Move Bitmap struct and clear sprite/text files

include/blit.h

@@ -1,6 +1,13 @@
 #ifndef GUARD_BLIT_H
 #define GUARD_BLIT_H
 
+struct Bitmap
+{
+    u8* pixels;
+    u32 width:16;
+    u32 height:16;
+};
+
 void BlitBitmapRect4BitWithoutColorKey(struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height);
 void BlitBitmapRect4Bit(struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey);
 void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);