mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 05:33:33 +00:00
fa494db882
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8325 a592a061-630c-0410-9148-cb99ea01b6c8
729 lines
17 KiB
C
729 lines
17 KiB
C
/**
|
|
* \file math_support.C
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Alejandro Aguilar Sierra
|
|
* \author André Pönitz
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "math_support.h"
|
|
#include "math_data.h"
|
|
#include "math_inset.h"
|
|
#include "math_mathmlstream.h"
|
|
#include "math_parser.h"
|
|
|
|
#include "debug.h"
|
|
#include "LColor.h"
|
|
|
|
#include "frontends/Painter.h"
|
|
#include "frontends/font_metrics.h"
|
|
#include "frontends/lyx_gui.h"
|
|
|
|
#include "support/std_sstream.h"
|
|
|
|
#include <map>
|
|
|
|
|
|
using std::string;
|
|
using std::max;
|
|
using std::endl;
|
|
|
|
|
|
///
|
|
class Matrix {
|
|
public:
|
|
///
|
|
Matrix(int, double, double);
|
|
///
|
|
void transform(double &, double &);
|
|
private:
|
|
///
|
|
double m_[2][2];
|
|
};
|
|
|
|
|
|
Matrix::Matrix(int code, double x, double y)
|
|
{
|
|
double const cs = (code & 1) ? 0 : (1 - code);
|
|
double const sn = (code & 1) ? (2 - code) : 0;
|
|
m_[0][0] = cs * x;
|
|
m_[0][1] = sn * x;
|
|
m_[1][0] = -sn * y;
|
|
m_[1][1] = cs * y;
|
|
}
|
|
|
|
|
|
void Matrix::transform(double & x, double & y)
|
|
{
|
|
double xx = m_[0][0] * x + m_[0][1] * y;
|
|
double yy = m_[1][0] * x + m_[1][1] * y;
|
|
x = xx;
|
|
y = yy;
|
|
}
|
|
|
|
|
|
|
|
namespace {
|
|
|
|
/*
|
|
* Internal struct of a drawing: code n x1 y1 ... xn yn, where code is:
|
|
* 0 = end, 1 = line, 2 = polyline, 3 = square line, 4 = square polyline
|
|
*/
|
|
|
|
|
|
double const parenthHigh[] = {
|
|
2, 13,
|
|
0.9840, 0.0014, 0.7143, 0.0323, 0.4603, 0.0772,
|
|
0.2540, 0.1278, 0.1746, 0.1966, 0.0952, 0.3300,
|
|
0.0950, 0.5000, 0.0952, 0.6700, 0.1746, 0.8034,
|
|
0.2540, 0.8722, 0.4603, 0.9228, 0.7143, 0.9677,
|
|
0.9840, 0.9986,
|
|
0
|
|
};
|
|
|
|
|
|
double const parenth[] = {
|
|
2, 13,
|
|
0.9930, 0.0071, 0.7324, 0.0578, 0.5141, 0.1126,
|
|
0.3380, 0.1714, 0.2183, 0.2333, 0.0634, 0.3621,
|
|
0.0141, 0.5000, 0.0563, 0.6369, 0.2113, 0.7647,
|
|
0.3310, 0.8276, 0.5070, 0.8864, 0.7254, 0.9412,
|
|
0.9930, 0.9919,
|
|
0
|
|
};
|
|
|
|
|
|
double const brace[] = {
|
|
2, 21,
|
|
0.9492, 0.0020, 0.9379, 0.0020, 0.7458, 0.0243,
|
|
0.5819, 0.0527, 0.4859, 0.0892, 0.4463, 0.1278,
|
|
0.4463, 0.3732, 0.4011, 0.4199, 0.2712, 0.4615,
|
|
0.0734, 0.4919, 0.0113, 0.5000, 0.0734, 0.5081,
|
|
0.2712, 0.5385, 0.4011, 0.5801, 0.4463, 0.6268,
