This is a completely rookie question but I\'m looking for some beginners guidance with opengl. I\'ve got an app that uses quartz 2d to draw static lines on a view. This has been working fine but we ar
I\'m writing an iPhone/iPad application that will allow a user to fill in blanks for notes.The notes will be different each week.I see downloading the notes in an XML format from our webserver.What I\
how to get pict info without using deprecated call to GetPictInfo ? Also, is there anyway to 开发者_如何学Goget pixmaphandle without using deprecated Api, i could not find any .I suggest you relearn h
I\'ve been asked to help fix a bug for a client, who is an inexperienced developer. However, I\'m absolutely stumped by this one.
I am trying to draw a line with a shadow but I do not want to keep the line but only the shadow. I have attempted to set the stroke color of the line to clear but when I do that the shadow also disa
I have an old code that uses开发者_开发百科, Rect r; GetPortBounds(some_bitmap,&r); PixMapHandle somehandle = GetGWorldPixMap(some_bitmap);
This code is not working and i do not understand the mistake. Please help. -(UIImage *)addText:(UIImage *)img text:(NSString *)text1
My app uses core graphics for custom finger paint drawing. I allow the user to change the alpha of the line and a new line is continuously drawn on touches moved. When I make the alpha lower than 1.0
This question already has answers here: Closed 11 years ago. Possible Duplicate: CGContextDrawAngleGradient?
I need to clear the current line graph and replace it with a new line graph, as and when I change the month (The createLineGraph method is called each time I change the month). What happens is that, p
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