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* src/raster/ftraster.c (Insert_Y_Turn): Improve flow.

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This commit is contained in:
Alexei Podtelezhnikov 2023-10-22 08:13:35 -04:00
parent fab53f7b1f
commit 09ae6eb677
1 changed files with 15 additions and 19 deletions
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34
src/raster/ftraster.c
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@ -609,29 +609,16 @@
static Bool
Insert_Y_Turn( RAS_ARGS Int y )
{
PLong y_turns;
Int n;
Int n = ras.numTurns;
PLong y_turns = ras.maxBuff;
n = ras.numTurns - 1;
y_turns = ras.sizeBuff - ras.numTurns;
/* look for first y value that is <= */
while ( n >= 0 && y < y_turns[n] )
n--;
while ( n-- && y < y_turns[n] )
;
/* if it is <, simply insert it, ignore if == */
if ( n >= 0 && y > y_turns[n] )
do
{
Int y2 = (Int)y_turns[n];
y_turns[n] = y;
y = y2;
} while ( --n >= 0 );
if ( n < 0 )
if ( n < 0 || y > y_turns[n] )
{
ras.maxBuff--;
if ( ras.maxBuff <= ras.top )
@ -639,8 +626,17 @@
ras.error = FT_THROW( Raster_Overflow );
return FAILURE;
}
do
{
Int y2 = (Int)y_turns[n];
y_turns[n] = y;
y = y2;
} while ( n-- >= 0 );
ras.numTurns++;
ras.sizeBuff[-ras.numTurns] = y;
}
return SUCCESS;