Class VLImageDisplay.TVLExternalImageDisplayElement

Revision as of 00:18, 22 November 2011 (view source) David Alm (Talk | contribs) (Automated Syncronization with Documentation)		Revision as of 20:28, 10 June 2013 (view source) David Alm (Talk | contribs) (Automated Syncronization with Documentation) Newer edit →
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	== Description ==		== Description ==
	Add this component element to draw video inside a component.		Add this component element to draw video inside a component.
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		+
		+
		+	<b>Diagram:</b>
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		+	[[Image:VLExternalImageDisplayElement_Preview.png]]
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	== From [[Class VLImageDisplay.TVLImageDisplay|TVLImageDisplay]] ==		== From [[Class VLImageDisplay.TVLImageDisplay|TVLImageDisplay]] ==
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		+	== Properties ==
		+
		+	=== Published ===
		+	*[[Property VLImageDisplay.TVLImageDisplay.RenderMode|RenderMode]] - Specifies the desired rendering mode.
	== Methods ==		== Methods ==
	=== Public ===		=== Public ===
		+	*[[Method procedure VLImageDisplay.TVLImageDisplay.DrawTo(IGPGraphics;Boolean;Single;Single)|procedure DrawTo(AGraphics : IGPGraphics; AContoursOnly : Boolean; AWidth : Single; AHeight : Single)]]
	*[[Method procedure VLImageDisplay.TVLImageDisplay.Clear()|procedure Clear()]] - Clears the Display.		*[[Method procedure VLImageDisplay.TVLImageDisplay.Clear()|procedure Clear()]] - Clears the Display.
	*[[Method procedure VLImageDisplay.TVLImageDisplay.Invalidate()|procedure Invalidate()]]		*[[Method procedure VLImageDisplay.TVLImageDisplay.Invalidate()|procedure Invalidate()]]
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	*[[Property VLCommonDisplay.TVLCommonDisplay.Center|Center]] - Center the image in the display.		*[[Property VLCommonDisplay.TVLCommonDisplay.Center|Center]] - Center the image in the display.
	*[[Property VLCommonDisplay.TVLCommonDisplay.Stretch|Stretch]] - Stretch the image to the display size.		*[[Property VLCommonDisplay.TVLCommonDisplay.Stretch|Stretch]] - Stretch the image to the display size.
		+	*[[Property VLCommonDisplay.TVLCommonDisplay.StretchMax|StretchMax]] - Stretches the image to fill completely the frame, while preserving the aspect ration.
	*[[Property VLCommonDisplay.TVLCommonDisplay.Proportional|Proportional]] - Keep the image proportional(Preserve aspect ratio).		*[[Property VLCommonDisplay.TVLCommonDisplay.Proportional|Proportional]] - Keep the image proportional(Preserve aspect ratio).
	*[[Property VLCommonDisplay.TVLCommonDisplay.Color|Color]]		*[[Property VLCommonDisplay.TVLCommonDisplay.Color|Color]]
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	=== Public ===		=== Public ===
		+	*[[Method function SLControlCollection.TSLCustomControlItem.GetParentComponent() : TComponent|function GetParentComponent() : TComponent]]
		+	*[[Method function SLControlCollection.TSLCustomControlItem.HasParent() : Boolean|function HasParent() : Boolean]]
	*[[Method procedure SLControlCollection.TSLCustomControlItem.SetParent(TWinControl)|procedure SetParent(AParent : TWinControl)]]		*[[Method procedure SLControlCollection.TSLCustomControlItem.SetParent(TWinControl)|procedure SetParent(AParent : TWinControl)]]
	*[[Method function SLControlCollection.TSLCustomControlItem.GetHasEnable() : Boolean|function GetHasEnable() : Boolean]]		*[[Method function SLControlCollection.TSLCustomControlItem.GetHasEnable() : Boolean|function GetHasEnable() : Boolean]]
	*[[Method function SLControlCollection.TSLCustomControlItem.GetCanDisable() : Boolean|function GetCanDisable() : Boolean]]		*[[Method function SLControlCollection.TSLCustomControlItem.GetCanDisable() : Boolean|function GetCanDisable() : Boolean]]
	*[[Method procedure SLControlCollection.TSLCustomControlItem.SetParentComponent(TComponent)|procedure SetParentComponent(AValue : TComponent)]]		*[[Method procedure SLControlCollection.TSLCustomControlItem.SetParentComponent(TComponent)|procedure SetParentComponent(AValue : TComponent)]]
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−	== From [[Class LPControl.TLPCustomControl|TLPCustomControl]] ==
−
−	== Properties ==
−
−	=== Published ===
−	*[[Property LPControl.TLPCustomControl.Visible|Visible]]
−
−	== Methods ==
−
−	=== Public ===
−	*[[Method procedure LPControl.TLPCustomControl.InvalidateIntRect(TRect)|procedure InvalidateIntRect(ARect : TRect)]]
−
−	== Events ==
−	*[[Event LPControl.TLPCustomControl.OnMouseEnter|OnMouseEnter]]
−	*[[Event LPControl.TLPCustomControl.OnMouseLeave|OnMouseLeave]]
	[[Category:Elements]][[Category:Classes]]		[[Category:Elements]][[Category:Classes]]

