diff options
Diffstat (limited to 'core/src/fxge/ge/fx_ge_font.cpp')
| -rw-r--r-- | core/src/fxge/ge/fx_ge_font.cpp | 916 |
1 files changed, 458 insertions, 458 deletions
diff --git a/core/src/fxge/ge/fx_ge_font.cpp b/core/src/fxge/ge/fx_ge_font.cpp index e047d2ecb0..f3254ea3de 100644 --- a/core/src/fxge/ge/fx_ge_font.cpp +++ b/core/src/fxge/ge/fx_ge_font.cpp @@ -1,458 +1,458 @@ -// 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 "../../../include/fxge/fx_ge.h"
-#include "../../../include/fxge/fx_freetype.h"
-#include "text_int.h"
-#define EM_ADJUST(em, a) (em == 0?(a): (a)*1000/em)
-extern void _FPDFAPI_GetInternalFontData(int id1, FX_LPCBYTE& data, FX_DWORD& size);
-CFX_Font::CFX_Font()
-{
- m_pSubstFont = NULL;
- m_Face = NULL;
- m_bEmbedded = FALSE;
- m_bVertical = FALSE;
- m_pFontData = NULL;
- m_pFontDataAllocation = NULL;
- m_dwSize = 0;
- m_pOwnedStream = NULL;
- m_pGsubData = NULL;
- m_pPlatformFont = NULL;
- m_pPlatformFontCollection = NULL;
- m_pDwFont = NULL;
- m_hHandle = NULL;
- m_bDwLoaded = FALSE;
-}
-CFX_Font::~CFX_Font()
-{
- if (m_pSubstFont) {
- delete m_pSubstFont;
- m_pSubstFont = NULL;
- }
-#ifdef FOXIT_CHROME_BUILD
- if (m_pFontDataAllocation) {
- FX_Free(m_pFontDataAllocation);
- m_pFontDataAllocation = NULL;
- }
-#endif
- if (m_Face) {
-#ifdef FOXIT_CHROME_BUILD
- FXFT_Library library = FXFT_Get_Face_FreeType(m_Face);
- if (FXFT_Get_Face_External_Stream(m_Face)) {
- FXFT_Clear_Face_External_Stream(m_Face);
- }
-#endif
- if(m_bEmbedded) {
- DeleteFace();
- } else {
- CFX_GEModule::Get()->GetFontMgr()->ReleaseFace(m_Face);
- }
- }
- if (m_pOwnedStream) {
- FX_Free(m_pOwnedStream);
- m_pOwnedStream = NULL;
- }
- if (m_pGsubData) {
- FX_Free(m_pGsubData);
- m_pGsubData = NULL;
- }
-#if (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ && (!defined(_FPDFAPI_MINI_)))
- ReleasePlatformResource();
-#endif
-}
-void CFX_Font::DeleteFace()
-{
- FXFT_Done_Face(m_Face);
- m_Face = NULL;
-}
-FX_BOOL CFX_Font::LoadSubst(const CFX_ByteString& face_name, FX_BOOL bTrueType, FX_DWORD flags,
- int weight, int italic_angle, int CharsetCP, FX_BOOL bVertical)
-{
- m_bEmbedded = FALSE;
- m_bVertical = bVertical;
- m_pSubstFont = FX_NEW CFX_SubstFont;
- if (!m_pSubstFont) {
- return FALSE;
- }
- m_Face = CFX_GEModule::Get()->GetFontMgr()->FindSubstFont(face_name, bTrueType, flags, weight, italic_angle,
- CharsetCP, m_pSubstFont);
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if(m_pSubstFont->m_ExtHandle) {
- m_pPlatformFont = m_pSubstFont->m_ExtHandle;
- m_pSubstFont->m_ExtHandle = NULL;
- }
-#endif
- if (m_Face) {
- m_pFontData = FXFT_Get_Face_Stream_Base(m_Face);
- m_dwSize = FXFT_Get_Face_Stream_Size(m_Face);
- }
- return TRUE;
-}
-extern "C" {
- unsigned long _FTStreamRead(FXFT_Stream stream, unsigned long offset,
- unsigned char* buffer, unsigned long count)
- {
- if (count == 0) {
- return 0;
- }
- IFX_FileRead* pFile = (IFX_FileRead*)stream->descriptor.pointer;
- int res = pFile->ReadBlock(buffer, offset, count);
- if (res) {
- return count;
- }
- return 0;
- }
- void _FTStreamClose(FXFT_Stream stream)
- {
- }
-};
-FX_BOOL _LoadFile(FXFT_Library library, FXFT_Face* Face, IFX_FileRead* pFile, FXFT_Stream* stream)
-{
- FXFT_Stream stream1 = (FXFT_Stream)FX_Alloc(FX_BYTE, sizeof (FXFT_StreamRec));
- if (!stream1) {
- return FALSE;
- }
- stream1->base = NULL;
- stream1->size = (unsigned long)pFile->GetSize();
- stream1->pos = 0;
- stream1->descriptor.pointer = pFile;
- stream1->close = _FTStreamClose;
- stream1->read = _FTStreamRead;
- FXFT_Open_Args args;
- args.flags = FT_OPEN_STREAM;
