// 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 "xfa/src/fgas/src/fgas_base.h" | |
#include "fx_gefont.h" | |
#include "fx_fontutils.h" | |
#ifndef _FXPLUS | |
IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFontFamily, | |
FX_DWORD dwFontStyles, | |
FX_WORD wCodePage, | |
IFX_FontMgr* pFontMgr) { | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
if (NULL != pFontMgr) { | |
return pFontMgr->GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily); | |
} | |
return NULL; | |
#else | |
CFX_GEFont* pFont = new CFX_GEFont(pFontMgr); | |
if (!pFont->LoadFont(pszFontFamily, dwFontStyles, wCodePage)) { | |
pFont->Release(); | |
return NULL; | |
} | |
return pFont; | |
#endif | |
} | |
IFX_Font* IFX_Font::LoadFont(const uint8_t* pBuffer, | |
int32_t iLength, | |
IFX_FontMgr* pFontMgr) { | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
if (NULL != pFontMgr) { | |
return pFontMgr->LoadFont(pBuffer, iLength, 0, NULL); | |
} | |
return NULL; | |
#else | |
CFX_GEFont* pFont = new CFX_GEFont(pFontMgr); | |
if (!pFont->LoadFont(pBuffer, iLength)) { | |
pFont->Release(); | |
return NULL; | |
} | |
return pFont; | |
#endif | |
} | |
IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFileName, | |
IFX_FontMgr* pFontMgr) { | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
if (NULL != pFontMgr) { | |
return pFontMgr->LoadFont(pszFileName, 0, NULL); | |
} | |
return NULL; | |
#else | |
CFX_GEFont* pFont = new CFX_GEFont(pFontMgr); | |
if (!pFont->LoadFont(pszFileName)) { | |
pFont->Release(); | |
return NULL; | |
} | |
return pFont; | |
#endif | |
} | |
IFX_Font* IFX_Font::LoadFont(IFX_Stream* pFontStream, | |
IFX_FontMgr* pFontMgr, | |
FX_BOOL bSaveStream) { | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
if (NULL != pFontMgr) { | |
return pFontMgr->LoadFont(pFontStream, 0, NULL); | |
} | |
return NULL; | |
#else | |
CFX_GEFont* pFont = new CFX_GEFont(pFontMgr); | |
if (!pFont->LoadFont(pFontStream, bSaveStream)) { | |
pFont->Release(); | |
return NULL; | |
} | |
return pFont; | |
#endif | |
} | |
IFX_Font* IFX_Font::LoadFont(CFX_Font* pExtFont, | |
IFX_FontMgr* pFontMgr, | |
FX_BOOL bTakeOver) { | |
CFX_GEFont* pFont = new CFX_GEFont(pFontMgr); | |
if (!pFont->LoadFont(pExtFont, bTakeOver)) { | |
pFont->Release(); | |
return NULL; | |
} | |
return pFont; | |
} | |
CFX_GEFont::CFX_GEFont(IFX_FontMgr* pFontMgr) | |
: CFX_ThreadLock(), | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
m_bUseLogFontStyle(FALSE), | |
m_dwLogFontStyle(0), | |
#endif | |
m_pFont(NULL), | |
m_pFontMgr(pFontMgr), | |
m_iRefCount(1), | |
m_bExtFont(FALSE), | |
m_pStream(NULL), | |
m_pFileRead(NULL), | |
m_pFontEncoding(NULL), | |
m_pCharWidthMap(NULL), | |
m_pRectArray(NULL), | |
m_pBBoxMap(NULL), | |
m_pProvider(NULL), | |
m_wCharSet(0xFFFF), | |
m_SubstFonts(), | |
m_FontMapper(16) { | |
} | |
CFX_GEFont::CFX_GEFont(const CFX_GEFont& src, FX_DWORD dwFontStyles) | |
: CFX_ThreadLock(), | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
m_bUseLogFontStyle(FALSE), | |
m_dwLogFontStyle(0), | |
#endif | |
m_pFont(NULL), | |
m_pFontMgr(src.m_pFontMgr), | |
m_iRefCount(1), | |
m_bExtFont(FALSE), | |
m_pStream(NULL), | |
m_pFileRead(NULL), | |
m_pFontEncoding(NULL), | |
m_pCharWidthMap(NULL), | |
m_pRectArray(NULL), | |
