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Unified Diff: xfa/src/fgas/src/font/fx_gdifont.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fgas/src/font/fx_gdifont.cpp
diff --git a/xfa/src/fgas/src/font/fx_gdifont.cpp b/xfa/src/fgas/src/font/fx_gdifont.cpp
index aa923b6a21552a2a03dc8deecf80f8dcea8241ad..c14db357094cffe98d945e2d5ffc5a73c8284d49 100644
--- a/xfa/src/fgas/src/font/fx_gdifont.cpp
+++ b/xfa/src/fgas/src/font/fx_gdifont.cpp
@@ -1,539 +1,539 @@
-// 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_gdifont.h"
-#include "fx_stdfontmgr.h"
-#ifdef _FXPLUS
-#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
- _FX_OS_ == _FX_WIN64_
-CFX_GdiFontCache::CFX_GdiFontCache() : m_GlyphMap(128) {}
-CFX_GdiFontCache::~CFX_GdiFontCache() {
- FX_POSITION pos = m_GlyphMap.GetStartPosition();
- int32_t iGlyph;
- FX_LPGDIGOCACHE pGlyph;
- while (pos != NULL) {
- pGlyph = NULL;
- m_GlyphMap.GetNextAssoc(pos, (void*&)iGlyph, (void*&)pGlyph);
- if (pGlyph != NULL) {
- FX_Free(pGlyph->pOutline);
- FX_Free(pGlyph);
- }
- }
- m_GlyphMap.RemoveAll();
-}
-void CFX_GdiFontCache::SetCachedGlyphOutline(FX_DWORD dwGlyph,
- const GLYPHMETRICS& gm,
- uint8_t* pOutline) {
- FXSYS_assert(pOutline != NULL);
- FX_LPGDIGOCACHE pGlyph = FX_Alloc(FX_GDIGOCACHE, 1);
- pGlyph->gm = gm;
- pGlyph->pOutline = pOutline;
- m_GlyphMap.SetAt((void*)dwGlyph, (void*)pGlyph);
-}
-FX_LPCGDIGOCACHE CFX_GdiFontCache::GetCachedGlyphOutline(
- FX_DWORD dwGlyph) const {
- FX_LPCGDIGOCACHE pGlyph = NULL;
- if (!m_GlyphMap.Lookup((void*)dwGlyph, (void*&)pGlyph)) {
- return FALSE;
- }
- return pGlyph;
-}
-IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFontFamily,
- FX_DWORD dwFontStyles,
- FX_WORD wCodePage,
- IFX_FontMgr* pFontMgr) {
- CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
- if (!pFont->LoadFont(pszFontFamily, dwFontStyles, wCodePage)) {
- pFont->Release();
- return NULL;
- }
- return pFont;
-}
-IFX_Font* IFX_Font::LoadFont(const uint8_t* pBuffer,
- int32_t iLength,
- IFX_FontMgr* pFontMgr) {
- CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
- if (!pFont->LoadFont(pBuffer, iLength)) {
- pFont->Release();
- return NULL;
- }
- return pFont;
-}
-IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFileName,
- IFX_FontMgr* pFontMgr) {
- CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
- if (!pFont->LoadFont(pszFileName)) {
- pFont->Release();
- return NULL;
- }
- return pFont;
-}
-IFX_Font* IFX_Font::LoadFont(IFX_Stream* pFontStream,
- IFX_FontMgr* pFontMgr,
- FX_BOOL bSaveStream) {
- CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
- if (!pFont->LoadFont(pFontStream)) {
- pFont->Release();
- return NULL;
- }
- return pFont;
-}
-IFX_Font* IFX_Font::LoadFont(CFX_Font* pExtFont, IFX_FontMgr* pFontMgr) {
- FXSYS_assert(FALSE);
- return NULL;
-}
-#define FX_GDIFONT_FONTCACHESIZE 8
-CFX_GdiFont::CFX_GdiFont(IFX_FontMgr* pFontMgr)
- : m_pFontMgr(pFontMgr),
- m_iRefCount(1),
- m_WidthCache(1024),
- m_hOldFont(NULL),
- m_hFont(NULL),
- m_hDC(NULL),
- m_wsFontFileName(),
- m_FontFamilies(),
- m_hRes(NULL),
- m_dwStyles(0),
- m_SubstFonts(),
- m_FontMapper(16),
- m_FontCache(FX_GDIFONT_FONTCACHESIZE) {
- m_hDC = ::CreateCompatibleDC(NULL);
- FX_memset(&m_LogFont, 0, sizeof(m_LogFont));
- FXSYS_assert(m_hDC != NULL);
-}
-CFX_GdiFont::~CFX_GdiFont() {
- 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_hFont != NULL) {
- ::SelectObject(m_hDC, m_hOldFont);
- ::DeleteObject(m_hFont);
- }
- ::DeleteDC(m_hDC);
- if (m_hRes != NULL) {
- if (m_wsFontFileName.GetLength() > 0) {
- ::RemoveFontResourceW((const FX_WCHAR*)m_wsFontFileName);
- } else {
- ::RemoveFontMemResourceEx(m_hRes);
- }
- }
- m_WidthCache.RemoveAll();
- ClearCache();
-}
-void CFX_GdiFont::ClearCache() {
- int32_t iCount = m_SubstFonts.GetSize();
- for (int32_t i = 0; i < iCount; i++) {
