Consider 4 components of a color where:
unsigned char red = 0x10;
unsigned char green = 0xFF;
unsigned char blue = 0x0F;
unsigned char alpha = 0x44;
Generate a packed color ARGB which is a 32 bit integer such that A is in the
MSB of ARGB followed by red, green, blue
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| A | R | G | B |
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