Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1038)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: core/src/fxge/ge/fx_ge_font.cpp

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « core/src/fxge/ge/fx_ge_device.cpp ('k') | core/src/fxge/ge/fx_ge_fontmap.cpp » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: core/src/fxge/ge/fx_ge_font.cpp
diff --git a/core/src/fxge/ge/fx_ge_font.cpp b/core/src/fxge/ge/fx_ge_font.cpp
deleted file mode 100644
index 672c28d86b5eef1eb1db685a826e37a12dc9b9c6..0000000000000000000000000000000000000000
--- a/core/src/fxge/ge/fx_ge_font.cpp
+++ /dev/null
@@ -1,555 +0,0 @@
-// 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 "core/include/fxge/fx_freetype.h"
-#include "core/include/fxge/fx_ge.h"
-#include "core/src/fxge/ge/fx_text_int.h"
-
-#define EM_ADJUST(em, a) (em == 0 ? (a) : (a)*1000 / em)
-
-#ifdef PDF_ENABLE_XFA
-extern void _FPDFAPI_GetInternalFontData(int id1,
- const uint8_t*& data,
- FX_DWORD& size);
-#endif // PDF_ENABLE_XFA
-
-namespace {
-
-#ifdef PDF_ENABLE_XFA
-const FX_DWORD g_EncodingID[] = {
- FXFM_ENCODING_MS_SYMBOL,
- FXFM_ENCODING_UNICODE,
- FXFM_ENCODING_MS_SJIS,
- FXFM_ENCODING_MS_GB2312,
- FXFM_ENCODING_MS_BIG5,
- FXFM_ENCODING_MS_WANSUNG,
- FXFM_ENCODING_MS_JOHAB,
- FXFM_ENCODING_ADOBE_STANDARD,
- FXFM_ENCODING_ADOBE_EXPERT,
- FXFM_ENCODING_ADOBE_CUSTOM,
- FXFM_ENCODING_ADOBE_LATIN_1,
- FXFM_ENCODING_OLD_LATIN_2,
- FXFM_ENCODING_APPLE_ROMAN,
-};
-
-CFX_UnicodeEncodingEx* _FXFM_CreateFontEncoding(CFX_Font* pFont,
- FX_DWORD nEncodingID) {
- if (FXFT_Select_Charmap(pFont->GetFace(), nEncodingID))
- return nullptr;
- return new CFX_UnicodeEncodingEx(pFont, nEncodingID);
-}
-#endif // PDF_ENABLE_XFA
-
-FXFT_Face FT_LoadFont(const uint8_t* pData, int size) {
- return CFX_GEModule::Get()->GetFontMgr()->GetFixedFace(pData, size, 0);
-}
-
-} // namespace
-
-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_pGsubData = NULL;
- m_pPlatformFont = NULL;
- m_pPlatformFontCollection = NULL;
- m_pDwFont = NULL;
- m_hHandle = NULL;
- m_bDwLoaded = FALSE;
-#ifdef PDF_ENABLE_XFA
- m_bLogic = FALSE;
- m_pOwnedStream = NULL;
-#endif // PDF_ENABLE_XFA
-}
-
-#ifdef PDF_ENABLE_XFA
-FX_BOOL CFX_Font::LoadClone(const CFX_Font* pFont) {
- if (pFont == NULL) {
- return FALSE;
- }
- m_bLogic = TRUE;
- if (pFont->m_pSubstFont) {
- m_pSubstFont = new CFX_SubstFont;
- m_pSubstFont->m_Charset = pFont->m_pSubstFont->m_Charset;
- m_pSubstFont->m_ExtHandle = pFont->m_pSubstFont->m_ExtHandle;
- m_pSubstFont->m_SubstFlags = pFont->m_pSubstFont->m_SubstFlags;
- m_pSubstFont->m_Weight = pFont->m_pSubstFont->m_Weight;
- m_pSubstFont->m_Family = pFont->m_pSubstFont->m_Family;
- m_pSubstFont->m_ItalicAngle = pFont->m_pSubstFont->m_ItalicAngle;
- }
- if (pFont->m_OtfFontData.GetSize()) {
- m_OtfFontData.AttachData(pFont->m_OtfFontData.GetBuffer(),
- pFont->m_OtfFontData.GetSize());
- }
- m_Face = pFont->m_Face;
- m_bEmbedded = pFont->m_bEmbedded;
- m_bVertical = pFont->m_bVertical;
- m_dwSize = pFont->m_dwSize;
- m_pFontData = pFont->m_pFontData;
- m_pGsubData = pFont->m_pGsubData;
- m_pPlatformFont = pFont->m_pPlatformFont;
- m_pPlatformFontCollection = pFont->m_pPlatformFontCollection;
- m_pDwFont = pFont->m_pDwFont;
- m_hHandle = pFont->m_hHandle;
- m_bDwLoaded = pFont->m_bDwLoaded;
- m_pOwnedStream = pFont->m_pOwnedStream;
- return TRUE;
-}
