+ halfsize

This commit is contained in:
tth 2021-04-05 19:20:36 +02:00
parent 96ad003df6
commit f0a4338741
3 changed files with 83 additions and 1 deletions

1
.gitignore vendored
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@ -55,6 +55,7 @@ tools/fimg2tiff
tools/fimg2fits tools/fimg2fits
tools/fimg2text tools/fimg2text
tools/fimgstats tools/fimgstats
tools/fimghalfsize
tools/mkfimg tools/mkfimg
tools/png2fimg tools/png2fimg
tools/addtga2fimg tools/addtga2fimg

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@ -10,7 +10,8 @@ DEPS = ../floatimg.h ../libfloatimg.a Makefile
all: fimg2pnm mkfimg png2fimg fimgstats fimg2png \ all: fimg2pnm mkfimg png2fimg fimgstats fimg2png \
fimg2tiff fimg2text fimg2fits \ fimg2tiff fimg2text fimg2fits \
addpnm2fimg cumulfimgs fimgops fimgfx addpnm2fimg cumulfimgs fimgops fimgfx \
fimghalfsize
fimgstats: fimgstats.c $(DEPS) fimgstats: fimgstats.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -o $@ gcc $(COPT) $< ../libfloatimg.a -o $@
@ -27,6 +28,9 @@ fimgops: fimgops.c $(DEPS)
fimgfx: fimgfx.c $(DEPS) fimgfx: fimgfx.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -o $@ gcc $(COPT) $< ../libfloatimg.a -o $@
fimghalfsize: fimghalfsize.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -o $@
fimg2pnm: fimg2pnm.c $(DEPS) fimg2pnm: fimg2pnm.c $(DEPS)
gcc $(COPT) $< ../libfloatimg.a -o $@ gcc $(COPT) $< ../libfloatimg.a -o $@

77
tools/fimghalfsize.c Normal file
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@ -0,0 +1,77 @@
/*
*/
#include <stdio.h>
#include <unistd.h> /* pour getopt */
#include <stdlib.h>
#include "../floatimg.h"
int verbosity;
/* ------------------------------------------------------------- */
int faire_un_halfsize(char *iname, char *oname, int notused)
{
FloatImg src, dst;
int foo;
foo = fimg_create_from_dump(iname, &src);
if (foo) {
fprintf(stderr, "create fimg from '%s' -> %d\n", iname, foo);
return -1;
}
memset(&dst, 0, sizeof(FloatImg));
foo = fimg_halfsize_0(&src, &dst, 0);
if (foo) {
fprintf(stderr, "halfize fail -> %d\n", foo);
return -1;
}
foo = fimg_dump_to_file(&dst, oname, 0);
if (foo) {
fprintf(stderr, "save to '%s' -> %d\n", oname, foo);
return -1;
}
return -1;
}
/* ------------------------------------------------------------- */
void help(int u)
{
}
/* ------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt, action;
char *srcname = "";
char *dstname = "out.fimg";
while ((opt = getopt(argc, argv, "hv")) != -1) {
switch(opt) {
case 'h': help(0); break;
case 'v': verbosity++; break;
}
}
if (2 != argc-optind) {
fprintf(stderr, "error: %s need two filenames\n", argv[0]);
exit(1);
}
srcname = argv[optind];
dstname = argv[optind+1];
fprintf(stderr, "%s: optind: %d src: %s dst: %s\n", argv[0], optind,
srcname, dstname);
foo = faire_un_halfsize(srcname, dstname, 0);
return 0;
}
/* ------------------------------------------------------------- */