1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXGE_FX_FONT_H_ 8 #define CORE_FXGE_FX_FONT_H_ 9 10 #include <vector> 11 12 #include "core/fxcrt/fx_coordinates.h" 13 #include "core/fxcrt/fx_string.h" 14 #include "core/fxcrt/fx_system.h" 15 #include "core/fxge/fx_freetype.h" 16 #include "third_party/base/span.h" 17 18 /* Font pitch and family flags */ 19 #define FXFONT_FF_FIXEDPITCH (1 << 0) 20 #define FXFONT_FF_ROMAN (1 << 4) 21 #define FXFONT_FF_SCRIPT (4 << 4) 22 23 /* Typical weight values */ 24 #define FXFONT_FW_NORMAL 400 25 #define FXFONT_FW_BOLD 700 26 #define FXFONT_FW_BOLD_BOLD 900 27 28 /* Font styles as defined in PDF 1.7 Table 5.20 */ 29 #define FXFONT_NORMAL (0) 30 #define FXFONT_FIXED_PITCH (1 << 0) 31 #define FXFONT_SERIF (1 << 1) 32 #define FXFONT_SYMBOLIC (1 << 2) 33 #define FXFONT_SCRIPT (1 << 3) 34 #define FXFONT_NONSYMBOLIC (1 << 5) 35 #define FXFONT_ITALIC (1 << 6) 36 #define FXFONT_ALLCAP (1 << 16) 37 #define FXFONT_SMALLCAP (1 << 17) 38 #define FXFONT_FORCE_BOLD (1 << 18) 39 40 /* Other font flags */ 41 #define FXFONT_USEEXTERNATTR 0x80000 42 #define FXFONT_CIDFONT 0x100000 43 44 #define GET_TT_SHORT(w) (uint16_t)(((w)[0] << 8) | (w)[1]) 45 #define GET_TT_LONG(w) \ 46 (uint32_t)(((w)[0] << 24) | ((w)[1] << 16) | ((w)[2] << 8) | (w)[3]) 47 48 #if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_ 49 class SkTypeface; 50 51 using CFX_TypeFace = SkTypeface; 52 #endif 53 54 class TextGlyphPos; 55 56 FX_RECT GetGlyphsBBox(const std::vector<TextGlyphPos>& glyphs, int anti_alias); 57 58 ByteString GetNameFromTT(pdfium::span<const uint8_t> name_table, uint32_t name); 59 int GetTTCIndex(pdfium::span<const uint8_t> pFontData, uint32_t font_offset); 60 FontStyleIsForceBold(uint32_t style)61inline bool FontStyleIsForceBold(uint32_t style) { 62 return !!(style & FXFONT_FORCE_BOLD); 63 } FontStyleIsItalic(uint32_t style)64inline bool FontStyleIsItalic(uint32_t style) { 65 return !!(style & FXFONT_ITALIC); 66 } FontStyleIsFixedPitch(uint32_t style)67inline bool FontStyleIsFixedPitch(uint32_t style) { 68 return !!(style & FXFONT_FIXED_PITCH); 69 } FontStyleIsSymbolic(uint32_t style)70inline bool FontStyleIsSymbolic(uint32_t style) { 71 return !!(style & FXFONT_SYMBOLIC); 72 } FontStyleIsNonSymbolic(uint32_t style)73inline bool FontStyleIsNonSymbolic(uint32_t style) { 74 return !!(style & FXFONT_NONSYMBOLIC); 75 } FontStyleIsAllCaps(uint32_t style)76inline bool FontStyleIsAllCaps(uint32_t style) { 77 return !!(style & FXFONT_ALLCAP); 78 } FontStyleIsSerif(uint32_t style)79inline bool FontStyleIsSerif(uint32_t style) { 80 return !!(style & FXFONT_SERIF); 81 } FontStyleIsScript(uint32_t style)82inline bool FontStyleIsScript(uint32_t style) { 83 return !!(style & FXFONT_SCRIPT); 84 } 85 FontFamilyIsFixedPitch(uint32_t family)86inline bool FontFamilyIsFixedPitch(uint32_t family) { 87 return !!(family & FXFONT_FF_FIXEDPITCH); 88 } FontFamilyIsRoman(uint32_t family)89inline bool FontFamilyIsRoman(uint32_t family) { 90 return !!(family & FXFONT_FF_ROMAN); 91 } FontFamilyIsScript(int32_t family)92inline bool FontFamilyIsScript(int32_t family) { 93 return !!(family & FXFONT_FF_SCRIPT); 94 } 95 96 wchar_t PDF_UnicodeFromAdobeName(const char* name); 97 ByteString PDF_AdobeNameFromUnicode(wchar_t unicode); 98 99 #endif // CORE_FXGE_FX_FONT_H_ 100