diff options
Diffstat (limited to 'libass/ass_bitmap.c')
-rw-r--r-- | libass/ass_bitmap.c | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c index 244bfbf305..e2e8e8f62a 100644 --- a/libass/ass_bitmap.c +++ b/libass/ass_bitmap.c @@ -26,7 +26,6 @@ #include FT_GLYPH_H #include "mp_msg.h" -#include "libvo/font_load.h" // for blur() #include "ass_bitmap.h" struct ass_synth_priv_s { @@ -90,6 +89,122 @@ static int generate_tables(ass_synth_priv_t* priv, double radius) return 0; } +static void blur(unsigned char *buffer, unsigned short *tmp2, + int width, int height, int stride, int *m2, int r, int mwidth) +{ + int x, y; + + unsigned char *s = buffer; + unsigned short *t = tmp2+1; + for(y=0; y<height; y++) { + memset(t-1, 0, (width+1)*sizeof(short)); + + for(x=0; x<r; x++) { + const int src= s[x]; + if(src) { + register unsigned short *dstp= t + x-r; + int mx; + unsigned *m3= m2 + src*mwidth; + for(mx=r-x; mx<mwidth; mx++) { + dstp[mx]+= m3[mx]; + } + } + } + + for(; x<width-r; x++) { + const int src= s[x]; + if(src) { + register unsigned short *dstp= t + x-r; + int mx; + unsigned *m3= m2 + src*mwidth; + for(mx=0; mx<mwidth; mx++) { + dstp[mx]+= m3[mx]; + } + } + } + + for(; x<width; x++) { + const int src= s[x]; + if(src) { + register unsigned short *dstp= t + x-r; + int mx; + const int x2= r+width -x; + unsigned *m3= m2 + src*mwidth; + for(mx=0; mx<x2; mx++) { + dstp[mx]+= m3[mx]; + } + } + } + + s+= stride; + t+= width + 1; + } + + t = tmp2; + for(x=0; x<width; x++) { + for(y=0; y<r; y++) { + unsigned short *srcp= t + y*(width+1) + 1; + int src= *srcp; + if(src) { + register unsigned short *dstp= srcp - 1 + width+1; + const int src2= (src + 128)>>8; + unsigned *m3= m2 + src2*mwidth; + + int mx; + *srcp= 128; + for(mx=r-1; mx<mwidth; mx++) { + *dstp += m3[mx]; + dstp+= width+1; + } + } + } + for(; y<height-r; y++) { + unsigned short *srcp= t + y*(width+1) + 1; + int src= *srcp; + if(src) { + register unsigned short *dstp= srcp - 1 - r*(width+1); + const int src2= (src + 128)>>8; + unsigned *m3= m2 + src2*mwidth; + + int mx; + *srcp= 128; + for(mx=0; mx<mwidth; mx++) { + *dstp += m3[mx]; + dstp+= width+1; + } + } + } + for(; y<height; y++) { + unsigned short *srcp= t + y*(width+1) + 1; + int src= *srcp; + if(src) { + const int y2=r+height-y; + register unsigned short *dstp= srcp - 1 - r*(width+1); + const int src2= (src + 128)>>8; + unsigned *m3= m2 + src2*mwidth; + + int mx; + *srcp= 128; + for(mx=0; mx<y2; mx++) { + *dstp += m3[mx]; + dstp+= width+1; + } + } + } + t++; + } + + t = tmp2; + s = buffer; + for(y=0; y<height; y++) { + for(x=0; x<width; x++) { + s[x]= t[x]>>8; + } + s+= stride; + t+= width + 1; + } +} + static void resize_tmp(ass_synth_priv_t* priv, int w, int h) { if (priv->tmp_w >= w && priv->tmp_h >= h) |