Class Image

Definition

Namespace:: ElmSharp

Assembly:: ElmSharp.dll

API Level:: preview

The Image is a widget that allows one to load and display an image file on it, be it from a disk file or from a memory region. Inherits Widget.


                C#
                
                    Copy
                    
                
            
public class Image : Widget, IAccessibleObject

Inheritance: System.Object

EvasObject

AccessibleObject

Widget

Image

Derived: Icon

Icon

Implements: IAccessibleObject

Constructors

View Source

Image(EvasObject)

Creates and initializes a new instance of the Image class.

Declaration


                C#
                
                    Copy
                    
                
            
public Image(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent	The parent is a given container, which will be attached by the image as a child. It's EvasObject type.

API Level: preview

Properties

View Source

BackgroundColor

Sets the background color.

Declaration


                C#
                
                    Copy
                    
                
            
public override Color BackgroundColor { set; }

Property Value

Type	Description
Color

Overrides

Widget.BackgroundColor

API Level: preview

View Source

BorderCenterFillMode

Sets or gets if the center part of the given image object (not the border) should be drawn.

Declaration


                C#
                
                    Copy
                    
                
            
public ImageBorderFillMode BorderCenterFillMode { get; set; }

Property Value

Type	Description
ImageBorderFillMode

Remarks

When rendering, the image may be scaled to fit the size of the image object. This function sets if the center part of the scaled image is to be drawn or left completely blank, or forced to be solid. Very useful for frames and decorations.

API Level: preview

View Source

CanFillOutside

Sets or gets whether the image fills the entire object area, when keeping the aspect ratio.

Declaration


                C#
                
                    Copy
                    
                
            
public bool CanFillOutside { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

CanScaleDown

Sets or gets whether the object is down resizable.

Declaration


                C#
                
                    Copy
                    
                
            
public bool CanScaleDown { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

CanScaleUp

Sets or gets whether the object is up resizable.

Declaration


                C#
                
                    Copy
                    
                
            
public bool CanScaleUp { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

Color

Sets or gets the image color.

Declaration


                C#
                
                    Copy
                    
                
            
public override Color Color { get; set; }

Property Value

Type	Description
Color

Overrides

EvasObject.Color

API Level: preview

View Source

File

Gets the file that is used as an image.

Declaration


                C#
                
                    Copy
                    
                
            
public string File { get; }

Property Value

Type	Description
System.String

API Level: preview

View Source

ImageObject

Gets the inlined image object of the image widget. This property allows one to get the underlying EvasObject of type Image from this elementary widget. It can be useful to do things like save the image to a file, etc.

Declaration


                C#
                
                    Copy
                    
                
            
public EvasImage ImageObject { get; }

Property Value

Type	Description
EvasImage

Remarks

Be careful not to manipulate it, as it is under the control of the widget.

API Level: preview

View Source

IsAnimated

Sets or gets whether an image object (which supports animation) is to animate itself.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsAnimated { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsAnimatedAvailable

Gets whether an image object supports animation.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsAnimatedAvailable { get; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsAnimationPlaying

Sets or gets whether an image object is under animation.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsAnimationPlaying { get; set; }

Property Value

Type	Description
Boolean

Remarks

An image object, even if it supports animation, will be displayed by default without animation. To actually start playing any image object's animation, IsAnimated should be TRUE before setting this property true.

API Level: preview

View Source

IsEditable

Sets or gets whether the image is 'editable'.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsEditable { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsFixedAspect

Sets or gets whether the original aspect ratio of the image should be kept on resize.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsFixedAspect { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsOpaque

Sets or gets whether the alpha channel data is being used on the given image object.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsOpaque { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsScaling

Sets or gets whether scaling is disabled on the object.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsScaling { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

IsSmooth

Sets or gets the smooth effect for an image.

Declaration


                C#
                
                    Copy
                    
                
            
public bool IsSmooth { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

View Source

ObjectSize

Gets the current size of the image.

Declaration


                C#
                
                    Copy
                    
                
            
public Size ObjectSize { get; }

Property Value

Type	Description
Size

API Level: preview

View Source

Orientation

Sets or gets the image orientation.

Declaration


                C#
                
                    Copy
                    
                
            
public ImageOrientation Orientation { get; set; }

Property Value

Type	Description
ImageOrientation

API Level: preview

View Source

PrescaleSize

Sets or gets the prescale size for the image.

Declaration


                C#
                
                    Copy
                    
                
            
public int PrescaleSize { get; set; }

Property Value

Type	Description
Int32

API Level: preview

Methods

View Source

CreateHandle(EvasObject)

Sets the content at a part of a given container widget.

Declaration


                C#
                
                    Copy
                    
                
            
protected override IntPtr CreateHandle(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent	The parent is a given container, which will be attached by the image as a child. It's EvasObject type.

Returns

Type	Description
System.IntPtr	The new object, otherwise null if it cannot be created.

Overrides

EvasObject.CreateHandle(EvasObject)

API Level: preview

View Source

GetPartColor(String)

Gets the color of the Color class for a given widget.

Declaration


                C#
                
                    Copy
                    
                
            
public override Color GetPartColor(string part)

Parameters

Type	Name	Description
System.String	part	The name of the Color class.

Returns

Type	Description
Color	The color object.

