mehmet gok / MemoryLCD

Fork of Silabs MemoryLCD library

Dependents:   demoUI whrmDemoUI Host_Software_MAX32664GWEB_HR_EXTENDED Host_Software_MAX32664GWEC_SpO2_HR-_EXTE ... more

C++ library for Sharp Microelectronics 1.28 inch LCD TFT, LS013B7DH03, SPI bus. Forked from Silicon Labs MemoryLCD display driver.

GraphicsDisplay.cpp@12:ca0bcb4777e9, 2019-01-02 (annotated)

Committer:
gmehmet
Date:
Wed Jan 02 13:20:35 2019 +0300
Revision:
12:ca0bcb4777e9
Parent:
11:0f8ae10b308d 
adapt memorylcd code to use it with maxim boards

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Steven Cooreman 0:a0faa86660d4 1 /* mbed GraphicsDisplay Display Library Base Class
Steven Cooreman 0:a0faa86660d4 2 * Copyright (c) 2007-2009 sford
Steven Cooreman 0:a0faa86660d4 3 * Released under the MIT License: http://mbed.org/license/mit
Steven Cooreman 0:a0faa86660d4 4 */
Steven Cooreman 0:a0faa86660d4 5
gmehmet 12:ca0bcb4777e9 6 #include "../screen/GraphicsDisplay.h"
Steven Cooreman 0:a0faa86660d4 7
stevew817 11:0f8ae10b308d 8 #define incx() x++, dxt += d2xt, t += dxt
stevew817 11:0f8ae10b308d 9 #define incy() y--, dyt += d2yt, t += dyt
stevew817 11:0f8ae10b308d 10
Steven Cooreman 0:a0faa86660d4 11 const unsigned char FONT8x8[97][8] = {
Steven Cooreman 0:a0faa86660d4 12 {0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00}, // columns, rows, num_bytes_per_char
Steven Cooreman 0:a0faa86660d4 13 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, // space 0x20
Steven Cooreman 0:a0faa86660d4 14 {0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00}, // !
Steven Cooreman 0:a0faa86660d4 15 {0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00}, // "
Steven Cooreman 0:a0faa86660d4 16 {0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00}, // #
Steven Cooreman 0:a0faa86660d4 17 {0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00}, // $
Steven Cooreman 0:a0faa86660d4 18 {0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00}, // %
Steven Cooreman 0:a0faa86660d4 19 {0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00}, // &
Steven Cooreman 0:a0faa86660d4 20 {0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00}, // '
Steven Cooreman 0:a0faa86660d4 21 {0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00}, // (
Steven Cooreman 0:a0faa86660d4 22 {0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00}, // )
Steven Cooreman 0:a0faa86660d4 23 {0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00}, // *
Steven Cooreman 0:a0faa86660d4 24 {0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00}, // +
Steven Cooreman 0:a0faa86660d4 25 {0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30}, // ,
Steven Cooreman 0:a0faa86660d4 26 {0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00}, // -
Steven Cooreman 0:a0faa86660d4 27 {0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00}, // .
Steven Cooreman 0:a0faa86660d4 28 {0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00}, // / (forward slash)
Steven Cooreman 0:a0faa86660d4 29 {0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00}, // 0 0x30
Steven Cooreman 0:a0faa86660d4 30 {0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00}, // 1
Steven Cooreman 0:a0faa86660d4 31 {0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00}, // 2
Steven Cooreman 0:a0faa86660d4 32 {0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00}, // 3
Steven Cooreman 0:a0faa86660d4 33 {0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00}, // 4
Steven Cooreman 0:a0faa86660d4 34 {0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00}, // 5
Steven Cooreman 0:a0faa86660d4 35 {0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00}, // 6
Steven Cooreman 0:a0faa86660d4 36 {0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00}, // 7
Steven Cooreman 0:a0faa86660d4 37 {0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00}, // 8
Steven Cooreman 0:a0faa86660d4 38 {0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00}, // 9
Steven Cooreman 0:a0faa86660d4 39 {0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00}, // :
Steven Cooreman 0:a0faa86660d4 40 {0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30}, // ;
Steven Cooreman 0:a0faa86660d4 41 {0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00}, // <
Steven Cooreman 0:a0faa86660d4 42 {0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00}, // =
Steven Cooreman 0:a0faa86660d4 43 {0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00}, // >
Steven Cooreman 0:a0faa86660d4 44 {0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00}, // ?