- IFX_Font* pFont = (IFX_Font*)m_SubstFonts[i];
- ((CFX_GdiFont*)pFont)->ClearCache();
- }
- FX_POSITION pos = m_FontCache.GetStartPosition();
- FX_DWORD dwMAT2;
- CFX_GdiFontCache* pCache;
- while (pos != NULL) {
- pCache = NULL;
- m_FontCache.GetNextAssoc(pos, (void*&)dwMAT2, (void*&)pCache);
- if (pCache != NULL) {
- delete pCache;
- }
- }
- m_FontCache.RemoveAll();
-}
-void CFX_GdiFont::Release() {
- if (--m_iRefCount < 1) {
- if (m_pFontMgr != NULL) {
- m_pFontMgr->RemoveFont(this);
- }
- delete this;
- }
-}
-IFX_Font* CFX_GdiFont::Retain() {
- ++m_iRefCount;
- return this;
-}
-FX_BOOL CFX_GdiFont::LoadFont(const FX_WCHAR* pszFontFamily,
- FX_DWORD dwFontStyles,
- FX_WORD wCodePage) {
- FXSYS_assert(m_hFont == NULL);
- LOGFONTW lf;
- FX_memset(&lf, 0, sizeof(lf));
- lf.lfHeight = -1000;
- lf.lfWeight = (dwFontStyles & FX_FONTSTYLE_Bold) ? FW_BOLD : FW_NORMAL;
- lf.lfItalic = (dwFontStyles & FX_FONTSTYLE_Italic) != 0;
- lf.lfPitchAndFamily =
- (dwFontStyles & FX_FONTSTYLE_FixedPitch) ? FIXED_PITCH : VARIABLE_PITCH;
- if (dwFontStyles & FX_FONTSTYLE_Serif) {
- lf.lfPitchAndFamily |= FF_ROMAN;
- }
- if (dwFontStyles & FX_FONTSTYLE_Script) {
- lf.lfPitchAndFamily |= FF_SCRIPT;
- }
- if (dwFontStyles & FX_FONTSTYLE_Symbolic) {
- lf.lfCharSet = SYMBOL_CHARSET;
- } else {
- FX_WORD wCharSet = FX_GetCharsetFromCodePage(wCodePage);
- lf.lfCharSet = wCharSet != 0xFFFF ? (uint8_t)wCharSet : DEFAULT_CHARSET;
- }
- if (pszFontFamily == NULL) {
- lf.lfFaceName[0] = L'\0';
- } else {
- FXSYS_wcsncpy(lf.lfFaceName, pszFontFamily, 31);
- }
- return LoadFont(lf);
-}
-FX_BOOL CFX_GdiFont::LoadFont(const uint8_t* pBuffer, int32_t iLength) {
- FXSYS_assert(m_hFont == NULL && pBuffer != NULL && iLength > 0);
- Gdiplus::PrivateFontCollection pfc;
- if (pfc.AddMemoryFont(pBuffer, iLength) != Gdiplus::Ok) {
- return FALSE;
- }
- if (GetFontFamilies(pfc) < 1) {
- return FALSE;
- }
- FX_DWORD dwCount = 0;
- m_hRes = ::AddFontMemResourceEx((void*)pBuffer, iLength, 0, &dwCount);
- if (m_hRes == NULL) {
- return FALSE;
- }
- CFX_WideString wsFamily = m_FontFamilies[0];
- m_hFont =
- ::CreateFontW(-1000, 0, 0, 0, FW_NORMAL, FALSE, 0, 0, DEFAULT_CHARSET, 0,
- 0, 0, 0, (const FX_WCHAR*)wsFamily);
- if (m_hFont == NULL) {
- ::RemoveFontMemResourceEx(m_hRes);
- m_hRes = NULL;
- return FALSE;
- }
- RetrieveFontStyles();
- m_hOldFont = ::SelectObject(m_hDC, m_hFont);
- ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
- return TRUE;
-}
-FX_BOOL CFX_GdiFont::LoadFont(const FX_WCHAR* pszFileName) {
- FXSYS_assert(m_hFont == NULL && pszFileName != NULL);
- Gdiplus::PrivateFontCollection pfc;
- if (pfc.AddFontFile(pszFileName) != Gdiplus::Ok) {
- return FALSE;
- }
- if (GetFontFamilies(pfc) < 1) {
- return FALSE;
- }
- m_wsFontFileName = pszFileName;
- m_hRes = (HANDLE)::AddFontResourceW(pszFileName);
- if (m_hRes == NULL) {
- return FALSE;
- }
- CFX_WideString wsFamily = m_FontFamilies[0];
- m_hFont =
- ::CreateFontW(-1000, 0, 0, 0, FW_NORMAL, FALSE, 0, 0, DEFAULT_CHARSET, 0,
- 0, 0, 0, (const FX_WCHAR*)wsFamily);
- if (m_hFont == NULL) {
- ::RemoveFontResourceW(pszFileName);
- m_hRes = NULL;
- return FALSE;
- }
- RetrieveFontStyles();
- ::SelectObject(m_hDC, m_hFont);
- ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
- return TRUE;
-}
-FX_BOOL CFX_GdiFont::LoadFont(IFX_Stream* pFontStream) {
- FXSYS_assert(m_hFont == NULL && pFontStream != NULL);
- int32_t iLength = pFontStream->GetLength();
- if (iLength < 1) {
- return FALSE;
- }
- uint8_t* pBuf = FX_Alloc(uint8_t, iLength);
- iLength = pFontStream->ReadData(pBuf, iLength);
- FX_BOOL bRet = LoadFont(pBuf, iLength);
- FX_Free(pBuf);
- return bRet;
-}
-FX_BOOL CFX_GdiFont::LoadFont(const LOGFONTW& lf) {
- FXSYS_assert(m_hFont == NULL);
- m_hFont = ::CreateFontIndirectW((LPLOGFONTW)&lf);
- if (m_hFont == NULL) {
- return FALSE;
- }
- RetrieveFontStyles();
