Re: incorrect bitmap date from NSBitmapImageRep from NSDate
Re: incorrect bitmap date from NSBitmapImageRep from NSDate
- Subject: Re: incorrect bitmap date from NSBitmapImageRep from NSDate
- From: Alexander Spohr <email@hidden>
- Date: Fri, 12 Mar 2010 14:16:06 +0100
Exactly what does not work?
The loading? Or the opengl command?
If the latter I suspect that your file is not in the needed format.
Does your image have alpha?
atze
Am 12.03.2010 um 13:09 schrieb Ariel Feinerman:
> // not work
>
> NSData *data = [NSData dataWithContentsOfFile: filename];
>
> NSBitmapImageRep *image = [[NSBitmapImageRep alloc] initWithData: data];
>
>
> as opposed to:
>
> // works fine
>
> NSImage *source = [[NSImage alloc] initWithContentsOfFile: filename];
>
> NSSize size = [source size];
>
> [source lockFocus];
>
> NSBitmapImageRep *image = [[NSBitmapImageRep alloc] initWithFocusedViewRect:
> NSMakeRect(0.0, 0.0, size.width, size.height)];
>
> [source unlockFocus];
>
>
> // OpenGL commands
>
>
> gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, [image pixelsWide], [image
> pixelsHigh], GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, [image bitmapData]);
>
> why?
>
>
> as opposed to
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