Steven Cooreman 0:a0faa86660d4 45 {0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00}, // @ 0x40
Steven Cooreman 0:a0faa86660d4 46 {0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00}, // A
Steven Cooreman 0:a0faa86660d4 47 {0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00}, // B
Steven Cooreman 0:a0faa86660d4 48 {0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00}, // C
Steven Cooreman 0:a0faa86660d4 49 {0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00}, // D
Steven Cooreman 0:a0faa86660d4 50 {0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00}, // E
Steven Cooreman 0:a0faa86660d4 51 {0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00}, // F
Steven Cooreman 0:a0faa86660d4 52 {0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00}, // G
Steven Cooreman 0:a0faa86660d4 53 {0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00}, // H
Steven Cooreman 0:a0faa86660d4 54 {0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00}, // I
Steven Cooreman 0:a0faa86660d4 55 {0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00}, // J
Steven Cooreman 0:a0faa86660d4 56 {0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00}, // K
Steven Cooreman 0:a0faa86660d4 57 {0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00}, // L
Steven Cooreman 0:a0faa86660d4 58 {0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00}, // M
Steven Cooreman 0:a0faa86660d4 59 {0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00}, // N
Steven Cooreman 0:a0faa86660d4 60 {0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00}, // O
Steven Cooreman 0:a0faa86660d4 61 {0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00}, // P 0x50
Steven Cooreman 0:a0faa86660d4 62 {0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00}, // Q
Steven Cooreman 0:a0faa86660d4 63 {0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00}, // R
Steven Cooreman 0:a0faa86660d4 64 {0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00}, // S
Steven Cooreman 0:a0faa86660d4 65 {0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00}, // T
Steven Cooreman 0:a0faa86660d4 66 {0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00}, // U
Steven Cooreman 0:a0faa86660d4 67 {0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00}, // V
Steven Cooreman 0:a0faa86660d4 68 {0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00}, // W
Steven Cooreman 0:a0faa86660d4 69 {0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00}, // X
Steven Cooreman 0:a0faa86660d4 70 {0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00}, // Y
Steven Cooreman 0:a0faa86660d4 71 {0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00}, // Z
Steven Cooreman 0:a0faa86660d4 72 {0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00}, // [
Steven Cooreman 0:a0faa86660d4 73 {0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00}, // \ (back slash)
Steven Cooreman 0:a0faa86660d4 74 {0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00}, // ]
Steven Cooreman 0:a0faa86660d4 75 {0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00}, // ^
Steven Cooreman 0:a0faa86660d4 76 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF}, // _
Steven Cooreman 0:a0faa86660d4 77 {0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00}, // ` 0x60
Steven Cooreman 0:a0faa86660d4 78 {0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00}, // a
