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SourceVuESP-IDF Framework and Examplesi80_controller samplelv_bin_decoder_info()

lv_bin_decoder_info() function

Get info about a lvgl binary image

Syntax

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Summary

Declaration

Definition

from lv_bin_decoder.h:42

lv_result_t lv_bin_decoder_info(lv_image_decoder_t * decoder, lv_image_decoder_dsc_t * dsc, lv_image_header_t * header);

Implemented in lv_bin_decoder.c:114

Arguments

Argument

Description

decoder

the decoder where this function belongs

dsc

image descriptor containing the source and type of the image and other info.

store the image data here

Return value

LV_RESULT_OK: the info is successfully stored in `header`; LV_RESULT_INVALID: unknown format or other error.

References

Code

Location

Referrer

lv_result_t lv_bin_decoder_info(lv_image_decoder_t * decoder, lv_image_decoder_dsc_t * dsc, lv_image_header_t * header)

lv_bin_decoder.c:114

lv_result_t lv_bin_decoder_info(lv_image_decoder_t * decoder, lv_image_decoder_dsc_t * dsc, lv_image_header_t * header);

lv_bin_decoder.h:42

lv_image_decoder_set_info_cb(decoder, lv_bin_decoder_info);

lv_bin_decoder.c:106

lv_bin_decoder_init()

Call Tree

lv_bin_decoder_info() calls 4 functions:

lv_bin_decoder_info()

Data Use

lv_bin_decoder_info() reads 13 variables and writes 6 variables:

lv_fs_res_t::LV_FS_RES_OK

lv_image_src_t::LV_IMAGE_SRC_VARIABLE

lv_image_src_t::LV_IMAGE_SRC_FILE

lv_image_src_t::LV_IMAGE_SRC_SYMBOL

lv_color_format_t::LV_COLOR_FORMAT_A8

lv_image_flags_t::LV_IMAGE_FLAGS_MODIFIABLE

lv_image_header_t::magic

lv_image_header_t::flags

lv_image_flags_t::LV_IMAGE_FLAGS_PREMULTIPLIED

lv_result_t::LV_RESULT_INVALID

lv_result_t::LV_RESULT_OK

lv_image_decoder_dsc_t::src

lv_image_decoder_dsc_t::src_type

lv_bin_decoder_info()

lv_bin_decoder_init()

lv_image_header_t::magic

lv_image_header_t::cf

lv_image_header_t::flags

lv_image_header_t::w

lv_image_header_t::h

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Instances

Lifecycle

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