Michael Kuchnik / Mbed 2 deprecated uLCD_Multiscreen

Allows users to seamlessly write to 2 or 3 uLCD screens as if they were one large screen.

Dependencies:   4DGL-uLCD-SE mbed-rtos mbed

uLCD_Multiscreen.cpp@0:15002a72309b, 2015-03-11 (annotated)

Committer:
Mkuchnik3
Date:
Wed Mar 11 21:33:18 2015 +0000
Revision:
0:15002a72309b
First Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mkuchnik3 0:15002a72309b 1 #include "uLCD_Multiscreen.h"
Mkuchnik3 0:15002a72309b 2 #include "mbed.h"
Mkuchnik3 0:15002a72309b 3 uLCD_Multiscreen::uLCD_Multiscreen(vector<uLCD_4DGL*> screens) : virtualScreen(screens, 128, 128 * screens.size())
Mkuchnik3 0:15002a72309b 4 {
Mkuchnik3 0:15002a72309b 5 printf("Multiscreen Booting.");
Mkuchnik3 0:15002a72309b 6 }
Mkuchnik3 0:15002a72309b 7
Mkuchnik3 0:15002a72309b 8 void uLCD_Multiscreen::unfilledRectangle(int x, int y, int w, int h, int color)
Mkuchnik3 0:15002a72309b 9 {
Mkuchnik3 0:15002a72309b 10 for(int i = x; i <= x + w; i++) {
Mkuchnik3 0:15002a72309b 11 virtualScreen.setPixel(i, y, color);
Mkuchnik3 0:15002a72309b 12 }
Mkuchnik3 0:15002a72309b 13 for(int i = x; i <= x + w; i++) {
Mkuchnik3 0:15002a72309b 14 virtualScreen.setPixel(i, y + h, color);
Mkuchnik3 0:15002a72309b 15 }
Mkuchnik3 0:15002a72309b 16
Mkuchnik3 0:15002a72309b 17 for(int i = y; i <= y + h; i++) {
Mkuchnik3 0:15002a72309b 18 virtualScreen.setPixel(x, i, color);
Mkuchnik3 0:15002a72309b 19 }
Mkuchnik3 0:15002a72309b 20 for(int i = y; i <= y + h; i++) {
Mkuchnik3 0:15002a72309b 21 virtualScreen.setPixel(x + w, i, color);
Mkuchnik3 0:15002a72309b 22 }
Mkuchnik3 0:15002a72309b 23
Mkuchnik3 0:15002a72309b 24 }
Mkuchnik3 0:15002a72309b 25
Mkuchnik3 0:15002a72309b 26 void uLCD_Multiscreen::drawLine(int x1, int y1, int x2, int y2, int color)
Mkuchnik3 0:15002a72309b 27 {
Mkuchnik3 0:15002a72309b 28 int delta_x(x2 - x1);
Mkuchnik3 0:15002a72309b 29 // if x1 == x2, then it does not matter what we set here
Mkuchnik3 0:15002a72309b 30 signed char const ix((delta_x > 0) - (delta_x < 0));
Mkuchnik3 0:15002a72309b 31 delta_x = std::abs(delta_x) << 1;
Mkuchnik3 0:15002a72309b 32
Mkuchnik3 0:15002a72309b 33 int delta_y(y2 - y1);
Mkuchnik3 0:15002a72309b 34 // if y1 == y2, then it does not matter what we set here
Mkuchnik3 0:15002a72309b 35 signed char const iy((delta_y > 0) - (delta_y < 0));
Mkuchnik3 0:15002a72309b 36 delta_y = std::abs(delta_y) << 1;
Mkuchnik3 0:15002a72309b 37
Mkuchnik3 0:15002a72309b 38 virtualScreen.setPixel(x1, y1, color);
Mkuchnik3 0:15002a72309b 39
Mkuchnik3 0:15002a72309b 40 if (delta_x >= delta_y)
Mkuchnik3 0:15002a72309b 41 {
Mkuchnik3 0:15002a72309b 42 // error may go below zero
Mkuchnik3 0:15002a72309b 43 int error(delta_y - (delta_x >> 1));
Mkuchnik3 0:15002a72309b 44
Mkuchnik3 0:15002a72309b 45 while (x1 != x2)
Mkuchnik3 0:15002a72309b 46 {
Mkuchnik3 0:15002a72309b 47 if ((error >= 0) && (error || (ix > 0)))
Mkuchnik3 0:15002a72309b 48 {
Mkuchnik3 0:15002a72309b 49 error -= delta_x;
Mkuchnik3 0:15002a72309b 50 y1 += iy;
Mkuchnik3 0:15002a72309b 51 }
Mkuchnik3 0:15002a72309b 52 // else do nothing
Mkuchnik3 0:15002a72309b 53
