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20 lines
627 B
C++
20 lines
627 B
C++
#include <quiz.h>
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#include <kandinsky.h>
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#include <assert.h>
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QUIZ_CASE(kandinsky_color_rgb) {
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assert(sizeof(KDColor) == 2); // We really want KDColor to be packed
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assert(KDColor(0xFF0000) == 0xF800);
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assert(KDColor(0x00FF00) == 0x07E0);
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assert(KDColor(0x0000FF) == 0x1F);
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/* R = 0x12 = 0b 0001 0010. 5 most important bits are 00010.
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* G = 0x34 = 0b 0011 0100. 6 most important bits are 001101.
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* B = 0x56 = 0b 0101 0110. 5 most important bits are 01010.
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* KDColor = 0b 00010 001101 01010
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* = 0b 0001 0001 1010 1010
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* = 0x 1 1 A A */
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assert(KDColor(0x123456) == 0x11AA);
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}
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