DenysMedvid/pdf2htmlEX
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working on external font hint tool

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This commit is contained in:
Lu Wang 2012-09-23 20:25:22 +08:00
parent 201fecb18e
commit 9e7f34bd5a
4 changed files with 37 additions and 14 deletions
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5
pdf2htmlEX.1.in
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@ -121,6 +121,11 @@ If it's empty, the file name will be determined automatically.
.B --font-suffix <suffix> (Default: ".ttf"), --font-format <format> (Default: "truetype") .B --font-suffix <suffix> (Default: ".ttf"), --font-format <format> (Default: "truetype")
Specify the suffix and format of fonts extracted from the PDF file. They should be consistent. Specify the suffix and format of fonts extracted from the PDF file. They should be consistent.
.TP .TP
.B --external-hint-tool <tool> (Default: "")
If specified, the tool will be called in order to enhanced hinting for fonts.
The tool will be called as '<tool> <in.suffix> <out.suffix>', where suffix will be the same as specified for --font-suffix.
.TP
.B --debug <0|1> (Default: 0) .B --debug <0|1> (Default: 0)
Show debug information. Show debug information.
.TP .TP

29
src/HTMLRenderer/text.cc
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@ -393,23 +393,38 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
* *
* Generate the font as desired * Generate the font as desired
* *
* Reload to retrieve accurate ascent/descent <-- TODO: remove this
*/ */
{ string tmp_fn = (char*)str_fmt("%s/__font%s", param->tmp_dir.c_str(), param->font_suffix.c_str());
auto fn = str_fmt("%s/f%llx%s", add_tmp_file(tmp_fn);
string fn = (char*)str_fmt("%s/f%llx%s",
(param->single_html ? param->tmp_dir : param->dest_dir).c_str(), (param->single_html ? param->tmp_dir : param->dest_dir).c_str(),
info.id, param->font_suffix.c_str()); info.id, param->font_suffix.c_str());
if(param->single_html) if(param->single_html)
add_tmp_file((char*)fn); add_tmp_file(fn);
ffw_save((char*)fn); ffw_save(fn.c_str());
ffw_close(); ffw_close();
ffw_load_font((char*)fn); /*
* Step 4
* Reload to retrieve accurate ascent/descent <-- TODO: remove this
*/
rename(fn.c_str(), tmp_fn.c_str());
ffw_load_font(tmp_fn.c_str());
ffw_metric(&info.ascent, &info.descent, &info.em_size); ffw_metric(&info.ascent, &info.descent, &info.em_size);
ffw_save((char*)fn); ffw_save(fn.c_str());
ffw_close(); ffw_close();
/*
* Step 5 (keeping the scope)
* Call external hinting program
*/
if(param->external_hint_tool != "")
{
rename(fn.c_str(), tmp_fn.c_str());
system((char*)str_fmt("%s %s %s", param->external_hint_tool.c_str(), tmp_fn.c_str(), fn.c_str()));
} }
} }

2
src/include/Param.h
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@ -46,6 +46,8 @@ struct Param
std::string css_filename; std::string css_filename;
std::string font_suffix, font_format; std::string font_suffix, font_format;
std::string external_hint_tool;
int debug; int debug;
int clean_tmp; int clean_tmp;
}; };

1
src/pdf2htmlEX.cc
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@ -81,6 +81,7 @@ void parse_options (int argc, char **argv)
.add("css-filename", &param.css_filename, "", "Specify the file name of the generated css file") .add("css-filename", &param.css_filename, "", "Specify the file name of the generated css file")
.add("font-suffix", &param.font_suffix, ".ttf", "suffix for extracted font files") .add("font-suffix", &param.font_suffix, ".ttf", "suffix for extracted font files")
.add("font-format", &param.font_format, "opentype", "format for extracted font files") .add("font-format", &param.font_format, "opentype", "format for extracted font files")
.add("external-hint-tool", &param.external_hint_tool, "", "external tool for hintting fonts")
.add("debug", &param.debug, 0, "output debug information") .add("debug", &param.debug, 0, "output debug information")
.add("clean-tmp", &param.clean_tmp, 1, "clean temporary files after processing") .add("clean-tmp", &param.clean_tmp, 1, "clean temporary files after processing")