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[raster] Make `band_top' local variable.

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* src/raster/ftraster.c (black_TWorker): Move `band_top' from here...
(Render_Single_Pass): ... to here, and refactor.
(Render_Glyph): Updated.
This commit is contained in:
Alexei Podtelezhnikov 2021-06-26 08:49:20 -04:00
parent f6370e2f05
commit fb4511eb9a
2 changed files with 20 additions and 18 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2021-06-25 Alexei Podtelezhnikov <apodtele@gmail.com>
[raster] Make `band_top' local variable.
* src/raster/ftraster.c (black_TWorker): Move `band_top' from here...
(Render_Single_Pass): ... to here, and refactor.
(Render_Glyph): Updated.
2021-06-25 Alexei Podtelezhnikov <apodtele@gmail.com>
[raster] Adjust sub-band bisecting limits.

30
src/raster/ftraster.c
View File

@ -529,7 +529,6 @@
black_TBand band_stack[16]; /* band stack used for sub-banding */
/* enough for signed short bands */
Int band_top; /* band stack top */
};
@ -3034,12 +3033,13 @@
Render_Single_Pass( RAS_ARGS Bool flipped )
{
Short i, j, k;
Int band_top = 0;
while ( ras.band_top >= 0 )
do
{
ras.maxY = (Long)ras.band_stack[ras.band_top].y_max * ras.precision;
ras.minY = (Long)ras.band_stack[ras.band_top].y_min * ras.precision;
ras.maxY = (Long)ras.band_stack[band_top].y_max * ras.precision;
ras.minY = (Long)ras.band_stack[band_top].y_min * ras.precision;
ras.top = ras.buff;
@ -3052,33 +3052,29 @@
/* sub-banding */
i = ras.band_stack[ras.band_top].y_min;
j = ras.band_stack[ras.band_top].y_max;
i = ras.band_stack[band_top].y_min;
j = ras.band_stack[band_top].y_max;
if ( i == j )
{
ras.band_top = 0;
return ras.error; /* still Raster_Overflow */
}
k = (Short)( ( i + j ) / 2 );
ras.band_stack[ras.band_top + 1].y_min = (Short)( k + 1 );
ras.band_stack[ras.band_top + 1].y_max = j;
ras.band_stack[band_top].y_max = k;
ras.band_stack[ras.band_top].y_max = k;
ras.band_stack[band_top + 1].y_min = (Short)( k + 1 );
ras.band_stack[band_top + 1].y_max = j;
ras.band_top++;
band_top++;
}
else
{
if ( ras.fProfile )
if ( Draw_Sweep( RAS_VAR ) )
return ras.error;
ras.band_top--;
band_top--;
}
}
} while ( band_top >= 0 );
return Raster_Err_Ok;
}
@ -3128,7 +3124,6 @@
ras.Proc_Sweep_Drop = Vertical_Sweep_Drop;
ras.Proc_Sweep_Step = Vertical_Sweep_Step;
ras.band_top = 0;
ras.band_stack[0].y_min = 0;
ras.band_stack[0].y_max = (Short)( ras.target.rows - 1 );
@ -3151,7 +3146,6 @@
ras.Proc_Sweep_Drop = Horizontal_Sweep_Drop;
ras.Proc_Sweep_Step = Horizontal_Sweep_Step;
ras.band_top = 0;
ras.band_stack[0].y_min = 0;
ras.band_stack[0].y_max = (Short)( ras.target.width - 1 );