Class VLImageDisplay.TVLImageDisplay
From Mitov Wiki Doc
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Use this component to visualize video data. | Use this component to visualize video data. | ||
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| + | <b>Diagram:</b> | ||
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| + | [[Image:VLImageDisplay_Preview.png]] | ||
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ImageDisplay.Open( m_ImageDisplay.m_hWnd ); | ImageDisplay.Open( m_ImageDisplay.m_hWnd ); | ||
</code> | </code> | ||
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| + | == Properties == | ||
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| + | === 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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[[Category:Controls]][[Category:Classes]] | [[Category:Controls]][[Category:Classes]] | ||
Revision as of 20:28, 10 June 2013
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Package: VideoLabBasicPkg
Unit: VLImageDisplay
Inherits: TVLCommonImageDisplay
Contents |
Syntax
Delphi:
type TVLImageDisplay = class( TVLCommonImageDisplay )
C++ Builder:
class TVLImageDisplay : public TVLCommonImageDisplay
Visual C++ (MFC):
class CTVLImageDisplay : public CTVLCommonImageDisplay
C# (.NET):
public ref class TVLImageDisplay : Mitov.VideoLab.CommonImageDisplay
Summary
Video display component.
Description
Creates visible image display for representing the frame images.
Use this component to visualize video data.
Diagram:
In Visual C++ you can instantiate the component by using the Open method:
VCL_InitControls( m_hWnd ); // Call this function once before creating any visual controls! CTVLImageDisplay ImageDisplay; ImageDisplay.Open( m_ImageDisplay.m_hWnd );
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.
