint)startingPoint toPoint:(NSPoint)endingPoint options:(NSGradientDrawingOptions)options