[Bf-python] Patch: Draw.Image() -- new method.

[joeedh]

Jonathan Merritt wrote:

> joeedh wrote:
>
>> I have to admit, all I intended to do was to modify the Image module 
>> to have a getGLBuffer method.  My knowledge of OpenGL doesn't include 
>> texture-mapping as yet, although as I understand it Image.glBindCode 
>> (or whatever it was) was supposed to allow this, but unfortunately 
>> required the image to be active and visible inside the UV image 
>> editer window.
>
>
>
> That method might be useful in addition to my plain image drawing 
> method...
>
> For example, in December, I plan to work on identifying and tracking 
> "markers" in images.  I plan to write a module to do this, which can 
> then be used for applications like camera matching for video 
> sequences, tracking a real object in order to replace it with a 
> virtual one (a lightsabre effect could be automated in this way), or 
> tracking a real object to acquire mocap data.   If I can access the 
> raw image data from a Blender.Image object then I can prototype my 
> code in Python first (and maybe use Pyrex for a final module if I'm 
> smart about it).  I already have non-GUI code to do this (it works 
> well :-) written in Java using the JAI.

Cool, that would be GREAT!!

>
>
> [NB: Besides just being "a nice thing to have", my plain image drawing 
> method is required because drawing zoomed, non-pixel-aligned images 
> with an origin outside of the scissor rectangle is not currently 
> possible using BGL, even if a getGLBuffer()-type method were 
> available.  To make it possible, it would be necessary to update 
> BGL.glBitmap() to allow a NULL bitmap pointer to be passed.]
>
> Jonathan Merritt.

Yeah, I noticed that when I was trying out the Python Imaging Library 
(PIL, which, by the way, slooww).

joeedh