void add(string const & latex_snippet);
///
void remove(string const & latex_snippet);
- ///
- void startLoading();
+ /// \p wait whether to wait for the process to complete or, instead,
+ /// to do it in the background.
+ void startLoading(bool wait = false);
/// Emit this signal when an image is ready for display.
boost::signal<void(PreviewImage const &)> imageReady;
/// Called by the ForkedCall process that generated the bitmap files.
void finishedGenerating(pid_t, int);
///
- void dumpPreamble(odocstream &) const;
+ void dumpPreamble(otexstream &) const;
///
void dumpData(odocstream &, BitmapFile const &) const;
}
-void PreviewLoader::startLoading() const
+void PreviewLoader::startLoading(bool wait) const
{
- pimpl_->startLoading();
+ pimpl_->startLoading(wait);
}
PreviewLoader::Impl::Impl(PreviewLoader & p, Buffer const & b)
: parent_(p), buffer_(b)
{
- if (!pconverter_){
- if (b.params().encoding().package() == Encoding::japanese)
- pconverter_ = setConverter("lyxpreview-platex");
- else
- pconverter_ = setConverter("lyxpreview");
- }
+ if (!pconverter_)
+ pconverter_ = setConverter("lyxpreview");
}
}
-void PreviewLoader::Impl::startLoading()
+void PreviewLoader::Impl::startLoading(bool wait)
{
if (pending_.empty() || !pconverter_)
return;
Encoding const & enc = buffer_.params().encoding();
ofdocstream of;
try { of.reset(enc.iconvName()); }
- catch (iconv_codecvt_facet_exception & e) {
+ catch (iconv_codecvt_facet_exception const & e) {
LYXERR0("Caught iconv exception: " << e.what()
<< "\nUnable to create LaTeX file: " << latexfile);
return;
}
TexRow texrow;
+ otexstream os(of, texrow);
OutputParams runparams(&enc);
LaTeXFeatures features(buffer_, buffer_.params(), runparams);
return;
}
of << "\\batchmode\n";
- dumpPreamble(of);
+ dumpPreamble(os);
// handle inputenc etc.
- buffer_.params().writeEncodingPreamble(of, features, texrow);
+ buffer_.params().writeEncodingPreamble(os, features);
of << "\n\\begin{document}\n";
dumpData(of, inprogress.snippets);
of << "\n\\end{document}\n";
return;
}
- double font_scaling_factor = 0.01 * lyxrc.dpi * lyxrc.zoom
- * lyxrc.preview_scale_factor;
-
+ double const font_scaling_factor =
+ buffer_.isExporting() ? 75.0 * buffer_.params().html_math_img_scale
+ : 0.01 * lyxrc.dpi * lyxrc.zoom * lyxrc.preview_scale_factor;
+
// The conversion command.
ostringstream cs;
- cs << pconverter_->command << ' ' << pconverter_->to << ' '
- << quoteName(latexfile.toFilesystemEncoding()) << ' '
- << int(font_scaling_factor) << ' '
- << theApp()->hexName(PreviewLoader::foregroundColor()) << ' '
- << theApp()->hexName(PreviewLoader::backgroundColor());
- if (buffer_.params().useXetex)
- cs << " xelatex";
+ cs << pconverter_->command
+ << " " << quoteName(latexfile.toFilesystemEncoding())
+ << " --dpi " << int(font_scaling_factor);
+
+ // FIXME XHTML
+ // The colors should be customizable.
+ if (!buffer_.isExporting()) {
+ ColorCode const fg = PreviewLoader::foregroundColor();
+ ColorCode const bg = PreviewLoader::backgroundColor();
+ cs << " --fg " << theApp()->hexName(fg)
+ << " --bg " << theApp()->hexName(bg);
+ }
+
+ // FIXME what about LuaTeX?