Steven Cooreman 0:a0faa86660d4 79 {0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00}, // b
Steven Cooreman 0:a0faa86660d4 80 {0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00}, // c
Steven Cooreman 0:a0faa86660d4 81 {0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00}, // d
Steven Cooreman 0:a0faa86660d4 82 {0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00}, // e
Steven Cooreman 0:a0faa86660d4 83 {0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00}, // f
Steven Cooreman 0:a0faa86660d4 84 {0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C}, // g
Steven Cooreman 0:a0faa86660d4 85 {0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00}, // h
Steven Cooreman 0:a0faa86660d4 86 {0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00}, // i
Steven Cooreman 0:a0faa86660d4 87 {0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C}, // j
Steven Cooreman 0:a0faa86660d4 88 {0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00}, // k
Steven Cooreman 0:a0faa86660d4 89 {0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00}, // l
Steven Cooreman 0:a0faa86660d4 90 {0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00}, // m
Steven Cooreman 0:a0faa86660d4 91 {0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00}, // n
Steven Cooreman 0:a0faa86660d4 92 {0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00}, // o
Steven Cooreman 0:a0faa86660d4 93 {0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78}, // p
Steven Cooreman 0:a0faa86660d4 94 {0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F}, // q
Steven Cooreman 0:a0faa86660d4 95 {0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00}, // r
Steven Cooreman 0:a0faa86660d4 96 {0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00}, // s
Steven Cooreman 0:a0faa86660d4 97 {0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00}, // t
Steven Cooreman 0:a0faa86660d4 98 {0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00}, // u
Steven Cooreman 0:a0faa86660d4 99 {0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00}, // v
Steven Cooreman 0:a0faa86660d4 100 {0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00}, // w
Steven Cooreman 0:a0faa86660d4 101 {0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00}, // x
Steven Cooreman 0:a0faa86660d4 102 {0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C}, // y
Steven Cooreman 0:a0faa86660d4 103 {0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00}, // z
Steven Cooreman 0:a0faa86660d4 104 {0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00}, // {
Steven Cooreman 0:a0faa86660d4 105 {0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00}, // |
Steven Cooreman 0:a0faa86660d4 106 {0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00}, // }
Steven Cooreman 0:a0faa86660d4 107 {0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00}, // ~
Steven Cooreman 0:a0faa86660d4 108 {0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}}; // DEL
Steven Cooreman 0:a0faa86660d4 109
Steven Cooreman 0:a0faa86660d4 110 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
Steven Cooreman 0:a0faa86660d4 111 foreground((uint16_t)Black);
Steven Cooreman 0:a0faa86660d4 112 background((uint16_t)White);
Steven Cooreman 0:a0faa86660d4 113 // current pixel location
Steven Cooreman 0:a0faa86660d4 114 _x = 0;
Steven Cooreman 0:a0faa86660d4 115 _y = 0;
Steven Cooreman 0:a0faa86660d4 116 // window settings
Steven Cooreman 0:a0faa86660d4 117 _x1 = 0;
