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sdlterm/src/sdlterm.h
changeset 53 c4263588b716
parent 52 50a1857557da
child 54 86b84535726e
equal deleted inserted replaced
52:50a1857557da 53:c4263588b716 
    35         {255,255,84},   // 14 - yellow
 
    35         {255,255,84},   // 14 - yellow
 
    36         {255,255,255},  // 15 - white
 
    36         {255,255,255},  // 15 - white
 
    37     };
 
    37     };
 
    38 
    38 
    39 public:
 
    39 public:
 
    40     void index_to_rgb(int index, SDL_Color &color);
 
    40     void index_to_rgb(int index, SDL_Color &color) const;
 
    41 };
 
    41 };
 
    42 
    42 
    43 
    43 
    44 class GlyphCache
 
    44 class GlyphCache
 
    45 {
 
    45 {
 
    64     void close_font();
 
    64     void close_font();
 
    65 
    65 
    66     // do not free surface returned!
 
    66     // do not free surface returned!
 
    67     SDL_Surface *render_cell(Uint32 ch, Uint32 attr);
 
    67     SDL_Surface *render_cell(Uint32 ch, Uint32 attr);
 
    68 
    68 
    69     int get_cell_width() { return _cell_width; };
 
    69     int get_cell_width() const { return _cell_width; };
 
    70     int get_cell_height() { return _cell_height; };
 
    70     int get_cell_height() const { return _cell_height; };
 
    71 
    71 
    72 private:
 
    72 private:
 
    73     TTF_Font *_font_regular;
 
    73     TTF_Font *_font_regular;
 
    74     TTF_Font *_font_bold;
 
    74     TTF_Font *_font_bold;
 
    75     int _cell_width;
 
    75     int _cell_width;
 
    98  */
 
    98  */
 
    99 struct TerminalCell
 
    99 struct TerminalCell
 
   100 {
 
   100 {
 
   101     Uint32 ch;
 
   101     Uint32 ch;
 
   102     Uint32 attr;
 
   102     Uint32 attr;
 
       
   103 
       
   104     TerminalCell() : ch(0), attr(7) {};
 
   103     bool operator !=(const TerminalCell &rhs) const { return ch != rhs.ch || attr != rhs.attr; };
 
   105     bool operator !=(const TerminalCell &rhs) const { return ch != rhs.ch || attr != rhs.attr; };
 
   104 };
 
   106 };
 
   105 
   107 
   106 
   108 
   107 class TerminalScreen
 
   109 class TerminalScreen
 
   116     void select_font(const char *fname_regular, const char *fname_bold, int ptsize);
 
   118     void select_font(const char *fname_regular, const char *fname_bold, int ptsize);
 
   117     void resize(int pxwidth, int pxheight);
 
   119     void resize(int pxwidth, int pxheight);
 
   118 
   120 
   119     void erase();
 
   121     void erase();
 
   120     void putch(int x, int y, Uint32 ch, Uint32 attr);
 
   122     void putch(int x, int y, Uint32 ch, Uint32 attr);
 
       
   123     void toggle_cursor(int x, int y);
 
   121     void commit();
 
   124     void commit();
 
   122 
   125 
   123     int get_width() { return _width; };
 
   126     // force full redraw on next commit()
 
   124     int get_height() { return _height; };
 
   127     void redraw();
 
   125     int get_cell_width() { return _cell_width; };
 
   128 
   126     int get_cell_height() { return _cell_height; };
 
   129     int get_width() const { return _width; };
 
       
   130     int get_height() const { return _height; };
 
       
   131     int get_cell_width() const { return _cell_width; };
 
       
   132     int get_cell_height() const { return _cell_height; };
 
   127 
   133 
   128 private:
 
   134 private:
 
   129     SDL_Surface *_screen_surface;
 
   135     SDL_Surface *_screen_surface;
 
   130     std::vector<TerminalCell> _cells_front;
 
   136     std::vector<TerminalCell> _cells_front;
 
   131     std::vector<TerminalCell> _cells_back;
 
   137     std::vector<TerminalCell> _cells_back;
 
   173         { _screen.select_font(fname_regular, fname_bold, ptsize); };
 
   179         { _screen.select_font(fname_regular, fname_bold, ptsize); };
 
   174     void resize(int pxwidth, int pxheight) { _screen.resize(pxwidth, pxheight); };
 
   180     void resize(int pxwidth, int pxheight) { _screen.resize(pxwidth, pxheight); };
 
   175 
   181 
   176     void erase() { _screen.erase(); };
 
   182     void erase() { _screen.erase(); };
 
   177     void putch(int x, int y, Uint32 ch) { _screen.putch(x, y, ch, _attr); };
 
   183     void putch(int x, int y, Uint32 ch) { _screen.putch(x, y, ch, _attr); };
 
   178     void commit() { _screen.commit(); };
 
   184     void commit();
 
   179 
   185 
   180     Uint32 prepare_attr(Uint8 fg, Uint8 bg, Uint8 style) { return (Uint32)fg | (Uint32)bg << 8 | (Uint32)style << 24; };
 
   186     Uint32 prepare_attr(Uint8 fg, Uint8 bg, Uint8 style) { return (Uint32)fg | (Uint32)bg << 8 | (Uint32)style << 24; };
 
   181     void set_attr(Uint32 value) { _attr = value; };
 
   187     void set_attr(Uint32 value) { _attr = value; };
 
   182 
   188 
   183     void set_cursor(int x, int y) { _cursor_x = x; _cursor_y = y; };
 
   189     void show_cursor(int x, int y) { _cursor_x = x; _cursor_y = y; _cursor_visible = true; };
 
   184     void show_cursor(bool visible) { _cursor_visible = visible; };
 
   190     void hide_cursor() { _cursor_visible = false; };
 
   185 
   191 
   186     void get_next_event(Event &event);
 
   192     void get_next_event(Event &event);
 
   187 
   193 
   188     int get_width() { return _screen.get_width(); };
 
   194     int get_width() const { return _screen.get_width(); };
 
   189     int get_height() { return _screen.get_height(); };
 
   195     int get_height() const { return _screen.get_height(); };
 
   190 
   196 
   191 private:
 
   197 private:
 
   192     TerminalScreen _screen;
 
   198     TerminalScreen _screen;
 
   193     Uint32 _attr;
 
   199     Uint32 _attr;
 
   194     int _cursor_x;
 
   200     int _cursor_x;
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