- ::SelectObject(m_hDC, m_hFont);
- ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
- return TRUE;
-}
-int32_t CFX_GdiFont::GetFontFamilies(Gdiplus::FontCollection& fc) {
- int32_t iCount = fc.GetFamilyCount();
- if (iCount < 1) {
- return iCount;
- }
- Gdiplus::FontFamily* pFontFamilies = FX_Alloc(Gdiplus::FontFamily, iCount);
- int32_t iFind = 0;
- fc.GetFamilies(iCount, pFontFamilies, &iFind);
- for (int32_t i = 0; i < iCount; i++) {
- CFX_WideString wsFamilyName;
- FX_WCHAR* pName = wsFamilyName.GetBuffer(LF_FACESIZE);
- pFontFamilies[i].GetFamilyName(pName);
- wsFamilyName.ReleaseBuffer();
- m_FontFamilies.Add(wsFamilyName);
- }
- FX_Free(pFontFamilies);
- return iCount;
-}
-void CFX_GdiFont::RetrieveFontStyles() {
- FXSYS_assert(m_hFont != NULL);
- FX_memset(&m_LogFont, 0, sizeof(m_LogFont));
- ::GetObjectW(m_hFont, sizeof(m_LogFont), &m_LogFont);
- m_dwStyles = FX_GetGdiFontStyles(m_LogFont);
-}
-void CFX_GdiFont::GetFamilyName(CFX_WideString& wsFamily) const {
- FXSYS_assert(m_hFont != NULL);
- wsFamily = m_LogFont.lfFaceName;
-}
-FX_BOOL CFX_GdiFont::GetCharWidth(FX_WCHAR wUnicode,
- int32_t& iWidth,
- FX_BOOL bRecursive,
- FX_BOOL bCharCode) {
- iWidth = (int32_t)(int16_t)m_WidthCache.GetAt(wUnicode, 0);
- if (iWidth == 0 || iWidth == -1) {
- IFX_Font* pFont = NULL;
- int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
- if (iGlyph != 0xFFFF && pFont != NULL) {
- if (pFont == (IFX_Font*)this) {
- if (!::GetCharWidthI(m_hDC, iGlyph, 1, NULL, &iWidth)) {
- iWidth = -1;
- }
- } else if (((CFX_GdiFont*)pFont)
- ->GetCharWidth(wUnicode, iWidth, FALSE, bCharCode)) {
- return TRUE;
- }
- } else {
- iWidth = -1;
- }
- Lock();
- m_WidthCache.SetAtGrow(wUnicode, (int16_t)iWidth);
- Unlock();
- }
- return iWidth > 0;
-}
-FX_BOOL CFX_GdiFont::GetCharWidth(FX_WCHAR wUnicode,
- int32_t& iWidth,
- FX_BOOL bCharCode) {
- return GetCharWidth(wUnicode, iWidth, TRUE, bCharCode);
-}
-int32_t CFX_GdiFont::GetGlyphIndex(FX_WCHAR wUnicode,
- FX_BOOL bRecursive,
- IFX_Font** ppFont,
- FX_BOOL bCharCode) {
- int32_t iGlyph = 0XFFFF;
- if (::GetGlyphIndicesW(m_hDC, &wUnicode, 1, (LPWORD)&iGlyph,
- GGI_MARK_NONEXISTING_GLYPHS) != GDI_ERROR &&
- iGlyph != 0xFFFF) {
- if (ppFont != NULL) {
- *ppFont = (IFX_Font*)this;
- }
- return iGlyph;
- }
- FX_LPCFONTUSB pFontUSB = FX_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*)wBitField, (void*&)pFont);
- if (pFont != NULL && pFont != (IFX_Font*)this) {
- iGlyph =
- ((CFX_GdiFont*)pFont)->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
- if (iGlyph != 0xFFFF) {
- int32_t i = m_SubstFonts.Find(pFont);
- if (i > -1) {
- iGlyph |= ((i + 1) << 24);
- if (ppFont != NULL) {
- *ppFont = pFont;
- }
- return iGlyph;
- }
- }
- }
- if (m_pFontMgr != NULL && bRecursive) {
- IFX_Font* pFont = m_pFontMgr->GetDefFontByUnicode(wUnicode, m_dwStyles,
- m_LogFont.lfFaceName);
- if (pFont != NULL) {
- if (pFont == (IFX_Font*)this) {
- pFont->Release();
- return 0xFFFF;
- }
- m_FontMapper.SetAt((void*)wBitField, (void*)pFont);
- int32_t i = m_SubstFonts.GetSize();
- m_SubstFonts.Add(pFont);
- iGlyph = ((CFX_GdiFont*)pFont)
- ->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
- if (iGlyph != 0xFFFF) {
- iGlyph |= ((i + 1) << 24);
- if (ppFont != NULL) {
- *ppFont = pFont;
- }
- return iGlyph;
- }
- }
- }
- return 0xFFFF;
-}
-int32_t CFX_GdiFont::GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode) {
- return GetGlyphIndex(wUnicode, TRUE, NULL, bCharCode);
-}
-int32_t CFX_GdiFont::GetAscent() const {
- return m_OutlineTM.otmAscent;
-}
-int32_t CFX_GdiFont::GetDescent() const {
- return m_OutlineTM.otmDescent;
-}
-FX_BOOL CFX_GdiFont::GetCharBBox(FX_WCHAR wUnicode,
- CFX_Rect& bbox,
- FX_BOOL bCharCode) {
- int32_t iGlyphIndex = GetGlyphIndex(wUnicode, bCharCode);
- if (iGlyphIndex == 0xFFFF) {
- return FALSE;
- }