Steven Cooreman 0:a0faa86660d4 118 _x2 = 0;
Steven Cooreman 0:a0faa86660d4 119 _y1 = 0;
Steven Cooreman 0:a0faa86660d4 120 _y2 = 0;
Steven Cooreman 0:a0faa86660d4 121 }
Steven Cooreman 0:a0faa86660d4 122
Steven Cooreman 0:a0faa86660d4 123 void GraphicsDisplay::character(int column, int row, int value) {
stevew817 11:0f8ae10b308d 124 if(externalfont){ // send external font
stevew817 11:0f8ae10b308d 125 unsigned int hor,vert,offset,bpl,j,i,b;
stevew817 11:0f8ae10b308d 126 const unsigned char* sign;
stevew817 11:0f8ae10b308d 127 unsigned char z,w;
stevew817 11:0f8ae10b308d 128 if ((value < 31) || (value > 127)) return; // test char range
stevew817 11:0f8ae10b308d 129 // read font parameter from start of array
stevew817 11:0f8ae10b308d 130 offset = font[0]; // bytes / char
stevew817 11:0f8ae10b308d 131 hor = font[1]; // get hor size of font
stevew817 11:0f8ae10b308d 132 vert = font[2]; // get vert size of font
stevew817 11:0f8ae10b308d 133 bpl = font[3]; // bytes per line
stevew817 11:0f8ae10b308d 134 if (char_x + hor > width()) {
stevew817 11:0f8ae10b308d 135 char_x = 0;
stevew817 11:0f8ae10b308d 136 char_y = char_y + vert;
stevew817 11:0f8ae10b308d 137 if (char_y >= height() - font[2]) {
stevew817 11:0f8ae10b308d 138 char_y = 0;
stevew817 11:0f8ae10b308d 139 }
stevew817 11:0f8ae10b308d 140 }
stevew817 11:0f8ae10b308d 141 window(char_x, char_y,hor,vert); // char box
stevew817 11:0f8ae10b308d 142 sign = &font[((value -32) * offset) + 4]; // start of char bitmap
stevew817 11:0f8ae10b308d 143 w = sign[0]; // width of actual char
stevew817 11:0f8ae10b308d 144 for (j=0; j<vert; j++) { // vert line
stevew817 11:0f8ae10b308d 145 for (i=0; i<hor; i++) { // horz line
stevew817 11:0f8ae10b308d 146 z = sign[bpl * i + ((j & 0xF8) >> 3)+1];
stevew817 11:0f8ae10b308d 147 b = 1 << (j & 0x07);
stevew817 11:0f8ae10b308d 148 if (( z & b ) == 0x00) {
stevew817 11:0f8ae10b308d 149 putp(_foreground);
stevew817 11:0f8ae10b308d 150 }
stevew817 11:0f8ae10b308d 151 else {
stevew817 11:0f8ae10b308d 152 putp(_background);
stevew817 11:0f8ae10b308d 153 }
stevew817 11:0f8ae10b308d 154 }
stevew817 11:0f8ae10b308d 155 }
stevew817 11:0f8ae10b308d 156 if ((w + 2) < hor) { // x offset to next char
stevew817 11:0f8ae10b308d 157 char_x += w + 2;
stevew817 11:0f8ae10b308d 158 }
stevew817 11:0f8ae10b308d 159 else char_x += hor;
stevew817 11:0f8ae10b308d 160 }
stevew817 11:0f8ae10b308d 161 // send default font
stevew817 11:0f8ae10b308d 162 else {
stevew817 11:0f8ae10b308d 163 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
stevew817 11:0f8ae10b308d 164 }
Steven Cooreman 0:a0faa86660d4 165 }
Steven Cooreman 0:a0faa86660d4 166
Steven Cooreman 0:a0faa86660d4 167 void GraphicsDisplay::window(int x, int y, int w, int h) {
Steven Cooreman 0:a0faa86660d4 168 // current pixel location
Steven Cooreman 0:a0faa86660d4 169 _x = x;
Steven Cooreman 0:a0faa86660d4 170 _y = y;
Steven Cooreman 0:a0faa86660d4 171 // window settings
Steven Cooreman 0:a0faa86660d4 172 _x1 = x;
Steven Cooreman 0:a0faa86660d4 173 _x2 = x + w - 1;
Steven Cooreman 0:a0faa86660d4 174 _y1 = y;
Steven Cooreman 0:a0faa86660d4 175 _y2 = y + h - 1;
Steven Cooreman 0:a0faa86660d4 176 }
Steven Cooreman 0:a0faa86660d4 177
Steven Cooreman 0:a0faa86660d4 178 void GraphicsDisplay::putp(int colour) {
Steven Cooreman 0:a0faa86660d4 179 // put pixel at current pixel location
Steven Cooreman 0:a0faa86660d4 180 pixel(_x, _y, colour);
