adding getPixelColorRestored()

similar to getPixelColor, but returns the original pixel without brightness adjustments.

* getPixelColorRestored is used by segment::sPC and segment::gPC
* getPixelColor is still used by ABL (auto brightness limiter)

wled00/FX.h

@@ -976,6 +976,7 @@ class WS2812FX {  // 96 bytes
       now,
       timebase;
     uint32_t __attribute__((pure)) getPixelColor(uint_fast16_t)  const;   // WLEDMM attribute pure = does not have side-effects
+    uint32_t __attribute__((pure)) getPixelColorRestored(uint_fast16_t i)  const;// WLEDMM gets the original color from the driver (without downscaling by _bri)
 
     inline uint32_t getLastShow(void)  const { return _lastShow; }
     inline uint32_t segColor(uint8_t i)  const { return _colors_t[i]; }
@@ -1068,6 +1069,8 @@ class WS2812FX {  // 96 bytes
     std::vector<segment> _segments;
     friend class Segment;
 
+    uint32_t getPixelColorXYRestored(uint16_t x, uint16_t y)  const;  // WLEDMM gets the original color from the driver (without downscaling by _bri)
+
   private:
     uint16_t _length;
     uint8_t  _brightness;