Ratchapong T / Mbed 2 deprecated uLCD_ExtendedScreen

Allow user to connect multiple screen.

Dependencies:   mbed-rtos mbed

uLCD_Multiscreen/uLCD_Multiscreen.cpp@0:052d0f82433e, 2015-03-11 (annotated)

Committer:
Ratchapong
Date:
Wed Mar 11 05:00:37 2015 +0000
Revision:
0:052d0f82433e
Working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ratchapong 0:052d0f82433e 1 #include "uLCD_Multiscreen.h"
Ratchapong 0:052d0f82433e 2 #include "mbed.h"
Ratchapong 0:052d0f82433e 3 uLCD_Multiscreen::uLCD_Multiscreen(vector<uLCD_4DGL*> screens) : virtualScreen(screens, 128, 128 * screens.size())
Ratchapong 0:052d0f82433e 4 {
Ratchapong 0:052d0f82433e 5 printf("Multiscreen Booting.");
Ratchapong 0:052d0f82433e 6 }
Ratchapong 0:052d0f82433e 7
Ratchapong 0:052d0f82433e 8 void uLCD_Multiscreen::unfilledRectangle(int x, int y, int w, int h, int color)
Ratchapong 0:052d0f82433e 9 {
Ratchapong 0:052d0f82433e 10 for(int i = x; i <= x + w; i++) {
Ratchapong 0:052d0f82433e 11 virtualScreen.setPixel(i, y, color);
Ratchapong 0:052d0f82433e 12 }
Ratchapong 0:052d0f82433e 13 for(int i = x; i <= x + w; i++) {
Ratchapong 0:052d0f82433e 14 virtualScreen.setPixel(i, y + h, color);
Ratchapong 0:052d0f82433e 15 }
Ratchapong 0:052d0f82433e 16
Ratchapong 0:052d0f82433e 17 for(int i = y; i <= y + h; i++) {
Ratchapong 0:052d0f82433e 18 virtualScreen.setPixel(x, i, color);
Ratchapong 0:052d0f82433e 19 }
Ratchapong 0:052d0f82433e 20 for(int i = y; i <= y + h; i++) {
Ratchapong 0:052d0f82433e 21 virtualScreen.setPixel(x + w, i, color);
Ratchapong 0:052d0f82433e 22 }
Ratchapong 0:052d0f82433e 23
Ratchapong 0:052d0f82433e 24 }
Ratchapong 0:052d0f82433e 25
Ratchapong 0:052d0f82433e 26 void uLCD_Multiscreen::drawLine(int x1, int y1, int x2, int y2, int color)
Ratchapong 0:052d0f82433e 27 {
Ratchapong 0:052d0f82433e 28 int delta_x(x2 - x1);
Ratchapong 0:052d0f82433e 29 // if x1 == x2, then it does not matter what we set here
Ratchapong 0:052d0f82433e 30 signed char const ix((delta_x > 0) - (delta_x < 0));
Ratchapong 0:052d0f82433e 31 delta_x = std::abs(delta_x) << 1;
Ratchapong 0:052d0f82433e 32
Ratchapong 0:052d0f82433e 33 int delta_y(y2 - y1);
Ratchapong 0:052d0f82433e 34 // if y1 == y2, then it does not matter what we set here
Ratchapong 0:052d0f82433e 35 signed char const iy((delta_y > 0) - (delta_y < 0));
Ratchapong 0:052d0f82433e 36 delta_y = std::abs(delta_y) << 1;
Ratchapong 0:052d0f82433e 37
Ratchapong 0:052d0f82433e 38 virtualScreen.setPixel(x1, y1, color);
Ratchapong 0:052d0f82433e 39
Ratchapong 0:052d0f82433e 40 if (delta_x >= delta_y)
Ratchapong 0:052d0f82433e 41 {
Ratchapong 0:052d0f82433e 42 // error may go below zero
Ratchapong 0:052d0f82433e 43 int error(delta_y - (delta_x >> 1));
Ratchapong 0:052d0f82433e 44
Ratchapong 0:052d0f82433e 45 while (x1 != x2)
Ratchapong 0:052d0f82433e 46 {
Ratchapong 0:052d0f82433e 47 if ((error >= 0) && (error || (ix > 0)))
Ratchapong 0:052d0f82433e 48 {
Ratchapong 0:052d0f82433e 49 error -= delta_x;
Ratchapong 0:052d0f82433e 50 y1 += iy;
Ratchapong 0:052d0f82433e 51 }
Ratchapong 0:052d0f82433e 52 // else do nothing
Ratchapong 0:052d0f82433e 53
Ratchapong 0:052d0f82433e 54 error += delta_y;
