Since you can't use NSImage, you could try Core Image.
You can do all that with CGImage in your restricted environment. You can
use a bitmap or layer context and then later render it on whatever view
you wish.
There is a good Core Graphics Quartz tutorial at
http://developer.apple.com/docume
On Sep 25, 2008, at 3:52 AM, Christian Giordano wrote:
I think I found what to do. I need to create a bitmap context from the
bitmap and drawing there. It makes sense that everything drawn is
handled by contexts of course, I'm just a bit concerned about
performances.
Internally NSImage will b
I think I found what to do. I need to create a bitmap context from the
bitmap and drawing there. It makes sense that everything drawn is
handled by contexts of course, I'm just a bit concerned about
performances.
Thanks, chr
On Thu, Sep 25, 2008 at 7:35 AM, Christian Giordano
<[EMAIL PROTECTED]>
Hi Helder, I found this post that can be really helpful when I will
have to do my pixel operations:
http://www.rodgutierrez.com/blog/2008/07/how-to-create-a-rgba-cgimagere.html
I still have to find how to draw an CGImageRef in another one
regardless the current context, I'm still wondering if thi
Thanks Mike, I can't use NSImage (guess why) but a subset. Btw, the
problem I have is that I have a view which contains an image. I would
like to draw in the image, not in the container view so I need to
provide to the draw method the image context. Is this a good approach
or all the drawing should
On 24 Sep 2008, at 10:50, Christian Giordano wrote:
Hi guys, is there some good tutorial around about how to manipulate
bitmaps in Cocoa?
I would be interested on:
- copy portion of image over another with a mask (this should be
pretty straight forward with quartz2d)
[[NSImage alloc] initWi
Hi guys, is there some good tutorial around about how to manipulate
bitmaps in Cocoa?
I would be interested on:
- copy portion of image over another with a mask (this should be
pretty straight forward with quartz2d)
- apply threshold
- apply effects like blur
Not sure if some of this, like the b
