For Newbie

Tuesday, 27 September 2011

Step By Step Over Lay Text In Video / Preview Webcam on Delphi 7 Using Video Grabber Component

Step By Step Over Lay Text In Video / Preview Webcam on Delphi 7 Using Video Grabber Component

Enter the component below into the Delphi form design

No Component Name Properties Value
1 Button1 Caption Start Overlay
2 Button2 Caption Preview Video
3 Label1 Caption Text to Overlay
4 Label2 Caption Select Camera
5 Edit1 Text www.ItsToShare.com
6 Combobox1 - -
7 VideoGrabber1 - -

arrange the design visualization of the Overlay text Delphi component become as follows. 


Type the source code program as follows:
No Component Event Source Code
1 Form1 On
Create
combobox1.Items.Add(videograbber1.VideoDevices);
2 Button1 On
Click
videograbber1.TextOverlay_Enabled:=true;
videograbber1.TextOverlay_Left:=0;
videograbber1.TextOverlay_String:=edit1.Text;
3 Button2 On
Click
videograbber1.StartPreview;
4 Edit1 On
Change
videograbber1.TextOverlay_String:=edit1.Text;

next execute the application that had been made, the result is as follows:


overlay text Delphi application test is as follows;








Note:
The video grabber component that is used in this application is shareware version so that it could not work properly (maximal), in limited random time, application will stopped working, besides that application will appear overlay text nagscreen the address of the website is www.datastead.com

  I hope this writing can give benefit to the visitors, readers, developer and me. Thanks for visiting and availability for sharing this article by pressing 
Share this on Facebook
or just press like button under this posting
 

Share on Facebook
Share on Twitter
Share on Google+

Related : Step By Step Over Lay Text In Video / Preview Webcam on Delphi 7 Using Video Grabber Component