Blokkal::ImageFetcher Class Reference
A utility class to fetch images via HTTP. More...
#include <blokkalimagefetcher.h>
Signals | |
| void | imageReceived (QImage image, const QString &url) |
Public Member Functions | |
| ImageFetcher (const QString &imageUrl, QObject *parent=0) | |
| bool | isAutoDelete (void) |
| void | setAutoDelete (bool enable) |
| ~ImageFetcher (void) | |
Detailed Description
A utility class to fetch images via HTTP.A utility class to fetch images via HTTP. Example usage:
ImageFetcher * fetcher = new ImageFetcher( "some.where.org/image.png" ); connect( fetcher, SIGNAL( imageReceived( QImage, const QString & ) ), this, SLOT( processImage( QImage, const QString & ) ) );
Definition at line 46 of file blokkalimagefetcher.h.
Constructor & Destructor Documentation
| Blokkal::ImageFetcher::ImageFetcher | ( | const QString & | imageUrl, | |
| QObject * | parent = 0 | |||
| ) |
Creates a new image fetcher instance. You must connect to imageReceived() imidiately. ImageFetchers are set up to destroy themself after emitting the imageReceived() signal. You can disable this with setAutoDelete().
- Parameters:
-
imageUrl url of the image to fetch parent the parent object
Definition at line 42 of file blokkalimagefetcher.cpp.
| Blokkal::ImageFetcher::~ImageFetcher | ( | void | ) |
Destructor
Definition at line 56 of file blokkalimagefetcher.cpp.
Member Function Documentation
| void Blokkal::ImageFetcher::imageReceived | ( | QImage | image, | |
| const QString & | url | |||
| ) | [signal] |
This signal is emitted when the reqested image becomes availabe. If image is a null image, an error occured.
- Parameters:
-
image the image url the url supplied to the fetcher
| bool Blokkal::ImageFetcher::isAutoDelete | ( | void | ) |
Returns whether this fetcher is set up to destroy itself after fetching the image.
- Returns:
- TRUE if the fetcher will destruct itself automatically
Definition at line 86 of file blokkalimagefetcher.cpp.
| void Blokkal::ImageFetcher::setAutoDelete | ( | bool | enable | ) |
Sets the auto delete property. When enabled, the ImageFetcher will destroy itself after emitting imageReceived. This is enabled by default.
- Parameters:
-
enable TRUE to enable auto desruction.
Definition at line 91 of file blokkalimagefetcher.cpp.
The documentation for this class was generated from the following files: