1 ;Converts .png image files to .tga.
2 ;Input: fileIN, fileOUT, grayscale (0=no, 1=yes), alpha 0.5 (0=no, 1=yes)
4 (define (png-tga fileIn fileOut gray alpha)
7 (image (car (gimp-file-load 1 fileIn fileIn)))
8 (layer (car (gimp-image-get-active-layer image)))
12 (gimp-desaturate-full layer 1)
16 (gimp-layer-set-opacity layer 50.0)
19 (set! layer (car (gimp-image-merge-visible-layers image 1)))
20 (file-tga-save 1 image layer fileOut fileOut 1 0)
21 (gimp-image-delete image)