lv_draw_sw_mask_private.h

Typedefs

typedef lv_draw_sw_mask_radius_circle_dsc_t lv_draw_sw_mask_radius_circle_dsc_arr_t[4]

Functions

void lv_draw_sw_mask_cleanup(void): Called by LVGL the rendering of a screen is ready to clean up the temporal (cache) data of the masks

struct lv_draw_sw_mask_radius_circle_dsc_t

Public Members

uint8_t *buf

lv_opa_t *cir_opa: Opacity of values on the circumference of an 1/4 circle

uint16_t *x_start_on_y: The x coordinate of the circle for each y value

uint16_t *opa_start_on_y: The index of cir_opa for each y value

int32_t life: How many times the entry way used

uint32_t used_cnt: Like a semaphore to count the referencing masks

int32_t radius: The radius of the entry

struct _lv_draw_sw_mask_common_dsc_t

Public Members

lv_draw_sw_mask_xcb_t cb

lv_draw_sw_mask_type_t type

struct _lv_draw_sw_mask_line_param_t

Public Members

lv_draw_sw_mask_common_dsc_t dsc: The first element must be the common descriptor

lv_point_t p1

lv_point_t p2

lv_draw_sw_mask_line_side_t side

struct _lv_draw_sw_mask_line_param_t cfg

lv_point_t origo: A point of the line

int32_t xy_steep: X / (1024*Y) steepness (X is 0..1023 range). What is the change of X in 1024 Y?

int32_t yx_steep: Y / (1024*X) steepness (Y is 0..1023 range). What is the change of Y in 1024 X?

int32_t steep: Helper which stores yx_steep for flat lines and xy_steep for steep (non flat) lines

int32_t spx: Steepness in 1 px in 0..255 range. Used only by flat lines.

uint8_t flat: 1: It's a flat line? (Near to horizontal)

uint8_t inv: Invert the mask. The default is: Keep the left part. It is used to select left/right/top/bottom

struct _lv_draw_sw_mask_angle_param_t

Public Members

lv_draw_sw_mask_common_dsc_t dsc: The first element must be the common descriptor

lv_point_t vertex_p

int32_t start_angle

int32_t end_angle

struct _lv_draw_sw_mask_angle_param_t cfg

lv_draw_sw_mask_line_param_t start_line

lv_draw_sw_mask_line_param_t end_line

uint16_t delta_deg

struct _lv_draw_sw_mask_radius_param_t

Public Members

lv_draw_sw_mask_common_dsc_t dsc: The first element must be the common descriptor

lv_area_t rect

int32_t radius

uint8_t outer: Invert the mask. 0: Keep the pixels inside.

struct _lv_draw_sw_mask_radius_param_t cfg

lv_draw_sw_mask_radius_circle_dsc_t *circle

struct _lv_draw_sw_mask_fade_param_t

Public Members

lv_draw_sw_mask_common_dsc_t dsc: The first element must be the common descriptor

lv_area_t coords

int32_t y_top

int32_t y_bottom

lv_opa_t opa_top

lv_opa_t opa_bottom

struct _lv_draw_sw_mask_fade_param_t cfg

struct _lv_draw_sw_mask_map_param_t

Public Members

lv_draw_sw_mask_common_dsc_t dsc: The first element must be the common descriptor

lv_area_t coords

const lv_opa_t *map

struct _lv_draw_sw_mask_map_param_t cfg