OpenJDK 27 · java.awt.font.TextLine · APIdia, the JavaDoc alternative

Modifier and Type	Class and Description
private abstract static class	TextLine.Function
pack-priv static class	TextLine.TextLineMetrics

Field Summary

Modifier and Type	Field and Description
private float[]	fBaselineOffsets
private byte[]	fCharLevels
private int[]	fCharLogicalOrder
private char[]	fChars
private int	fCharsLimit
private int	fCharsStart
private int[]	fCharVisualOrder
private TextLineComponent[]	fComponents
private int[]	fComponentVisualOrder
private static TextLine.Function	fgAdvanceF
private static TextLine.Function	fgPosAdvF
private static TextLine.Function	fgXPositionF
private static TextLine.Function	fgYPositionF
private boolean	fIsDirectionLTR
private TextLine.TextLineMetrics	fMetrics
private FontRenderContext	frc
private boolean	isSimple
private float[]	locs
private LayoutPathImpl	lp
private Rectangle	pixelBounds

Constructor Summary

Access	Constructor and Description
public	TextLine(FontRenderContext frc, TextLineComponent[] components, float[] baselineOffsets, char[] chars, int charsStart, int charsLimit, int[] charLogicalOrder, byte[] charLevels, boolean isDirectionLTR)

Method Summary

Modifier and Type	Method and Description
pack-priv static boolean	advanceToFirstFont(AttributedCharacterIterator aci) When this returns, the ACI's current position will be at the start of the first run which does NOT contain a GraphicAttribute.
private float	applyFunctionAtIndex(int logicalIndex, TextLine.Function f)
public boolean	caretAtOffsetIsValid(int offset)
public int	characterCount()
private void	checkCtorArgs()
private static int[]	computeComponentOrder(TextLineComponent[] components, int[] charsLtoV) Compute the components order from the given components array and logical-to-visual character mapping.
pack-priv static Rectangle	computePixelBounds(BufferedImage im)
public static TextLineComponent[]	createComponentsOnRun(int runStart, int runLimit, char[] chars, int[] charsLtoV, byte[] levels, TextLabelFactory factory, Font font, CoreMetrics cm, FontRenderContext frc, Decoration decorator, TextLineComponent[] components, int numComponents) Returns an array in logical order of the TextLineComponents on the text in the given range, with the given attributes.
public static TextLine	createLineFromText(char[] chars, StyledParagraph styledParagraph, TextLabelFactory factory, boolean isDirectionLTR, float[] baselineOffsets) Create a TextLine from the Font and character data over the range.
public void	draw(Graphics2D g2, float x, float y)
private static TextLineComponent[]	expandArray(TextLineComponent[] orig)
public static TextLine	fastCreateTextLine(FontRenderContext frc, char[] chars, Font font, CoreMetrics lm, Map<? extends AttributedCharacterIterator.Attribute, ?> attributes) Create a TextLine from the text.
private static int	firstVisualChunk(int[] order, byte[] direction, int start, int limit)
public static float	getAdvanceBetween(TextLineComponent[] components, int start, int limit)
public float	getCharAdvance(int logicalIndex)
public float	getCharAngle(int logicalIndex)
public float	getCharAscent(int logicalIndex)
public Rectangle2D	getCharBounds(int logicalIndex)
public float	getCharDescent(int logicalIndex)
public byte	getCharLevel(int logicalIndex)
public float	getCharLinePosition(int logicalIndex)
public float	getCharLinePosition(int logicalIndex, boolean leading)
public float	getCharShift(int logicalIndex)
public int	getCharType(int logicalIndex)
public float	getCharXPosition(int logicalIndex)
public float	getCharYPosition(int logicalIndex)
private int	getComponentLogicalIndex(int vi) map a component visual index to the logical index.
public static TextLineComponent[]	getComponents(StyledParagraph styledParagraph, char[] chars, int textStart, int textLimit, int[] charsLtoV, byte[] levels, TextLabelFactory factory) Returns an array (in logical order) of the TextLineComponents representing the text.
private float	getComponentShift(int index)
private int	getComponentVisualIndex(int li) map a component logical index to the visual index.
public CoreMetrics	getCoreMetricsAt(int logicalIndex)
pack-priv static Font	getFontAtCurrentPos(AttributedCharacterIterator aci)
public Rectangle2D	getItalicBounds()
public TextLine	getJustifiedLine(float justificationWidth, float justifyRatio, int justStart, int justLimit)
pack-priv LayoutPathImpl	getLayoutPath()
public TextLine.TextLineMetrics	getMetrics()
pack-priv static float[]	getNormalizedOffsets(float[] baselineOffsets, byte baseline)
public Shape	getOutline()
public Rectangle	getPixelBounds(FontRenderContext frc, float x, float y)
public Rectangle2D	getVisualBounds() Return the union of the visual bounds of all the components.
private void	init()
public boolean	isCharLTR(int logicalIndex)
public boolean	isCharSpace(int logicalIndex)
public boolean	isCharWhitespace(int logicalIndex)
public boolean	isDirectionLTR()
public int	logicalToVisual(int logicalIndex)
public static TextLine	standardCreateTextLine(FontRenderContext frc, AttributedCharacterIterator text, char[] chars, float[] baselineOffsets) Create a TextLine from the text.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
public int	visualToLogical(int visualIndex)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

