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Fix Savannah bug #28905.

Browse Source 
Initialize phantom points before calling the incremental interface
to update glyph metrics.

* src/truetype/ttgload.c (tt_get_metrics_incr_overrides)
[FT_CONFIG_OPTION_INCREMENTAL]: New function, split off from...
(tt_get_metrics): This.
Updated.
(load_truetype_glyph): Use tt_get_metrics_incr_overrides.
This commit is contained in:
Chris Liddell 2010-02-18 17:09:30 +01:00 committed by Werner Lemberg
parent a546af7684
commit 10cf388795
2 changed files with 64 additions and 16 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2010-02-18 Chris Liddell <chris.liddell@artifex.com>
Fix Savannah bug #28905.
Initialize phantom points before calling the incremental interface
to update glyph metrics.
* src/truetype/ttgload.c (tt_get_metrics_incr_overrides)
[FT_CONFIG_OPTION_INCREMENTAL]: New function, split off from...
(tt_get_metrics): This.
Updated.
(load_truetype_glyph): Use tt_get_metrics_incr_overrides.
2010-02-13 Werner Lemberg <wl@gnu.org>
* Version 2.3.12 released.

67
src/truetype/ttgload.c
View File

@ -161,8 +161,31 @@
&top_bearing,
&advance_height );
loader->left_bearing = left_bearing;
loader->advance = advance_width;
loader->top_bearing = top_bearing;
loader->vadvance = advance_height;
if ( !loader->linear_def )
{
loader->linear_def = 1;
loader->linear = advance_width;
}
}
#ifdef FT_CONFIG_OPTION_INCREMENTAL
static void
tt_get_metrics_incr_overrides( TT_Loader loader,
FT_UInt glyph_index )
{
TT_Face face = (TT_Face)loader->face;
FT_Short left_bearing = 0, top_bearing = 0;
FT_UShort advance_width = 0, advance_height = 0;
/* If this is an incrementally loaded font check whether there are */
/* overriding metrics for this glyph. */
if ( face->root.internal->incremental_interface &&
@ -172,9 +195,9 @@
FT_Error error;
metrics.bearing_x = left_bearing;
metrics.bearing_x = loader->left_bearing;
metrics.bearing_y = 0;
metrics.advance = advance_width;
metrics.advance = loader->advance;
metrics.advance_v = 0;
error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
@ -190,8 +213,8 @@
/* GWW: Do I do the same for vertical metrics? */
metrics.bearing_x = 0;
metrics.bearing_y = top_bearing;
metrics.advance = advance_height;
metrics.bearing_y = loader->top_bearing;
metrics.advance = loader->vadvance;
error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
face->root.internal->incremental_interface->object,
@ -204,24 +227,24 @@
#endif /* 0 */
loader->left_bearing = left_bearing;
loader->advance = advance_width;
loader->top_bearing = top_bearing;
loader->vadvance = advance_height;
if ( !loader->linear_def )
{
loader->linear_def = 1;
loader->linear = advance_width;
}
}
Exit:
return;
}
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
loader->left_bearing = left_bearing;
loader->advance = advance_width;
loader->top_bearing = top_bearing;
loader->vadvance = advance_height;
if ( !loader->linear_def )
{
loader->linear_def = 1;
loader->linear = advance_width;
}
}
/*************************************************************************/
/* */
@ -1316,8 +1339,14 @@
if ( header_only )
goto Exit;
/* must initialize points before (possibly) overriding */
/* glyph metrics from the incremental interface */
TT_LOADER_SET_PP( loader );
#ifdef FT_CONFIG_OPTION_INCREMENTAL
tt_get_metrics_incr_overrides( loader, glyph_index );
#endif
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
if ( ((TT_Face)(loader->face))->doblend )
@ -1353,8 +1382,14 @@
goto Exit;
}
/* must initialize points before (possibly) overriding */
/* glyph metrics from the incremental interface */
TT_LOADER_SET_PP( loader );
#ifdef FT_CONFIG_OPTION_INCREMENTAL
tt_get_metrics_incr_overrides( loader, glyph_index );
#endif
/***********************************************************************/
/***********************************************************************/
/***********************************************************************/