Add OnDiskBitmap which loads pixel data straight from disk.

Also, renamed Sprite's palette to pixel_shader so it can be
anything that produces colors based on values (including color values).
Added a ColorConverter that converts RGB888 (found in bitmaps) to
RGB565 for the display.

Fixes #1182

1 files changed, 1 insertions, 2 deletions

diff --git a/shared-module/displayio/Sprite.h b/shared-module/displayio/Sprite.h
index 213130af8..dc368c4b7 100644
--- a/shared-module/displayio/Sprite.h
+++ b/shared-module/displayio/Sprite.h
@@ -31,12 +31,11 @@
 #include <stdint.h>
 
 #include "py/obj.h"
-#include "shared-bindings/displayio/Palette.h"
 
 typedef struct {
     mp_obj_base_t base;
     mp_obj_t bitmap;
-    displayio_palette_t* palette;
+    mp_obj_t pixel_shader;
     uint16_t x;
     uint16_t y;
     uint16_t width;