Symbols

Files

Summary Syntax Arguments References Call Tree Data Use

SourceVuESP-IDF Framework and Examplesi80_controller samplelv_obj_transform_point_array()

lv_obj_transform_point_array() function

Transform an array of points using the angle and zoom style properties of an object

Syntax

Show:

Summary

Declaration

Definition

from lv_obj_pos.h:360

void lv_obj_transform_point_array(const lv_obj_t * obj, lv_point_t points[], size_t count, lv_obj_point_transform_flag_t flags);

Implemented in lv_obj_pos.c:777

Arguments

Argument

Description

obj

pointer to an object whose style properties should be used

points

the array of points to transform, the result will be written back here too

count

number of points in the array

flags

OR-ed valued of :cpp:enum:`lv_obj_point_transform_flag_t`

References

Code

Location

Referrer

void lv_obj_transform_point_array(const lv_obj_t * obj, lv_point_t points[], size_t count,

lv_obj_pos.c:777

void lv_obj_transform_point_array(const lv_obj_t * obj, lv_point_t points[], size_t count,

lv_obj_pos.h:360

lv_obj_transform_point_array(obj, p, 1, flags);

lv_obj_pos.c:774

lv_obj_transform_point()

if(recursive) lv_obj_transform_point_array(lv_obj_get_parent(obj), points, count, flags);

lv_obj_pos.c:786

lv_obj_transform_point_array()

if(recursive) lv_obj_transform_point_array(lv_obj_get_parent(obj), points, count, flags);

lv_obj_pos.c:791

lv_obj_transform_point_array()

lv_obj_transform_point_array(obj, p, 4, flags);

lv_obj_pos.c:805

lv_obj_get_transformed_area()

Call Tree

lv_obj_transform_point_array() is called by 3 functions and calls 4 functions:

lv_obj_transform_point()

lv_obj_transform_point_array()

lv_obj_get_transformed_area()

lv_obj_transform_point_array()

lv_obj_get_parent()

lv_obj_transform_point_array()

lv_obj_get_layer_type()

transform_point_array()

Data Use

lv_obj_transform_point_array() reads 3 variables:

lv_obj_point_transform_flag_t::LV_OBJ_POINT_TRANSFORM_FLAG_RECURSIVE

lv_obj_point_transform_flag_t::LV_OBJ_POINT_TRANSFORM_FLAG_INVERSE

lv_layer_type_t::LV_LAYER_TYPE_TRANSFORM

lv_obj_transform_point_array()

Class Tree

All items filtered out

Override Tree

All items filtered out

Implementations

All items filtered out

Instances

Lifecycle

All items filtered out