Lines Matching refs:coverage
48 /* coverage of the outline on each pixel cell. */
69 /* - A perfect anti-aliaser, i.e., it computes the _exact_ coverage on */
1190 unsigned char coverage = spans->coverage;
1193 if ( coverage )
1200 FT_MEM_SET( p + spans->x, (unsigned char)coverage, spans->len );
1208 case 7: *q++ = (unsigned char)coverage;
1209 case 6: *q++ = (unsigned char)coverage;
1210 case 5: *q++ = (unsigned char)coverage;
1211 case 4: *q++ = (unsigned char)coverage;
1212 case 3: *q++ = (unsigned char)coverage;
1213 case 2: *q++ = (unsigned char)coverage;
1214 case 1: *q = (unsigned char)coverage;
1232 int coverage;
1235 /* compute the coverage line's coverage, depending on the */
1238 /* the coverage percentage is area/(PIXEL_BITS*PIXEL_BITS*2) */
1240 coverage = (int)( area >> ( PIXEL_BITS * 2 + 1 - 8 ) );
1242 if ( coverage < 0 )
1243 coverage = -coverage;
1247 coverage &= 511;
1249 if ( coverage > 256 )
1250 coverage = 512 - coverage;
1251 else if ( coverage == 256 )
1252 coverage = 255;
1257 if ( coverage >= 256 )
1258 coverage = 255;
1272 if ( coverage )
1280 span->coverage == coverage )
1303 span->x, span->x + span->len - 1, span->coverage ));
1321 span->coverage = (unsigned char)coverage;