misc/libfreetype/src/type1/t1driver.c
changeset 5172 88f2e05288ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/type1/t1driver.c	Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,331 @@
+/***************************************************************************/
+/*                                                                         */
+/*  t1driver.c                                                             */
+/*                                                                         */
+/*    Type 1 driver interface (body).                                      */
+/*                                                                         */
+/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2009 by             */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include "t1driver.h"
+#include "t1gload.h"
+#include "t1load.h"
+
+#include "t1errors.h"
+
+#ifndef T1_CONFIG_OPTION_NO_AFM
+#include "t1afm.h"
+#endif
+
+#include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_STREAM_H
+
+#include FT_SERVICE_MULTIPLE_MASTERS_H
+#include FT_SERVICE_GLYPH_DICT_H
+#include FT_SERVICE_XFREE86_NAME_H
+#include FT_SERVICE_POSTSCRIPT_NAME_H
+#include FT_SERVICE_POSTSCRIPT_CMAPS_H
+#include FT_SERVICE_POSTSCRIPT_INFO_H
+#include FT_SERVICE_KERNING_H
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
+  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
+  /* messages during execution.                                            */
+  /*                                                                       */
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_t1driver
+
+ /*
+  *  GLYPH DICT SERVICE
+  *
+  */
+
+  static FT_Error
+  t1_get_glyph_name( T1_Face     face,
+                     FT_UInt     glyph_index,
+                     FT_Pointer  buffer,
+                     FT_UInt     buffer_max )
+  {
+    FT_STRCPYN( buffer, face->type1.glyph_names[glyph_index], buffer_max );
+
+    return T1_Err_Ok;
+  }
+
+
+  static FT_UInt
+  t1_get_name_index( T1_Face     face,
+                     FT_String*  glyph_name )
+  {
+    FT_Int      i;
+    FT_String*  gname;
+
+
+    for ( i = 0; i < face->type1.num_glyphs; i++ )
+    {
+      gname = face->type1.glyph_names[i];
+
+      if ( !ft_strcmp( glyph_name, gname ) )
+        return (FT_UInt)i;
+    }
+
+    return 0;
+  }
+
+
+  static const FT_Service_GlyphDictRec  t1_service_glyph_dict =
+  {
+    (FT_GlyphDict_GetNameFunc)  t1_get_glyph_name,
+    (FT_GlyphDict_NameIndexFunc)t1_get_name_index
+  };
+
+
+  /*
+   *  POSTSCRIPT NAME SERVICE
+   *
+   */
+
+  static const char*
+  t1_get_ps_name( T1_Face  face )
+  {
+    return (const char*) face->type1.font_name;
+  }
+
+
+  static const FT_Service_PsFontNameRec  t1_service_ps_name =
+  {
+    (FT_PsName_GetFunc)t1_get_ps_name
+  };
+
+
+  /*
+   *  MULTIPLE MASTERS SERVICE
+   *
+   */
+
+#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
+  static const FT_Service_MultiMastersRec  t1_service_multi_masters =
+  {
+    (FT_Get_MM_Func)        T1_Get_Multi_Master,
+    (FT_Set_MM_Design_Func) T1_Set_MM_Design,
+    (FT_Set_MM_Blend_Func)  T1_Set_MM_Blend,
+    (FT_Get_MM_Var_Func)    T1_Get_MM_Var,
+    (FT_Set_Var_Design_Func)T1_Set_Var_Design
+  };
+#endif
+
+
+  /*
+   *  POSTSCRIPT INFO SERVICE
+   *
+   */
+
+  static FT_Error
+  t1_ps_get_font_info( FT_Face          face,
+                       PS_FontInfoRec*  afont_info )
+  {
+    *afont_info = ((T1_Face)face)->type1.font_info;
+
+    return T1_Err_Ok;
+  }
+
+
+  static FT_Error
+  t1_ps_get_font_extra( FT_Face           face,
+                        PS_FontExtraRec*  afont_extra )
+  {
+    *afont_extra = ((T1_Face)face)->type1.font_extra;
+
+    return T1_Err_Ok;
+  }
+
+
+  static FT_Int
+  t1_ps_has_glyph_names( FT_Face  face )
+  {
+    FT_UNUSED( face );
+
+    return 1;
+  }
+
+
+  static FT_Error
+  t1_ps_get_font_private( FT_Face         face,
+                          PS_PrivateRec*  afont_private )
+  {
+    *afont_private = ((T1_Face)face)->type1.private_dict;
+
+    return T1_Err_Ok;
+  }
+
+
+  static const FT_Service_PsInfoRec  t1_service_ps_info =
+  {
+    (PS_GetFontInfoFunc)   t1_ps_get_font_info,
+    (PS_GetFontExtraFunc)  t1_ps_get_font_extra,
+    (PS_HasGlyphNamesFunc) t1_ps_has_glyph_names,
+    (PS_GetFontPrivateFunc)t1_ps_get_font_private,
+  };
+
+
+#ifndef T1_CONFIG_OPTION_NO_AFM
+  static const FT_Service_KerningRec  t1_service_kerning =
+  {
+    T1_Get_Track_Kerning,
+  };
+#endif
+
+
+  /*
+   *  SERVICE LIST
+   *
+   */
+
+  static const FT_ServiceDescRec  t1_services[] =
+  {
+    { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &t1_service_ps_name },
