tTh/FloatImg
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big refactoring step 1, expect more bugs

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tth 2021-03-09 11:55:48 +01:00
parent 7ada60d113
commit b9d963dfa2
14 changed files with 179 additions and 100 deletions
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2
floatimg.h
View File

@ -3,7 +3,7 @@
* ugly code from tTh
*/
#define FIMG_VERSION 120
#define FIMG_VERSION 122
/*
* in memory descriptor

6
funcs/contour2x2.c
View File

@ -49,8 +49,12 @@ else {
}
foo = fimg_meanvalues(psrc, avg);
if (foo) {
fprintf(stderr, "%s: err %d on fimg_meanvalues\n", __func__, foo);
return foo;
}
if (verbosity > 1) {
fprintf(stderr, "mean values : %f %f %f\n", avg[0], avg[1], avg[2]);
fprintf(stderr, "%s: %f %f %f\n", __func__, avg[0], avg[1], avg[2]);
}
#define RP(ix, iy) ( psrc->R[((iy)*psrc->width)+(ix)] < avg[0] )

4
funcs/qsortrgb.c
View File

@ -38,6 +38,10 @@ if (fimg_images_not_compatible(psrc, pdst)) {
if (psrc != pdst) { /* optimize or futurbug ? */
foo = fimg_copy_data(psrc, pdst);
if (foo) {
fprintf(stderr, "%s: err %d on copy data\n", __func__, foo);
return foo;
}
}
szimg = pdst->width * pdst->height;

4
funcs/rotate.c
View File

@ -15,7 +15,7 @@ extern int verbosity;
int fimg_rotate_90(FloatImg *src, FloatImg *dst, int notused)
{
int foo;
int x, y, j, k;
int x, y, k;
float rgb[3];
#if DEBUG_LEVEL
@ -56,7 +56,7 @@ if ( (src->type != dst->type) ||
for (y=0; y<src->height; y++) {
for (x=0; x<src->width; x++) {
fimg_get_rgb(src, x, y, rgb);
j = (dst->height - x) - 1;
// XXX ??? j = (dst->height - x) - 1;
k = (dst->width - y) - 1;
#if DEBUG_LEVEL > 1
fprintf(stderr, "%6d %6d\n", k, j);

2
lib/Makefile
View File

@ -2,7 +2,7 @@
# building the base library
#
COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=0
COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=1
OBJS = fimg-core.o fimg-pnm.o fimg-file.o fimg-math.o \
fimg-timers.o operators.o fimg-2gray.o \

30
lib/contrast.c
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@ -51,11 +51,15 @@ else {
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * sqrt(dval);
dval = s->G[idx] / maxval;
d->G[idx] = maxval * sqrt(dval);
dval = s->B[idx] / maxval;
d->B[idx] = maxval * sqrt(dval);
}
return -1;
@ -67,7 +71,7 @@ int nbre, idx;
double dval;
if (s->type != FIMG_TYPE_RGB) {
fprintf(stderr, "%s : src type %d invalide\n",
fprintf(stderr, "%s: src type %d invalide\n",
__func__, s->type);
return -4;
}
@ -77,18 +81,22 @@ if (NULL==d) {
}
else {
if (d->type != FIMG_TYPE_RGB) {
fprintf(stderr, "%s : dst type %d invalide\n",
fprintf(stderr, "%s: dst type %d invalide\n",
__func__, d->type);
return -4;
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * dval * dval;
dval = s->G[idx] / maxval;
d->G[idx] = maxval * dval * dval;
dval = s->B[idx] / maxval;
d->B[idx] = maxval * dval * dval;
}
return 0;
@ -122,12 +130,15 @@ else {
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
dval = s->G[idx] / maxval;
d->G[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
dval = s->B[idx] / maxval;
d->B[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
}
return 0;
@ -155,12 +166,15 @@ else {
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
dval = s->G[idx] / maxval;
d->G[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
dval = s->B[idx] / maxval;
d->B[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
}
return 0;