|
|
0.4463, 0.8722, 0.4859, 0.9108, 0.5819, 0.9473,
|
|
0.7458, 0.9757, 0.9379, 0.9980, 0.9492, 0.9980,
|
|
0
|
|
};
|
|
|
|
|
|
double const arrow[] = {
|
|
4, 7,
|
|
0.0150, 0.7500, 0.2000, 0.6000, 0.3500, 0.3500,
|
|
0.5000, 0.0500, 0.6500, 0.3500, 0.8000, 0.6000,
|
|
0.9500, 0.7500,
|
|
3, 0.5000, 0.1500, 0.5000, 0.9500,
|
|
0
|
|
};
|
|
|
|
|
|
double const Arrow[] = {
|
|
4, 7,
|
|
0.0150, 0.7500, 0.2000, 0.6000, 0.3500, 0.3500,
|
|
0.5000, 0.0500, 0.6500, 0.3500, 0.8000, 0.6000,
|
|
0.9500, 0.7500,
|
|
3, 0.3500, 0.5000, 0.3500, 0.9500,
|
|
3, 0.6500, 0.5000, 0.6500, 0.9500,
|
|
0
|
|
};
|
|
|
|
|
|
double const udarrow[] = {
|
|
2, 3,
|
|
0.015, 0.25, 0.5, 0.05, 0.95, 0.25,
|
|
2, 3,
|
|
0.015, 0.75, 0.5, 0.95, 0.95, 0.75,
|
|
1, 0.5, 0.2, 0.5, 0.8,
|
|
0
|
|
};
|
|
|
|
|
|
double const Udarrow[] = {
|
|
2, 3,
|
|
0.015, 0.25, 0.5, 0.05, 0.95, 0.25,
|
|
2, 3,
|
|
0.015, 0.75, 0.5, 0.95, 0.95, 0.75,
|
|
1, 0.35, 0.2, 0.35, 0.8,
|
|
1, 0.65, 0.2, 0.65, 0.8,
|
|
0
|
|
};
|
|
|
|
|
|
double const brack[] = {
|
|
2, 4,
|
|
0.95, 0.05, 0.05, 0.05, 0.05, 0.95, 0.95, 0.95,
|
|
0
|
|
};
|
|
|
|
|
|
double const corner[] = {
|
|
2, 3,
|
|
0.95, 0.05, 0.05, 0.05, 0.05, 0.95,
|
|
0
|
|
};
|
|
|
|
|
|
double const angle[] = {
|
|
2, 3,
|
|
1, 0, 0.05, 0.5, 1, 1,
|
|
0
|
|
};
|
|
|
|
|
|
double const slash[] = {
|
|
1, 0.95, 0.05, 0.05, 0.95,
|
|
0
|
|
};
|
|
|
|
|
|
double const hline[] = {
|
|
1, 0.00, 0.5, 1.0, 0.5,
|
|
0
|
|
};
|
|
|
|
|
|
double const ddot[] = {
|
|
1, 0.2, 0.5, 0.3, 0.5,
|
|
1, 0.7, 0.5, 0.8, 0.5,
|
|
0
|
|
};
|
|
|
|
|
|
double const dddot[] = {
|
|
1, 0.1, 0.5, 0.2, 0.5,
|
|
1, 0.45, 0.5, 0.55, 0.5,
|
|
1, 0.8, 0.5, 0.9, 0.5,
|
|
0
|
|
};
|
|
|
|
|
|
double const hline3[] = {
|
|
1, 0.1, 0, 0.15, 0,
|
|
1, 0.475, 0, 0.525, 0,
|
|
1, 0.85, 0, 0.9, 0,
|
|
0
|
|
};
|
|
|
|
|
|
double const dline3[] = {
|
|
1, 0.1, 0.1, 0.15, 0.15,
|
|
1, 0.475, 0.475, 0.525, 0.525,
|
|
1, 0.85, 0.85, 0.9, 0.9,
|
|
0
|
|
};
|
|
|
|
|
|
double const hlinesmall[] = {
|
|
1, 0.4, 0.5, 0.6, 0.5,
|
|
0
|
|
};
|
|
|
|
|
|
double const ring[] = {
|
|
2, 5,
|
|
0.5, 0.8, 0.8, 0.5, 0.5, 0.2, 0.2, 0.5, 0.5, 0.8,
|
|
0
|
|
};
|
|
|
|
|
|
double const vert[] = {
|
|
1, 0.5, 0.05, 0.5, 0.95,
|
|
0
|
|
};
|
|
|
|
|
|
double const Vert[] = {
|
|
1, 0.3, 0.05, 0.3, 0.95,
|
|
1, 0.7, 0.05, 0.7, 0.95,
|
|
0
|
|
};
|
|
|
|
|
|
double const tilde[] = {
|
|
2, 4,
|
|
0.00, 0.8, 0.25, 0.2, 0.75, 0.8, 1.00, 0.2,
|
|
0
|
|
};
|
|
|
|
|
|
struct deco_struct {
|
|
double const * data;
|
|
int angle;
|
|
};
|
|
|
|
struct named_deco_struct {
|
|
char const * name;
|
|
double const * data;
|
|
int angle;
|
|
};
|
|
|
|
named_deco_struct deco_table[] = {
|
|
// Decorations
|
|
{"widehat", angle, 3 },
|
|
{"widetilde", tilde, 0 },
|
|
{"underbar", hline, 0 },
|
|
{"underline", hline, 0 },
|
|
{"overline", hline, 0 },
|
|
{"underbrace", brace, 1 },
|
|
{"overbrace", brace, 3 },
|
|
{"overleftarrow", arrow, 1 },
|
|
{"overrightarrow", arrow, 3 },
|
|
{"overleftrightarrow", udarrow, 1 },
|
|
{"xleftarrow", arrow, 1 },
|
|
{"xrightarrow", arrow, 3 },
|
|
{"underleftarrow", arrow, 1 },
|
|
{"underrightarrow", arrow, 3 },
|
|
{"underleftrightarrow", udarrow, 1 },
|
|
|
|
// Delimiters
|
|
{"(", parenth, 0 },
|
|
{")", parenth, 2 },
|
|
{"{", brace, 0 },
|
|
{"}", brace, 2 },
|
|
{"[", brack, 0 },
|
|
{"]", brack, 2 },
|
|
{"|", vert, 0 },
|
|
{"/", slash, 0 },
|
|
{"vert", vert, 0 },
|
|
{"Vert", Vert, 0 },
|
|
{"'", slash, 1 },
|
|
{"backslash", slash, 1 },
|
|
{"langle", angle, 0 },
|
|
{"lceil", corner, 0 },
|
|
{"lfloor", corner, 1 },
|
|
{"rangle", angle, 2 },
|
|
{"rceil", corner, 3 },
|
|
{"rfloor", corner, 2 },
|
|
{"downarrow", arrow, 2 },
|
|
{"Downarrow", Arrow, 2 },
|
|
{"uparrow", arrow, 0 },
|
|
{"Uparrow", Arrow, 0 },
|
|
{"updownarrow", udarrow, 0 },
|
|
{"Updownarrow", Udarrow, 0 },
|
|
|
|
// Accents
|
|
{"ddot", ddot, 0 },
|
|
{"dddot", dddot, 0 },
|
|
{"hat", angle, 3 },
|
|
{"grave", slash, 1 },
|
|
{"acute", slash, 0 },
|
|
{"tilde", tilde, 0 },
|
|
{"bar", hline, 0 },
|
|
{"dot", hlinesmall, 0 },
|
|
{"check", angle, 1 },
|
|
{"breve", parenth, 1 },
|
|
{"vec", arrow, 3 },
|
|
{"mathring", ring, 0 },
|
|
|
|
// Dots
|
|
{"dots", hline3, 0 },
|
|
{"ldots", hline3, 0 },
|
|
{"cdots", hline3, 0 },
|
|
{"vdots", hline3, 1 },
|
|
{"ddots", dline3, 0 },
|
|
{"dotsb", hline3, 0 },
|
|
{"dotsc", hline3, 0 },
|
|
{"dotsi", hline3, 0 },
|
|
{"dotsm", hline3, 0 },
|
|
{"dotso", hline3, 0 }
|
|
};
|
|
|
|
|
|
std::map<string, deco_struct> deco_list;
|
|
|
|
// sort the table on startup
|
|
struct init_deco_table {
|
|
init_deco_table() {
|
|
unsigned const n = sizeof(deco_table) / sizeof(deco_table[0]);
|
|
for (named_deco_struct * p = deco_table; p != deco_table + n; ++p) {
|
|
deco_struct d;
|
|
d.data = p->data;
|
|
d.angle = p->angle;
|
|
deco_list[p->name]= d;
|
|
}
|
|
}
|
|
};
|
|
|
|
static init_deco_table dummy;
|
|
|
|
|
|
deco_struct const * search_deco(string const & name)
|
|
{
|
|
std::map<string, deco_struct>::const_iterator p = deco_list.find(name);
|
|
return (p == deco_list.end()) ? 0 : &(p->second);
|
|
}
|
|
|
|
|
|
} // namespace anon
|
|
|
|
|
|
void mathed_char_dim(LyXFont const & font, unsigned char c, Dimension & dim)
|
|
{
|
|
dim.des = font_metrics::descent(c, font);
|
|
dim.asc = font_metrics::ascent(c, font);
|
|
dim.wid = mathed_char_width(font, c);
|
|
}
|
|
|
|
|
|
int mathed_char_ascent(LyXFont const & font, unsigned char c)
|
|
{
|
|
return font_metrics::ascent(c, font);
|
|
}
|
|
|
|
|
|
int mathed_char_descent(LyXFont const & font, unsigned char c)
|
|
{
|
|
return font_metrics::descent(c, font);
|
|
}
|
|
|
|
|
|
int mathed_char_width(LyXFont const & font, unsigned char c)
|
|
{
|
|
return font_metrics::width(c, font);
|
|
}
|
|
|
|
|
|
void mathed_string_dim(LyXFont const & font, string const & s, Dimension & dim)
|
|
{
|
|
#if 1
|
|
dim.asc = 0;
|
|
dim.des = 0;
|
|
for (string::const_iterator it = s.begin(); it != s.end(); ++it) {
|
|
dim.asc = max(dim.asc, font_metrics::ascent(*it, font));
|
|
dim.des = max(dim.des, font_metrics::descent(*it, font));
|
|
}
|
|
#else
|
|
dim.asc = font_metrics::maxAscent(font);
|
|
dim.des = font_metrics::maxDescent(font);
|
|
#endif
|
|
dim.wid = font_metrics::width(s, font);
|
|
}
|
|
|
|
|
|
int mathed_string_width(LyXFont const & font, string const & s)
|
|
{
|
|
return font_metrics::width(s, font);
|
|
}
|
|
|
|
|
|
void mathed_draw_deco(PainterInfo & pi, int x, int y, int w, int h,
|
|
string const & name)
|
|
{
|
|
if (name == ".") {
|
|
pi.pain.line(x + w/2, y, x + w/2, y + h,
|
|
LColor::cursor, Painter::line_onoffdash);
|
|
return;
|
|
}
|
|
|
|
deco_struct const * mds = search_deco(name);
|
|
if (!mds) {
|
|
lyxerr << "Deco was not found. Programming error?" << endl;
|
|
lyxerr << "name: '" << name << "'" << endl;
|
|
return;
|
|
}
|
|
|
|
int const n = (w < h) ? w : h;
|
|
int const r = mds->angle;
|
|
double const * d = mds->data;
|
|
|
|
if (h > 70 && (name == "(" || name == ")"))
|
|
d = parenthHigh;
|
|
|
|
Matrix mt(r, w, h);
|
|
Matrix sqmt(r, n, n);
|
|
|
|
if (r > 0 && r < 3)
|
|
y += h;
|
|
|
|
if (r >= 2)
|
|
x += w;
|
|
|
|
for (int i = 0; d[i]; ) {
|
|
int code = int(d[i++]);
|
|
if (code & 1) { // code == 1 || code == 3
|
|
double xx = d[i++];
|
|
double yy = d[i++];
|
|
double x2 = d[i++];
|
|
double y2 = d[i++];
|
|
if (code == 3)
|
|
sqmt.transform(xx, yy);
|
|
else
|
|
mt.transform(xx, yy);
|
|
mt.transform(x2, y2);
|
|
pi.pain.line(
|
|
int(x + xx + 0.5), int(y + yy + 0.5),
|
|
int(x + x2 + 0.5), int(y + y2 + 0.5),
|
|
LColor::math);
|
|
} else {
|
|
int xp[32];
|
|
int yp[32];
|
|
int const n = int(d[i++]);
|
|
for (int j = 0; j < n; ++j) {
|
|