- args.stream = stream1;
- if (FXFT_Open_Face(library, &args, 0, Face)) {
- FX_Free(stream1);
- return FALSE;
- }
- if (stream) {
- *stream = stream1;
- }
- return TRUE;
-}
-FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile)
-{
- m_bEmbedded = FALSE;
- FXFT_Library library;
- if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) {
- FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary);
- }
- library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary;
- FXFT_Stream stream = NULL;
- if (!_LoadFile(library, &m_Face, pFile, &stream)) {
- return FALSE;
- }
- m_pOwnedStream = stream;
- FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
- return TRUE;
-}
-int CFX_Font::GetGlyphWidth(FX_DWORD glyph_index)
-{
- if (!m_Face) {
- return 0;
- }
- if (m_pSubstFont && (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM)) {
- AdjustMMParams(glyph_index, 0, 0);
- }
- int err = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- if (err) {
- return 0;
- }
- int width = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriAdvance(m_Face));
- return width;
-}
-static FXFT_Face FT_LoadFont(FX_LPBYTE pData, int size)
-{
- FXFT_Library library;
- if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) {
- FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary);
- }
- library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary;
- FXFT_Face face;
- int error = FXFT_New_Memory_Face(library, pData, size, 0, &face);
- if (error) {
- return NULL;
- }
- error = FXFT_Set_Pixel_Sizes(face, 64, 64);
- if (error) {
- return NULL;
- }
- return face;
-}
-FX_BOOL CFX_Font::LoadEmbedded(FX_LPCBYTE data, FX_DWORD size)
-{
-#ifdef FOXIT_CHROME_BUILD
- m_pFontDataAllocation = FX_Alloc(FX_BYTE, size);
- if (!m_pFontDataAllocation) {
- return FALSE;
- }
- FXSYS_memcpy32(m_pFontDataAllocation, data, size);
- m_Face = FT_LoadFont((FX_LPBYTE)m_pFontDataAllocation, size);
- m_pFontData = (FX_LPBYTE)m_pFontDataAllocation;
-#else
- m_Face = FT_LoadFont((FX_LPBYTE)data, size);
- m_pFontData = (FX_LPBYTE)data;
-#endif
- m_bEmbedded = TRUE;
- m_dwSize = size;
- return m_Face != NULL;
-}
-FX_BOOL CFX_Font::IsTTFont()
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- return FXFT_Is_Face_TT_OT(m_Face) == FXFT_FACE_FLAG_SFNT;
-}
-int CFX_Font::GetAscent() const
-{
- if (m_Face == NULL) {
- return 0;
- }
- int ascent = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Ascender(m_Face));
- return ascent;
-}
-int CFX_Font::GetDescent() const
-{
- if (m_Face == NULL) {
- return 0;
- }
- int descent = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Descender(m_Face));
- return descent;
-}
-FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT &bbox)
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- if (FXFT_Is_Face_Tricky(m_Face)) {
- int error = FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72);
- if (error) {
- return FALSE;
- }
- error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- if (error) {
- return FALSE;
- }
- FXFT_BBox cbox;
- FT_Glyph glyph;
- error = FXFT_Get_Glyph(((FXFT_Face)m_Face)->glyph, &glyph);
- if (error) {
- return FALSE;
- }
- FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
- int pixel_size_x = ((FXFT_Face)m_Face)->size->metrics.x_ppem,
- pixel_size_y = ((FXFT_Face)m_Face)->size->metrics.y_ppem;
- if (pixel_size_x == 0 || pixel_size_y == 0) {
- bbox.left = cbox.xMin;
- bbox.right = cbox.xMax;
- bbox.top = cbox.yMax;
- bbox.bottom = cbox.yMin;
- } else {
- bbox.left = cbox.xMin * 1000 / pixel_size_x;
- bbox.right = cbox.xMax * 1000 / pixel_size_x;