- IFX_Font* pFont = GetSubstFont(iGlyphIndex);
- if (pFont == NULL) {
- return FALSE;
- }
- GLYPHMETRICS gm;
- iGlyphIndex &= 0x00FFFFFF;
- static const MAT2 mat2 = {{0, 1}, {0, 0}, {0, 0}, {0, 1}};
- if (::GetGlyphOutlineW(((CFX_GdiFont*)pFont)->m_hDC, iGlyphIndex,
- GGO_GLYPH_INDEX | GGO_METRICS, &gm, 0, NULL,
- &mat2) != GDI_ERROR) {
- bbox.left = gm.gmptGlyphOrigin.x;
- bbox.top = gm.gmptGlyphOrigin.y;
- bbox.width = gm.gmBlackBoxX;
- bbox.height = gm.gmBlackBoxY;
- return TRUE;
- }
- return FALSE;
-}
-FX_BOOL CFX_GdiFont::GetBBox(CFX_Rect& bbox) {
- bbox.left = m_OutlineTM.otmrcFontBox.left;
- bbox.top = m_OutlineTM.otmrcFontBox.top;
- bbox.width = m_OutlineTM.otmrcFontBox.right - m_OutlineTM.otmrcFontBox.left;
- bbox.height = m_OutlineTM.otmrcFontBox.bottom - m_OutlineTM.otmrcFontBox.top;
- return TRUE;
-}
-int32_t CFX_GdiFont::GetItalicAngle() const {
- return m_OutlineTM.otmItalicAngle / 10;
-}
-void CFX_GdiFont::Reset() {
- Lock();
- m_WidthCache.RemoveAll();
- ClearCache();
- Unlock();
-}
-IFX_Font* CFX_GdiFont::GetSubstFont(int32_t iGlyphIndex) const {
- int32_t iHigher = (iGlyphIndex & 0x7F000000) >> 24;
- if (iHigher == 0) {
- return (IFX_Font*)this;
- }
- if (iHigher > m_SubstFonts.GetSize()) {
- return (IFX_Font*)this;
- }
- return (IFX_Font*)m_SubstFonts[iHigher - 1];
-}
-FX_DWORD CFX_GdiFont::GetGlyphDIBits(int32_t iGlyphIndex,
- FX_ARGB argb,
- const MAT2* pMatrix,
- GLYPHMETRICS& gm,
- void* pBuffer,
- FX_DWORD bufSize) {
- static const UINT uFormat = GGO_GLYPH_INDEX | GGO_GRAY8_BITMAP;
- IFX_Font* pFont = GetSubstFont(iGlyphIndex);
- if (pFont == NULL) {
- return 0;
- }
- if (pFont != (IFX_Font*)this) {
- return ((CFX_GdiFont*)pFont)
- ->GetGlyphDIBits(iGlyphIndex & 0x00FFFFFF, argb, pMatrix, gm, pBuffer,
- bufSize);
- }
- uint8_t* pGlyphOutline = NULL;
- FXSYS_assert(pMatrix != NULL);
- FX_DWORD dwMAT2 = GetMAT2HashCode((const FIXED*)pMatrix);
- CFX_GdiFontCache* pCache = NULL;
- if (m_FontCache.Lookup((void*)dwMAT2, (void*&)pCache) && pCache != NULL) {
- FX_LPCGDIGOCACHE pGO = pCache->GetCachedGlyphOutline(iGlyphIndex);
- if (pGO != NULL) {
- gm = pGO->gm;
- pGlyphOutline = pGO->pOutline;
- }
- }
- if (pGlyphOutline == NULL) {
- FX_DWORD dwGlyphSize =
- ::GetGlyphOutlineW(m_hDC, iGlyphIndex, uFormat, &gm, 0, NULL, pMatrix);
- if (dwGlyphSize == 0 || dwGlyphSize == GDI_ERROR) {
- return 0;
- }
- pGlyphOutline = FX_Alloc(uint8_t, dwGlyphSize);
- ::GetGlyphOutlineW(m_hDC, iGlyphIndex, uFormat, &gm, dwGlyphSize,
- pGlyphOutline, pMatrix);
- if (pCache == NULL) {
- pCache = new CFX_GdiFontCache;
- if (m_FontCache.GetCount() >= FX_GDIFONT_FONTCACHESIZE) {
- ClearCache();
- }
- m_FontCache.SetAt((void*)dwMAT2, (void*)pCache);
- }
- pCache->SetCachedGlyphOutline(iGlyphIndex, gm, pGlyphOutline);
- }
- FX_DWORD dwDibSize = gm.gmBlackBoxX * 4 * gm.gmBlackBoxY;
- if (pBuffer == NULL || bufSize < dwDibSize) {
- return dwDibSize;
- }
- CreateGlyphBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY, pGlyphOutline,
- (FX_DWORD*)pBuffer, argb);
- return dwDibSize;
-}
-FX_DWORD CFX_GdiFont::GetHashCode() const {
- return FX_GetFontHashCode(FX_GetCodePageFromCharset(m_LogFont.lfCharSet),
- FX_GetGdiFontStyles(m_LogFont));
-}
-FX_DWORD CFX_GdiFont::GetMAT2HashCode(const FIXED* pFixed) {
- FXSYS_assert(pFixed != NULL);
- FX_DWORD dwHash1 = 0, dwHash2 = 5381, dwRet;
- for (int i = 0; i < 4; i++) {
- dwRet = *((const FX_DWORD*)pFixed);
- dwHash1 = 1313 * dwHash1 + dwRet;
- dwHash2 += (dwHash2 << 5) + dwRet;
- pFixed++;
- }
- return ((dwHash1 & 0x0000FFFF) << 16) | (dwHash2 & 0x0000FFFF);
-}
-void CFX_GdiFont::CreateGlyphBitmap(int32_t iWidth,
- int32_t iHeight,
- uint8_t* pOutline,
- FX_DWORD* pDIB,
- FX_ARGB argb) {
- int32_t padding = ((iWidth + 3) / 4) * 4 - iWidth;
- FX_DWORD alpha;
- int32_t i, j;
- for (j = iHeight - 1; j >= 0; --j) {
- for (i = iWidth - 1; i >= 0; --i) {
