i80_controller sample
shadow_draw_corner_buf()
is only used within i80_controller sample.
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ESP-IDF Framework and Examples
i80_controller sample
shadow_draw_corner_buf()
shadow_draw_corner_buf() function
STATIC FUNCTIONS Calculate a blurred corner
Syntax
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Summary
Declaration
Definition
from
lv_draw_sw_box_shadow.c:42
static
void
shadow_draw_corner_buf
(
const
lv_area_t
*
coords
,
uint16_t
*
sh_buf
,
int32_t
s
,
int32_t
r
)
;
Implemented in
lv_draw_sw_box_shadow.c:570
Arguments
Argument
Description
coords
Coordinates of the shadow
sh_buf
a buffer to store the result. Its size should be `(sw + r)^2 * 2`
s
r
radius
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