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Code Issues 9 Releases Wiki Activity

* src/smooth/ftgrays.c (gray_sweep): Improve code.

This commit is contained in:
Alexei Podtelezhnikov 2017-02-12 23:07:29 -05:00
parent faa3c88254
commit fcd47b3d3e
2 changed files with 10 additions and 13 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2017-02-12 Alexei Podtelezhnikov <apodtele@gmail.com>
* src/smooth/ftgrays.c (gray_sweep): Improve code.
2017-02-06 Werner Lemberg <wl@gnu.org>
[truetype] Implement `VVAR' table support.

19
src/smooth/ftgrays.c
View File

@ -568,9 +568,6 @@ typedef ptrdiff_t FT_PtrDist;
/* Note that if a cell is to the left of the clipping region, it is */
/* actually set to the (min_ex-1) horizontal position. */
/* All cells that are on the left of the clipping region go to the */
/* min_ex - 1 horizontal position. */
if ( ex < ras.min_ex )
ex = ras.min_ex - 1;
@ -1304,21 +1301,18 @@ typedef ptrdiff_t FT_PtrDist;
for ( y = ras.min_ey; y < ras.max_ey; y++ )
{
PCell cell = ras.ycells[y - ras.min_ey];
TCoord cover = 0;
TCoord x = ras.min_ex;
TArea cover = 0;
TArea area;
for ( ; cell != NULL; cell = cell->next )
{
TArea area;
if ( cover != 0 && cell->x > x )
gray_hline( RAS_VAR_ x, y, (TArea)cover * ( ONE_PIXEL * 2 ),
cell->x - x );
gray_hline( RAS_VAR_ x, y, cover, cell->x - x );
cover += cell->cover;
area = (TArea)cover * ( ONE_PIXEL * 2 ) - cell->area;
cover += (TArea)cell->cover * ( ONE_PIXEL * 2 );
area = cover - cell->area;
if ( area != 0 && cell->x >= ras.min_ex )
gray_hline( RAS_VAR_ cell->x, y, area, 1 );
@ -1327,8 +1321,7 @@ typedef ptrdiff_t FT_PtrDist;
}
if ( cover != 0 )
gray_hline( RAS_VAR_ x, y, (TArea)cover * ( ONE_PIXEL * 2 ),
ras.max_ex - x );
gray_hline( RAS_VAR_ x, y, cover, ras.max_ex - x );
}
FT_TRACE7(( "gray_sweep: end\n" ));