84
lib/fimg-core.c
View File

@ -19,7 +19,8 @@ int fimg_type_is_valid(int type)
switch (type) {
case FIMG_TYPE_GRAY:
case FIMG_TYPE_RGB:
case FIMG_TYPE_RGBA: return 1;
case FIMG_TYPE_RGBA:
case FIMG_TYPE_RGBZ: return 1;
}
return 0;
}
@ -30,13 +31,14 @@ switch (type) {
case FIMG_TYPE_GRAY: return "gray";
case FIMG_TYPE_RGB: return "rgb";
case FIMG_TYPE_RGBA: return "rgba";
case FIMG_TYPE_RGBZ: return "rgbz";
}
return "???";
}
/* --------------------------------------------------------------------- */
int fimg_print_version(int k)
{
fprintf(stderr, "*** FloatImg library, alpha v%d (%s, %s)\n",
fprintf(stderr, "*** FloatImg library, alpha %d (%s, %s)\n",
FIMG_VERSION, __DATE__, __TIME__);
if (51 == k) {
@ -52,6 +54,7 @@ void fimg_print_sizeof(void)
{
fprintf(stderr, " sz FloatImg = %lu\n", sizeof(FloatImg));
fprintf(stderr, " sz filehead = %lu\n", sizeof(FimgFileHead));
fprintf(stderr, " sz filter = %lu\n", sizeof(FimgFilter3x3));
}
/* --------------------------------------------------------------------- */
void fimg_printhead(FloatImg *h)
@ -81,19 +84,35 @@ printf(" pixels@ %p %p %p %p\n",
return 0;
}
/* ---------------------------------------------------------------- */
/*
* values for the parameter 't' are defined in 'floatimg.h'
*/
int fimg_create(FloatImg *fimg, int w, int h, int t)
static float *plane_alloc(int size)
{
int surface, size;
float *fptr;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %-25s ( %p %d %d %d )\n", __func__, fimg, w, h, t);
fprintf(stderr, ">>> %s ( %d )\n", __func__, size);
#endif
if ( ! fimg_type_is_valid(t) ) {
fptr = calloc(size, sizeof(float));
if (NULL==fptr) {
fprintf(stderr, "no more memory available, ABEND\n");
abort();
}
return fptr;
}
/* ---------------------------------------------------------------- */
/*
* values for the parameter 'type' are defined in 'floatimg.h'
*/
int fimg_create(FloatImg *fimg, int w, int h, int type)
{
int size;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %d %d %d )\n", __func__, fimg, w, h, type);
#endif
if ( ! fimg_type_is_valid(type) ) {
fprintf(stderr, "%s: type %d invalid\n", __func__, type);
return -2;
}
@ -101,35 +120,24 @@ if ( ! fimg_type_is_valid(t) ) {
* what to do if we've got a descriptor for an image
* already allocated ?
*/
memset(fimg, 0, sizeof(FloatImg));
surface = w * h;
size = surface * t * sizeof(float);
#if DEBUG_LEVEL > 1
fprintf(stderr, "surface is %d pixels, need %d bytes\n", surface, size);
#endif
fptr = (float *)malloc(size);
if (NULL==fptr) {
fprintf(stderr, "%s : no mem, exiting.\n", __func__);
exit(1);
}
#if DEBUG_LEVEL > 1
fprintf(stderr, " %s: got %d bytes at %p\n", __func__, size, fptr);
#endif
size = w * h;
fimg->width = w; fimg->height = h;
fimg->type = t;
fimg->type = type;
fimg->R = fptr;
if ( (t==FIMG_TYPE_RGB) || (t==FIMG_TYPE_RGBA) ) {
fimg->G = fptr + surface;
fimg->B = fptr + surface + surface;
/* the red channel is allway allocated */
fimg->R = (float *)plane_alloc(size);
if (FIMG_TYPE_RGB == type) {
fimg->G = (float *)plane_alloc(size);
fimg->B = (float *)plane_alloc(size);
}
if ( t==FIMG_TYPE_RGBA ) fimg->A = fptr + (3 * surface);
/* ok this a really WTF fragment of code */
if (FIMG_TYPE_RGBA == type) {
fimg->A = (float *)plane_alloc(size);
}
return 0;
}
@ -156,6 +164,8 @@ if (NULL == fimg->R) {
fprintf(stderr, "%s : %p already freed ?\n", __func__, fimg);
return -3;
}
free(fimg->R);
memset(fimg, 0, sizeof(FloatImg));
@ -167,7 +177,7 @@ int fimg_clone(FloatImg *old, FloatImg *new, int flags)
int foo;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %-25s ( %p %p 0x%x)\n", __func__, old, new, flags);
fprintf(stderr, ">>> %s ( %p %p 0x%x )\n", __func__, old, new, flags);
#endif
if ( ! fimg_type_is_valid(old->type) ) {
@ -197,7 +207,7 @@ int size;
int foo;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %-25s ( %p %p )\n", __func__, from, to);
fprintf(stderr, ">>> %s ( %p %p )\n", __func__, from, to);
#endif
foo = fimg_images_not_compatible(from, to);
@ -206,8 +216,10 @@ if (foo) {
return foo;
}
size = from->width * from->height * from->type * sizeof(float);
size = from->width * from->height * sizeof(float);
memcpy(to->R, from->R, size);
memcpy(to->G, from->G, size);
memcpy(to->B, from->B, size);
return 0;
}

