1 files changed, 41 insertions, 0 deletions
diff --git a/source/Screen.cpp b/source/Screen.cpp
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--- /dev/null
+++ b/source/Screen.cpp
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+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 British Broadcasting Corporation.
+This software is provided by Lancaster University by arrangement with the BBC.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+#include "Screen.h"
+
+/**
+ * Method for plotting a line, gotten from wonder-bit-source.
+ */
+void plotYLine(MicroBit *uBit, int y1, int y2, int x) {
+    if (y1 >= y2) {
+        for (int y = y2; y <= y1; y++) {
+            (*uBit).display.image.setPixelValue(x, y, 255);
+        }
+    }
+    else if (y1 < y2) {
+        for (int y = y1; y <= y2; y++) {
+            (*uBit).display.image.setPixelValue(x, y, 255);
+        }
+    }
+}