3 * \file insetgraphics.h
4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
10 * Full author contact details are available in file CREDITS
13 #ifndef INSET_GRAPHICS_H
14 #define INSET_GRAPHICS_H
16 #include "insets/inset.h"
17 #include "insets/insetgraphicsParams.h"
19 #include <boost/signals/trackable.hpp>
20 #include <boost/scoped_ptr.hpp>
26 class InsetGraphics : public Inset, public boost::signals::trackable {
31 InsetGraphics(InsetGraphics const &, string const & filepath,
32 bool same_id = false);
36 virtual dispatch_result localDispatch(FuncRequest const & cmd);
38 int ascent(BufferView *, LyXFont const &) const;
40 int descent(BufferView *, LyXFont const &) const;
42 int width(BufferView *, LyXFont const &) const;
44 void draw(BufferView *, LyXFont const &, int, float &) const;
46 EDITABLE editable() const;
48 void write(Buffer const *, std::ostream &) const;
50 void read(Buffer const *, LyXLex & lex);
52 /** returns the number of rows (\n's) of generated tex code.
53 #fragile == true# means, that the inset should take care about
54 fragile commands by adding a #\protect# before.
56 int latex(Buffer const *, std::ostream &,
57 bool fragile, bool free_spc) const;
59 int ascii(Buffer const *, std::ostream &, int linelen) const;
61 int linuxdoc(Buffer const *, std::ostream &) const;
63 int docbook(Buffer const *, std::ostream &, bool mixcont) const;
65 /** Tell LyX what the latex features you need i.e. what latex packages
66 you need to be included.
68 void validate(LaTeXFeatures & features) const;
70 /// returns LyX code associated with the inset. Used for TOC, ...)
71 Inset::Code lyxCode() const { return Inset::GRAPHICS_CODE; }
74 virtual Inset * clone(Buffer const &, bool same_id = false) const;
76 /** Set the inset parameters, used by the GUIndependent dialog.
77 Return true of new params are different from what was so far.
79 bool setParams(InsetGraphicsParams const & params,
80 string const & filepath);
82 /// Get the inset parameters, used by the GUIndependent dialog.
83 InsetGraphicsParams const & params() const;
86 /// Returns the cached BufferView.
87 BufferView * view() const;
90 friend class InsetGraphicsMailer;
92 /// Is the image ready to draw, or should we display a message instead?
93 bool imageIsDrawable() const;
95 /** This method is connected to cache_->statusChanged, so we are
96 informed when the image has been loaded.
100 /// Read the inset native format
101 void readInsetGraphics(LyXLex & lex);
103 /// Get the status message, depends on the image loading status.
104 string const statusMessage() const;
105 /// Create the options for the latex command.
106 string const createLatexOptions() const;
107 /// Convert the file if needed, and return the location of the file.
108 string const prepareFile(Buffer const * buf) const;
111 InsetGraphicsParams params_;
113 /// holds the entity name that defines the graphics location (SGML).
114 string const graphic_label;
116 /// The cached variables
119 /// The pointer never changes although *cache_'s contents may.
120 boost::scoped_ptr<Cache> const cache_;
124 #include "mailinset.h"
126 class InsetGraphicsMailer : public MailInset {
129 InsetGraphicsMailer(InsetGraphics & inset);
131 virtual InsetBase & inset() const { return inset_; }
133 virtual string const & name() const { return name_; }
135 virtual string const inset2string() const;
137 static void string2params(string const &, InsetGraphicsParams &);
139 static string const params2string(InsetGraphicsParams const &);
142 static string const name_;
144 InsetGraphics & inset_;