forked from tTh/FloatImg
168 lines
3.3 KiB
C
168 lines
3.3 KiB
C
/*
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FIMGFX
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*/
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#include <stdio.h>
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#include <string.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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/* --------------------------------------------------------------------- */
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int verbosity;
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float global_fvalue;
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typedef struct {
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char *name;
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int id;
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int nbarg;
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} Fx;
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enum fxid { Fx_cos01, Fx_pow2, Fx_sqrt };
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Fx fx_list[] = {
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{ "cos01", Fx_cos01, 0 },
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{ "pow2", Fx_pow2, 0 },
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{ "sqrt", Fx_sqrt, 0 },
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{ NULL, 0, 0 }
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};
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/* --------------------------------------------------------------------- */
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int lookup_fx(char *txt)
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{
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Fx *fx;
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int n;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' )\n", __func__, txt);
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#endif
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for (n=0, fx=fx_list; fx->name; fx++, n++) {
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#if DEBUG_LEVEL
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fprintf(stderr, "-> %3d %s\n", n, fx->name);
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#endif
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if (!strcmp(fx->name, txt)) {
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return n;
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}
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}
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return -1;
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}
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/* --------------------------------------------------------------------- */
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static void help(int lvl)
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{
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printf("fimg special effects (%d)\n", lvl);
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exit(0);
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}
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/* --------------------------------------------------------------------- */
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int do_an_effect(char *sf, int act, char *df)
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{
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FloatImg src, dest;
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int foo;
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double maxval;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %d '%s' )\n", __func__,
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sf, act, df);
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#endif
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foo = fimg_create_from_dump(sf, &src);
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if (foo) {
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fprintf(stderr, "err load '%s' : %d\n", sf, foo);
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return foo;
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}
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maxval = (double)fimg_get_maxvalue(&src);
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foo = fimg_clone(&src, &dest, 0);
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if (foo) {
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fprintf(stderr, "err clone %p : %d\n", &src, foo);
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return foo;
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}
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switch (act) {
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case Fx_cos01:
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fimg_cos_01(&src, &dest, maxval); break;
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case Fx_pow2:
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fimg_power_2(&src, &dest, maxval); break;
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case Fx_sqrt:
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fimg_square_root(&src, &dest, maxval); break;
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default:
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fprintf(stderr, "*** %s : %d is bad action\n", __func__, act);
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break;
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}
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foo = fimg_dump_to_file(&dest, df, 0);
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if (foo) {
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fprintf(stderr, "dumping datas to file give us a %d\n", foo);
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return foo;
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}
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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, opt, action;
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int nba;
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char *operator;
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char *srcname = "";
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char *dstname = "out.fimg";
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while ((opt = getopt(argc, argv, "hk:v")) != -1) {
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switch(opt) {
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case 'h': help(0); break;
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case 'k': global_fvalue = atof(optarg); break;
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case 'v': verbosity++; break;
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}
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "argc %d optind %d\n", argc, optind);
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for (foo=0; foo<argc; foo++)
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fprintf(stderr, "%3d %c %s\n", foo, foo==optind?'*':' ', argv[foo]);
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#endif
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if (3 > argc-optind) {
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fprintf(stderr, "%s need some arguments...\n", argv[0]);
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exit(1);
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}
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operator = argv[optind];
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action = lookup_fx(operator);
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if (action < 0) {
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fprintf(stderr, "garbage found in opcode field : %s\n", operator);
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exit(1);
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}
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if (verbosity) {
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fprintf(stderr, " global fvalue %f\n", global_fvalue);
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fprintf(stderr, " action %d\n", action);
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fprintf(stderr, " verbosity %d\n", verbosity);
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}
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if ((nba=fx_list[action].nbarg)) {
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fprintf(stderr, "action '%s' need %d arg\n", operator, nba);
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}
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srcname = argv[optind+1];
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dstname = argv[optind+2];
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if (verbosity) fprintf(stderr, "%s ==> %s\n", srcname, dstname);
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foo = do_an_effect(srcname, action, dstname);
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if (foo) {
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fprintf(stderr, "do an effect -> %d\n", foo);
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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