donner::svg::components::LoadedImageComponent Struct Reference

Loaded raster image resource, created from a ImageComponent when the href references a raster image (PNG, JPEG, GIF). More...

#include "donner/svg/components/resources/ImageComponent.h"

Public Member Functions
	LoadedImageComponent (ImageResource loadedImage, std::shared_ptr< DecodedImageReservation > reservation=nullptr)
	Store a decoded image with a fresh revision for cache invalidation.
	~LoadedImageComponent ()
	Destroy pixel storage while its reservation is still held.
	LoadedImageComponent (const LoadedImageComponent &other)
	Copy pixels only after reserving independent storage; refused copies contain no image.
LoadedImageComponent &	operator= (const LoadedImageComponent &other)
	Replace the image with a separately budgeted copy.
	LoadedImageComponent (LoadedImageComponent &&other) noexcept=default
	Transfer pixels and their reservation without an additional charge.
LoadedImageComponent &	operator= (LoadedImageComponent &&other) noexcept=default
	Replace pixels by transferring their existing reservation.
std::uint64_t	revision () const
	Monotonic identity for the current decoded image payload.
void	markImageModified ()
	Mark a direct mutation of the decoded image payload.

Public Attributes
std::optional< ImageResource >	image
	Loaded image resource.

Detailed Description

Loaded raster image resource, created from a ImageComponent when the href references a raster image (PNG, JPEG, GIF).

Constructor & Destructor Documentation

LoadedImageComponent() [1/3]

donner::svg::components::LoadedImageComponent::LoadedImageComponent ( ImageResource loadedImage, std::shared_ptr< DecodedImageReservation > reservation = nullptr )

inlineexplicit

Store a decoded image with a fresh revision for cache invalidation.

Parameters

loadedImage	Decoded image payload to own.
reservation	Optional shared-family reservation acquired before decoding.

LoadedImageComponent() [2/3]

donner::svg::components::LoadedImageComponent::LoadedImageComponent ( const LoadedImageComponent & other )

inline

Copy pixels only after reserving independent storage; refused copies contain no image.

Parameters

other

Image to copy, including its existing family-budget policy.

LoadedImageComponent() [3/3]

donner::svg::components::LoadedImageComponent::LoadedImageComponent ( LoadedImageComponent && other )

defaultnoexcept

Transfer pixels and their reservation without an additional charge.

Parameters

other

Image whose storage is transferred.

Member Function Documentation

operator=() [1/2]

LoadedImageComponent & donner::svg::components::LoadedImageComponent::operator= ( const LoadedImageComponent & other )

inline

Replace the image with a separately budgeted copy.

Parameters

other

Image to copy.

operator=() [2/2]

LoadedImageComponent & donner::svg::components::LoadedImageComponent::operator= ( LoadedImageComponent && other )

defaultnoexcept

Replace pixels by transferring their existing reservation.

Parameters

other

Image whose storage is transferred.

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

• donner/svg/components/resources/ImageComponent.h