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Adding some comments.

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BRANCH-2-1-5
Werner Lemberg 23 years ago
parent b4816762c3
commit 2179bf347c
4 changed files with 23 additions and 2 deletions
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  1. 8
      include/freetype/freetype.h
  2. 9
      include/freetype/ftimage.h
  3. 4
      include/freetype/fttypes.h
  4. 4
      src/sfnt/ttload.c

8
include/freetype/freetype.h
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@ -398,6 +398,14 @@ FT_BEGIN_HEADER
/* This macro converts four letter tags into an unsigned long. It is */
/* used to define "encoding" identifiers (see @FT_Encoding). */
/* */
/* <Note> */
/* Since many 16bit compilers don't like 32bit enumerations, you */
/* should redefine this macro in case of problems to something like */
/* this: */
/* */
/* #define FT_ENC_TAG( value, _x1, _x2, _x3, _x4 ) (value) */
/* */
/* to get a simple enumeration without assigning special numbers. */
/* */
#ifndef FT_ENC_TAG
#define FT_ENC_TAG( value, _x1, _x2, _x3, _x4 ) \

9
include/freetype/ftimage.h
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@ -580,6 +580,15 @@ FT_BEGIN_HEADER
/* <Description> */
/* This macro converts four letter tags into an unsigned long. */
/* */
/* <Note> */
/* Since many 16bit compilers don't like 32bit enumerations, you */
/* should redefine this macro in case of problems to something like */
/* this: */
/* */
/* #define FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) (value) */
/* */
/* to get a simple enumeration without assigning special numbers. */
/* */
#ifndef FT_IMAGE_TAG
#define FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) \
value = ( ( (unsigned long)_x1 << 24 ) | \

4
include/freetype/fttypes.h
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@ -440,6 +440,10 @@ FT_BEGIN_HEADER
/* This macro converts four letter tags which are used to label */
/* TrueType tables into an unsigned long to be used within FreeType. */
/* */
/* <Note> */
/* The produced values *must* be 32bit integers. Don't redefine this */
/* macro. */
/* */
#define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (FT_ULong)_x1 << 24 ) | \
( (FT_ULong)_x2 << 16 ) | \

4
src/sfnt/ttload.c
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@ -159,8 +159,8 @@
FT_Error error;
FT_UInt nn, has_head = 0;
const FT_ULong glyx_tag = FT_MAKE_TAG('g','l','y','x');
const FT_ULong locx_tag = FT_MAKE_TAG('l','o','c','x');
const FT_ULong glyx_tag = FT_MAKE_TAG( 'g', 'l', 'y', 'x' );
const FT_ULong locx_tag = FT_MAKE_TAG( 'l', 'o', 'c', 'x' );
static const FT_Frame_Field sfnt_dir_entry_fields[] =
{

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