libtthimage/Lib/tele_2.c

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/*
tele_2.c
--------
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
/*
* comme au bon vieux temps...
*/
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int Image_TV_old(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
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{
int foo;
int x, y, v1, v2;
int resteY;
int sigma;
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#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %d %d %d )\n", __func__,
src, dst, p1, p2, p3);
#endif
if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
return foo;
}
sigma = p1 + p2 + p3;
if (!sigma) sigma++;
resteY = src->height % 3;
resteY /= 2; /* half for the top, half for the bottom */
#if DEBUG_LEVEL
fprintf(stderr, "%s : height %d reste Y %d\n", __func__, src->height, resteY);
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fprintf(stderr, "%s : %d %d %d -> %d\n", __func__, p1, p2, p3, sigma);
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#endif
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for (y=resteY; y<src->height-resteY-1; y+=3) {
for (x=0; x<src->width; x++) {
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v1 = ( Image_R_pixel(src, x, y) +
Image_R_pixel(src, x, y+1) +
Image_R_pixel(src, x, y+2) +
Image_G_pixel(src, x, y) +
Image_G_pixel(src, x, y+1) +
Image_G_pixel(src, x, y+2) +
Image_B_pixel(src, x, y) +
Image_B_pixel(src, x, y+1) +
Image_B_pixel(src, x, y+2) ) / 9 ;
v2 = (v1 * p1) / sigma;
Image_plotRGB(dst, x, y, v2, v2, v2);
v2 = (v1 * p2) / sigma;
Image_plotRGB(dst, x, y+1, v2, v2, v2);
v2 = (v1 * p3) / sigma;
Image_plotRGB(dst, x, y+2, v2, v2, v2);
}
}
return FUNC_IS_BETA;
}
/*::------------------------------------------------------------------::*/
/*
* this is juste a wrapper function - need more work...
*/
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int Image_TV_veryold(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
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{
int foo;
/* 15 janvier 2007: chasse au coredump... */
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if ( (src->magic!=MAGIC_OF_IMAGE) || (dst->magic!=MAGIC_OF_IMAGE) ) {
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fprintf(stderr, "Image TV veryold: bad image descriptor\n");
abort();
}
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if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "Image TV veryold: images are differents %d\n", foo);
return foo;
}
foo = Image_TV_old(src, dst, p1, p2, p3);
fprintf(stderr, "%s : ret %d\n", __func__, foo);
return FUNC_IS_ALPHA;
}
/*::------------------------------------------------------------------::*/
/*
* new 10 novembre 2013, in mixart-myrys
*/
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int Image_TV_pix_0(Image_Desc *src, Image_Desc *dst, int w, int h, int grey)
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{
int foo, ox, oy;
int x, y, r, g, b;
int xmax, ymax;
Image_Rect zone;
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#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %d %d %d )\n", __func__,
src, dst, w, h, grey);
#endif
if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
return foo;
}
#if DEBUG_LEVEL
fprintf(stderr, "%s : w %d h %d grey %d\n", __func__, w, h, grey);
#endif
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if (0==h || 0==w) {
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return BAD_PARAMETER;
}
zone.w = w-1; zone.h = h-1;
xmax = src->width - w; ymax = src->height - h;
ox = (src->width % w) / 2;
oy = (src->height % h) / 2;
#if DEBUG_LEVEL
fprintf(stderr, "%s : offsets = %d %d\n", __func__, ox, oy);
#endif
Image_clear(dst, grey, grey, grey);
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for (x=ox; x<xmax; x+=w) {
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zone.x = x + (w/2);
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for (y=oy; y<ymax; y+=h) {
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zone.y = y + (h/2);
r = src->Rpix[y][x] & 0xfe;
g = src->Gpix[y][x] & 0xfe;
b = src->Bpix[y][x] & 0xfe;
Image_paint_rect(dst, &zone, r, g, b);
}
}
return FUNC_IS_BETA;
}
/*::------------------------------------------------------------------::*/
/*
* new 10 novembre 2013, in mixart-myrys
*/
int Image_TV_pix_1(Image_Desc *src, Image_Desc *dst, int w, int h, int p3)
{
int foo;
