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[freetype2] master 749b8f9d3: * src/raster/ftraster.c: Improve tracing.
From: |
Werner Lemberg |
Subject: |
[freetype2] master 749b8f9d3: * src/raster/ftraster.c: Improve tracing. |
Date: |
Sat, 14 Oct 2023 22:49:26 -0400 (EDT) |
branch: master
commit 749b8f9d344105357b82766f8c555586a4b84e7c
Author: Alexei Podtelezhnikov <apodtele@gmail.com>
Commit: Alexei Podtelezhnikov <apodtele@gmail.com>
* src/raster/ftraster.c: Improve tracing.
---
src/raster/ftraster.c | 44 +++++++++++++++++++++-----------------------
1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/src/raster/ftraster.c b/src/raster/ftraster.c
index d39d52a7b..55a24d73e 100644
--- a/src/raster/ftraster.c
+++ b/src/raster/ftraster.c
@@ -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;
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