Steven Cooreman 0:a0faa86660d4 181 // update pixel location based on window settings
Steven Cooreman 0:a0faa86660d4 182 _x++;
Steven Cooreman 0:a0faa86660d4 183 if(_x > _x2) {
Steven Cooreman 0:a0faa86660d4 184 _x = _x1;
Steven Cooreman 0:a0faa86660d4 185 _y++;
Steven Cooreman 0:a0faa86660d4 186 if(_y > _y2) {
Steven Cooreman 0:a0faa86660d4 187 _y = _y1;
Steven Cooreman 0:a0faa86660d4 188 }
Steven Cooreman 0:a0faa86660d4 189 }
Steven Cooreman 0:a0faa86660d4 190 }
Steven Cooreman 0:a0faa86660d4 191
stevew817 11:0f8ae10b308d 192 void GraphicsDisplay::rect(int x0, int y0, int x1, int y1, int color) {
stevew817 11:0f8ae10b308d 193 if (x1 > x0) hline(x0,x1,y0,color);
stevew817 11:0f8ae10b308d 194 else hline(x1,x0,y0,color);
stevew817 11:0f8ae10b308d 195 if (y1 > y0) vline(x0,y0,y1,color);
stevew817 11:0f8ae10b308d 196 else vline(x0,y1,y0,color);
stevew817 11:0f8ae10b308d 197 if (x1 > x0) hline(x0,x1,y1,color);
stevew817 11:0f8ae10b308d 198 else hline(x1,x0,y1,color);
stevew817 11:0f8ae10b308d 199 if (y1 > y0) vline(x1,y0,y1,color);
stevew817 11:0f8ae10b308d 200 else vline(x1,y1,y0,color);
stevew817 11:0f8ae10b308d 201 return;
stevew817 11:0f8ae10b308d 202 }
stevew817 11:0f8ae10b308d 203
stevew817 11:0f8ae10b308d 204 void GraphicsDisplay::fillrect(int x0, int y0, int w, int h, int colour) {
stevew817 11:0f8ae10b308d 205 unsigned long int index=0;
stevew817 11:0f8ae10b308d 206 if (w < 0) {
stevew817 11:0f8ae10b308d 207 x0 = x0 + w;
stevew817 11:0f8ae10b308d 208 w = -w;
stevew817 11:0f8ae10b308d 209 }
stevew817 11:0f8ae10b308d 210 if (h < 0) {
stevew817 11:0f8ae10b308d 211 y0 = y0 + h;
stevew817 11:0f8ae10b308d 212 h = -h;
stevew817 11:0f8ae10b308d 213 }
stevew817 11:0f8ae10b308d 214 window(x0,y0,w,h);
stevew817 11:0f8ae10b308d 215 int num = h*w;
stevew817 11:0f8ae10b308d 216 for( index = 0; index<num; index++ ) {
stevew817 11:0f8ae10b308d 217 putp(colour);
stevew817 11:0f8ae10b308d 218 }
stevew817 11:0f8ae10b308d 219 return;
stevew817 11:0f8ae10b308d 220 }
stevew817 11:0f8ae10b308d 221
Steven Cooreman 0:a0faa86660d4 222 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) {
stevew817 11:0f8ae10b308d 223 fillrect(x, y, w, h, colour);
Steven Cooreman 0:a0faa86660d4 224 }
srodk 5:26851f9655cf 225
srodk 5:26851f9655cf 226 void GraphicsDisplay::circle(int x, int y, int r,int colour){
srodk 5:26851f9655cf 227 int ce = -r;
srodk 5:26851f9655cf 228 int cx = r;
srodk 5:26851f9655cf 229 int cy = 0;
srodk 5:26851f9655cf 230 while(cx >= cy){
srodk 5:26851f9655cf 231 pixel(x+cx,y+cy,colour);
srodk 5:26851f9655cf 232 pixel(x-cx,y-cy,colour);
srodk 5:26851f9655cf 233 pixel(x-cx,y+cy,colour);
srodk 5:26851f9655cf 234 pixel(x+cx,y-cy,colour);
srodk 5:26851f9655cf 235 pixel(x+cy,y+cx,colour);
srodk 5:26851f9655cf 236 pixel(x-cy,y+cx,colour);
srodk 5:26851f9655cf 237 pixel(x-cy,y-cx,colour);
srodk 5:26851f9655cf 238 pixel(x+cy,y-cx,colour);
srodk 5:26851f9655cf 239 ce += 2*cy++ + 1;
srodk 5:26851f9655cf 240 if(ce >= 0){
srodk 5:26851f9655cf 241 ce -= 2*cx---1;
srodk 5:26851f9655cf 242 }
srodk 5:26851f9655cf 243
srodk 5:26851f9655cf 244 }
srodk 5:26851f9655cf 245
srodk 5:26851f9655cf 246 }
stevew817 11:0f8ae10b308d 247
stevew817 11:0f8ae10b308d 248 // To draw circle set a and b to the same values
stevew817 11:0f8ae10b308d 249 void GraphicsDisplay::ellipse(int xc, int yc, int a, int b, unsigned int colour)
stevew817 11:0f8ae10b308d 250 {
stevew817 11:0f8ae10b308d 251 /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */
stevew817 11:0f8ae10b308d 252 int x = 0, y = b;
stevew817 11:0f8ae10b308d 253 long a2 = (long)a*a, b2 = (long)b*b;
stevew817 11:0f8ae10b308d 254 long crit1 = -(a2/4 + a%2 + b2);
stevew817 11:0f8ae10b308d 255 long crit2 = -(b2/4 + b%2 + a2);
stevew817 11:0f8ae10b308d 256 long crit3 = -(b2/4 + b%2);
stevew817 11:0f8ae10b308d 257 long t = -a2*y; // e(x+1/2,y-1/2) - (a^2+b^2)/4
stevew817 11:0f8ae10b308d 258 long dxt = 2*b2*x, dyt = -2*a2*y;
stevew817 11:0f8ae10b308d 259 long d2xt = 2*b2, d2yt = 2*a2;
stevew817 11:0f8ae10b308d 260
stevew817 11:0f8ae10b308d 261 while (y>=0 && x<=a) {
stevew817 11:0f8ae10b308d 262 pixel(xc+x, yc+y, colour);
stevew817 11:0f8ae10b308d 263 if (x!=0 || y!=0)
stevew817 11:0f8ae10b308d 264 pixel(xc-x, yc-y, colour);
stevew817 11:0f8ae10b308d 265 if (x!=0 && y!=0) {
stevew817 11:0f8ae10b308d 266 pixel(xc+x, yc-y, colour);
stevew817 11:0f8ae10b308d 267 pixel(xc-x, yc+y, colour);
stevew817 11:0f8ae10b308d 268 }
stevew817 11:0f8ae10b308d 269 if (t + b2*x <= crit1 || // e(x+1,y-1/2) <= 0
stevew817 11:0f8ae10b308d 270 t + a2*y <= crit3) // e(x+1/2,y) <= 0
stevew817 11:0f8ae10b308d 271 incx();
stevew817 11:0f8ae10b308d 272 else if (t - a2*y > crit2) // e(x+1/2,y-1) > 0
stevew817 11:0f8ae10b308d 273 incy();
stevew817 11:0f8ae10b308d 274 else {
stevew817 11:0f8ae10b308d 275 incx();
stevew817 11:0f8ae10b308d 276 incy();
stevew817 11:0f8ae10b308d 277 }
stevew817 11:0f8ae10b308d 278 }
stevew817 11:0f8ae10b308d 279 }
stevew817 11:0f8ae10b308d 280 // To draw circle set a and b to the same values
stevew817 11:0f8ae10b308d 281 void GraphicsDisplay::fillellipse(int xc, int yc, int a, int b, unsigned int colour)
stevew817 11:0f8ae10b308d 282 {
stevew817 11:0f8ae10b308d 283 /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */
stevew817 11:0f8ae10b308d 284 int x = 0, y = b;
stevew817 11:0f8ae10b308d 285 int rx = x, ry = y;
stevew817 11:0f8ae10b308d 286 unsigned int width = 1;
stevew817 11:0f8ae10b308d 287 unsigned int height = 1;
stevew817 11:0f8ae10b308d 288 long a2 = (long)a*a, b2 = (long)b*b;
stevew817 11:0f8ae10b308d 289 long crit1 = -(a2/4 + a%2 + b2);
stevew817 11:0f8ae10b308d 290 long crit2 = -(b2/4 + b%2 + a2);
stevew817 11:0f8ae10b308d 291 long crit3 = -(b2/4 + b%2);
stevew817 11:0f8ae10b308d 292 long t = -a2*y; // e(x+1/2,y-1/2) - (a^2+b^2)/4
stevew817 11:0f8ae10b308d 293 long dxt = 2*b2*x, dyt = -2*a2*y;
stevew817 11:0f8ae10b308d 294 long d2xt = 2*b2, d2yt = 2*a2;
stevew817 11:0f8ae10b308d 295 if (b == 0) {
stevew817 11:0f8ae10b308d 296 fillrect(xc-a, yc, 2*a+1, 1, colour);
stevew817 11:0f8ae10b308d 297 return;
stevew817 11:0f8ae10b308d 298 }
stevew817 11:0f8ae10b308d 299 while (y>=0 && x<=a) {
stevew817 11:0f8ae10b308d 300 if (t + b2*x <= crit1 || // e(x+1,y-1/2) <= 0
stevew817 11:0f8ae10b308d 301 t + a2*y <= crit3) { // e(x+1/2,y) <= 0
stevew817 11:0f8ae10b308d 302 if (height == 1)
stevew817 11:0f8ae10b308d 303 ; // draw nothing
stevew817 11:0f8ae10b308d 304 else if (ry*2+1 > (height-1)*2) {
stevew817 11:0f8ae10b308d 305 fillrect(xc-rx, yc-ry, width, height-1, colour);
stevew817 11:0f8ae10b308d 306 fillrect(xc-rx, yc+ry+1, width, 1-height, colour);
stevew817 11:0f8ae10b308d 307 ry -= height-1;
stevew817 11:0f8ae10b308d 308 height = 1;
stevew817 11:0f8ae10b308d 309 } else {
stevew817 11:0f8ae10b308d 310 fillrect(xc-rx, yc-ry, width, ry*2+1, colour);
stevew817 11:0f8ae10b308d 311 ry -= ry;
