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SourceVuESP-IDF Framework and Examplesi80_controller samplegenerate_mask()

generate_mask() function

Syntax

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Summary

Declaration

from lv_example_roller_3.c:5

static void generate_mask(lv_draw_buf_t * mask);

Arguments

Argument

mask

References

Code

Location

Referrer

static void generate_mask(lv_draw_buf_t * mask)

lv_example_roller_3.c:5

generate_mask(&mask);

lv_example_roller_3.c:79

lv_example_roller_3()

Call Tree

generate_mask() is called by 1 function and calls 11 functions:

lv_example_roller_3()

generate_mask()

lv_screen_active()

lv_obj_delete()

lv_color_white()

lv_color_black()

lv_draw_rect_dsc_init()

lv_canvas_create()

lv_canvas_set_draw_buf()

lv_canvas_fill_bg()

lv_canvas_init_layer()

lv_canvas_finish_layer()

Data Use

generate_mask() reads 8 variables and writes 5 variables:

::LV_OPA_TRANSP

lv_draw_buf_t::header

lv_image_header_t::w

lv_image_header_t::h

lv_draw_rect_dsc_t::bg_grad

lv_grad_dir_t::LV_GRAD_DIR_VER

lv_grad_dsc_t::stops

generate_mask()

lv_gradient_stop_t::color

lv_gradient_stop_t::opa

lv_grad_dsc_t::dir

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Lifecycle

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