Add an (optional) default palette

Fixes #1.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

src/Kaleidoscope/FingerPainter.cpp

@@ -24,6 +24,7 @@ namespace KaleidoscopePlugins {
   uint16_t FingerPainter::paletteBase;
   uint16_t FingerPainter::colorBase;
   bool FingerPainter::editMode;
+  const cRGB *FingerPainter::defaultPalette;
 
   FingerPainter::FingerPainter (void) {
   }
@@ -130,6 +131,17 @@ namespace KaleidoscopePlugins {
       return true;
     }
 
+    if (Serial.peek() == 'd') {
+      Serial.read ();
+      if (!defaultPalette)
+        return true;
+
+      for (uint8_t i = 0; i < 16; i++) {
+        EEPROM.put (paletteBase + i * sizeof (cRGB), defaultPalette[i]);
+      }
+      return true;
+    }
+
     uint8_t i = 0;
     while (i < 16 && Serial.peek() != '\n') {
       cRGB color;

src/Kaleidoscope/FingerPainter.h

@@ -33,6 +33,8 @@ namespace KaleidoscopePlugins {
     static void toggleEdit (void);
     static bool focusHook (const char *command);
 
+    static const cRGB *defaultPalette;
+
   private:
     static uint16_t paletteBase;
     static uint16_t colorBase;
@@ -48,3 +50,23 @@ extern KaleidoscopePlugins::FingerPainter FingerPainter;
 #define FOCUS_HOOK_FINGERPAINTER FOCUS_HOOK(FingerPainter.focusHook,  \
                                             "fingerpainter.palette\n" \
                                             "fingerpainter.toggle")
+
+#define FINGERPAINTER_PALETTE_EGA (const cRGB[]) { \
+      CRGB (0x00, 0x00, 0x00),                     \
+      CRGB (0x00, 0x00, 0xaa),                     \
+      CRGB (0x00, 0xaa, 0x00),                     \
+      CRGB (0x00, 0xaa, 0xaa),                     \
+      CRGB (0xaa, 0x00, 0x00),                     \
+      CRGB (0xaa, 0x00, 0xaa),                     \
+      CRGB (0xaa, 0x55, 0x00),                     \
+      CRGB (0xaa, 0xaa, 0xaa),                     \
+                                                   \
+      CRGB (0x55, 0x55, 0x55),                     \
+      CRGB (0x55, 0x55, 0xff),                     \
+      CRGB (0x55, 0xff, 0x55),                     \
+      CRGB (0x55, 0xff, 0xff),                     \
+      CRGB (0xff, 0x55, 0x55),                     \
+      CRGB (0xff, 0x55, 0xff),                     \
+      CRGB (0xff, 0xff, 0x55),                     \
+      CRGB (0xff, 0xff, 0xff)                      \
+  }