1 // -*- C++ -*- 2 /** 3 * \file MathSupport.h 4 * This file is part of LyX, the document processor. 5 * Licence details can be found in the file COPYING. 6 * 7 * \author Alejandro Aguilar Sierra 8 * \author André Pönitz 9 * 10 * Full author contact details are available in file CREDITS. 11 */ 12 13 #ifndef MATH_SUPPORT_H 14 #define MATH_SUPPORT_H 15 16 #include "MathParser_flags.h" 17 #include "support/strfwd.h" 18 19 namespace lyx { 20 21 class MetricsBase; 22 class MetricsInfo; 23 class PainterInfo; 24 class FontInfo; 25 class Dimension; 26 class MathData; 27 class MathAtom; 28 class InsetMath; 29 class latexkeys; 30 class LaTeXFeatures; 31 32 33 int mathed_font_em(FontInfo const &); 34 35 int mathed_font_x_height(FontInfo const & font); 36 37 int mathed_mu(FontInfo const & font, double mu); 38 39 int mathed_thinmuskip(FontInfo const & font); 40 41 int mathed_medmuskip(FontInfo const & font); 42 43 int mathed_thickmuskip(FontInfo const & font); 44 45 int mathed_char_width(FontInfo const &, char_type c); 46 47 int mathed_char_kerning(FontInfo const &, char_type c); 48 49 void mathed_draw_deco(PainterInfo & pi, int x, int y, int w, int h, 50 docstring const & name); 51 52 void mathed_string_dim(FontInfo const & font, 53 docstring const & s, 54 Dimension & dim); 55 56 int mathed_string_width(FontInfo const &, docstring const & s); 57 58 void mathedSymbolDim(MetricsBase & mb, Dimension & dim, latexkeys const * sym); 59 60 void mathedSymbolDraw(PainterInfo & pi, int x, int y, latexkeys const * sym); 61 62 void metricsStrRedBlack(MetricsInfo & mi, Dimension & dim, docstring const & s); 63 64 void drawStrRed(PainterInfo & pi, int x, int y, docstring const & s); 65 void drawStrBlack(PainterInfo & pi, int x, int y, docstring const & s); 66 67 void math_font_max_dim(FontInfo const &, int & asc, int & desc); 68 69 void augmentFont(FontInfo & f, std::string const & cmd); 70 71 bool isFontName(std::string const & name); 72 73 bool isMathFont(std::string const & name); 74 75 bool isTextFont(std::string const & name); 76 77 bool isAlphaSymbol(MathAtom const & at); 78 79 // converts single cell to string 80 docstring asString(MathData const & ar); 81 // converts single inset to string 82 docstring asString(InsetMath const &); 83 docstring asString(MathAtom const &); 84 // converts string to single cell 85 void asArray(docstring const &, MathData &, Parse::flags f = Parse::NORMAL); 86 87 // simulate axis height (font dimension sigma 22) 88 int axis_height(MetricsBase & mb); 89 90 void validate_math_word(LaTeXFeatures & features, docstring const & word); 91 92 } // namespace lyx 93 94 #endif 95