mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-20 09:33:11 +00:00
136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
/*
|
|
image.c
|
|
|
|
General image handling
|
|
|
|
Copyright (C) 2003 Harry Roberts
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/dstring.h"
|
|
#include "QF/image.h"
|
|
#include "QF/pcx.h"
|
|
#include "QF/png.h"
|
|
#include "QF/quakefs.h"
|
|
#include "QF/tga.h"
|
|
|
|
VISIBLE tex_t *
|
|
LoadImage (const char *imageFile, int load)
|
|
{
|
|
int tmp;
|
|
dstring_t *tmpFile;
|
|
char *ext;
|
|
tex_t *tex = NULL;
|
|
QFile *fp;
|
|
|
|
// Get the file name without extension
|
|
tmpFile = dstring_new ();
|
|
dstring_copystr (tmpFile, imageFile);
|
|
ext = strrchr (tmpFile->str, '.');
|
|
if (ext)
|
|
tmp = ext - tmpFile->str;
|
|
else
|
|
tmp = tmpFile->size - 1;
|
|
|
|
// Check for a .png
|
|
dstring_replace (tmpFile, tmp, tmpFile->size, ".png", 5);
|
|
fp = QFS_FOpenFile (tmpFile->str);
|
|
if (fp) {
|
|
tex = LoadPNG (fp, load);
|
|
Qclose (fp);
|
|
dstring_delete (tmpFile);
|
|
return (tex);
|
|
}
|
|
|
|
// Check for a .tga
|
|
dstring_replace (tmpFile, tmp, tmpFile->size, ".tga", 5);
|
|
fp = QFS_FOpenFile (tmpFile->str);
|
|
if (fp) {
|
|
tex = LoadTGA (fp, load);
|
|
Qclose (fp);
|
|
dstring_delete (tmpFile);
|
|
return (tex);
|
|
}
|
|
|
|
/*
|
|
// Check for a .jpg
|
|
dstring_replace (tmpFile, tmp, tmpFile->size, ".jpg", 5);
|
|
fp = QFS_FOpenFile (tmpFile->str);
|
|
if (fp) {
|
|
tex = LoadJPG (fp, load);
|
|
Qclose (fp);
|
|
dstring_delete (tmpFile);
|
|
return (tex);
|
|
}
|
|
*/
|
|
|
|
// Check for a .pcx
|
|
dstring_replace (tmpFile, tmp, tmpFile->size, ".pcx", 5);
|
|
fp = QFS_FOpenFile (tmpFile->str);
|
|
if (fp) {
|
|
// Convert, some users don't grok paletted
|
|
tex = LoadPCX (fp, 1, NULL, load);
|
|
Qclose (fp);
|
|
dstring_delete (tmpFile);
|
|
return (tex);
|
|
}
|
|
|
|
dstring_delete (tmpFile);
|
|
return (tex);
|
|
}
|
|
|
|
size_t
|
|
ImageSize (const tex_t *tex, int incl_struct)
|
|
{
|
|
size_t w =tex->width;
|
|
size_t h =tex->height;
|
|
size_t bpp = 1;
|
|
switch (tex->format) {
|
|
case tex_palette:
|
|
case tex_rgb:
|
|
bpp = 3;
|
|
break;
|
|
case tex_l:
|
|
case tex_a:
|
|
bpp = 1;
|
|
break;
|
|
case tex_la:
|
|
bpp = 2;
|
|
break;
|
|
case tex_rgba:
|
|
bpp = 4;
|
|
break;
|
|
case tex_frgba:
|
|
bpp = 16;
|
|
break;
|
|
}
|
|
return bpp * w * h + (incl_struct ? sizeof (tex_t) : 0);
|
|
}
|