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mirror of https://github.com/pdf2htmlEX/pdf2htmlEX.git synced 2024-12-22 04:50:09 +00:00

install.cc export.cc -> font.cc

This commit is contained in:
Lu Wang 2013-02-05 22:00:23 +08:00
parent 31861e7acb
commit 75c2c8cba1
3 changed files with 118 additions and 139 deletions

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@ -147,10 +147,9 @@ add_executable(pdf2htmlEX
src/pdf2htmlEX.cc
src/HTMLRenderer/HTMLRenderer.h
src/HTMLRenderer/draw.cc
src/HTMLRenderer/export.cc
src/HTMLRenderer/general.cc
src/HTMLRenderer/image.cc
src/HTMLRenderer/install.cc
src/HTMLRenderer/font.cc
src/HTMLRenderer/TextLineBuffer.h
src/HTMLRenderer/TextLineBuffer.cc
src/HTMLRenderer/link.cc

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@ -1,133 +0,0 @@
/*
* export.cc
*
* Export styles to HTML
*
* Copyright (C) 2012,2013 Lu Wang <coolwanglu@gmail.com>
*/
#include <sstream>
#include <cctype>
#include "HTMLRenderer.h"
#include "util/namespace.h"
#include "util/base64stream.h"
#include "util/math.h"
#include "util/misc.h"
namespace pdf2htmlEX {
using std::cerr;
using std::endl;
void HTMLRenderer::export_remote_font(const FontInfo & info, const string & suffix, GfxFont * font)
{
string mime_type, format;
if(suffix == ".ttf")
{
format = "truetype";
mime_type = "application/x-font-ttf";
}
else if(suffix == ".otf")
{
format = "opentype";
mime_type = "application/x-font-otf";
}
else if(suffix == ".woff")
{
format = "woff";
mime_type = "application/font-woff";
}
else if(suffix == ".eot")
{
format = "embedded-opentype";
mime_type = "application/vnd.ms-fontobject";
}
else if(suffix == ".svg")
{
format = "svg";
mime_type = "image/svg+xml";
}
else
{
cerr << "Warning: unknown font suffix: " << suffix << endl;
}
f_css.fs << "@font-face{"
<< "font-family:f" << info.id << ";"
<< "src:url(";
{
auto fn = str_fmt("f%llx%s", info.id, suffix.c_str());
if(param->single_html)
{
auto path = param->tmp_dir + "/" + (char*)fn;
ifstream fin(path, ifstream::binary);
if(!fin)
throw "Cannot locate font file: " + path;
f_css.fs << "'data:font/" + mime_type + ";base64," << base64stream(fin) << "'";
}
else
{
f_css.fs << (char*)fn;
}
}
f_css.fs << ")"
<< "format(\"" << format << "\");"
<< "}" // end of @font-face
<< ".f" << info.id << "{"
<< "font-family:f" << info.id << ";"
<< "line-height:" << round(info.ascent - info.descent) << ";"
<< "font-style:normal;"
<< "font-weight:normal;"
<< "visibility:visible;"
<< "}" // end of .f
<< endl;
}
static string general_font_family(GfxFont * font)
{
if(font->isFixedWidth())
return "monospace";
else if (font->isSerif())
return "serif";
else
return "sans-serif";
}
// TODO: this function is called when some font is unable to process, may use the name there as a hint
void HTMLRenderer::export_remote_default_font(long long fn_id)
{
f_css.fs << ".f" << fn_id << "{font-family:sans-serif;visibility:hidden;}" << endl;
}
void HTMLRenderer::export_local_font(const FontInfo & info, GfxFont * font, const string & original_font_name, const string & cssfont)
{
f_css.fs << ".f" << info.id << "{";
f_css.fs << "font-family:" << ((cssfont == "") ? (original_font_name + "," + general_font_family(font)) : cssfont) << ";";
string fn = original_font_name;
for(auto iter = fn.begin(); iter != fn.end(); ++iter)
*iter = tolower(*iter);
if(font->isBold() || (fn.find("bold") != string::npos))
f_css.fs << "font-weight:bold;";
else
f_css.fs << "font-weight:normal;";
if(fn.find("oblique") != string::npos)
f_css.fs << "font-style:oblique;";
else if(font->isItalic() || (fn.find("italic") != string::npos))
f_css.fs << "font-style:italic;";
else
f_css.fs << "font-style:normal;";
f_css.fs << "line-height:" << round(info.ascent - info.descent) << ";";
f_css.fs << "visibility:visible;";
f_css.fs << "}" << endl;
}
} //namespace pdf2hmlEX

