138 lines
2.7 KiB
C
138 lines
2.7 KiB
C
/*
|
|
* glitch.c - new sept 2014 - MYRYS
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "../tthimage.h"
|
|
|
|
/*::------------------------------------------------------------------::*/
|
|
int Image_GlitchMe(Image_Desc *src, Image_Desc *dst, char code,
|
|
int k1, char *txt1)
|
|
{
|
|
int foo;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, "%s ( %p %p %d '%s' )\n", __func__, src, dst, k1, txt1);
|
|
#endif
|
|
|
|
switch (code)
|
|
{
|
|
case 'x' :
|
|
foo = Image_Glitch_xor(src, dst, k1);
|
|
break;
|
|
case 's' :
|
|
foo = Image_Glitch_simple(src, dst, k1);
|
|
break;
|
|
default :
|
|
abort();
|
|
break;
|
|
}
|
|
if (foo) {
|
|
fprintf(stderr, "%s got a %d\n", __func__, foo);
|
|
}
|
|
|
|
return FULL_NUCKED;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
int Image_Glitch_xor(Image_Desc *src, Image_Desc *dst, int k)
|
|
{
|
|
int foo;
|
|
int nbre;
|
|
int x, y, d, v;
|
|
int r, g, b;
|
|
|
|
if ( (foo=Image_compare_desc(src, dst)) )
|
|
{
|
|
fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
|
|
return foo;
|
|
}
|
|
|
|
for (nbre=0; nbre<k; nbre++)
|
|
{
|
|
x = rand() % src->width;
|
|
y = rand() % src->height;
|
|
Image_getRGB(src, x, y, &r, &g, &b);
|
|
|
|
d = rand() & 3;
|
|
switch (d)
|
|
{
|
|
case 0:
|
|
for (v=0; v<x; v++)
|
|
Image_XOR_pixel(dst, v, y, r, g, b);
|
|
break;
|
|
case 1:
|
|
for (v=0; v<y; v++)
|
|
Image_XOR_pixel(dst, x, v, r, g, b);
|
|
break;
|
|
case 2:
|
|
for (v=x; v<src->width; v++)
|
|
Image_XOR_pixel(dst, v, y, r, g, b);
|
|
break;
|
|
case 3:
|
|
for (v=y; v<src->height; v++)
|
|
Image_XOR_pixel(dst, x, v, r, g, b);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_ALPHA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/*
|
|
* ok, 12 oct 2014
|
|
*/
|
|
int Image_Glitch_simple(Image_Desc *src, Image_Desc *dst, int k)
|
|
{
|
|
int foo;
|
|
int nbre;
|
|
int x, y, d, v;
|
|
int r, g, b;
|
|
|
|
if ( (foo=Image_compare_desc(src, dst)) )
|
|
{
|
|
fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
|
|
return foo;
|
|
}
|
|
|
|
for (nbre=0; nbre<k; nbre++)
|
|
{
|
|
x = rand() % src->width;
|
|
y = rand() % src->height;
|
|
d = rand() & 3;
|
|
#if 0
|
|
printf("%6d %6d %6d %d\n", nbre, x, y, d);
|
|
#endif
|
|
Image_getRGB(src, x, y, &r, &g, &b);
|
|
|
|
switch (d)
|
|
{
|
|
case 0:
|
|
for (v=0; v<x; v++)
|
|
Image_plotRGB(dst, v, y, r, g, b);
|
|
break;
|
|
case 1:
|
|
for (v=0; v<y; v++)
|
|
Image_plotRGB(dst, x, v, r, g, b);
|
|
break;
|
|
case 2:
|
|
for (v=x; v<src->width; v++)
|
|
Image_plotRGB(dst, v, y, r, g, b);
|
|
break;
|
|
case 3:
|
|
for (v=y; v<src->height; v++)
|
|
Image_plotRGB(dst, x, v, r, g, b);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "blurg in %s\n", __func__);
|
|
return PASTIS;
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_BETA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/*::------------------------------------------------------------------::*/
|
|
/*::------------------------------------------------------------------::*/
|