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