+    { FT_SERVICE_ID_GLYPH_DICT,           &t1_service_glyph_dict },
+    { FT_SERVICE_ID_XF86_NAME,            FT_XF86_FORMAT_TYPE_1 },
+    { FT_SERVICE_ID_POSTSCRIPT_INFO,      &t1_service_ps_info },
+
+#ifndef T1_CONFIG_OPTION_NO_AFM
+    { FT_SERVICE_ID_KERNING,              &t1_service_kerning },
+#endif
+
+#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
+    { FT_SERVICE_ID_MULTI_MASTERS,        &t1_service_multi_masters },
+#endif
+    { NULL, NULL }
+  };
+
+
+  static FT_Module_Interface
+  Get_Interface( FT_Driver         driver,
+                 const FT_String*  t1_interface )
+  {
+    FT_UNUSED( driver );
+
+    return ft_service_list_lookup( t1_services, t1_interface );
+  }
+
+
+#ifndef T1_CONFIG_OPTION_NO_AFM
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    Get_Kerning                                                        */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A driver method used to return the kerning vector between two      */
+  /*    glyphs of the same face.                                           */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    face        :: A handle to the source face object.                 */
+  /*                                                                       */
+  /*    left_glyph  :: The index of the left glyph in the kern pair.       */
+  /*                                                                       */
+  /*    right_glyph :: The index of the right glyph in the kern pair.      */
+  /*                                                                       */
+  /* <Output>                                                              */
+  /*    kerning     :: The kerning vector.  This is in font units for      */
+  /*                   scalable formats, and in pixels for fixed-sizes     */
+  /*                   formats.                                            */
+  /*                                                                       */
+  /* <Return>                                                              */
+  /*    FreeType error code.  0 means success.                             */
+  /*                                                                       */
+  /* <Note>                                                                */
+  /*    Only horizontal layouts (left-to-right & right-to-left) are        */
+  /*    supported by this function.  Other layouts, or more sophisticated  */
+  /*    kernings are out of scope of this method (the basic driver         */
+  /*    interface is meant to be simple).                                  */
+  /*                                                                       */
+  /*    They can be implemented by format-specific interfaces.             */
+  /*                                                                       */
+  static FT_Error
+  Get_Kerning( T1_Face     face,
+               FT_UInt     left_glyph,
+               FT_UInt     right_glyph,
+               FT_Vector*  kerning )
+  {
+    kerning->x = 0;
+    kerning->y = 0;
+
+    if ( face->afm_data )
+      T1_Get_Kerning( (AFM_FontInfo)face->afm_data,
+                      left_glyph,
+                      right_glyph,
+                      kerning );
+
+    return T1_Err_Ok;
+  }
+
+
+#endif /* T1_CONFIG_OPTION_NO_AFM */
+
+
+  FT_CALLBACK_TABLE_DEF
+  const FT_Driver_ClassRec  t1_driver_class =
+  {
+    {
+      FT_MODULE_FONT_DRIVER       |
+      FT_MODULE_DRIVER_SCALABLE   |
+      FT_MODULE_DRIVER_HAS_HINTER,
+
+      sizeof( FT_DriverRec ),
+
+      "type1",
+      0x10000L,
+      0x20000L,
+
+      0,   /* format interface */
+
+      (FT_Module_Constructor)T1_Driver_Init,
+      (FT_Module_Destructor) T1_Driver_Done,
+      (FT_Module_Requester)  Get_Interface,
+    },
+
+    sizeof( T1_FaceRec ),
+    sizeof( T1_SizeRec ),
+    sizeof( T1_GlyphSlotRec ),
+
+    (FT_Face_InitFunc)        T1_Face_Init,
+    (FT_Face_DoneFunc)        T1_Face_Done,
+    (FT_Size_InitFunc)        T1_Size_Init,
+    (FT_Size_DoneFunc)        T1_Size_Done,
+    (FT_Slot_InitFunc)        T1_GlyphSlot_Init,
+    (FT_Slot_DoneFunc)        T1_GlyphSlot_Done,
+
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+    ft_stub_set_char_sizes,
+    ft_stub_set_pixel_sizes,
+#endif
+    (FT_Slot_LoadFunc)        T1_Load_Glyph,
+
+#ifdef T1_CONFIG_OPTION_NO_AFM
+    (FT_Face_GetKerningFunc)  0,
+    (FT_Face_AttachFunc)      0,
+#else
+    (FT_Face_GetKerningFunc)  Get_Kerning,
+    (FT_Face_AttachFunc)      T1_Read_Metrics,
+#endif
+    (FT_Face_GetAdvancesFunc) T1_Get_Advances,
+    (FT_Size_RequestFunc)     T1_Size_Request,
+    (FT_Size_SelectFunc)      0
+  };
+
+
+/* END */