org.sleuthkit.autopsy.coreutils.ImageUtils Class Reference

Static Public Member Functions
static Image	getDefaultIcon ()
static boolean	thumbnailSupported (Content content)
static Image	getIcon (Content content, int iconSize)
static File	getIconFile (Content content, int iconSize)
static File	getFile (long id)
static boolean	isJpegFileHeader (AbstractFile file)
static boolean	isPngFileHeader (AbstractFile file)

Static Public Attributes
static final int	ICON_SIZE_SMALL = 50
static final int	ICON_SIZE_MEDIUM = 100
static final int	ICON_SIZE_LARGE = 200

Static Private Member Functions
static Image	generateAndSaveIcon (Content content, int iconSize, File saveFile)
static BufferedImage	generateIcon (Content content, int iconSize)

Static Private Attributes
static final Logger	logger = Logger.getLogger(ImageUtils.class.getName())
static final Image	DEFAULT_ICON = new ImageIcon("/org/sleuthkit/autopsy/images/file-icon.png").getImage()
static final List< String >	SUPP_EXTENSIONS = Arrays.asList(ImageIO.getReaderFileSuffixes())
static final List< String >	SUPP_MIME_TYPES = new ArrayList<>(Arrays.asList(ImageIO.getReaderMIMETypes()))

Detailed Description

Utilities for creating and manipulating thumbnail and icon images.

Author

jwallace

Definition at line 49 of file ImageUtils.java.

Member Function Documentation

static Image org.sleuthkit.autopsy.coreutils.ImageUtils.generateAndSaveIcon ( Content  content, int  iconSize, File  saveFile  )

staticprivate

Generate an icon and save it to specified location.

Parameters

content	File to generate icon for
iconSize
saveFile	Location to save thumbnail to

Returns

Generated icon or null on error

Definition at line 238 of file ImageUtils.java.

References org.sleuthkit.autopsy.coreutils.ImageUtils.DEFAULT_ICON, and org.sleuthkit.autopsy.coreutils.ImageUtils.generateIcon().

Referenced by org.sleuthkit.autopsy.coreutils.ImageUtils.getIcon().

static BufferedImage org.sleuthkit.autopsy.coreutils.ImageUtils.generateIcon ( Content  content, int  iconSize  )

staticprivate

Definition at line 259 of file ImageUtils.java.

References org.sleuthkit.autopsy.corelibs.ScalrWrapper.cropImage(), org::sleuthkit::datamodel::Content.getName(), and org.sleuthkit.autopsy.corelibs.ScalrWrapper.resizeFast().

Referenced by org.sleuthkit.autopsy.coreutils.ImageUtils.generateAndSaveIcon().

static Image org.sleuthkit.autopsy.coreutils.ImageUtils.getDefaultIcon ( )

static

Get the default Icon, which is the icon for a file.

Returns

Definition at line 65 of file ImageUtils.java.

References org.sleuthkit.autopsy.coreutils.ImageUtils.DEFAULT_ICON.

static File org.sleuthkit.autopsy.coreutils.ImageUtils.getFile ( long  id )

static

Get a file object for where the cached icon should exist. The returned file may not exist.

Parameters

id

Returns

Definition at line 170 of file ImageUtils.java.

References org.sleuthkit.autopsy.casemodule.Case.getCacheDirectory(), and org.sleuthkit.autopsy.casemodule.Case.getCurrentCase().

Referenced by org.sleuthkit.autopsy.coreutils.ImageUtils.getIcon(), and org.sleuthkit.autopsy.coreutils.ImageUtils.getIconFile().

static Image org.sleuthkit.autopsy.coreutils.ImageUtils.getIcon ( Content  content, int  iconSize  )

static

Get a thumbnail of a specified size. Generates the image if it is not already cached.

Parameters

content
iconSize

Returns

Definition at line 124 of file ImageUtils.java.

References org.sleuthkit.autopsy.coreutils.ImageUtils.DEFAULT_ICON, org.sleuthkit.autopsy.coreutils.ImageUtils.generateAndSaveIcon(), org.sleuthkit.autopsy.coreutils.ImageUtils.getFile(), and org::sleuthkit::datamodel::Content.getId().

