blender_rgb
typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba8, order_rgb>, rendering_buffer> pixfmt_rgb24; //----pixfmt_rgb24
typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba8, order_bgr>, rendering_buffer> pixfmt_bgr24; //----pixfmt_bgr24
typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba16, order_rgb>, rendering_buffer> pixfmt_rgb48; //----pixfmt_rgb48
typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba16, order_bgr>, rendering_buffer> pixfmt_bgr48; //----pixfmt_bgr48