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/* This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
Copyright (c) 2004 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
as32 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 "ksquirrel-libs/fmt_types.h"
#include "ksquirrel-libs/fileio.h"
#include "ksquirrel-libs/error.h"
#include "ksquirrel-libs/fmt_utils.h"
#include "fmt_codec_xcur_defs.h"
#include "fmt_codec_xcur.h"
#include "../xpm/codec_xcur.xpm"
/*
*
* Library to support X cursors.
*
* You can test it with nice cursors from http://kde-apps.org
*
*/
fmt_codec::fmt_codec() : fmt_codec_base()
{}
fmt_codec::~fmt_codec()
{}
void fmt_codec::options(codec_options *o)
{
o->version = "0.4.0";
o->name = "X Cursors";
o->filter = "";
o->config = "";
o->mime = "Xcur";
o->mimetype = "image/x-xcursor";
o->pixmap = codec_xcur;
o->readable = true;
o->canbemultiple = false;
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;
currentToc = -1;
if(!frs.readK(&xcur_h, sizeof(XCUR_HEADER))) return SQE_R_BADFILE;
tocs = new XCUR_CHUNK_DESC [xcur_h.ntoc];
if(!tocs)
return SQE_R_NOMEMORY;
if(!frs.readK(tocs, sizeof(XCUR_CHUNK_DESC) * xcur_h.ntoc)) return SQE_R_BADFILE;
lastToc = false;
finfo.animated = false;
return SQE_OK;
}
s32 fmt_codec::read_next()
{
currentImage++;
if(lastToc)
{
finfo.animated = (currentToc > 0);
return SQE_NOTOK;
}
do
{
currentToc++;
}
while(tocs[currentToc].type != XCUR_CHUNK_TYPE_IMAGE && currentToc < (s32)xcur_h.ntoc);
if(currentToc == (s32)xcur_h.ntoc-1)
lastToc = true;
fmt_image image;
frs.seekg(tocs[currentToc].pos, ios::beg);
if(!frs.readK(&xcur_chunk, sizeof(XCUR_CHUNK_HEADER))) return SQE_R_BADFILE;
if(!frs.readK(&xcur_im, sizeof(XCUR_CHUNK_IMAGE))) return SQE_R_BADFILE;
image.w = xcur_im.width;
image.h = xcur_im.height;
image.bpp = 32;
image.delay = xcur_im.delay;
image.hasalpha = true;
image.compression = "-";
image.colorspace = "ARGB";
finfo.image.push_back(image);
return SQE_OK;
}
s32 fmt_codec::read_next_pass()
{
return SQE_OK;
}
s32 fmt_codec::read_scanline(RGBA *scan)
{
RGBA rgba;
fmt_image *im = image(currentImage);
fmt_utils::fillAlpha(scan, im->w);
for(s32 i = 0;i < im->w;i++)
{
if(!frs.readK(&rgba, sizeof(RGBA))) return SQE_R_BADFILE;
(scan+i)->r = rgba.b;
(scan+i)->g = rgba.g;
(scan+i)->b = rgba.r;
(scan+i)->a = rgba.a;
}
return SQE_OK;
}
void fmt_codec::read_close()
{
frs.close();
delete [] tocs;
tocs = NULL;
finfo.meta.clear();
finfo.image.clear();
}
#include "fmt_codec_cd_func.h"
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