| // 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 |
| |
| #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); |
| |
| 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_ |