- bbox.top = cbox.yMax * 1000 / pixel_size_y;
- bbox.bottom = cbox.yMin * 1000 / pixel_size_y;
- }
- if (bbox.top > FXFT_Get_Face_Ascender(m_Face)) {
- bbox.top = FXFT_Get_Face_Ascender(m_Face);
- }
- if (bbox.bottom < FXFT_Get_Face_Descender(m_Face)) {
- bbox.bottom = FXFT_Get_Face_Descender(m_Face);
- }
- FT_Done_Glyph(glyph);
- return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
- }
- if (FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
- return FALSE;
- }
- int em = FXFT_Get_Face_UnitsPerEM(m_Face);
- if (em == 0) {
- bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face);
- bbox.bottom = FXFT_Get_Glyph_HoriBearingY(m_Face);
- bbox.top = bbox.bottom - FXFT_Get_Glyph_Height(m_Face);
- bbox.right = bbox.left + FXFT_Get_Glyph_Width(m_Face);
- } else {
- bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face) * 1000 / em;
- bbox.top = (FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face)) * 1000 / em;
- bbox.right = (FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face)) * 1000 / em;
- bbox.bottom = (FXFT_Get_Glyph_HoriBearingY(m_Face)) * 1000 / em;
- }
- return TRUE;
-}
-FX_BOOL CFX_Font::IsItalic()
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- FX_BOOL ret = FXFT_Is_Face_Italic(m_Face) == FXFT_STYLE_FLAG_ITALIC;
- if (!ret) {
- CFX_ByteString str(FXFT_Get_Face_Style_Name(m_Face));
- str.MakeLower();
- if (str.Find("italic") != -1) {
- ret = TRUE;
- }
- }
- return ret;
-}
-FX_BOOL CFX_Font::IsBold()
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- return FXFT_Is_Face_Bold(m_Face) == FXFT_STYLE_FLAG_BOLD;
-}
-FX_BOOL CFX_Font::IsFixedWidth()
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- return FXFT_Is_Face_fixedwidth(m_Face);
-}
-CFX_WideString CFX_Font::GetPsName() const
-{
- if (m_Face == NULL) {
- return CFX_WideString();
- }
- CFX_WideString psName = CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(m_Face));
- if (psName.IsEmpty()) {
- psName = CFX_WideString::FromLocal("Untitled");
- }
- return psName;
-}
-CFX_ByteString CFX_Font::GetFamilyName() const
-{
- if (m_Face == NULL && m_pSubstFont == NULL) {
- return CFX_ByteString();
- }
- if (m_Face) {
- return CFX_ByteString(FXFT_Get_Face_Family_Name(m_Face));
- } else {
- return m_pSubstFont->m_Family;
- }
-}
-CFX_ByteString CFX_Font::GetFaceName() const
-{
- if (m_Face == NULL && m_pSubstFont == NULL) {
- return CFX_ByteString();
- }
- if (m_Face) {
- CFX_ByteString facename;
- CFX_ByteString style = CFX_ByteString(FXFT_Get_Face_Style_Name(m_Face));
- facename = GetFamilyName();
- if (facename.IsEmpty()) {
- facename = "Untitled";
- }
- if (!style.IsEmpty() && style != "Regular") {
- facename += " " + style;
- }
- return facename;
- } else {
- return m_pSubstFont->m_Family;
- }
-}
-FX_BOOL CFX_Font::GetBBox(FX_RECT &bbox)
-{
- if (m_Face == NULL) {
- return FALSE;
- }
- int em = FXFT_Get_Face_UnitsPerEM(m_Face);
- if (em == 0) {
- bbox.left = FXFT_Get_Face_xMin(m_Face);
- bbox.bottom = FXFT_Get_Face_yMax(m_Face);
- bbox.top = FXFT_Get_Face_yMin(m_Face);
- bbox.right = FXFT_Get_Face_xMax(m_Face);
- } else {
- bbox.left = FXFT_Get_Face_xMin(m_Face) * 1000 / em;
- bbox.top = FXFT_Get_Face_yMin(m_Face) * 1000 / em;
- bbox.right = FXFT_Get_Face_xMax(m_Face) * 1000 / em;
- bbox.bottom = FXFT_Get_Face_yMax(m_Face) * 1000 / em;
- }
- return TRUE;
-}
-int CFX_Font::GetHeight()
-{
- if (m_Face == NULL) {
- return 0;
- }
- int height = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Height(m_Face));
- return height;
-}
-int CFX_Font::GetMaxAdvanceWidth()
-{
- if (m_Face == NULL) {
