2014/10/15 下午 10:12:27

iphone Programming Glossary: painted

How to erase finger paint on Custom UIView in iPhone

http://stackoverflow.com/questions/11132546/how-to-erase-finger-paint-on-custom-uiview-in-iphone

a finger paint application. Paint is working fine with custom UIView but my problem is that when I try to erase the painted path I am getting Error Invalid context Below is my class .h file @interface draw2D UIView CGPoint previousPoint CGPoint..

Removing text shadow in UITableViewCell when it's selected

http://stackoverflow.com/questions/1184014/removing-text-shadow-in-uitableviewcell-when-its-selected

the setSelected AND setHighlighted methods setting the drop shadow state accordingly. This will make sure it's painted at the same time as the background highlight update. void setHighlighted BOOL highlighted animated BOOL animated super setHighlighted..

How to animate stuff when using -drawRect:?

http://stackoverflow.com/questions/2708753/how-to-animate-stuff-when-using-drawrect

to animate stuff when using drawRect I didn't use subviews but painted my things with drawRect inside an UIView subclass. Now I want to do some animations in there. I guess that I can't count..

OpenGL: How to implement an “eraser” tool?

http://stackoverflow.com/questions/292071/opengl-how-to-implement-an-eraser-tool

has a drawing paint mechanic involved and I'm having problems trying to create a tool that would erase things already painted. The main problem is that the background being painted on is not a solid color but a static image or animation. I've tried.. trying to create a tool that would erase things already painted. The main problem is that the background being painted on is not a solid color but a static image or animation. I've tried using different blending options and logical operations..

Erase using brush in GLPaint

http://stackoverflow.com/questions/4048811/erase-using-brush-in-glpaint

of modifying the GLPaint I am trying to add erase functionality where user could select an eraser button and erase the painted area just as painting. I am trying have a conditional statement within renderLineFromPoint CGPoint start toPoint CGPoint..