otk/rendercontrol.hh (raw)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 |
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- #ifndef __rendercontrol_hh #define __rendercontrol_hh extern "C" { #include <X11/Xlib.h> #include <X11/Xutil.h> } namespace otk { class ScreenInfo; class Surface; class RenderTexture; class Font; class RenderColor; class ustring; class RenderControl { protected: int _screen; /* // color tables, meaning, 256 (possibly) different shades of each color, // based on the number of bits there are available for each color in the // visual unsigned char _red_color_table[256]; unsigned char _green_color_table[256]; unsigned char _blue_color_table[256]; */ /* Bool _dither; int _cpc; // colors-per-channel: must be a value between [2,6] int _bpp; // bits-per-pixel unsigned int *_grad_xbuffer; unsigned int *_grad_ybuffer; unsigned int _grad_buffer_width; unsigned int _grad_buffer_height; unsigned long *_sqrt_table; // These values are all determined based on a visual int _red_bits; // the number of bits (1-255) that each shade of color int _green_bits; // spans across. best case is 1, which gives 255 shades. int _blue_bits; unsigned char _red_color_table[256]; unsigned char _green_color_table[256]; unsigned char _blue_color_table[256]; // These are only used for TrueColor visuals int _red_offset; // the offset of each color in a color mask int _green_offset; int _blue_offset; // These are only used for !TrueColor visuals XColor *_colors; int _ncolors; */ RenderControl(int screen); virtual void drawSolidBackground(Surface& sf, const RenderTexture& texture) const; public: virtual ~RenderControl(); static RenderControl *getRenderControl(int screen); virtual void drawRoot(const RenderColor &color) const; //! Draws a string onto a Surface virtual void drawString(Surface &sf, const Font &font, int x, int y, const RenderColor &color, const ustring &string) const; //! Draws a background onto a Surface, as specified by a RenderTexture virtual void drawBackground(Surface &sf, const RenderTexture &texture) const = 0; }; } #endif // __rendercontrol_hh |