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Java DTV API 1.3
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com.sun.dtv.media.text
Interface OverlayTextControl

All Superinterfaces:
Control, LanguageControl
public interface OverlayTextControl
extends LanguageControl

Interface to provide control for "Subtitles" and "Closed Captioning". This generic interface allows to manipulate and request status information about the two types of overlay or superimposed text. It shall be available when the OverlayText informations is present in the media.

Method Summary
 void addOverlayTextListener(OverlayTextListener overlayTextListener)
          Add a overlay text listener interface.
 boolean isTextAvailable()
          Request if overlay text are available in the medium.
 boolean isTextOn()
          Returns the current state of the presentation of the OverlayText.
 void removeOverlayTextListener(OverlayTextListener overlayTextListener)
          Removes a overlay text listener interface.
 void switchTextOff()
          Switches overlay text off.
 void switchTextOn()
          Switches the overlay text on.
 
Methods inherited from interface com.sun.dtv.media.language.LanguageControl
getDefaultLanguage, getLanguage, getSupportedLanguages, setLanguage
 
Methods inherited from interface javax.media.Control
getControlComponent
 

Method Detail

switchTextOn

void switchTextOn()
Switches the overlay text on.

switchTextOff

void switchTextOff()
Switches overlay text off.

isTextAvailable

boolean isTextAvailable()
Request if overlay text are available in the medium.

Returns:
true if subtitles are available.

isTextOn

boolean isTextOn()
Returns the current state of the presentation of the OverlayText.

Returns:
true if overlay text is presented, false if no overlay text is presented.

addOverlayTextListener

void addOverlayTextListener(OverlayTextListener overlayTextListener)
Add a overlay text listener interface.

Parameters:
overlayTextListener - the interface that will receive all the overlay text events.
See Also:
removeOverlayTextListener(com.sun.dtv.media.text.OverlayTextListener)

removeOverlayTextListener

void removeOverlayTextListener(OverlayTextListener overlayTextListener)
Removes a overlay text listener interface.

Parameters:
overlayTextListener - overlay text listener to remove.
See Also:
addOverlayTextListener(com.sun.dtv.media.text.OverlayTextListener)
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Java DTV API 1.3
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