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GraphicsDisplay.h
00001 /* mbed GraphicsDisplay Display Library Base Class 00002 * Copyright (c) 2007-2009 sford 00003 * Released under the MIT License: http://mbed.org/license/mit 00004 * 00005 * A library for providing a common base class for Graphics displays 00006 * To port a new display, derive from this class and implement 00007 * the constructor (setup the display), pixel (put a pixel 00008 * at a location), width and height functions. Everything else 00009 * (locate, printf, putc, cls, window, putp, fill, blit, blitbit) 00010 * will come for free. You can also provide a specialised implementation 00011 * of window and putp to speed up the results 00012 */ 00013 00014 #ifndef MBED_GRAPHICSDISPLAY_H 00015 #define MBED_GRAPHICSDISPLAY_H 00016 00017 #include "TextDisplay.h" 00018 00019 class GraphicsDisplay : public TextDisplay { 00020 00021 public: 00022 00023 GraphicsDisplay(const char* name); 00024 00025 virtual void pixel(int x, int y, int colour) = 0; 00026 virtual int width() = 0; 00027 virtual int height() = 0; 00028 00029 virtual void window(int x, int y, int w, int h); 00030 virtual void putp(int colour); 00031 00032 virtual void cls(); 00033 virtual void fill(int x, int y, int w, int h, int colour); 00034 virtual void blit(int x, int y, int w, int h, const int *colour); 00035 virtual void blitbit(int x, int y, int w, int h, const char* colour); 00036 00037 virtual void character(int column, int row, int value); 00038 virtual int columns(); 00039 virtual int rows(); 00040 00041 protected: 00042 00043 // pixel location 00044 short _x; 00045 short _y; 00046 00047 // window location 00048 short _x1; 00049 short _x2; 00050 short _y1; 00051 short _y2; 00052 00053 }; 00054 00055 #endif
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