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Add macros for checking whether a font variation is active.

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* include/freetype/freetype.h (FT_FACE_FLAG_VARIATION,
FT_IS_VARIATION): New macros.
No effect yet.
GSoC-2017-kushal
Werner Lemberg 7 years ago
parent e23fe2adbc
commit b3f9c4f2f6
2 changed files with 39 additions and 2 deletions
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  1. 8
      ChangeLog
  2. 33
      include/freetype/freetype.h

8
ChangeLog
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@ -1,3 +1,11 @@
2017-10-07 Werner Lemberg <wl@gnu.org>
Add macros for checking whether a font variation is active.
* include/freetype/freetype.h (FT_FACE_FLAG_VARIATION,
FT_IS_VARIATION): New macros.
No effect yet.
2017-10-07 Werner Lemberg <wl@gnu.org>
Add framework for setting named instance in MM service.

33
include/freetype/freetype.h
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@ -138,6 +138,7 @@ FT_BEGIN_HEADER
/* FT_FACE_FLAG_TRICKY */
/* FT_FACE_FLAG_KERNING */
/* FT_FACE_FLAG_MULTIPLE_MASTERS */
/* FT_FACE_FLAG_VARIATION */
/* FT_FACE_FLAG_GLYPH_NAMES */
/* FT_FACE_FLAG_EXTERNAL_STREAM */
/* FT_FACE_FLAG_HINTER */
@ -147,14 +148,16 @@ FT_BEGIN_HEADER
/* FT_HAS_KERNING */
/* FT_HAS_FIXED_SIZES */
/* FT_HAS_GLYPH_NAMES */
/* FT_HAS_MULTIPLE_MASTERS */
/* FT_HAS_COLOR */
/* FT_HAS_MULTIPLE_MASTERS */
/* */
/* FT_IS_SFNT */
/* FT_IS_SCALABLE */
/* FT_IS_FIXED_WIDTH */
/* FT_IS_CID_KEYED */
/* FT_IS_TRICKY */
/* FT_IS_NAMED_INSTANCE */
/* FT_IS_VARIATION */
/* */
/* FT_STYLE_FLAG_BOLD */
/* FT_STYLE_FLAG_ITALIC */
@ -909,7 +912,7 @@ FT_BEGIN_HEADER
/* flags indicating the style of the face; see */
/* @FT_STYLE_FLAG_XXX for the details. */
/* */
/* [Since 2.6.1] Bits 16-30 hold the number */
/* [Since 2.6.1] Bits 16-30 hold the number */
/* of named instances available for the */
/* current face if we have a GX or OpenType */
/* variation (sub)font. Bit 31 is always zero */
@ -1216,6 +1219,13 @@ FT_BEGIN_HEADER
/* [Since 2.5.1] The face has color glyph tables. To access color */
/* glyphs use @FT_LOAD_COLOR. */
/* */
/* FT_FACE_FLAG_VARIATION :: */
/* [Since 2.8.2] Set if the current face (or named instance) has */
/* been altered with @FT_Set_MM_Design_Coordinates, */
/* @FT_Set_Var_Design_Coordinates, or */
/* @FT_Set_Var_Blend_Coordinates. This flag is unset by a call to */
/* @FT_Set_Named_Instance. */
/* */
#define FT_FACE_FLAG_SCALABLE ( 1L << 0 )
#define FT_FACE_FLAG_FIXED_SIZES ( 1L << 1 )
#define FT_FACE_FLAG_FIXED_WIDTH ( 1L << 2 )
@ -1231,6 +1241,7 @@ FT_BEGIN_HEADER
#define FT_FACE_FLAG_CID_KEYED ( 1L << 12 )
#define FT_FACE_FLAG_TRICKY ( 1L << 13 )
#define FT_FACE_FLAG_COLOR ( 1L << 14 )
#define FT_FACE_FLAG_VARIATION ( 1L << 15 )
/*************************************************************************
@ -1400,6 +1411,24 @@ FT_BEGIN_HEADER
( (face)->face_index & 0x7FFF0000L )
/*************************************************************************
*
* @macro:
* FT_IS_VARIATION( face )
*
* @description:
* A macro that returns true whenever a face object has been altered
* by @FT_Set_MM_Design_Coordinates, @FT_Set_Var_Design_Coordinates, or
* @FT_Set_Var_Blend_Coordinates.
*
* @since:
* 2.8.2
*
*/
#define FT_IS_VARIATION( face ) \
( (face)->face_flags & FT_FACE_FLAG_VARIATION )
/*************************************************************************
*
* @macro:

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