GraphicsDisplay / GraphicsDisplay

Library release of Simon Ford's GraphicsDisplay Display Library Base Class.

Dependents:   ese_project_copy ese_project_share Test_ColorMemLCD rIoTwear_LCD ... more

GraphicsDisplay.cpp@1:1cb0fcbce1bf, 2015-01-23 (annotated)

Committer:
frankvnk
Date:
Fri Jan 23 20:21:32 2015 +0000
Revision:
1:1cb0fcbce1bf
Parent:
0:282710e02ef4 
Added documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frankvnk 0:282710e02ef4 1 /* mbed GraphicsDisplay Display Library Base Class
frankvnk 0:282710e02ef4 2 * Copyright (c) 2007-2009 sford
frankvnk 0:282710e02ef4 3 * Released under the MIT License: http://mbed.org/license/mit
frankvnk 0:282710e02ef4 4 */
frankvnk 0:282710e02ef4 5
frankvnk 0:282710e02ef4 6 #include "GraphicsDisplay.h"
frankvnk 0:282710e02ef4 7
frankvnk 0:282710e02ef4 8 const unsigned char FONT8x8[97][8] = {
frankvnk 0:282710e02ef4 9 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
frankvnk 0:282710e02ef4 10 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
frankvnk 0:282710e02ef4 11 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
frankvnk 0:282710e02ef4 12 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
frankvnk 0:282710e02ef4 13 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
frankvnk 0:282710e02ef4 14 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
frankvnk 0:282710e02ef4 15 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
frankvnk 0:282710e02ef4 16 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
frankvnk 0:282710e02ef4 17 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
frankvnk 0:282710e02ef4 18 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
frankvnk 0:282710e02ef4 19 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
frankvnk 0:282710e02ef4 20 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
frankvnk 0:282710e02ef4 21 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
frankvnk 0:282710e02ef4 22 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
frankvnk 0:282710e02ef4 23 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
frankvnk 0:282710e02ef4 24 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
frankvnk 0:282710e02ef4 25 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
frankvnk 0:282710e02ef4 26 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
frankvnk 0:282710e02ef4 27 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
frankvnk 0:282710e02ef4 28 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
frankvnk 0:282710e02ef4 29 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
frankvnk 0:282710e02ef4 30 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
frankvnk 0:282710e02ef4 31 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
frankvnk 0:282710e02ef4 32 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
frankvnk 0:282710e02ef4 33 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
frankvnk 0:282710e02ef4 34 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
frankvnk 0:282710e02ef4 35 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
frankvnk 0:282710e02ef4 36 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
frankvnk 0:282710e02ef4 37 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
frankvnk 0:282710e02ef4 38 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
frankvnk 0:282710e02ef4 39 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
frankvnk 0:282710e02ef4 40 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
frankvnk 0:282710e02ef4 41 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
frankvnk 0:282710e02ef4 42 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
frankvnk 0:282710e02ef4 43 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
frankvnk 0:282710e02ef4 44 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
frankvnk 0:282710e02ef4 45 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
frankvnk 0:282710e02ef4 46 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
frankvnk 0:282710e02ef4 47 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
frankvnk 0:282710e02ef4 48 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
frankvnk 0:282710e02ef4 49 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
frankvnk 0:282710e02ef4 50 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
frankvnk 0:282710e02ef4 51 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
frankvnk 0:282710e02ef4 52 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
frankvnk 0:282710e02ef4 53 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
frankvnk 0:282710e02ef4 54 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
frankvnk 0:282710e02ef4 55 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
frankvnk 0:282710e02ef4 56 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
frankvnk 0:282710e02ef4 57 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
frankvnk 0:282710e02ef4 58 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
frankvnk 0:282710e02ef4 59 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
frankvnk 0:282710e02ef4 60 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
frankvnk 0:282710e02ef4 61 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
frankvnk 0:282710e02ef4 62 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
frankvnk 0:282710e02ef4 63 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
frankvnk 0:282710e02ef4 64 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
frankvnk 0:282710e02ef4 65 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
frankvnk 0:282710e02ef4 66 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
frankvnk 0:282710e02ef4 67 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
frankvnk 0:282710e02ef4 68 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
frankvnk 0:282710e02ef4 69 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
frankvnk 0:282710e02ef4 70 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
frankvnk 0:282710e02ef4 71 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
