1 /* 2 * Copyright 2001-2008, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * DarkWyrm <bpmagic@columbus.rr.com> 7 * Jérôme Duval, jerome.duval@free.fr 8 * Axel Dörfler, axeld@pinc-software.de 9 * Stephan Aßmus <superstippi@gmx.de> 10 */ 11 #ifndef SERVER_FONT_H 12 #define SERVER_FONT_H 13 14 15 #include <Font.h> 16 #include <Rect.h> 17 18 #include "FontFamily.h" 19 #include "GlobalSubpixelSettings.h" 20 #include "Transformable.h" 21 22 class BShape; 23 class BString; 24 25 26 class ServerFont { 27 public: 28 ServerFont(); 29 ServerFont(FontStyle& style, 30 float size = 12.0, float rotation = 0.0, 31 float shear = 90.0, 32 float falseBoldWidth = 0.0, 33 uint16 flags = 0, 34 uint8 spacing = B_BITMAP_SPACING); 35 ServerFont(const ServerFont& font); 36 virtual ~ServerFont(); 37 38 ServerFont &operator=(const ServerFont& font); 39 bool operator==(const ServerFont& other) const; 40 41 font_direction Direction() const 42 { return fDirection; } 43 uint32 Encoding() const 44 { return fEncoding; } 45 uint32 Flags() const 46 { return fFlags; } 47 uint32 Spacing() const 48 { return fSpacing; } 49 float Shear() const 50 { return fShear; } 51 float Rotation() const 52 { return fRotation; } 53 float FalseBoldWidth() const 54 { return fFalseBoldWidth; } 55 float Size() const 56 { return fSize; } 57 uint16 Face() const 58 { return fFace; } 59 uint32 CountGlyphs() 60 { return fStyle->GlyphCount(); } 61 int32 CountTuned(); 62 63 font_file_format FileFormat(); 64 65 const char* Style() const; 66 const char* Family() const; 67 const char* Path() const 68 { return fStyle->Path(); } 69 70 void SetStyle(FontStyle* style); 71 status_t SetFamilyAndStyle(uint16 familyID, 72 uint16 styleID); 73 status_t SetFamilyAndStyle(uint32 fontID); 74 75 uint16 StyleID() const 76 { return fStyle->ID(); } 77 uint16 FamilyID() const 78 { return fStyle->Family()->ID(); } 79 uint32 GetFamilyAndStyle() const; 80 81 void SetDirection(font_direction dir) 82 { fDirection = dir; } 83 void SetEncoding(uint32 encoding) 84 { fEncoding = encoding; } 85 void SetFlags(uint32 value) 86 { fFlags = value; } 87 void SetSpacing(uint32 value) 88 { fSpacing = value; } 89 void SetShear(float value) 90 { fShear = value; } 91 void SetSize(float value) 92 { fSize = value; } 93 void SetRotation(float value) 94 { fRotation = value; } 95 void SetFalseBoldWidth(float value) 96 { fFalseBoldWidth = value; } 97 status_t SetFace(uint16 face); 98 99 bool IsFixedWidth() const 100 { return fStyle->IsFixedWidth(); } 101 bool IsScalable() const 102 { return fStyle->IsScalable(); } 103 bool HasKerning() const 104 { return fStyle->HasKerning(); } 105 bool HasTuned() const 106 { return fStyle->HasTuned(); } 107 int32 TunedCount() const 108 { return fStyle->TunedCount(); } 109 uint16 GlyphCount() const 110 { return fStyle->GlyphCount(); } 111 uint16 CharMapCount() const 112 { return fStyle->CharMapCount(); } 113 inline bool Hinting() const; 114 115 status_t GetGlyphShapes(const char charArray[], 116 int32 numChars, BShape *shapeArray[]) const; 117 118 status_t GetHasGlyphs(const char charArray[], 119 int32 numBytes, int32 numChars, 120 bool hasArray[]) const; 121 122 status_t GetEdges(const char charArray[], int32 numBytes, 123 int32 numChars, edge_info edgeArray[]) 124 const; 125 126 status_t GetEscapements(const char charArray[], 127 int32 numBytes, int32 numChars, 128 escapement_delta delta, 129 BPoint escapementArray[], 130 BPoint offsetArray[]) const; 131 132 status_t GetEscapements(const char charArray[], 133 int32 numBytes, int32 numChars, 134 escapement_delta delta, 135 float widthArray[]) const; 136 137 status_t GetBoundingBoxes(const char charArray[], 138 int32 numBytes, int32 numChars, 139 BRect rectArray[], bool stringEscapement, 140 font_metric_mode mode, 141 escapement_delta delta, 142 bool asString); 143 144 status_t GetBoundingBoxesForStrings(char *charArray[], 145 size_t lengthArray[], int32 numStrings, 146 BRect rectArray[], font_metric_mode mode, 147 escapement_delta deltaArray[]); 148 149 float StringWidth(const char *string, 150 int32 numBytes, 151 const escapement_delta* delta = NULL) const; 152 153 bool Lock() const { return fStyle->Lock(); } 154 void Unlock() const { fStyle->Unlock(); } 155 156 // FT_Face GetFTFace() const 157 // { return fStyle->FreeTypeFace(); }; 158 159 BRect BoundingBox(); 160 void GetHeight(font_height& height) const; 161 162 void TruncateString(BString* inOut, 163 uint32 mode, float width) const; 164 165 Transformable EmbeddedTransformation() const; 166 status_t GetUnicodeBlocks(unicode_block &blocksForFont); 167 status_t IncludesUnicodeBlock(uint32 start, uint32 end, 168 bool &hasBlock); 169 170 protected: 171 friend class FontStyle; 172 FT_Face GetTransformedFace(bool rotate, 173 bool shear) const; 174 void PutTransformedFace(FT_Face face) const; 175 176 BReference<FontStyle> 177 fStyle; 178 float fSize; 179 float fRotation; 180 float fShear; 181 float fFalseBoldWidth; 182 BRect fBounds; 183 uint32 fFlags; 184 uint32 fSpacing; 185 font_direction fDirection; 186 uint16 fFace; 187 uint32 fEncoding; 188 }; 189 190 inline bool ServerFont::Hinting() const 191 { 192 switch (gDefaultHintingMode) { 193 case HINTING_MODE_OFF: 194 return false; 195 default: 196 case HINTING_MODE_ON: 197 return true; 198 case HINTING_MODE_MONOSPACED_ONLY: 199 return IsFixedWidth(); 200 } 201 } 202 203 #endif /* SERVER_FONT_H */ 204