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Java Source Code / Java Documentation » Graphic Library » jcommon components » org.jfree.text

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.jfree.text .TextUtilities

TextUtilities
public class TextUtilities (Code)
	Some utility methods for working with text. author: David Gilbert

Field Summary
final protected static LogContext	logger Access to logging facilities.

Method Summary
public static Shape	calculateRotatedStringBounds(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, TextAnchor rotationAnchor) Returns a shape that represents the bounds of the string after the specified rotation has been applied. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics device. Parameters: x - the x coordinate for the anchor point. Parameters: y - the y coordinate for the anchor point. Parameters: textAnchor - the text anchor. Parameters: angle - the angle. Parameters: rotationAnchor - the rotation anchor.
public static Shape	calculateRotatedStringBounds(String text, Graphics2D g2, float textX, float textY, double angle, float rotateX, float rotateY) Returns a shape that represents the bounds of the string after the specified rotation has been applied. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics device. Parameters: textX - the x coordinate for the text. Parameters: textY - the y coordinate for the text. Parameters: angle - the angle. Parameters: rotateX - the x coordinate for the rotation point. Parameters: rotateY - the y coordinate for the rotation point.
public static TextBlock	createTextBlock(String text, Font font, Paint paint) Creates a TextBlock from a `String`.
public static TextBlock	createTextBlock(String text, Font font, Paint paint, float maxWidth, TextMeasurer measurer) Creates a new text block from the given string, breaking the text into lines so that the `maxWidth` value is respected. Parameters: text - the text. Parameters: font - the font. Parameters: paint - the paint. Parameters: maxWidth - the maximum width for each line. Parameters: measurer - the text measurer.
public static TextBlock	createTextBlock(String text, Font font, Paint paint, float maxWidth, int maxLines, TextMeasurer measurer) Creates a new text block from the given string, breaking the text into lines so that the `maxWidth` value is respected. Parameters: text - the text. Parameters: font - the font. Parameters: paint - the paint. Parameters: maxWidth - the maximum width for each line. Parameters: maxLines - the maximum number of lines. Parameters: measurer - the text measurer.
public static Rectangle2D	drawAlignedString(String text, Graphics2D g2, float x, float y, TextAnchor anchor) Draws a string such that the specified anchor point is aligned to the given (x, y) location. Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: x - the x coordinate (Java 2D). Parameters: y - the y coordinate (Java 2D). Parameters: anchor - the anchor location.
public static void	drawRotatedString(String text, Graphics2D g2, double angle, float x, float y) A utility method for drawing rotated text.
public static void	drawRotatedString(String text, Graphics2D g2, float textX, float textY, double angle, float rotateX, float rotateY) A utility method for drawing rotated text.
public static void	drawRotatedString(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, float rotationX, float rotationY) Draws a string that is aligned by one anchor point and rotated about another anchor point.
public static void	drawRotatedString(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, TextAnchor rotationAnchor) Draws a string that is aligned by one anchor point and rotated about another anchor point.
public static Rectangle2D	getTextBounds(String text, Graphics2D g2, FontMetrics fm) Returns the bounds for the specified text. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics context (not `null`). Parameters: fm - the font metrics (not `null`).
public static boolean	getUseFontMetricsGetStringBounds() Returns the flag that controls whether the FontMetrics.getStringBounds() method is used or not.
public static boolean	isUseDrawRotatedStringWorkaround()
public static void	setUseDrawRotatedStringWorkaround(boolean use) Sets the flag that controls whether or not a workaround is used for drawing rotated strings.
public static void	setUseFontMetricsGetStringBounds(boolean use) Sets the flag that controls whether the FontMetrics.getStringBounds() method is used or not.

Field Detail

logger
final protected static LogContext logger(Code)
	Access to logging facilities.

Method Detail

calculateRotatedStringBounds
public static Shape calculateRotatedStringBounds(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, TextAnchor rotationAnchor)(Code)
	Returns a shape that represents the bounds of the string after the specified rotation has been applied. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics device. Parameters: x - the x coordinate for the anchor point. Parameters: y - the y coordinate for the anchor point. Parameters: textAnchor - the text anchor. Parameters: angle - the angle. Parameters: rotationAnchor - the rotation anchor. The bounds (possibly `null`).

calculateRotatedStringBounds
public static Shape calculateRotatedStringBounds(String text, Graphics2D g2, float textX, float textY, double angle, float rotateX, float rotateY)(Code)
	Returns a shape that represents the bounds of the string after the specified rotation has been applied. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics device. Parameters: textX - the x coordinate for the text. Parameters: textY - the y coordinate for the text. Parameters: angle - the angle. Parameters: rotateX - the x coordinate for the rotation point. Parameters: rotateY - the y coordinate for the rotation point. The bounds (`null` if `text` is null or has zero length).