65
lib/fimg-file.c
View File

@ -52,6 +52,9 @@ datas[2] = filehead.t;
return 0;
}
/* ---------------------------------------------------------------- */
/*
* /!\ thi func work ONLY on RGB image
*/
int fimg_dump_to_file(FloatImg *fimg, char *fname, int notused)
{
FILE *fp;
@ -75,7 +78,7 @@ if (NULL==fp) {
}
memset(&filehead, 0, sizeof(filehead));
strcpy(filehead.magic, "FIMG");
memcpy(filehead.magic, "FIMG", 4);
filehead.w = fimg->width; filehead.h = fimg->height;
filehead.t = fimg->type;
@ -85,16 +88,19 @@ if (1 != foo) {
fclose(fp);
return -2;
}
nbre = fimg->width*fimg->height*3;
#if DEBUG_LEVEL
fprintf(stderr, " %s : data at %p\n", __func__, fimg->R);
#endif
nbre = fimg->width * fimg->height; /* pixels per frame */
foo = fwrite(fimg->R, sizeof(float), nbre, fp);
if (nbre != foo) {
perror(fname);
fclose(fp);
return -3;
perror(fname); fclose(fp); return -3;
}
foo = fwrite(fimg->G, sizeof(float), nbre, fp);
if (nbre != foo) {
perror(fname); fclose(fp); return -3;
}
foo = fwrite(fimg->B, sizeof(float), nbre, fp);
if (nbre != foo) {
perror(fname); fclose(fp); return -3;
}
fclose(fp);
@ -130,18 +136,27 @@ if (1 != foo) {
if ( (filehead.w != where->width) ||
(filehead.h != where->height) ||
(filehead.t != where->type) ) {
fprintf(stderr, "%s: file '%s' incompatible\n",
__func__, fname);
fclose(fp);
return -17;
}
fprintf(stderr, "%s: file '%s' incompatible\n", __func__, fname);
fclose(fp);
return -17;
}
nbre = filehead.w*filehead.h*filehead.t; /* ugly quirk */
nbre = filehead.w * filehead.h; /* number of pixels per frame */
foo = fread(where->R, sizeof(float), nbre, fp);
if (nbre != foo) {
fprintf(stderr, "%s: err read '%s' : %d\n", __func__, fname, foo);
fclose(fp);
return -18;
fclose(fp); return -18;
}
foo = fread(where->G, sizeof(float), nbre, fp);
if (nbre != foo) {
fprintf(stderr, "%s: err read '%s' : %d\n", __func__, fname, foo);
fclose(fp); return -18;
}
foo = fread(where->B, sizeof(float), nbre, fp);
if (nbre != foo) {
fprintf(stderr, "%s: err read '%s' : %d\n", __func__, fname, foo);
fclose(fp); return -18;
}
fclose(fp);
@ -153,7 +168,7 @@ return 0;
int fimg_create_from_dump(char *fname, FloatImg *head)
{
FILE *fp;
int foo;
int foo, size;
FimgFileHead filehead;
#if DEBUG_LEVEL
@ -173,13 +188,14 @@ if (NULL==fp) {
foo = fread(&filehead, sizeof(FimgFileHead), 1, fp);
if (1 != foo) {
fprintf(stderr, "%s : short read\n", fname);
fprintf(stderr, "%s: short read on '%s'\n", __func__, fname);
fclose(fp);
return -16;
}
#if DEBUG_LEVEL
fprintf(stderr, "%s : got [ %d %d %d ] from '%s'\n", __func__,
filehead.w, filehead.h, filehead.t, fname);
fprintf(stderr, "%s : got [ %dx%d %s ] from '%s'\n", __func__,
filehead.w, filehead.h, fimg_str_type(filehead.t),
fname);
#endif
foo = fimg_create(head, filehead.w, filehead.h, filehead.t);
@ -188,10 +204,11 @@ if (foo) {
return foo;
}
/* NO No no !!! don't do that !!! */
foo = fread(head->R, sizeof(float),
filehead.w*filehead.h*filehead.t, fp);
size = filehead.w * filehead.h;
foo = 0;
foo += fread(head->R, sizeof(float), size, fp);
foo += fread(head->G, sizeof(float), size, fp);
foo += fread(head->B, sizeof(float), size, fp);
fclose(fp);

