// 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 #ifndef CORE_FXGE_FX_FONT_H_ #define CORE_FXGE_FX_FONT_H_ #include <memory> #include <utility> #include <vector> #include "core/fxcrt/fx_system.h" #include "core/fxcrt/unowned_ptr.h" #include "core/fxge/cfx_substfont.h" #include "core/fxge/dib/cfx_dibitmap.h" #include "core/fxge/fx_dib.h" #include "core/fxge/fx_freetype.h" #if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_ class SkTypeface; using CFX_TypeFace = SkTypeface; #endif /* Font pitch and family flags */ #define FXFONT_FF_FIXEDPITCH (1 << 0) #define FXFONT_FF_ROMAN (1 << 4) #define FXFONT_FF_SCRIPT (4 << 4) /* Typical weight values */ #define FXFONT_FW_NORMAL 400 #define FXFONT_FW_BOLD 700 #define FXFONT_FW_BOLD_BOLD 900 /* Font styles as defined in PDF 1.7 Table 5.20 */ #define FXFONT_NORMAL (0) #define FXFONT_FIXED_PITCH (1 << 0) #define FXFONT_SERIF (1 << 1) #define FXFONT_SYMBOLIC (1 << 2) #define FXFONT_SCRIPT (1 << 3) #define FXFONT_NONSYMBOLIC (1 << 5) #define FXFONT_ITALIC (1 << 6) #define FXFONT_ALLCAP (1 << 16) #define FXFONT_SMALLCAP (1 << 17) #define FXFONT_BOLD (1 << 18) /* Other font flags */ #define FXFONT_USEEXTERNATTR 0x80000 #define FXFONT_CIDFONT 0x100000 #ifdef PDF_ENABLE_XFA #define FXFONT_EXACTMATCH 0x80000000 #endif // PDF_ENABLE_XFA #define GET_TT_SHORT(w) (uint16_t)(((w)[0] << 8) | (w)[1]) #define GET_TT_LONG(w) \ (uint32_t)(((w)[0] << 24) | ((w)[1] << 16) | ((w)[2] << 8) | (w)[3]) // Sets the given transform on the font, and resets it to the identity when it // goes out of scope. class ScopedFontTransform { public: ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix); ~ScopedFontTransform(); private: FT_Face m_Face; }; class CFX_GlyphBitmap { public: CFX_GlyphBitmap(); ~CFX_GlyphBitmap(); int m_Top; int m_Left; RetainPtr<CFX_DIBitmap> m_pBitmap; }; inline CFX_GlyphBitmap::CFX_GlyphBitmap() : m_pBitmap(pdfium::MakeRetain<CFX_DIBitmap>()) {} inline CFX_GlyphBitmap::~CFX_GlyphBitmap() = default; class FXTEXT_GLYPHPOS { public: FXTEXT_GLYPHPOS(); FXTEXT_GLYPHPOS(const FXTEXT_GLYPHPOS&); ~FXTEXT_GLYPHPOS(); const CFX_GlyphBitmap* m_pGlyph; CFX_Point m_Origin; CFX_PointF m_fOrigin; }; FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs, int anti_alias, float retinaScaleX, float retinaScaleY); ByteString GetNameFromTT(const uint8_t* name_table, uint32_t name_table_size, uint32_t name); int PDF_GetStandardFontName(ByteString* name); inline bool FontStyleIsBold(uint32_t style) { return !!(style & FXFONT_BOLD); } inline bool FontStyleIsItalic(uint32_t style) { return !!(style & FXFONT_ITALIC); } inline bool FontStyleIsFixedPitch(uint32_t style) { return !!(style & FXFONT_FIXED_PITCH); } inline bool FontStyleIsSymbolic(uint32_t style) { return !!(style & FXFONT_SYMBOLIC); } inline bool FontStyleIsNonSymbolic(uint32_t style) { return !!(style & FXFONT_NONSYMBOLIC); } inline bool FontStyleIsAllCaps(uint32_t style) { return !!(style & FXFONT_ALLCAP); } inline bool FontStyleIsSerif(uint32_t style) { return !!(style & FXFONT_SERIF); } inline bool FontStyleIsScript(uint32_t style) { return !!(style & FXFONT_SCRIPT); } inline bool FontFamilyIsFixedPitch(uint32_t family) { return !!(family & FXFONT_FF_FIXEDPITCH); } inline bool FontFamilyIsRoman(uint32_t family) { return !!(family & FXFONT_FF_ROMAN); } inline bool FontFamilyIsScript(int32_t family) { return !!(family & FXFONT_FF_SCRIPT); } #endif // CORE_FXGE_FX_FONT_H_