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com.imagero.gui.swing
Class VTextIcon  

java.lang.Object
  com.imagero.gui.swing.VTextIcon

All Implemented Interfaces:

java.util.EventListener, javax.swing.Icon, java.beans.PropertyChangeListener

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public class VTextIcon

extends java.lang.Object

implements javax.swing.Icon, java.beans.PropertyChangeListener

VTextIcon is an Icon implementation which draws a short string vertically. It's useful for JTabbedPanes with LEFT or RIGHT tabs but can be used in any component which supports Icons, such as JLabel or JButton You can provide a hint to indicate whether to rotate the string to the left or right, or not at all, and it checks to make sure that the rotation is legal for the given string (for example, Chinese/Japanese/Korean scripts have special rules when drawn vertically and should never be rotated)

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Field Summary
(package private) static int	DEFAULT_CJK
(package private) static int	DEFAULT_MUST_ROTATE
(package private) static int	DEFAULT_ROMAN
(package private)  int	fCharHeight
(package private)  java.lang.String[]	fCharStrings
(package private)  int[]	fCharWidths
(package private)  java.awt.Component	fComponent
(package private)  int	fDescent
(package private)  int	fHeight
(package private)  java.lang.String	fLabel
(package private)  int[]	fPosition
(package private)  int	fRotation
(package private)  int	fWidth
(package private) static int	kBufferSpace
(package private) static int	LEGAL_MUST_ROTATE
(package private) static int	LEGAL_ROMAN
(package private) static double	NINETY_DEGREES
(package private) static int	POSITION_FAR_TOP_RIGHT
(package private) static int	POSITION_NORMAL
(package private) static int	POSITION_TOP_RIGHT
static int	ROTATE_DEFAULT
static int	ROTATE_LEFT
static int	ROTATE_NONE
static int	ROTATE_RIGHT
(package private) static java.lang.String	sDrawsInFarTopRight
(package private) static java.lang.String	sDrawsInTopRight

 

Constructor Summary

VTextIcon(java.awt.Component component, java.lang.String label)           Creates a VTextIcon for the specified component with the specified label.

VTextIcon(java.awt.Component component, java.lang.String label, int rotateHint)           Creates a VTextIcon for the specified component with the specified label.

 

Method Summary
(package private)  void	calcDimensions()
int	getIconHeight()           Returns the icon's height.
int	getIconWidth()           Returns the icon's width.
void	paintIcon(java.awt.Component c, java.awt.Graphics g, int x, int y)           Draw the icon at the specified location.
void	propertyChange(java.beans.PropertyChangeEvent e)           Checks for changes to the font on the fComponent so that it can invalidate the layout if the size changes
(package private)  void	recalcDimensions()           Calculates the dimensions.
void	setLabel(java.lang.String label)           sets the label to the given string, updating the orientation as needed and invalidating the layout if the size changes
static int	verifyRotation(java.lang.String label, int rotateHint)           verifyRotation returns the best rotation for the string (ROTATE_NONE, ROTATE_LEFT, ROTATE_RIGHT) This is public static so you can use it to test a string without creating a VTextIcon from http://www.unicode.org/unicode/reports/tr9/tr9-3.html When setting text using the Arabic script in vertical lines, it is more common to employ a horizontal baseline that is rotated by 90¡ counterclockwise so that the characters are ordered from top to bottom.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

fLabel

java.lang.String fLabel

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fCharStrings

java.lang.String[] fCharStrings

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fCharWidths

int[] fCharWidths

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fPosition

int[] fPosition

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fWidth

int fWidth

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fHeight

int fHeight

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fCharHeight

int fCharHeight

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fDescent

int fDescent

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fRotation

int fRotation

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fComponent

java.awt.Component fComponent

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POSITION_NORMAL

static final int POSITION_NORMAL

See Also:

Constant Field Values

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POSITION_TOP_RIGHT

static final int POSITION_TOP_RIGHT

See Also:

Constant Field Values

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POSITION_FAR_TOP_RIGHT

static final int POSITION_FAR_TOP_RIGHT

See Also:

Constant Field Values

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ROTATE_DEFAULT

public static final int ROTATE_DEFAULT

See Also:

Constant Field Values

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ROTATE_NONE

public static final int ROTATE_NONE

See Also:

Constant Field Values

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ROTATE_LEFT

public static final int ROTATE_LEFT

See Also:

Constant Field Values

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ROTATE_RIGHT

public static final int ROTATE_RIGHT

See Also:

Constant Field Values

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sDrawsInTopRight

static final java.lang.String sDrawsInTopRight

See Also:

Constant Field Values

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sDrawsInFarTopRight

static final java.lang.String sDrawsInFarTopRight

See Also:

Constant Field Values

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DEFAULT_CJK

static final int DEFAULT_CJK

See Also:

Constant Field Values

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LEGAL_ROMAN

static final int LEGAL_ROMAN

See Also:

Constant Field Values

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DEFAULT_ROMAN

static final int DEFAULT_ROMAN

See Also:

Constant Field Values

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LEGAL_MUST_ROTATE

static final int LEGAL_MUST_ROTATE

See Also:

Constant Field Values

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DEFAULT_MUST_ROTATE

static final int DEFAULT_MUST_ROTATE

See Also:

Constant Field Values

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NINETY_DEGREES

static final double NINETY_DEGREES

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kBufferSpace

static final int kBufferSpace

See Also:

Constant Field Values

Constructor Detail

VTextIcon

public VTextIcon(java.awt.Component component,
                 java.lang.String label)

Creates a VTextIcon for the specified component with the specified label. It sets the orientation to the default for the string

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VTextIcon

public VTextIcon(java.awt.Component component,
                 java.lang.String label,
                 int rotateHint)

Creates a VTextIcon for the specified component with the specified label. It sets the orientation to the provided value if it's legal for the string

Method Detail

setLabel

public void setLabel(java.lang.String label)

sets the label to the given string, updating the orientation as needed and invalidating the layout if the size changes

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propertyChange

public void propertyChange(java.beans.PropertyChangeEvent e)

Checks for changes to the font on the fComponent so that it can invalidate the layout if the size changes

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

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recalcDimensions

void recalcDimensions()

Calculates the dimensions. If they've changed, invalidates the component

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calcDimensions

void calcDimensions()

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paintIcon

public void paintIcon(java.awt.Component c,
                      java.awt.Graphics g,
                      int x,
                      int y)

Draw the icon at the specified location. Icon implementations may use the Component argument to get properties useful for painting, e.g. the foreground or background color.

Specified by:

paintIcon in interface javax.swing.Icon

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getIconWidth

public int getIconWidth()

Returns the icon's width.

Specified by:

getIconWidth in interface javax.swing.Icon

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getIconHeight

public int getIconHeight()

Returns the icon's height.

Specified by:

getIconHeight in interface javax.swing.Icon

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verifyRotation

public static int verifyRotation(java.lang.String label,
                                 int rotateHint)

verifyRotation returns the best rotation for the string (ROTATE_NONE, ROTATE_LEFT, ROTATE_RIGHT) This is public static so you can use it to test a string without creating a VTextIcon from http://www.unicode.org/unicode/reports/tr9/tr9-3.html When setting text using the Arabic script in vertical lines, it is more common to employ a horizontal baseline that is rotated by 90¡ counterclockwise so that the characters are ordered from top to bottom. Latin text and numbers may be rotated 90¡ clockwise so that the characters are also ordered from top to bottom. Rotation rules - Roman can rotate left, right, or none - default right (counterclockwise) - CJK can't rotate - Arabic must rotate - default left (clockwise) from the online edition of _The Unicode Standard, Version 3.0_, file ch10.pdf page 4 Ideographs are found in three blocks of the Unicode Standard... U+4E00-U+9FFF, U+3400-U+4DFF, U+F900-U+FAFF Hiragana is U+3040-U+309F, katakana is U+30A0-U+30FF from http://www.unicode.org/unicode/faq/writingdirections.html East Asian scripts are frequently written in vertical lines which run from top-to-bottom and are arrange columns either from left-to-right (Mongolian) or right-to-left (other scripts). Most characters use the same shape and orientation when displayed horizontally or vertically, but many punctuation characters will change their shape when displayed vertically. Letters and words from other scripts are generally rotated through ninety degree angles so that they, too, will read from top to bottom. That is, letters from left-to-right scripts will be rotated clockwise and letters from right-to-left scripts counterclockwise, both through ninety degree angles. Unlike the bidirectional case, the choice of vertical layout is usually treated as a formatting style; therefore, the Unicode Standard does not define default rendering behavior for vertical text nor provide directionality controls designed to override such behavior

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> imagero >> gui >> [ swing overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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