| // 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 "../include/fsdk_define.h" |
| #include "../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 == 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; |
| } |
| |
| 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 == 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; |
| } |