Say I have an array of points that form a line and a text. How can I go about drawing the t开发者_如何学Cext along this line in
I am using UIView subclass to draw an alphabet using Core Graphics.Using this code only hollow characters are drwan(By Making the stroke color- black color).Here I need each pixel(Coordinate) position
I am trying to get each pixel point of a Square drawn using Core graphics.Here by making the stroke color black color,I am drawing the Square.Please give me an idea how I will get all pixel point on w
Actually I want to draw the background of a selected NSStatusItem on the CALayer of my custom statusItemView. But since
I have some custom, CoreAnimation based UI. I\'d like to implement mouse dragging开发者_StackOverflow中文版 of certain CALayers and I\'d like to stick an image of dragged layer to the cursor. The prob
I\'m creating an iPhone game and I need to load an image from a PNG file into OpenGL (and bind it as a texture). I\'m using function glTexImage2D to achieve this goal.
I have some development experience of CocoaTouch Layer, Core Service Layer iPhone Applications. Now, I have to migrate for some pure 2d and 3d graphical iPhone Applications.
I have overridden the drawRect: in my UIView and I want to draw several tiles. I\'m looping through them all and I have a separate function that draws each individual tile.
Can anyone recommend how开发者_运维知识库 I might be able to create a view transition that looks like a circle expanding from the center of the view?
i want to track finger touch and draw the path on top of the imageView. following is what i did: In the touch event: