#include "Painter.h"
#include "debug.h"
+using std::map;
using std::endl;
using std::max;
class Matrix {
public:
///
- typedef float matriz_data[2][2];
+ Matrix(int, double, double);
///
- Matrix();
- ///
- void rotate(int);
- ///
- void escalate(float, float);
- ///
- void transform(float, float, float &, float &);
+ void transform(double &, double &);
private:
///
- matriz_data m_;
- ///
- void multiply(matriz_data & a);
+ double m_[2][2];
};
-Matrix::Matrix()
-{
- m_[0][0] = 1;
- m_[0][1] = 0;
- m_[1][0] = 0;
- m_[1][1] = 1;
-}
-
-void Matrix::rotate(int code)
-{
- matriz_data r;
- r[0][0] = 1;
- r[0][1] = 0;
- r[1][0] = 0;
- r[1][1] = 1;
- float const cs = (code & 1) ? 0 : (1 - code);
- float const sn = (code & 1) ? (2 - code) : 0;
- r[0][0] = cs;
- r[0][1] = sn;
- r[1][0] = -r[0][1];
- r[1][1] = r[0][0];
- multiply(r);
-}
-void Matrix::escalate(float x, float y)
+Matrix::Matrix(int code, double x, double y)
{
- matriz_data s;
- s[0][0] = x;
- s[0][1] = 0;
- s[1][0] = 0;
- s[1][1] = y;
- multiply(s);
+ 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::multiply(matriz_data & a)
-{
- matriz_data c;
- c[0][0] = a[0][0] * m_[0][0] + a[0][1] * m_[1][0];
- c[1][0] = a[1][0] * m_[0][0] + a[1][1] * m_[1][0];
- c[0][1] = a[0][0] * m_[0][1] + a[0][1] * m_[1][1];
- c[1][1] = a[1][0] * m_[0][1] + a[1][1] * m_[1][1];
- m_[0][0] = c[0][0];
- m_[0][1] = c[0][1];
- m_[1][0] = c[1][0];
- m_[1][1] = c[1][1];
-}
-void Matrix::transform(float xp, float yp, float & x, float & y)
+void Matrix::transform(double & x, double & y)
{
- x = m_[0][0] * xp + m_[0][1] * yp;
- y = m_[1][0] * xp + m_[1][1] * yp;
+ double xx = m_[0][0] * x + m_[0][1] * y;
+ double yy = m_[1][0] * x + m_[1][1] * y;
+ x = xx;
+ y = yy;
}
*/
-float const parenthHigh[] = {
+double const parenthHigh[] = {
2.0, 13.0,
0.9840, 0.0014, 0.7143, 0.0323, 0.4603, 0.0772,
0.2540, 0.1278, 0.1746, 0.1966, 0.0952, 0.3300,
};
-float const parenth[] = {
+double const parenth[] = {
2.0, 13.0,
0.9930, 0.0071, 0.7324, 0.0578, 0.5141, 0.1126,
0.3380, 0.1714, 0.2183, 0.2333, 0.0634, 0.3621,
};
-float const brace[] = {
+double const brace[] = {
2.0, 21.0,
0.9492, 0.0020, 0.9379, 0.0020, 0.7458, 0.0243,
0.5819, 0.0527, 0.4859, 0.0892, 0.4463, 0.1278,
// Is this correct? (Lgb)
-float const arrow[] = {
+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,
// Is this correct? (Lgb)
-float const Arrow[] = {
+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,
};
-float const udarrow[] = {
+double const udarrow[] = {
2, 3,
0.015, 0.25, 0.5, 0.05, 0.95, 0.25,
2, 3,
};
-float const Udarrow[] = {
+double const Udarrow[] = {
2, 3,
0.015, 0.25, 0.5, 0.05, 0.95, 0.25,
2, 3,
};
-float const brack[] = {
+double const brack[] = {
2.0, 4,
0.95, 0.05, 0.05, 0.05, 0.05, 0.95, 0.95, 0.95,
0.0
};
-float const corner[] = {
+double const corner[] = {
2.0, 3,
0.95, 0.05, 0.05, 0.05, 0.05, 0.95,
0.0
};
-float const angle[] = {
+double const angle[] = {
2.0, 3,
1, 0, 0.05, 0.5, 1, 1,
0.0
};
-float const slash[] = {
+double const slash[] = {
1, 0.95, 0.05, 0.05, 0.95,
0.0
};
-float const hline[] = {
+double const hline[] = {
1, 0.05, 0.5, 0.95, 0.5,
0.0
};
-float const hline2[] = {
+double const hline2[] = {
1, 0.1, 0.5, 0.3, 0.5,
1, 0.7, 0.5, 0.9, 0.5,
0.0
};
-float const hline3[] = {
+double const hline3[] = {
1, 0.1, 0, 0.15, 0,
1, 0.475, 0, 0.525, 0,
1, 0.85, 0, 0.9, 0,
};
-float const dline3[] = {
+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,
};
-float const hlinesmall[] = {
+double const hlinesmall[] = {
1, 0.4, 0.5, 0.6, 0.5,
0.0
};
-float const vert[] = {
+double const vert[] = {
1, 0.5, 0.05, 0.5, 0.95,
0.0
};
-float const Vert[] = {
+double const Vert[] = {
1, 0.3, 0.05, 0.3, 0.95,
1, 0.7, 0.05, 0.7, 0.95,
0.0
};
-float const tilde[] = {
+double const tilde[] = {