-#endif // PDF_ENABLE_XFA
-
-CFX_Font::~CFX_Font() {
- delete m_pSubstFont;
- FX_Free(m_pFontDataAllocation);
-#ifdef PDF_ENABLE_XFA
- if (m_bLogic) {
- m_OtfFontData.DetachBuffer();
- return;
- }
-#endif // PDF_ENABLE_XFA
- if (m_Face) {
-#ifndef PDF_ENABLE_XFA
- if (FXFT_Get_Face_External_Stream(m_Face)) {
- FXFT_Clear_Face_External_Stream(m_Face);
- }
-#endif // PDF_ENABLE_XFA
- if (m_bEmbedded) {
- DeleteFace();
- } else {
- CFX_GEModule::Get()->GetFontMgr()->ReleaseFace(m_Face);
- }
- }
-#ifdef PDF_ENABLE_XFA
- FX_Free(m_pOwnedStream);
-#endif // PDF_ENABLE_XFA
- FX_Free(m_pGsubData);
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- ReleasePlatformResource();
-#endif
-}
-void CFX_Font::DeleteFace() {
- FXFT_Done_Face(m_Face);
- m_Face = NULL;
-}
-void 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 = new CFX_SubstFont;
- 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);
- }
-}
-#ifdef PDF_ENABLE_XFA
-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,
- int32_t faceIndex = 0) {
- FXFT_Stream stream1 = (FXFT_Stream)FX_Alloc(uint8_t, sizeof(FXFT_StreamRec));
- 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, faceIndex, Face)) {
- FX_Free(stream1);
- return FALSE;
- }
- if (stream) {
- *stream = stream1;
- }
- return TRUE;
-}
-
-FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile,
- int nFaceIndex,
- int* pFaceCount) {
- m_bEmbedded = FALSE;
-
- CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
- pFontMgr->InitFTLibrary();
- FXFT_Library library = pFontMgr->GetFTLibrary();
-
- FXFT_Stream stream = nullptr;
- if (!_LoadFile(library, &m_Face, pFile, &stream, nFaceIndex))
- return FALSE;
-
- if (pFaceCount)
- *pFaceCount = (int)m_Face->num_faces;
- m_pOwnedStream = stream;
- FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
- return TRUE;
-}
-#endif // PDF_ENABLE_XFA
-
-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;
-}
-
-FX_BOOL CFX_Font::LoadEmbedded(const uint8_t* data, FX_DWORD size) {
- m_pFontDataAllocation = FX_Alloc(uint8_t, size);
- FXSYS_memcpy(m_pFontDataAllocation, data, size);
- m_Face = FT_LoadFont(m_pFontDataAllocation, size);
- m_pFontData = m_pFontDataAllocation;
- m_bEmbedded = TRUE;
- m_dwSize = size;
- return m_Face != NULL;
-}
-
-FX_BOOL CFX_Font::IsTTFont() const {
- if (!m_Face)
- return FALSE;
- return FXFT_Is_Face_TT_OT(m_Face) == FXFT_FACE_FLAG_SFNT;
-}
-
-int CFX_Font::GetAscent() const {
- if (!m_Face)
- return 0;
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_Ascender(m_Face));
-}
-
-int CFX_Font::GetDescent() const {
- if (!m_Face)
- return 0;
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_Descender(m_Face));
-}
-
-FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT& bbox) {
- if (!m_Face)
- 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() const {
- if (!m_Face)
- 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() const {
- if (!m_Face)
- return FALSE;
- return FXFT_Is_Face_Bold(m_Face) == FXFT_STYLE_FLAG_BOLD;
-}
-
-FX_BOOL CFX_Font::IsFixedWidth() const {
- if (!m_Face)
- return FALSE;
- return FXFT_Is_Face_fixedwidth(m_Face);
-}
-
-CFX_WideString CFX_Font::GetPsName() const {
- if (!m_Face) {
- 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 && !m_pSubstFont) {
- return CFX_ByteString();
- }
- if (m_Face) {
- return CFX_ByteString(FXFT_Get_Face_Family_Name(m_Face));
- }