- return 0;
- }
- int width = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_MaxAdvanceWidth(m_Face));
- return width;
-}
-int CFX_Font::GetULPos()
-{
- if (m_Face == NULL) {
- return 0;
- }
- int pos = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_UnderLinePosition(m_Face));
- return pos;
-}
-int CFX_Font::GetULthickness()
-{
- if (m_Face == NULL) {
- return 0;
- }
- int thickness = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_UnderLineThickness(m_Face));
- return thickness;
-}
-CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont)
-{
- m_pFont = pFont;
-}
-FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCode(FX_DWORD charcode)
-{
- FXFT_Face face = m_pFont->GetFace();
- if (!face) {
- return charcode;
- }
- if (FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE) == 0) {
- return FXFT_Get_Char_Index(face, charcode);
- }
- if (m_pFont->m_pSubstFont && m_pFont->m_pSubstFont->m_Charset == 2) {
- FX_DWORD index = 0;
- if (FXFT_Select_Charmap(face, FXFT_ENCODING_MS_SYMBOL) == 0) {
- index = FXFT_Get_Char_Index(face, charcode);
- }
- if (!index && !FXFT_Select_Charmap(face, FXFT_ENCODING_APPLE_ROMAN)) {
- return FXFT_Get_Char_Index(face, charcode);
- }
- }
- return charcode;
-}
-FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCodeEx(FX_DWORD charcode, int encoding)
-{
- FXFT_Face face = m_pFont->GetFace();
- if (!face) {
- return charcode;
- }
- if (encoding == ENCODING_UNICODE) {
- return GlyphFromCharCode(charcode);
- } else {
- int nmaps = FXFT_Get_Face_CharmapCount(m_pFont->m_Face);
- int i = 0;
- while (i < nmaps) {
- int encoding = FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i++]);
- if (encoding != FXFT_ENCODING_UNICODE) {
- FXFT_Select_Charmap(face, encoding);
- break;
- }
- }
- }
- return FXFT_Get_Char_Index(face, charcode);
-}
-IFX_FontEncoding* FXGE_CreateUnicodeEncoding(CFX_Font* pFont)
-{
- CFX_UnicodeEncoding* pEncoding = NULL;
- pEncoding = FX_NEW CFX_UnicodeEncoding(pFont);
- return pEncoding;
-}
+// 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 "../../../include/fxge/fx_ge.h" +#include "../../../include/fxge/fx_freetype.h" +#include "text_int.h" +#define EM_ADJUST(em, a) (em == 0?(a): (a)*1000/em) +extern void _FPDFAPI_GetInternalFontData(int id1, FX_LPCBYTE& data, FX_DWORD& size); +CFX_Font::CFX_Font() +{ + m_pSubstFont = NULL; + m_Face = NULL; + m_bEmbedded = FALSE; + m_bVertical = FALSE; + m_pFontData = NULL; + m_pFontDataAllocation = NULL; + m_dwSize = 0; + m_pOwnedStream = NULL; + m_pGsubData = NULL; + m_pPlatformFont = NULL; + m_pPlatformFontCollection = NULL; + m_pDwFont = NULL; + m_hHandle = NULL; + m_bDwLoaded = FALSE; +} +CFX_Font::~CFX_Font() +{ + if (m_pSubstFont) { + delete m_pSubstFont; + m_pSubstFont = NULL; + } +#ifdef FOXIT_CHROME_BUILD + if (m_pFontDataAllocation) { + FX_Free(m_pFontDataAllocation); + m_pFontDataAllocation = NULL; + } +#endif + if (m_Face) { +#ifdef FOXIT_CHROME_BUILD + FXFT_Library library = FXFT_Get_Face_FreeType(m_Face); + if (FXFT_Get_Face_External_Stream(m_Face)) { + FXFT_Clear_Face_External_Stream(m_Face); + } +#endif + if(m_bEmbedded) { + DeleteFace(); + } else { + CFX_GEModule::Get()->GetFontMgr()->ReleaseFace(m_Face); + } + } + if (m_pOwnedStream) { + FX_Free(m_pOwnedStream); + m_pOwnedStream = NULL; + } + if (m_pGsubData) { + FX_Free(m_pGsubData); + m_pGsubData = NULL; + } +#if (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ && (!defined(_FPDFAPI_MINI_))) + ReleasePlatformResource(); +#endif +} +void CFX_Font::DeleteFace() +{ + FXFT_Done_Face(m_Face); + m_Face = NULL; +} +FX_BOOL