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/* This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
Copyright (c) 2005 Dmitry Baryshev <[email protected]>
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
along 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 <stdlib.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_rawrgb_defs.h"
#include "fmt_codec_rawrgb.h"
#include "../xpm/codec_rawrgb.xpm"
/*
*
* This is a codec to read and write internal raw image format.
* This format has a simple header folowed by uncompressed image data in
* 24 or 32 bit format. Width, height and bit depth are integers (unsigned int, or u32).
*
* File structure:
*
* <WIDTH><HEIGHT><BIT_DEPTH>
* <UNCOMPRESSED IMAGE DATA>
*
* Example:
*
* [ 32][ 32][ 24]
* [RGB][RGB][RGB][RGB]...
*
*/
fmt_codec::fmt_codec() : fmt_codec_base()
{}
fmt_codec::~fmt_codec()
{}
void fmt_codec::options(codec_options *o)
{
o->version = "1.0.0";
o->name = "Raw uncompressed RGB image";
o->filter = "*.rawrgb ";
o->config = "";
o->mime = "";
o->mimetype = "image/x-rawrgb";
o->pixmap = codec_rawrgb;
o->readable = true;
o->canbemultiple = false;
o->writestatic = true;
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;
finfo.animated = false;
return SQE_OK;
}
s32 fmt_codec::read_next()
{
currentImage++;
if(currentImage)
return SQE_NOTOK;
fmt_image image;
u32 w, h, bpp;
frs.readK(&w, sizeof(u32));
frs.readK(&h, sizeof(u32));
frs.readK(&bpp, sizeof(u32));
if(bpp != 32 && bpp != 24)
return SQE_R_BADFILE;
image.w = w;
image.h = h;
image.bpp = bpp;
image.compression = "-";
image.colorspace = (bpp == 24 ? "RGB" : "RGBA");
finfo.image.push_back(image);
return SQE_OK;
}
s32 fmt_codec::read_next_pass()
{
return SQE_OK;
}
s32 fmt_codec::read_scanline(RGBA *scan)
{
RGB rgb;
RGBA rgba;
fmt_image *im = image(currentImage);
fmt_utils::fillAlpha(scan, im->w);
if(im->bpp == 32)
for(s32 i = 0;i < im->w;i++)
{
frs.readK(&rgba, sizeof(RGBA));
memcpy(scan+i, &rgba, sizeof(RGBA));
}
else
for(s32 i = 0;i < im->w;i++)
{
frs.readK(&rgb, sizeof(RGB));
memcpy(scan+i, &rgb, sizeof(RGB));
}
return SQE_OK;
}
void fmt_codec::read_close()
{
frs.close();
finfo.meta.clear();
finfo.image.clear();
}
void fmt_codec::getwriteoptions(fmt_writeoptionsabs *opt)
{
opt->interlaced = false;
opt->compression_scheme = CompressionNo;
opt->compression_min = 0;
opt->compression_max = 0;
opt->compression_def = 0;
opt->passes = 1;
opt->needflip = false;
opt->palette_flags = 0 | fmt_image::pure32;
}
s32 fmt_codec::write_init(const std::string &file, const fmt_image &image, const fmt_writeoptions &opt)
{
if(!image.w || !image.h || file.empty())
return SQE_W_WRONGPARAMS;
writeimage = image;
writeopt = opt;
fws.open(file.c_str(), ios::binary | ios::out);
if(!fws.good())
return SQE_W_NOFILE;
return SQE_OK;
}
s32 fmt_codec::write_next()
{
s32 bpp = 32;
if(!fws.writeK(&writeimage.w, sizeof(s32))) return SQE_W_ERROR;
if(!fws.writeK(&writeimage.h, sizeof(s32))) return SQE_W_ERROR;
if(!fws.writeK(&bpp, sizeof(s32))) return SQE_W_ERROR;
return SQE_OK;
}
s32 fmt_codec::write_next_pass()
{
return SQE_OK;
}
s32 fmt_codec::write_scanline(RGBA *scan)
{
u8 *p, a;
for(s32 j = 0;j < writeimage.w;j++)
{
p = (u8 *)(scan +j);
fws.writeK(p, sizeof(u8));
fws.writeK(p+1, sizeof(u8));
fws.writeK(p+2, sizeof(u8));
a = (writeopt.alpha) ? *(p+3) : 255;
if(!fws.writeK(&a, sizeof(u8))) return SQE_W_ERROR;
}
return SQE_OK;
}
void fmt_codec::write_close()
{
fws.close();
}
std::string fmt_codec::extension(const s32 /*bpp*/)
{
return std::string("rawrgb");
}
#include "fmt_codec_cd_func.h"
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