- return m_pSubstFont->m_Family;
-}
-CFX_ByteString CFX_Font::GetFaceName() const {
- if (!m_Face && !m_pSubstFont) {
- 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;
- }
- return m_pSubstFont->m_Family;
-}
-FX_BOOL CFX_Font::GetBBox(FX_RECT& bbox) {
- if (!m_Face) {
- 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() const {
- if (!m_Face)
- return 0;
-
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_Height(m_Face));
-}
-
-int CFX_Font::GetMaxAdvanceWidth() const {
- if (!m_Face)
- return 0;
-
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_MaxAdvanceWidth(m_Face));
-}
-
-int CFX_Font::GetULPos() const {
- if (!m_Face)
- return 0;
-
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_UnderLinePosition(m_Face));
-}
-
-int CFX_Font::GetULthickness() const {
- if (!m_Face)
- return 0;
-
- return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
- FXFT_Get_Face_UnderLineThickness(m_Face));
-}
-
-CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont) : m_pFont(pFont) {
-}
-
-CFX_UnicodeEncoding::~CFX_UnicodeEncoding() {
-}
-
-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->GetSubstFont() && m_pFont->GetSubstFont()->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;
-}
-
-#ifdef PDF_ENABLE_XFA
-CFX_UnicodeEncodingEx::CFX_UnicodeEncodingEx(CFX_Font* pFont,
- FX_DWORD EncodingID)
- : CFX_UnicodeEncoding(pFont), m_nEncodingID(EncodingID) {
-}
-
-CFX_UnicodeEncodingEx::~CFX_UnicodeEncodingEx() {
-}
-
-FX_DWORD CFX_UnicodeEncodingEx::GlyphFromCharCode(FX_DWORD charcode) {
- FXFT_Face face = m_pFont->GetFace();
- FT_UInt nIndex = FXFT_Get_Char_Index(face, charcode);
- if (nIndex > 0) {
- return nIndex;
- }
- int nmaps = FXFT_Get_Face_CharmapCount(face);
- int m = 0;
- while (m < nmaps) {
- int nEncodingID =
- FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[m++]);
- if (m_nEncodingID == nEncodingID) {
- continue;
- }
- int error = FXFT_Select_Charmap(face, nEncodingID);
- if (error) {
- continue;
- }
- nIndex = FXFT_Get_Char_Index(face, charcode);
- if (nIndex > 0) {
- m_nEncodingID = nEncodingID;
- return nIndex;
- }
- }
- FXFT_Select_Charmap(face, m_nEncodingID);
- return 0;
-}
-
-FX_DWORD CFX_UnicodeEncodingEx::CharCodeFromUnicode(FX_WCHAR Unicode) const {
- if (m_nEncodingID == FXFM_ENCODING_UNICODE ||
- m_nEncodingID == FXFM_ENCODING_MS_SYMBOL) {
- return Unicode;
- }
- FXFT_Face face = m_pFont->GetFace();
- int nmaps = FXFT_Get_Face_CharmapCount(face);
- for (int i = 0; i < nmaps; i++) {
- int nEncodingID =
- FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]);
- if (nEncodingID == FXFM_ENCODING_UNICODE ||
- nEncodingID == FXFM_ENCODING_MS_SYMBOL) {
- return Unicode;
- }
- }
- return -1;
-}
-
-CFX_UnicodeEncodingEx* FX_CreateFontEncodingEx(CFX_Font* pFont,
- FX_DWORD nEncodingID) {
- if (!pFont || !pFont->GetFace())
- return nullptr;
-
- if (nEncodingID != FXFM_ENCODING_NONE)
- return _FXFM_CreateFontEncoding(pFont, nEncodingID);
-
- for (size_t i = 0; i < FX_ArraySize(g_EncodingID); ++i) {
- CFX_UnicodeEncodingEx* pFontEncoding =
- _FXFM_CreateFontEncoding(pFont, g_EncodingID[i]);
- if (pFontEncoding) {
- return pFontEncoding;
- }
- }
- return NULL;
-}
-#endif // PDF_ENABLE_XFA
« no previous file with comments | « core/src/fxge/ge/fx_ge_device.cpp ('k') | core/src/fxge/ge/fx_ge_fontmap.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698