double xx = d[i++];
|
|
double yy = d[i++];
|
|
// lyxerr << ' ' << xx << ' ' << yy << ' ';
|
|
if (code == 4)
|
|
sqmt.transform(xx, yy);
|
|
else
|
|
mt.transform(xx, yy);
|
|
xp[j] = int(x + xx + 0.5);
|
|
yp[j] = int(y + yy + 0.5);
|
|
// lyxerr << "P[" << j ' ' << xx << ' ' << yy << ' ' << x << ' ' << y << ']';
|
|
}
|
|
pi.pain.lines(xp, yp, n, LColor::math);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// In the future maybe we use a better fonts renderer
|
|
void drawStr(PainterInfo & pi, LyXFont const & font,
|
|
int x, int y, string const & str)
|
|
{
|
|
pi.pain.text(x, y, str, font);
|
|
}
|
|
|
|
|
|
void drawStrRed(PainterInfo & pi, int x, int y, string const & str)
|
|
{
|
|
LyXFont f = pi.base.font;
|
|
f.setColor(LColor::latex);
|
|
pi.pain.text(x, y, str, f);
|
|
}
|
|
|
|
|
|
void drawStrBlack(PainterInfo & pi, int x, int y, string const & str)
|
|
{
|
|
LyXFont f = pi.base.font;
|
|
f.setColor(LColor::foreground);
|
|
pi.pain.text(x, y, str, f);
|
|
}
|
|
|
|
|
|
void drawChar(PainterInfo & pi, LyXFont const & font, int x, int y, char c)
|
|
{
|
|
pi.pain.text(x, y, c, font);
|
|
}
|
|
|
|
|
|
void math_font_max_dim(LyXFont const & font, int & asc, int & des)
|
|
{
|
|
asc = font_metrics::maxAscent(font);
|
|
des = font_metrics::maxDescent(font);
|
|
}
|
|
|
|
|
|
struct fontinfo {
|
|
string cmd_;
|
|
LyXFont::FONT_FAMILY family_;
|
|
LyXFont::FONT_SERIES series_;
|
|
LyXFont::FONT_SHAPE shape_;
|
|
LColor::color color_;
|
|
};
|
|
|
|
|
|
LyXFont::FONT_FAMILY const inh_family = LyXFont::INHERIT_FAMILY;
|
|
LyXFont::FONT_SERIES const inh_series = LyXFont::INHERIT_SERIES;
|
|
LyXFont::FONT_SHAPE const inh_shape = LyXFont::INHERIT_SHAPE;
|
|
|
|
|
|
// mathnormal should be the first, otherwise the fallback further down
|
|
// does not work
|
|
fontinfo fontinfos[] = {
|
|
// math fonts
|
|
{"mathnormal", LyXFont::ROMAN_FAMILY, LyXFont::MEDIUM_SERIES,
|
|
LyXFont::ITALIC_SHAPE, LColor::math},
|
|
{"mathbf", inh_family, LyXFont::BOLD_SERIES,
|
|
inh_shape, LColor::math},
|
|
{"mathcal", LyXFont::CMSY_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"mathfrak", LyXFont::EUFRAK_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"mathrm", LyXFont::ROMAN_FAMILY, inh_series,
|
|
LyXFont::UP_SHAPE, LColor::math},
|
|
{"mathsf", LyXFont::SANS_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"mathbb", LyXFont::MSB_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"mathtt", LyXFont::TYPEWRITER_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"mathit", inh_family, inh_series,
|
|