+ if (buffer_.params().useNonTeXFonts)
+ cs << " --latex=xelatex";
+ if (buffer_.params().encoding().package() == Encoding::japanese)
+ cs << " --latex=platex";
+ if (buffer_.params().bibtex_command != "default")
+ cs << " --bibtex=" << quoteName(buffer_.params().bibtex_command);
+ else if (buffer_.params().encoding().package() == Encoding::japanese)
+ cs << " --bibtex=" << quoteName(lyxrc.jbibtex_command);
+ else
+ cs << " --bibtex=" << quoteName(lyxrc.bibtex_command);
+ if (buffer_.params().bufferFormat() == "lilypond-book")
+ cs << " --lilypond";
string const command = libScriptSearch(cs.str());
+ if (wait) {
+ ForkedCall call(buffer_.filePath());
+ int ret = call.startScript(ForkedProcess::Wait, command);
+ static int fake = (2^20) + 1;
+ int pid = fake++;
+ inprogress.pid = pid;
+ inprogress.command = command;
+ in_progress_[pid] = inprogress;
+ finishedGenerating(pid, ret);
+ return;
+ }
+
// Initiate the conversion from LaTeX to bitmap images files.
ForkedCall::SignalTypePtr
convert_ptr(new ForkedCall::SignalType);
convert_ptr->connect(bind(&Impl::finishedGenerating, this, _1, _2));
- ForkedCall call;
+ ForkedCall call(buffer_.filePath());
int ret = call.startScript(command, convert_ptr);
if (ret != 0) {
FileName const & file = it->second;
double af = ascent_fractions[metrics_counter];
- PreviewImagePtr ptr(new PreviewImage(parent_, snip, file, af));
- cache_[snip] = ptr;
+ // Add the image to the cache only if it's actually present
+ if (file.isReadableFile()) {
+ PreviewImagePtr ptr(new PreviewImage(parent_, snip, file, af));
+ cache_[snip] = ptr;
+
+ newimages.push_back(ptr);
+ }
- newimages.push_back(ptr);
}
// Remove the item from the list of still-executing processes.
}
-void PreviewLoader::Impl::dumpPreamble(odocstream & os) const
+void PreviewLoader::Impl::dumpPreamble(otexstream & os) const
{
// Dump the preamble only.
- // We don't need an encoding for runparams since it is not used by
- // the preamble.
- OutputParams runparams(0);
- runparams.flavor = OutputParams::LATEX;
+ OutputParams runparams(&buffer_.params().encoding());
+ if (buffer_.params().useNonTeXFonts)
+ runparams.flavor = OutputParams::XETEX;
+ else
+ runparams.flavor = OutputParams::LATEX;
runparams.nice = true;
runparams.moving_arg = true;
runparams.free_spacing = true;
- buffer_.writeLaTeXSource(os, buffer_.filePath(), runparams, true, false);
+ runparams.is_child = buffer_.parent();
+ buffer_.writeLaTeXSource(os, buffer_.filePath(), runparams, Buffer::OnlyPreamble);
// FIXME! This is a HACK! The proper fix is to control the 'true'
// passed to WriteStream below:
// Also support PDF output (automatically generated e.g. when
// \usepackage[pdftex]{hyperref} is used and XeTeX.
os << "\n"
- << "\\newif\\ifxetex\n"
- << "\\expandafter\\ifx\\csname XeTeXrevision\\endcsname\\relax\n"
- << " \\xetexfalse\n"
- << "\\else\n"
- << " \\xetextrue\n"
- << "\\fi\n"
- << "\\newif\\ifpdf\n"
- << "\\ifx\\pdfoutput\\undefined\n"
- << "\\else\\ifx\\pdfoutput\\relax\n"
- << "\\else\\ifnum0=\\pdfoutput\n"
- << "\\else\\pdftrue\\fi\\fi\\fi\n"
- << "\\ifxetex\n"
- << " \\usepackage[active,delayed,tightpage,showlabels,lyx,xetex]{preview}\n"
- << "\\else\n"
- << "\\ifpdf\n"
- << " \\usepackage[active,delayed,tightpage,showlabels,lyx,pdftex]{preview}\n"
- << "\\else\n"
- << " \\usepackage[active,delayed,showlabels,lyx,dvips]{preview}\n"
- << "\\fi\n"
- << "\\fi\n"
+ << "\\usepackage[active,delayed,showlabels,lyx]{preview}\n"
<< "\n";
}
projects / lyx.git / blobdiff