Ratchapong 0:052d0f82433e 55 x1 += ix;
Ratchapong 0:052d0f82433e 56
Ratchapong 0:052d0f82433e 57 virtualScreen.setPixel(x1, y1, color);
Ratchapong 0:052d0f82433e 58 }
Ratchapong 0:052d0f82433e 59 }
Ratchapong 0:052d0f82433e 60 else
Ratchapong 0:052d0f82433e 61 {
Ratchapong 0:052d0f82433e 62 // error may go below zero
Ratchapong 0:052d0f82433e 63 int error(delta_x - (delta_y >> 1));
Ratchapong 0:052d0f82433e 64
Ratchapong 0:052d0f82433e 65 while (y1 != y2)
Ratchapong 0:052d0f82433e 66 {
Ratchapong 0:052d0f82433e 67 if ((error >= 0) && (error || (iy > 0)))
Ratchapong 0:052d0f82433e 68 {
Ratchapong 0:052d0f82433e 69 error -= delta_y;
Ratchapong 0:052d0f82433e 70 x1 += ix;
Ratchapong 0:052d0f82433e 71 }
Ratchapong 0:052d0f82433e 72 // else do nothing
Ratchapong 0:052d0f82433e 73
Ratchapong 0:052d0f82433e 74 error += delta_x;
Ratchapong 0:052d0f82433e 75 y1 += iy;
Ratchapong 0:052d0f82433e 76
Ratchapong 0:052d0f82433e 77 virtualScreen.setPixel(x1, y1, color);
Ratchapong 0:052d0f82433e 78 }
Ratchapong 0:052d0f82433e 79 }
Ratchapong 0:052d0f82433e 80 }
Ratchapong 0:052d0f82433e 81
Ratchapong 0:052d0f82433e 82 void uLCD_Multiscreen::unfilledCirlce(int x0, int y0, int radius, int color)
Ratchapong 0:052d0f82433e 83 {
Ratchapong 0:052d0f82433e 84 int x = radius;
Ratchapong 0:052d0f82433e 85 int y = 0;
Ratchapong 0:052d0f82433e 86 int radiusError = 1-x;
Ratchapong 0:052d0f82433e 87
Ratchapong 0:052d0f82433e 88 while(x >= y)
Ratchapong 0:052d0f82433e 89 {
Ratchapong 0:052d0f82433e 90 virtualScreen.setPixel(x + x0, y + y0, color);
Ratchapong 0:052d0f82433e 91 virtualScreen.setPixel(y + x0, x + y0, color);
Ratchapong 0:052d0f82433e 92 virtualScreen.setPixel(-x + x0, y + y0, color);
Ratchapong 0:052d0f82433e 93 virtualScreen.setPixel(-y + x0, x + y0, color);
Ratchapong 0:052d0f82433e 94 virtualScreen.setPixel(-x + x0, -y + y0, color);
Ratchapong 0:052d0f82433e 95 virtualScreen.setPixel(-y + x0, -x + y0, color);
Ratchapong 0:052d0f82433e 96 virtualScreen.setPixel(x + x0, -y + y0, color);
Ratchapong 0:052d0f82433e 97 virtualScreen.setPixel(y + x0, -x + y0, color);
Ratchapong 0:052d0f82433e 98 y++;
Ratchapong 0:052d0f82433e 99 if (radiusError<0)
Ratchapong 0:052d0f82433e 100 {
Ratchapong 0:052d0f82433e 101 radiusError += 2 * y + 1;
Ratchapong 0:052d0f82433e 102 }
Ratchapong 0:052d0f82433e 103 else
Ratchapong 0:052d0f82433e 104 {
Ratchapong 0:052d0f82433e 105 x--;
Ratchapong 0:052d0f82433e 106 radiusError += 2 * (y - x) + 1;
Ratchapong 0:052d0f82433e 107 }
Ratchapong 0:052d0f82433e 108 }
Ratchapong 0:052d0f82433e 109 }
Ratchapong 0:052d0f82433e 110
Ratchapong 0:052d0f82433e 111 void uLCD_Multiscreen::cls() {
Ratchapong 0:052d0f82433e 112 virtualScreen.clearScreen();
Ratchapong 0:052d0f82433e 113 }
Ratchapong 0:052d0f82433e 114
Ratchapong 0:052d0f82433e 115
Ratchapong 0:052d0f82433e 116 void uLCD_Multiscreen::changeBackground(int color) {
Ratchapong 0:052d0f82433e 117 virtualScreen.background_color(color);
Ratchapong 0:052d0f82433e 118 }
Ratchapong 0:052d0f82433e 119 void uLCD_Multiscreen::setBaudRate(int rate) {
Ratchapong 0:052d0f82433e 120 virtualScreen.setBaudRate(rate);
Ratchapong 0:052d0f82433e 121 }