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167 lines
3.6 KiB
167 lines
3.6 KiB
15 years ago
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/* 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 "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_xcur_defs.h"
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#include "fmt_codec_xcur.h"
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#include "../xpm/codec_xcur.xpm"
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/*
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*
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* Library to support X cursors.
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*
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* You can test it with nice cursors from http://kde-apps.org
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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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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 = "0.4.0";
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o->name = "X Cursors";
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o->filter = "";
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o->config = "";
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o->mime = "Xcur";
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o->mimetype = "image/x-xcursor";
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o->pixmap = codec_xcur;
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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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currentToc = -1;
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if(!frs.readK(&xcur_h, sizeof(XCUR_HEADER))) return SQE_R_BADFILE;
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tocs = new XCUR_CHUNK_DESC [xcur_h.ntoc];
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if(!tocs)
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return SQE_R_NOMEMORY;
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if(!frs.readK(tocs, sizeof(XCUR_CHUNK_DESC) * xcur_h.ntoc)) return SQE_R_BADFILE;
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lastToc = 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(lastToc)
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{
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finfo.animated = (currentToc > 0);
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return SQE_NOTOK;
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}
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do
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{
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currentToc++;
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}
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while(tocs[currentToc].type != XCUR_CHUNK_TYPE_IMAGE && currentToc < (s32)xcur_h.ntoc);
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if(currentToc == (s32)xcur_h.ntoc-1)
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lastToc = true;
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fmt_image image;
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frs.seekg(tocs[currentToc].pos, ios::beg);
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if(!frs.readK(&xcur_chunk, sizeof(XCUR_CHUNK_HEADER))) return SQE_R_BADFILE;
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if(!frs.readK(&xcur_im, sizeof(XCUR_CHUNK_IMAGE))) return SQE_R_BADFILE;
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image.w = xcur_im.width;
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image.h = xcur_im.height;
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image.bpp = 32;
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image.delay = xcur_im.delay;
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image.hasalpha = true;
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image.compression = "-";
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image.colorspace = "ARGB";
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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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RGBA rgba;
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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(&rgba, sizeof(RGBA))) return SQE_R_BADFILE;
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(scan+i)->r = rgba.b;
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(scan+i)->g = rgba.g;
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(scan+i)->b = rgba.r;
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(scan+i)->a = rgba.a;
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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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delete [] tocs;
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tocs = NULL;
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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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