File content as of revision 17:9d74ba378555:

/* 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; 
}