Initial Commit

include/Utilities.h

@@ -0,0 +1,86 @@
+#ifndef UTILITIES_H
+#define UTILITIES_H
+
+#include <Arduino.h>
+#include <FastLED.h>
+#include "GlobalSettings.h"
+
+enum class XYModes {
+    HORIZONTALSCAN,
+    HORIZONTALSERPENTINE,
+    COLUMNSCAN,
+    COLUMNSERPENTINE
+};
+
+class Utilities {
+    public:
+        static uint16_t XY(XYModes mode, uint16_t x, uint16_t y) {
+            if(mode == XYModes::HORIZONTALSCAN) {
+                return WIDTH * y + x;
+            } else if(mode == XYModes::COLUMNSCAN) {
+                return HEIGHT * x + y;
+            } else if(mode == XYModes::HORIZONTALSERPENTINE) {
+                if(y & 0x1) {
+                    return y * WIDTH + (WIDTH - 1 - x);
+                } else {
+                    return y * WIDTH + x;
+                }
+            } else if(mode == XYModes::COLUMNSERPENTINE) {
+                if(x & 0x1) {
+                    return x * HEIGHT + (HEIGHT - 1 - y);
+                } else {
+                    return x * HEIGHT + y;
+                }
+            } else {
+                return 0; //How did you get here?
+            }
+        }
+
+        static void setArea(CRGB* leds, XYModes mode, uint16_t startX, uint16_t startY, uint16_t endX, uint16_t endY, CRGB color) {
+            for(uint16_t x = startX; x < endX; x++) {
+                for(uint16_t y = startY; y < endY; y++) {
+                    leds[XY(mode, x, y)] = color;
+                }
+            }
+        }
+
+        static void setAll(CRGB* leds, XYModes mode, CRGB color) {
+            setArea(leds, mode, 0, 0, WIDTH, HEIGHT, color);
+        }
+
+        static void drawPackedSquareBitmap(CRGB* leds, XYModes mode, const uint8_t* bitmap, uint16_t xOrigin, CRGB color) {
+            for(uint16_t y = 0; y < 8; y++) {
+                uint8_t mask = 0x80;
+                for(uint16_t x = xOrigin; x < xOrigin + 8; x++) {
+                    if((bitmap[y] & mask) != 0) {
+                        leds[XY(mode, x, y)] = color;
+                    }
+
+                    mask >>= 1;
+                }
+            }
+        }
+
+        static void drawPackedFullFrameBitmap(CRGB* leds, XYModes mode, const uint32_t* bitmap, CRGB color) {
+            for(uint16_t y = 0; y < 8; y++) {
+                uint32_t mask = 0x80000000;
+                for(uint16_t x = 0; x < 32; x++) {
+                    if((bitmap[y] & mask) != 0) {
+                        leds[XY(mode, x, y)] = color;
+                    }
+
+                    mask >>= 1;
+                }
+            }
+        }
+
+        static void drawFullFrameIndexedMap(CRGB* leds, XYModes mode, uint8_t** indexMap, CRGB* colors) {
+            for(uint16_t x = 0; x < WIDTH; x++) {
+                for(uint16_t y = 0; y < HEIGHT; y++) {
+                    leds[XY(mode, x, y)] = colors[indexMap[x][y]];
+                }
+            }
+        }
+};
+
+#endif