kanzi::connect::LoadImageTaskHttp Class Reference

A resource loading task that can be used to retrieve an image from the network using HTTP or HTTPS. More...

#include <load_image_task_http.hpp>

Inheritance diagram for kanzi::connect::LoadImageTaskHttp:

Public Member Functions
virtual void	loadFunction (const KzuResourceLoaderThreadContext *context) override
	A function that performs the resource loading.
	LoadImageTaskHttp (const string &url, Domain *domain)
	Constructor.
virtual	~LoadImageTaskHttp ()=default
	dtor
Public Member Functions inherited from kanzi::connect::LoadImageTask
virtual void	finishFunction (const KzuResourceLoaderThreadContext *context) override
	A function that is called when the loading is finished.
virtual ResourceSharedPtr	getResult () override
	A function that is called to retrieve the result of the loading.
	LoadImageTask (const string &url, Domain *domain)
	Constructor.
virtual	~LoadImageTask ()=default
	Desctructor.

Additional Inherited Members
Protected Types inherited from kanzi::connect::LoadImageTask
enum class	ImageType { JPG , PNG , UNSUPPORTED }
	Specifies the supported file types. More...
Protected Member Functions inherited from kanzi::connect::LoadImageTask
virtual void	decodeKanziBitmap (const KzuResourceLoaderThreadContext *context)
	LoadImageTask (const LoadImageTask &other)=delete
	No copying.
LoadImageTask &	operator= (const LoadImageTask &other)=delete
	No assignment.
Static Protected Member Functions inherited from kanzi::connect::LoadImageTask
static ImageType	detectImageType (const unsigned char *buffer, size_t lenght)
	Detect image type based on buffer contents.
static bool	isJpgImage (const unsigned char *buffer, size_t size)
	Check if the given buffer contains a valid signature for JPG file.
static bool	isPngImage (const unsigned char *buffer, size_t size)
	Check if the given buffer contains a valid signature for PNG file.
Protected Attributes inherited from kanzi::connect::LoadImageTask
Domain *	m_domain
BitmapImageUniquePtr	m_image
vector< char >	m_imageData
int	m_loadResult
bool	m_statusReported
TextureSharedPtr	m_texture
string	m_url

Detailed Description

A resource loading task that can be used to retrieve an image from the network using HTTP or HTTPS.

Constructor & Destructor Documentation

LoadImageTaskHttp()

kanzi::connect::LoadImageTaskHttp::LoadImageTaskHttp ( const string & url, Domain * domain )

explicit

Constructor.

Parameters

url	HTTP URL of the resource.
domain	Kanzi UI Domain.

~LoadImageTaskHttp()

virtual kanzi::connect::LoadImageTaskHttp::~LoadImageTaskHttp ( )

virtualdefault

dtor

Member Function Documentation

loadFunction()

virtual void kanzi::connect::LoadImageTaskHttp::loadFunction ( const KzuResourceLoaderThreadContext * context )

overridevirtual

A function that performs the resource loading.

Parameters

context

Thread context, unused.

Reimplemented from kanzi::connect::LoadImageTask.

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

• connect/kanzi_adaptation/http_loaders/load_image_task_http.hpp