- if ((alpha = *pOutline++) == 0) {
- *pDIB++ = 0;
- } else {
- alpha = (argb >> 24) * (alpha * 4 - 1) / 256;
- *pDIB++ = (alpha << 24) | (argb & 0x00FFFFFF);
- }
- }
- pOutline += padding;
- }
-}
-#endif
-#endif
+// 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_gdifont.h"
+#include "fx_stdfontmgr.h"
+#ifdef _FXPLUS
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
+ _FX_OS_ == _FX_WIN64_
+CFX_GdiFontCache::CFX_GdiFontCache() : m_GlyphMap(128) {}
+CFX_GdiFontCache::~CFX_GdiFontCache() {
+ FX_POSITION pos = m_GlyphMap.GetStartPosition();
+ int32_t iGlyph;
+ FX_LPGDIGOCACHE pGlyph;
+ while (pos != NULL) {
+ pGlyph = NULL;
+ m_GlyphMap.GetNextAssoc(pos, (void*&)iGlyph, (void*&)pGlyph);
+ if (pGlyph != NULL) {
+ FX_Free(pGlyph->pOutline);
+ FX_Free(pGlyph);
+ }
+ }
+ m_GlyphMap.RemoveAll();
+}
+void CFX_GdiFontCache::SetCachedGlyphOutline(FX_DWORD dwGlyph,
+ const GLYPHMETRICS& gm,
+ uint8_t* pOutline) {
+ FXSYS_assert(pOutline != NULL);
+ FX_LPGDIGOCACHE pGlyph = FX_Alloc(FX_GDIGOCACHE, 1);
+ pGlyph->gm = gm;
+ pGlyph->pOutline = pOutline;
+ m_GlyphMap.SetAt((void*)dwGlyph, (void*)pGlyph);
+}
+FX_LPCGDIGOCACHE CFX_GdiFontCache::GetCachedGlyphOutline(
+ FX_DWORD dwGlyph) const {
+ FX_LPCGDIGOCACHE pGlyph = NULL;
+ if (!m_GlyphMap.Lookup((void*)dwGlyph, (void*&)pGlyph)) {
+ return FALSE;
+ }
+ return pGlyph;
+}
+IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFontFamily,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage,
+ IFX_FontMgr* pFontMgr) {
+ CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
+ if (!pFont->LoadFont(pszFontFamily, dwFontStyles, wCodePage)) {
+ pFont->Release();
+ return NULL;
+ }
+ return pFont;
+}
+IFX_Font* IFX_Font::LoadFont(const uint8_t* pBuffer,
+ int32_t iLength,
+ IFX_FontMgr* pFontMgr) {
+ CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
+ if (!pFont->LoadFont(pBuffer, iLength)) {
+ pFont->Release();
+ return NULL;
+ }
+ return pFont;
+}
+IFX_Font* IFX_Font::LoadFont(const FX_WCHAR* pszFileName,
+ IFX_FontMgr* pFontMgr) {
+ CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
+ if (!pFont->LoadFont(pszFileName)) {
+ pFont->Release();
+ return NULL;
+ }
+ return pFont;
+}
+IFX_Font* IFX_Font::LoadFont(IFX_Stream* pFontStream,
+ IFX_FontMgr* pFontMgr,
+ FX_BOOL bSaveStream) {
+ CFX_GdiFont* pFont = new CFX_GdiFont(pFontMgr);
+ if (!pFont->LoadFont(pFontStream)) {
+ pFont->Release();
+ return NULL;
+ }
+ return pFont;
+}
+IFX_Font* IFX_Font::LoadFont(CFX_Font* pExtFont, IFX_FontMgr* pFontMgr) {
+ FXSYS_assert(FALSE);
+ return NULL;
+}
+#define FX_GDIFONT_FONTCACHESIZE 8
+CFX_GdiFont::CFX_GdiFont(IFX_FontMgr* pFontMgr)
+ : m_pFontMgr(pFontMgr),
+ m_iRefCount(1),
+ m_WidthCache(1024),
+ m_hOldFont(NULL),
+ m_hFont(NULL),
+ m_hDC(NULL),
+ m_wsFontFileName(),
+ m_FontFamilies(),
+ m_hRes(NULL),
+ m_dwStyles(0),
+ m_SubstFonts(),
+ m_FontMapper(16),
+ m_FontCache(FX_GDIFONT_FONTCACHESIZE) {
+ m_hDC = ::CreateCompatibleDC(NULL);
+ FX_memset(&m_LogFont, 0, sizeof(m_LogFont));
+ FXSYS_assert(m_hDC != NULL);
+}
+CFX_GdiFont::~CFX_GdiFont() {
+ 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_hFont != NULL) {
+ ::SelectObject(m_hDC, m_hOldFont);
+ ::DeleteObject(m_hFont);
+ }
+ ::DeleteDC(m_hDC);
+ if (m_hRes != NULL) {
+ if (m_wsFontFileName.GetLength() > 0) {
+ ::RemoveFontResourceW((const FX_WCHAR*)m_wsFontFileName);
+ } else {
+ ::RemoveFontMemResourceEx(m_hRes);
+ }
+ }
+ m_WidthCache.RemoveAll();
+ ClearCache();
+}
+void CFX_GdiFont::ClearCache() {
+ int32_t iCount = m_SubstFonts.GetSize();
+ for (int32_t i = 0; i < iCount; i++) {
+ IFX_Font* pFont = (IFX_Font*)m_SubstFonts[i];
+ ((CFX_GdiFont*)pFont)->ClearCache();
+ }
+ FX_POSITION pos = m_FontCache.GetStartPosition();
+ FX_DWORD dwMAT2;
+ CFX_GdiFontCache* pCache;
+ while (pos != NULL) {
+ pCache = NULL;
+ m_FontCache.GetNextAssoc(pos, (void*&)dwMAT2, (void*&)pCache);