frankvnk 0:282710e02ef4 72 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
frankvnk 0:282710e02ef4 73 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
frankvnk 0:282710e02ef4 74 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
frankvnk 0:282710e02ef4 75 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
frankvnk 0:282710e02ef4 76 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
frankvnk 0:282710e02ef4 77 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
frankvnk 0:282710e02ef4 78 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
frankvnk 0:282710e02ef4 79 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
frankvnk 0:282710e02ef4 80 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
frankvnk 0:282710e02ef4 81 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
frankvnk 0:282710e02ef4 82 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
frankvnk 0:282710e02ef4 83 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
frankvnk 0:282710e02ef4 84 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
frankvnk 0:282710e02ef4 85 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
frankvnk 0:282710e02ef4 86 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
frankvnk 0:282710e02ef4 87 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
frankvnk 0:282710e02ef4 88 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
frankvnk 0:282710e02ef4 89 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
frankvnk 0:282710e02ef4 90 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
frankvnk 0:282710e02ef4 91 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
frankvnk 0:282710e02ef4 92 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
frankvnk 0:282710e02ef4 93 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
frankvnk 0:282710e02ef4 94 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
frankvnk 0:282710e02ef4 95 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
frankvnk 0:282710e02ef4 96 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
frankvnk 0:282710e02ef4 97 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
frankvnk 0:282710e02ef4 98 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
frankvnk 0:282710e02ef4 99 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
frankvnk 0:282710e02ef4 100 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
frankvnk 0:282710e02ef4 101 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
frankvnk 0:282710e02ef4 102 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
frankvnk 0:282710e02ef4 103 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
frankvnk 0:282710e02ef4 104 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
frankvnk 0:282710e02ef4 105 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
frankvnk 0:282710e02ef4 106
frankvnk 0:282710e02ef4 107 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
frankvnk 0:282710e02ef4 108 foreground(0xFFFF);
frankvnk 0:282710e02ef4 109 background(0x0000);
frankvnk 0:282710e02ef4 110 }
frankvnk 0:282710e02ef4 111
frankvnk 0:282710e02ef4 112 void GraphicsDisplay::character(int column, int row, int value) {
frankvnk 0:282710e02ef4 113 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
frankvnk 0:282710e02ef4 114 }
frankvnk 0:282710e02ef4 115
frankvnk 0:282710e02ef4 116 void GraphicsDisplay::window(int x, int y, int w, int h) {
frankvnk 0:282710e02ef4 117 // current pixel location
frankvnk 0:282710e02ef4 118 _x = x;
frankvnk 0:282710e02ef4 119 _y = y;
frankvnk 0:282710e02ef4 120 // window settings
frankvnk 0:282710e02ef4 121 _x1 = x;
frankvnk 0:282710e02ef4 122 _x2 = x + w - 1;
frankvnk 0:282710e02ef4 123 _y1 = y;
frankvnk 0:282710e02ef4 124 _y2 = y + h - 1;
frankvnk 0:282710e02ef4 125 }
frankvnk 0:282710e02ef4 126
frankvnk 0:282710e02ef4 127 void GraphicsDisplay::putp(int colour) {
frankvnk 0:282710e02ef4 128 pixel(_x, _y, colour);
frankvnk 0:282710e02ef4 129 _x++;
frankvnk 0:282710e02ef4 130 if(_x > _x2) {
frankvnk 0:282710e02ef4 131 _x = _x1;
frankvnk 0:282710e02ef4 132 _y++;
frankvnk 0:282710e02ef4 133 if(_y > _y2) {
frankvnk 0:282710e02ef4 134 _y = _y1;
frankvnk 0:282710e02ef4 135 }
frankvnk 0:282710e02ef4 136 }
frankvnk 0:282710e02ef4 137 }
frankvnk 0:282710e02ef4 138
frankvnk 0:282710e02ef4 139 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) {
frankvnk 0:282710e02ef4 140 window(x, y, w, h);
frankvnk 0:282710e02ef4 141 for(int i=0; i<w*h; i++) {
frankvnk 0:282710e02ef4 142 putp(colour);
frankvnk 0:282710e02ef4 143 }
frankvnk 0:282710e02ef4 144 }
frankvnk 0:282710e02ef4 145
frankvnk 0:282710e02ef4 146 void GraphicsDisplay::cls() {
frankvnk 0:282710e02ef4 147 fill(0, 0, width(), height(), _background);
frankvnk 0:282710e02ef4 148 }
frankvnk 0:282710e02ef4 149
frankvnk 0:282710e02ef4 150 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) {
frankvnk 0:282710e02ef4 151 window(x, y, w, h);
frankvnk 0:282710e02ef4 152 for(int i=0; i<w*h; i++) {
frankvnk 0:282710e02ef4 153 putp(colour[i]);
frankvnk 0:282710e02ef4 154 }
frankvnk 0:282710e02ef4 155 }
frankvnk 0:282710e02ef4 156
frankvnk 0:282710e02ef4 157 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
frankvnk 0:282710e02ef4 158 window(x, y, w, h);
frankvnk 0:282710e02ef4 159 for(int i = 0; i < w*h; i++) {
frankvnk 0:282710e02ef4 160 char byte = colour[i >> 3];
frankvnk 0:282710e02ef4 161 int offset = i & 0x7;
frankvnk 0:282710e02ef4 162 int c = ((byte << offset) & 0x80) ? _foreground : _background;
frankvnk 0:282710e02ef4 163 putp(c);
frankvnk 0:282710e02ef4 164 }
frankvnk 0:282710e02ef4 165 }
frankvnk 0:282710e02ef4 166
frankvnk 0:282710e02ef4 167 int GraphicsDisplay::columns() {
frankvnk 0:282710e02ef4 168 return width() / 8;
frankvnk 0:282710e02ef4 169 }
frankvnk 0:282710e02ef4 170
frankvnk 0:282710e02ef4 171 int GraphicsDisplay::rows() {
frankvnk 0:282710e02ef4 172 return height() / 8;
frankvnk 0:282710e02ef4 173 }
frankvnk 0:282710e02ef4 174