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authorTom Sepez <tsepez@chromium.org>2015-05-11 15:25:39 -0700
committerTom Sepez <tsepez@chromium.org>2015-05-11 15:25:39 -0700
commit1ed8a21d5c26a9d78240d7d56850a1a4738d3f9c (patch)
tree6dc3c6d9007b5be6843c4e9dbf602a99238080b3 /fpdfsdk/include/fpdf_sysfontinfo.h
parentea7b333c73ea3e1847e79cabdd85853af67d6d6c (diff)
downloadpdfium-1ed8a21d5c26a9d78240d7d56850a1a4738d3f9c.tar.xz
Merge to XFA: Create top-level public/ header directory.
Original Review URL: https://codereview.chromium.org/1135913002 BUG=pdfium:154 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1136703003
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-// 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"
-
-/* Character sets for the font */
-#define FXFONT_ANSI_CHARSET 0
-#define FXFONT_DEFAULT_CHARSET 1
-#define FXFONT_SYMBOL_CHARSET 2
-#define FXFONT_SHIFTJIS_CHARSET 128
-#define FXFONT_HANGEUL_CHARSET 129
-#define FXFONT_GB2312_CHARSET 134
-#define FXFONT_CHINESEBIG5_CHARSET 136
-
-/* Font pitch and family flags */
-#define FXFONT_FF_FIXEDPITCH 1
-#define FXFONT_FF_ROMAN (1<<4)
-#define FXFONT_FF_SCRIPT (4<<4)
-
-/* 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;
-
- /**
- * Method: Release
- * Give implementation a chance to release any data after the interface is no longer used
- * Interface Version:
- * 1
- * Implementation Required:
- * No
- * Comments:
- * Called by Foxit SDK during the final cleanup process.
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * Return Value:
- * None
- */
- void (*Release)(struct _FPDF_SYSFONTINFO* pThis);
-
- /**
- * Method: EnumFonts
- * Enumerate all fonts installed on the system
- * Interface Version:
- * 1
- * Implementation Required:
- * No
- * Comments:
- * Implementation should call FPDF_AddIntalledFont() function for each font found.
- * Only TrueType/OpenType and Type1 fonts are accepted by Foxit SDK.
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * pMapper - An opaque pointer to internal font mapper, used when calling FPDF_AddInstalledFont
- * Return Value:
- * None
- */
- void (*EnumFonts)(struct _FPDF_SYSFONTINFO* pThis, void* pMapper);
-
- /**
- * Method: MapFont
- * Use the system font mapper to get a font handle from requested parameters
- * Interface Version:
- * 1
- * Implementation Required:
- * Yes only if GetFont method is not implemented.
- * Comments:
- * If the system supports native font mapper (like Windows), implementation can implement this method to get a font handle.
- * Otherwise, Foxit SDK will do the mapping and then call GetFont method.
- * Only TrueType/OpenType and Type1 fonts are accepted by Foxit SDK.
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * weight - Weight of the requested font. 400 is normal and 700 is bold.
- * bItalic - Italic option of the requested font, TRUE or FALSE.
- * charset - Character set identifier for the requested font. See above defined constants.
- * pitch_family - A combination of flags. See above defined constants.
- * face - Typeface name. Currently use system local encoding only.
- * bExact - Pointer to an boolean value receiving the indicator whether mapper found the exact match.
- * If mapper is not sure whether it's exact match, ignore this paramter.
- * Return Value:
- * An opaque pointer for font handle, or NULL if system mapping is not supported.
- **/
- void* (*MapFont)(struct _FPDF_SYSFONTINFO* pThis, int weight, int bItalic, int charset, int pitch_family,
- const char* face, int* bExact);
-
- /**
- * Method: GetFont
- * Get a handle to a particular font by its internal ID
- * Interface Version:
- * 1
- * Implementation Required:
- * Yes only if MapFont method is not implemented.
- * Comments:
- * If the system mapping not supported, Foxit SDK will do the font mapping and use this method to get a font handle.
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * face - Typeface name. Currently use system local encoding only.
- * Return Value:
- * An opaque pointer for font handle.
- **/
- void* (*GetFont)(struct _FPDF_SYSFONTINFO* pThis, const char* face);
-
- /**
- * Method: GetFontData
- * Get font data from a font
- * Interface Version:
- * 1
- * Implementation Required:
- * Yes
- * Comments:
- * Can read either full font file, or a particular TrueType/OpenType table
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * hFont - Font handle returned by MapFont or GetFont method
- * table - TrueType/OpenType table identifier (refer to TrueType specification).
- * 0 for the whole font file.
- * buffer - The buffer receiving the font data. Can be NULL if not provided
- * buf_size - Buffer size, can be zero if not provided
- * Return Value:
- * Number of bytes needed, if buffer not provided or not large enough,
- * or number of bytes written into buffer otherwise.
- **/
- unsigned long (*GetFontData)(struct _FPDF_SYSFONTINFO* pThis, void* hFont,
- unsigned int table, unsigned char* buffer, unsigned long buf_size);
-
- /**
- * Method: GetFaceName
- * Get face name from a font handle
- * Interface Version:
- * 1
- * Implementation Required:
- * No
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * hFont - Font handle returned by MapFont or GetFont method
- * buffer - The buffer receiving the face name. Can be NULL if not provided
- * buf_size - Buffer size, can be zero if not provided
- * Return Value:
- * Number of bytes needed, if buffer not provided or not large enough,
- * or number of bytes written into buffer otherwise.
- **/
- unsigned long (*GetFaceName)(struct _FPDF_SYSFONTINFO* pThis, void* hFont, char* buffer, unsigned long buf_size);
-
- /**
- * Method: GetFontCharset
- * Get character set information for a font handle
- * Interface Version:
- * 1
- * Implementation Required:
- * No
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * hFont - Font handle returned by MapFont or GetFont method
- * Return Value:
- * Character set identifier. See defined constants above.
- **/
- int (*GetFontCharset)(struct _FPDF_SYSFONTINFO* pThis, void* hFont);
-
- /**
- * Method: DeleteFont
- * Delete a font handle
- * Interface Version:
- * 1
- * Implementation Required:
- * Yes
- * 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;
-
-/**
- * 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.
- **/
-DLLEXPORT void STDCALL FPDF_AddInstalledFont(void* mapper, const char* face, int charset);
-
-/**
- * Function: FPDF_SetSystemFontInfo
- * Set the system font info interface into Foxit SDK
- * Comments:
- * Platform support implementation should implement required methods of FFDF_SYSFONTINFO interface,
- * then call this function during SDK initialization process.
- * Parameters:
- * pFontInfo - Pointer to a FPDF_SYSFONTINFO structure
- * Return Value:
- * None
- **/
-DLLEXPORT void STDCALL FPDF_SetSystemFontInfo(FPDF_SYSFONTINFO* pFontInfo);
-
-/**
- * Function: FPDF_GetDefaultSystemFontInfo
- * Get default system font info interface for current platform
- * Comments:
- * For some platforms Foxit SDK implement a default version of system font info interface.
- * The default implementation can be used in FPDF_SetSystemFontInfo function.
- * Parameters:
- * None
- * Return Value:
- * Pointer to a FPDF_SYSFONTINFO structure describing the default interface.
- * 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