altos/draw: Add damage tracking

[fw/altos] / src / draw / ao_line.c

diff --git a/src/draw/ao_line.c b/src/draw/ao_line.c
index 10c071eb4bdbc3cd77931231e937ff3dde39f0d4..14e1a3c1a591aec6b2cdc5341e08f57d2e01fca2 100644 (file)
--- a/src/draw/ao_line.c
+++ b/src/draw/ao_line.c
@@ -12,8 +12,8 @@
  * General Public License for more details.
  */
 
-#include "ao_draw.h"
-#include "ao_draw_int.h"
+#include <ao_draw.h>
+#include <ao_draw_int.h>
 
 #define ao_mask(x,w)   (ao_right(AO_ALLONES,(x) & AO_MASK) & \
                         ao_left(AO_ALLONES,(FB_UNIT - ((x)+(w))) & AO_MASK))
@@ -239,7 +239,7 @@ ao_clip_line(struct ao_cc *c, struct ao_cbox *b)
 }
 
 void
-ao_line(const struct ao_bitmap *dst,
+ao_line(struct ao_bitmap       *dst,
        int16_t                 x1,
        int16_t                 y1,
        int16_t                 x2,
@@ -325,10 +325,17 @@ ao_line(const struct ao_bitmap    *dst,
        if (adx > ady) {
                x1 = clip_1.major;
                y1 = clip_1.minor;
+               x2 = clip_2.major;
+               y2 = clip_2.minor;
        } else {
                x1 = clip_1.minor;
                y1 = clip_1.major;
+               x2 = clip_2.minor;
+               y2 = clip_2.major;
        }
+
+       ao_damage(dst, ao_min16(x1, x2), ao_max16(x1, x2), ao_min16(y1, y2), ao_max16(y1, y2));
+
        ao_bres(dst,
                signdx,
                signdy,