How effective is the CGContextSetInterpolationQuality method in Quartz? Doe开发者_运维技巧s it affect the quality of the image? If so, to what extent?
In a project I\'m working on, I have 3 images: top, middle, and bottom. Top and bottom are fixed height, and middle should be repeated in between the two. (The window size will be changing.) They all
I have a custom UITableViewCell modelled exactly from the custom UITableViewCell tutorials found here -
I need to develop a Iphone 2D app for school project. I don\'t have object C and C++ background. I just go through the Iphone App develop process on-line. Any suggestions to quickly build a 2D iphone
I have an NSAttributedString which I would like to draw into a CGImage so that I can later draw the CGImage into an NSView. Here\'s what I have so far:
Hello I want to make something l开发者_运维技巧ike \"smoke simulator\" using iPhone mic. What is the best and easiest way for doing this? Quartz2D OpenGL or something else?Take a look at cocos2D if yo
The CGWindowLeve开发者_如何学Pythonl.h file defines the constants that are used to set the window level and the largest value that can be used as window level is 20. But, if you retrieve the window li
I am simply trying to draw a bunch of lines to a view, depending on user interaction. For example, the 开发者_开发知识库user presses a button, and one line is drawn. The user presses another button, a
I have a problem drawing objects passing this graphic context CGContextRef context = UIGraphicsGetCurrentContext();
I have a reasonably complex hierarchy of UIImageViews.Originally, I was carefully swapping the sibling order when one UIImageView moved in front of another.Then I found out about myUIImageView.layer.z
加载中,请稍侯......