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174 lines
3.6 KiB
174 lines
3.6 KiB
/* This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
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Copyright (c) 2004 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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as32 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/error.h"
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#include "ksquirrel-libs/fmt_utils.h"
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#include "fmt_codec_cut_defs.h"
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#include "fmt_codec_cut.h"
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#include "../xpm/codec_cut.xpm"
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/*
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*
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* The Dr. Halo file format is a device-independent interchange format used for
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* transporting image data from one hardware environment or operating system to
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* another. This format is associated with the HALO Image File Format
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* Library.
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*
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*/
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fmt_codec::fmt_codec() : fmt_codec_base()
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{
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for(s32 i = 0;i < 256;i++)
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memset(pal+i, i, sizeof(RGB));
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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 = "Dr. Halo CUT";
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o->filter = "*.cut ";
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o->config = "";
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o->mime = "";
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o->mimetype = "image/x-cut";
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o->pixmap = codec_cut;
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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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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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s16 width, height;
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s32 dummy;
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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(&width, sizeof(s16))) return SQE_R_BADFILE;
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if(!frs.readK(&height, sizeof(s16))) return SQE_R_BADFILE;
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if(!frs.readK(&dummy, sizeof(s32))) return SQE_R_BADFILE;
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image.w = width;
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image.h = height;
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image.bpp = 8;
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image.compression = "RLE";
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image.colorspace = "Color indexed";
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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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s32 i = 0, j;
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u8 count, run, c;
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fmt_image *im = image(currentImage);
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fmt_utils::fillAlpha(scan, im->w);
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while(i < im->w)
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{
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if(!frs.readK(&count, 1)) return SQE_R_BADFILE;
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if(count == 0)
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{
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frs.readK(&c, 1);
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if(!frs.readK(&c, 1)) return SQE_R_BADFILE;
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continue; // ugly hack
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}
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else if(count & 0x80)
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{
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count &= ~(0x80);
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if(!frs.readK(&run, 1)) return SQE_R_BADFILE;
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for(j = 0;j < count;j++)
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{
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memcpy(scan+i, pal+run, sizeof(RGB));
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i++;
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}
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}
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else
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{
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for(j = 0;j < count;j++)
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{
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if(!frs.readK(&run, 1)) return SQE_R_BADFILE;
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memcpy(scan+i, pal+run, sizeof(RGB));
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i++;
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}
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}
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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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