Move options for dithering and brightness to run time, fix BMP.

lib/GfxRenderer/Bitmap.h

@@ -2,6 +2,8 @@
 
 #include <SdFat.h>
 
+#include <cstdint>
+
 enum class BmpReaderError : uint8_t {
   Ok = 0,
   FileInvalid,
@@ -28,7 +30,8 @@ class Bitmap {
  public:
   static const char* errorToString(BmpReaderError err);
 
-  explicit Bitmap(FsFile& file) : file(file) {}
+  explicit Bitmap(FsFile& file, bool useFloydSteinberg = false, uint8_t brightnessBoost = 0)
+      : file(file), useFloydSteinberg(useFloydSteinberg), brightnessBoost(brightnessBoost) {}
   ~Bitmap();
   BmpReaderError parseHeaders();
   BmpReaderError readNextRow(uint8_t* data, uint8_t* rowBuffer) const;
@@ -44,6 +47,8 @@ class Bitmap {
   static uint32_t readLE32(FsFile& f);
 
   FsFile& file;
+  bool useFloydSteinberg = false;
+  uint8_t brightnessBoost = 0;
   int width = 0;
   int height = 0;
   bool topDown = false;