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add LV_COLOR_16_SWAP option

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This commit is contained in:
Gabor Kiss-Vamosi
2018-08-07 08:20:34 +02:00
parent 73bc138b70
commit 9b2097e5e4
2 changed files with 51 additions and 1 deletions
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51
lv_misc/lv_color.h
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@@ -96,9 +96,21 @@ typedef union
{
struct
{
#if LV_COLOR_16_SWAP == 0
uint16_t blue :5;
uint16_t green :6;
uint16_t red :5;
#else
// uint16_t blue :5;
// uint16_t green_h :3;
// uint16_t green_l :3;
// uint16_t red :5;
uint16_t green_h :3;
uint16_t red :5;
uint16_t blue :5;
uint16_t green_l :3;
#endif
};
uint16_t full;
} lv_color16_t;
@@ -171,10 +183,17 @@ static inline uint8_t lv_color_to1(lv_color_t color)
return 0;
}
#elif LV_COLOR_DEPTH == 16
# if LV_COLOR_16_SWAP == 0
if((color.red & 0x10) ||
(color.green & 0x20) ||
(color.blue & 0x10)) {
return 1;
# else
if((color.red & 0x10) ||
(color.green_h & 0x20) ||
(color.blue & 0x10)) {
return 1;
# endif
} else {
return 0;
}
@@ -197,11 +216,20 @@ static inline uint8_t lv_color_to8(lv_color_t color)
#elif LV_COLOR_DEPTH == 8
return color.full;
#elif LV_COLOR_DEPTH == 16
# if LV_COLOR_16_SWAP == 0
lv_color8_t ret;
ret.red = color.red >> 2; /* 5 - 3 = 2*/
ret.green = color.green >> 3; /* 6 - 3 = 3*/
ret.blue = color.blue >> 3; /* 5 - 2 = 3*/
return ret.full;
# else
lv_color8_t ret;
ret.red = color.red >> 2; /* 5 - 3 = 2*/
ret.green = color.green_h; /* 6 - 3 = 3*/
ret.blue = color.blue >> 3; /* 5 - 2 = 3*/
return ret.full;
# endif
#elif LV_COLOR_DEPTH == 24
lv_color8_t ret;
ret.red = color.red >> 5; /* 8 - 3 = 5*/
@@ -246,12 +274,21 @@ static inline uint32_t lv_color_to24(lv_color_t color)
ret.alpha = 0xFF;
return ret.full;
#elif LV_COLOR_DEPTH == 16
# if LV_COLOR_16_SWAP == 0
lv_color24_t ret;
ret.red = color.red * 8; /*(2^8 - 1)/(2^5 - 1) = 255/31 = 8*/
ret.green = color.green * 4; /*(2^8 - 1)/(2^6 - 1) = 255/63 = 4*/
ret.blue = color.blue * 8; /*(2^8 - 1)/(2^5 - 1) = 255/31 = 8*/
ret.alpha = 0xFF;
return ret.full;
# else
lv_color24_t ret;
ret.red = color.red * 8; /*(2^8 - 1)/(2^5 - 1) = 255/31 = 8*/
ret.green = ((color.green_h << 3) + color.green_l) * 4; /*(2^8 - 1)/(2^6 - 1) = 255/63 = 4*/
ret.blue = color.blue * 8; /*(2^8 - 1)/(2^5 - 1) = 255/31 = 8*/
ret.alpha = 0xFF;
return ret.full;
# endif
#elif LV_COLOR_DEPTH == 24
return color.full;
#endif
@@ -262,7 +299,15 @@ static inline lv_color_t lv_color_mix(lv_color_t c1, lv_color_t c2, uint8_t mix)
lv_color_t ret;
#if LV_COLOR_DEPTH != 1
ret.red = (uint16_t)((uint16_t) c1.red * mix + (c2.red * (255 - mix))) >> 8;
# if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
uint16_t g_1 = (c1.green_h << 3) + c1.green_l;
uint16_t g_2 = (c2.green_h << 3) + c2.green_l;
uint16_t g_out = (uint16_t)((uint16_t) g_1 * mix + (g_2 * (255 - mix))) >> 8;
ret.green_h = g_out >> 3;
ret.green_l = g_out & 0x7;
# else
ret.green = (uint16_t)((uint16_t) c1.green * mix + (c2.green * (255 - mix))) >> 8;
# endif
ret.blue = (uint16_t)((uint16_t) c1.blue * mix + (c2.blue * (255 - mix))) >> 8;
# if LV_COLOR_DEPTH == 24
ret.alpha = 0xFF;
@@ -295,7 +340,11 @@ static inline uint8_t lv_color_brightness(lv_color_t color)
#elif LV_COLOR_DEPTH == 8
#define LV_COLOR_MAKE(r8, g8, b8) ((lv_color_t){{b8 >> 6, g8 >> 5, r8 >> 5}})
#elif LV_COLOR_DEPTH == 16
#define LV_COLOR_MAKE(r8, g8, b8) ((lv_color_t){{b8 >> 3, g8 >> 2, r8 >> 3}})
# if LV_COLOR_16_SWAP == 0
# define LV_COLOR_MAKE(r8, g8, b8) ((lv_color_t){{b8 >> 3, g8 >> 2, r8 >> 3}})
# else
# define LV_COLOR_MAKE(r8, g8, b8) ((lv_color_t){{g8 >> 5, r8 >> 3, b8 >> 3, (g8 >> 2) & 0x7}})
# endif
#elif LV_COLOR_DEPTH == 24
#define LV_COLOR_MAKE(r8, g8, b8) ((lv_color_t){{b8, g8, r8, 0xff}}) /*Fix 0xff alpha*/
#endif