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DevIL TODO:
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- IL_LUMINANCE_ALPHA support must be tested in ilApplyPal();
- IL_COLOUR_INDEX: must be implemented in iluReplaceColour(ILubyte Red, ILubyte Green, ILubyte Blue, ILfloat Tolerance);
- Check saving of Luminance (8 bpp/1 Bpp) BMP
- ilKeyColor ilAddKey...
- iluRotate3D
- iluEqualize must be implemented for various Bpc
- Add more filters. Some sites to look at are http://www.jasonwaltman.com/thesis/introduction.html http://www.dai.ed.ac.uk/CVonline/transf.htm http://www.fortunecity.com/lavendar/kane/39/ffpg.htm and http://www.opengl.org/developers/documentation/Version1.2/1.2specs/convolution_border_modes.txt . The last link describes ways to handle borders for the convolution filters. It might be worthwhile to allow these kinds of options.
- Finalize the Unicode support. For instance, ILUT doesn't use Unicode at all.
- Add support for callbacks so that users can create progress meters for loading and saving in their applications. We could extend this idea further and allow cancellation of loading/saving images.
- Get rid of dependence on the external libraries to create a smaller library. This is a bit of a monumental task, though.
- Add an IL_BITMAP format. This would be great for WBMP files. The problem is that bit manipulation can be extremely tedious, even with macros.
- Make better versions of the DevIL ports of the NeHe tutorials. Several of the tutorials don't call ilInit, for instance.
- Fix problems with the MFC and static library versions of DevIL.
- Add support for the external libraries to WinCE.
- Add support for volume texture compression (VTC).
- Find a way to make the filters (especially the convolution filters) work in three dimensions.
- Finish support for regions in ILU.
- Add support for regions in IL. This could be used to save only a specific portion of an image.
- Add support for user-defined filters (possibly of a user-defined size).
- Update the state stack in IL. Right now, it only saves part of the states when you push/pop.
- Check compatibility with all the files in the BMP Suite.
- Work on making DevIL more stable. There's probably a few places where I don't check the return value of ilNewImage, for instance.
- Add dithering.
- Look at .cgm support.
- Add padding options, so that each line could be DWORD-padded, for instance.
- Work on better .tif loading and saving. DevIL needs to use lower-level libtiff functions to accomplish this.
- Find a better algorithm for generating DXTC textures.
- Add volume texture saving (.dds).
- Fix problems loading .dds files on Big Endian machines.
- Work on the signed/unsigned conversions a bit more (IL_BYTE versus IL_UNSIGNED_BYTE, etc.). A good link for defining signed formats is http://www.sgi.com/software/opengl/advanced98/notes/node31.html .
- Possibly add support for other colour spaces besides RGB (CMYK, YUV, etc.)
- Look at adding FreeType support to ILU.
- Implement a scripting "language" with LUA for ILU. This way, people can generate scripts to run a certain set of filters on all images.
- Add support for blending modes with layers (such as in the .psd) format.
- Add clipboard and printing support in Linux.
- Add GIF support
- Make the format in wich the images are loaded selectable and not fixed to BGR
- Add TWAIN support.
- Look at other rescaling algorithms:
http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0guide/Geom-image-manip.doc.html
http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0guide/Geom-image-manip.doc.html#55431
http://www.npac.syr.edu/projects/nasa/MILOJE/final/node36.html
http://www.ultranet.com/~aramini/design.html
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