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Kandinsky: Introduce KDColorRGB

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Change-Id: Ic64f2ff9a441580940d37151e190fd0a3d954d8a
This commit is contained in:
Romain Goyet
2016-06-13 14:04:16 +02:00
parent 6ae2412568
commit 2bf599b786
3 changed files with 36 additions and 2 deletions
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18
kandinsky/test/color.c Normal file
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#include <quiz.h>
#include <kandinsky.h>
#include <assert.h>
QUIZ_CASE(kandinsky_color_rgb) {
KDColor foo = KDColorRGB(0xFF, 0, 0);
assert(KDColorRGB(0xFF, 0, 0) == 0xF800);
assert(KDColorRGB(0, 0xFF, 0) == 0x07E0);
assert(KDColorRGB(0, 0, 0xFF) == 0x1F);
/* R = 0x12 = 0b 0001 0010. 5 most important bits are 00010.
* G = 0x34 = 0b 0011 0100. 6 most important bits are 001101.
* B = 0x56 = 0b 0101 0110. 5 most important bits are 01010.
* KDColor = 0b 00010 001101 01010
* = 0b 0001 0001 1010 1010
* = 0x 1 1 A A */
assert(KDColorRGB(0x12, 0x34, 0x56) == 0x11AA);
}