diff options
Diffstat (limited to 'fpdfsdk/fpdf_sysfontinfo.cpp')
| -rw-r--r-- | fpdfsdk/fpdf_sysfontinfo.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/fpdfsdk/fpdf_sysfontinfo.cpp b/fpdfsdk/fpdf_sysfontinfo.cpp new file mode 100644 index 0000000000..655c4a22bb --- /dev/null +++ b/fpdfsdk/fpdf_sysfontinfo.cpp @@ -0,0 +1,189 @@ +// 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 "public/fpdf_sysfontinfo.h" + +#include "fpdfsdk/include/fsdk_define.h" +#include "fpdfsdk/include/pdfwindow/PWL_FontMap.h" + +class CFX_ExternalFontInfo final : public IFX_SystemFontInfo { + public: + explicit CFX_ExternalFontInfo(FPDF_SYSFONTINFO* pInfo) : m_pInfo(pInfo) {} + + void Release() override { + if (m_pInfo->Release) + m_pInfo->Release(m_pInfo); + delete this; + } + + FX_BOOL EnumFontList(CFX_FontMapper* pMapper) override { + if (m_pInfo->EnumFonts) { + m_pInfo->EnumFonts(m_pInfo, pMapper); + return TRUE; + } + return FALSE; + } + + void* MapFont(int weight, + FX_BOOL bItalic, + int charset, + int pitch_family, + const FX_CHAR* family, + int& iExact) override { + if (m_pInfo->MapFont) + return m_pInfo->MapFont(m_pInfo, weight, bItalic, charset, pitch_family, + family, &iExact); + return NULL; + } + + void* GetFont(const FX_CHAR* family) override { + if (m_pInfo->GetFont) + return m_pInfo->GetFont(m_pInfo, family); + return NULL; + } + + FX_DWORD GetFontData(void* hFont, + FX_DWORD table, + uint8_t* buffer, + FX_DWORD size) override { + if (m_pInfo->GetFontData) + return m_pInfo->GetFontData(m_pInfo, hFont, table, buffer, size); + return 0; + } + + FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) override { + if (!m_pInfo->GetFaceName) + 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; + } + + FX_BOOL GetFontCharset(void* hFont, int& charset) override { + if (m_pInfo->GetFontCharset) { + charset = m_pInfo->GetFontCharset(m_pInfo, hFont); + return TRUE; + } + return FALSE; + } + + void DeleteFont(void* hFont) override { + if (m_pInfo->DeleteFont) + m_pInfo->DeleteFont(m_pInfo, hFont); + } + + private: + ~CFX_ExternalFontInfo() override {} + + FPDF_SYSFONTINFO* const m_pInfo; +}; + +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; + + CFX_GEModule::Get()->GetFontMgr()->SetSystemFontInfo( + new CFX_ExternalFontInfo(pFontInfoExt)); +} + +DLLEXPORT const FPDF_CharsetFontMap* STDCALL FPDF_GetDefaultTTFMap() { + return CPWL_FontMap::defaultTTFMap; +} + +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(nullptr); + if (!pFontInfo) + 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; +} |