i80_controller sample
lv_canvas_get_px()
is only used within i80_controller sample.
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ESP-IDF Framework and Examples
i80_controller sample
lv_canvas_get_px()
lv_canvas_get_px() function
Get a pixel's color and opacity
Syntax
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Summary
Declaration
Definition
from
lv_canvas.h:112
lv_color32_t
lv_canvas_get_px
(
lv_obj_t
*
obj
,
int32_t
x
,
int32_t
y
)
;
Implemented in
lv_canvas.c:202
Arguments
Argument
Description
obj
pointer to a canvas
x
X coordinate of the pixel
y
Y coordinate of the pixel
Return value
ARGB8888 color of the pixel
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