mirror of https://github.com/freetype/freetype
[truetype] Fix style name handling for variation fonts.
* include/freetype/internal/tttypes.h (TT_FaceRec): New field `non_var_style_name`. * src/sfnt/sfobjs.c (sfnt_load_face): Initialize `non_var_style_name`. (sfnt_done_face): Free `non_var_style_name`. * src/truetype/ttgxvar.c (TT_Set_Named_Instance): Restore non-VF style name if switching back to non-VF mode.
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@ -1318,6 +1318,9 @@ FT_BEGIN_HEADER
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* var_default_named_instance ::
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* The index of the default named instance.
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*
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* non_var_style_name ::
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* The non-variation style name, used as a backup.
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*
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* horz_metrics_size ::
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* The size of the 'hmtx' table.
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*
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@ -1556,6 +1559,8 @@ FT_BEGIN_HEADER
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FT_UInt var_postscript_prefix_len; /* since 2.7.2 */
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FT_UInt var_default_named_instance; /* since 2.13.1 */
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const char* non_var_style_name; /* since 2.13.1 */
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#endif
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/* since version 2.2 */
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@ -1063,6 +1063,16 @@
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GET_NAME( FONT_SUBFAMILY, &face->root.style_name );
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}
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#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
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{
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FT_Memory memory = face->root.memory;
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if ( FT_STRDUP( face->non_var_style_name, face->root.style_name ) )
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goto Exit;
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}
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#endif
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/* now set up root fields */
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{
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FT_Face root = &face->root;
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@ -1509,6 +1519,7 @@
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#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
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FT_FREE( face->var_postscript_prefix );
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FT_FREE( face->non_var_style_name );
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#endif
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/* freeing glyph color palette data */
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@ -3306,6 +3306,8 @@
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GX_Blend blend;
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FT_MM_Var* mmvar;
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FT_Memory memory = face->root.memory;
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FT_UInt num_instances;
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@ -3329,8 +3331,7 @@
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if ( instance_index > 0 )
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{
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FT_Memory memory = face->root.memory;
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SFNT_Service sfnt = (SFNT_Service)face->sfnt;
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SFNT_Service sfnt = (SFNT_Service)face->sfnt;
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FT_Var_Named_Style* named_style;
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FT_String* style_name;
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@ -3354,7 +3355,13 @@
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named_style->coords );
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}
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else
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{
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/* restore non-VF style name */
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FT_FREE( face->root.style_name );
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if ( FT_STRDUP( face->root.style_name, face->non_var_style_name ) )
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goto Exit;
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error = TT_Set_Var_Design( face, 0, NULL );
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}
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Exit:
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return error;
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