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authorgreg <greg@b3059339-0415-0410-9bf9-f77b7e298cf2>2009-03-06 01:26:44 +0000
committergreg <greg@b3059339-0415-0410-9bf9-f77b7e298cf2>2009-03-06 01:26:44 +0000
commitd303d39798d85bb38ed394cbee5d4fa178aae2b7 (patch)
treeca44f608d32b1025f322b53b3c646cef0018e7b2 /libass
parentd4423f75164db09d86c6b6109574e43b35d500b9 (diff)
downloadmpv-d303d39798d85bb38ed394cbee5d4fa178aae2b7.tar.bz2
mpv-d303d39798d85bb38ed394cbee5d4fa178aae2b7.tar.xz
Replace magic numbers (for subpixel accuracy masking) with a define.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28835 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libass')
-rw-r--r--libass/ass_render.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c
index fa10d245db..0524e027b8 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -45,6 +45,7 @@
#define MAX_LINES 300
#define BLUR_MAX_RADIUS 50.0
#define ROUND(x) ((int) ((x) + .5))
+#define SUBPIXEL_MASK 56 // d6 bitmask for subpixel accuracy adjustment
static int last_render_id = 0;
@@ -1964,12 +1965,12 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
pen.y += delta.y * render_context.scale_y;
}
- shift.x = pen.x & 56;
- shift.y = pen.y & 56;
+ shift.x = pen.x & SUBPIXEL_MASK;
+ shift.y = pen.y & SUBPIXEL_MASK;
if (render_context.evt_type == EVENT_POSITIONED) {
- shift.x += double_to_d6(x2scr_pos(render_context.pos_x)) & 56;
- shift.y -= double_to_d6(y2scr_pos(render_context.pos_y)) & 56;
+ shift.x += double_to_d6(x2scr_pos(render_context.pos_x)) & SUBPIXEL_MASK;
+ shift.y -= double_to_d6(y2scr_pos(render_context.pos_y)) & SUBPIXEL_MASK;
}
ass_font_set_transform(render_context.font,