+ wxBMP_24BPP = 24, // default, do not need to set
+ //wxBMP_16BPP = 16, // wxQuantize can only do 236 colors?
+ wxBMP_8BPP = 8, // 8bpp, quantized colors
+ wxBMP_8BPP_GREY = 9, // 8bpp, rgb averaged to greys
+ wxBMP_8BPP_GRAY = wxBMP_8BPP_GREY,
+ wxBMP_8BPP_RED = 10, // 8bpp, red used as greyscale
+ wxBMP_8BPP_PALETTE = 11, // 8bpp, use the wxImage's palette
+ wxBMP_4BPP = 4, // 4bpp, quantized colors
+ wxBMP_1BPP = 1, // 1bpp, quantized "colors"
+ wxBMP_1BPP_BW = 2 // 1bpp, black & white from red
+};