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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
#include "../../public/fpdf_sysfontinfo.h"
#include "../include/fsdk_define.h"
#include "../include/pdfwindow/PWL_FontMap.h"
class CSysFontInfo_Ext final : public IFX_SystemFontInfo
{
public:
FPDF_SYSFONTINFO* m_pInfo;
virtual void Release() override
{
if (m_pInfo->Release)
m_pInfo->Release(m_pInfo);
delete this;
}
virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper) override
{
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, const FX_CHAR* family, FX_BOOL& bExact) override
{
if (m_pInfo->MapFont)
return m_pInfo->MapFont(m_pInfo, weight, bItalic, charset, pitch_family, family, &bExact);
return NULL;
}
virtual void* GetFont(const FX_CHAR* family) override
{
if (m_pInfo->GetFont)
return m_pInfo->GetFont(m_pInfo, family);
return NULL;
}
virtual 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;
}
virtual 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;
}
virtual FX_BOOL GetFontCharset(void* hFont, int& charset) override
{
if (m_pInfo->GetFontCharset) {
charset = m_pInfo->GetFontCharset(m_pInfo, hFont);
return TRUE;
}
return FALSE;
}
virtual void DeleteFont(void* hFont) override
{
if (m_pInfo->DeleteFont)
m_pInfo->DeleteFont(m_pInfo, hFont);
}
private:
~CSysFontInfo_Ext() { }
};
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 = new CSysFontInfo_Ext;
pFontInfo->m_pInfo = pFontInfoExt;
CFX_GEModule::Get()->GetFontMgr()->SetSystemFontInfo(pFontInfo);
}
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();
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;
}
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