mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-09 18:31:04 +00:00
143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file src/Font.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Lars Gullik Bjønnes
|
|
* \author Jean-Marc Lasgouttes
|
|
* \author Angus Leeming
|
|
* \author Dekel Tsur
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef FONT_H
|
|
#define FONT_H
|
|
|
|
#include "FontInfo.h"
|
|
|
|
#include "support/strfwd.h"
|
|
|
|
|
|
namespace lyx {
|
|
|
|
class BufferParams;
|
|
class Language;
|
|
class LaTeXFeatures;
|
|
class OutputParams;
|
|
class otexstream;
|
|
|
|
///
|
|
class Font {
|
|
|
|
public:
|
|
///
|
|
explicit Font(FontInfo = sane_font, Language const * l = 0);
|
|
|
|
///
|
|
FontInfo & fontInfo() { return bits_; }
|
|
///
|
|
FontInfo const & fontInfo() const { return bits_; }
|
|
///
|
|
Language const * language() const { return lang_; }
|
|
///
|
|
bool isRightToLeft() const;
|
|
///
|
|
bool isVisibleRightToLeft() const;
|
|
///
|
|
void setLanguage(Language const * l);
|
|
|
|
/// Returns size of font in LaTeX text notation
|
|
std::string const latexSize() const;
|
|
|
|
/** Updates font settings according to request.
|
|
If an attribute is IGNORE, the attribute is left as it is.
|
|
When toggleall = true, all properties that matches the font in use
|
|
will have the effect that the properties is reset to the
|
|
default. If we have a text that is TYPEWRITER_FAMILY, and is
|
|
update()'ed with TYPEWRITER_FAMILY, the operation will be as if
|
|
a INHERIT_FAMILY was asked for. This is necessary for the
|
|
toggle-user-defined-style button on the toolbar.
|
|
*/
|
|
void update(Font const & newfont,
|
|
Language const * default_lang,
|
|
bool toggleall = false);
|
|
|
|
/// Writes the changes from this font to orgfont in .lyx format in file
|
|
void lyxWriteChanges(Font const & orgfont, std::ostream &) const;
|
|
|
|
/** Writes the head of the LaTeX needed to change to this font.
|
|
Writes to string, the head of the LaTeX needed to change
|
|
to this font. Returns number of chars written. Base is the
|
|
font state active now.
|
|
*/
|
|
int latexWriteStartChanges(odocstream &, BufferParams const & bparams,
|
|
OutputParams const & runparams,
|
|
Font const & base,
|
|
Font const & prev) const;
|
|
|
|
/** Writes the tail of the LaTeX needed to change to this font.
|
|
Returns number of chars written. Base is the font state we want
|
|
to achieve.
|
|
*/
|
|
int latexWriteEndChanges(otexstream &, BufferParams const & bparams,
|
|
OutputParams const & runparams,
|
|
Font const & base,
|
|
Font const & next,
|
|
bool & needPar,
|
|
bool const & closeLanguage = true) const;
|
|
|
|
|
|
/// Build GUI description of font state
|
|
docstring const stateText(BufferParams * params) const;
|
|
|
|
///
|
|
void validate(LaTeXFeatures & features) const;
|
|
|
|
///
|
|
friend
|
|
bool operator==(Font const & font1, Font const & font2);
|
|
///
|
|
friend
|
|
std::ostream & operator<<(std::ostream & os, Font const & font);
|
|
|
|
/// Set \param data using \param font and \param toggle.
|
|
std::string toString(bool toggle) const;
|
|
|
|
/// Set \param font and \param toggle using \param data. Return success.
|
|
bool fromString(std::string const & data, bool & toggle);
|
|
|
|
private:
|
|
///
|
|
FontInfo bits_;
|
|
///
|
|
Language const * lang_;
|
|
/// Did latexWriteStartChanges open an encoding environment?
|
|
mutable bool open_encoding_;
|
|
};
|
|
|
|
|
|
///
|
|
inline
|
|
bool operator==(Font const & font1, Font const & font2)
|
|
{
|
|
return font1.bits_ == font2.bits_ && font1.lang_ == font2.lang_;
|
|
}
|
|
|
|
///
|
|
inline
|
|
bool operator!=(Font const & font1, Font const & font2)
|
|
{
|
|
return !(font1 == font2);
|
|
}
|
|
|
|
/** Returns the current freefont, encoded as a std::string to be passed to the
|
|
* frontends. Implemented in Text3.cpp.
|
|
*/
|
|
std::string const freefont2string();
|
|
|
|
} // namespace lyx
|
|
|
|
#endif
|