stevew817 11:0f8ae10b308d 312 height = 1;
stevew817 11:0f8ae10b308d 313 }
stevew817 11:0f8ae10b308d 314 incx();
stevew817 11:0f8ae10b308d 315 rx++;
stevew817 11:0f8ae10b308d 316 width += 2;
stevew817 11:0f8ae10b308d 317 } else if (t - a2*y > crit2) { // e(x+1/2,y-1) > 0
stevew817 11:0f8ae10b308d 318 incy();
stevew817 11:0f8ae10b308d 319 height++;
stevew817 11:0f8ae10b308d 320 } else {
stevew817 11:0f8ae10b308d 321 if (ry*2+1 > height*2) {
stevew817 11:0f8ae10b308d 322 fillrect(xc-rx, yc-ry, width, height, colour);
stevew817 11:0f8ae10b308d 323 fillrect(xc-rx, yc+ry+1, width, -height, colour);
stevew817 11:0f8ae10b308d 324 } else {
stevew817 11:0f8ae10b308d 325 fillrect(xc-rx, yc-ry, width, ry*2+1, colour);
stevew817 11:0f8ae10b308d 326 }
stevew817 11:0f8ae10b308d 327 incx();
stevew817 11:0f8ae10b308d 328 incy();
stevew817 11:0f8ae10b308d 329 rx++;
stevew817 11:0f8ae10b308d 330 width += 2;
stevew817 11:0f8ae10b308d 331 ry -= height;
stevew817 11:0f8ae10b308d 332 height = 1;
stevew817 11:0f8ae10b308d 333 }
stevew817 11:0f8ae10b308d 334 }
stevew817 11:0f8ae10b308d 335 if (ry > height) {
stevew817 11:0f8ae10b308d 336 fillrect(xc-rx, yc-ry, width, height, colour);
stevew817 11:0f8ae10b308d 337 fillrect(xc-rx, yc+ry+1, width, -height, colour);
stevew817 11:0f8ae10b308d 338 } else {
stevew817 11:0f8ae10b308d 339 fillrect(xc-rx, yc-ry, width, ry*2+1, colour);
stevew817 11:0f8ae10b308d 340 }
stevew817 11:0f8ae10b308d 341 }
stevew817 11:0f8ae10b308d 342
stevew817 11:0f8ae10b308d 343
stevew817 11:0f8ae10b308d 344 void GraphicsDisplay::line(int x0, int y0, int x1, int y1, int colour) {
stevew817 11:0f8ae10b308d 345 //window(x0, y, w, h);
stevew817 11:0f8ae10b308d 346 int dx = 0, dy = 0;
stevew817 11:0f8ae10b308d 347 int dx_sym = 0, dy_sym = 0;
stevew817 11:0f8ae10b308d 348 int dx_x2 = 0, dy_x2 = 0;
stevew817 11:0f8ae10b308d 349 int di = 0;
stevew817 11:0f8ae10b308d 350 dx = x1-x0;
stevew817 11:0f8ae10b308d 351 dy = y1-y0;
stevew817 11:0f8ae10b308d 352
stevew817 11:0f8ae10b308d 353 if (dx == 0) { /* vertical line */
stevew817 11:0f8ae10b308d 354 if (y1 > y0) vline(x0,y0,y1,colour);
stevew817 11:0f8ae10b308d 355 else vline(x0,y1,y0,colour);
stevew817 11:0f8ae10b308d 356 return;
stevew817 11:0f8ae10b308d 357 }
stevew817 11:0f8ae10b308d 358 if (dx > 0) {
stevew817 11:0f8ae10b308d 359 dx_sym = 1;
stevew817 11:0f8ae10b308d 360 } else {
stevew817 11:0f8ae10b308d 361 dx_sym = -1;
stevew817 11:0f8ae10b308d 362 }
stevew817 11:0f8ae10b308d 363 if (dy == 0) { /* horizontal line */
stevew817 11:0f8ae10b308d 364 if (x1 > x0) hline(x0,x1,y0,colour);
stevew817 11:0f8ae10b308d 365 else hline(x1,x0,y0,colour);
stevew817 11:0f8ae10b308d 366 return;
stevew817 11:0f8ae10b308d 367 }
stevew817 11:0f8ae10b308d 368 if (dy > 0) {
stevew817 11:0f8ae10b308d 369 dy_sym = 1;
stevew817 11:0f8ae10b308d 370 } else {
stevew817 11:0f8ae10b308d 371 dy_sym = -1;
stevew817 11:0f8ae10b308d 372 }
stevew817 11:0f8ae10b308d 373 dx = dx_sym*dx;
stevew817 11:0f8ae10b308d 374 dy = dy_sym*dy;
stevew817 11:0f8ae10b308d 375 dx_x2 = dx*2;
stevew817 11:0f8ae10b308d 376 dy_x2 = dy*2;
stevew817 11:0f8ae10b308d 377 if (dx >= dy) {
stevew817 11:0f8ae10b308d 378 di = dy_x2 - dx;
stevew817 11:0f8ae10b308d 379 while (x0 != x1) {
stevew817 11:0f8ae10b308d 380
stevew817 11:0f8ae10b308d 381 pixel(x0, y0, colour);
stevew817 11:0f8ae10b308d 382 x0 += dx_sym;
stevew817 11:0f8ae10b308d 383 if (di<0) {
stevew817 11:0f8ae10b308d 384 di += dy_x2;
