com.tencent.tcr.sdk.api.view

Class PcZoomHandler

java.lang.Object

com.tencent.tcr.sdk.api.view.PcZoomHandler

public class PcZoomHandler
extends java.lang.Object

This class handles the two-finger pinch zoom logic.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	PcZoomHandler.ZoomListener Interface definition for callbacks to be invoked when the two-finger pinch zoom status has changed.

Constructor Summary

Constructors

Constructor and Description
PcZoomHandler(PcTouchListener touchHandler)

Method Summary

Modifier and Type	Method and Description
boolean	onTouch(View view, MotionEvent event) Perform two-finger pinch zoom and swipe based on the gesture.
void	resetZoom() Reset the zoom of the render view.
void	setZoomListener(PcZoomHandler.ZoomListener listener) Set the two-finger pinch zoom listener.
void	setZoomOffset(Rect rect) Set the offsets of the video image frame during zoom.
void	setZoomRatio(float min, float max) Set zoom ratio.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PcZoomHandler

public PcZoomHandler(PcTouchListener touchHandler)

Method Detail

setZoomRatio

public void setZoomRatio(float min,
                         float max)

Set zoom ratio.

Parameters:

min - The minimum zoom ratio, which must be greater than 0.

max - The maximum zoom ratio, which must be greater than 1.

resetZoom

public void resetZoom()

Reset the zoom of the render view.

setZoomOffset

public void setZoomOffset(Rect rect)

Set the offsets of the video image frame during zoom. This allows the render view to be slid out of the phone screen borders.

Parameters:

rect - The size of the area within which the video image can slide out of the four borders of the phone screen. The coordinates are all `0` by default.

setZoomListener

public void setZoomListener(PcZoomHandler.ZoomListener listener)

Set the two-finger pinch zoom listener.

Parameters:

listener - the listener to be set.

onTouch

public boolean onTouch(View view,
                       MotionEvent event)

Perform two-finger pinch zoom and swipe based on the gesture.

Parameters:

view - The view to be zoomed

event - The current touch operation

Returns:

true: The zoom operation has been performed (currently, zoom can be supported by gestures involving at least two fingers).