fBaselineOffsets	back to summary
private float[] fBaselineOffsets

fCharLevels	back to summary
private byte[] fCharLevels

fCharLogicalOrder	back to summary
private int[] fCharLogicalOrder

fChars	back to summary
private char[] fChars

fCharsLimit	back to summary
private int fCharsLimit

fCharsStart	back to summary
private int fCharsStart

fCharVisualOrder	back to summary
private int[] fCharVisualOrder

fComponents	back to summary
private TextLineComponent[] fComponents

fComponentVisualOrder	back to summary
private int[] fComponentVisualOrder

fgAdvanceF	back to summary
private static TextLine.Function fgAdvanceF

fgPosAdvF	back to summary
private static TextLine.Function fgPosAdvF

fgXPositionF	back to summary
private static TextLine.Function fgXPositionF

fgYPositionF	back to summary
private static TextLine.Function fgYPositionF

fIsDirectionLTR	back to summary
private boolean fIsDirectionLTR

fMetrics	back to summary
private TextLine.TextLineMetrics fMetrics

frc	back to summary
private FontRenderContext frc

isSimple	back to summary
private boolean isSimple

locs	back to summary
private float[] locs

lp	back to summary
private LayoutPathImpl lp

pixelBounds	back to summary
private Rectangle pixelBounds

Constructor Detail

TextLine	back to summary
public TextLine(FontRenderContext frc, TextLineComponent[] components, float[] baselineOffsets, char[] chars, int charsStart, int charsLimit, int[] charLogicalOrder, byte[] charLevels, boolean isDirectionLTR)

Method Detail

advanceToFirstFont	back to summary
pack-priv static boolean advanceToFirstFont(AttributedCharacterIterator aci) When this returns, the ACI's current position will be at the start of the first run which does NOT contain a GraphicAttribute. If no such run exists the ACI's position will be at the end, and this method will return false.

applyFunctionAtIndex	back to summary
private float applyFunctionAtIndex(int logicalIndex, TextLine.Function f)

caretAtOffsetIsValid	back to summary
public boolean caretAtOffsetIsValid(int offset)

characterCount	back to summary
public int characterCount()

checkCtorArgs	back to summary
private void checkCtorArgs()

computeComponentOrder	back to summary
private static int[] computeComponentOrder(TextLineComponent[] components, int[] charsLtoV) Compute the components order from the given components array and logical-to-visual character mapping. May return null if canonical.

computePixelBounds	back to summary
pack-priv static Rectangle computePixelBounds(BufferedImage im)

createComponentsOnRun	back to summary
public static TextLineComponent[] createComponentsOnRun(int runStart, int runLimit, char[] chars, int[] charsLtoV, byte[] levels, TextLabelFactory factory, Font font, CoreMetrics cm, FontRenderContext frc, Decoration decorator, TextLineComponent[] components, int numComponents) Returns an array in logical order of the TextLineComponents on the text in the given range, with the given attributes.

createComponentsOnRun

back to summary

public static TextLineComponent[] createComponentsOnRun(int runStart, int runLimit, char[] chars, int[] charsLtoV, byte[] levels, TextLabelFactory factory, Font font, CoreMetrics cm, FontRenderContext frc, Decoration decorator, TextLineComponent[] components, int numComponents)

Returns an array in logical order of the TextLineComponents on the text in the given range, with the given attributes.

createLineFromText	back to summary
public static TextLine createLineFromText(char[] chars, StyledParagraph styledParagraph, TextLabelFactory factory, boolean isDirectionLTR, float[] baselineOffsets) Create a TextLine from the Font and character data over the range. The range is relative to both the StyledParagraph and the character array.