LyXFont::ITALIC_SHAPE, LColor::math},
|
|
{"cmex", LyXFont::CMEX_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"cmm", LyXFont::CMM_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"cmr", LyXFont::CMR_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"cmsy", LyXFont::CMSY_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"eufrak", LyXFont::EUFRAK_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"msa", LyXFont::MSA_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"msb", LyXFont::MSB_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
{"wasy", LyXFont::WASY_FAMILY, inh_series,
|
|
inh_shape, LColor::none},
|
|
|
|
// Text fonts
|
|
{"text", inh_family, inh_series,
|
|
inh_shape, LColor::foreground},
|
|
{"textbf", inh_family, LyXFont::BOLD_SERIES,
|
|
inh_shape, LColor::foreground},
|
|
{"textit", inh_family, inh_series,
|
|
LyXFont::ITALIC_SHAPE, LColor::foreground},
|
|
{"textmd", inh_family, LyXFont::MEDIUM_SERIES,
|
|
inh_shape, LColor::foreground},
|
|
{"textnormal", inh_family, inh_series,
|
|
LyXFont::UP_SHAPE, LColor::foreground},
|
|
{"textrm", LyXFont::ROMAN_FAMILY,
|
|
inh_series,LyXFont::UP_SHAPE,LColor::foreground},
|
|
{"textsc", inh_family, inh_series,
|
|
LyXFont::SMALLCAPS_SHAPE, LColor::foreground},
|
|
{"textsf", LyXFont::SANS_FAMILY, inh_series,
|
|
inh_shape, LColor::foreground},
|
|
{"textsl", inh_family, inh_series,
|
|
LyXFont::SLANTED_SHAPE, LColor::foreground},
|
|
{"texttt", LyXFont::TYPEWRITER_FAMILY, inh_series,
|
|
inh_shape, LColor::foreground},
|
|
{"textup", inh_family, inh_series,
|
|
LyXFont::UP_SHAPE, LColor::foreground},
|
|
|
|
// TIPA support
|
|
{"textipa", inh_family, inh_series,
|
|
inh_shape, LColor::foreground},
|
|
|
|
// LyX internal usage
|
|
{"lyxtex", inh_family, inh_series,
|
|
LyXFont::UP_SHAPE, LColor::latex},
|
|
{"lyxert", LyXFont::TYPEWRITER_FAMILY, inh_series,
|
|
LyXFont::UP_SHAPE, LColor::latex},
|
|
{"lyxsymbol", LyXFont::SYMBOL_FAMILY, inh_series,
|
|
inh_shape, LColor::math},
|
|
{"lyxboldsymbol", LyXFont::SYMBOL_FAMILY, LyXFont::BOLD_SERIES,
|
|
inh_shape, LColor::math},
|
|
{"lyxblacktext", LyXFont::ROMAN_FAMILY, LyXFont::MEDIUM_SERIES,
|
|
LyXFont::UP_SHAPE, LColor::foreground},
|
|
{"lyxnochange", inh_family, inh_series,
|
|
inh_shape, LColor::foreground},
|
|
{"lyxfakebb", LyXFont::TYPEWRITER_FAMILY, LyXFont::BOLD_SERIES,
|
|
LyXFont::UP_SHAPE, LColor::math},
|
|
{"lyxfakecal", LyXFont::SANS_FAMILY, LyXFont::MEDIUM_SERIES,
|
|
LyXFont::ITALIC_SHAPE, LColor::math},
|
|
{"lyxfakefrak", LyXFont::ROMAN_FAMILY, LyXFont::BOLD_SERIES,
