diff options
Diffstat (limited to 'kernel/kls_jbig/fmt_codec_jbig.cpp')
-rw-r--r-- | kernel/kls_jbig/fmt_codec_jbig.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/kernel/kls_jbig/fmt_codec_jbig.cpp b/kernel/kls_jbig/fmt_codec_jbig.cpp new file mode 100644 index 0000000..d1cfa81 --- /dev/null +++ b/kernel/kls_jbig/fmt_codec_jbig.cpp @@ -0,0 +1,148 @@ +/* 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 "ksquirrel-libs/fmt_types.h" +#include "ksquirrel-libs/fmt_utils.h" +#include "ksquirrel-libs/fileio.h" +#include "ksquirrel-libs/error.h" + +#include "fmt_codec_jbig_defs.h" +#include "fmt_codec_jbig.h" + +#include "../xpm/codec_jbig.xpm" + +#include "jbig2mem.h" + +fmt_codec::fmt_codec() : fmt_codec_base() +{} + +fmt_codec::~fmt_codec() +{} + +void fmt_codec::options(codec_options *o) +{ + o->version = "0.1.1"; + o->name = "JBIG"; + o->filter = "*.jbg *.jbig "; + o->config = ""; + o->mime = ""; + o->mimetype = "image/x-jbig"; + o->pixmap = codec_jbig; + o->readable = true; + o->canbemultiple = false; + o->writestatic = false; + o->writeanimated = false; + o->needtempfile = true; +} + +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; + + frs.close(); + + const char *argv[2] = + { + file.c_str(), + tmp.c_str() + }; + + if(jbig2mem((char **)argv)) + return SQE_R_NOMEMORY; + + frs.open(tmp.c_str(), ios::binary | ios::in); + + if(!frs.good()) + return SQE_R_NOFILE; + + currentImage = -1; + read_error = false; + + 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 != 24) + return SQE_R_BADFILE; + + image.w = w; + image.h = h; + image.bpp = bpp; + + image.compression = "?"; + image.colorspace = fmt_utils::colorSpaceByBpp(1); + + 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; + fmt_image *im = image(currentImage); + fmt_utils::fillAlpha(scan, im->w); + + 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(); +} + +#include "fmt_codec_cd_func.h" |