Ratchapong T
/
uLCD_ExtendedScreen
Allow user to connect multiple screen.
Diff: uLCD_Multiscreen/uLCD_Multiscreen.cpp
- Revision:
- 0:052d0f82433e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uLCD_Multiscreen/uLCD_Multiscreen.cpp Wed Mar 11 05:00:37 2015 +0000 @@ -0,0 +1,121 @@ +#include "uLCD_Multiscreen.h" +#include "mbed.h" +uLCD_Multiscreen::uLCD_Multiscreen(vector<uLCD_4DGL*> screens) : virtualScreen(screens, 128, 128 * screens.size()) +{ + printf("Multiscreen Booting."); +} + +void uLCD_Multiscreen::unfilledRectangle(int x, int y, int w, int h, int color) +{ + for(int i = x; i <= x + w; i++) { + virtualScreen.setPixel(i, y, color); + } + for(int i = x; i <= x + w; i++) { + virtualScreen.setPixel(i, y + h, color); + } + + for(int i = y; i <= y + h; i++) { + virtualScreen.setPixel(x, i, color); + } + for(int i = y; i <= y + h; i++) { + virtualScreen.setPixel(x + w, i, color); + } + +} + +void uLCD_Multiscreen::drawLine(int x1, int y1, int x2, int y2, int color) +{ + int delta_x(x2 - x1); + // if x1 == x2, then it does not matter what we set here + signed char const ix((delta_x > 0) - (delta_x < 0)); + delta_x = std::abs(delta_x) << 1; + + int delta_y(y2 - y1); + // if y1 == y2, then it does not matter what we set here + signed char const iy((delta_y > 0) - (delta_y < 0)); + delta_y = std::abs(delta_y) << 1; + + virtualScreen.setPixel(x1, y1, color); + + if (delta_x >= delta_y) + { + // error may go below zero + int error(delta_y - (delta_x >> 1)); + + while (x1 != x2) + { + if ((error >= 0) && (error || (ix > 0))) + { + error -= delta_x; + y1 += iy; + } + // else do nothing + + error += delta_y; + x1 += ix; + + virtualScreen.setPixel(x1, y1, color); + } + } + else + { + // error may go below zero + int error(delta_x - (delta_y >> 1)); + + while (y1 != y2) + { + if ((error >= 0) && (error || (iy > 0))) + { + error -= delta_y; + x1 += ix; + } + // else do nothing + + error += delta_x; + y1 += iy; + + virtualScreen.setPixel(x1, y1, color); + } + } +} + +void uLCD_Multiscreen::unfilledCirlce(int x0, int y0, int radius, int color) +{ + int x = radius; + int y = 0; + int radiusError = 1-x; + + while(x >= y) + { + virtualScreen.setPixel(x + x0, y + y0, color); + virtualScreen.setPixel(y + x0, x + y0, color); + virtualScreen.setPixel(-x + x0, y + y0, color); + virtualScreen.setPixel(-y + x0, x + y0, color); + virtualScreen.setPixel(-x + x0, -y + y0, color); + virtualScreen.setPixel(-y + x0, -x + y0, color); + virtualScreen.setPixel(x + x0, -y + y0, color); + virtualScreen.setPixel(y + x0, -x + y0, color); + y++; + if (radiusError<0) + { + radiusError += 2 * y + 1; + } + else + { + x--; + radiusError += 2 * (y - x) + 1; + } + } +} + +void uLCD_Multiscreen::cls() { + virtualScreen.clearScreen(); +} + + +void uLCD_Multiscreen::changeBackground(int color) { + virtualScreen.background_color(color); +} +void uLCD_Multiscreen::setBaudRate(int rate) { + virtualScreen.setBaudRate(rate); +}