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https://git.lyx.org/repos/lyx.git
synced 2024-11-07 02:28:35 +00:00
Use docstring for preview snippet all the way down
No need to convert back and forth
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parent
1fca6842a5
commit
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@ -32,7 +32,7 @@ class PreviewImage::Impl {
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public:
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///
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Impl(PreviewImage & p, PreviewLoader & l,
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string const & s, FileName const & f, double af);
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docstring const & s, FileName const & f, double af);
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///
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~Impl();
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///
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@ -47,14 +47,14 @@ public:
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///
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Loader iloader_;
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///
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string const snippet_;
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docstring const snippet_;
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///
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double const ascent_frac_;
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};
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PreviewImage::PreviewImage(PreviewLoader & l,
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string const & s,
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docstring const & s,
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FileName const & f,
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double af)
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: pimpl_(new Impl(*this, l, s, f, af))
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@ -67,7 +67,7 @@ PreviewImage::~PreviewImage()
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}
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string const & PreviewImage::snippet() const
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docstring const & PreviewImage::snippet() const
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{
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return pimpl_->snippet_;
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}
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@ -105,7 +105,7 @@ PreviewLoader & PreviewImage::previewLoader() const
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}
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PreviewImage::Impl::Impl(PreviewImage & p, PreviewLoader & l, string const & s,
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PreviewImage::Impl::Impl(PreviewImage & p, PreviewLoader & l, docstring const & s,
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FileName const & bf, double af)
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: parent_(p), ploader_(l), iloader_(l.buffer().fileName(), bf),
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snippet_(s), ascent_frac_(af)
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@ -31,14 +31,14 @@ public:
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* descent = height * (1 - ascent_frac)
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*/
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PreviewImage(PreviewLoader & parent,
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std::string const & latex_snippet,
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docstring const & latex_snippet,
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support::FileName const & bitmap_file,
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double ascent_frac);
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///
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~PreviewImage();
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///
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std::string const & snippet() const;
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docstring const & snippet() const;
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///
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Dimension dim() const;
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@ -47,16 +47,17 @@
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#include <QTimer>
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using namespace std;
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using namespace lyx;
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using namespace lyx::support;
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namespace {
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typedef pair<string, FileName> SnippetPair;
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typedef pair<docstring, FileName> SnippetPair;
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// A list of all snippets to be converted to previews
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typedef list<string> PendingSnippets;
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typedef list<docstring> PendingSnippets;
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// Each item in the vector is a pair<snippet, image file name>.
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typedef vector<SnippetPair> BitmapFile;
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@ -121,7 +122,7 @@ void setAscentFractions(vector<double> & ascent_fractions,
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}
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std::function <bool (SnippetPair const &)> FindFirst(string const & comp)
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std::function <bool (SnippetPair const &)> FindFirst(docstring const & comp)
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{
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return [&comp](SnippetPair const & sp) { return sp.first == comp; };
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}
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@ -166,13 +167,13 @@ public:
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/// Stop any InProgress items still executing.
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~Impl();
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///
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PreviewImage const * preview(string const & latex_snippet) const;
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PreviewImage const * preview(docstring const & latex_snippet) const;
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///
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PreviewLoader::Status status(string const & latex_snippet) const;
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PreviewLoader::Status status(docstring const & latex_snippet) const;
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///
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void add(string const & latex_snippet);
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void add(docstring const & latex_snippet);
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///
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void remove(string const & latex_snippet);
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void remove(docstring const & latex_snippet);
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/// \p wait whether to wait for the process to complete or, instead,
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/// to do it in the background.
