The final project of Embedde class.
Diff: GraphicsDisplay.cpp
- Revision:
- 0:4bbc531be6e2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GraphicsDisplay.cpp Tue Oct 16 14:05:57 2012 +0000 @@ -0,0 +1,176 @@ +/* mbed GraphicsDisplay Display Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + */ + +#include "GraphicsDisplay.h" + +const unsigned char FONT8x8[97][8] = { +0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 +0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! +0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " +0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # +0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ +0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % +0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & +0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' +0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( +0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) +0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * +0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + +0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , +0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - +0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . +0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) +0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 +0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 +0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 +0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 +0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 +0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 +0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 +0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 +0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 +0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 +0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : +0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; +0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < +0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = +0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > +0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? +0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 +0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A +0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B +0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C +0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D +0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E +0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F +0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G +0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H +0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I +0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J +0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K +0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L +0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M +0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N +0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O +0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 +0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q +0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R +0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S +0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T +0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U +0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V +0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W +0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X +0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y +0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z +0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ +0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) +0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] +0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ +0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 +0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a +0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b +0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c +0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d +0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e +0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f +0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g +0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h +0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i +0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j +0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k +0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l +0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m +0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n +0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o +0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p +0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q +0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r +0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s +0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t +0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u +0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v +0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w +0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x +0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y +0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z +0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { +0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | +0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } +0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ +0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL + +GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) { + foreground(0xFFFF); + background(0x0000); +} + +void GraphicsDisplay::character(int column, int row, int value) { + blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); +} + +void GraphicsDisplay::window(int x, int y, int w, int h) { + // current pixel location + _x = x; + _y = y; + // window settings + _x1 = x; + _x2 = x + w - 1; + _y1 = y; + _y2 = y + h - 1; +} + +void GraphicsDisplay::putp(int colour) { + // put pixel at current pixel location + pixel(_x, _y, colour); + // update pixel location based on window settings + _x++; + if(_x > _x2) { + _x = _x1; + _y++; + if(_y > _y2) { + _y = _y1; + } + } +} + +void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) { + window(x, y, w, h); + for(int i=0; i<w*h; i++) { + putp(colour); + } +} + +void GraphicsDisplay::cls() { + fill(0, 0, width(), height(), _background); +} + +void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) { + window(x, y, w, h); + for(int i=0; i<w*h; i++) { + putp(colour[i]); + } +} + +void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) { + window(x, y, w, h); + for(int i = 0; i < w*h; i++) { + char byte = colour[i >> 3]; + int offset = i & 0x7; + int c = ((byte << offset) & 0x80) ? _foreground : _background; + putp(c); + } +} + +int GraphicsDisplay::columns() { + return width() / 8; +} + +int GraphicsDisplay::rows() { + return height() / 8; +} +