CFX_Font::LoadSubst(const CFX_ByteString& face_name, FX_BOOL bTrueType, FX_DWORD flags, + int weight, int italic_angle, int CharsetCP, FX_BOOL bVertical) +{ + m_bEmbedded = FALSE; + m_bVertical = bVertical; + m_pSubstFont = FX_NEW CFX_SubstFont; + if (!m_pSubstFont) { + return FALSE; + } + m_Face = CFX_GEModule::Get()->GetFontMgr()->FindSubstFont(face_name, bTrueType, flags, weight, italic_angle, + CharsetCP, m_pSubstFont); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if(m_pSubstFont->m_ExtHandle) { + m_pPlatformFont = m_pSubstFont->m_ExtHandle; + m_pSubstFont->m_ExtHandle = NULL; + } +#endif + if (m_Face) { + m_pFontData = FXFT_Get_Face_Stream_Base(m_Face); + m_dwSize = FXFT_Get_Face_Stream_Size(m_Face); + } + return TRUE; +} +extern "C" { + unsigned long _FTStreamRead(FXFT_Stream stream, unsigned long offset, + unsigned char* buffer, unsigned long count) + { + if (count == 0) { + return 0; + } + IFX_FileRead* pFile = (IFX_FileRead*)stream->descriptor.pointer; + int res = pFile->ReadBlock(buffer, offset, count); + if (res) { + return count; + } + return 0; + } + void _FTStreamClose(FXFT_Stream stream) + { + } +}; +FX_BOOL _LoadFile(FXFT_Library library, FXFT_Face* Face, IFX_FileRead* pFile, FXFT_Stream* stream) +{ + FXFT_Stream stream1 = (FXFT_Stream)FX_Alloc(FX_BYTE, sizeof (FXFT_StreamRec)); + if (!stream1) { + return FALSE; + } + stream1->base = NULL; + stream1->size = (unsigned long)pFile->GetSize(); + stream1->pos = 0; + stream1->descriptor.pointer = pFile; + stream1->close = _FTStreamClose; + stream1->read = _FTStreamRead; + FXFT_Open_Args args; + args.flags = FT_OPEN_STREAM; + args.stream = stream1; + if (FXFT_Open_Face(library, &args, 0, Face)) { + FX_Free(stream1); + return FALSE; + } + if (stream) { + *stream = stream1; + } + return TRUE; +} +FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile) +{ + m_bEmbedded = FALSE; + FXFT_Library library; + if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) { + FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary); + } + library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary; + FXFT_Stream stream = NULL; + if (!_LoadFile(library, &m_Face, pFile, &stream)) { + return FALSE; + } + m_pOwnedStream = stream; + FXFT_Set_Pixel_Sizes(m_Face, 0, 64); + return TRUE; +} +int CFX_Font::GetGlyphWidth(FX_DWORD glyph_index) +{ + if (!m_Face) { + return 0; + } + if (m_pSubstFont && (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM)) { + AdjustMMParams(glyph_index, 0, 0); + } + int err = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); + if (err) { + return 0; + } + int width = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriAdvance(m_Face)); + return width; +} +static FXFT_Face FT_LoadFont(FX_LPBYTE pData, int size) +{ + FXFT_Library library; + if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) { + FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary); + } + library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary; + FXFT_Face face; + int error = FXFT_New_Memory_Face(library, pData, size, 0, &face); + if (error) { + return NULL; + } + error = FXFT_Set_Pixel_Sizes(face, 64, 64); + if (error) { + return NULL; + } + return face; +} +FX_BOOL CFX_Font::LoadEmbedded(FX_LPCBYTE data, FX_DWORD size) +{ +#ifdef FOXIT_CHROME_BUILD + m_pFontDataAllocation = FX_Alloc(FX_BYTE, size); + if (!m_pFontDataAllocation) { + return FALSE; + } + FXSYS_memcpy32(m_pFontDataAllocation, data, size); + m_Face = FT_LoadFont((FX_LPBYTE)m_pFontDataAllocation, size); + m_pFontData = (FX_LPBYTE)m_pFontDataAllocation; +#else + m_Face = FT_LoadFont((FX_LPBYTE)data, size); + m_pFontData = (FX_LPBYTE)data; +#endif + m_bEmbedded = TRUE; + m_dwSize = size; + return m_Face != NULL; +} +FX_BOOL CFX_Font::IsTTFont() +{ + if (m_Face == NULL) { + return FALSE; + } + return FXFT_Is_Face_TT_OT(m_Face) == FXFT_FACE_FLAG_SFNT; +} +int CFX_Font::GetAscent() const +{ + if (m_Face == NULL) { + return 0; + } + int ascent = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Ascender(m_Face)); + return ascent; +} +int CFX_Font::GetDescent() const +{ + if (m_Face == NULL) { + return 0; + } + int descent = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Descender(m_Face)); + return descent; +} +FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT &bbox) +{ + if (m_Face == NULL) { + return FALSE; + } + if (FXFT_Is_Face_Tricky(m_Face)) { + int error = FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72); + if (error) { + return FALSE; + } + error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); + if (error) { + return FALSE; + } + FXFT_BBox cbox; + FT_Glyph glyph; + error = FXFT_Get_Glyph(((FXFT_Face)m_Face)->glyph, &glyph); + if (error) { + return FALSE; + } + FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); + int pixel_size_x = ((FXFT_Face)m_Face)->size->metrics.x_ppem, + pixel_size_y = ((FXFT_Face)m_Face)->size->metrics.y_ppem; + if (pixel_size_x == 0 || pixel_size_y == 0) { + bbox.left = cbox.xMin; + bbox.right = cbox.xMax; + bbox.top = cbox.yMax; + bbox.bottom = cbox.yMin; + } else { + bbox.left = cbox.xMin * 1000 / pixel_size_x; + bbox.right = cbox.xMax * 1000 / pixel_size_x; + bbox.top = cbox.yMax * 1000 / pixel_size_y; + bbox.bottom = cbox.yMin * 1000 / pixel_size_y; + } + if (bbox.top > FXFT_Get_Face_Ascender(m_Face)) { + bbox.top = FXFT_Get_Face_Ascender(m_Face); + } + if (bbox.bottom < FXFT_Get_Face_Descender(m_Face)) { + bbox.bottom = FXFT_Get_Face_Descender(m_Face); + } + FT_Done_Glyph(glyph); + return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0; + } + if (FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) { + return FALSE; + } + int em = FXFT_Get_Face_UnitsPerEM(m_Face); + if (em == 0) { + bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face); + bbox.bottom = FXFT_Get_Glyph_HoriBearingY(m_Face); + bbox.top = bbox.bottom - FXFT_Get_Glyph_Height(m_Face); + bbox.right = bbox.left + FXFT_Get_Glyph_Width(m_Face); + } else { + bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face) * 1000 / em; + bbox.top = (FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face)) * 1000 / em; + bbox.right = (FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face)) * 1000 / em; + bbox.bottom = (FXFT_Get_Glyph_HoriBearingY(m_Face)) * 1000 / em; + } + return TRUE; +} +FX_BOOL CFX_Font::IsItalic() +{ + if (m_Face == NULL) { + return FALSE; + } + FX_BOOL ret = FXFT_Is_Face_Italic(m_Face) == FXFT_STYLE_FLAG_ITALIC; + if (!ret) { + CFX_ByteString str(FXFT_Get_Face_Style_Name(m_Face)); + str.MakeLower(); + if (str.Find("italic") != -1) { + ret = TRUE; + } + } + return ret; +} +FX_BOOL CFX_Font::IsBold() +{ + if (m_Face == NULL) { + return FALSE; + } + return FXFT_Is_Face_Bold(m_Face) == FXFT_STYLE_FLAG_BOLD; +} +FX_BOOL CFX_Font::IsFixedWidth() +{ + if (m_Face == NULL) { + return FALSE; + } + return FXFT_Is_Face_fixedwidth(m_Face); +} +CFX_WideString CFX_Font::GetPsName() const +{ + if (m_Face == NULL) { + return CFX_WideString(); + } + CFX_WideString psName = CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(m_Face)); + if (psName.IsEmpty()) { + psName = CFX_WideString::FromLocal("Untitled"); + } + return