Add BitmapCanvasPipeline, more CgxViewer updates

src/app/gfx/snes_tile.h

@@ -40,25 +40,10 @@ class TileInfo {
         vertical_mirror_(v),
         horizontal_mirror_(h),
         palette_(palette) {}
-
-  ushort ToShort() const {
-    ushort result = 0;
-
-    // Copy the id_ value
-    result |= id_ & 0x3FF;  // ids are 10 bits
-
-    // Set the vertical_mirror_, horizontal_mirror_, and over_ flags
-    result |= (vertical_mirror_ ? 1 : 0) << 10;
-    result |= (horizontal_mirror_ ? 1 : 0) << 11;
-    result |= (over_ ? 1 : 0) << 12;
-
-    // Set the palette_
-    result |= (palette_ & 0x07) << 13;  // palettes are 3 bits
-
-    return result;
-  }
 };
 
+ushort TileInfoToShort(TileInfo tile_info);
+
 TileInfo GetTilesInfo(ushort tile);
 
 class Tile32 {