2.0, 4,
0.05, 0.8, 0.25, 0.2, 0.75, 0.8, 0.95, 0.2,
0.0
struct deco_struct {
- float const * data;
+ double const * data;
int angle;
};
struct named_deco_struct {
char const * name;
- float const * data;
+ double const * data;
int angle;
};
named_deco_struct deco_table[] = {
// Decorations
- {"widehat", angle, 3 },
- {"widetilde", tilde, 0 },
- {"underline", hline, 0 },
- {"overline", hline, 0 },
- {"underbrace", brace, 1 },
- {"overbrace", brace, 3 },
- {"overleftarrow", arrow, 1 },
- {"overightarrow", arrow, 3 },
+ {"widehat", angle, 3 },
+ {"widetilde", tilde, 0 },
+ {"underline", hline, 0 },
+ {"overline", hline, 0 },
+ {"underbrace", brace, 1 },
+ {"overbrace", brace, 3 },
+ {"overleftarrow", arrow, 1 },
+ {"overrightarrow", arrow, 3 },
// Delimiters
- {"(", parenth, 0 },
- {")", parenth, 2 },
- {"{", brace, 0 },
- {"}", brace, 2 },
- {"[", brack, 0 },
- {"]", brack, 2 },
- {"|", vert, 0 },
- {"/", slash, 0 },
- {"Vert", Vert, 0 },
- {"'", 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", hline2, 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 },
- {"not", slash, 0 },
-
- // Dots
- {"ldots", hline3, 0 },
- {"cdots", hline3, 0 },
- {"vdots", hline3, 1 },
- {"ddots", dline3, 0 }
+ {"(", parenth, 0 },
+ {")", parenth, 2 },
+ {"{", brace, 0 },
+ {"}", brace, 2 },
+ {"[", brack, 0 },
+ {"]", brack, 2 },
+ {"|", vert, 0 },
+ {"/", slash, 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", hline2, 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 },
+ {"not", slash, 0 },
+
+ // Dots
+ {"ldots", hline3, 0 },
+ {"cdots", hline3, 0 },
+ {"vdots", hline3, 1 },
+ {"ddots", dline3, 0 }
};
-std::map<string, deco_struct> deco_list;
+map<string, deco_struct> deco_list;
// sort the table on startup
struct init_deco_table {
void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
const string & name)
{
- Matrix mt;
- Matrix sqmt;
- int i = 0;
-
if (name == ".") {
pain.line(x + w/2, y, x + w/2, y + h,
LColor::mathcursor, Painter::line_onoffdash);
deco_struct const * mds = search_deco(name);
if (!mds) {
lyxerr << "Deco was not found. Programming error?\n";
- lyxerr << "name: '" << name << "\n";
+ lyxerr << "name: '" << name << "'\n";
return;
}
+ int const n = (w < h) ? w : h;
int const r = mds->angle;
- float const * d = mds->data;
+ double const * d = mds->data;
if (h > 70 && (name == "(" || name == ")"))
d = parenthHigh;
- mt.rotate(r);
- mt.escalate(w, h);
-
- int const n = (w < h) ? w : h;
-
- sqmt.rotate(r);
- sqmt.escalate(n, n);
+ Matrix mt(r, w, h);
+ Matrix sqmt(r, n, n);
if (r > 0 && r < 3)
y += h;
if (r >= 2)
x += w;
- int code;
- do {
- float xx;
- float yy;
- float x2;
- float y2;
-
- code = int(d[i++]);
- switch (code) {
- case 0: break;
- case 1:
- case 3:
- {
- xx = d[i++]; yy = d[i++];
- x2 = d[i++]; y2 = d[i++];
+ 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, xx, yy);
+ sqmt.transform(xx, yy);
else
- mt.transform(xx, yy, xx, yy);
- mt.transform(x2, y2, x2, y2);
- pain.line(x + int(xx), y + int(yy),
- x + int(x2), y + int(y2),
- LColor::mathline);
- break;
- }
- case 2:
- case 4:
- {
+ mt.transform(xx, yy);
+ mt.transform(x2, y2);
+ pain.line(x + int(xx), y + int(yy), x + int(x2), y + int(y2),
+ LColor::mathline);
+ } else {
int xp[32];
int yp[32];
int const n = int(d[i++]);
for (int j = 0; j < n; ++j) {
- xx = d[i++]; yy = d[i++];
+ double xx = d[i++];
+ double yy = d[i++];
// lyxerr << " " << xx << " " << yy << " ";
if (code == 4)
- sqmt.transform(xx, yy, xx, yy);
+ sqmt.transform(xx, yy);
else
- mt.transform(xx, yy, xx, yy);
+ mt.transform(xx, yy);
xp[j] = x + int(xx);
yp[j] = y + int(yy);
// lyxerr << "P[" << j " " << xx << " " << yy << " " << x << " " << y << "]";
}
pain.lines(xp, yp, n, LColor::mathline);
}
- }
- } while (code);
+ }
}
projects / lyx.git / blobdiff