Bibliothèque de traitements d'images en virgule flottante.
http://la.buvette.org/photos/cumul/
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90 lines
1.9 KiB
90 lines
1.9 KiB
/* |
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* ADDPNM |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include "../floatimg.h" |
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int verbosity; |
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/* --------------------------------------------------------------------- */ |
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int add_pnm_to_fimg(char *srcname, char *dstname, int notused) |
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{ |
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FloatImg dst, src; |
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int foo, x, y, idx; |
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#if DEBUG_LEVEL |
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fprintf(stderr, ">>> %s ( '%s' %s' )\n", __func__, srcname, dstname); |
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#endif |
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foo = fimg_create_from_dump(dstname, &dst); |
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if (foo) fprintf(stderr, "create dst fimg from '%s' -> %d\n", dstname, foo); |
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#if DEBUG_LEVEL |
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fimg_describe(&dst, "created fimg from dump"); |
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#endif |
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foo = fimg_load_from_pnm(srcname, &src, 0); |
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if (foo) fprintf(stderr, "create src fimg from '%s' -> %d\n", dstname, foo); |
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#if DEBUG_LEVEL |
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fimg_describe(&src, "created fimg from PNM"); |
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#endif |
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// fprintf(stderr, "src is %dx%d\n", src.width, src.height); |
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idx = 0; |
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for (y=0; y<src.height; y++) { |
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for (x=0; x<src.width; x++) { |
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dst.R[idx] += src.R[idx]; |
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dst.G[idx] += src.G[idx]; |
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dst.B[idx] += src.B[idx]; |
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idx++; |
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} |
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} |
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foo = fimg_dump_to_file(&dst, dstname, 0); |
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if (foo) { fprintf(stderr, "fimg dump -> %d\n", foo); } |
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return 0; |
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} |
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/* --------------------------------------------------------------------- */ |
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int main(int argc, char *argv[]) |
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{ |
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int foo; |
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// int srcW, srcH; |
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int infos[3]; |
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if (3 != argc) { |
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fimg_print_version(1); |
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fprintf(stderr, "usage:\n\t%s img.fimg cumul.fimg\n", argv[0]); |
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exit(1); |
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} |
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verbosity = 0; |
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if ( 0==access(argv[2], R_OK|W_OK) ) { /* fimg is readable */ |
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// fprintf(stderr, "%s exist\n", argv[2]); |
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} |
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/* |
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else { |
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fprintf(stderr, "*** must create '%s' %dx%d first !!!\n", |
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argv[2], tgaW, tgaH); |
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exit(1); |
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} */ |
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foo = fimg_fileinfos(argv[2], infos); |
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// fprintf(stderr, "get dims of '%s' -> %d\n", argv[2], foo); |
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if (foo) { |
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fprintf(stderr, "*** %s is badly broken\n", argv[2]); |
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exit(2); |
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} |
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foo = add_pnm_to_fimg(argv[1], argv[2], 0); |
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return 0; |
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} |
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/* --------------------------------------------------------------------- */ |
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