Digikam::MetaEnginePreviews Class Reference

Public Member Functions
	MetaEnginePreviews (const QByteArray &imgData)
	Open the given image data and scan the image for embedded preview images.
	MetaEnginePreviews (const QString &filePath)
	Open the given file and scan for embedded preview images.
int	count () const
	Returns how many embedded previews are available.
QByteArray	data (int index=0)
	Retrieve the image data for the specified embedded preview image.
int	dataSize (int index=0)
	For each contained preview image, return the size of the image data in bytes, width and height of the preview, the mimeType and the file extension.
QString	fileExtension (int index=0)
int	height (int index=0)
QImage	image (int index=0)
	Loads the data of the specified preview and creates a QImage from this data.
bool	isEmpty ()
	Returns if there are any preview images available.
QString	mimeType (int index=0)
QString	originalMimeType () const
	Returns the mimeType of the original image, detected from the file's content.
QSize	originalSize () const
	Returns the pixel size of the original image, as read from the file (not the metadata).
int	size () const
int	width (int index=0)

Member Function Documentation

dataSize()

int Digikam::MetaEnginePreviews::dataSize

(

int

index = 0

)

Ensure that index < count(). Previews are sorted by width*height, largest first.

image()

QImage Digikam::MetaEnginePreviews::image

(

int

index = 0

)

Returns a null QImage if the loading failed.