In one of my apps, I have a custom drawn semitransparent UIView that I use as a cover on top of another UIView for a special effect.
I have the following code the only seems to use the last colour for the whole line..... I want the colour to be changing throughout this.Any ideas?
I am using UIGraphicsPushContext to push a context inside drawRect like so: - (void)drawRect:(CGRect)rect {
I have added sublayers to my UIView\'s layer. However, t开发者_Go百科he root layer(UIView\'s layer) is visible at background as white rectangle. How can I effeciently hide superlayer so there will be
Is there any real need to do this: CGFloat x = 10.0f; CGFloat y开发者_StackOverflow中文版 = 20.0f;
I have my very own minimal view class with this: - (void) awakeFromNib { NSLog(@\"awakeFromNib!\"); [self.layer setDelegate:self];
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Starting off with a default \"View based\" application I create a new view (ViewToDisplay, class that inherits from UIView) and inside this view I create a layer (LayerToDisplay). The view draws somet
In some code snippet - (void) drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx { CGContextSetFillColorWithColor(ctx, [[UIColor darkTextColor] CGColor]);
I need help to convert a color image to \"black and white\", not graysca开发者_Python百科le. I what to do this with the iPhone SDK and Core Graphics, as I\'m convinced this is possible.This is possib
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