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SourceVuESP-IDF Framework and Examplesi80_controller samplelv_style_transition_dsc_init()

lv_style_transition_dsc_init() function

Initialize a transition descriptor. Example:

 const static lv_style_prop_t trans_props[] = { LV_STYLE_BG_OPA, LV_STYLE_BG_COLOR, 0 };
 static lv_style_transition_dsc_t trans1;
 lv_style_transition_dsc_init(&trans1, trans_props, NULL, 300, 0, NULL);
 

Syntax

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Summary

Declaration

Definition

from lv_style.h:477

void lv_style_transition_dsc_init(lv_style_transition_dsc_t * tr, const lv_style_prop_t props[], lv_anim_path_cb_t path_cb, uint32_t time, uint32_t delay, void * user_data);

Implemented in lv_style.c:341

Arguments

Argument

Description

tr

pointer to a transition descriptor to initialize

props

an array with the properties to transition. The last element must be zero.

path_cb

an animation path (ease) callback. If `NULL` liner path will be used.

time

duration of the transition in [ms]

delay

delay before the transition in [ms]

user_data

any custom data that will be saved in the transition animation and will be available when `path_cb` is called

References

Code

Location

Referrer

void lv_style_transition_dsc_init(lv_style_transition_dsc_t * tr, const lv_style_prop_t props[],

voi lv_style_transition_dsc_init(lv_style_transition_dsc_ tr cons lv_style_prop_ props[]

lv_style_transition_dsc_init(&trans, props, lv_anim_path_linear, 300, 0, NULL);

lv_example_button_2.c:50

lv_example_button_2()

lv_style_transition_dsc_init(&transition_dsc_def, props, lv_anim_path_overshoot, 250, 100, NULL);

lv_example_button_3.c:17

lv_example_button_3()

lv_style_transition_dsc_init(&transition_dsc_pr, props, lv_anim_path_ease_in_out, 250, 0, NULL);

lv_example_button_3.c:22

lv_example_button_3()

lv_style_transition_dsc_init(&tr, tr_prop, lv_anim_path_linear, 200, 0, NULL);

lv_example_imagebutton_1.c:13

lv_example_imagebutton_1()

lv_style_transition_dsc_init(&trans, props, lv_anim_path_linear, 200, 0, NULL);

lv_example_scroll_4.c:36

lv_example_scroll_4()

lv_style_transition_dsc_init(&transition_dsc, props, lv_anim_path_linear, 300, 0, NULL);

lv_example_slider_2.c:12

lv_example_slider_2()

lv_style_transition_dsc_init(&trans_def, props, lv_anim_path_linear, 100, 200, NULL);

lv_example_style_10.c:14

lv_example_style_10()

lv_style_transition_dsc_init(&trans_pr, props, lv_anim_path_linear, 500, 0, NULL);

lv_example_style_10.c:19

lv_example_style_10()

lv_style_transition_dsc_init(&theme->trans_delayed, trans_props, lv_anim_path_linear, TRANSITION_TIME, 70, NULL);

lv_theme_default.c:235

lv_style_transition_dsc_init(&theme->trans_normal, trans_props, lv_anim_path_linear, TRANSITION_TIME, 0, NULL);

lv_theme_default.c:236

Call Tree

lv_style_transition_dsc_init() is called by 7 functions and calls 1 function:

lv_example_scroll_4()

lv_example_style_10()

lv_example_button_2()

lv_example_button_3()

lv_example_imagebutton_1()

lv_example_slider_2()

lv_style_transition_dsc_init()

Data Use

lv_style_transition_dsc_init() reads 1 variable and writes 5 variables:

lv_anim_path_linear()

lv_style_transition_dsc_init()

lv_style_transition_dsc_t::props

lv_style_transition_dsc_t::user_data

lv_style_transition_dsc_t::path_xcb

lv_style_transition_dsc_t::time

lv_style_transition_dsc_t::delay

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