Subtract glyph bitmap from outline bitmap. It greatly improves display of glyphs with semitransparent primary color.
Subtract glyph bitmap from outline bitmap.
It greatly improves display of glyphs with semitransparent primary color.


git-svn-id: 947b4ff483bb4cc5004120385d99e48ac0944466@19862 b3059339-0415-0410-9bf9-f77b7e298cf2

Distrotech/libass,tgoyne/libass,torque/libass,Akemi/libass,tgoyne/libass,rhlee/libass,astiob/libass,blinkseb/libass,asimonov-im/libass,grigorig/libass,stps/libass,mwgoldsmith/libass,rhlee/libass,Akemi/libass,pigoz/libass-ct,stps/libass,pigoz/libass-ct,sanyaade-g2g-repos/libass,vault/libass,torque/libass,Akemi/libass,grigorig/libass,richardpl/libass,richardpl/libass,MrSmile/libass,stps/libass,pigoz/libass-ct,astiob/libass,libass/libass,libass/libass,xbmc/libass,mwgoldsmith/libass,tgoyne/libass,blinkseb/libass,asimonov-im/libass,MrSmile/libass,Distrotech/libass,ShiftMediaProject/libass,rhlee/libass,xbmc/libass,Distrotech/libass,ShiftMediaProject/libass,torque/libass,richardpl/libass,vault/libass,sanyaade-g2g-repos/libass,mwgoldsmith/libass,blinkseb/libass,sanyaade-g2g-repos/libass