example usage:
>blob_to_h infile:mainCharacterTexture.png varname:PLAYER_TEXTURE outfile:player_texture.h
player_texture.h:
//generated by blob_to_h.rs
size_t const PLAYER_TEXTURE_SIZE = 78084;
unsigned char[] const PLAYER_TEXTURE = { 0xFF,0xD8,0xFF,0xE1,0x0,0x60,0x45,0x78,0x69,0x66,0x0,0x0,0x49,0x49,0x2A,0x0,0x8,0x0,0x0,0x0,0x2,0x0,0x31,0x1,0x2,0x0,0x7,0x0,0x0,0x0,0x26,0x0,0x0,0x0,0x69,0x87,0x4,0x0,0x1,0x0,0x0,0x0,0x2E,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x50,0x69,0x63,0x61,0x73,0x61,0x0,0x0,0x3,0x0,0x0,0x90,0x7,0x0,0x4,0x0,0x0,0x0,0x30,0x32,0x32,0x30,0x2,0xA0,0x4,0x0,0x1,0x0,0x0,0x0,0x58,0x2,0x0,0x0,0x3,0xA0,0x4,0x0,0x1,0x0,0x0,0x0,0x58,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0xFF,0xDB,0x0,0x84,0x0,0x3,0x2,0x2,0x3,0x2,0x2,0x3,0x3,0x3,0x3,0x4,0x3,0x3,0x4,0x5,0x8,0x5,0x5,0x4,0x4,0x5,0xA,0x7,0x7,0x6,
...
0xFE,0x34,0xA6,0xE1,0x54,0x80,0x47,0x3D,0x7D,0x6A,0x35,0xFB,0xA3,0xE9,0x4C,0x93,0xFD,0x6C,0x5F,0x4F,0xE8,0x2B,0x45,0x14,0xD0,0x27,0x62,0x79,0x2F,0x76,0x2F,0x0,0xFE,0x54,0x8B,0xA8,0xA8,0xCE,0x78,0x35,0x5A,0x7F,0xB8,0x3F,0x1F,0xE6,0x6A,0xB4,0x9D,0x4D,0x29,0x45,0x2B,0x20,0xEA,0x6B,0xAE,0xA1,0x19,0x23,0xE6,0x7,0xDE,0xA4,0x92,0xFD,0x50,0x0,0x4E,0x1,0xF5,0xAC,0x58,0x7E,0xEA,0x7D,0x7F,0xA5,0x4F,0x79,0xF7,0x3F,0x1A,0x96,0xAC,0x36,0xCD,0x48,0xEF,0x63,0x97,0x18,0x39,0xC7,0xBD,0x49,0xF6,0xA1,0xEA,0x3F,0x3A,0xC8,0xB0,0xE8,0xD5,0x66,0xAE,0x3B,0x12,0x7F,0xFF,0xD9 };