m_pBBoxMap(NULL), | |
m_pProvider(NULL), | |
m_wCharSet(0xFFFF), | |
m_SubstFonts(), | |
m_FontMapper(16) { | |
m_pFont = new CFX_Font; | |
FXSYS_assert(m_pFont != NULL); | |
FXSYS_assert(src.m_pFont != NULL); | |
m_pFont->LoadClone(src.m_pFont); | |
CFX_SubstFont* pSubst = m_pFont->GetSubstFont(); | |
if (!pSubst) { | |
pSubst = new CFX_SubstFont; | |
m_pFont->SetSubstFont(pSubst); | |
} | |
pSubst->m_Weight = | |
(dwFontStyles & FX_FONTSTYLE_Bold) ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL; | |
if (dwFontStyles & FX_FONTSTYLE_Italic) { | |
pSubst->m_SubstFlags |= FXFONT_SUBST_ITALIC; | |
} | |
InitFont(); | |
} | |
CFX_GEFont::~CFX_GEFont() { | |
int32_t iCount = m_SubstFonts.GetSize(); | |
for (int32_t i = 0; i < iCount; i++) { | |
IFX_Font* pFont = (IFX_Font*)m_SubstFonts[i]; | |
pFont->Release(); | |
} | |
m_SubstFonts.RemoveAll(); | |
m_FontMapper.RemoveAll(); | |
if (m_pFileRead != NULL) { | |
m_pFileRead->Release(); | |
} | |
if (m_pStream != NULL) { | |
m_pStream->Release(); | |
} | |
if (m_pFontEncoding != NULL) { | |
delete m_pFontEncoding; | |
} | |
if (m_pCharWidthMap != NULL) { | |
delete m_pCharWidthMap; | |
} | |
if (m_pRectArray != NULL) { | |
delete m_pRectArray; | |
} | |
if (m_pBBoxMap != NULL) { | |
delete m_pBBoxMap; | |
} | |
if (m_pFont != NULL && !m_bExtFont) { | |
delete m_pFont; | |
} | |
} | |
void CFX_GEFont::Release() { | |
if (--m_iRefCount < 1) { | |
if (m_pFontMgr != NULL) { | |
m_pFontMgr->RemoveFont(this); | |
} | |
delete this; | |
} | |
} | |
IFX_Font* CFX_GEFont::Retain() { | |
++m_iRefCount; | |
return this; | |
} | |
FX_BOOL CFX_GEFont::LoadFont(const FX_WCHAR* pszFontFamily, | |
FX_DWORD dwFontStyles, | |
FX_WORD wCodePage) { | |
if (m_pFont) { | |
return FALSE; | |
} | |
Lock(); | |
CFX_ByteString csFontFamily; | |
if (pszFontFamily != NULL) { | |
csFontFamily = CFX_ByteString::FromUnicode(pszFontFamily); | |
} | |
FX_DWORD dwFlags = 0; | |
if (dwFontStyles & FX_FONTSTYLE_FixedPitch) { | |
dwFlags |= FXFONT_FIXED_PITCH; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_Serif) { | |
dwFlags |= FXFONT_SERIF; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_Symbolic) { | |
dwFlags |= FXFONT_SYMBOLIC; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_Script) { | |
dwFlags |= FXFONT_SCRIPT; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_Italic) { | |
dwFlags |= FXFONT_ITALIC; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_Bold) { | |
dwFlags |= FXFONT_BOLD; | |
} | |
if (dwFontStyles & FX_FONTSTYLE_ExactMatch) { | |
dwFlags |= FXFONT_EXACTMATCH; | |
} | |
int32_t iWeight = | |
(dwFontStyles & FX_FONTSTYLE_Bold) ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL; | |
FX_WORD wCharSet = FX_GetCharsetFromCodePage(wCodePage); | |
if (wCharSet == 0xFFFF) { | |
wCharSet = FXSYS_GetACP(); | |
} | |
m_wCharSet = wCharSet; | |
m_pFont = new CFX_Font; | |
if ((dwFlags & FXFONT_ITALIC) && (dwFlags & FXFONT_BOLD)) { | |
csFontFamily += ",BoldItalic"; | |
} else if (dwFlags & FXFONT_BOLD) { | |
csFontFamily += ",Bold"; | |
} else if (dwFlags & FXFONT_ITALIC) { | |
csFontFamily += ",Italic"; | |
} | |
m_pFont->LoadSubst(csFontFamily, TRUE, dwFlags, iWeight, 0, wCodePage); | |
FX_BOOL bRet = m_pFont->GetFace() != nullptr; | |
if (bRet) { | |
