| // 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 <vector> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxge/fx_freetype.h" |
| #include "third_party/base/span.h" |
| |
| /* 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_FORCE_BOLD (1 << 18) |
| |
| /* Other font flags */ |
| #define FXFONT_USEEXTERNATTR 0x80000 |
| |
| #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]) |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| class SkTypeface; |
| |
| using CFX_TypeFace = SkTypeface; |
| #endif |
| |
| class TextGlyphPos; |
| |
| FX_RECT GetGlyphsBBox(const std::vector<TextGlyphPos>& glyphs, int anti_alias); |
| |
| ByteString GetNameFromTT(pdfium::span<const uint8_t> name_table, uint32_t name); |
| int GetTTCIndex(pdfium::span<const uint8_t> pFontData, uint32_t font_offset); |
| |
| inline bool FontStyleIsForceBold(uint32_t style) { |
| return !!(style & FXFONT_FORCE_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); |
| } |
| |
| wchar_t PDF_UnicodeFromAdobeName(const char* name); |
| ByteString PDF_AdobeNameFromUnicode(wchar_t unicode); |
| |
| #endif // CORE_FXGE_FX_FONT_H_ |