+ if (pCache != NULL) {
+ delete pCache;
+ }
+ }
+ m_FontCache.RemoveAll();
+}
+void CFX_GdiFont::Release() {
+ if (--m_iRefCount < 1) {
+ if (m_pFontMgr != NULL) {
+ m_pFontMgr->RemoveFont(this);
+ }
+ delete this;
+ }
+}
+IFX_Font* CFX_GdiFont::Retain() {
+ ++m_iRefCount;
+ return this;
+}
+FX_BOOL CFX_GdiFont::LoadFont(const FX_WCHAR* pszFontFamily,
+ FX_DWORD dwFontStyles,
+ FX_WORD wCodePage) {
+ FXSYS_assert(m_hFont == NULL);
+ LOGFONTW lf;
+ FX_memset(&lf, 0, sizeof(lf));
+ lf.lfHeight = -1000;
+ lf.lfWeight = (dwFontStyles & FX_FONTSTYLE_Bold) ? FW_BOLD : FW_NORMAL;
+ lf.lfItalic = (dwFontStyles & FX_FONTSTYLE_Italic) != 0;
+ lf.lfPitchAndFamily =
+ (dwFontStyles & FX_FONTSTYLE_FixedPitch) ? FIXED_PITCH : VARIABLE_PITCH;
+ if (dwFontStyles & FX_FONTSTYLE_Serif) {
+ lf.lfPitchAndFamily |= FF_ROMAN;
+ }
+ if (dwFontStyles & FX_FONTSTYLE_Script) {
+ lf.lfPitchAndFamily |= FF_SCRIPT;
+ }
+ if (dwFontStyles & FX_FONTSTYLE_Symbolic) {
+ lf.lfCharSet = SYMBOL_CHARSET;
+ } else {
+ FX_WORD wCharSet = FX_GetCharsetFromCodePage(wCodePage);
+ lf.lfCharSet = wCharSet != 0xFFFF ? (uint8_t)wCharSet : DEFAULT_CHARSET;
+ }
+ if (pszFontFamily == NULL) {
+ lf.lfFaceName[0] = L'\0';
+ } else {
+ FXSYS_wcsncpy(lf.lfFaceName, pszFontFamily, 31);
+ }
+ return LoadFont(lf);
+}
+FX_BOOL CFX_GdiFont::LoadFont(const uint8_t* pBuffer, int32_t iLength) {
+ FXSYS_assert(m_hFont == NULL && pBuffer != NULL && iLength > 0);
+ Gdiplus::PrivateFontCollection pfc;
+ if (pfc.AddMemoryFont(pBuffer, iLength) != Gdiplus::Ok) {
+ return FALSE;
+ }
+ if (GetFontFamilies(pfc) < 1) {
+ return FALSE;
+ }
+ FX_DWORD dwCount = 0;
+ m_hRes = ::AddFontMemResourceEx((void*)pBuffer, iLength, 0, &dwCount);
+ if (m_hRes == NULL) {
+ return FALSE;
+ }
+ CFX_WideString wsFamily = m_FontFamilies[0];
+ m_hFont =
+ ::CreateFontW(-1000, 0, 0, 0, FW_NORMAL, FALSE, 0, 0, DEFAULT_CHARSET, 0,
+ 0, 0, 0, (const FX_WCHAR*)wsFamily);
+ if (m_hFont == NULL) {
+ ::RemoveFontMemResourceEx(m_hRes);
+ m_hRes = NULL;
+ return FALSE;
+ }
+ RetrieveFontStyles();
+ m_hOldFont = ::SelectObject(m_hDC, m_hFont);
+ ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
+ return TRUE;
+}
+FX_BOOL CFX_GdiFont::LoadFont(const FX_WCHAR* pszFileName) {
+ FXSYS_assert(m_hFont == NULL && pszFileName != NULL);
+ Gdiplus::PrivateFontCollection pfc;
+ if (pfc.AddFontFile(pszFileName) != Gdiplus::Ok) {
+ return FALSE;
+ }
+ if (GetFontFamilies(pfc) < 1) {
+ return FALSE;
+ }
+ m_wsFontFileName = pszFileName;
+ m_hRes = (HANDLE)::AddFontResourceW(pszFileName);
+ if (m_hRes == NULL) {
+ return FALSE;
+ }
+ CFX_WideString wsFamily = m_FontFamilies[0];
+ m_hFont =
+ ::CreateFontW(-1000, 0, 0, 0, FW_NORMAL, FALSE, 0, 0, DEFAULT_CHARSET, 0,
+ 0, 0, 0, (const FX_WCHAR*)wsFamily);
+ if (m_hFont == NULL) {
+ ::RemoveFontResourceW(pszFileName);
+ m_hRes = NULL;
+ return FALSE;
+ }
+ RetrieveFontStyles();
+ ::SelectObject(m_hDC, m_hFont);
+ ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
+ return TRUE;
+}
+FX_BOOL CFX_GdiFont::LoadFont(IFX_Stream* pFontStream) {
+ FXSYS_assert(m_hFont == NULL && pFontStream != NULL);
+ int32_t iLength = pFontStream->GetLength();
+ if (iLength < 1) {
+ return FALSE;
+ }
+ uint8_t* pBuf = FX_Alloc(uint8_t, iLength);
+ iLength = pFontStream->ReadData(pBuf, iLength);
+ FX_BOOL bRet = LoadFont(pBuf, iLength);
+ FX_Free(pBuf);
+ return bRet;
+}
+FX_BOOL CFX_GdiFont::LoadFont(const LOGFONTW& lf) {
+ FXSYS_assert(m_hFont == NULL);
+ m_hFont = ::CreateFontIndirectW((LPLOGFONTW)&lf);
+ if (m_hFont == NULL) {
+ return FALSE;
+ }
+ RetrieveFontStyles();
+ ::SelectObject(m_hDC, m_hFont);
+ ::GetOutlineTextMetricsW(m_hDC, sizeof(m_OutlineTM), &m_OutlineTM);
+ return TRUE;
+}
+int32_t CFX_GdiFont::GetFontFamilies(Gdiplus::FontCollection& fc) {
+ int32_t iCount = fc.GetFamilyCount();
+ if (iCount < 1) {
+ return iCount;
+ }
