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SourceVuESP-IDF Framework and Examplesi80_controller samplelv_image_decoder_args_t

lv_image_decoder_args_t struct

DEFINES TYPEDEFS Image decoder args. It determines how to decoder an image, e.g. whether to premultiply the alpha or not. It should be passed to lv_img_decoder_open() function. If NULL is provided, default args are used. Default args: all field are zero or false.

Syntax

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Summary

Declaration

Definition

from lv_types.h:142

typedef struct lv_image_decoder_args_t lv_image_decoder_args_t;

Implemented in lv_image_decoder_private.h:36

Fields

Field

Declared as

Description

lv_image_decoder_args_t::stride_align

bool

Whether stride should be aligned.

lv_image_decoder_args_t::premultiply

bool

Whether image should be premultiplied or not after decoding.

lv_image_decoder_args_t::no_cache

bool

When set, decoded image won't be put to cache, and decoder open will also ignore cache.

lv_image_decoder_args_t::use_indexed

bool

Decoded indexed image as is. Convert to ARGB8888 if false.

lv_image_decoder_args_t::flush_cache

bool

Whether to flush the data cache after decoding.

References

Code

Location

Scope

Referrer

struct lv_image_decoder_args_t {

lv_image_decoder_private.h:36

typedef struct lv_image_decoder_args_t lv_image_decoder_args_t;

lv_result_t lv_image_decoder_open(lv_image_decoder_dsc_t * dsc, const void * src, const lv_image_decoder_args_t * args)

lv_image_decoder.c:92

lv_image_decoder_open()

lv_image_decoder_open()::args

dsc->args = args ? *args : (lv_image_decoder_args_t) {

lv_image_decoder.c:116

lv_image_decoder_open()

lv_image_decoder_args_t * args = &dsc->args;

lv_image_decoder.c:244

lv_image_decoder_post_process()

lv_result_t lv_image_decoder_open(lv_image_decoder_dsc_t * dsc, const void * src, const lv_image_decoder_args_t * args);

lv_image_decoder.h:107

lv_image_decoder_open()

lv_image_decoder_open()::args

lv_image_decoder_args_t args;

lv_image_decoder_private.h:80

lv_image_decoder_dsc_t

lv_image_decoder_dsc_t::args

typedef struct lv_image_decoder_args_t lv_image_decoder_args_t;

lv_image_decoder_args_t

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Implementations

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Instances

Instance

Scope

Location

Project

lv_image_decoder_dsc_t::args

lv_image_decoder_dsc_t

lv_image_decoder_private.h:80

lv_image_decoder_open()::args

lv_image_decoder_open()

lv_image_decoder.h:107

lv_image_decoder_open()::args

lv_image_decoder_open()

lv_image_decoder.c:92

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