dpp::utility::image_data Struct Reference

Image to be received or sent to API calls. More...

#include "utility.h"

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Public Member Functions
	image_data ()=default
	Construct an empty image. More...
	image_data (const image_data &rhs)
	Copy an image. More...
	image_data (image_data &&rhs) noexcept=default
	Move an image. More...
	image_data (image_type format, const std::byte *bytes, uint32_t byte_size)
	Construct from byte buffer. More...
	image_data (image_type format, std::string_view bytes)
	Construct from string buffer. More...
std::string	base64_encode () const
	Encode to base64. More...
bool	empty () const noexcept
	Check if this is an empty image. More...
std::string	get_file_extension () const
	Get the file extension. More...
std::string	get_mime_type () const
	Get the mime type. More...
image_data &	operator= (const image_data &rhs)
	Copy an image data. More...
image_data &	operator= (image_data &&rhs) noexcept=default
	Move an image data. More...
void	set (image_type format, const std::byte *bytes, uint32_t byte_size)
	Set image data. More...
void	set (image_type format, std::string_view bytes)
	Set image data. More...
json	to_nullable_json () const
	Build a data URI scheme suitable for sending to Discord. More...

Public Attributes
std::unique_ptr< std::byte[]>	data = nullptr
	Data in bytes of the image. More...
uint32_t	size = 0
	Size of the data in bytes. More...
image_type	type = {}
	Type of the image. More...

Detailed Description

Image to be received or sent to API calls.

This class is carefully crafted to be 16 bytes, this is why we use a ptr + 4 byte size instead of a vector. We want this class to be substitutable with iconhash in data structures.

Constructor & Destructor Documentation

image_data() [1/5]

dpp::utility::image_data::image_data ( )

default

Construct an empty image.

image_data() [2/5]

dpp::utility::image_data::image_data

(

const image_data &

rhs

)

Copy an image.

Parameters

rhs	Image to copy

References dpp::utility::anonymous_namespace{utility.cpp}::copy_data(), data, and size.

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image_data() [3/5]

dpp::utility::image_data::image_data ( image_data &&  rhs )

defaultnoexcept

Move an image.

Parameters

rhs	Image to copy

image_data() [4/5]

dpp::utility::image_data::image_data	(	image_type	format,
		std::string_view	bytes
	)

Construct from string buffer.

Parameters

format	Image format
bytes	Data in a string

See also

image_type

References dpp::utility::anonymous_namespace{utility.cpp}::copy_data().

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image_data() [5/5]

dpp::utility::image_data::image_data	(	image_type	format,
		const std::byte *	bytes,
		uint32_t	byte_size
	)

Construct from byte buffer.

Parameters

format	Image format
bytes	Data of the image
byte_size	Image size in bytes

See also

image_type

References dpp::utility::anonymous_namespace{utility.cpp}::copy_data(), and data.

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Member Function Documentation

base64_encode()

std::string dpp::utility::image_data::base64_encode

(

)

const

Encode to base64.

Returns

std::string New string with the image data encoded in base64

References dpp::base64_encode(), data, and size.

Referenced by to_nullable_json().

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empty()

bool dpp::utility::image_data::empty ( ) const

noexcept

Check if this is an empty image.

Returns

bool Whether the image is empty or not

References size.

Referenced by to_nullable_json().

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get_file_extension()

std::string dpp::utility::image_data::get_file_extension

(

)

const

Get the file extension.

Alias for file_extension

Returns

std::string File extension e.g. .png

References dpp::utility::file_extension(), and type.

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get_mime_type()

std::string dpp::utility::image_data::get_mime_type

(

)

const

Get the mime type.

Alias for mime_type

Returns

std::string File mime type e.g. "image/png"

References dpp::utility::mime_type(), and type.

Referenced by to_nullable_json().

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operator=() [1/2]

image_data & dpp::utility::image_data::operator=

(

const image_data &

rhs

)

Copy an image data.

Parameters

rhs	Image to copy

Returns

self for chaining

References dpp::utility::anonymous_namespace{utility.cpp}::copy_data(), data, size, and type.

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operator=() [2/2]

image_data& dpp::utility::image_data::operator= ( image_data &&  rhs )

defaultnoexcept

Move an image data.

Parameters

rhs	Image to move from

Returns

self for chaining

set() [1/2]

void dpp::utility::image_data::set	(	image_type	format,
		const std::byte *	bytes,
		uint32_t	byte_size
	)

Set image data.

Parameters

format	Format of the image
bytes	Data of the image
byte_size	Image size in bytes

References dpp::utility::bytes(), dpp::utility::anonymous_namespace{utility.cpp}::copy_data(), data, and size.

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set() [2/2]

void dpp::utility::image_data::set	(	image_type	format,
		std::string_view	bytes
	)

Set image data.

Parameters

format	Image format
bytes	Data of the image

References dpp::utility::bytes(), dpp::utility::anonymous_namespace{utility.cpp}::copy_data(), data, and size.

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to_nullable_json()

json dpp::utility::image_data::to_nullable_json

(

)

const

Build a data URI scheme suitable for sending to Discord.

See also

https://discord.com/developers/docs/reference#image-data

Returns

The data URI scheme as a json or null if empty

References base64_encode(), empty(), and get_mime_type().

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Member Data Documentation

data

std::unique_ptr<std::byte[]> dpp::utility::image_data::data = nullptr

Data in bytes of the image.

Referenced by base64_encode(), image_data(), operator=(), and set().

size

uint32_t dpp::utility::image_data::size = 0

Size of the data in bytes.

Referenced by base64_encode(), empty(), image_data(), operator=(), and set().

type

image_type dpp::utility::image_data::type = {}

Type of the image.

See also

image_type

Referenced by get_file_extension(), get_mime_type(), and operator=().

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The documentation for this struct was generated from the following files:

• utility.h
• utility.cpp