load-texture-info

Arguments: filename &optional index

Reads the bitmap file filename (usually a .bmp file but can be an .ico or even a .dll file) and returns the texture-info structure that reflects the size, bits-per-pixel, and colormap of the pixmap in the file. When reading from a .dll file that contains multiple bitmaps, index can be passed to specify the bitmap of interest in the file. The texture-info returned is the same as the second value returned by load-texture, but this function is much faster if all you want is the texture-info.

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Created 2012.5.30.