bRet = InitFont(); | |
} | |
Unlock(); | |
return bRet; | |
} | |
FX_BOOL CFX_GEFont::LoadFont(const uint8_t* pBuffer, int32_t length) { | |
if (m_pFont) { | |
return FALSE; | |
} | |
Lock(); | |
m_pFont = new CFX_Font; | |
FX_BOOL bRet = m_pFont->LoadEmbedded(pBuffer, length); | |
if (bRet) { | |
bRet = InitFont(); | |
} | |
m_wCharSet = 0xFFFF; | |
Unlock(); | |
return bRet; | |
} | |
FX_BOOL CFX_GEFont::LoadFont(const FX_WCHAR* pszFileName) { | |
if (m_pFont || m_pStream || m_pFileRead) { | |
return FALSE; | |
} | |
Lock(); | |
m_pStream = IFX_Stream::CreateStream( | |
pszFileName, FX_STREAMACCESS_Binary | FX_STREAMACCESS_Read); | |
m_pFileRead = FX_CreateFileRead(m_pStream); | |
FX_BOOL bRet = FALSE; | |
if (m_pStream && m_pFileRead) { | |
m_pFont = new CFX_Font; | |
bRet = m_pFont->LoadFile(m_pFileRead); | |
if (bRet) { | |
bRet = InitFont(); | |
} else { | |
m_pFileRead->Release(); | |
m_pFileRead = nullptr; | |
} | |
} | |
m_wCharSet = 0xFFFF; | |
Unlock(); | |
return bRet; | |
} | |
FX_BOOL CFX_GEFont::LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream) { | |
if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) { | |
return FALSE; | |
} | |
Lock(); | |
if (bSaveStream) { | |
m_pStream = pFontStream; | |
} | |
m_pFileRead = FX_CreateFileRead(pFontStream); | |
m_pFont = new CFX_Font; | |
FX_BOOL bRet = m_pFont->LoadFile(m_pFileRead); | |
if (bRet) { | |
bRet = InitFont(); | |
} else { | |
m_pFileRead->Release(); | |
m_pFileRead = nullptr; | |
} | |
m_wCharSet = 0xFFFF; | |
Unlock(); | |
return bRet; | |
} | |
FX_BOOL CFX_GEFont::LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver) { | |
if (m_pFont || !pExtFont) { | |
return FALSE; | |
} | |
Lock(); | |
m_pFont = pExtFont; | |
FX_BOOL bRet = !!m_pFont; | |
if (bRet) { | |
m_bExtFont = !bTakeOver; | |
bRet = InitFont(); | |
} else { | |
m_bExtFont = TRUE; | |
} | |
m_wCharSet = 0xFFFF; | |
Unlock(); | |
return bRet; | |
} | |
FX_BOOL CFX_GEFont::InitFont() { | |
if (!m_pFont) { | |
return FALSE; | |
} | |
if (!m_pFontEncoding) { | |
m_pFontEncoding = FX_CreateFontEncodingEx(m_pFont); | |
if (!m_pFontEncoding) { | |
return FALSE; | |
} | |
} | |
if (!m_pCharWidthMap) { | |
m_pCharWidthMap = new CFX_WordDiscreteArray(1024); | |
} | |
if (!m_pRectArray) { | |
m_pRectArray = new CFX_RectMassArray(16); | |
} | |
if (!m_pBBoxMap) { | |
m_pBBoxMap = new CFX_MapPtrToPtr(16); | |
} | |
return TRUE; | |
} | |
IFX_Font* CFX_GEFont::Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage) { | |
if (GetFontStyles() == dwFontStyles) { | |
return Retain(); | |
} | |
return new CFX_GEFont(*this, dwFontStyles); | |
} | |
uint8_t CFX_GEFont::GetCharSet() const { | |
if (m_wCharSet != 0xFFFF) { | |
return (uint8_t)m_wCharSet; | |
} | |
if (!m_pFont->GetSubstFont()) { | |
return FX_CHARSET_Default; | |
} | |
return m_pFont->GetSubstFont()->m_Charset; | |
} | |
void CFX_GEFont::GetFamilyName(CFX_WideString& wsFamily) const { | |
if (!m_pFont->GetSubstFont() || | |
m_pFont->GetSubstFont()->m_Family.GetLength() == 0) { | |
wsFamily = CFX_WideString::FromLocal(m_pFont->GetFamilyName()); | |
} else { | |
wsFamily = CFX_WideString::FromLocal(m_pFont->GetSubstFont()->m_Family); | |
} | |
} | |
void CFX_GEFont::GetPsName(CFX_WideString& wsName) const { | |
