Class ImageUtils

Inheritance

System.Object

ImageUtils

Namespace: DotNetNuke.Common.Utilities

Assembly: DotNetNuke.dll

Syntax

public class ImageUtils : object

Methods

CreateImage(Stream, Int32, Int32, String)

Declaration

public static Stream CreateImage(Stream stream, int intHeight, int intWidth, string extension)

Parameters

Type	Name	Description
Stream	stream
System.Int32	intHeight
System.Int32	intWidth
System.String	extension

Returns

Type	Description
Stream

CreateImage(String, Int32, Int32)

create an image.

Declaration

public static string CreateImage(string sFile, int intHeight, int intWidth)

Parameters

Type	Name	Description
System.String	sFile	path of image file.
System.Int32	intHeight	height.
System.Int32	intWidth	width.

Returns

Type	Description
System.String	The path of the created image.

CreateImage(String)

create an image.

Declaration

public static string CreateImage(string sFile)

Parameters

Type	Name	Description
System.String	sFile	path of load image file - will be resized according to height and width set.

Returns

Type	Description
System.String	The path of the created image.

CreateImageForDB(Stream, Int32, Int32)

create an image based on a stream (read from a database).

Declaration

public static MemoryStream CreateImageForDB(Stream sFile, int intHeight, int intWidth)

Parameters

Type	Name	Description
Stream	sFile	image name.
System.Int32	intHeight	height.
System.Int32	intWidth	width.

Returns

Type	Description
MemoryStream	steam.

CreateJPG(String, Bitmap, Int32)

create a JPG image.

Declaration

public static string CreateJPG(string sFile, Bitmap img, int compressionLevel)

Parameters

Type	Name	Description
System.String	sFile	name of image.
Bitmap	img	bitmap of image.
System.Int32	compressionLevel	image quality.

Returns

Type	Description
System.String	The path of the created image.

GetEncoderInfo(String)

return the appropriate encoded for the mime-type of the image being created.

Declaration

public static ImageCodecInfo GetEncoderInfo(string myMimeType)

Parameters

Type	Name	Description
System.String	myMimeType	mime type (e.g jpg/png).

Returns

Type	Description
ImageCodecInfo	The or null.

GetHeight(String)

return height of image.

Declaration

public static int GetHeight(string sPath)

Parameters

Type	Name	Description
System.String	sPath	file path of image.

Returns

Type	Description
System.Int32	The image height in pixels.

GetHeightFromStream(Stream)

return height of image.

Declaration

public static int GetHeightFromStream(Stream sFile)

Parameters

Type	Name	Description
Stream	sFile	Stream of image.

Returns

Type	Description
System.Int32	The image height in pixels.

GetSize(String)

return height of image.

Declaration

public static Size GetSize(string sPath)

Parameters

Type	Name	Description
System.String	sPath	file path of image.

Returns

Type	Description
Size	The image size in pixels.

GetWidth(String)

return width of image.

Declaration

public static int GetWidth(string sPath)

Parameters

Type	Name	Description
System.String	sPath	file path of image.

Returns

Type	Description
System.Int32	The image width in pixels.

GetWidthFromStream(Stream)

width of image.

Declaration

public static int GetWidthFromStream(Stream sFile)

Parameters

Type	Name	Description
Stream	sFile	Steam of image.

Returns

Type	Description
System.Int32	The image width in pixels.

NewImageSize(Int32, Int32, Int32, Int32)

scale an image based on existing dimensions and updated requirement.

Declaration

public static Size NewImageSize(int currentWidth, int currentHeight, int newWidth, int newHeight)

Parameters

Type	Name	Description
System.Int32	currentWidth	current width.
System.Int32	currentHeight	current height.
System.Int32	newWidth	new width.
System.Int32	newHeight	new height.

Returns

Type	Description
Size	updated calculated height/width dimensions.

Extension Methods

JsonExtensionsWeb.ToJson(Object)