[Git][freetype/freetype-demos][dev/wl/VF-info] 2 commits: [ftdump] Show more variation font info.

[Werner Lemberg (@wl)]

Werner Lemberg pushed to branch dev/wl/VF-info at FreeType / FreeType Demo Programs

Commits:

• 1082ccc3
  by Werner Lemberg at 2023-04-28T22:20:28+02:00

  [ftdump] Show more variation font info.
  
  * src/ftdump.c (Print_MM_Axes): Rename to...
  (Print_MM_Info): ...this.
  Show Variation Font PostScript name prefix.
  Show named instances.
  

• 4c9b8b35
  by Werner Lemberg at 2023-04-28T22:22:34+02:00

  * src/ftdump.c (Print_Sfnt_Tables): Insert spaces between bytes.
  

1 changed file:

• src/ftdump.c

Changes:

src/ftdump.c

---

...	...	@@ -560,7 +560,7 @@
560	560	else
561	561	continue;
562	562
563		- printf( " %2lu: %c%c%c%c %02X%02X%02X%02X...\n", i,
	563	+ printf( " %2lu: %c%c%c%c %02X %02X %02X %02X ...\n", i,
564	564	(FT_Char)( tag >> 24 ),
565	565	(FT_Char)( tag >> 16 ),
566	566	(FT_Char)( tag >> 8 ),
...	...	@@ -746,10 +746,11 @@
746	746
747	747
748	748	static void
749		- Print_MM_Axes( FT_Face face )
	749	+ Print_MM_Info( FT_Face face )
750	750	{
751	751	FT_MM_Var* mm;
752	752	FT_Multi_Master dummy;
	753	+ FT_SfntName name;
753	754	FT_UInt is_GX, i;
754	755
755	756
...	...	@@ -764,34 +765,134 @@
764	765	return;
765	766	}
766	767
767		- printf( "%s axes\n", is_GX ? "GX" : "MM" );
	768	+ printf( "%s info\n", is_GX ? "GX" : "MM" );
	769	+
	770	+ printf( " axes (%u)\n", mm->num_axis );
768	771
769	772	for ( i = 0; i < mm->num_axis; i++ )
770	773	{
771		- FT_SfntName name;
772		-
773		-
774	774	name.string = NULL;
775	775
776	776	if ( is_GX )
777	777	get_english_name_entry( face, mm->axis[i].strid, &name );
778	778
	779	+ printf( " %u: ", i );
779	780	if ( name.string )
780	781	{
781	782	if ( name.platform_id == TT_PLATFORM_MACINTOSH )
782		- put_ascii( name.string, name.string_len, 3 );
	783	+ put_ascii( name.string, name.string_len, 0 );
783	784	else
784		- put_unicode_be16( name.string, name.string_len, 3, utf8 );
	785	+ put_unicode_be16( name.string, name.string_len, 0, utf8 );
785	786	}
786	787	else
787		- printf( " %s", mm->axis[i].name );
	788	+ printf( "%s", mm->axis[i].name );
788	789
789		- printf( ": [%g;%g], default %g\n",
	790	+ printf( ", [%g;%g], default %g\n",
790	791	mm->axis[i].minimum / 65536.0,
791	792	mm->axis[i].maximum / 65536.0,
792	793	mm->axis[i].def / 65536.0 );
793	794	}
794	795
	796	+ if ( is_GX )
	797	+ {
	798	+ FT_Fixed* coords;
	799	+ const char* ps_name;
	800	+
	801	+ FT_Long instance_count;
	802	+ FT_UInt default_named_instance;
	803	+ FT_Var_Named_Style* named_styles;
	804	+
	805	+
	806	+ /* Show Variation PostScript Name Prefix. */
	807	+
	808	+ coords = (FT_Fixed*)malloc( mm->num_axis * sizeof ( FT_Fixed ) );
	809	+ if ( coords == NULL )
	810	+ return;
	811	+
	812	+ /* We temporarily activate variation font handling. Because we */