createTextBlock
public static TextBlock createTextBlock(String text, Font font, Paint paint)(Code)
	Creates a TextBlock from a `String`. Line breaks are added where the `String` contains '\n' characters. Parameters: text - the text. Parameters: font - the font. Parameters: paint - the paint. A text block.

createTextBlock
public static TextBlock createTextBlock(String text, Font font, Paint paint, float maxWidth, TextMeasurer measurer)(Code)
	Creates a new text block from the given string, breaking the text into lines so that the `maxWidth` value is respected. Parameters: text - the text. Parameters: font - the font. Parameters: paint - the paint. Parameters: maxWidth - the maximum width for each line. Parameters: measurer - the text measurer. A text block.

createTextBlock
public static TextBlock createTextBlock(String text, Font font, Paint paint, float maxWidth, int maxLines, TextMeasurer measurer)(Code)
	Creates a new text block from the given string, breaking the text into lines so that the `maxWidth` value is respected. Parameters: text - the text. Parameters: font - the font. Parameters: paint - the paint. Parameters: maxWidth - the maximum width for each line. Parameters: maxLines - the maximum number of lines. Parameters: measurer - the text measurer. A text block.

drawAlignedString
public static Rectangle2D drawAlignedString(String text, Graphics2D g2, float x, float y, TextAnchor anchor)(Code)
	Draws a string such that the specified anchor point is aligned to the given (x, y) location. Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: x - the x coordinate (Java 2D). Parameters: y - the y coordinate (Java 2D). Parameters: anchor - the anchor location. The text bounds (adjusted for the text position).

drawRotatedString
public static void drawRotatedString(String text, Graphics2D g2, double angle, float x, float y)(Code)
	A utility method for drawing rotated text. A common rotation is -Math.PI/2 which draws text 'vertically' (with the top of the characters on the left). Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: angle - the angle of the (clockwise) rotation (in radians). Parameters: x - the x-coordinate. Parameters: y - the y-coordinate.

drawRotatedString
public static void drawRotatedString(String text, Graphics2D g2, float textX, float textY, double angle, float rotateX, float rotateY)(Code)
	A utility method for drawing rotated text. A common rotation is -Math.PI/2 which draws text 'vertically' (with the top of the characters on the left). Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: textX - the x-coordinate for the text (before rotation). Parameters: textY - the y-coordinate for the text (before rotation). Parameters: angle - the angle of the (clockwise) rotation (in radians). Parameters: rotateX - the point about which the text is rotated. Parameters: rotateY - the point about which the text is rotated.

drawRotatedString
public static void drawRotatedString(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, float rotationX, float rotationY)(Code)
	Draws a string that is aligned by one anchor point and rotated about another anchor point. Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: x - the x-coordinate for positioning the text. Parameters: y - the y-coordinate for positioning the text. Parameters: textAnchor - the text anchor. Parameters: angle - the rotation angle. Parameters: rotationX - the x-coordinate for the rotation anchor point. Parameters: rotationY - the y-coordinate for the rotation anchor point.

drawRotatedString
public static void drawRotatedString(String text, Graphics2D g2, float x, float y, TextAnchor textAnchor, double angle, TextAnchor rotationAnchor)(Code)
	Draws a string that is aligned by one anchor point and rotated about another anchor point. Parameters: text - the text. Parameters: g2 - the graphics device. Parameters: x - the x-coordinate for positioning the text. Parameters: y - the y-coordinate for positioning the text. Parameters: textAnchor - the text anchor. Parameters: angle - the rotation angle (in radians). Parameters: rotationAnchor - the rotation anchor.

getTextBounds
public static Rectangle2D getTextBounds(String text, Graphics2D g2, FontMetrics fm)(Code)
	Returns the bounds for the specified text. Parameters: text - the text (`null` permitted). Parameters: g2 - the graphics context (not `null`). Parameters: fm - the font metrics (not `null`). The text bounds (`null` if the `text` argument is `null`).

getUseFontMetricsGetStringBounds
public static boolean getUseFontMetricsGetStringBounds()(Code)
	Returns the flag that controls whether the FontMetrics.getStringBounds() method is used or not. If you are having trouble with label alignment or positioning, try changing the value of this flag. A boolean.

isUseDrawRotatedStringWorkaround
public static boolean isUseDrawRotatedStringWorkaround()(Code)

setUseDrawRotatedStringWorkaround
public static void setUseDrawRotatedStringWorkaround(boolean use)(Code)
	Sets the flag that controls whether or not a workaround is used for drawing rotated strings. The related bug is on Sun's bug parade (id 4312117) and the workaround involves using a `TextLayout` instance to draw the text instead of calling the `drawString()` method in the `Graphics2D` class. Parameters: use - the new flag value.

setUseFontMetricsGetStringBounds
public static void setUseFontMetricsGetStringBounds(boolean use)(Code)
	Sets the flag that controls whether the FontMetrics.getStringBounds() method is used or not. If you are having trouble with label alignment or positioning, try changing the value of this flag. Parameters: use - the flag.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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