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| author | eugeni <eugeni@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-02-22 19:31:49 +0000 |
|---|---|---|
| committer | eugeni <eugeni@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2008-02-22 19:31:49 +0000 |
| commit | dd8c7c9e2c54a2a70eb994eba76d324c2728db40 (patch) | |
| tree | 30d8d47db6412814617b23f2d0e56bf3402201b9 /libass | |
| parent | 59f43e8231728c5d04cf29c14cc6f329d43b179a (diff) | |
| download | mpv-dd8c7c9e2c54a2a70eb994eba76d324c2728db40.tar.bz2 mpv-dd8c7c9e2c54a2a70eb994eba76d324c2728db40.tar.xz | |
Better handling of behind-the-camera objects.
Every point that is behind the camera is moved to the clipping plane by
orthographic projection. It is obviously incorrect, but this is a very rare
case, and proper clipping of Bezier curves is not that easy.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26065 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libass')
| -rw-r--r-- | libass/ass_render.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c index 6b345a7247..05657294a7 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -1623,6 +1623,7 @@ static inline void transform_point_3d(double *a, double *m, double *b) */ static inline void transform_vector_3d(FT_Vector* v, double *m) { const double camera = 2500 * frame_context.border_scale; // camera distance + const double cutoff_z = 10.; double a[4], b[4]; a[0] = d6_to_double(v->x); a[1] = d6_to_double(v->y); @@ -1641,8 +1642,8 @@ static inline void transform_vector_3d(FT_Vector* v, double *m) { b[0] *= camera; b[1] *= camera; b[3] = 8 * b[2] + camera; - if (b[3] < 0.001 && b[3] > -0.001) - b[3] = b[3] < 0. ? -0.001 : 0.001; + if (b[3] < cutoff_z) + b[3] = cutoff_z; v->x = double_to_d6(b[0] / b[3]); v->y = double_to_d6(b[1] / b[3]); } |