NEW public API for pdfwindow font manipulation

public/fpdf_sysfontinfo.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef _FPDF_SYSFONTINFO_H
 #define _FPDF_SYSFONTINFO_H
 
 #include "fpdfview.h"
@@ skipping 14 matching lines @@
 
 /* Typical weight values */
 #define FXFONT_FW_NORMAL                400
 #define FXFONT_FW_BOLD                  700
 
 // Exported Functions
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-
 /** 
  * Interface: FPDF_SYSFONTINFO
  *                      Interface for getting system font information and font mapping
  */
 typedef struct _FPDF_SYSFONTINFO {
         /**
          * Version number of the interface. Currently must be 1.
          **/
         int     version;
 
@@ skipping 140 matching lines @@
          * Parameters:
          *                      pThis           -       Pointer to the interface structure itself
          *                      hFont           -       Font handle returned by MapFont or GetFont method
          * Return Value:
          *                      None
          **/
         void (*DeleteFont)(struct _FPDF_SYSFONTINFO* pThis, void* hFont);
 } FPDF_SYSFONTINFO;
 
 /**
+ * Struct: FPDF_CharsetFontMap
+ *    Provides the name of a font to use for a given charset value.
+ **/
+typedef struct FPDF_CharsetFontMap_
+{
+    int charset;  // Character Set Enum value, see FXFONT_*_CHARSET above.
+    const char* fontname;  // Name of default font to use with that charset.
+} FPDF_CharsetFontMap;
+
+/**
+ * Function: FPDF_GetDefaultTTFMap
+ *    Returns a pointer to the default character set to TT Font name map. The
+ *    map is an array of FPDF_CharsetFontMap structs, with its end indicated
+ *    by a { -1, NULL } entry.
+ * Parameters:
+ *     None.
+ * Return Value:
+ *     Pointer to the Charset Font Map.
+ **/
+DLLEXPORT const FPDF_CharsetFontMap* STDCALL FPDF_GetDefaultTTFMap();
+
+/**
  * Function: FPDF_AddInstalledFont
  *                      Add a system font to the list in Foxit SDK.
  * Comments:
  *                      This function is only called during the system font list building process.
  * Parameters:
  *                      mapper                  -       Opaque pointer to Foxit font mapper
  *                      face                    -       The font face name
  *                      charset                 -       Font character set. See above defined constants.
  * Return Value:
  *                      None.
@@ skipping 26 matching lines @@
  *                      Or NULL if the platform doesn't have a default interface.
  *                      Application should call FPDF_FreeMemory to free the returned pointer.
  **/
 DLLEXPORT FPDF_SYSFONTINFO* STDCALL FPDF_GetDefaultSystemFontInfo();
 
 #ifdef __cplusplus
 };
 #endif
 
 #endif // _FPDF_SYSFONTINFO_H