27
lib/fimg-math.c
View File

@ -98,7 +98,7 @@ memset(accus, 0, 4*sizeof(double));
for (idx=0; idx<surface; idx++) {
accus[0] += head->R[idx];
if (head->type > 2) {
if (head->type > 2) { /* WTF ? */
accus[1] += head->G[idx];
accus[2] += head->B[idx];
}
@ -123,8 +123,6 @@ Mais c,a ne semble pas etre la bonne methode. Il faut aller voir :
https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
*/
/* ---------------------------------------------------------------- */
/*
* more elaborate functions are in fimg-2gray.c
@ -159,12 +157,14 @@ if (fi->type != FIMG_TYPE_RGB) {
return;
}
nbre = fi->width * fi->height * fi->type;
nbre = fi->width * fi->height ;
#if DEBUG_LEVEL
fprintf(stderr, "%s, nbre is %d\n", __func__, nbre);
#endif
for (idx=0; idx<nbre; idx++) {
fi->R[idx] += value;
fi->G[idx] += value;
fi->B[idx] += value;
}
}
/* ---------------------------------------------------------------- */
@ -179,11 +179,13 @@ if (fi->type != FIMG_TYPE_RGB) {
return -1;
}
nbre = fi->width * fi->height * fi->type;
nbre = fi->width * fi->height;
count = 0;
for (idx=0; idx<nbre; idx++) {
if (fi->R[idx] < 0.0) count++;
if (fi->G[idx] < 0.0) count++;
if (fi->B[idx] < 0.0) count++;
}
return count;
@ -237,12 +239,21 @@ if ( (fi->type != FIMG_TYPE_RGB) && (fi->type != FIMG_TYPE_GRAY) ) {
return;
}
nbre = fi->width * fi->height * fi->type;
nbre = fi->width * fi->height;
#if DEBUG_LEVEL
fprintf(stderr, "%s, nbre of datum is %d\n", __func__, nbre);
#endif
for (idx=0; idx<nbre; idx++) {
fi->R[idx] *= value;
if (fi->type == FIMG_TYPE_RGB) {
for (idx=0; idx<nbre; idx++) {
fi->R[idx] *= value;
fi->G[idx] *= value;
fi->B[idx] *= value;
}
}
if (fi->type == FIMG_TYPE_GRAY) {
for (idx=0; idx<nbre; idx++) {
fi->R[idx] *= value;
}
}
}
/* ---------------------------------------------------------------- */