Overrides

Widget.GetPartColor(String)

API Level: preview

View Source

Load(Byte*, Int64)

Sets a location in the memory to be used as an image object's source bitmap.

Declaration


                C#
                
                    Copy
                    
                
            
[Obsolete("This method will be removed. Use Load(Stream stream) instead.")]
public bool Load(byte *img, long size)

Parameters

Type	Name	Description
System.Byte*	img	The binary data that is used as an image source.
System.Int64	size	The size of the binary data blob img.

Returns

Type	Description
Boolean	(true = success, false = error)

Remarks

This function is handy when the contents of an image file are mapped into the memory, for example, the format string should be something like "png", "jpg", "tga", "tiff", "bmp" etc, when provided (null, on the contrary). This improves the loader performance as it tries the "correct" loader first, before trying a range of other possible loaders until one succeeds.

API Level: preview

View Source

Load(Stream)

Sets the stream that is used as the image's source.

Declaration


                C#
                
                    Copy
                    
                
            
public bool Load(Stream stream)

Parameters

Type	Name	Description
System.IO.Stream	stream	The stream that is used as an image source.

Returns

Type	Description
Boolean	(true = success, false = error)

API Level: preview

View Source

Load(String)

Sets the file that is used as the image's source.

Declaration


                C#
                
                    Copy
                    
                
            
public bool Load(string file)

Parameters

Type	Name	Description
System.String	file	The path to the file that is used as an image source.

Returns

Type	Description
Boolean	(true = success, false = error)

API Level: preview

View Source

Load(Uri)

Sets the URI that is used as the image's source.

Declaration


                C#
                
                    Copy
                    
                
            
public bool Load(Uri uri)

Parameters

Type	Name	Description
System.Uri	uri	The URI to the file that is used as an image source.

Returns

Type	Description
Boolean	(true = success, false = error)

API Level: preview

View Source

LoadAsync(Stream, CancellationToken)

Sets the stream that is used as the image's source with async.

Declaration


                C#
                
                    Copy
                    
                
            
public Task<bool> LoadAsync(Stream stream, CancellationToken cancellationToken = default(CancellationToken))

Parameters

Type	Name	Description
System.IO.Stream	stream	The stream that is used as an image source.
System.Threading.CancellationToken	cancellationToken	The cancellation token.

Returns

Type	Description
System.Threading.Tasks.Task<Boolean>	(true = success, false = error)

API Level: preview

View Source

LoadAsync(String, CancellationToken)

Sets the file that is used as the image's source with async.

Declaration


                C#
                
                    Copy
                    
                
            
public Task<bool> LoadAsync(string file, CancellationToken cancellationToken = default(CancellationToken))

Parameters

Type	Name	Description
System.String	file	The path to the file that is used as an image source.
System.Threading.CancellationToken	cancellationToken	The cancellation token.

Returns

Type	Description
System.Threading.Tasks.Task<Boolean>	(true = success, false = error)

API Level: preview

View Source

LoadAsync(Uri, CancellationToken)

Sets the URI that is used as the image's source with async.

Declaration


                C#
                
                    Copy
                    
                
            
public Task<bool> LoadAsync(Uri uri, CancellationToken cancellationToken = default(CancellationToken))

Parameters

Type	Name	Description
System.Uri	uri	The URI to the file that is used as an image source.
System.Threading.CancellationToken	cancellationToken	The cancellation token.

Returns

Type	Description
System.Threading.Tasks.Task<Boolean>	(true = success, false = error)

API Level: preview

View Source

SetBorder(Int32, Int32, Int32, Int32)

Sets the dimensions for an image object's border, a region which is not scaled together with its center ever.

Declaration


                C#
                
                    Copy
                    
                
            
public void SetBorder(int left, int right, int top, int bottom)

Parameters

Type	Name	Description
Int32	left	The border's left width.
Int32	right	The border's right width.
Int32	top	The border's top width.
Int32	bottom	The border's bottom width.

API Level: preview

View Source

SetPartColor(String, Color)

Sets the color of the Color class for a given widget.

Declaration


                C#
                
                    Copy
                    
                
            
public override void SetPartColor(string part, Color color)

Parameters

Type	Name	Description
System.String	part	The name of the Color class.
Color	color	The struct of the Color class.

Overrides

Widget.SetPartColor(String, Color)

API Level: preview

Events

View Source

Clicked

Clicked will be triggered when the image is clicked.

Declaration


                C#
                
                    Copy
                    
                
            
public event EventHandler Clicked

Event Type

Type	Description
System.EventHandler

API Level: preview

View Source

LoadingCompleted

LoadingCompleted will be triggered when the image is loaded completely.

Declaration


                C#
                
                    Copy
                    
                
            
public event EventHandler LoadingCompleted

Event Type

Type	Description
System.EventHandler

API Level: preview

View Source

LoadingFailed

Clicked will be triggered when the image fails to load.

Declaration


                C#
                
                    Copy
                    
                
            
public event EventHandler LoadingFailed

Event Type

Type	Description
System.EventHandler

API Level: preview

Implements

IAccessibleObject

Extension Methods

RotaryEventExtensions.AddRotaryEventHandler(EvasObject, RotaryEventHandler)

RotaryEventExtensions.RemoveRotaryEventHandler(EvasObject, RotaryEventHandler)

RotaryEventExtensions.Activate(EvasObject)

RotaryEventExtensions.Deactivate(EvasObject)