	813	+ /* use the default axes, the now retrieved PS name is identical */
	814	+ /* to the PS name prefix. */
	815	+ FT_Get_Var_Design_Coordinates( face, mm->num_axis, coords );
	816	+ FT_Set_Var_Design_Coordinates( face, mm->num_axis, coords );
	817	+
	818	+ ps_name = FT_Get_Postscript_Name( face );
	819	+ if ( ps_name == NULL )
	820	+ ps_name = "UNAVAILABLE";
	821	+
	822	+ printf( "\n"
	823	+ " VF PS name prefix: %s\n", ps_name );
	824	+
	825	+ /* Switch off variation font handling. */
	826	+ FT_Set_Var_Design_Coordinates( face, 0, NULL );
	827	+
	828	+ free( coords );
	829	+
	830	+
	831	+ /* Show named instances. */
	832	+
	833	+ instance_count = face->style_flags >> 16;
	834	+ named_styles = mm->namedstyle;
	835	+
	836	+ FT_Get_Default_Named_Instance( face, &default_named_instance );
	837	+ default_named_instance--; /* `named_styles` is a zero-based array */
	838	+
	839	+ printf( "\n" );
	840	+ printf( " named instances (%lu)\n", instance_count );
	841	+
	842	+ for ( i = 0; i < instance_count; i++ )
	843	+ {
	844	+ int pos;
	845	+ FT_UInt j;
	846	+ FT_Bool semicolon;
	847	+ FT_Fixed* c;
	848	+
	849	+
	850	+ /* Since FreeType starts the instance numbering with value 1 */
	851	+ /* in `face_index` we report the same here for consistency. */
	852	+ pos = printf( " %u: ", i + 1);
	853	+
	854	+ name.string = NULL;
	855	+ get_english_name_entry( face, named_styles[i].strid, &name );
	856	+ if ( name.string )
	857	+ {
	858	+ if ( name.platform_id == TT_PLATFORM_MACINTOSH )
	859	+ put_ascii( name.string, name.string_len, 0 );
	860	+ else
	861	+ put_unicode_be16( name.string, name.string_len, 0, utf8 );
	862	+ }
	863	+ else
	864	+ printf( "UNAVAILABLE" );
	865	+ printf( "%s\n", i == default_named_instance ? " (default)" : "" );
	866	+
	867	+ name.string = NULL;
	868	+ get_english_name_entry( face, named_styles[i].psid, &name );
	869	+ printf( "%*s PS: ", pos, "" );
	870	+ if ( name.string )
	871	+ {
	872	+ if ( name.platform_id == TT_PLATFORM_MACINTOSH )
	873	+ put_ascii( name.string, name.string_len, 0 );
	874	+ else
	875	+ put_unicode_be16( name.string, name.string_len, 0, utf8 );
	876	+ }
	877	+ else
	878	+ printf( "UNAVAILABLE" );
	879	+ printf( "\n" );
	880	+
	881	+ semicolon = 0;
	882	+ c = named_styles[i].coords;
	883	+
	884	+ printf( "%*scoord: (", pos, "" );
	885	+ for ( j = 0; j < mm->num_axis; j++ )
	886	+ {
	887	+ printf( "%s%g", semicolon ? ";" : "", c[j] / 65536.0);
	888	+ semicolon = 1;
	889	+ }
	890	+ printf( ")\n" );
	891	+ }
	892	+
	893	+ printf( "\n" );
	894	+ }
	895	+
795	896	FT_Done_MM_Var( face->glyph->library, mm );
796	897	}
797	898
...	...	@@ -1360,7 +1461,7 @@
1360	1461	if ( FT_HAS_MULTIPLE_MASTERS( face ) )
1361	1462	{
1362	1463	printf( "\n" );
1363		- Print_MM_Axes( face );
	1464	+ Print_MM_Info( face );
1364	1465	}
1365	1466
1366	1467	FT_Done_Face( face );

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