196 lines
4.4 KiB
C
196 lines
4.4 KiB
C
/*
|
|
* converting a floatimg to a machinable text file
|
|
* an ugly software from tTh - february 2021
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
|
|
#include "../floatimg.h"
|
|
|
|
int verbosity;
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
int export_as_machinable(FloatImg *src, char *fname, int steps, int flags)
|
|
{
|
|
FILE *fp;
|
|
int x, y;
|
|
float rgb[3];
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, ">>> %s ( %p '%s' 0x%x )\n", __func__,
|
|
src, fname, flags);
|
|
#endif
|
|
|
|
fp = NULL; /* molly guard */
|
|
if (strcmp("-", fname)) { /* real file */
|
|
fprintf(stderr, "real file '%s'\n", fname);
|
|
}
|
|
else {
|
|
// fprintf(stderr, "kitchen sink\n");
|
|
}
|
|
|
|
fp = stdout; /* XXX */
|
|
|
|
/*
|
|
* put a first line, so we can load those data with R
|
|
*/
|
|
if (flags & 1) { fputs("X Y R G B\n", fp); }
|
|
|
|
for (y=0; y<src->height; y+=steps) {
|
|
for (x=0; x<src->width; x+=steps) {
|
|
fimg_get_rgb(src, x, y, rgb);
|
|
fprintf(fp, "%d %d ", x, y);
|
|
fprintf(fp, "%f %f %f\n", rgb[0], rgb[1], rgb[2]);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------------- */
|
|
/*
|
|
* This function must be in the libfloatimg !
|
|
*/
|
|
static int normalize(FloatImg *pimg, float vmax)
|
|
{
|
|
float mmv[6], maxi, coef;
|
|
int foo, sz, idx;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, ">>> %s ( %p %g )\n", __func__, pimg, vmax);
|
|
#endif
|
|
|
|
foo = fimg_get_minmax_rgb(pimg, mmv);
|
|
if (foo) {
|
|
fprintf(stderr, "%s: ABEND\n", __func__);
|
|
abort();
|
|
}
|
|
maxi = mmv[1];
|
|
if (mmv[3] > maxi) maxi = mmv[3];
|
|
if (mmv[5] > maxi) maxi = mmv[5];
|
|
coef = vmax / maxi;
|
|
if (verbosity) {
|
|
fprintf(stderr, "mins %f %f %f\n", mmv[0], mmv[2], mmv[4]);
|
|
fprintf(stderr, "maxs %f %f %f\n", mmv[1], mmv[3], mmv[5]);
|
|
fprintf(stderr, "coef = %f\n", coef);
|
|
}
|
|
|
|
sz = pimg->width * pimg->height;
|
|
|
|
for (idx=0; idx<sz; idx++) {
|
|
pimg->R[idx] *= coef;
|
|
pimg->G[idx] *= coef;
|
|
pimg->B[idx] *= coef;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------------- */
|
|
int convertir_fimg_en_machinable(char *srcname, char *dstname,
|
|
int steps, float norm, int header)
|
|
{
|
|
int foo, infos[3];
|
|
int flg;
|
|
FloatImg fimg;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, ">>> %s ( '%s' '%s' %d %f %d )\n", __func__,
|
|
srcname, dstname, steps, norm, header);
|
|
#endif
|
|
|
|
if (steps < 1) {
|
|
fprintf(stderr, "%s: steps MUST be > 0\n", __func__);
|
|
exit(1);
|
|
}
|
|
|
|
flg = 0;
|
|
if (header) flg |= 1;
|
|
|
|
foo = fimg_fileinfos(srcname, infos);
|
|
if (foo) {
|
|
fprintf(stderr, "'%s' get dims -> %d\n", srcname, foo);
|
|
return foo;
|
|
}
|
|
if (verbosity) {
|
|
fprintf(stderr, "%s: image '%s' is %d x %d %s\n",
|
|
__func__,
|
|
srcname, infos[0], infos[1],
|
|
fimg_str_type(infos[2]));
|
|
}
|
|
|
|
foo = fimg_create_from_dump(srcname, &fimg);
|
|
if (foo) {
|
|
fprintf(stderr, "create fimg from '%s' -> %d\n", srcname, foo);
|
|
return -1;
|
|
}
|
|
|
|
if (norm > 0.0) {
|
|
if (verbosity) fprintf(stderr, "normalize to %f\n", norm);
|
|
foo = normalize(&fimg, norm);
|
|
}
|
|
|
|
foo = export_as_machinable(&fimg, dstname, steps, flg);
|
|
if (foo) {
|
|
fprintf(stderr,"%s: err %d on export\n", __func__, foo);
|
|
}
|
|
fimg_destroy(&fimg);
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------------- */
|
|
void help(int k)
|
|
{
|
|
puts("usage:\n\tfimg2text [options] foo.fimg > bar.csv");
|
|
puts("options:");
|
|
puts("\t-n Value\tnormalize picture if Value > 0.0");
|
|
puts("\t-s N\t\tsteps on x & y");
|
|
puts("\t-T\t\tadd header with colon name");
|
|
puts("\t-v\t\tincrease verbosity");
|
|
if (verbosity) {
|
|
printf("*** compiled: %s at %s\n", __DATE__, __TIME__);
|
|
fimg_print_version(k);
|
|
}
|
|
exit(0);
|
|
}
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int foo, opt;
|
|
int steps = 1;
|
|
int header = 0;
|
|
float norm_val = -1; /* < 0 : don't normalize */
|
|
// char separator = ' ';
|
|
|
|
while ((opt = getopt(argc, argv, "f:hn:s:Tv")) != -1) {
|
|
switch(opt) {
|
|
// case 'f': separator = optarg[0]; break;
|
|
case 'v': verbosity++; break;
|
|
case 'h': help(1); exit(1);
|
|
case 's': steps = atoi(optarg); break;
|
|
case 'T': header = 1; break;
|
|
case 'n': norm_val = atof(optarg); break;
|
|
default: exit(1);
|
|
}
|
|
}
|
|
|
|
if (1 != argc-optind) {
|
|
fprintf(stderr, "error: %s need one intput filename\n", argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
foo = convertir_fimg_en_machinable(argv[optind], "-",
|
|
steps, norm_val, header);
|
|
if (foo) {
|
|
fprintf(stderr, "%s : got a %d from convertor\n", argv[0], foo);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------------- */
|
|
|