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brush off the decoration drawing code a bit
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2747 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -26,73 +26,32 @@ bool isBinaryOp(char c, MathTextCodes type)
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class Matrix {
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public:
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///
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typedef double matriz_data[2][2];
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Matrix(int, double, double);
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///
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Matrix();
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///
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void rotate(int);
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///
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void escalate(double, double);
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///
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void transform(double, double, double &, double &);
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void transform(double &, double &);
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private:
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///
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matriz_data m_;
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///
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void multiply(matriz_data & a);
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double m_[2][2];
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};
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Matrix::Matrix()
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{
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m_[0][0] = 1;
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m_[0][1] = 0;
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m_[1][0] = 0;
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m_[1][1] = 1;
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}
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void Matrix::rotate(int code)
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Matrix::Matrix(int code, double x, double y)
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{
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matriz_data r;
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r[0][0] = 1;
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r[0][1] = 0;
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r[1][0] = 0;
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r[1][1] = 1;
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double const cs = (code & 1) ? 0 : (1 - code);
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double const sn = (code & 1) ? (2 - code) : 0;
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r[0][0] = cs;
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r[0][1] = sn;
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r[1][0] = -r[0][1];
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r[1][1] = r[0][0];
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multiply(r);
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m_[0][0] = cs * x;
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m_[0][1] = sn * x;
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m_[1][0] = -sn * y;
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m_[1][1] = cs * y;
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}
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void Matrix::escalate(double x, double y)
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{
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matriz_data s;
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s[0][0] = x;
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s[0][1] = 0;
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s[1][0] = 0;
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s[1][1] = y;
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multiply(s);
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}
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void Matrix::multiply(matriz_data & a)
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void Matrix::transform(double & x, double & y)
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{
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matriz_data c;
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c[0][0] = a[0][0] * m_[0][0] + a[0][1] * m_[1][0];
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c[1][0] = a[1][0] * m_[0][0] + a[1][1] * m_[1][0];
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c[0][1] = a[0][0] * m_[0][1] + a[0][1] * m_[1][1];
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c[1][1] = a[1][0] * m_[0][1] + a[1][1] * m_[1][1];
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m_[0][0] = c[0][0];
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m_[0][1] = c[0][1];
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m_[1][0] = c[1][0];
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m_[1][1] = c[1][1];
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}
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void Matrix::transform(double xp, double yp, double & x, double & y)
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{
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x = m_[0][0] * xp + m_[0][1] * yp;
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y = m_[1][0] * xp + m_[1][1] * yp;
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double xx = m_[0][0] * x + m_[0][1] * y;
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double yy = m_[1][0] * x + m_[1][1] * y;
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x = xx;
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y = yy;
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}
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@ -645,22 +604,15 @@ void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
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return;
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}
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int const n = (w < h) ? w : h;
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int const r = mds->angle;
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double const * d = mds->data;
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if (h > 70 && (name == "(" || name == ")"))
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d = parenthHigh;
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Matrix mt;
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Matrix sqmt;
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mt.rotate(r);
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mt.escalate(w, h);
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int const n = (w < h) ? w : h;
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sqmt.rotate(r);
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sqmt.escalate(n, n);
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Matrix mt(r, w, h);
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Matrix sqmt(r, n, n);
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if (r > 0 && r < 3)
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y += h;
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@ -676,12 +628,11 @@ void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
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double x2 = d[i++];
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double y2 = d[i++];
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if (code == 3)
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sqmt.transform(xx, yy, xx, yy);
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sqmt.transform(xx, yy);
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else
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mt.transform(xx, yy, xx, yy);
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mt.transform(x2, y2, x2, y2);
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pain.line(x + int(xx), y + int(yy),
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x + int(x2), y + int(y2),
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mt.transform(xx, yy);
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mt.transform(x2, y2);
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pain.line(x + int(xx), y + int(yy), x + int(x2), y + int(y2),
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LColor::mathline);
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} else {
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int xp[32];
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@ -692,9 +643,9 @@ void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
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double yy = d[i++];
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// lyxerr << " " << xx << " " << yy << " ";
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if (code == 4)
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sqmt.transform(xx, yy, xx, yy);
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sqmt.transform(xx, yy);
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else
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mt.transform(xx, yy, xx, yy);
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mt.transform(xx, yy);
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xp[j] = x + int(xx);
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yp[j] = y + int(yy);
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// lyxerr << "P[" << j " " << xx << " " << yy << " " << x << " " << y << "]";
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