draw	back to summary
public void draw(Graphics2D g2, float x, float y)

expandArray	back to summary
private static TextLineComponent[] expandArray(TextLineComponent[] orig)

fastCreateTextLine	back to summary
public static TextLine fastCreateTextLine(FontRenderContext frc, char[] chars, Font font, CoreMetrics lm, Map<? extends AttributedCharacterIterator.Attribute, ?> attributes) Create a TextLine from the text. The Font must be able to display all of the text. attributes==null is equivalent to using an empty Map for attributes

firstVisualChunk	back to summary
private static int firstVisualChunk(int[] order, byte[] direction, int start, int limit)

getAdvanceBetween	back to summary
public static float getAdvanceBetween(TextLineComponent[] components, int start, int limit)

getCharAdvance	back to summary
public float getCharAdvance(int logicalIndex)

getCharAngle	back to summary
public float getCharAngle(int logicalIndex)

getCharAscent	back to summary
public float getCharAscent(int logicalIndex)

getCharBounds	back to summary
public Rectangle2D getCharBounds(int logicalIndex)

getCharDescent	back to summary
public float getCharDescent(int logicalIndex)

getCharLevel	back to summary
public byte getCharLevel(int logicalIndex)

getCharLinePosition	back to summary
public float getCharLinePosition(int logicalIndex)

getCharLinePosition	back to summary
public float getCharLinePosition(int logicalIndex, boolean leading)

getCharShift	back to summary
public float getCharShift(int logicalIndex)

getCharType	back to summary
public int getCharType(int logicalIndex)

getCharXPosition	back to summary
public float getCharXPosition(int logicalIndex)

getCharYPosition	back to summary
public float getCharYPosition(int logicalIndex)

getComponentLogicalIndex	back to summary
private int getComponentLogicalIndex(int vi) map a component visual index to the logical index.

getComponents	back to summary
public static TextLineComponent[] getComponents(StyledParagraph styledParagraph, char[] chars, int textStart, int textLimit, int[] charsLtoV, byte[] levels, TextLabelFactory factory) Returns an array (in logical order) of the TextLineComponents representing the text. The components are both logically and visually contiguous.

getComponentShift	back to summary
private float getComponentShift(int index)

getComponentVisualIndex	back to summary
private int getComponentVisualIndex(int li) map a component logical index to the visual index.

getCoreMetricsAt	back to summary
public CoreMetrics getCoreMetricsAt(int logicalIndex)

getFontAtCurrentPos	back to summary
pack-priv static Font getFontAtCurrentPos(AttributedCharacterIterator aci)

getItalicBounds	back to summary
public Rectangle2D getItalicBounds()

getJustifiedLine	back to summary
public TextLine getJustifiedLine(float justificationWidth, float justifyRatio, int justStart, int justLimit)

getLayoutPath	back to summary
pack-priv LayoutPathImpl getLayoutPath()

getMetrics	back to summary
public TextLine.TextLineMetrics getMetrics()

getNormalizedOffsets	back to summary
pack-priv static float[] getNormalizedOffsets(float[] baselineOffsets, byte baseline)

getOutline	back to summary
public Shape getOutline()

getPixelBounds	back to summary
public Rectangle getPixelBounds(FontRenderContext frc, float x, float y)

getVisualBounds	back to summary
public Rectangle2D getVisualBounds() Return the union of the visual bounds of all the components. This incorporates the path. It does not include logical bounds (used by carets).

init	back to summary
private void init()

isCharLTR	back to summary
public boolean isCharLTR(int logicalIndex)

isCharSpace	back to summary
public boolean isCharSpace(int logicalIndex)

isCharWhitespace	back to summary
public boolean isCharWhitespace(int logicalIndex)

isDirectionLTR	back to summary
public boolean isDirectionLTR()

logicalToVisual	back to summary
public int logicalToVisual(int logicalIndex)

standardCreateTextLine	back to summary
public static TextLine standardCreateTextLine(FontRenderContext frc, AttributedCharacterIterator text, char[] chars, float[] baselineOffsets) Create a TextLine from the text. chars is just the text in the iterator.

toString back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

visualToLogical	back to summary
public int visualToLogical(int visualIndex)

Modifier and Type	Field and Description
public final float	advance
public final float	ascent
public final float	descent
public final float	leading

pack-priv final Class TextLine

Nested and Inner Type Summary

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private abstract Class TextLine.Function

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pack-priv final Class TextLine.TextLineMetrics

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