libs/agg/agg_span_interpolator_persp.h

113             double dx;
116             dx = xt + delta;
118             m_trans_inv.transform(&dx, &dy);
119             dx -= x;
121             int sx1 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
122             dx = xt;
124             m_trans_inv.transform(&dx, &dy);
125             dx -= x;
127             int sy1 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
134             dx = xt + delta;
136             m_trans_inv.transform(&dx, &dy);
137             dx -= x;
139             int sx2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
140             dx = xt;
142             m_trans_inv.transform(&dx, &dy);
143             dx -= x;
145             int sy2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
165             double dx;
169             dx = xt + delta;
171             m_trans_inv.transform(&dx, &dy);
172             dx -= xe;
174             int sx2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
177             dx = xt;
179             m_trans_inv.transform(&dx, &dy);
180             dx -= xe;
182             int sy2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
326             double dx;
331             dx = xt + delta;
333             m_trans_inv.transform(&dx, &dy);
334             dx -= x;
336             int sx1 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
339             dx = xt;
341             m_trans_inv.transform(&dx, &dy);
342             dx -= x;
344             int sy1 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
355             dx = xt + delta;
357             m_trans_inv.transform(&dx, &dy);
358             dx -= x;
360             int sx2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
363             dx = xt;
365             m_trans_inv.transform(&dx, &dy);
366             dx -= x;
368             int sy2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
395             double dx;
399             dx = xt + delta;
401             m_trans_inv.transform(&dx, &dy);
402             dx -= xe;
404             int sx2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;
407             dx = xt;
409             m_trans_inv.transform(&dx, &dy);
410             dx -= xe;
412             int sy2 = uround(subpixel_scale/sqrt(dx*dx + dy*dy)) >> subpixel_shift;