1 #ifndef DEFAULTFONT_H_ 2 #define DEFAULTFONT_H_ 3 4 #include <X11/Xlib.h> 5 #if XFT 6 # include <X11/Xft/Xft.h> 7 #endif 8 9 #include <inttypes.h> 10 11 #include "encoding.h" 12 #include "rxvtutil.h" 13 #include "rxvttoolkit.h" 14 15 struct rxvt_term; 16 17 struct rxvt_fontprop 18 { 19 enum { 20 unset = -1, 21 medium = 100, bold = 200, 22 roman = 0, italic = 100, 23 }; 24 int width, height, ascent; 25 int weight, slant; 26 }; 27 28 struct rxvt_font 29 { 30 // managed by the fontset 31 rxvt_term *term; set_termrxvt_font32 void set_term (rxvt_term *term) { this->term = term; } 33 34 char *name; 35 codeset cs; 36 bool loaded; // whether we tried loading it before (not whether it's loaded) 37 38 // managed by the font object 39 int ascent, descent, 40 width, height; 41 42 void set_name (char *name_); 43 44 rxvt_font (); ~rxvt_fontrxvt_font45 virtual ~rxvt_font () { free (name); }; 46 clearrxvt_font47 virtual void clear () { }; 48 49 void clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const; 50 51 virtual rxvt_fontprop properties () = 0; 52 53 virtual bool load (const rxvt_fontprop &morph, bool force_prop) = 0; 54 virtual bool has_char (uint32_t unicode, const rxvt_fontprop *prop, bool &careful) const = 0; 55 56 virtual void draw (rxvt_drawable &d, 57 int x, int y, 58 const text_t *text, int len, 59 int fg, int bg) = 0; 60 unrefrxvt_font61 void unref () 62 { 63 clear (); 64 delete this; 65 } 66 }; 67 68 struct rxvt_fallback_font; 69 70 struct rxvt_fontset 71 { 72 char *fontdesc; 73 74 // must be power-of-two - 1, also has to match RS_fontMask in rxvt.h 75 #if USE_256_COLORS 76 enum { fontCount = 7 }; // 2 extra colors bits, 2 fewer fontcount bits 77 #else 78 enum { fontCount = 31 }; 79 #endif 80 81 // index of first font in set 82 enum { firstFont = 2 }; 83 84 rxvt_fontset (rxvt_term *term); 85 ~rxvt_fontset (); 86 87 bool populate (const char *desc); set_proprxvt_fontset88 void set_prop (const rxvt_fontprop &prop, bool force_prop) { this->prop = prop; this->force_prop = force_prop; } 89 int find_font_idx (uint32_t unicode); 90 int find_font (const char *name) const; 91 bool realize_font (int i); 92 93 rxvt_font *operator [] (int id) const 94 { 95 return fonts[id >> 1]; 96 } 97 98 int find_fontrxvt_fontset99 find_font (unicode_t unicode) 100 { 101 return min<int> ((fontCount << 1) | 1, find_font_idx (unicode)); 102 } 103 104 // find the font containing ' ' - we always assume this is font 1, as 105 // every font should contain space, and font 1 is our base font. 106 // pango assumes this, so it must be correct! 107 int find_space_fontrxvt_fontset108 find_space_font () 109 { 110 return 1 << 1; 111 } 112 113 private: 114 rxvt_term *term; 115 rxvt_fontprop prop; 116 bool force_prop; 117 simplevec<rxvt_font *> fonts; 118 const rxvt_fallback_font *fallback; 119 120 // this once was a "typedef xxx pagemap[256] 121 // but c++ arrays are not normal types, and cannot be 122 // put into containers, new doesn't work for them etc. etc. 123 // so we wrap out array into an object that acts like one. doh. 124 // example: C++ has no separate new and new [] forms, 125 // and if pagemap is char[256], new incorrectly assumes we want to 126 // allocate an array of chars instead of a single pagemap. 127 struct pagemap 128 { 129 unsigned char cppsucks[256]; 130 unsigned char &operator [](int i) { return cppsucks [i]; }; 131 }; 132 vector<pagemap *> fmap; 133 134 void clear (); 135 rxvt_font *new_font (const char *name, codeset cs); 136 void prepare_font (rxvt_font *font, codeset cs); 137 void add_fonts (const char *desc); 138 void push_font (rxvt_font *font); 139 }; 140 141 #endif /* _DEFAULTFONT_H_ */ 142 143