lv_draw_blur.h

API reference for lv_draw_blur.h

Summary

Functions

Try to get a blur draw descriptor from a draw task.

lv_draw_blur_dsc_t * lv_draw_task_get_blur_dsc(lv_draw_task_t *task)

Name	Type	Description
`task`	`lv_draw_task_t *`	draw task

Returns: lv_draw_blur_dsc_t * — the task's draw descriptor or NULL if the task is not of type LV_DRAW_TASK_TYPE_BLUR

Initialize a blur draw descriptor

void lv_draw_blur_dsc_init(lv_draw_blur_dsc_t *dsc)

Name	Type	Description
`dsc`	`lv_draw_blur_dsc_t *`	pointer to a draw descriptor

Create a blur draw task

void lv_draw_blur(lv_layer_t *layer, const lv_draw_blur_dsc_t *dsc, const lv_area_t *coords)

Name	Type	Description
`layer`	`lv_layer_t *`	pointer to a layer
`dsc`	`const lv_draw_blur_dsc_t *`	pointer to an initialized `lv_draw_blur_dsc_t` variable
`coords`	`const lv_area_t *`	coordinates of the character

struct

Member	Type	Description
`base`	`lv_draw_dsc_base_t`
`blur_radius`	`int32_t`	The intensity of blur.
`corner_radius`	`int32_t`	The corner radius of the blurred area
`quality`	`lv_blur_quality_t`	Sets whether to prefer speed or precision

Used by 5 functions