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java.lang.Object jcontrol.ui.vole.Component jcontrol.ui.vole.meter.AnalogMeter
public class AnalogMeter
This class AnalogMeter.class
implements a graphical analog meter for JControl.
Several parameters of the analog meter such as opening angle and m_orientation are user controllable.
(c) Copyright 2003-2007 DOMOLOGIC GmbH
Field Summary | |
---|---|
static int |
ORIENTATION_CENTER
Align the scale of the analog meter to the middle. |
static int |
ORIENTATION_LEFT
Align the scale of the analog meter to the bottom-left corner of it's bounding box. |
static int |
ORIENTATION_RIGHT
Align the scale of the analog meter to the bottom-right corner of it's bounding box. |
Fields inherited from class jcontrol.ui.vole.Component |
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eventQueue, focusOwner, font, g, height, listener, parent, visible, width, x, y |
Constructor Summary | |
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AnalogMeter(int x,
int y,
int width,
int height,
int min,
int max,
int openAngle,
int orientation,
int dials)
Creates a new AnalogMeter. |
Method Summary | |
---|---|
void |
paint()
Draws the AnalogMeter. |
void |
setCaption(String captionMin,
String captionMax)
Sets a caption text which is displayed for the min and max values at the bottom of the analog meter. |
void |
setNumericDisplay(int digits,
int decimals,
String unit)
Sets the parameters of the numeric value display. |
void |
setValue(int value)
Sets the current analog meter value. |
boolean |
transferFocus()
AnalogMeter never gains focus. |
Methods inherited from class jcontrol.ui.vole.Component |
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getBounds, getParent, isVisible, onActionEvent, onKeyEvent, remove, removeFocus, requestFocus, setBounds, setFont, setGraphics, setParent, setVisible, validate |
Methods inherited from class java.lang.Object |
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clone, equals, getClass, notifyAll, toString, wait |
Field Detail |
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public static final int ORIENTATION_LEFT
public static final int ORIENTATION_CENTER
public static final int ORIENTATION_RIGHT
Constructor Detail |
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public AnalogMeter(int x, int y, int width, int height, int min, int max, int openAngle, int orientation, int dials)
x
- The x coordinatey
- The y coordinatewidth
- The widthheight
- The heightmin
- The minimum m_valuemax
- The maximum m_valueopenAngle
- An angle between 0 and 180 degrees. Default value is 180 degrees.orientation
- Set the scale orientation. Possible values are ORIENTATION_LEFT
,
ORIENTATION_CENTER
and ORIENTATION_RIGHT
.
The default is ORIENTATION_CENTER
.dials
- Number of dial linesMethod Detail |
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public void setCaption(String captionMin, String captionMax)
captionMin
- Text to display at the left bottom bordercaptionMax
- Text to display at the right bottom borderpublic void setNumericDisplay(int digits, int decimals, String unit)
decimals
- The number of decimals behind the comma ("-1" turns the display off).unit
- A String
representing the unit of the meter value.public void setValue(int value)
value
- The value to set.public void paint()
paint
in class Component
public boolean transferFocus()
transferFocus
in class Component
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