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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/fmt_utils.h"
#include "ksquirrel-libs/fileio.h"
#include "ksquirrel-libs/error.h"
#include "fmt_codec_xwd_defs.h"
#include "fmt_codec_xwd.h"
#include "../xpm/codec_xwd.xpm"
/*
*
* The XWD (X Window Dump) format is used specifically to store screen
* dumps
*
* Created by the X Window System. Under X11, screen dumps are created by the
* xwd client. Using xwd, the window or background is selected to
* dump and an XWD file is produced containing an image of the window. If you
* issue the following command:
*
* $ xwd -root > output.xwd
*
*/
fmt_codec::fmt_codec() : fmt_codec_base()
{}
fmt_codec::~fmt_codec()
{}
void fmt_codec::options(codec_options *o)
{
o->version = "0.4.3";
o->name = "X Window Dump";
o->filter = "*.xwd ";
o->config = "";
o->mime = "";
o->mimetype = "image/x-xwd";
o->pixmap = codec_xwd;
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;
pal = NULL;
finfo.animated = false;
return SQE_OK;
}
s32 fmt_codec::read_next()
{
XWDFileHeader xfh;
currentImage++;
if(currentImage)
return SQE_NOTOK;
fmt_image image;
XWDColor color;
s8 str[256];
s32 i, ncolors;
if(!frs.readK(&xfh, sizeof(XWDFileHeader))) return SQE_R_BADFILE;
xfh.file_version = fmt_utils::konvertLong(xfh.file_version);
if(xfh.file_version != XWD_FILE_VERSION)
return SQE_R_BADFILE;
frs.get(str, 255, '\n');
frs.clear();
frs.seekg(fmt_utils::konvertLong(xfh.header_size), ios::beg);
pal_entr = ncolors = fmt_utils::konvertLong(xfh.ncolors);
pal = new RGB [ncolors];
if(!pal)
return SQE_R_NOMEMORY;
for(i = 0;i < ncolors;i++)
{
if(!frs.readK(&color, sizeof(XWDColor))) return SQE_R_BADFILE;
pal[i].r = (s8)fmt_utils::konvertWord(color.red);
pal[i].g = (s8)fmt_utils::konvertWord(color.green);
pal[i].b = (s8)fmt_utils::konvertWord(color.blue);
}
image.w = fmt_utils::konvertLong(xfh.pixmap_width);
image.h = fmt_utils::konvertLong(xfh.pixmap_height);
image.bpp = fmt_utils::konvertLong(xfh.bits_per_pixel);//fmt_utils::konvertLong(xfh.pixmap_depth);
if(image.bpp != 24 && image.bpp != 32)
return SQE_R_NOTSUPPORTED;
fmt_metaentry mt;
mt.group = "Window Name";
mt.data = str;
addmeta(mt);
image.compression = "-";
image.colorspace = "RGB";
filler = fmt_utils::konvertLong(xfh.bytes_per_line) - image.w * image.bpp / 8;
finfo.image.push_back(image);
return SQE_OK;
}
s32 fmt_codec::read_next_pass()
{
return SQE_OK;
}
s32 fmt_codec::read_scanline(RGBA *scan)
{
s32 i;
RGBA rgba;
RGB rgb;
u8 d;
fmt_image *im = image(currentImage);
fmt_utils::fillAlpha(scan, im->w);
switch(im->bpp)
{
case 24:
for(i = 0;i < im->w;i++)
{
if(!frs.readK(&rgb, sizeof(RGB))) return SQE_R_BADFILE;
memcpy(scan+i, &rgb, sizeof(RGB));
}
for(s32 s = 0;s < filler;s++)
if(!frs.readK(&d, 1))
return SQE_R_BADFILE;
break;
case 32:
for(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;
}
for(s32 s = 0;s < filler;s++)
if(!frs.readK(&d, 1))
return SQE_R_BADFILE;
break;
}
return SQE_OK;
}
void fmt_codec::read_close()
{
frs.close();
delete [] pal;
pal = NULL;
finfo.meta.clear();
finfo.image.clear();
}
#include "fmt_codec_cd_func.h"
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