LEAD Video EFX Lens Filter User Interface

The Video EFX Lens Filter adds a fish-eye-like filter to the video by magnifying an area of the video. Its property page is shown in the figure below:

Video EFX Lens Filter property page

The Video EFX Lens Filter property page provides a user interface to change the filter's attributes.

Changes will be applied directly to the streaming media with the ability to set them permanently by selecting Apply or OK, or to abandon changes by selecting Cancel. Positioning the mouse pointer over a control displays general information for that control. The following table shows the controls and their descriptions:

Control Description
Enable check box Enables/Disables the effect.
Refraction slider Controls the concavity of the lens, which affects the magnification. Range: 1 to 160.
Keep original surroundings check box Controls the lens surroundings. If selected, takes the lens surroundings from the same frame.
If cleared, sets the lens surroundings to white.
Enable effect area check box Enables/Disables the effect for a cropped video area. Area limits are set using the Left, Top, Right and Bottom controls.
Left spin edit control Left boundary of the effect area.
Top spin edit control Top boundary of the effect area.
Right spin edit control Right boundary of the effect area.
Bottom spin edit control Bottom boundary of the effect area.
Help Version 22.0.2022.8.23
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LEADTOOLS Filters C API Help

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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.