+ Gdiplus::FontFamily* pFontFamilies = FX_Alloc(Gdiplus::FontFamily, iCount);
+ int32_t iFind = 0;
+ fc.GetFamilies(iCount, pFontFamilies, &iFind);
+ for (int32_t i = 0; i < iCount; i++) {
+ CFX_WideString wsFamilyName;
+ FX_WCHAR* pName = wsFamilyName.GetBuffer(LF_FACESIZE);
+ pFontFamilies[i].GetFamilyName(pName);
+ wsFamilyName.ReleaseBuffer();
+ m_FontFamilies.Add(wsFamilyName);
+ }
+ FX_Free(pFontFamilies);
+ return iCount;
+}
+void CFX_GdiFont::RetrieveFontStyles() {
+ FXSYS_assert(m_hFont != NULL);
+ FX_memset(&m_LogFont, 0, sizeof(m_LogFont));
+ ::GetObjectW(m_hFont, sizeof(m_LogFont), &m_LogFont);
+ m_dwStyles = FX_GetGdiFontStyles(m_LogFont);
+}
+void CFX_GdiFont::GetFamilyName(CFX_WideString& wsFamily) const {
+ FXSYS_assert(m_hFont != NULL);
+ wsFamily = m_LogFont.lfFaceName;
+}
+FX_BOOL CFX_GdiFont::GetCharWidth(FX_WCHAR wUnicode,
+ int32_t& iWidth,
+ FX_BOOL bRecursive,
+ FX_BOOL bCharCode) {
+ iWidth = (int32_t)(int16_t)m_WidthCache.GetAt(wUnicode, 0);
+ if (iWidth == 0 || iWidth == -1) {
+ IFX_Font* pFont = NULL;
+ int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
+ if (iGlyph != 0xFFFF && pFont != NULL) {
+ if (pFont == (IFX_Font*)this) {
+ if (!::GetCharWidthI(m_hDC, iGlyph, 1, NULL, &iWidth)) {
+ iWidth = -1;
+ }
+ } else if (((CFX_GdiFont*)pFont)
+ ->GetCharWidth(wUnicode, iWidth, FALSE, bCharCode)) {
+ return TRUE;
+ }
+ } else {
+ iWidth = -1;
+ }
+ Lock();
+ m_WidthCache.SetAtGrow(wUnicode, (int16_t)iWidth);
+ Unlock();
+ }
+ return iWidth > 0;
+}
+FX_BOOL CFX_GdiFont::GetCharWidth(FX_WCHAR wUnicode,
+ int32_t& iWidth,
+ FX_BOOL bCharCode) {
+ return GetCharWidth(wUnicode, iWidth, TRUE, bCharCode);
+}
+int32_t CFX_GdiFont::GetGlyphIndex(FX_WCHAR wUnicode,
+ FX_BOOL bRecursive,
+ IFX_Font** ppFont,
+ FX_BOOL bCharCode) {
+ int32_t iGlyph = 0XFFFF;
+ if (::GetGlyphIndicesW(m_hDC, &wUnicode, 1, (LPWORD)&iGlyph,
+ GGI_MARK_NONEXISTING_GLYPHS) != GDI_ERROR &&
+ iGlyph != 0xFFFF) {
+ if (ppFont != NULL) {
+ *ppFont = (IFX_Font*)this;
+ }
+ return iGlyph;
+ }
+ FX_LPCFONTUSB pFontUSB = FX_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*)wBitField, (void*&)pFont);
+ if (pFont != NULL && pFont != (IFX_Font*)this) {
+ iGlyph =
+ ((CFX_GdiFont*)pFont)->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
+ if (iGlyph != 0xFFFF) {
+ int32_t i = m_SubstFonts.Find(pFont);
+ if (i > -1) {
+ iGlyph |= ((i + 1) << 24);
+ if (ppFont != NULL) {
+ *ppFont = pFont;
+ }
+ return iGlyph;
+ }
+ }
+ }
+ if (m_pFontMgr != NULL && bRecursive) {
+ IFX_Font* pFont = m_pFontMgr->GetDefFontByUnicode(wUnicode, m_dwStyles,
+ m_LogFont.lfFaceName);
+ if (pFont != NULL) {
+ if (pFont == (IFX_Font*)this) {
+ pFont->Release();
+ return 0xFFFF;
+ }
+ m_FontMapper.SetAt((void*)wBitField, (void*)pFont);
+ int32_t i = m_SubstFonts.GetSize();
+ m_SubstFonts.Add(pFont);
+ iGlyph = ((CFX_GdiFont*)pFont)
+ ->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
+ if (iGlyph != 0xFFFF) {
+ iGlyph |= ((i + 1) << 24);
+ if (ppFont != NULL) {
+ *ppFont = pFont;
+ }
+ return iGlyph;
+ }
+ }
+ }
+ return 0xFFFF;
+}
+int32_t CFX_GdiFont::GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode) {
+ return GetGlyphIndex(wUnicode, TRUE, NULL, bCharCode);
+}
+int32_t CFX_GdiFont::GetAscent() const {
+ return m_OutlineTM.otmAscent;
+}
+int32_t CFX_GdiFont::GetDescent() const {
+ return m_OutlineTM.otmDescent;
+}
+FX_BOOL CFX_GdiFont::GetCharBBox(FX_WCHAR wUnicode,
+ CFX_Rect& bbox,
+ FX_BOOL bCharCode) {
+ int32_t iGlyphIndex = GetGlyphIndex(wUnicode, bCharCode);
+ if (iGlyphIndex == 0xFFFF) {
+ return FALSE;
+ }
+ IFX_Font* pFont = GetSubstFont(iGlyphIndex);
+ if (pFont == NULL) {
+ return FALSE;
+ }
+ GLYPHMETRICS gm;
+ iGlyphIndex &= 0x00FFFFFF;
+ static const MAT2 mat2 = {{0, 1}, {0, 0}, {0, 0}, {0, 1}};
+ if (::GetGlyphOutlineW(((CFX_GdiFont*)pFont)->m_hDC, iGlyphIndex,
