Re: Creating and Displaying Bitmap in CGContextRef

FROM : Mario Gajardo Tassara
DATE : Wed Feb 20 23:38:42 2008

Thanks David and Chris, your answers help me a lot , now my app draws 
to the screen :)

El 20-02-2008, a las 16:42, David Duncan escribió:

> On Feb 20, 2008, at 7:19 AM, Mario Gajardo Tassara wrote:
>

>> Im in the process of learning Quartz 2D programming API, and im 
>> trying to display a tiled image in a NSView, i wrote this code for 
>> creating a valid bitmap context and a routine for displaying a 
>> tiled image, but nothing is displayed, im not sure what`s wrong 
>> because my printf debugging statements show good info about the 
>> creation of the CGcontext and the loading of the image, any help 
>> will be appreciated, thanks:

>
>
> Your not drawing into the window at all. You need to get the 
> CGContext to draw to from the current NSGraphicsContext via:
>
> CGContextRef context = (CGContextRef)[[NSGraphicsContext 
> currentContext] graphicsPort];
>
> The bitmap context stuff you have looks like a red herring.
> --
> David Duncan
> Apple DTS Animation and Printing
> david.<email_removed>
>
>
>