start of libnetpbm integration

This commit is contained in:
tth 2019-09-12 19:48:12 +02:00
parent 723319ea15
commit 8b185f02e2
4 changed files with 90 additions and 2 deletions

2
.gitignore vendored
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@ -21,6 +21,8 @@ doc/*.idx
doc/*.ilg
doc/*.ind
funcs/t
v4l2/t
v4l2/capture
v4l2/grabvidseq

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@ -1,8 +1,14 @@
#---------------------------------------------------------------
COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=0
COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=1
DEPS = ../floatimg.h Makefile
OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o
OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o \
fimg-libpnm.o
#---------------------------------------------------------------
t: t.c $(DEPS) ../libfloatimg.a
gcc $(COPT) $< ../libfloatimg.a -lnetpbm -o $@
#---------------------------------------------------------------
@ -15,6 +21,9 @@ fimg-png.o: fimg-png.c $(DEPS)
fimg-tiff.o: fimg-tiff.c $(DEPS)
gcc $(COPT) -c $<
fimg-libpnm.o: fimg-libpnm.c $(DEPS)
gcc $(COPT) -c $<
misc-plots.o: misc-plots.c $(DEPS)
gcc $(COPT) -c $<

52
funcs/fimg-libpnm.c Normal file
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@ -0,0 +1,52 @@
/*
* interface FloatImg <-> libpnm(3)
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pam.h>
#include "../floatimg.h"
extern int verbosity;
/* --------------------------------------------------------------------- */
static void print_struct_pam(struct pam *ppam, char *txt)
{
printf("size %d\n", ppam->size);
printf("format %d\n", ppam->format);
printf("plainformat %d\n", ppam->plainformat);
printf("width & height %d %d\n", ppam->width, ppam->height);
printf("depth %d\n", ppam->depth);
printf("maxval %lu\n", ppam->maxval);
}
/* --------------------------------------------------------------------- */
int fimg_pnm_infos(char *fname)
{
struct pam inpam;
FILE *fp;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' )\n", __func__, fname);
#endif
if (NULL==(fp=fopen(fname, "r"))) {
perror(fname);
exit(1);
}
pnm_readpaminit(fp, &inpam, sizeof(inpam));
print_struct_pam(&inpam, fname);
fclose(fp);
return 0;
}
/* --------------------------------------------------------------------- */

25
funcs/t.c Normal file
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@ -0,0 +1,25 @@
/*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pam.h>
#include "../floatimg.h"
int fimg_pnm_infos(char *);
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo;
pnm_init(&argc, argv);
foo = fimg_pnm_infos("foo.pnm");
fprintf(stderr, "got %d\n", foo);
return 0;
}
/* --------------------------------------------------------------------- */