Hi,
This patch fixes some bugs in emboldening.
The `strength' in FT_Outline_Embolden is halved so that, for example, a
vertical bar of width W will be, after emboldening, of width "W +
strength". And now it works as the documentation says.
--
Regards,
olv
* src/base/ftoutln.c (FT_Outline_Embolden): Strength should be halved.
* src/base/ftsynth.c (FT_GlyphSlot_Embolden): Change the default strength.
Don't increase slot->advance.y.
=== src/base/ftoutln.c
==================================================================
--- src/base/ftoutln.c (revision 976)
+++ src/base/ftoutln.c (local)
@@ -683,6 +683,7 @@
if ( !outline )
return FT_Err_Invalid_Argument;
+ strength /= 2;
if ( strength == 0 )
return FT_Err_Ok;
=== src/base/ftsynth.c
==================================================================
--- src/base/ftsynth.c (revision 976)
+++ src/base/ftsynth.c (local)
@@ -81,7 +81,7 @@
/* some reasonable strength */
xstr = FT_MulFix( face->units_per_EM,
- face->size->metrics.y_scale ) / 42;
+ face->size->metrics.y_scale ) / 24;
ystr = xstr;
if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
@@ -122,8 +122,8 @@
/* modify the metrics accordingly */
if ( !error )
{
+ /* assume the layout is horizontal */
slot->advance.x += xstr;
- slot->advance.y += ystr;
slot->metrics.width += xstr;
slot->metrics.height += ystr;
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