psName; +} +CFX_ByteString CFX_Font::GetFamilyName() const +{ + if (m_Face == NULL && m_pSubstFont == NULL) { + return CFX_ByteString(); + } + if (m_Face) { + return CFX_ByteString(FXFT_Get_Face_Family_Name(m_Face)); + } else { + return m_pSubstFont->m_Family; + } +} +CFX_ByteString CFX_Font::GetFaceName() const +{ + if (m_Face == NULL && m_pSubstFont == NULL) { + return CFX_ByteString(); + } + if (m_Face) { + CFX_ByteString facename; + CFX_ByteString style = CFX_ByteString(FXFT_Get_Face_Style_Name(m_Face)); + facename = GetFamilyName(); + if (facename.IsEmpty()) { + facename = "Untitled"; + } + if (!style.IsEmpty() && style != "Regular") { + facename += " " + style; + } + return facename; + } else { + return m_pSubstFont->m_Family; + } +} +FX_BOOL CFX_Font::GetBBox(FX_RECT &bbox) +{ + if (m_Face == NULL) { + return FALSE; + } + int em = FXFT_Get_Face_UnitsPerEM(m_Face); + if (em == 0) { + bbox.left = FXFT_Get_Face_xMin(m_Face); + bbox.bottom = FXFT_Get_Face_yMax(m_Face); + bbox.top = FXFT_Get_Face_yMin(m_Face); + bbox.right = FXFT_Get_Face_xMax(m_Face); + } else { + bbox.left = FXFT_Get_Face_xMin(m_Face) * 1000 / em; + bbox.top = FXFT_Get_Face_yMin(m_Face) * 1000 / em; + bbox.right = FXFT_Get_Face_xMax(m_Face) * 1000 / em; + bbox.bottom = FXFT_Get_Face_yMax(m_Face) * 1000 / em; + } + return TRUE; +} +int CFX_Font::GetHeight() +{ + if (m_Face == NULL) { + return 0; + } + int height = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_Height(m_Face)); + return height; +} +int CFX_Font::GetMaxAdvanceWidth() +{ + if (m_Face == NULL) { + return 0; + } + int width = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_MaxAdvanceWidth(m_Face)); + return width; +} +int CFX_Font::GetULPos() +{ + if (m_Face == NULL) { + return 0; + } + int pos = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_UnderLinePosition(m_Face)); + return pos; +} +int CFX_Font::GetULthickness() +{ + if (m_Face == NULL) { + return 0; + } + int thickness = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Face_UnderLineThickness(m_Face)); + return thickness; +} +CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont) +{ + m_pFont = pFont; +} +FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCode(FX_DWORD charcode) +{ + FXFT_Face face = m_pFont->GetFace(); + if (!face) { + return charcode; + } + if (FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE) == 0) { + return FXFT_Get_Char_Index(face, charcode); + } + if (m_pFont->m_pSubstFont && m_pFont->m_pSubstFont->m_Charset == 2) { + FX_DWORD index = 0; + if (FXFT_Select_Charmap(face, FXFT_ENCODING_MS_SYMBOL) == 0) { + index = FXFT_Get_Char_Index(face, charcode); + } + if (!index && !FXFT_Select_Charmap(face, FXFT_ENCODING_APPLE_ROMAN)) { + return FXFT_Get_Char_Index(face, charcode); + } + } + return charcode; +} +FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCodeEx(FX_DWORD charcode, int encoding) +{ + FXFT_Face face = m_pFont->GetFace(); + if (!face) { + return charcode; + } + if (encoding == ENCODING_UNICODE) { + return GlyphFromCharCode(charcode); + } else { + int nmaps = FXFT_Get_Face_CharmapCount(m_pFont->m_Face); + int i = 0; + while (i < nmaps) { + int encoding = FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i++]); + if (encoding != FXFT_ENCODING_UNICODE) { + FXFT_Select_Charmap(face, encoding); + break; + } + } + } + return FXFT_Get_Char_Index(face, charcode); +} +IFX_FontEncoding* FXGE_CreateUnicodeEncoding(CFX_Font* pFont) +{ + CFX_UnicodeEncoding* pEncoding = NULL; + pEncoding = FX_NEW CFX_UnicodeEncoding(pFont); + return pEncoding; +} |