stevew817 11:0f8ae10b308d 385 } else {
stevew817 11:0f8ae10b308d 386 di += dy_x2 - dx_x2;
stevew817 11:0f8ae10b308d 387 y0 += dy_sym;
stevew817 11:0f8ae10b308d 388 }
stevew817 11:0f8ae10b308d 389 }
stevew817 11:0f8ae10b308d 390 pixel(x0, y0, colour);
stevew817 11:0f8ae10b308d 391 } else {
stevew817 11:0f8ae10b308d 392 di = dx_x2 - dy;
stevew817 11:0f8ae10b308d 393 while (y0 != y1) {
stevew817 11:0f8ae10b308d 394 pixel(x0, y0, colour);
stevew817 11:0f8ae10b308d 395 y0 += dy_sym;
stevew817 11:0f8ae10b308d 396 if (di < 0) {
stevew817 11:0f8ae10b308d 397 di += dx_x2;
stevew817 11:0f8ae10b308d 398 } else {
stevew817 11:0f8ae10b308d 399 di += dx_x2 - dy_x2;
stevew817 11:0f8ae10b308d 400 x0 += dx_sym;
stevew817 11:0f8ae10b308d 401 }
stevew817 11:0f8ae10b308d 402 }
stevew817 11:0f8ae10b308d 403 pixel(x0, y0, colour);
stevew817 11:0f8ae10b308d 404 }
stevew817 11:0f8ae10b308d 405 return;
stevew817 11:0f8ae10b308d 406 }
stevew817 11:0f8ae10b308d 407
stevew817 11:0f8ae10b308d 408 void GraphicsDisplay::hline(int x0, int x1, int y, int colour) {
stevew817 11:0f8ae10b308d 409 int w;
stevew817 11:0f8ae10b308d 410 w = x1 - x0 + 1;
stevew817 11:0f8ae10b308d 411 window(x0,y,w,1);
stevew817 11:0f8ae10b308d 412 for (int x=0; x<w; x++) {
stevew817 11:0f8ae10b308d 413 putp(colour);
stevew817 11:0f8ae10b308d 414 }
stevew817 11:0f8ae10b308d 415 return;
stevew817 11:0f8ae10b308d 416 }
stevew817 11:0f8ae10b308d 417
stevew817 11:0f8ae10b308d 418 void GraphicsDisplay::vline(int x, int y0, int y1, int colour) {
stevew817 11:0f8ae10b308d 419 int h;
stevew817 11:0f8ae10b308d 420 h = y1 - y0 + 1;
stevew817 11:0f8ae10b308d 421 window(x,y0,1,h);
stevew817 11:0f8ae10b308d 422 for (int y=0; y<h; y++) {
stevew817 11:0f8ae10b308d 423 putp(colour);
stevew817 11:0f8ae10b308d 424 }
stevew817 11:0f8ae10b308d 425 return;
stevew817 11:0f8ae10b308d 426 }
stevew817 11:0f8ae10b308d 427
Steven Cooreman 0:a0faa86660d4 428 void GraphicsDisplay::cls() {
Steven Cooreman 0:a0faa86660d4 429 fill(0, 0, width(), height(), _background);
Steven Cooreman 0:a0faa86660d4 430 }
Steven Cooreman 0:a0faa86660d4 431
Steven Cooreman 0:a0faa86660d4 432 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) {
Steven Cooreman 0:a0faa86660d4 433 window(x, y, w, h);
Steven Cooreman 0:a0faa86660d4 434 for(int i=0; i<w*h; i++) {
Steven Cooreman 0:a0faa86660d4 435 putp(colour[i]);
Steven Cooreman 0:a0faa86660d4 436 }
Steven Cooreman 0:a0faa86660d4 437 }
Steven Cooreman 0:a0faa86660d4 438
Steven Cooreman 0:a0faa86660d4 439 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
Steven Cooreman 0:a0faa86660d4 440 window(x, y, w, h);
Steven Cooreman 0:a0faa86660d4 441 for(int i = 0; i < w*h; i++) {
Steven Cooreman 0:a0faa86660d4 442 char byte = colour[i >> 3];
Steven Cooreman 0:a0faa86660d4 443 int offset = i & 0x7;
Steven Cooreman 0:a0faa86660d4 444 int c = ((byte << (offset)) & 0x80) ? _foreground : _background;
Steven Cooreman 0:a0faa86660d4 445 putp(c);
Steven Cooreman 0:a0faa86660d4 446 }
Steven Cooreman 0:a0faa86660d4 447 }
Steven Cooreman 0:a0faa86660d4 448
Steven Cooreman 0:a0faa86660d4 449 int GraphicsDisplay::columns() {
Steven Cooreman 0:a0faa86660d4 450 return width() / 8;
Steven Cooreman 0:a0faa86660d4 451 }
Steven Cooreman 0:a0faa86660d4 452
Steven Cooreman 0:a0faa86660d4 453 int GraphicsDisplay::rows() {
Steven Cooreman 0:a0faa86660d4 454 return height() / 8;
Steven Cooreman 0:a0faa86660d4 455 }
Steven Cooreman 0:a0faa86660d4 456