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void startLoading(bool wait = false);
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@ -199,7 +200,7 @@ private:
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*/
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typedef std::shared_ptr<PreviewImage> PreviewImagePtr;
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///
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typedef map<string, PreviewImagePtr> Cache;
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typedef map<docstring, PreviewImagePtr> Cache;
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///
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Cache cache_;
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@ -246,25 +247,25 @@ PreviewLoader::PreviewLoader(Buffer const & b)
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{}
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PreviewImage const * PreviewLoader::preview(string const & latex_snippet) const
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PreviewImage const * PreviewLoader::preview(docstring const & latex_snippet) const
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{
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return pimpl_->preview(latex_snippet);
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}
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PreviewLoader::Status PreviewLoader::status(string const & latex_snippet) const
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PreviewLoader::Status PreviewLoader::status(docstring const & latex_snippet) const
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{
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return pimpl_->status(latex_snippet);
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}
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void PreviewLoader::add(string const & latex_snippet) const
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void PreviewLoader::add(docstring const & latex_snippet) const
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{
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pimpl_->add(latex_snippet);
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}
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void PreviewLoader::remove(string const & latex_snippet) const
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void PreviewLoader::remove(docstring const & latex_snippet) const
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{
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pimpl_->remove(latex_snippet);
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}
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@ -315,7 +316,7 @@ public:
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: to_format_(to_format), base_(filename_base), counter_(1)
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{}
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SnippetPair const operator()(string const & snippet)
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SnippetPair const operator()(docstring const & snippet)
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{
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ostringstream os;
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os << base_ << counter_++ << '.' << to_format_;
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@ -430,7 +431,7 @@ PreviewLoader::Impl::~Impl()
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PreviewImage const *
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PreviewLoader::Impl::preview(string const & latex_snippet) const
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PreviewLoader::Impl::preview(docstring const & latex_snippet) const
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{
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int fs = int(buffer_.fontScalingFactor());
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int fg = 0x0;
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@ -475,7 +476,7 @@ void PreviewLoader::Impl::refreshPreviews()
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namespace {
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std::function<bool (InProgressProcess const &)> FindSnippet(string const & s)
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std::function<bool (InProgressProcess const &)> FindSnippet(docstring const & s)
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{
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return [&s](InProgressProcess const & process) {
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BitmapFile const & snippets = process.second.snippets;
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@ -488,7 +489,7 @@ std::function<bool (InProgressProcess const &)> FindSnippet(string const & s)
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} // namespace
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PreviewLoader::Status
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PreviewLoader::Impl::status(string const & latex_snippet) const
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PreviewLoader::Impl::status(docstring const & latex_snippet) const
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{
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Cache::const_iterator cit = cache_.find(latex_snippet);
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if (cit != cache_.end())
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@ -512,12 +513,12 @@ PreviewLoader::Impl::status(string const & latex_snippet) const
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}
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void PreviewLoader::Impl::add(string const & latex_snippet)
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void PreviewLoader::Impl::add(docstring const & latex_snippet)
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{
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if (!pconverter_ || status(latex_snippet) != NotFound)
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return;
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string const snippet = trim(latex_snippet);
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docstring const snippet = trim(latex_snippet);
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if (snippet.empty())
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return;
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@ -529,7 +530,7 @@ void PreviewLoader::Impl::add(string const & latex_snippet)
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namespace {
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std::function<void (InProgressProcess &)> EraseSnippet(string const & s)
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std::function<void (InProgressProcess &)> EraseSnippet(docstring const & s)
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{
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return [&s](InProgressProcess & process) {
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BitmapFile & snippets = process.second.snippets;
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@ -545,7 +546,7 @@ std::function<void (InProgressProcess &)> EraseSnippet(string const & s)
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} // namespace
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void PreviewLoader::Impl::remove(string const & latex_snippet)
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void PreviewLoader::Impl::remove(docstring const & latex_snippet)
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{
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Cache::iterator cit = cache_.find(latex_snippet);
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if (cit != cache_.end())
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@ -768,7 +769,7 @@ void PreviewLoader::Impl::finishedGenerating(pid_t pid, int retval)
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size_t metrics_counter = 0;
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for (; it != end; ++it, ++metrics_counter) {
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string const & snip = it->first;
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docstring const & snip = it->first;
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FileName const & file = it->second;
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double af = ascent_fractions[metrics_counter];
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@ -857,19 +858,19 @@ void PreviewLoader::Impl::dumpData(odocstream & os,
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// FIXME: the preview loader should be able
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// to handle multiple encodings
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// or we should generally use utf8
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for (char_type n : from_utf8(it->first)) {
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for (char_type n : it->first) {
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if (!enc.encodable(n)) {
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LYXERR0("Uncodable character '"
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<< docstring(1, n)
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<< "' in preview snippet!");
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uncodable_content = true;
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break;
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}
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}
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// FIXME UNICODE
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os << "\\begin{preview}\n";
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// do not show incomplete preview
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if (!uncodable_content)
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os << from_utf8(it->first);
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os << it->first;
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os << "\n\\end{preview}\n\n";
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}
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}
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@ -19,6 +19,7 @@
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#define PREVIEWLOADER_H
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#include "ColorCode.h"
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#include "support/docstring.h"
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#include "support/signals.h"
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#include <QObject>
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@ -44,7 +45,7 @@ public:
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/** Is there an image already associated with this snippet of LaTeX?
