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149 lines
3.1 KiB
149 lines
3.1 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 "ksquirrel-libs/fmt_types.h"
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#include "ksquirrel-libs/fmt_utils.h"
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#include "ksquirrel-libs/fileio.h"
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#include "ksquirrel-libs/error.h"
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#include "fmt_codec_jbig_defs.h"
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#include "fmt_codec_jbig.h"
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#include "../xpm/codec_jbig.xpm"
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#include "jbig2mem.h"
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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 = "0.1.1";
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o->name = "JBIG";
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o->filter = "*.jbg *.jbig ";
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o->config = "";
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o->mime = "";
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o->mimetype = "image/x-jbig";
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o->pixmap = codec_jbig;
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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 = true;
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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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frs.close();
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const char *argv[2] =
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{
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file.c_str(),
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tmp.c_str()
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};
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if(jbig2mem((char **)argv))
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return SQE_R_NOMEMORY;
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frs.open(tmp.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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u32 w, h, bpp;
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frs.readK(&w, sizeof(u32));
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frs.readK(&h, sizeof(u32));
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frs.readK(&bpp, sizeof(u32));
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if(bpp != 24)
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return SQE_R_BADFILE;
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image.w = w;
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image.h = h;
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image.bpp = bpp;
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image.compression = "?";
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image.colorspace = fmt_utils::colorSpaceByBpp(1);
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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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RGB rgb;
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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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frs.readK(&rgb, sizeof(RGB));
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memcpy(scan+i, &rgb, sizeof(RGB));
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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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