int x, y, v1, v2, r, g, b;
int xmax, ymax;
Image_Rect zone;
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#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %d %d %d )\n", __func__,
src, dst, w, h, p3);
#endif
if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
return foo;
}
#if DEBUG_LEVEL
fprintf(stderr, "%s : w %d h %d g%d\n", __func__, w, h, p3);
#endif
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if ((0==h) || (0==w)) {
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return BAD_PARAMETER;
}
zone.w = w-1;
zone.h = h-1;
xmax = src->width - w;
ymax = src->height - h;
v1 = v2 = 0;
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for (x=0; x<xmax; x+=w) {
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zone.x = x;
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for (y=0; y<ymax; y+=h) {
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zone.y = y;
r = src->Rpix[y][x];
g = src->Gpix[y][x];
b = src->Bpix[y][x];
Image_paint_rect(dst, &zone, r, g, b);
}
}
return FULL_NUCKED;
}
/*::------------------------------------------------------------------::*/
/*
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* new 3 jan 2013 - at Mixart-Myrys
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*/
int Image_TV_cplus_v1(Image_Desc *src, Image_Desc *dst, int p)
{
int foo;
int y, taille;
#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, p);
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#endif
if (p <= 1) {
fprintf(stderr, "%s: p must be > 1, but was %d\n", __func__, p);
return BAD_PARAMETER;
}
if ( (foo=Image_compare_desc(src, dst)) ) {
fprintf(stderr, "%s : images are differents %d\n", __func__, foo);
return foo;
}
taille = src->width - (abs(p*2));
#if DEBUG_LEVEL
fprintf(stderr, "%s: largeur %d, taille %d\n", __func__, src->width, taille);
#endif
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/* make a background for left and right border's pixels */
Image_gray_noise_0(dst, 20, 90);
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for (y=0; y<src->height; y++) {
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switch (rand()%3) {
case 0 :
memcpy((dst->Rpix[y]), src->Rpix[y], taille);
memcpy((dst->Gpix[y]), src->Gpix[y], taille);
memcpy((dst->Bpix[y]), src->Bpix[y], taille);
break;
case 1 :
memcpy((dst->Rpix[y])+p, src->Rpix[y], taille);
memcpy((dst->Gpix[y])+p, src->Gpix[y], taille);
memcpy((dst->Bpix[y])+p, src->Bpix[y], taille);
break;
case 2 :
memcpy((dst->Rpix[y])+p+p, src->Rpix[y], taille);
memcpy((dst->Gpix[y])+p+p, src->Gpix[y], taille);
memcpy((dst->Bpix[y])+p+p, src->Bpix[y], taille);
break;
}
}
return FUNC_IS_BETA;
}
/*::------------------------------------------------------------------::*/
/* new 28 janvier 2015 - MixartMyrys */
/* le parametre 'mode' est un flag */
int Image_TV_triligne(Image_Desc *src, Image_Desc *dst, int mode)
{
int x, y, tri, v, idx;
#if DEBUG_LEVEL
fprintf(stderr, "%s ( %p %p %d ) -> ", __func__, src, dst, mode);
if (mode) fprintf(stderr, " rand\n");
else fprintf(stderr, " modulo\n");
#endif
Image_clear(dst, 60, 60, 60); /* XXX necessaire ? */
idx = rand() % 42;
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for (y=0; y<src->height; y++) {
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if (0==mode) {
tri = (idx + y) % 3;
}
else {
tri = rand() % 3;
}
#if DEBUG_LEVEL > 1
fprintf(stderr, " %5d -> %d\n", y, tri);
#endif
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switch (tri) {
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case 0:
for (x=0; x<(src->width)-1; x++) {
v = (src->Rpix[y][x] + src->Rpix[y][x+1]);
dst->Rpix[y][x] = v / 2;
v = (src->Gpix[y][x] + src->Gpix[y][x+1]);
dst->Gpix[y][x] = v / 2;
v = (src->Bpix[y][x] + src->Bpix[y][x+1]);
dst->Bpix[y][x] = v / 2;
}
break;
case 1:
for (x=1; x<(src->width)-1; x++) {
v = src->Rpix[y][x-1] + src->Rpix[y][x+1];
dst->Rpix[y][x] = v / 2;
v = src->Gpix[y][x-1] + src->Gpix[y][x+1];
dst->Gpix[y][x] = v / 2;
v = src->Bpix[y][x-1] + src->Bpix[y][x+1];
dst->Bpix[y][x] = v / 2;
}
break;
case 2:
for (x=1; x<src->width; x++) {
v = src->Rpix[y][x] + src->Rpix[y][x-1];
dst->Rpix[y][x] = v / 2;
v = src->Gpix[y][x] + src->Gpix[y][x-1];
dst->Gpix[y][x] = v / 2;
v = src->Bpix[y][x] + src->Bpix[y][x-1];
dst->Bpix[y][x] = v / 2;
}
break;
default:
/* blam< */
abort();
}
}
return FULL_NUCKED;
}
/*::------------------------------------------------------------------::*/