+ GGO_GLYPH_INDEX | GGO_METRICS, &gm, 0, NULL,
+ &mat2) != GDI_ERROR) {
+ bbox.left = gm.gmptGlyphOrigin.x;
+ bbox.top = gm.gmptGlyphOrigin.y;
+ bbox.width = gm.gmBlackBoxX;
+ bbox.height = gm.gmBlackBoxY;
+ return TRUE;
+ }
+ return FALSE;
+}
+FX_BOOL CFX_GdiFont::GetBBox(CFX_Rect& bbox) {
+ bbox.left = m_OutlineTM.otmrcFontBox.left;
+ bbox.top = m_OutlineTM.otmrcFontBox.top;
+ bbox.width = m_OutlineTM.otmrcFontBox.right - m_OutlineTM.otmrcFontBox.left;
+ bbox.height = m_OutlineTM.otmrcFontBox.bottom - m_OutlineTM.otmrcFontBox.top;
+ return TRUE;
+}
+int32_t CFX_GdiFont::GetItalicAngle() const {
+ return m_OutlineTM.otmItalicAngle / 10;
+}
+void CFX_GdiFont::Reset() {
+ Lock();
+ m_WidthCache.RemoveAll();
+ ClearCache();
+ Unlock();
+}
+IFX_Font* CFX_GdiFont::GetSubstFont(int32_t iGlyphIndex) const {
+ int32_t iHigher = (iGlyphIndex & 0x7F000000) >> 24;
+ if (iHigher == 0) {
+ return (IFX_Font*)this;
+ }
+ if (iHigher > m_SubstFonts.GetSize()) {
+ return (IFX_Font*)this;
+ }
+ return (IFX_Font*)m_SubstFonts[iHigher - 1];
+}
+FX_DWORD CFX_GdiFont::GetGlyphDIBits(int32_t iGlyphIndex,
+ FX_ARGB argb,
+ const MAT2* pMatrix,
+ GLYPHMETRICS& gm,
+ void* pBuffer,
+ FX_DWORD bufSize) {
+ static const UINT uFormat = GGO_GLYPH_INDEX | GGO_GRAY8_BITMAP;
+ IFX_Font* pFont = GetSubstFont(iGlyphIndex);
+ if (pFont == NULL) {
+ return 0;
+ }
+ if (pFont != (IFX_Font*)this) {
+ return ((CFX_GdiFont*)pFont)
+ ->GetGlyphDIBits(iGlyphIndex & 0x00FFFFFF, argb, pMatrix, gm, pBuffer,
+ bufSize);
+ }
+ uint8_t* pGlyphOutline = NULL;
+ FXSYS_assert(pMatrix != NULL);
+ FX_DWORD dwMAT2 = GetMAT2HashCode((const FIXED*)pMatrix);
+ CFX_GdiFontCache* pCache = NULL;
+ if (m_FontCache.Lookup((void*)dwMAT2, (void*&)pCache) && pCache != NULL) {
+ FX_LPCGDIGOCACHE pGO = pCache->GetCachedGlyphOutline(iGlyphIndex);
+ if (pGO != NULL) {
+ gm = pGO->gm;
+ pGlyphOutline = pGO->pOutline;
+ }
+ }
+ if (pGlyphOutline == NULL) {
+ FX_DWORD dwGlyphSize =
+ ::GetGlyphOutlineW(m_hDC, iGlyphIndex, uFormat, &gm, 0, NULL, pMatrix);
+ if (dwGlyphSize == 0 || dwGlyphSize == GDI_ERROR) {
+ return 0;
+ }
+ pGlyphOutline = FX_Alloc(uint8_t, dwGlyphSize);
+ ::GetGlyphOutlineW(m_hDC, iGlyphIndex, uFormat, &gm, dwGlyphSize,
+ pGlyphOutline, pMatrix);
+ if (pCache == NULL) {
+ pCache = new CFX_GdiFontCache;
+ if (m_FontCache.GetCount() >= FX_GDIFONT_FONTCACHESIZE) {
+ ClearCache();
+ }
+ m_FontCache.SetAt((void*)dwMAT2, (void*)pCache);
+ }
+ pCache->SetCachedGlyphOutline(iGlyphIndex, gm, pGlyphOutline);
+ }
+ FX_DWORD dwDibSize = gm.gmBlackBoxX * 4 * gm.gmBlackBoxY;
+ if (pBuffer == NULL || bufSize < dwDibSize) {
+ return dwDibSize;
+ }
+ CreateGlyphBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY, pGlyphOutline,
+ (FX_DWORD*)pBuffer, argb);
+ return dwDibSize;
+}
+FX_DWORD CFX_GdiFont::GetHashCode() const {
+ return FX_GetFontHashCode(FX_GetCodePageFromCharset(m_LogFont.lfCharSet),
+ FX_GetGdiFontStyles(m_LogFont));
+}
+FX_DWORD CFX_GdiFont::GetMAT2HashCode(const FIXED* pFixed) {
+ FXSYS_assert(pFixed != NULL);
+ FX_DWORD dwHash1 = 0, dwHash2 = 5381, dwRet;
+ for (int i = 0; i < 4; i++) {
+ dwRet = *((const FX_DWORD*)pFixed);
+ dwHash1 = 1313 * dwHash1 + dwRet;
+ dwHash2 += (dwHash2 << 5) + dwRet;
+ pFixed++;
+ }
+ return ((dwHash1 & 0x0000FFFF) << 16) | (dwHash2 & 0x0000FFFF);
+}
+void CFX_GdiFont::CreateGlyphBitmap(int32_t iWidth,
+ int32_t iHeight,
+ uint8_t* pOutline,
+ FX_DWORD* pDIB,
+ FX_ARGB argb) {
+ int32_t padding = ((iWidth + 3) / 4) * 4 - iWidth;
+ FX_DWORD alpha;
+ int32_t i, j;
+ for (j = iHeight - 1; j >= 0; --j) {
+ for (i = iWidth - 1; i >= 0; --i) {
+ if ((alpha = *pOutline++) == 0) {
+ *pDIB++ = 0;
+ } else {
+ alpha = (argb >> 24) * (alpha * 4 - 1) / 256;
+ *pDIB++ = (alpha << 24) | (argb & 0x00FFFFFF);
+ }
+ }
+ pOutline += padding;
+ }
+}
+#endif
+#endif
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