Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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/*
FIMGOPS
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include "../floatimg.h"
int verbosity;
/* --------------------------------------------------------------------- */
float global_fvalue;
/* --------------------------------------------------------------------- */
#define OP_ADD 1
#define OP_SUB 2
#define OP_MIX 3
#define OP_MUL 4
#define OP_MINI 5
#define OP_MAXI 6
typedef struct {
int code;
char *op;
} Opcode;
Opcode opcodes[] = {
{ OP_ADD, "add" },
{ OP_SUB, "sub" },
{ OP_MIX, "mix" },
{ OP_MUL, "mul" },
{ OP_MINI, "mini" },
{ OP_MAXI, "maxi" },
{ 0, NULL }
};
static void pr_opcodes(void)
{
Opcode *optr;
puts("operators:");
for (optr = opcodes; optr->code; optr++) {
printf("\t%-15s %d\n", optr->op, optr->code);
}
}
static int look_opcode(char *txt)
{
Opcode *optr;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' )\n", __func__, txt);
#endif
for (optr = opcodes; optr->code; optr++) {
if (!strcmp(txt, optr->op)) {
// printf("found %s as %d\n", optr->op, optr->code);
return optr->code;
}
}
return -1;
}
/* --------------------------------------------------------------------- */
static void help(int lj)
{
puts("usage:\n\tfimgops [options] A.fimg B.fimg operator D.fimg");
puts("options:");
// puts("\t-g convert output to gray");
printf("\t-k N.N\t\tset float value (def=%.3f)\n", global_fvalue);
puts("\t-v\t\tincrease verbosity");
pr_opcodes();
if (verbosity) fimg_print_version(1);
exit(0);
}
/* --------------------------------------------------------------------- */
int exec_operator(FloatImg *A, FloatImg *B, int action, FloatImg *D)
{
int foo;
switch (action) {
case OP_ADD:
foo = fimg_add_3(A, B, D); break;
case OP_SUB:
foo = fimg_sub_3(A, B, D); break;
case OP_MIX:
if (verbosity) fprintf(stderr, "%s:mix: fvalue is %f\n",
__func__, global_fvalue);
foo = fimg_interpolate(A, B, D, global_fvalue);
break;
case OP_MUL:
foo = fimg_mul_3(A, B, D); break;
case OP_MINI:
foo = fimg_maximum(A, B, D); break;
case OP_MAXI:
foo = fimg_minimum(A, B, D); break;
default:
fprintf(stderr, "fscking action #%d\n", action);
foo = -99; break;
}
return foo;
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt, action;
char *operator;
FloatImg srcA, srcB, dest;
global_fvalue = 0.5;
while ((opt = getopt(argc, argv, "hk:v")) != -1) {
switch(opt) {
case 'g': break;
case 'h': help(0); break;
case 'k': global_fvalue = atof(optarg); break;
case 'v': verbosity++; break;
}
}
#if DEBUG_LEVEL
fprintf(stderr, "argc %d optind %d\n", argc, optind);
for (foo=0; foo<argc; foo++)
fprintf(stderr, "%3d %s\n", foo, argv[foo]);
#endif
if (4 != argc-optind) {
fprintf(stderr, "%s need some arguments...\n", argv[0]);
exit(1);
}
operator = argv[optind+2];
action = look_opcode(operator);
if (action < 0) {
fprintf(stderr, "%s : opcode '%s' unknow\n", argv[0], operator);
exit(1);
}
/*
* load the two source files, and check compatibility
*/
if ((foo=fimg_create_from_dump(argv[optind], &srcA))) {
fprintf(stderr, "read error on '%s' is %d\n", argv[optind], foo);
exit(2);
}
if ((foo=fimg_create_from_dump(argv[optind+1], &srcB))) {
fprintf(stderr, "read error on '%s' is %d\n", argv[optind+1], foo);
exit(3);
}
if (verbosity > 1) { /* please, debug me */
fimg_describe(&srcA, argv[optind]);
fimg_describe(&srcB, argv[optind+1]);
}
foo = fimg_images_not_compatible(&srcA, &srcB);
if (foo) {
fprintf(stderr, "images are not compatibles, %d\n", foo);
exit(4);
}
/*
* we can now create the resultant image, and going coredump...
*/
foo = fimg_create(&dest, srcA.width, srcA.height, srcA.type);
if (foo) {
fprintf(stderr, "%s: crash coredump on create fimg\n", argv[0]);
#if MUST_ABORT
abort();
#endif
exit(1);
}
// fimg_describe(&dest, "destination");
foo = exec_operator(&srcA, &srcB, action, &dest);
if (foo) {
fprintf(stderr, "operator '%s' exec give us a %d\n",
operator, foo);
}
foo = fimg_dump_to_file(&dest, argv[optind+3], 0);
if (foo) {
fprintf(stderr, "dumping datas to file give us a %d\n", foo);
}
return 0;
}
/* --------------------------------------------------------------------- */