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-rw-r--r--src/3rdparty/freetype/src/cff/cffgload.c92
1 files changed, 85 insertions, 7 deletions
diff --git a/src/3rdparty/freetype/src/cff/cffgload.c b/src/3rdparty/freetype/src/cff/cffgload.c
index feee38a413..7586b886f1 100644
--- a/src/3rdparty/freetype/src/cff/cffgload.c
+++ b/src/3rdparty/freetype/src/cff/cffgload.c
@@ -4,7 +4,7 @@
*
* OpenType Glyph Loader (body).
*
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2022 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
@@ -29,6 +29,14 @@
#include "cfferrs.h"
+#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
+#define IS_DEFAULT_INSTANCE( _face ) \
+ ( !( FT_IS_NAMED_INSTANCE( _face ) || \
+ FT_IS_VARIATION( _face ) ) )
+#else
+#define IS_DEFAULT_INSTANCE( _face ) 1
+#endif
+
/**************************************************************************
*
@@ -59,7 +67,7 @@
*pointer = (FT_Byte*)data.pointer;
- *length = (FT_ULong)data.length;
+ *length = data.length;
return error;
}
@@ -67,7 +75,7 @@
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
{
- CFF_Font cff = (CFF_Font)(face->extra.data);
+ CFF_Font cff = (CFF_Font)( face->extra.data );
return cff_index_access_element( &cff->charstrings_index, glyph_index,
@@ -94,7 +102,7 @@
data.pointer = *pointer;
- data.length = (FT_Int)length;
+ data.length = (FT_UInt)length;
face->root.internal->incremental_interface->funcs->free_glyph_data(
face->root.internal->incremental_interface->object, &data );
@@ -103,7 +111,7 @@
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
{
- CFF_Font cff = (CFF_Font)(face->extra.data);
+ CFF_Font cff = (CFF_Font)( face->extra.data );
cff_index_forget_element( &cff->charstrings_index, pointer );
@@ -255,8 +263,8 @@
if ( size->strike_index != 0xFFFFFFFFUL &&
- sfnt->load_eblc &&
- ( load_flags & FT_LOAD_NO_BITMAP ) == 0 )
+ ( load_flags & FT_LOAD_NO_BITMAP ) == 0 &&
+ IS_DEFAULT_INSTANCE( size->root.face ) )
{
TT_SBit_MetricsRec metrics;
@@ -346,6 +354,76 @@
if ( load_flags & FT_LOAD_SBITS_ONLY )
return FT_THROW( Invalid_Argument );
+#ifdef FT_CONFIG_OPTION_SVG
+ /* check for OT-SVG */
+ if ( ( load_flags & FT_LOAD_COLOR ) &&
+ ( (TT_Face)glyph->root.face )->svg )
+ {
+ /*
+ * We load the SVG document and try to grab the advances from the
+ * table. For the bearings we rely on the presetting hook to do that.
+ */
+
+ FT_Short dummy;
+ FT_UShort advanceX;
+ FT_UShort advanceY;
+ SFNT_Service sfnt;
+
+
+ if ( size && (size->root.metrics.x_ppem < 1 ||
+ size->root.metrics.y_ppem < 1 ) )
+ {
+ error = FT_THROW( Invalid_Size_Handle );
+ return error;
+ }
+
+ FT_TRACE3(( "Trying to load SVG glyph\n" ));
+
+ sfnt = (SFNT_Service)((TT_Face)glyph->root.face)->sfnt;
+ error = sfnt->load_svg_doc( (FT_GlyphSlot)glyph, glyph_index );
+ if ( !error )
+ {
+ FT_TRACE3(( "Successfully loaded SVG glyph\n" ));
+
+ glyph->root.format = FT_GLYPH_FORMAT_SVG;
+
+ /*
+ * If horizontal or vertical advances are not present in the table,
+ * this is a problem with the font since the standard requires them.
+ * However, we are graceful and calculate the values by ourselves
+ * for the vertical case.
+ */
+ sfnt->get_metrics( face,
+ FALSE,
+ glyph_index,
+ &dummy,
+ &advanceX );
+ sfnt->get_metrics( face,
+ TRUE,
+ glyph_index,
+ &dummy,
+ &advanceY );
+
+ advanceX =
+ (FT_UShort)FT_MulDiv( advanceX,
+ glyph->root.face->size->metrics.x_ppem,
+ glyph->root.face->units_per_EM );
+ advanceY =
+ (FT_UShort)FT_MulDiv( advanceY,
+ glyph->root.face->size->metrics.y_ppem,
+ glyph->root.face->units_per_EM );
+
+ glyph->root.metrics.horiAdvance = advanceX << 6;
+ glyph->root.metrics.vertAdvance = advanceY << 6;
+
+ return error;
+ }
+
+ FT_TRACE3(( "Failed to load SVG glyph\n" ));
+ }
+
+#endif /* FT_CONFIG_OPTION_SVG */
+
/* if we have a CID subfont, use its matrix (which has already */
/* been multiplied with the root matrix) */