92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
|
/*
|
||
|
|
Zooms sur les images
|
||
|
|
--------------------
|
||
|
|
new 31 janvier 2009 - avenue Saint Exupery
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include "tthimage.h"
|
||
|
|
|
||
|
|
/*::------------------------------------------------------------------::*/
|
||
|
|
/* private variables */
|
||
|
|
/*::------------------------------------------------------------------::*/
|
||
|
|
/* private functions */
|
||
|
|
/*::------------------------------------------------------------------::*/
|
||
|
|
int Image_essai_zoom(Image_Desc *src, Image_Desc *dst,
|
||
|
|
double kx, double ky, int flags)
|
||
|
|
{
|
||
|
|
int xd, yd, xs, ys;
|
||
|
|
int rd, gd, bd;
|
||
|
|
double dxs, dys; /* destination float position */
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
long hit, mess;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
fprintf(stderr, "%s : %p -> %p %f %f 0x%x\n", __func__,
|
||
|
|
src, dst, kx, ky, flags);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* initilaisation de variables de debug/comptage */
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
hit = mess = 0L;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
for (xd=0; xd<dst->width; xd++)
|
||
|
|
{
|
||
|
|
dxs = (double)xd * kx;
|
||
|
|
for (yd=0; yd<dst->height; yd++)
|
||
|
|
{
|
||
|
|
rd = gd = bd = 42;
|
||
|
|
|
||
|
|
dys = (double)yd * ky; /* kikoo lol */
|
||
|
|
xs = (int)dxs;
|
||
|
|
ys = (int)dys;
|
||
|
|
|
||
|
|
if ( Image_xy_inside(src, xs, ys) )
|
||
|
|
{
|
||
|
|
Image_getRGB(src, xs, ys, &rd, &gd, &bd);
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
hit++;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
else mess++;
|
||
|
|
#endif
|
||
|
|
Image_plotRGB(dst, xd, yd, rd, gd, bd);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
fprintf(stderr, "%s -> hit=%ld mess=%ld\n", __func__, hit, mess);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return BAD_ZOOM;
|
||
|
|
}
|
||
|
|
/*::------------------------------------------------------------------::*/
|
||
|
|
int Image_zoom_000(Image_Desc *src, Image_Desc *dst, Image_Rect *rect)
|
||
|
|
{
|
||
|
|
int xd, yd, r, g, b;
|
||
|
|
double fxd, fyd;
|
||
|
|
|
||
|
|
#if DEBUG_LEVEL
|
||
|
|
fprintf(stderr, "%s ( %p %p %p )\n", __func__, src, dst, rect);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
for (yd=0; yd<dst->height; yd++)
|
||
|
|
{
|
||
|
|
fyd = (double)yd;
|
||
|
|
for (xd=0; xd<dst->height; xd++)
|
||
|
|
{
|
||
|
|
fxd = (double)xd;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return FULL_NUCKED;
|
||
|
|
}
|
||
|
|
/*::------------------------------------------------------------------::*/
|