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Revision as of 20:28, 10 June 2013

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Package: VideoLabBasicPkg

Unit: VLImageDisplay

Inherits: TVLBasicImageDisplayElement

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Methods 4.1 Public 5 From TVLBasicImageDisplayElement 6 Properties 6.1 Published 7 Methods 7.1 Public 8 From TVLImageDisplay 9 Properties 9.1 Published 10 Methods 10.1 Public 11 From TVLCommonImageDisplay 12 Properties 12.1 Published 13 Methods 13.1 Public 14 Pins 15 From TVLCommonDisplay 16 Properties 16.1 Published 16.2 Public 17 Methods 17.1 Public 18 Events 19 From TSLCustomControlItem 20 Properties 20.1 Public 21 Methods 21.1 Public

Syntax

Delphi:

type TVLExternalImageDisplayElement = class( TVLBasicImageDisplayElement, ILPDrawComponentElement )

C++ Builder:

class TVLExternalImageDisplayElement : public TVLBasicImageDisplayElement

Visual C++ (MFC):

class CTVLExternalImageDisplayElement : public CTVLBasicImageDisplayElement

C# (.NET):

public ref class TVLExternalImageDisplayElement : Mitov.VideoLab.BasicImageDisplayElement

Summary

Component element drawing video.

Description

Add this component element to draw video inside a component.

Diagram:

Example:

Methods

Public

• procedure Draw(AGraphics : IGPGraphics; AContoursOnly : Boolean; ARadiusX : Single; ARadiusY : Single; Width : Single; Height : Single; AXCoeff : Single; AYCoeff : Single)

From TVLBasicImageDisplayElement

Properties

Published

• Position - Specifies the position of the component element.
• Size - Specifies the size of the component element.

Methods

Public

• procedure Invalidate()
• procedure InvalidateSize()

From TVLImageDisplay

Properties

Published

• RenderMode - Specifies the desired rendering mode.

Methods

Public

• procedure DrawTo(AGraphics : IGPGraphics; AContoursOnly : Boolean; AWidth : Single; AHeight : Single)
• procedure Clear() - Clears the Display.
• procedure Invalidate()

From TVLCommonImageDisplay

Properties

Published

• AutoClear - Auto clear the display at the end of the video.
• AspectRatio - Specifies the desired aspect ration for the display.
• TabStop

Methods

Public

• procedure Clear() - Clears the display.
• procedure DisplayBitmap(ABitmap : TBitmap) - Displays the content of a bitmap.
• procedure DisplayBitmap(ABitmap : TVLBitmap) - Displays the content of a bitmap.
• procedure DisplayImage(AImage : IVLImageBuffer) - Displays the content of an image buffer.

Pins

• InputPin - The Video Input Pin of the display.
• UserControlOutputPin - User control source pin.

From TVLCommonDisplay

Properties

Published

• AutoSize - Auto-size to display to the video size.
• Center - Center the image in the display.
• Stretch - Stretch the image to the display size.
• StretchMax - Stretches the image to fill completely the frame, while preserving the aspect ration.
• Proportional - Keep the image proportional(Preserve aspect ratio).
• Color

Public

• ImageHeight - Returns the Height of the image in the display.
• ImageWidth - Returns the Width of the image in the display.
• ImageTop - Returns the Top position of the image in the display.
• ImageLeft - Returns the Left position of the image in the display.

Methods

Public

• procedure SetParent(AParent : TWinControl)
• function ScreenToImage(AValue : TPoint) : TPoint - Converts from screen coordinates into video frame coordinates.

Events

• OnMouseMove
• OnMouseDown
• OnMouseUp
• OnClick
• OnDblClick

From TSLCustomControlItem

Properties

Public

• Index
• ComponentList

Methods

Public

• function GetParentComponent() : TComponent
• function HasParent() : Boolean
• procedure SetParent(AParent : TWinControl)
• function GetHasEnable() : Boolean
• function GetCanDisable() : Boolean
• procedure SetParentComponent(AValue : TComponent)