NvsLiveWindow Class Reference

Real-time shooting preview window. More...

#import <NvsLiveWindow.h>

Inheritance diagram for NvsLiveWindow:

Instance Methods
(instancetype)	- init
(instancetype)	- initWithFrame:
(instancetype)	- initWithCoder:
(CGPoint)	- mapCanonicalToView:
	Timeline coordinates are converted to view coordinates. More...
(CGPoint)	- mapViewToCanonical:
	View coordinates are converted to timeline coordinates. More...
(CGPoint)	- mapNormalizedToView:
	Normalized coordinates are converted to view coordinates. More...
(CGPoint)	- mapViewToNormalized:
	View coordinates are converted to normalized coordinates. More...
(void)	- clearVideoFrame
	Clear LiveWindow video frames. More...
(UIImage *)	- takeScreenShot
	Screen Shot. More...
(void)	- setBackgroundColorWithRed:green:blue:
	Set the background color of LiveWindow. More...
(void)	- setBackgroundColorWithRed:green:blue:alpha:
	Set the background color of LiveWindow.You need to set the view's background color to clear to work with. More...

Properties
id< NvsLiveWindowDrawDelegate >	delegate
NvsLiveWindowFillMode	fillMode
NvsLiveWindowHDRDisplayMode	hdrDisplayMode

Detailed Description

Real-time shooting preview window.

When shooting a video, connect the live window with the capture preview and preview the scene in real time. After the shooting is completed, the live window is connected to the created timeline. And the video which has shooted can edit as needed, and then compile and output a video .mov format file.

Warning

For NvsLiveWindow class，all public API must be implemented within UI thread！！！

Method Documentation

clearVideoFrame

- (void) clearVideoFrame

Clear LiveWindow video frames.

init

- (instancetype) init

initWithCoder:

- (instancetype) initWithCoder:

(NSCoder *)

aDecoder

initWithFrame:

- (instancetype) initWithFrame:

(CGRect)

frame

mapCanonicalToView:

- (CGPoint) mapCanonicalToView:

(CGPoint)

ptCanonical

Timeline coordinates are converted to view coordinates.

Parameters

ptCanonical

Timeline coordinates. Please refer to TimeLine and View Coordinate

Returns

Returns the converted view coordinate point CGPoint object

See also

- mapViewToCanonical:

mapNormalizedToView:

- (CGPoint) mapNormalizedToView:

(CGPoint)

ptNormalized

Normalized coordinates are converted to view coordinates.

Parameters

ptNormalized

Normalized coordinates

Returns

Returns the converted view coordinate point CGPoint object

See also

- mapViewToNormalized:

mapViewToCanonical:

- (CGPoint) mapViewToCanonical:

(CGPoint)

ptView

View coordinates are converted to timeline coordinates.

Parameters

ptView

View coordinates. Please refer to TimeLine and View Coordinate

Returns

Returns the converted timeline coordinate point CGPoint object

See also

- mapCanonicalToView:

mapViewToNormalized:

- (CGPoint) mapViewToNormalized:

(CGPoint)

ptView

View coordinates are converted to normalized coordinates.

Parameters

ptView

View coordinates

Returns

Returns the converted normalized coordinate point CGPoint object

See also

- mapNormalizedToView:

setBackgroundColorWithRed:green:blue:

- (void) setBackgroundColorWithRed:		(float)	red
green:		(float)	green
blue:		(float)	blue

Set the background color of LiveWindow.

Parameters

red	red(0~1)
green	green(0~1)
blue	blue(0~1)

setBackgroundColorWithRed:green:blue:alpha:

- (void) setBackgroundColorWithRed:		(float)	red
green:		(float)	green
blue:		(float)	blue
alpha:		(float)	alpha

Set the background color of LiveWindow.You need to set the view's background color to clear to work with.

Parameters

red	red(0~1)
green	green(0~1)
blue	blue(0~1)
alpha	alpha(0~1)

takeScreenShot

- (UIImage*) takeScreenShot

Screen Shot.

Property Documentation

delegate

- (id<NvsLiveWindowDrawDelegate>) delegate

readwritenonatomicweak

fillMode

- (NvsLiveWindowFillMode) fillMode

readwritenonatomicassign

hdrDisplayMode

- (NvsLiveWindowHDRDisplayMode) hdrDisplayMode

readwritenonatomicassign

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The documentation for this class was generated from the following file:

• include/sdkcore/ios/NvsLiveWindow.h