com.qualcomm.fastcvdemo.apis.featureDetection.Corner Class Reference

Inherits com.qualcomm.fastcvdemo.base.GraphicalActivity.

Public Member Functions
boolean	onOptionsItemSelected (MenuItem item)
native void	update (byte[] data, int w, int h)
native void	cleanup ()
native String	detectionMethod ()
Protected Member Functions
void	initTitle ()
void	onResume ()
void	updatePreferences ()
void	startPreview ()
void	stopPreview ()
void	setupCamera ()
native void	setFastCornerThreshold (int threshold)
native void	setScaling (int scaleFactor)
native void	setViewFinderEnable (boolean enableViewFinder)
native void	setOverlayPixelsEnable (boolean enableOverlayPixels)
native void	setGaussianEnable (boolean enableGaussian)
native void	setDetection (int detectionSwitch)
native int	getNumCorners ()
Protected Attributes
Runnable	mUpdateTimeTask
Static Package Functions
	[static initializer]

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Member Function Documentation

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.cleanup

(

)

[virtual]

Performs native cleanup routines for application exit.

Implements com.qualcomm.fastcvdemo.base.GraphicalActivity.

native String com.qualcomm.fastcvdemo.apis.featureDetection.Corner.detectionMethod

(

)

Retrieves the name of the detection method being used.

native int com.qualcomm.fastcvdemo.apis.featureDetection.Corner.getNumCorners

(

)

[protected]

Retrieves the latest number of corners for debug purposes.

Returns:

int Number of corners.

void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.initTitle

(

)

[inline, protected, virtual]

Function which retrieves title based on module used.

Implements com.qualcomm.fastcvdemo.base.GraphicalActivity.

void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.onResume

(

)

[inline, protected]

Resumes camera preview

Reimplemented from com.qualcomm.fastcvdemo.base.GraphicalActivity.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setDetection

(

int

detectionSwitch

)

[protected]

Sets the detection function to be used.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setFastCornerThreshold

(

int

threshold

)

[protected]

Sets the native FAST corner threshold.

Parameters:

threshold

Barrier threshold to FAST Corner algorithm.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setGaussianEnable

(

boolean

enableGaussian

)

[protected]

Enables/disables blurring camera image before processing corners.

Parameters:

enableGaussian

Flag enables/disables Gaussian blurring.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setOverlayPixelsEnable

(

boolean

enableOverlayPixels

)

[protected]

Enables/disables overlaying of pixels.

Parameters:

enableOverlayPixels

Flag to enable/disable pixel overlay.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setScaling

(

int

scaleFactor

)

[protected]

Sets the desired scaling factor.

Parameters:

scaleFactor

Desired scaling factor, 1 is no scaling.

void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setupCamera

(

)

[inline, protected]

Sets up camera configuration parameters

Reimplemented from com.qualcomm.fastcvdemo.base.GraphicalActivity.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.setViewFinderEnable

(

boolean

enableViewFinder

)

[protected]

Enables caller to disable camera backdrop.

Parameters:

enableViewFinder

Flag to enable/disable camera backdrop.

void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.startPreview

(

)

[inline, protected]

Starts camera preview

Reimplemented from com.qualcomm.fastcvdemo.base.GraphicalActivity.

void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.stopPreview

(

)

[inline, protected]

Stops camera preview

Reimplemented from com.qualcomm.fastcvdemo.base.GraphicalActivity.

native void com.qualcomm.fastcvdemo.apis.featureDetection.Corner.update	(	byte[]	data,
		int	w,
		int	h
	)		[virtual]

Function to pass camera frame for native, FastCV processing.

Parameters:

data	Byte buffer for data.
w	Width of data
h	Height of data

Implements com.qualcomm.fastcvdemo.base.GraphicalActivity.

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Field Documentation

Runnable com.qualcomm.fastcvdemo.apis.featureDetection.Corner.mUpdateTimeTask [protected]

Handler for FPS display. Want to do this periodically to not waste CPU.

Reimplemented from com.qualcomm.fastcvdemo.base.GraphicalActivity.

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

• Corner.java