Searched defs:P1 (Results 1 - 5 of 5) sorted by relevance

/inkscape/src/2geom/
H A Dconic_section_clipper_impl.cpp217 bool CLIPPER_CLASS::are_paired (Point& M, const Point & P1, const Point & P2) const argument
226 Point dir = P2 - P1;
227 DBGPRINT ("CLIP: are_paired: first point: ", P1)
255 // on the same side wrt the line passing through P1 and P2, but
257 double side0 = signed_triangle_area (P1, extrema[0], P2);
258 double side1 = signed_triangle_area (P1, extrema[1], P2);
277 // that follows such an ordering wrt P1 and P2;
279 double P1angle = cs.angle_at (P1);
H A Dbezier-clipping.cpp128 * Compute the determinant of the 2x2 matrix with column the point P1, P2
130 double det(Point const& P1, Point const& P2) argument
132 return P1[X]*P2[Y] - P1[Y]*P2[X];
136 * Solve the linear system [P1,P2] * P = Q
139 bool solve(Point & P, Point const& P1, Point const& P2, Point const& Q) argument
141 double d = det(P1, P2);
145 P[Y] = det(P1, Q) * d;
H A Dconicsec.cpp124 Point P1 = Line0.pointAt((*oc).ta);
125 double triarea = boxprod(P0, P1, P2);
131 double tau0 = boxprod(P, P1, P2)/triarea;
133 double tau2 = boxprod(P0, P1, P)/triarea;
143 return RatQuad(P0, P1, P2, w);
150 RatQuad RatQuad::circularArc(Point P0, Point P1, Point P2) { argument
151 return RatQuad(P0, P1, P2, dot(unit_vector(P0 - P1), unit_vector(P0 - P2)));
1332 * P1: the initial point of the arc
1338 Rect xAx::arc_bound (const Point & P1, cons argument
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/inkscape/src/extension/internal/
H A Demf-print.cpp803 Geom::Point P1; local
818 P1 = cit->initialPoint();
825 if(Geom::are_near(P1_lead, P1, 1e-5))continue; // duplicate points at the same coordinate
826 v1 = unit_vector(P1 - P1_trail);
827 v2 = unit_vector(P1_lead - P1 );
828 if(Geom::are_near(dot(v1,v2), 1.0, 1e-5)){ // P1 is within a straight line
829 P1 = P1_lead;
832 // P1 is the center point of a turn of some angle
834 output.start( P1 );
837 if(!Geom::are_near(P1, P1_trai
861 Geom::Point P1; local
963 Geom::Point P1; local
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/inkscape/src/libuemf/
H A Dupmf.c861 \param Points Bezier points. Optional starting point, then N sets of 3, example: [P1] (Q12A Q12B P2) (Q23A Q23B P3).
866 If Start is set Elements must be 1 + multiple of 3. Ie, P1 Q12A Q12B P2 Q23A Q23B P3
868 If Start is clear Elements must be a multiple of 3. Ie, (P1, already in path) Q12A Q12B P2 Q23A Q23B P3
977 U_PMF_POINTF P1,P2; local
1016 P1 = U_eparam(a, b, &Center, Ang1, Theta); /* P1 */
1018 Bz[0] = U_qparam(Alpha, a, b, &P1, Ang1, Theta, 1); /* Q1 */
1022 if(StartSeg){ U_PATH_moveto(Path, P1, Flags); }
1023 else { U_PATH_lineto(Path, P1, Flags); }

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