lv_draw_sw_grad.h

API reference for lv_draw_sw_grad.h

Summary

Functions

Get a gradient cache from the given parameters

lv_draw_sw_grad_calc_t * lv_draw_sw_grad_get(const lv_grad_dsc_t *gradient, int32_t w, int32_t h)

Calculate a line segment of a linear gradient

void lv_draw_sw_grad_linear_get_line(lv_grad_dsc_t *dsc, int32_t xp, int32_t yp, int32_t width, lv_draw_sw_grad_calc_t *result)

Name	Type	Description
`dsc`	`lv_grad_dsc_t *`	gradient descriptor
`xp`	`int32_t`	starting point x coordinate in gradient space
`yp`	`int32_t`	starting point y coordinate in gradient space
`width`	`int32_t`	width of the line segment in pixels
`result`	`lv_draw_sw_grad_calc_t *`	color buffer for the resulting line segment

Calculate a line segment of a radial gradient

void lv_draw_sw_grad_radial_get_line(lv_grad_dsc_t *dsc, int32_t xp, int32_t yp, int32_t width, lv_draw_sw_grad_calc_t *result)

Name	Type	Description
`dsc`	`lv_grad_dsc_t *`	gradient descriptor
`xp`	`int32_t`	starting point x coordinate in gradient space
`yp`	`int32_t`	starting point y coordinate in gradient space
`width`	`int32_t`	width of the line segment in pixels
`result`	`lv_draw_sw_grad_calc_t *`	color buffer for the resulting line segment

Calculate a line segment of a conical gradient

void lv_draw_sw_grad_conical_get_line(lv_grad_dsc_t *dsc, int32_t xp, int32_t yp, int32_t width, lv_draw_sw_grad_calc_t *result)

Name	Type	Description
`dsc`	`lv_grad_dsc_t *`	gradient descriptor
`xp`	`int32_t`	starting point x coordinate in gradient space
`yp`	`int32_t`	starting point y coordinate in gradient space
`width`	`int32_t`	width of the line segment in pixels
`result`	`lv_draw_sw_grad_calc_t *`	color buffer for the resulting line segment

struct

Used by 4 functions