DenysMedvid/pdf2htmlEX
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fix font export

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This commit is contained in:
Lu Wang 2012-08-08 16:32:58 +08:00
parent 59be80ff28
commit 912c0f936c
2 changed files with 30 additions and 22 deletions
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51
src/HTMLRenderer.cc
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@ -508,13 +508,40 @@ long long HTMLRenderer::install_color(const GfxRGB * rgb)
return new_color_id;
}
void HTMLRenderer::export_font(long long fn_id, const string & original_font_name, const string & font_family_string, GfxFont * font)
void HTMLRenderer::export_remote_font(long long fn_id, const string & suffix, const string & format, GfxFont * font)
{
allcss_fout << boost::format("@font-face{font-family:f%|1$x|;%2%;}.f%|1$x|{font-family:f%|1$x|;") % fn_id % font_family_string;
allcss_fout << boost::format("@font-face{font-family:f%|1$x|;src:url(f%|1$x|%2%)format(\"%3%\");}.f%|1$x|{font-family:f%|1$x|;") % fn_id % suffix % format;
// TODO: shall we export these information for embedded fonts? or it doesn't matter?
double a = font->getAscent();
double d = font->getDescent();
double r = _is_positive(a-d) ? (a/(a-d)) : 1.0;
for(const std::string & prefix : {"", "-ms-", "-moz-", "-webkit-", "-o-"})
{
allcss_fout << prefix << "transform-origin:0% " << (r*100.0) << "%;";
}
allcss_fout << "line-height:" << (a-d) << ";";
allcss_fout << "}";
if(param->readable) allcss_fout << endl;
}
// TODO: this function is called when some font is unable to process, may use the name there as a hint
void HTMLRenderer::export_remote_default_font(long long fn_id)
{
allcss_fout << boost::format(".f%|1$x|{font-family:sans-serif;color:transparent;visibility:hidden;}")%fn_id;
if(param->readable) allcss_fout << endl;
}
void HTMLRenderer::export_local_font(long long fn_id, GfxFont * font, GfxFontLoc * font_loc, const string & original_font_name, const string & cssfont)
{
allcss_fout << boost::format(".f%|1$x|{") % fn_id;
allcss_fout << "font-family:" << ((cssfont == "") ? (original_font_name+","+general_font_family(font)) : cssfont) << ";";
if(font->isBold())
allcss_fout << "font-weight:bold;";
if(boost::algorithm::ifind_first(original_font_name, "oblique"))
allcss_fout << "font-style:oblique;";
else if(font->isItalic())
@ -536,24 +563,6 @@ void HTMLRenderer::export_font(long long fn_id, const string & original_font_nam
if(param->readable) allcss_fout << endl;
}
void HTMLRenderer::export_remote_font(long long fn_id, const string & suffix, const string & format, GfxFont * font)
{
export_font(fn_id, font->getName()->getCString(), (boost::format("src:url(f%|1$x|%2%)format(\"%3%\")") % fn_id % suffix % format).str(), font);
}
// 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)
{
allcss_fout << boost::format(".f%|1$x|{font-family:sans-serif;color:transparent;visibility:hidden;}")%fn_id;
if(param->readable) allcss_fout << endl;
}
void HTMLRenderer::export_local_font(long long fn_id, GfxFont * font, GfxFontLoc * font_loc, const string & original_font_name, const string & cssfont)
{
export_font(fn_id, original_font_name, string("font-family:") + ((cssfont == "") ? (original_font_name + "," + general_font_family(font)) : cssfont), font);
}
std::string HTMLRenderer::general_font_family(GfxFont * font)
{
if(font -> isFixedWidth())

1
src/HTMLRenderer.h
View File

@ -124,7 +124,6 @@ class HTMLRenderer : public OutputDev
* remote font: to be retrieved from the web server
* local font: to be substituted with a local (client side) font
*/
void export_font(long long fn_id, const string & original_font_name, const string & font_family_string, GfxFont * font);
void export_remote_font(long long fn_id, const string & suffix, const string & format, GfxFont * font);
void export_remote_default_font(long long fn_id);
void export_local_font(long long fn_id, GfxFont * font, GfxFontLoc * font_loc, const string & original_font_name, const string & cssfont);