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Code Issues 4 Releases Wiki Activity

* src/raster/ftraster.c: Improve tracing.

This commit is contained in:
Alexei Podtelezhnikov 2023-10-14 22:28:06 -04:00
parent 153c038e3c
commit 749b8f9d34
1 changed files with 21 additions and 23 deletions
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44
src/raster/ftraster.c
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@ -441,8 +441,7 @@
(Bool)( x - FLOOR( x ) >= ras.precision_half )
/* Smart dropout rounding to find which pixel is closer to span ends. */
/* To mimick Windows, symmetric cases break down indepenently of the */
/* precision. */
/* To mimic Windows, symmetric cases do not depend on the precision. */
#define SMART( p, q ) FLOOR( ( (p) + (q) + ras.precision * 63 / 64 ) >> 1 )
#if FT_RENDER_POOL_SIZE > 2048
@ -586,8 +585,6 @@
ras.precision_jitter = 2;
}
FT_TRACE6(( "Set_High_Precision(%s)\n", High ? "true" : "false" ));
ras.precision = 1 << ras.precision_bits;
ras.precision_half = ras.precision >> 1;
ras.precision_scale = ras.precision >> Pixel_Bits;
@ -716,7 +713,7 @@
ras.cProfile->flags |= Overshoot_Bottom;
}
/* premature, the last profile in the controur must loop */
/* premature, the last profile in the contour must loop */
ras.cProfile->next = (PProfile)ras.top;
ras.num_Profs++;
@ -2198,12 +2195,10 @@
FT_UNUSED( right );
/* in high-precision mode, we need 12 digits after the comma to */
/* represent multiples of 1/(1<<12) = 1/4096 */
FT_TRACE7(( " y=%d x=[% .12f;% .12f]",
FT_TRACE7(( " y=%d x=[% .*f;% .*f]",
y,
(double)x1 / (double)ras.precision,
(double)x2 / (double)ras.precision ));
ras.precision_bits, (double)x1 / (double)ras.precision,
ras.precision_bits, (double)x2 / (double)ras.precision ));
/* Drop-out control */
@ -2275,10 +2270,10 @@
Short c1, f1;
FT_TRACE7(( " y=%d x=[% .12f;% .12f]",
FT_TRACE7(( " y=%d x=[% .*f;% .*f]",
y,
(double)x1 / (double)ras.precision,
(double)x2 / (double)ras.precision ));
ras.precision_bits, (double)x1 / (double)ras.precision,
ras.precision_bits, (double)x2 / (double)ras.precision ));
/* Drop-out control */
@ -2458,10 +2453,10 @@
FT_UNUSED( right );
FT_TRACE7(( " x=%d y=[% .12f;% .12f]",
FT_TRACE7(( " x=%d y=[% .*f;% .*f]",
y,
(double)x1 / (double)ras.precision,
(double)x2 / (double)ras.precision ));
ras.precision_bits, (double)x1 / (double)ras.precision,
ras.precision_bits, (double)x2 / (double)ras.precision ));
/* We should not need this procedure but the vertical sweep */
/* mishandles horizontal lines through pixel centers. So we */
@ -2529,10 +2524,10 @@
Byte f1;
FT_TRACE7(( " x=%d y=[% .12f;% .12f]",
FT_TRACE7(( " x=%d y=[% .*f;% .*f]",
y,
(double)x1 / (double)ras.precision,
(double)x2 / (double)ras.precision ));
ras.precision_bits, (double)x1 / (double)ras.precision,
ras.precision_bits, (double)x2 / (double)ras.precision ));
/* During the horizontal sweep, we only take care of drop-outs */
@ -3004,6 +2999,10 @@
Int band_stack[32]; /* enough to bisect 32-bit int bands */
FT_TRACE6(( "%s pass [%d..%d]\n",
flipped ? "Horizontal" : "Vertical",
y_min, y_max ));
while ( 1 )
{
ras.minY = (Long)y_min * ras.precision;
@ -3084,9 +3083,10 @@
ras.dropOutControl += 1;
}
/* Vertical Sweep */
FT_TRACE6(( "Vertical pass (ftraster)\n" ));
FT_TRACE6(( "BW Raster: precision 1/%d, dropout mode %d\n",
ras.precision, ras.dropOutControl ));
/* Vertical Sweep */
ras.Proc_Sweep_Init = Vertical_Sweep_Init;
ras.Proc_Sweep_Span = Vertical_Sweep_Span;
ras.Proc_Sweep_Drop = Vertical_Sweep_Drop;
@ -3105,8 +3105,6 @@
/* Horizontal Sweep */
if ( !( ras.outline.flags & FT_OUTLINE_SINGLE_PASS ) )
{
FT_TRACE6(( "Horizontal pass (ftraster)\n" ));
ras.Proc_Sweep_Init = Horizontal_Sweep_Init;
ras.Proc_Sweep_Span = Horizontal_Sweep_Span;
ras.Proc_Sweep_Drop = Horizontal_Sweep_Drop;