16
lib/t.c
View File

@ -153,6 +153,8 @@ int essai_clone_et_copy(int unused)
FloatImg A, B, C;
int foo;
fprintf(stderr, "-------- %s ( %d ) --------\n", __func__, unused);
foo = fimg_create(&A, TAILLE, TAILLE, FIMG_TYPE_RGB);
if (foo) {
fprintf(stderr, "%s err create A %d\n", __func__, foo);
@ -230,6 +232,8 @@ int foo;
FloatImg dessin, copy;
double maxi;
fprintf(stderr, "-------- %s ( '%s' ) --------\n", __func__, fname);
foo = fimg_create_from_dump(fname, &dessin);
if (foo) {
fprintf(stderr, "in %s, error %d loading '%s'\n",
@ -238,6 +242,7 @@ if (foo) {
}
foo = fimg_clone(&dessin, &copy, 0);
fimg_save_as_pnm(&dessin, "dessin.pnm", 0);
maxi = (double)fimg_get_maxvalue(&dessin);
fprintf(stderr, "image source valeur maxi = %f\n", maxi);
@ -290,17 +295,14 @@ if (verbosity) {
fimg_print_sizeof();
}
// foo = essai_normalize();
// fprintf(stderr, "retour essai normalize -> %d\n", foo);
// foo = essai_contraste("quux.fimg");
// fprintf(stderr, "retour essai contraste -> %d\n", foo);
foo = essai_contraste("quux.fimg");
fprintf(stderr, "retour essai contraste -> %d\n", foo);
// foo = essai_clone_et_copy(0);
// fprintf(stderr, "retour essai clone'n'copy -> %d\n", foo);
foo = essai_timer(0);
fprintf(stderr, "retour essai -> %d\n", foo);
// foo = essai_timer(0);
// fprintf(stderr, "retour essai timer -> %d\n", foo);
return 0;
}

9
tools/README.md
View File

@ -1,5 +1,8 @@
# Images en virgule flottante, les outils.
Dans tous les cas, vous pouvez utiliser l'option `-h` pour avoir des
explications sur ce que vous pouvez faire.
## mkfimg
## fimgops
@ -9,3 +12,9 @@
## fimgstats
## fimg2pnm - fimg2png
## fimg2text
Nouveau de l'année 2020+1 : exfiltrer toutes des données d'une image flottante
afin de les rendre machinables.

20
tools/fimg2text.c
View File

@ -12,7 +12,7 @@
int verbosity;
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
int export_as_machinable(FloatImg *src, char *fname, int steps, int flags)
{
FILE *fp;
@ -44,7 +44,7 @@ for (y=0; y<src->height; y+=steps) {
return 0;
}
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
static int normalize(FloatImg *pimg, float vmax)
{
float mmv[6], maxi, coef;
@ -79,7 +79,7 @@ for (idx=0; idx<sz; idx++) {
return 0;
}
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
int convertir_fimg_en_machinable(char *srcname, char *dstname,
int steps, float norm)
{
@ -125,18 +125,18 @@ fimg_destroy(&fimg);
return 0;
}
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
void help(int k)
{
puts("usage:\n\tfimg2text [options] foo.fimg > bar.csv");
puts("options:");
puts("\t-v\tincrease verbosity");
puts("\t-n 3.14\tnormalize picture");
puts("\t-s N\nsteps on x & y");
puts("\t-v\t\tincrease verbosity");
puts("\t-n 3.14\t\tnormalize picture");
puts("\t-s N\t\tsteps on x & y");
if (verbosity) fimg_print_version(1);
exit(0);
}
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
@ -154,7 +154,7 @@ while ((opt = getopt(argc, argv, "hn:s:v")) != -1) {
}
if (1 != argc-optind) {
fprintf(stderr, "error: %s need one filename\n", argv[0]);
fprintf(stderr, "error: %s need one intput filename\n", argv[0]);
exit(1);
}
@ -165,5 +165,5 @@ if (foo) {
return 0;
}
/* ------------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */

3
tools/fimgops.c
View File

@ -65,7 +65,7 @@ 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");
// puts("\t-g convert output to gray");
puts("\t-k N.N set float value");
puts("\t-v increase verbosity");
pr_opcodes();
@ -112,6 +112,7 @@ FloatImg srcA, srcB, dest;
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;

7
tools/mkfimg.c
View File

@ -1,3 +1,8 @@
/*
* making a floatimg with some random datas
* an ugly software from tTh - february 2021
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@ -137,7 +142,7 @@ switch(type) {
foo = fimg_dump_to_file(&fimg, fname, 0);
if (foo) {
fprintf(stderr, "dump fimg -> %d\n", foo);
fprintf(stderr, "dump fimg to %s -> %d\n", fname, foo);
exit(1);
}