Diff: uLCD_Multiscreen.cpp

Revision:

0:15002a72309b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uLCD_Multiscreen.cpp	Wed Mar 11 21:33:18 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::unfilledCircle(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);
+}