I\'ve now added a bounty which will be awarded to anyone who can take the three images below and produce a working implementation of a UITableView that mimicks the look and feel of the one found in Ga
I\'m trying to draw the following image: Using this objective-c code: CGContextSetFillColorWithColor(ctx, [[UIColor redColor] CGColor]);
I want to draw an alpha mask image in code. Right now I do: 1) Create a bitmap context using CGBitmapContextCreate with options CGColorSpaceCreateDeviceRGB and kCGImageAlphaPremultipliedFirst.
I am learning game programming on Objective-C and typing code as I follow along this book. I\'ve been able to clean up all mistakes/errors thus far, but this one just escapes me.
I\'m trying to write a finger painting type app.I am starting a path in touchesBegan and adding to that path in touchesMoved.In touchesMoved, I use the following code:
I\'m developi开发者_开发百科ng an iPhone app. I have the following class: #import \"Triangulo.h\"
I want to implement alpha gradient on an image. From 0.5 alfa on top of the image to 0.0 on bottom. Any a开发者_JS百科dvice, tutorial, link is welcome.You can use CGImageCreateWithMask to apply a mask
I have a CGContextRef and I did my drawing stuff with the bitmap context. Now, I would like to have a function c开发者_C百科all to get a UIImage for the CGContextRef. How do I do that?Something like t
I am looking at way of finding the color space of a CGContext? CGBitmapContextGetColorSpace() will 开发者_JAVA技巧not work as I am working with general context and not bitmap context.
trying to draw circle divided to dynamically provided number of sectors. In the end my circle should look like pie.
加载中,请稍侯......