setPixelColor color compression: round blue

LedLeds
- setPixelColor, round blue to nearest multitude of 32
- PhysMap, init r,g,b = 0

src/App/LedEffects.h

@@ -2689,7 +2689,7 @@ class PixelMapEffect: public Effect {
   }
 }; // PixelMap
 
-class Test: public Effect {
+class Byte2TestEffect: public Effect {
   const char * name() {return "2ByteTest";}
   uint8_t dim() {return _2D;}
   const char * tags() {return "💫";}
@@ -2729,7 +2729,7 @@ class Test: public Effect {
     byte b = random8();
     for (int x = 0; x < leds.size.x; x++) {
       if      (drawMethod == 0) leds.setPixelColor(leds.XY(x, 0), ColorFromPalette(leds.palette, r), 0);
-      else if (drawMethod == 1) leds.setPixelColorPal(leds.XY(x, 0), r, 0);
+      else if (drawMethod == 1) leds.setPixelColorPal(leds.XY(x, 0), r, 255, 0);
       else if (drawMethod == 2) leds.setPixelColor(leds.XY(x, 0), CRGB(r, g, b), 0);
       else if (drawMethod == 3) leds.setPixelColor(leds.XY(x, 0), CRGB(color.x, color.y, color.z), 0);
     }

src/App/LedLeds.cpp

@@ -53,9 +53,9 @@ void Leds::setPixelColor(unsigned16 indexV, CRGB color, unsigned8 blendAmount) {
     if (mappingTable[indexV].mapType == m_colorPal) mappingTable[indexV].mapType = m_color;
     switch (mappingTable[indexV].mapType) {
       case m_color:{
-        mappingTable[indexV].r = color.r >> 2; // 8 to 6 bits
-        mappingTable[indexV].g = color.g >> 3; // 8 to 5 bits
-        mappingTable[indexV].b = color.b >> 5; // 8 to 3 bits
+        mappingTable[indexV].r = color.r >> 2; // 8 to 6 bits, 64 values
+        mappingTable[indexV].g = color.g >> 3; // 8 to 5 bits, 32 values
+        mappingTable[indexV].b = min(color.b + 15, 255) >> 5; // 8 to 3 bits, 8 values
         break;
       }
       case m_onePixel: {

src/App/LedLeds.h

@@ -213,6 +213,9 @@ struct PhysMap {
 
   PhysMap() {
     mapType = m_color; // the default until indexP is added
+    r = 0;
+    g = 0;
+    b = 0;
   }
 
   void addIndexP(Leds &leds, uint16_t indexP);

src/App/LedModEffects.h

@@ -116,7 +116,7 @@ class LedModEffects:public SysModule {
     effects.push_back(new RipplesEffect);
     effects.push_back(new SphereMoveEffect);
     effects.push_back(new PixelMapEffect);
-    effects.push_back(new Test); // not 3D but next to pixelMap for testing
+    effects.push_back(new Byte2TestEffect); // not 3D but next to pixelMap for testing
 
     //load projections
     fixture.projections.push_back(new NoneProjection);