Tagged Questions

-1
votes
2answers
175 views

bump map from color map (RGB) generation?

Is there a library like PIL (Python Imaging Library) which takes a RGB image (pixel data) and generates a bump map image? If not, how can I do that? I know the results might not be very good. I know ...
2
votes
2answers
168 views

Splitting a texture atlas into seperate images [duplicate]

Possible Duplicate: How to decompose sprite sheet I'm doing a port of an existing game and the designer no longer has all of the original art; he only has the resulting texture atlases he ...
3
votes
2answers
659 views

OpenGL 3.0+ framebuffer to texture/images

I need a way to capture what is rendered on screen, i have read about glReadPixels but it looks really slow. Can you suggest a more efficient or just an alternative way for just copying what is ...
2
votes
2answers
210 views

there is a BLOB standard to store images in memory?

I would like to abstract all the images in memory, to do so i would like to have just 1 format of reference without talking about the usual file formats for the filesystem like JPG, TGA, and so on. I ...
0
votes
1answer
156 views

Image Processing in game engines

I'm going to try and use GEGL to allow real-time texture manipulation on an open-source 3D game engine. What are the most common and most needed operations used on images, textures in game engines? ...
5
votes
1answer
2k views

How to create a XNA texture from a GDI Image with source rectangle?

A Texture2D in XNA can only hold so much. Depending on which profile I use that limit is either 2048 or 4096 pixels wide. As far as I could tell from my research (someone correct me if I'm wrong) GDI ...
2
votes
2answers
617 views

State of the art in image compression?

I'm looking for good algorithms for compressing textures offline (ie decompressing them at install or load time, I know about using DXT/3DC to save runtime video memory, but these create awful visual ...
0
votes
1answer
516 views

How to render images/textures in shape/polygon form?

I'm working with SFML right now, and upon finishing the tutorials I still do not know how to give a shape a texture or image -- not just a solid color/outline. The only thing I know can take an ...
9
votes
2answers
211 views

Should the color of a texture be adjusted for display on a television?

If a 24bit RGB image with a range of 0-255 per channel is displayed on a television that displays a range of approx. 16-235 per channel, color detail will be lost, correct? If so, should images be ...