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2014/10/15 ¤U¤È 10:14:26
iphone Programming Glossary: startpointHow to animate one image over the unusual curve path in my iPad application? http://stackoverflow.com/questions/10705587/how-to-animate-one-image-over-the-unusual-curve-path-in-my-ipad-application this where all the points are normal CGPoints UIBezierPath arcingPath UIBezierPath bezierPath arcingPath moveToPoint startPoint arcingPath addCurveToPoint endPoint controlPoint1 controlPoint1 controlPoint2 controlPoint2 CGPathRef animationPath arcingPath..
How to draw a gradient line (fading in/out) with Core Graphics/iPhone? http://stackoverflow.com/questions/1303855/how-to-draw-a-gradient-line-fading-in-out-with-core-graphics-iphone context CGRectMake x y width height CGContextClip context CGContextDrawLinearGradient context gradient startPoint endPoint 0 CGContextRestoreGState context and everything works fine. Thanks to Brad Larson for the crucial hint. share..
Applying background gradient to a Grouple table cell http://stackoverflow.com/questions/1979165/applying-background-gradient-to-a-grouple-table-cell myColorspace components locations num_locations CGColorSpaceRelease myColorspace CGPoint startPoint endPoint startPoint.x 0.0 startPoint.y self.frame.size.height endPoint.x 0.0 endPoint.y 0.0 CGContextDrawLinearGradient.. myColorspace components locations num_locations CGColorSpaceRelease myColorspace CGPoint startPoint endPoint startPoint.x 0.0 startPoint.y self.frame.size.height endPoint.x 0.0 endPoint.y 0.0 CGContextDrawLinearGradient c myGradient startPoint.. components locations num_locations CGColorSpaceRelease myColorspace CGPoint startPoint endPoint startPoint.x 0.0 startPoint.y self.frame.size.height endPoint.x 0.0 endPoint.y 0.0 CGContextDrawLinearGradient c myGradient startPoint endPoint 0 const..
Referencing AppDelegate instance variables http://stackoverflow.com/questions/231947/referencing-appdelegate-instance-variables
How to fill a path with gradient in drawRect:? http://stackoverflow.com/questions/2985359/how-to-fill-a-path-with-gradient-in-drawrect CGContextSaveGState context CGContextAddEllipseInRect context rect CGContextClip context CGPoint startPoint CGPointMake CGRectGetMidX rect CGRectGetMinY rect CGPoint endPoint CGPointMake CGRectGetMidX rect CGRectGetMaxY rect CGContextDrawLinearGradient.. rect CGPoint endPoint CGPointMake CGRectGetMidX rect CGRectGetMaxY rect CGContextDrawLinearGradient context gradient startPoint endPoint 0 CGGradientRelease gradient gradient NULL CGContextRestoreGState context CGContextAddEllipseInRect context rect..
How to draw graphics in iphone gesture? http://stackoverflow.com/questions/6173685/how-to-draw-graphics-in-iphone-gesture UIGestureRecognizerStateChanged CGPoint location2 gR locationInView self panIndicator.frame self.bounds panIndicator.startPoint location panIndicator.endPoint location2 panIndicator setNeedsDisplay I don't know why PanIncicator drawRect doesn't get.. drawLinesFromData myData A draft for PanIndicator @interface PanIndicator UIView @property nonatomic assign CGPoint startPoint @property nonatomic assign CGPoint endPoint @end @implementation PanIndicator @synthesize startPoint startPoint_ @synthesize.. assign CGPoint startPoint @property nonatomic assign CGPoint endPoint @end @implementation PanIndicator @synthesize startPoint startPoint_ @synthesize endPoint endPoint_ void drawRect CGRect aRect UIColor redColor setStroke UIBezierPath pathToDraw..
Rotate a Sprite on a bezier path with touch - Cocos2D/Box2D http://stackoverflow.com/questions/7494795/rotate-a-sprite-on-a-bezier-path-with-touch-cocos2d-box2d a a1 float cos_ar cosf ar float sin_ar sinf ar return NSArray arrayWithObjects NSNumber numberWithFloat r cosf a1 startPoint.x NSNumber numberWithFloat r sinf a1 startPoint.y NSNumber numberWithFloat x2 cos_ar y2 sin_ar ctrlPoint1.x NSNumber numberWithFloat.. return NSArray arrayWithObjects NSNumber numberWithFloat r cosf a1 startPoint.x NSNumber numberWithFloat r sinf a1 startPoint.y NSNumber numberWithFloat x2 cos_ar y2 sin_ar ctrlPoint1.x NSNumber numberWithFloat x2 sin_ar y2 cos_ar ctrlPoint1.y NSNumber.. startAngle withEndAngle endAngle NSMutableArray bezierActions NSMutableArray array for NSArray curve in curves CGPoint startPoint ccpAdd ccp curve objectAtIndex 0 floatValue curve objectAtIndex 1 floatValue positionOffset CGPoint controlPoint1 ccpAdd..
Filling a portion of an image with color http://stackoverflow.com/questions/8124308/filling-a-portion-of-an-image-with-color pixel value for the portion void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject startPoint touches anyObject locationInView imageView NSLog @ the value of the index is i index NSString imageName NSString stringWithFormat..
iPhone: Tracking/Identifying individual touches http://stackoverflow.com/questions/913086/iphone-tracking-identifying-individual-touches event. So in touchesBegan you start tracking a touch. void touchesBegan NSSet touches withEvent UIEvent event NSString startPoint NSStringFromCGPoint touches anyObject locationInView self NSDictionary touchData NSDictionary dictionaryWithObjectsandKeys.. touches anyObject locationInView self NSDictionary touchData NSDictionary dictionaryWithObjectsandKeys startPoint @ location touches @ touch startingLocations addObject touchData I'm using an array of dictionaries to hold my touch data...
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