48                      FX_FLOAT dx1, FX_FLOAT dy1,  in stroke_calc_arc()  argument
54     FX_FLOAT a1 = FXSYS_atan2(dy1, dx1);  in stroke_calc_arc()
62     out_vertices.add(coord_type(x + dx1, y + dy1));  in stroke_calc_arc()
95                        FX_FLOAT dx1, FX_FLOAT dy1,  in stroke_calc_miter()  argument
106     if(calc_intersection(v0.x + dx1, v0.y - dy1,  in stroke_calc_miter()
107                          v1.x + dx1, v1.y - dy1,  in stroke_calc_miter()
118         FX_FLOAT x2 = v1.x + dx1;  in stroke_calc_miter()
120         if ((((x2 - v0.x) * dy1) - ((v0.y - y2) * dx1) < 0) !=  in stroke_calc_miter()
121             (((x2 - v2.x) * dy1) - ((v2.y - y2) * dx1) < 0)) {  in stroke_calc_miter()
122             out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_miter()
129                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_miter()
134                                 v1.x, v1.y, dx1, -dy1, dx2, -dy2,  in stroke_calc_miter()
138               out_vertices.add(coord_type(v1.x + dx1 + (dy1 * miter_limit),  in stroke_calc_miter()
139                                           v1.y - dy1 + (dx1 * miter_limit)));  in stroke_calc_miter()
157     FX_FLOAT dx1 = (v1.y - v0.y) / len;  in stroke_calc_cap()  local
161     dx1 = dx1 * width;  in stroke_calc_cap()
166             dy2 = dx1;  in stroke_calc_cap()
168         out_vertices.add(coord_type(v0.x - dx1 - dx2, v0.y + dy1 - dy2));  in stroke_calc_cap()
169         out_vertices.add(coord_type(v0.x + dx1 - dx2, v0.y - dy1 - dy2));  in stroke_calc_cap()
171         FX_FLOAT a1 = FXSYS_atan2(dy1, -dx1);  in stroke_calc_cap()
176         out_vertices.add(coord_type(v0.x - dx1, v0.y + dy1));  in stroke_calc_cap()
184         out_vertices.add(coord_type(v0.x + dx1, v0.y - dy1));  in stroke_calc_cap()
202     FX_FLOAT dx1, dy1, dx2, dy2;  in stroke_calc_join()  local
203     dx1 = width * (v1.y - v0.y) / len1;  in stroke_calc_join()
211                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_join()
216                                   v0, v1, v2, dx1, dy1, dx2, dy2,  in stroke_calc_join()
224                     FX_FLOAT d = (dx1 - dx2) * (dx1 - dx2) + (dy1 - dy2) * (dy1 - dy2);  in stroke_calc_join()
227                                           v0, v1, v2, dx1, dy1, dx2, dy2,  in stroke_calc_join()
234                             out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_join()
238                             out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_join()
241                                             v1.x, v1.y, dx2, -dy2, dx1, -dy1,  in stroke_calc_join()
256                                   v0, v1, v2, dx1, dy1, dx2, dy2,  in stroke_calc_join()
264                                 v1.x, v1.y, dx1, -dy1, dx2, -dy2,  in stroke_calc_join()
268                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));  in stroke_calc_join()