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