lv_draw_sw_mask_private.h

API reference for lv_draw_sw_mask_private.h

Summary

Functions

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

void lv_draw_sw_mask_cleanup(void)

struct

Member	Type	Description
`buf`	`uint8_t *`
`cir_opa`	`lv_opa_t *`	Opacity of values on the circumference of an 1/4 circle
`x_start_on_y`	`uint16_t *`	The x coordinate of the circle for each y value
`opa_start_on_y`	`uint16_t *`	The index of `cir_opa` for each y value
`life`	`int32_t`	How many times the entry way used
`used_cnt`	`uint32_t`	Like a semaphore to count the referencing masks
`radius`	`int32_t`	The radius of the entry

struct

Member	Type	Description
`cb`	`lv_draw_sw_mask_xcb_t`
`type`	`lv_draw_sw_mask_type_t`

struct

Member	Type	Description
`dsc`	`lv_draw_sw_mask_common_dsc_t`	The first element must be the common descriptor
`p1`	`lv_point_t`
`p2`	`lv_point_t`
`side`	`lv_draw_sw_mask_line_side_t`
`cfg`	`struct _lv_draw_sw_mask_line_param_t`
`origo`	`lv_point_t`	A point of the line
`xy_steep`	`int32_t`	X / (1024*Y) steepness (X is 0..1023 range). What is the change of X in 1024 Y?
`yx_steep`	`int32_t`	Y / (1024*X) steepness (Y is 0..1023 range). What is the change of Y in 1024 X?
`steep`	`int32_t`	Helper which stores yx_steep for flat lines and xy_steep for steep (non flat) lines
`spx`	`int32_t`	Steepness in 1 px in 0..255 range. Used only by flat lines.
`flat`	`uint8_t`	1: It's a flat line? (Near to horizontal)
`inv`	`uint8_t`	Invert the mask. The default is: Keep the left part. It is used to select left/right/top/bottom

struct

Member	Type	Description
`dsc`	`lv_draw_sw_mask_common_dsc_t`	The first element must be the common descriptor
`vertex_p`	`lv_point_t`
`start_angle`	`int32_t`
`end_angle`	`int32_t`
`cfg`	`struct _lv_draw_sw_mask_angle_param_t`
`start_line`	`lv_draw_sw_mask_line_param_t`
`end_line`	`lv_draw_sw_mask_line_param_t`
`delta_deg`	`uint16_t`

struct

Member	Type	Description
`dsc`	`lv_draw_sw_mask_common_dsc_t`	The first element must be the common descriptor
`rect`	`lv_area_t`
`radius`	`int32_t`
`outer`	`uint8_t`	Invert the mask. 0: Keep the pixels inside.
`cfg`	`struct _lv_draw_sw_mask_radius_param_t`
`circle`	`lv_draw_sw_mask_radius_circle_dsc_t *`

struct

Member	Type	Description
`dsc`	`lv_draw_sw_mask_common_dsc_t`	The first element must be the common descriptor
`coords`	`lv_area_t`
`y_top`	`int32_t`
`y_bottom`	`int32_t`
`opa_top`	`lv_opa_t`
`opa_bottom`	`lv_opa_t`
`cfg`	`struct _lv_draw_sw_mask_fade_param_t`

struct

Member	Type	Description
`dsc`	`lv_draw_sw_mask_common_dsc_t`	The first element must be the common descriptor
`coords`	`lv_area_t`
`map`	`const lv_opa_t *`
`cfg`	`struct` `_lv_draw_sw_mask_map_param_t`

typedef lv_draw_sw_mask_radius_circle_dsc_t lv_draw_sw_mask_radius_circle_dsc_arr_t[4]

Indirect dependencies