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https://git.lyx.org/repos/lyx.git
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96e0bafddd
Updated InsetGraphics to use the changed the GraphicsCache, and fixed a lurking bug in LyXImage. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1606 a592a061-630c-0410-9148-cb99ea01b6c8
126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2000 the LyX Team.
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*
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* ====================================================== */
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#ifndef INSET_GRAPHICS_H
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#define INSET_GRAPHICS_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "insets/lyxinset.h"
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#include "insets/insetgraphicsParams.h"
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#include "graphics/GraphicsCacheItem.h"
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#include <boost/smart_ptr.hpp>
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#include "LaTeXFeatures.h"
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// We need a signal here to hide an active dialog when we are deleted.
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#include "sigc++/signal_system.h"
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#ifdef SIGC_CXX_NAMESPACES
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using SigC::Signal0;
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using SigC::slot;
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using SigC::Object;
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#endif
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class Dialogs;
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class LyXImage;
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///
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#ifdef SIGC_CXX_NAMESPACES
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class InsetGraphics : public Inset, public SigC::Object
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#else
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class InsetGraphics : public Inset, public Object
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#endif
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{
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public:
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///
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InsetGraphics();
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///
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~InsetGraphics();
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///
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int ascent(BufferView *, LyXFont const &) const;
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///
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int descent(BufferView *, LyXFont const &) const;
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///
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int width(BufferView *, LyXFont const &) const;
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///
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bool display() const { return true; }
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///
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void draw(BufferView *, LyXFont const &, int, float &, bool) const;
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///
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void Edit(BufferView *, int, int, unsigned int);
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///
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EDITABLE Editable() const;
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///
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void Write(Buffer const *, std::ostream &) const;
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///
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void Read(Buffer const *, LyXLex & lex);
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/** returns the number of rows (\n's) of generated tex code.
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#fragile == true# means, that the inset should take care about
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fragile commands by adding a #\protect# before.
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*/
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int Latex(Buffer const *, std::ostream &,
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bool fragile, bool free_spc) const;
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///
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int Ascii(Buffer const *, std::ostream &, int linelen) const;
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///
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int Linuxdoc(Buffer const *, std::ostream &) const;
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///
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int DocBook(Buffer const *, std::ostream &) const;
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/** Tell LyX what the latex features you need i.e. what latex packages
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you need to be included.
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*/
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void Validate(LaTeXFeatures & features) const;
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/// returns LyX code associated with the inset. Used for TOC, ...)
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Inset::Code LyxCode() const { return Inset::GRAPHICS_CODE; }
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///
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Inset * Clone(Buffer const &) const;
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/** Set the inset parameters, used by the GUIndependent dialog.
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Return true of new params are different from what was so far.
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*/
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bool setParams(InsetGraphicsParams const & params);
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/// Get the inset parameters, used by the GUIndependent dialog.
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InsetGraphicsParams getParams() const;
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/** This signal is connected by our dialog and called when the inset
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is deleted.
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*/
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Signal0 <void> hideDialog;
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private:
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/// Update the inset after parameter change.
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void updateInset() const;
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/// Get the status message, depends on the image loading status.
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char const * statusMessage() const;
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/// Create the options for the latex command.
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string const createLatexOptions() const;
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/// Convert the file if needed, and return the location of the file.
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string const prepareFile(Buffer const * buf) const;
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/// The graphics cache handle.
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mutable boost::shared_ptr<GraphicsCacheItem> cacheHandle;
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/// is the pixmap initialized?
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mutable bool imageLoaded;
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InsetGraphicsParams params;
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};
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#endif
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