Mkuchnik3 0:15002a72309b 54 error += delta_y;
Mkuchnik3 0:15002a72309b 55 x1 += ix;
Mkuchnik3 0:15002a72309b 56
Mkuchnik3 0:15002a72309b 57 virtualScreen.setPixel(x1, y1, color);
Mkuchnik3 0:15002a72309b 58 }
Mkuchnik3 0:15002a72309b 59 }
Mkuchnik3 0:15002a72309b 60 else
Mkuchnik3 0:15002a72309b 61 {
Mkuchnik3 0:15002a72309b 62 // error may go below zero
Mkuchnik3 0:15002a72309b 63 int error(delta_x - (delta_y >> 1));
Mkuchnik3 0:15002a72309b 64
Mkuchnik3 0:15002a72309b 65 while (y1 != y2)
Mkuchnik3 0:15002a72309b 66 {
Mkuchnik3 0:15002a72309b 67 if ((error >= 0) && (error || (iy > 0)))
Mkuchnik3 0:15002a72309b 68 {
Mkuchnik3 0:15002a72309b 69 error -= delta_y;
Mkuchnik3 0:15002a72309b 70 x1 += ix;
Mkuchnik3 0:15002a72309b 71 }
Mkuchnik3 0:15002a72309b 72 // else do nothing
Mkuchnik3 0:15002a72309b 73
Mkuchnik3 0:15002a72309b 74 error += delta_x;
Mkuchnik3 0:15002a72309b 75 y1 += iy;
Mkuchnik3 0:15002a72309b 76
Mkuchnik3 0:15002a72309b 77 virtualScreen.setPixel(x1, y1, color);
Mkuchnik3 0:15002a72309b 78 }
Mkuchnik3 0:15002a72309b 79 }
Mkuchnik3 0:15002a72309b 80 }
Mkuchnik3 0:15002a72309b 81
Mkuchnik3 0:15002a72309b 82 void uLCD_Multiscreen::unfilledCircle(int x0, int y0, int radius, int color)
Mkuchnik3 0:15002a72309b 83 {
Mkuchnik3 0:15002a72309b 84 int x = radius;
Mkuchnik3 0:15002a72309b 85 int y = 0;
Mkuchnik3 0:15002a72309b 86 int radiusError = 1-x;
Mkuchnik3 0:15002a72309b 87
Mkuchnik3 0:15002a72309b 88 while(x >= y)
Mkuchnik3 0:15002a72309b 89 {
Mkuchnik3 0:15002a72309b 90 virtualScreen.setPixel(x + x0, y + y0, color);
Mkuchnik3 0:15002a72309b 91 virtualScreen.setPixel(y + x0, x + y0, color);
Mkuchnik3 0:15002a72309b 92 virtualScreen.setPixel(-x + x0, y + y0, color);
Mkuchnik3 0:15002a72309b 93 virtualScreen.setPixel(-y + x0, x + y0, color);
Mkuchnik3 0:15002a72309b 94 virtualScreen.setPixel(-x + x0, -y + y0, color);
Mkuchnik3 0:15002a72309b 95 virtualScreen.setPixel(-y + x0, -x + y0, color);
Mkuchnik3 0:15002a72309b 96 virtualScreen.setPixel(x + x0, -y + y0, color);
Mkuchnik3 0:15002a72309b 97 virtualScreen.setPixel(y + x0, -x + y0, color);
Mkuchnik3 0:15002a72309b 98 y++;
Mkuchnik3 0:15002a72309b 99 if (radiusError<0)
Mkuchnik3 0:15002a72309b 100 {
Mkuchnik3 0:15002a72309b 101 radiusError += 2 * y + 1;
Mkuchnik3 0:15002a72309b 102 }
Mkuchnik3 0:15002a72309b 103 else
Mkuchnik3 0:15002a72309b 104 {
Mkuchnik3 0:15002a72309b 105 x--;
Mkuchnik3 0:15002a72309b 106 radiusError += 2 * (y - x) + 1;
Mkuchnik3 0:15002a72309b 107 }
Mkuchnik3 0:15002a72309b 108 }
Mkuchnik3 0:15002a72309b 109 }
Mkuchnik3 0:15002a72309b 110
Mkuchnik3 0:15002a72309b 111 void uLCD_Multiscreen::cls() {
Mkuchnik3 0:15002a72309b 112 virtualScreen.clearScreen();
Mkuchnik3 0:15002a72309b 113 }
Mkuchnik3 0:15002a72309b 114
Mkuchnik3 0:15002a72309b 115
Mkuchnik3 0:15002a72309b 116 void uLCD_Multiscreen::changeBackground(int color) {
Mkuchnik3 0:15002a72309b 117 virtualScreen.background_color(color);
Mkuchnik3 0:15002a72309b 118 }
Mkuchnik3 0:15002a72309b 119 void uLCD_Multiscreen::setBaudRate(int rate) {
Mkuchnik3 0:15002a72309b 120 virtualScreen.setBaudRate(rate);
Mkuchnik3 0:15002a72309b 121 }