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* If so, returns a pointer to it, else returns 0.
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*/
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PreviewImage const * preview(std::string const & latex_snippet) const;
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PreviewImage const * preview(docstring const & latex_snippet) const;
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///
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enum Status {
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@ -59,13 +60,13 @@ public:
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};
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/// How far have we got in loading the image?
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Status status(std::string const & latex_snippet) const;
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Status status(docstring const & latex_snippet) const;
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/// Add a snippet of LaTeX to the queue for processing.
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void add(std::string const & latex_snippet) const;
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void add(docstring const & latex_snippet) const;
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/// Remove this snippet of LaTeX from the PreviewLoader.
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void remove(std::string const & latex_snippet) const;
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void remove(docstring const & latex_snippet) const;
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/** We have accumulated several latex snippets with status "InQueue".
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* Initiate their transformation into bitmap images.
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@ -661,7 +661,7 @@ void InsetText::docbookRenderAsImage(XMLStream & xs, OutputParams const & rp, XH
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// Also, the image must be generated before the DocBook output is finished,
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// unlike a preview that is not immediately required for display.
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docstring const latex_snippet = insetToLaTeXSnippet(&buffer(), this);
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std::string const snippet = support::trim(to_utf8(latex_snippet));
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docstring const snippet = support::trim(latex_snippet);
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// TODO: no real support for Unicode. This code is very similar to RenderPreview::addPreview, the same gotcha applies.
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graphics::PreviewLoader* loader = buffer().loader();
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@ -681,7 +681,7 @@ void InsetText::docbookRenderAsImage(XMLStream & xs, OutputParams const & rp, XH
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// same hash (by design of cryptographic hash functions). Computing a hash
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// is typically slow, but extremely fast compared to compilation of the
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// preview and image rendering.
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std::string newFileName = "lyx_" + sanitizeFileName(toHexHash(snippet)) + "." + filename.extension();
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std::string newFileName = "lyx_" + sanitizeFileName(toHexHash(to_utf8(snippet))) + "." + filename.extension();
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// Copy the image into the right folder.
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rp.exportdata->addExternalFile("docbook5", filename, newFileName);
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@ -88,7 +88,7 @@ RenderBase * RenderPreview::clone(Inset const * inset) const
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namespace {
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docstring const statusMessage(BufferView const * bv, string const & snippet)
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docstring const statusMessage(BufferView const * bv, docstring const & snippet)
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{
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LASSERT(bv, return docstring());
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@ -221,7 +221,7 @@ void RenderPreview::addPreview(docstring const & latex_snippet,
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// FIXME UNICODE
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// We have to make sure that we call latex with the right encoding
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snippet_ = support::trim(to_utf8(latex_snippet));
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snippet_ = support::trim(latex_snippet);
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if (snippet_.empty())
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return;
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@ -96,7 +96,7 @@ private:
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void imageReady(graphics::PreviewImage const &);
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/// The thing that we're trying to generate a preview of.
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std::string snippet_;
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docstring snippet_;
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/** Store the connection to the preview loader so that we connect
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* only once.
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