Lines Matching defs:dy
73 float dx, dy;
109 dy = pixman_fixed_to_double(linear->p2.y - linear->p1.y);
147 dy = p2.v[1] - p1.v[1];
153 sf = dx*dx + dy*dy;
155 dy /= sf;
158 channel->u.linear.dy = dy;
159 channel->u.linear.offset = -dx*(x0+dst_x-x) + -dy*(y0+dst_y-y);
162 channel->embedded_transform.matrix[0][1] = pixman_double_to_fixed(dy);
175 DBG(("%s: dx=%f, dy=%f, offset=%f\n",
176 __FUNCTION__, dx, dy, channel->u.linear.offset));