com.raspoid.additionalcomponents.camera

Class PreviewConfig

java.lang.Object

com.raspoid.additionalcomponents.camera.CameraControlOptions

com.raspoid.additionalcomponents.camera.PreviewConfig

public class PreviewConfig
extends CameraControlOptions

This class is used to easily wrap the specific part of the raspistill/raspivid commands regarding the preview configuration.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_OPACITY Maximum opacity (fully opaque).
static int	MIN_OPACITY Minimum opacity (invisible).

Fields inherited from class com.raspoid.additionalcomponents.camera.CameraControlOptions

DEFAULT_BRIGHTNESS, DEFAULT_CONTRAST, DEFAULT_EV_COMPENSATION, DEFAULT_SATURATION, DEFAULT_SHARPNESS, MAX_BRIGHTNESS, MAX_CONTRAST, MAX_EV_COMPENSATION, MAX_ISO, MAX_SATURATION, MAX_SHARPNESS, MIN_BRIGHTNESS, MIN_CONTRAST, MIN_EV_COMPENSATION, MIN_ISO, MIN_SATURATION, MIN_SHARPNESS

Constructor Summary

Constructors

Constructor and Description
PreviewConfig()

Method Summary

Modifier and Type	Method and Description
void	disablePreview() Disables the preview window completely.
void	enablePreview(int x, int y, int w, int h) Enable the preview window and define the size and location on the screen that the preview window will be placed.
void	enablePreviewFullscreen() Enable fullscreen preview mode.
java.lang.String	getPreviewSettings() Get the preview settings part to use with the complete command line.
void	setOpacity(int opacity) Sets the opacity of the preview windows.

Methods inherited from class com.raspoid.additionalcomponents.camera.CameraControlOptions

annotate, getOptions, setAWBMode, setBrightness, setCameraMode, setContrast, setEVCompensation, setExposureMode, setHorizontalFlip, setImageEffect, setISO, setRotationDegree, setSaturation, setSharpness, setVerticalFlip

Methods inherited from class java.lang.Object

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

Field Detail

MAX_OPACITY

public static final int MAX_OPACITY

Maximum opacity (fully opaque).

See Also:

Constant Field Values

MIN_OPACITY

public static final int MIN_OPACITY

Minimum opacity (invisible).

See Also:

Constant Field Values

Constructor Detail

PreviewConfig

public PreviewConfig()

Method Detail

enablePreview

public void enablePreview(int x,
                          int y,
                          int w,
                          int h)

Enable the preview window and define the size and location on the screen that the preview window will be placed.

Note this will be superimposed over the top of any other windows/graphics.

Parameters:

x - the x position of the window on the screen, in pixels.

y - the y position of the window on the screen, in pixels.

w - the width of the window, in pixels.

h - the height of the window, in pixels.

enablePreviewFullscreen

public void enablePreviewFullscreen()

Enable fullscreen preview mode. Forces the preview window to use the whole screen.

Note that the aspect ratio of the incoming image will be retained, so there may be bars on some edges.

disablePreview

public void disablePreview()

Disables the preview window completely.

Note that even though the preview is disabled, the camera will still be producing frames, so will be using power.

setOpacity

public void setOpacity(int opacity)

Sets the opacity of the preview windows.

0 = invisible, 255 = fully opaque. -1 if disabled.

Parameters:

opacity - the new opacity to apply for future previews.

getPreviewSettings

public java.lang.String getPreviewSettings()

Get the preview settings part to use with the complete command line.

Returns:

the preview settings part to use with the complete raspistill/raspivid command lines.