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/* This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
Copyright (c) 2005 Dmitry Baryshev <ksquirrel@tut.by>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later
version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "ksquirrel-libs/fmt_types.h"
#include "ksquirrel-libs/fileio.h"
#include "ksquirrel-libs/fmt_utils.h"
#include "fmt_codec_wal_defs.h"
#include "fmt_codec_wal.h"
#include "ksquirrel-libs/error.h"
#include "q2pal.h"
#include "../xpm/codec_wal.xpm"
/*
*
* Quake2 WAL texture
*
*/
fmt_codec::fmt_codec() : fmt_codec_base()
{}
fmt_codec::~fmt_codec()
{}
void fmt_codec::options(codec_options *o)
{
o->version = "0.2.0";
o->name = "Quake2 texture";
o->filter = "*.wal ";
o->config = "";
o->mime = "";
o->mimetype = "image/x-wal";
o->pixmap = codec_wal;
o->readable = true;
o->canbemultiple = true;
o->writestatic = false;
o->writeanimated = false;
o->needtempfile = false;
}
s32 fmt_codec::read_init(const std::string &file)
{
frs.open(file.c_str(), ios::binary | ios::in);
if(!frs.good())
return SQE_R_NOFILE;
currentImage = -1;
read_error = false;
finfo.animated = false;
bits = NULL;
return SQE_OK;
}
s32 fmt_codec::read_next()
{
currentImage++;
if(currentImage == 4)
return SQE_NOTOK;
if(!currentImage)
{
if(!frs.readK(&wal, sizeof(wal_header)))
return SQE_R_BADFILE;
neww = wal.width;
newh = wal.height;
fmt_metaentry mt;
mt.group = "Quake2 texture name";
mt.data = wal.name;
addmeta(mt);
mt.group = "Quake2 next texture name";
mt.data = wal.next_name;
addmeta(mt);
}
else
{
neww /= 2;
newh /= 2;
}
bits = (u8 *)realloc(bits, neww * newh);
if(!bits)
return SQE_R_NOMEMORY;
fmt_image image;
frs.seekg(wal.offset[currentImage], ios::beg);
if(!frs.good())
return SQE_R_BADFILE;
image.w = neww;
image.h = newh;
image.bpp = 8;
image.compression = "-";
image.colorspace = fmt_utils::colorSpaceByBpp(8);
finfo.image.push_back(image);
return SQE_OK;
}
s32 fmt_codec::read_next_pass()
{
return SQE_OK;
}
s32 fmt_codec::read_scanline(RGBA *scan)
{
fmt_image *im = image(currentImage);
fmt_utils::fillAlpha(scan, im->w);
if(!frs.readK(bits, im->w))
return SQE_R_BADFILE;
for(s32 i = 0;i < im->w;i++)
{
scan[i].r = q2pal[bits[i] * 3];
scan[i].g = q2pal[bits[i] * 3 + 1];
scan[i].b = q2pal[bits[i] * 3 + 2];
}
return SQE_OK;
}
void fmt_codec::read_close()
{
frs.close();
finfo.meta.clear();
finfo.image.clear();
if(bits) free(bits);
}
#include "fmt_codec_cd_func.h"
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