diff options
Diffstat (limited to 'fpdfsdk/src/fpdf_sysfontinfo.cpp')
| -rw-r--r-- | fpdfsdk/src/fpdf_sysfontinfo.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/fpdfsdk/src/fpdf_sysfontinfo.cpp b/fpdfsdk/src/fpdf_sysfontinfo.cpp new file mode 100644 index 0000000000..4c6b784981 --- /dev/null +++ b/fpdfsdk/src/fpdf_sysfontinfo.cpp @@ -0,0 +1,163 @@ +// 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 + +#include "../include/fsdk_define.h" +#include "../include/fpdf_sysfontinfo.h" + +class CSysFontInfo_Ext : public IFX_SystemFontInfo +{ +public: + FPDF_SYSFONTINFO* m_pInfo; + + virtual void Release() + { + if (m_pInfo->Release) + m_pInfo->Release(m_pInfo); + delete this; + } + + virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper) + { + if (m_pInfo->EnumFonts) { + m_pInfo->EnumFonts(m_pInfo, pMapper); + return TRUE; + } + return FALSE; + } + + virtual void* MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR family, FX_BOOL& bExact) + { + if (m_pInfo->MapFont) + return m_pInfo->MapFont(m_pInfo, weight, bItalic, charset, pitch_family, family, &bExact); + return NULL; + } + + virtual void* GetFont(FX_LPCSTR family) + { + if (m_pInfo->GetFont) + return m_pInfo->GetFont(m_pInfo, family); + return NULL; + } + + virtual FX_DWORD GetFontData(void* hFont, FX_DWORD table, FX_LPBYTE buffer, FX_DWORD size) + { + if (m_pInfo->GetFontData) + return m_pInfo->GetFontData(m_pInfo, hFont, table, buffer, size); + return 0; + } + + virtual FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) + { + if (m_pInfo->GetFaceName == NULL) return FALSE; + FX_DWORD size = m_pInfo->GetFaceName(m_pInfo, hFont, NULL, 0); + if (size == 0) return FALSE; + char* buffer = FX_Alloc(char, size); + size = m_pInfo->GetFaceName(m_pInfo, hFont, buffer, size); + name = CFX_ByteString(buffer, size); + FX_Free(buffer); + return TRUE; + } + + virtual FX_BOOL GetFontCharset(void* hFont, int& charset) + { + if (m_pInfo->GetFontCharset) { + charset = m_pInfo->GetFontCharset(m_pInfo, hFont); + return TRUE; + } + return FALSE; + } + + virtual void DeleteFont(void* hFont) + { + if (m_pInfo->DeleteFont) + m_pInfo->DeleteFont(m_pInfo, hFont); + } +}; + +DLLEXPORT void STDCALL FPDF_AddInstalledFont(void* mapper, const char* name, int charset) +{ + ((CFX_FontMapper*)mapper)->AddInstalledFont(name, charset); +} + +DLLEXPORT void STDCALL FPDF_SetSystemFontInfo(FPDF_SYSFONTINFO* pFontInfoExt) +{ + if (pFontInfoExt->version != 1) return; + + CSysFontInfo_Ext* pFontInfo = FX_NEW CSysFontInfo_Ext; + pFontInfo->m_pInfo = pFontInfoExt; + CFX_GEModule::Get()->GetFontMgr()->SetSystemFontInfo(pFontInfo); +} + +struct FPDF_SYSFONTINFO_DEFAULT : public FPDF_SYSFONTINFO +{ + IFX_SystemFontInfo* m_pFontInfo; +}; + +static void DefaultRelease(struct _FPDF_SYSFONTINFO* pThis) +{ + ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->Release(); +} + +static void DefaultEnumFonts(struct _FPDF_SYSFONTINFO* pThis, void* pMapper) +{ + ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->EnumFontList((CFX_FontMapper*)pMapper); +} + +static void* DefaultMapFont(struct _FPDF_SYSFONTINFO* pThis, int weight, int bItalic, int charset, int pitch_family, const char* family, int* bExact) +{ + return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->MapFont(weight, bItalic, charset, pitch_family, family, *bExact); +} + +void* DefaultGetFont(struct _FPDF_SYSFONTINFO* pThis, const char* family) +{ + return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFont(family); +} + +static unsigned long DefaultGetFontData(struct _FPDF_SYSFONTINFO* pThis, void* hFont, + unsigned int table, unsigned char* buffer, unsigned long buf_size) +{ + return ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFontData(hFont, table, buffer, buf_size); +} + +static unsigned long DefaultGetFaceName(struct _FPDF_SYSFONTINFO* pThis, void* hFont, char* buffer, unsigned long buf_size) +{ + CFX_ByteString name; + if (!((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFaceName(hFont, name)) return 0; + if (name.GetLength() >= (long)buf_size) return name.GetLength() + 1; + FXSYS_strcpy(buffer, name); + return name.GetLength() + 1; +} + +static int DefaultGetFontCharset(struct _FPDF_SYSFONTINFO* pThis, void* hFont) +{ + int charset; + if (!((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->GetFontCharset(hFont, charset)) return 0; + return charset; +} + +static void DefaultDeleteFont(struct _FPDF_SYSFONTINFO* pThis, void* hFont) +{ + ((FPDF_SYSFONTINFO_DEFAULT*)pThis)->m_pFontInfo->DeleteFont(hFont); +} + +DLLEXPORT FPDF_SYSFONTINFO* STDCALL FPDF_GetDefaultSystemFontInfo() +{ + IFX_SystemFontInfo* pFontInfo = IFX_SystemFontInfo::CreateDefault(); + if (pFontInfo == NULL) return NULL; + + FPDF_SYSFONTINFO_DEFAULT* pFontInfoExt = FX_Alloc(FPDF_SYSFONTINFO_DEFAULT, 1); + pFontInfoExt->DeleteFont = DefaultDeleteFont; + pFontInfoExt->EnumFonts = DefaultEnumFonts; + pFontInfoExt->GetFaceName = DefaultGetFaceName; + pFontInfoExt->GetFont = DefaultGetFont; + pFontInfoExt->GetFontCharset = DefaultGetFontCharset; + pFontInfoExt->GetFontData = DefaultGetFontData; + pFontInfoExt->MapFont = DefaultMapFont; + pFontInfoExt->Release = DefaultRelease; + pFontInfoExt->version = 1; + pFontInfoExt->m_pFontInfo = pFontInfo; + return pFontInfoExt; +} |