quakeforge/libs/image/image.c

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/*
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
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#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"
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#include "QF/quakefs.h"
#include "QF/tga.h"
VISIBLE tex_t *
LoadImage (const char *imageFile)
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{
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);
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if (fp) {
tex = LoadPNG (fp);
Qclose (fp);
dstring_delete (tmpFile);
return (tex);
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}
// Check for a .tga
dstring_replace (tmpFile, tmp, tmpFile->size, ".tga", 5);
fp = QFS_FOpenFile (tmpFile->str);
if (fp) {
tex = LoadTGA (fp);
Qclose (fp);
dstring_delete (tmpFile);
return (tex);
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}
/*
// Check for a .jpg
dstring_replace (tmpFile, tmp, tmpFile->size, ".jpg", 5);
fp = QFS_FOpenFile (tmpFile->str);
if (fp) {
tex = LoadJPG (fp);
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) {
tex = LoadPCX (fp, 1, NULL); // Convert, some users don't grok paletted
Qclose (fp);
dstring_delete (tmpFile);
return (tex);
}
dstring_delete (tmpFile);
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return (tex);
}