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156 lines
3.4 KiB
156 lines
3.4 KiB
/* This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
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Copyright (c) 2005 Dmitry Baryshev <ksquirrel@tut.by>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation;
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either version 2 of the License, or (at your option) any later
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version.
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This library 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. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <iostream>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "ksquirrel-libs/fmt_types.h"
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#include "ksquirrel-libs/fileio.h"
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#include "ksquirrel-libs/fmt_utils.h"
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#include "fmt_codec_lif_defs.h"
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#include "fmt_codec_lif.h"
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#include "ksquirrel-libs/error.h"
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#include "../xpm/codec_lif.xpm"
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fmt_codec::fmt_codec() : fmt_codec_base()
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{}
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fmt_codec::~fmt_codec()
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{}
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void fmt_codec::options(codec_options *o)
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{
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o->version = "0.1.2";
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o->name = "Homeworld LIF";
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o->filter = "*.lif ";
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o->config = "";
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o->mime = "";
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o->mimetype = "image/x-lif";
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o->pixmap = codec_lif;
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o->readable = true;
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o->canbemultiple = false;
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o->writestatic = false;
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o->writeanimated = false;
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o->needtempfile = false;
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}
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s32 fmt_codec::read_init(const std::string &file)
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{
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frs.open(file.c_str(), ios::binary | ios::in);
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if(!frs.good())
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return SQE_R_NOFILE;
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currentImage = -1;
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read_error = false;
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finfo.animated = false;
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return SQE_OK;
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}
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s32 fmt_codec::read_next()
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{
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currentImage++;
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if(currentImage)
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return SQE_NOTOK;
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fmt_image image;
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if(!frs.readK(&lif, sizeof(lif_header))) return SQE_R_BADFILE;
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/*
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lif.version = fmt_utils::konvertLong(lif.version);
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lif.flags = fmt_utils::konvertLong(lif.flags);
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lif.width = fmt_utils::konvertLong(lif.width);
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lif.height = fmt_utils::konvertLong(lif.height);
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lif.palOffset = fmt_utils::konvertLong(lif.palOffset);
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if(lif.version != LIF_VERSION || lif.flags != LIF_FLAGS)
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return SQE_R_BADFILE;
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*/
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if(strcmp(lif.id, LIF_ID))
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return SQE_R_BADFILE;
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image.w = lif.width;
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image.h = lif.height;
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fstream::pos_type pos = frs.tellg();
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frs.seekg(lif.width * lif.height, ios::beg);
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if(!frs.readK(pal, sizeof(pal)))
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return SQE_R_BADFILE;
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frs.seekg(pos);
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image.compression = "-";
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image.colorspace = fmt_utils::colorSpaceByBpp(8);
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image.bpp = 8;
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image.hasalpha = (bool)(lif.flags & 0x08);
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bytes = image.hasalpha ? sizeof(RGBA) : sizeof(RGB);
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finfo.image.push_back(image);
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return SQE_OK;
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}
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s32 fmt_codec::read_next_pass()
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{
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return SQE_OK;
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}
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s32 fmt_codec::read_scanline(RGBA *scan)
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{
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u8 c;
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fmt_image *im = image(currentImage);
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fmt_utils::fillAlpha(scan, im->w);
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for(s32 i = 0;i < im->w;i++)
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{
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if(!frs.readK(&c, sizeof(u8))) return SQE_R_BADFILE;
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c++;
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memcpy(scan+i, pal+c, bytes);
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}
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return SQE_OK;
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}
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void fmt_codec::read_close()
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{
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frs.close();
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finfo.meta.clear();
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finfo.image.clear();
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}
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#include "fmt_codec_cd_func.h"
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