Lines Matching refs:dx
42 int x, y, dx, dy, yy, xx; in draw_line() local
97 dx = x2 - x1; in draw_line()
108 dx = x2 - x1; in draw_line()
113 if (dx == 0) { in draw_line()
153 if (dy > dx) { in draw_line()
154 dx = ((dx << 16) / dy); in draw_line()
164 x += dx; in draw_line()
170 dy = ((dy << 16) / dx); in draw_line()
190 if (-dy > dx) { in draw_line()
191 dx = ((dx << 16) / -dy); in draw_line()
201 x += dx; in draw_line()
207 dy = ((dy << 16) / dx); in draw_line()