118 lines
2.1 KiB
C++
118 lines
2.1 KiB
C++
// 7 september 2015
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#include "uipriv_windows.hpp"
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#include "draw.hpp"
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void m2d(uiDrawMatrix *m, D2D1_MATRIX_3X2_F *d)
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{
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d->_11 = m->M11;
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d->_12 = m->M12;
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d->_21 = m->M21;
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d->_22 = m->M22;
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d->_31 = m->M31;
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d->_32 = m->M32;
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}
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static void d2m(D2D1_MATRIX_3X2_F *d, uiDrawMatrix *m)
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{
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m->M11 = d->_11;
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m->M12 = d->_12;
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m->M21 = d->_21;
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m->M22 = d->_22;
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m->M31 = d->_31;
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m->M32 = d->_32;
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}
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void uiDrawMatrixTranslate(uiDrawMatrix *m, double x, double y)
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{
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D2D1_MATRIX_3X2_F dm;
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m2d(m, &dm);
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dm = dm * D2D1::Matrix3x2F::Translation(x, y);
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d2m(&dm, m);
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}
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void uiDrawMatrixScale(uiDrawMatrix *m, double xCenter, double yCenter, double x, double y)
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{
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D2D1_MATRIX_3X2_F dm;
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D2D1_POINT_2F center;
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m2d(m, &dm);
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center.x = xCenter;
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center.y = yCenter;
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dm = dm * D2D1::Matrix3x2F::Scale(x, y, center);
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d2m(&dm, m);
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}
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#define r2d(x) (x * (180.0 / M_PI))
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void uiDrawMatrixRotate(uiDrawMatrix *m, double x, double y, double amount)
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{
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D2D1_MATRIX_3X2_F dm;
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D2D1_POINT_2F center;
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m2d(m, &dm);
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center.x = x;
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center.y = y;
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dm = dm * D2D1::Matrix3x2F::Rotation(r2d(amount), center);
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d2m(&dm, m);
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}
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void uiDrawMatrixSkew(uiDrawMatrix *m, double x, double y, double xamount, double yamount)
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{
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D2D1_MATRIX_3X2_F dm;
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D2D1_POINT_2F center;
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m2d(m, &dm);
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center.x = x;
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center.y = y;
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dm = dm * D2D1::Matrix3x2F::Skew(r2d(xamount), r2d(yamount), center);
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d2m(&dm, m);
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}
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void uiDrawMatrixMultiply(uiDrawMatrix *dest, uiDrawMatrix *src)
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{
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D2D1_MATRIX_3X2_F c, d;
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m2d(dest, &c);
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m2d(src, &d);
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c = c * d;
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d2m(&c, dest);
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}
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int uiDrawMatrixInvertible(uiDrawMatrix *m)
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{
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D2D1_MATRIX_3X2_F d;
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m2d(m, &d);
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return D2D1IsMatrixInvertible(&d) != FALSE;
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}
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int uiDrawMatrixInvert(uiDrawMatrix *m)
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{
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D2D1_MATRIX_3X2_F d;
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m2d(m, &d);
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if (D2D1InvertMatrix(&d) == FALSE)
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return 0;
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d2m(&d, m);
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return 1;
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}
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void uiDrawMatrixTransformPoint(uiDrawMatrix *m, double *x, double *y)
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{
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D2D1::Matrix3x2F dm;
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D2D1_POINT_2F pt;
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m2d(m, &dm);
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pt.x = *x;
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pt.y = *y;
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pt = dm.TransformPoint(pt);
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*x = pt.x;
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*y = pt.y;
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}
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void uiDrawMatrixTransformSize(uiDrawMatrix *m, double *x, double *y)
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{
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fallbackTransformSize(m, x, y);
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}
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