|
|
LyXFont::ITALIC_SHAPE, LColor::math}
|
|
};
|
|
|
|
|
|
fontinfo * lookupFont(string const & name)
|
|
{
|
|
//lyxerr << "searching font '" << name << "'" << endl;
|
|
int const n = sizeof(fontinfos) / sizeof(fontinfo);
|
|
for (int i = 0; i < n; ++i)
|
|
if (fontinfos[i].cmd_ == name) {
|
|
//lyxerr << "found '" << i << "'" << endl;
|
|
return fontinfos + i;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
fontinfo * searchFont(string const & name)
|
|
{
|
|
fontinfo * f = lookupFont(name);
|
|
return f ? f : fontinfos;
|
|
// this should be mathnormal
|
|
//return searchFont("mathnormal");
|
|
}
|
|
|
|
|
|
bool isFontName(string const & name)
|
|
{
|
|
return lookupFont(name);
|
|
}
|
|
|
|
|
|
LyXFont getFont(string const & name)
|
|
{
|
|
LyXFont font;
|
|
augmentFont(font, name);
|
|
return font;
|
|
}
|
|
|
|
|
|
void fakeFont(string const & orig, string const & fake)
|
|
{
|
|
fontinfo * forig = searchFont(orig);
|
|
fontinfo * ffake = searchFont(fake);
|
|
if (forig && ffake) {
|
|
forig->family_ = ffake->family_;
|
|
forig->series_ = ffake->series_;
|
|
forig->shape_ = ffake->shape_;
|
|
forig->color_ = ffake->color_;
|
|
} else {
|
|
lyxerr << "Can't fake font '" << orig << "' with '"
|
|
<< fake << "'" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
void augmentFont(LyXFont & font, string const & name)
|
|
{
|
|
static bool initialized = false;
|
|
if (!initialized) {
|
|
initialized = true;
|
|
// fake fonts if necessary
|
|
if (!lyx_gui::font_available(getFont("mathfrak")))
|
|
fakeFont("mathfrak", "lyxfakefrak");
|
|
if (!lyx_gui::font_available(getFont("mathcal")))
|
|
fakeFont("mathcal", "lyxfakecal");
|
|
}
|
|
fontinfo * info = searchFont(name);
|
|
if (info->family_ != inh_family)
|
|
font.setFamily(info->family_);
|
|
if (info->series_ != inh_series)
|
|
font.setSeries(info->series_);
|
|
if (info->shape_ != inh_shape)
|
|
font.setShape(info->shape_);
|
|
if (info->color_ != LColor::none)
|
|
font.setColor(info->color_);
|
|
}
|
|
|
|
|
|
string asString(MathArray const & ar)
|
|
{
|
|
std::ostringstream os;
|
|
WriteStream ws(os);
|
|
ws << ar;
|
|
return os.str();
|
|
}
|
|
|
|
|
|
void asArray(string const & str, MathArray & ar)
|
|
{
|
|
mathed_parse_cell(ar, str);
|
|
}
|
|
|
|
|
|
string asString(MathInset const & inset)
|
|
{
|
|
std::ostringstream os;
|
|
WriteStream ws(os);
|
|
inset.write(ws);
|
|
return os.str();
|
|
}
|
|
|
|
|
|
string asString(MathAtom const & at)
|
|
{
|
|
std::ostringstream os;
|
|
WriteStream ws(os);
|
|
at->write(ws);
|
|
return os.str();
|
|
}
|