tTh/FloatImg
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add -a option for absolute value of op result

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tTh 2024-05-01 12:28:23 +02:00
parent 7586423d23
commit bb2b3b72de
2 changed files with 10 additions and 2 deletions
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2
tools/Makefile
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@ -36,7 +36,7 @@ mkfimg: mkfimg.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -lm -o $@ gcc $(COPT) $< ../libfloatimg.a -lm -o $@
fimgops: fimgops.c $(DEPS) fimgops: fimgops.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -o $@ gcc $(COPT) $< ../libfloatimg.a -lm -o $@
fimgfx: fimgfx.c $(DEPS) fimgfx: fimgfx.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a \ gcc $(COPT) $< ../libfloatimg.a \

10
tools/fimgops.c
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@ -66,6 +66,7 @@ static void help(int lj)
puts("usage:\n\tfimgops [options] A.fimg B.fimg operator D.fimg"); puts("usage:\n\tfimgops [options] A.fimg B.fimg operator D.fimg");
puts("options:"); puts("options:");
puts("\t-a\t\texport absolute value");
// puts("\t-g convert output to gray"); // puts("\t-g convert output to gray");
printf("\t-k N.N\t\tset float value (def=%.3f)\n", global_fvalue); printf("\t-k N.N\t\tset float value (def=%.3f)\n", global_fvalue);
puts("\t-v\t\tincrease verbosity"); puts("\t-v\t\tincrease verbosity");
@ -107,13 +108,15 @@ return foo;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int foo, opt, action; int foo, opt, action;
int absolute = 0;
char *operator; char *operator;
FloatImg srcA, srcB, dest; FloatImg srcA, srcB, dest;
global_fvalue = 0.5; global_fvalue = 0.5;
while ((opt = getopt(argc, argv, "hk:v")) != -1) { while ((opt = getopt(argc, argv, "ahk:v")) != -1) {
switch(opt) { switch(opt) {
case 'a': absolute = 1; break;
case 'g': break; case 'g': break;
case 'h': help(0); break; case 'h': help(0); break;
case 'k': global_fvalue = atof(optarg); break; case 'k': global_fvalue = atof(optarg); break;
@ -182,6 +185,11 @@ if (foo) {
operator, foo); operator, foo);
} }
if (absolute) {
if (verbosity) fprintf(stderr, "compute abs of %p\n", &dest);
fimg_absolute(&dest);
}
foo = fimg_dump_to_file(&dest, argv[optind+3], 0); foo = fimg_dump_to_file(&dest, argv[optind+3], 0);
if (foo) { if (foo) {
fprintf(stderr, "dumping datas to file give us a %d\n", foo); fprintf(stderr, "dumping datas to file give us a %d\n", foo);