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Replace magic numbers (for subpixel accuracy masking) with a define.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28835 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
greg 2009-03-06 01:26:44 +00:00
parent d4423f7516
commit d303d39798
1 changed files with 5 additions and 4 deletions
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9
libass/ass_render.c
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@ -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,