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@ -1,7 +1,7 @@
/*
* install.cc
* font.cc
*
* maintaining all known styles
* Font processing
*
* Copyright (C) 2012,2013 Lu Wang <coolwanglu@gmail.com>
*/
@ -9,6 +9,8 @@
#include <iostream>
#include <cmath>
#include <algorithm>
#include <sstream>
#include <cctype>
#include <GlobalParams.h>
@ -17,6 +19,7 @@
#include "util/namespace.h"
#include "util/math.h"
#include "util/misc.h"
#include "util/base64stream.h"
namespace pdf2htmlEX {
@ -211,5 +214,115 @@ void HTMLRenderer::install_external_font(GfxFont * font, FontInfo & info)
export_local_font(info, font, fontname, "");
}
} // namespace pdf2htmlEX
void HTMLRenderer::export_remote_font(const FontInfo & info, const string & suffix, GfxFont * font)
{
string mime_type, format;
if(suffix == ".ttf")
{
format = "truetype";
mime_type = "application/x-font-ttf";
}
else if(suffix == ".otf")
{
format = "opentype";
mime_type = "application/x-font-otf";
}
else if(suffix == ".woff")
{
format = "woff";
mime_type = "application/font-woff";
}
else if(suffix == ".eot")
{
format = "embedded-opentype";
mime_type = "application/vnd.ms-fontobject";
}
else if(suffix == ".svg")
{
format = "svg";
mime_type = "image/svg+xml";
}
else
{
cerr << "Warning: unknown font suffix: " << suffix << endl;
}
f_css.fs << "@font-face{"
<< "font-family:f" << info.id << ";"
<< "src:url(";
{
auto fn = str_fmt("f%llx%s", info.id, suffix.c_str());
if(param->single_html)
{
auto path = param->tmp_dir + "/" + (char*)fn;
ifstream fin(path, ifstream::binary);
if(!fin)
throw "Cannot locate font file: " + path;
f_css.fs << "'data:font/" + mime_type + ";base64," << base64stream(fin) << "'";
}
else
{
f_css.fs << (char*)fn;
}
}
f_css.fs << ")"
<< "format(\"" << format << "\");"
<< "}" // end of @font-face
<< ".f" << info.id << "{"
<< "font-family:f" << info.id << ";"
<< "line-height:" << round(info.ascent - info.descent) << ";"
<< "font-style:normal;"
<< "font-weight:normal;"
<< "visibility:visible;"
<< "}" // end of .f
<< endl;
}
static string general_font_family(GfxFont * font)
{
if(font->isFixedWidth())
return "monospace";
else if (font->isSerif())
return "serif";
else
return "sans-serif";
}
// TODO: this function is called when some font is unable to process, may use the name there as a hint
void HTMLRenderer::export_remote_default_font(long long fn_id)
{
f_css.fs << ".f" << fn_id << "{font-family:sans-serif;visibility:hidden;}" << endl;
}
void HTMLRenderer::export_local_font(const FontInfo & info, GfxFont * font, const string & original_font_name, const string & cssfont)
{
f_css.fs << ".f" << info.id << "{";
f_css.fs << "font-family:" << ((cssfont == "") ? (original_font_name + "," + general_font_family(font)) : cssfont) << ";";
string fn = original_font_name;
for(auto iter = fn.begin(); iter != fn.end(); ++iter)
*iter = tolower(*iter);
if(font->isBold() || (fn.find("bold") != string::npos))
f_css.fs << "font-weight:bold;";
else
f_css.fs << "font-weight:normal;";
if(fn.find("oblique") != string::npos)
f_css.fs << "font-style:oblique;";
else if(font->isItalic() || (fn.find("italic") != string::npos))
f_css.fs << "font-style:italic;";
else
f_css.fs << "font-style:normal;";
f_css.fs << "line-height:" << round(info.ascent - info.descent) << ";";
f_css.fs << "visibility:visible;";
f_css.fs << "}" << endl;
}
} //namespace pdf2hmlEX