Referenced by org.sleuthkit.autopsy.coreutils.ImageUtils.getIconFile().

static File org.sleuthkit.autopsy.coreutils.ImageUtils.getIconFile ( Content  content, int  iconSize  )

static

Get a thumbnail of a specified size. Generates the image if it is not already cached.

Parameters

content
iconSize

Returns

File object for cached image. Is guaranteed to exist.

Definition at line 156 of file ImageUtils.java.

References org.sleuthkit.autopsy.coreutils.ImageUtils.getFile(), org.sleuthkit.autopsy.coreutils.ImageUtils.getIcon(), and org::sleuthkit::datamodel::Content.getId().

static boolean org.sleuthkit.autopsy.coreutils.ImageUtils.isJpegFileHeader ( AbstractFile  file )

static

Check if is jpeg file based on header

Parameters

file

Returns

true if jpeg file, false otherwise

Definition at line 181 of file ImageUtils.java.

References org::sleuthkit::datamodel::AbstractFile.getSize(), and org::sleuthkit::datamodel::AbstractFile.read().

Referenced by org.sleuthkit.autopsy.corecomponents.DataContentViewerMedia.isImageSupported(), and org.sleuthkit.autopsy.coreutils.ImageUtils.thumbnailSupported().

static boolean org.sleuthkit.autopsy.coreutils.ImageUtils.isPngFileHeader ( AbstractFile  file )

static

Definition at line 204 of file ImageUtils.java.

References org::sleuthkit::datamodel::AbstractFile.getSize(), and org::sleuthkit::datamodel::AbstractFile.read().

Referenced by org.sleuthkit.autopsy.corecomponents.DataContentViewerMedia.isImageSupported().

static boolean org.sleuthkit.autopsy.coreutils.ImageUtils.thumbnailSupported ( Content  content )

static

Can a thumbnail be generated for the content?

Parameters

content

Returns

Definition at line 75 of file ImageUtils.java.

References org::sleuthkit::datamodel::AbstractContent.getGenInfoAttributes(), org::sleuthkit::datamodel::AbstractFile.getNameExtension(), org::sleuthkit::datamodel::AbstractFile.getSize(), org.sleuthkit.autopsy.coreutils.ImageUtils.isJpegFileHeader(), and org::sleuthkit::datamodel::BlackboardAttribute::ATTRIBUTE_TYPE.TSK_FILE_TYPE_SIG.

Referenced by org.sleuthkit.autopsy.report.ReportGenerator.TableReportsWorker.checkIfFileIsImage().

Member Data Documentation

final Image org.sleuthkit.autopsy.coreutils.ImageUtils.DEFAULT_ICON = new ImageIcon("/org/sleuthkit/autopsy/images/file-icon.png").getImage()

staticprivate

Definition at line 54 of file ImageUtils.java.

Referenced by org.sleuthkit.autopsy.coreutils.ImageUtils.generateAndSaveIcon(), org.sleuthkit.autopsy.coreutils.ImageUtils.getDefaultIcon(), and org.sleuthkit.autopsy.coreutils.ImageUtils.getIcon().

final int org.sleuthkit.autopsy.coreutils.ImageUtils.ICON_SIZE_LARGE = 200

static

Definition at line 52 of file ImageUtils.java.

final int org.sleuthkit.autopsy.coreutils.ImageUtils.ICON_SIZE_MEDIUM = 100

static

Definition at line 51 of file ImageUtils.java.

final int org.sleuthkit.autopsy.coreutils.ImageUtils.ICON_SIZE_SMALL = 50

static

Definition at line 50 of file ImageUtils.java.

final Logger org.sleuthkit.autopsy.coreutils.ImageUtils.logger = Logger.getLogger(ImageUtils.class.getName())

staticprivate

Definition at line 53 of file ImageUtils.java.

final List<String> org.sleuthkit.autopsy.coreutils.ImageUtils.SUPP_EXTENSIONS = Arrays.asList(ImageIO.getReaderFileSuffixes())

staticprivate

Definition at line 55 of file ImageUtils.java.

final List<String> org.sleuthkit.autopsy.coreutils.ImageUtils.SUPP_MIME_TYPES = new ArrayList<>(Arrays.asList(ImageIO.getReaderMIMETypes()))

staticprivate

Definition at line 56 of file ImageUtils.java.

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

• /home/carriersleuth/repos/autopsy/Core/src/org/sleuthkit/autopsy/coreutils/ImageUtils.java