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Fully tested values 5 bit red/blue 0 to 31 and 6 bit green 0 to 63

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Paul Peavyhouse
2019-10-16 23:21:30 -07:00
parent 92be109cba
commit 04158b39cd
1 changed files with 3 additions and 3 deletions
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6
src/lv_misc/lv_color.h
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@@ -310,9 +310,9 @@ static inline uint32_t lv_color_to32(lv_color_t color)
* Truly any of the listed multipliers and adders would work.
* The below numbers seem the most precise.
*/
ret.ch.red = ( color.ch.red * 33 ) >> 2;
ret.ch.green = ( color.ch.green * 4 );
ret.ch.blue = ( color.ch.blue * 33 ) >> 2;
ret.ch.red = ( color.ch.red * 8423 + 7 ) >> 10;
ret.ch.green = ( color.ch.green * 259 + 3 ) >> 6;
ret.ch.blue = ( color.ch.blue * 8423 + 7 ) >> 10;
ret.ch.alpha = 0xFF;
return ret.full;
#else