what is the value returned when we perform
image[i]>>18 & 0x30, image[i]>>12 & 0xc, image[i]>>6 & 0x3
to an image
what is the value returned when we perform image[i]>>18 & 0x30, image[i]>>12 & 0xc,
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what is the value returned when we perform
image[i]>>18 & 0x30, image[i]>>12 & 0xc, image[i]>>6 & 0x3
to an image
It is building a number which contains the 6th, 7th, 14th, 15th, 22nd and 23rd bits from the original image’s colour. i.e. it is producing a crude 6-bit colour from a 24-bit colour.
e.g.
becomes the top bits of