DenysMedvid/pdf2htmlEX
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working on base64

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This commit is contained in:
Lu Wang 2012-08-14 21:23:33 +08:00
parent 29a2d35202
commit 1bee39547e
5 changed files with 61 additions and 5 deletions
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2
README.md
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@ -30,7 +30,7 @@ Not supported yet
Dependency
----------------------------
* libpoppler with xpdf header >= 0.20.2
* boost c++ library (format, program options, gil, filesystem)
* boost c++ library (format, program options, gil, filesystem, serialization)
* fontforge **Please use [the lastest version](https://github.com/fontforge/fontforge)**
HOW TO COMPILE

4
bin/pdf2htmlEX.in
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@ -10,9 +10,9 @@ rm -f $TMPDIR/* 2>/dev/null
$LIBDIR/pdf2htmlEX $*
if [ -f $TMPDIR/convert.pe ]; then
if [ -f $TMPDIR/pdf2htmlEX.pe ]; then
echo -n "Converting fonts: "
fontforge -script $TMPDIR/convert.pe 2>/dev/null
fontforge -script $TMPDIR/pdf2htmlEX.pe 2>/dev/null
echo "."
fi

18
src/HTMLRenderer/export.cc
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@ -36,7 +36,23 @@ using boost::algorithm::ifind_first;
void HTMLRenderer::export_remote_font(long long fn_id, const string & suffix, const string & fontfileformat, GfxFont * font)
{
allcss_fout << format("@font-face{font-family:f%|1$x|;src:url(f%|1$x|%2%)format(\"%3%\");}.f%|1$x|{font-family:f%|1$x|;") % fn_id % suffix % fontfileformat;
//allcss_fout << format("@font-face{font-family:f%|1$x|;src:url(f%|1$x|%2%)format(\"%3%\");}.f%|1$x|{font-family:f%|1$x|;") % fn_id % suffix % fontfileformat;
allcss_fout << format("@font-face{font-family:f%|1$x|;src:url(") % fn_id;
if(param->single_html)
{
allcss_fout << "'data:font/" << fontfileformat << ";base64,";
//TODO
allcss_fout << "'";
}
else
{
allcss_fout << format("f%|1$x|%2%") % fn_id % suffix;
}
allcss_fout << format(")format(\"%1%\");}.f%|2$x|{font-family:f%|2$x|;") % fontfileformat % fn_id;
double a = font->getAscent();
double d = font->getDescent();

16
src/HTMLRenderer/general.cc
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@ -129,7 +129,21 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
html_fout << format("<div id=\"page-%3%\" class=\"p\" style=\"width:%1%px;height:%2%px;") % pageWidth % pageHeight % pageNum;
html_fout << format("background-image:url(p%|3$x|.png);background-position:0 0;background-size:%1%px %2%px;background-repeat:no-repeat;") % pageWidth % pageHeight % pageNum;
html_fout << "background-image:url(";
const std::string fn = (format("p%|1$x|.png") % pageNum).str();
if(param->single_html)
{
html_fout << "'data:image/png;base64,";
copy_base64(html_fout, ifstream(tmp_dir / fn));
html_fout << "'";
}
else
{
html_fout << fn;
}
html_fout << format(");background-position:0 0;background-size:%1%px %2%px;background-repeat:no-repeat;") % pageWidth % pageHeight;
html_fout << "\">" << endl;

26
src/util.h
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@ -11,12 +11,26 @@
#define UTIL_H__
#include <algorithm>
#include <istream>
#include <ostream>
#include <iterator>
#include <boost/archive/iterators/transform_width.hpp>
#include <boost/archive/iterators/base64_from_binary.hpp>
#include <UTF8.h>
#include "Consts.h"
using std::istream;
using std::ostream;
using std::istream_iterator;
using std::ostream_iterator;
using std::copy;
using boost::archive::iterators::base64_from_binary;
using boost::archive::iterators::transform_width;
// mute gcc
namespace
{
@ -109,5 +123,17 @@ public:
double _[6];
};
// TODO: padding bug of boost
static inline void copy_base64 (ostream & out, istream & in)
{
typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter;
copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out));
}
static inline void copy_base64 (ostream & out, istream && in)
{
typedef base64_from_binary < transform_width < istream_iterator<char>, 6, 8 > > base64_iter;
copy(base64_iter(istream_iterator<char>(in)), base64_iter(istream_iterator<char>()), ostream_iterator<char>(out));
}
#endif //UTIL_H__