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-rw-r--r--src/3rdparty/freetype/src/base/ftsynth.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/src/3rdparty/freetype/src/base/ftsynth.c b/src/3rdparty/freetype/src/base/ftsynth.c
index 10bbe0dfda..6ec25e13e4 100644
--- a/src/3rdparty/freetype/src/base/ftsynth.c
+++ b/src/3rdparty/freetype/src/base/ftsynth.c
@@ -4,7 +4,7 @@
*
* FreeType synthesizing code for emboldening and slanting (body).
*
- * Copyright (C) 2000-2022 by
+ * Copyright (C) 2000-2023 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
@@ -46,6 +46,18 @@
FT_EXPORT_DEF( void )
FT_GlyphSlot_Oblique( FT_GlyphSlot slot )
{
+ /* Value '0x0366A' corresponds to a shear angle of about 12 degrees. */
+ FT_GlyphSlot_Slant( slot, 0x0366A, 0 );
+ }
+
+
+ /* documentation is in ftsynth.h */
+
+ FT_EXPORT_DEF( void )
+ FT_GlyphSlot_Slant( FT_GlyphSlot slot,
+ FT_Fixed xslant,
+ FT_Fixed yslant )
+ {
FT_Matrix transform;
FT_Outline* outline;
@@ -61,13 +73,11 @@
/* we don't touch the advance width */
- /* For italic, simply apply a shear transform, with an angle */
- /* of about 12 degrees. */
-
+ /* For italic, simply apply a shear transform */
transform.xx = 0x10000L;
- transform.yx = 0x00000L;
+ transform.yx = -yslant;
- transform.xy = 0x0366AL;
+ transform.xy = xslant;
transform.yy = 0x10000L;
FT_Outline_Transform( outline, &transform );