wsName = m_pFont->GetPsName(); | |
} | |
FX_DWORD CFX_GEFont::GetFontStyles() const { | |
FXSYS_assert(m_pFont != NULL); | |
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
if (m_bUseLogFontStyle) { | |
return m_dwLogFontStyle; | |
} | |
#endif | |
FX_DWORD dwStyles = 0; | |
if (!m_pFont->GetSubstFont()) { | |
if (m_pFont->IsBold()) { | |
dwStyles |= FX_FONTSTYLE_Bold; | |
} | |
if (m_pFont->IsItalic()) { | |
dwStyles |= FX_FONTSTYLE_Italic; | |
} | |
} else { | |
if (m_pFont->GetSubstFont()->m_Weight == FXFONT_FW_BOLD) { | |
dwStyles |= FX_FONTSTYLE_Bold; | |
} | |
if (m_pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_ITALIC) { | |
dwStyles |= FX_FONTSTYLE_Italic; | |
} | |
} | |
return dwStyles; | |
} | |
FX_BOOL CFX_GEFont::GetCharWidth(FX_WCHAR wUnicode, | |
int32_t& iWidth, | |
FX_BOOL bCharCode) { | |
return GetCharWidth(wUnicode, iWidth, TRUE, bCharCode); | |
} | |
FX_BOOL CFX_GEFont::GetCharWidth(FX_WCHAR wUnicode, | |
int32_t& iWidth, | |
FX_BOOL bRecursive, | |
FX_BOOL bCharCode) { | |
FXSYS_assert(m_pCharWidthMap != NULL); | |
iWidth = m_pCharWidthMap->GetAt(wUnicode, 0); | |
if (iWidth < 1) { | |
if (!m_pProvider || | |
!m_pProvider->GetCharWidth(this, wUnicode, iWidth, bCharCode)) { | |
IFX_Font* pFont = NULL; | |
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode); | |
if (iGlyph != 0xFFFF && pFont != NULL) { | |
if (pFont == (IFX_Font*)this) { | |
iWidth = m_pFont->GetGlyphWidth(iGlyph); | |
if (iWidth < 0) { | |
iWidth = -1; | |
} | |
} else if (((CFX_GEFont*)pFont) | |
->GetCharWidth(wUnicode, iWidth, FALSE, bCharCode)) { | |
return TRUE; | |
} | |
} else { | |
iWidth = -1; | |
} | |
} | |
Lock(); | |
m_pCharWidthMap->SetAtGrow(wUnicode, (int16_t)iWidth); | |
Unlock(); | |
} else if (iWidth == 65535) { | |
iWidth = -1; | |
} | |
return iWidth > 0; | |
} | |
FX_BOOL CFX_GEFont::GetCharBBox(FX_WCHAR wUnicode, | |
CFX_Rect& bbox, | |
FX_BOOL bCharCode) { | |
return GetCharBBox(wUnicode, bbox, TRUE, bCharCode); | |
} | |
FX_BOOL CFX_GEFont::GetCharBBox(FX_WCHAR wUnicode, | |
CFX_Rect& bbox, | |
FX_BOOL bRecursive, | |
FX_BOOL bCharCode) { | |
FXSYS_assert(m_pRectArray != NULL); | |
FXSYS_assert(m_pBBoxMap != NULL); | |
void* pRect = NULL; | |
if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) { | |
IFX_Font* pFont = NULL; | |
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode); | |
if (iGlyph != 0xFFFF && pFont != NULL) { | |
if (pFont == (IFX_Font*)this) { | |
FX_RECT rtBBox; | |
if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) { | |
Lock(); | |
CFX_Rect rt; | |
rt.Set(rtBBox.left, rtBBox.top, rtBBox.Width(), rtBBox.Height()); | |
int32_t index = m_pRectArray->Add(rt); | |
pRect = m_pRectArray->GetPtrAt(index); | |
m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect); | |
Unlock(); | |
} | |
} else if (((CFX_GEFont*)pFont) | |
->GetCharBBox(wUnicode, bbox, FALSE, bCharCode)) { | |
return TRUE; | |
} | |
} | |
} | |
if (pRect == NULL) { | |
return FALSE; | |
} | |
bbox = *(FX_LPCRECT)pRect; | |
return TRUE; | |
} | |
FX_BOOL CFX_GEFont::GetBBox(CFX_Rect& bbox) { | |
FX_RECT rt(0, 0, 0, 0); | |
FX_BOOL bRet = m_pFont->GetBBox(rt); | |
if (bRet) { | |
bbox.left = rt.left; | |
bbox.width = rt.Width(); | |
bbox.top = rt.bottom; | |
bbox.height = -rt.Height(); | |
