tTh/FloatImg
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more glitching is not a crime

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le vieux
2020-11-10 19:30:49 +01:00
parent 2790b3d22f
commit 993b4ecd7d
5 changed files with 71 additions and 0 deletions
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51
Fonderie/glitches.c
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@@ -51,4 +51,55 @@ for (idx=0; idx<number; idx++) {
return foo;
}
/* -------------------------------------------------------------- */
int un_petit_flou_8x8(FloatImg *picture, int xpos, int ypos)
{
float sr, sg, sb;
int x, y, off;
/*
* please add boundary check ?
*/
sr = sg = sb = 0.0;
for (y=0; y<8; y++) {
off = xpos + (picture->width * (y+ypos));
for (x=0; x<8; x++) {
sr += picture->R[off];
sg += picture->G[off];
sb += picture->B[off];
off++;
}
}
sr /= 64.0; sg /= 64.0; sb /= 64.0;
for (y=0; y<8; y++) {
off = xpos + (picture->width * (y+ypos));
for (x=0; x<8; x++) {
picture->R[off] = sr;
picture->G[off] = sg;
picture->B[off] = sb;
off++;
}
}
return 0;
}
/* -------------------------------------------------------------- */
int un_moyen_flou_8x8(FloatImg *picture, int xpos, int ypos)
{
int i, j, x, y;
for (i=y=0; i<8; i++, y+=8) {
for (j=x=0; j<8; j++, x+=8 ) {
un_petit_flou_8x8(picture, x+xpos, y+ypos);
}
}
return -1;
}
/* -------------------------------------------------------------- */
int poke_a_random_pixel(FloatImg *picz, float fval, int kaboo)
{
return -1;
}
/* -------------------------------------------------------------- */