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Add FT_FACE_FLAG_COLOR and FT_HAS_COLOR. 

Also disambiguate Google's color bitmap tables.

* include/freetype/freetype.h (FT_FACE_FLAG_COLOR, FT_HAS_COLOR):
New macros.

* include/freetype/internal/tttypes.h (TT_SbitTableType): Add
TT_SBIT_TABLE_TYPE_CBLC.

* src/sfnt/sfobjs.c (sfnt_load_face): Handle FT_FACE_FLAG_COLOR.

* src/sfnt/ttsbit.c (tt_face_load_sbit,
tt_face_load_strike_metrics, tt_face_load_sbit_image): Handle
TT_SBIT_TABLE_TYPE_CBLC.
This commit is contained in:
Behdad Esfahbod 2013-07-25 21:53:18 +02:00 committed by Werner Lemberg
parent b4725cb716
commit 21c32b08d5
5 changed files with 58 additions and 8 deletions
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18
ChangeLog
View File

@ -1,3 +1,21 @@
2013-07-25 Behdad Esfahbod <behdad@google.com>
Add FT_FACE_FLAG_COLOR and FT_HAS_COLOR.
Also disambiguate Google's color bitmap tables.
* include/freetype/freetype.h (FT_FACE_FLAG_COLOR, FT_HAS_COLOR):
New macros.
* include/freetype/internal/tttypes.h (TT_SbitTableType): Add
TT_SBIT_TABLE_TYPE_CBLC.
* src/sfnt/sfobjs.c (sfnt_load_face): Handle FT_FACE_FLAG_COLOR.
* src/sfnt/ttsbit.c (tt_face_load_sbit,
tt_face_load_strike_metrics, tt_face_load_sbit_image): Handle
TT_SBIT_TABLE_TYPE_CBLC.
2013-07-24 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
[sfnt] Fix for `make multi' target.

22
include/freetype/freetype.h
View File

@ -98,7 +98,10 @@ FT_BEGIN_HEADER
/* FT_FACE_FLAG_FIXED_WIDTH */
/* FT_FACE_FLAG_HORIZONTAL */
/* FT_FACE_FLAG_VERTICAL */
/* FT_FACE_FLAG_COLOR */
/* FT_FACE_FLAG_SFNT */
/* FT_FACE_FLAG_CID_KEYED */
/* FT_FACE_FLAG_TRICKY */
/* FT_FACE_FLAG_KERNING */
/* FT_FACE_FLAG_MULTIPLE_MASTERS */
/* FT_FACE_FLAG_GLYPH_NAMES */
@ -1076,6 +1079,10 @@ FT_BEGIN_HEADER
/* Currently, there are about a dozen TrueType fonts in the list of */
/* tricky fonts; they are hard-coded in file `ttobjs.c'. */
/* */
/* FT_FACE_FLAG_COLOR :: */
/* Set if the font has color glyph tables. To access color glyphs */
/* use @FT_LOAD_COLOR. */
/* */
#define FT_FACE_FLAG_SCALABLE ( 1L << 0 )
#define FT_FACE_FLAG_FIXED_SIZES ( 1L << 1 )
#define FT_FACE_FLAG_FIXED_WIDTH ( 1L << 2 )
@ -1090,6 +1097,7 @@ FT_BEGIN_HEADER
#define FT_FACE_FLAG_HINTER ( 1L << 11 )
#define FT_FACE_FLAG_CID_KEYED ( 1L << 12 )
#define FT_FACE_FLAG_TRICKY ( 1L << 13 )
#define FT_FACE_FLAG_COLOR ( 1L << 14 )
/*************************************************************************
@ -1274,6 +1282,20 @@ FT_BEGIN_HEADER
( face->face_flags & FT_FACE_FLAG_TRICKY )
/*************************************************************************
*
* @macro:
* FT_HAS_COLOR( face )
*
* @description:
* A macro that returns true whenever a face object contains
* tables for color glyphs.
*
*/
#define FT_HAS_COLOR( face ) \
( face->face_flags & FT_FACE_FLAG_COLOR )
/*************************************************************************/
/* */
/* <Const> */

4
include/freetype/internal/tttypes.h
View File

@ -983,8 +983,8 @@ FT_BEGIN_HEADER
{
TT_SBIT_TABLE_TYPE_NONE = 0,
TT_SBIT_TABLE_TYPE_EBLC, /* `EBLC' (Microsoft), */
/* `bloc' (Apple), or */
/* `CBLC' (Google) */
/* `bloc' (Apple) */
TT_SBIT_TABLE_TYPE_CBLC, /* `CBLC' (Google) */
TT_SBIT_TABLE_TYPE_SBIX, /* `sbix' (Apple) */
/* do not remove */

4
src/sfnt/sfobjs.c
View File

@ -812,6 +812,10 @@
/* */
/* Compute face flags. */
/* */
if ( face->sbit_table_type == TT_SBIT_TABLE_TYPE_CBLC ||
face->sbit_table_type == TT_SBIT_TABLE_TYPE_SBIX )
flags |= FT_FACE_FLAG_COLOR; /* color glyphs */
if ( has_outline == TRUE )
flags |= FT_FACE_FLAG_SCALABLE; /* scalable outlines */

18
src/sfnt/ttsbit.c
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@ -55,14 +55,17 @@
face->sbit_table_type = TT_SBIT_TABLE_TYPE_NONE;
face->sbit_num_strikes = 0;
/* this table is optional */
error = face->goto_table( face, TTAG_CBLC, stream, &table_size );
if ( error )
error = face->goto_table( face, TTAG_EBLC, stream, &table_size );
if ( error )
error = face->goto_table( face, TTAG_bloc, stream, &table_size );
if ( !error )
face->sbit_table_type = TT_SBIT_TABLE_TYPE_EBLC;
face->sbit_table_type = TT_SBIT_TABLE_TYPE_CBLC;
else
{
error = face->goto_table( face, TTAG_EBLC, stream, &table_size );
if ( error )
error = face->goto_table( face, TTAG_bloc, stream, &table_size );
if ( !error )
face->sbit_table_type = TT_SBIT_TABLE_TYPE_EBLC;
}
if ( error )
{
@ -83,6 +86,7 @@
switch ( (FT_UInt)face->sbit_table_type )
{
case TT_SBIT_TABLE_TYPE_EBLC:
case TT_SBIT_TABLE_TYPE_CBLC:
{
FT_Byte* p;
FT_Fixed version;
@ -227,6 +231,7 @@
switch ( (FT_UInt)face->sbit_table_type )
{
case TT_SBIT_TABLE_TYPE_EBLC:
case TT_SBIT_TABLE_TYPE_CBLC:
{
FT_Byte* strike;
@ -1343,6 +1348,7 @@
switch ( (FT_UInt)face->sbit_table_type )
{
case TT_SBIT_TABLE_TYPE_EBLC:
case TT_SBIT_TABLE_TYPE_CBLC:
{
TT_SBitDecoderRec decoder[1];