lv_color.h

Defines

_LV_COLOR_NATIVE_WITH_ALPHA_SIZE

LV_OPA_MIN

LV_OPA_MAX

LV_COLOR_FORMAT_IS_ALPHA_ONLY(cf)

LV_COLOR_FORMAT_IS_INDEXED(cf)

LV_COLOR_INDEXED_PALETTE_SIZE(cf)

LV_COLOR_MAKE(r8, g8, b8)

LV_OPA_MIX2(a1, a2)

LV_OPA_MIX3(a1, a2, a3)

Typedefs

typedef _lv_opa_t lv_opa_t

typedef _lv_color_format_t lv_color_format_t

Enums

enum _lv_opa_t

Opacity percentages.

Values:

enumerator LV_OPA_TRANSP

enumerator LV_OPA_0

enumerator LV_OPA_10

enumerator LV_OPA_20

enumerator LV_OPA_30

enumerator LV_OPA_40

enumerator LV_OPA_50

enumerator LV_OPA_60

enumerator LV_OPA_70

enumerator LV_OPA_80

enumerator LV_OPA_90

enumerator LV_OPA_100

enumerator LV_OPA_COVER

enum _lv_color_format_t

Values:

enumerator LV_COLOR_FORMAT_UNKNOWN

enumerator LV_COLOR_FORMAT_RAW

enumerator LV_COLOR_FORMAT_RAW_ALPHA

enumerator LV_COLOR_FORMAT_L8

enumerator LV_COLOR_FORMAT_I1

enumerator LV_COLOR_FORMAT_I2

enumerator LV_COLOR_FORMAT_I4

enumerator LV_COLOR_FORMAT_I8

enumerator LV_COLOR_FORMAT_A8

enumerator LV_COLOR_FORMAT_RGB565

enumerator LV_COLOR_FORMAT_RGB565A8: Color array followed by Alpha array

enumerator LV_COLOR_FORMAT_RGB888

enumerator LV_COLOR_FORMAT_ARGB8888

enumerator LV_COLOR_FORMAT_XRGB8888

enumerator LV_COLOR_FORMAT_A1

enumerator LV_COLOR_FORMAT_A2

enumerator LV_COLOR_FORMAT_A4

enumerator LV_COLOR_FORMAT_NATIVE

enumerator LV_COLOR_FORMAT_NATIVE_WITH_ALPHA

Functions

uint8_t lv_color_format_get_bpp(lv_color_format_t cf)

Get the pixel size of a color format in bits, bpp

Parameters:: src_cf -- a color format (LV_COLOR_FORMAT_...)
Returns:: the pixel size in bits

static inline uint8_t lv_color_format_get_size(lv_color_format_t cf)

Get the pixel size of a color format in bytes

Parameters:: src_cf -- a color format (LV_COLOR_FORMAT_...)
Returns:: the pixel size in bytes

bool lv_color_format_has_alpha(lv_color_format_t src_cf)

Check if a color format has alpha channel or not

Parameters:: src_cf -- a color format (LV_IMAGE_CF_...)
Returns:: true: has alpha channel; false: doesn't have alpha channel

lv_color32_t lv_color_to_32(lv_color_t color, lv_opa_t opa)

static inline uint32_t lv_color_to_int(lv_color_t c)

static inline lv_color_t lv_color_from_int(uint32_t v)

static inline bool lv_color_eq(lv_color_t c1, lv_color_t c2)

static inline bool lv_color32_eq(lv_color32_t c1, lv_color32_t c2)

static inline lv_color_t lv_color_hex(uint32_t c)

static inline lv_color_t lv_color_make(uint8_t r, uint8_t g, uint8_t b)

static inline lv_color32_t lv_color32_make(uint8_t r, uint8_t g, uint8_t b, uint8_t a)

static inline lv_color_t lv_color_hex3(uint32_t c)

uint16_t lv_color_to_u16(lv_color_t color)

uint32_t lv_color_to_u32(lv_color_t color)

static inline uint16_t lv_color_16_16_mix(uint16_t c1, uint16_t c2, uint8_t mix)

lv_color_t lv_color_lighten(lv_color_t c, lv_opa_t lvl)

lv_color_t lv_color_darken(lv_color_t c, lv_opa_t lvl)

lv_color_t lv_color_hsv_to_rgb(uint16_t h, uint8_t s, uint8_t v)

Convert a HSV color to RGB

Parameters:

h -- hue [0..359]
s -- saturation [0..100]
v -- value [0..100]

Returns:

the given RGB color in RGB (with LV_COLOR_DEPTH depth)

lv_color_hsv_t lv_color_rgb_to_hsv(uint8_t r8, uint8_t g8, uint8_t b8)

Convert a 32-bit RGB color to HSV

Parameters:

r8 -- 8-bit red
g8 -- 8-bit green
b8 -- 8-bit blue

Returns:

the given RGB color in HSV

lv_color_hsv_t lv_color_to_hsv(lv_color_t color)

Convert a color to HSV

Parameters:: color -- color
Returns:: the given color in HSV

static inline lv_color_t lv_color_white(void)

static inline lv_color_t lv_color_black(void)

Variables

const lv_color_filter_dsc_t lv_color_filter_shade

struct lv_color_t

Public Members

uint8_t blue

uint8_t green

uint8_t red

struct lv_color16_t

Public Members

uint16_t blue

uint16_t green

uint16_t red

struct lv_color32_t

Public Members

uint8_t blue

uint8_t green

uint8_t red

uint8_t alpha

struct lv_color_hsv_t

Public Members

uint16_t h

uint8_t s

uint8_t v