} | |
return bRet; | |
} | |
int32_t CFX_GEFont::GetItalicAngle() const { | |
if (!m_pFont->GetSubstFont()) { | |
return 0; | |
} | |
return m_pFont->GetSubstFont()->m_ItalicAngle; | |
} | |
int32_t CFX_GEFont::GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode) { | |
return GetGlyphIndex(wUnicode, TRUE, NULL, bCharCode); | |
} | |
int32_t CFX_GEFont::GetGlyphIndex(FX_WCHAR wUnicode, | |
FX_BOOL bRecursive, | |
IFX_Font** ppFont, | |
FX_BOOL bCharCode) { | |
FXSYS_assert(m_pFontEncoding != NULL); | |
int32_t iGlyphIndex = m_pFontEncoding->GlyphFromCharCode(wUnicode); | |
if (iGlyphIndex > 0) { | |
if (ppFont != NULL) { | |
*ppFont = (IFX_Font*)this; | |
} | |
return iGlyphIndex; | |
} | |
FGAS_LPCFONTUSB pFontUSB = FGAS_GetUnicodeBitField(wUnicode); | |
if (pFontUSB == NULL) { | |
return 0xFFFF; | |
} | |
FX_WORD wBitField = pFontUSB->wBitField; | |
if (wBitField >= 128) { | |
return 0xFFFF; | |
} | |
IFX_Font* pFont = NULL; | |
m_FontMapper.Lookup((void*)(uintptr_t)wUnicode, (void*&)pFont); | |
if (pFont != NULL && pFont != (IFX_Font*)this) { | |
iGlyphIndex = | |
((CFX_GEFont*)pFont)->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode); | |
if (iGlyphIndex != 0xFFFF) { | |
int32_t i = m_SubstFonts.Find(pFont); | |
if (i > -1) { | |
iGlyphIndex |= ((i + 1) << 24); | |
if (ppFont != NULL) { | |
*ppFont = pFont; | |
} | |
return iGlyphIndex; | |
} | |
} | |
} | |
if (m_pFontMgr != NULL && bRecursive) { | |
CFX_WideString wsFamily; | |
GetFamilyName(wsFamily); | |
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
IFX_Font* pFont = m_pFontMgr->GetDefFontByUnicode( | |
wUnicode, GetFontStyles(), (const FX_WCHAR*)wsFamily); | |
#else | |
IFX_Font* pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(), | |
(const FX_WCHAR*)wsFamily); | |
if (NULL == pFont) { | |
pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(), NULL); | |
} | |
#endif | |
if (pFont != NULL) { | |
if (pFont == (IFX_Font*)this) { | |
pFont->Release(); | |
return 0xFFFF; | |
} | |
m_FontMapper.SetAt((void*)(uintptr_t)wUnicode, (void*)pFont); | |
int32_t i = m_SubstFonts.GetSize(); | |
m_SubstFonts.Add(pFont); | |
iGlyphIndex = | |
((CFX_GEFont*)pFont)->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode); | |
if (iGlyphIndex != 0xFFFF) { | |
iGlyphIndex |= ((i + 1) << 24); | |
if (ppFont != NULL) { | |
*ppFont = pFont; | |
} | |
return iGlyphIndex; | |
} | |
} | |
} | |
return 0xFFFF; | |
} | |
int32_t CFX_GEFont::GetAscent() const { | |
return m_pFont->GetAscent(); | |
} | |
int32_t CFX_GEFont::GetDescent() const { | |
return m_pFont->GetDescent(); | |
} | |
void CFX_GEFont::Reset() { | |
Lock(); | |
int32_t iCount = m_SubstFonts.GetSize(); | |
for (int32_t i = 0; i < iCount; i++) { | |
IFX_Font* pFont = (IFX_Font*)m_SubstFonts[i]; | |
((CFX_GEFont*)pFont)->Reset(); | |
} | |
if (m_pCharWidthMap != NULL) { | |
m_pCharWidthMap->RemoveAll(); | |
} | |
if (m_pBBoxMap != NULL) { | |
m_pBBoxMap->RemoveAll(); | |
} | |
if (m_pRectArray != NULL) { | |
m_pRectArray->RemoveAll(); | |
} | |
Unlock(); | |
} | |
IFX_Font* CFX_GEFont::GetSubstFont(int32_t iGlyphIndex) const { | |
iGlyphIndex = ((FX_DWORD)iGlyphIndex) >> 24; | |
return iGlyphIndex == 0 ? (IFX_Font*)this | |
: (IFX_Font*)m_SubstFonts[iGlyphIndex - 1]; | |
} | |
#endif |