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JRE 8 rt.jar - java.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/awt/font/TextAttribute.java
/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ /* * (C) Copyright Taligent, Inc. 1996 - 1997, All Rights Reserved * (C) Copyright IBM Corp. 1996 - 1998, All Rights Reserved * * The original version of this source code and documentation is * copyrighted and owned by Taligent, Inc., a wholly-owned subsidiary * of IBM. These materials are provided under terms of a License * Agreement between Taligent and Sun. This technology is protected * by multiple US and International patents. * * This notice and attribution to Taligent may not be removed. * Taligent is a registered trademark of Taligent, Inc. * */ package java.awt.font; import java.io.InvalidObjectException; import java.text.AttributedCharacterIterator.Attribute; import java.util.Map; import java.util.HashMap; /** * The <code>TextAttribute</code> class defines attribute keys and * attribute values used for text rendering. * <p> * <code>TextAttribute</code> instances are used as attribute keys to * identify attributes in * {@link java.awt.Font Font}, * {@link java.awt.font.TextLayout TextLayout}, * {@link java.text.AttributedCharacterIterator AttributedCharacterIterator}, * and other classes handling text attributes. Other constants defined * in this class can be used as attribute values. * <p> * For each text attribute, the documentation provides: * <UL> * <LI>the type of its value, * <LI>the relevant predefined constants, if any * <LI>the default effect if the attribute is absent * <LI>the valid values if there are limitations * <LI>a description of the effect. * </UL> * <p> * <H3>Values</H3> * <UL> * <LI>The values of attributes must always be immutable. * <LI>Where value limitations are given, any value outside of that * set is reserved for future use; the value will be treated as * the default. * <LI>The value <code>null</code> is treated the same as the * default value and results in the default behavior. * <li>If the value is not of the proper type, the attribute * will be ignored. * <li>The identity of the value does not matter, only the actual * value. For example, <code>TextAttribute.WEIGHT_BOLD</code> and * <code>new Float(2.0)</code> * indicate the same <code>WEIGHT</code>. * <li>Attribute values of type <code>Number</code> (used for * <code>WEIGHT</code>, <code>WIDTH</code>, <code>POSTURE</code>, * <code>SIZE</code>, <code>JUSTIFICATION</code>, and * <code>TRACKING</code>) can vary along their natural range and are * not restricted to the predefined constants. * <code>Number.floatValue()</code> is used to get the actual value * from the <code>Number</code>. * <li>The values for <code>WEIGHT</code>, <code>WIDTH</code>, and * <code>POSTURE</code> are interpolated by the system, which * can select the 'nearest available' font or use other techniques to * approximate the user's request. * * </UL> * * <h4>Summary of attributes</h4> * <p> * <table style="float:center" border="0" cellspacing="0" cellpadding="2" width="%95" * summary="Key, value type, principal constants, and default value * behavior of all TextAttributes"> * <tr style="background-color:#ccccff"> * <th valign="TOP" align="CENTER">Key</th> * <th valign="TOP" align="CENTER">Value Type</th> * <th valign="TOP" align="CENTER">Principal Constants</th> * <th valign="TOP" align="CENTER">Default Value</th> * </tr> * <tr> * <td valign="TOP">{@link #FAMILY}</td> * <td valign="TOP">String</td> * <td valign="TOP">See Font {@link java.awt.Font#DIALOG DIALOG}, * {@link java.awt.Font#DIALOG_INPUT DIALOG_INPUT},<br> {@link java.awt.Font#SERIF SERIF}, * {@link java.awt.Font#SANS_SERIF SANS_SERIF}, and {@link java.awt.Font#MONOSPACED MONOSPACED}. * </td> * <td valign="TOP">"Default" (use platform default)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #WEIGHT}</td> * <td valign="TOP">Number</td> * <td valign="TOP">WEIGHT_REGULAR, WEIGHT_BOLD</td> * <td valign="TOP">WEIGHT_REGULAR</td> * </tr> * <tr> * <td valign="TOP">{@link #WIDTH}</td> * <td valign="TOP">Number</td> * <td valign="TOP">WIDTH_CONDENSED, WIDTH_REGULAR,<br>WIDTH_EXTENDED</td> * <td valign="TOP">WIDTH_REGULAR</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #POSTURE}</td> * <td valign="TOP">Number</td> * <td valign="TOP">POSTURE_REGULAR, POSTURE_OBLIQUE</td> * <td valign="TOP">POSTURE_REGULAR</td> * </tr> * <tr> * <td valign="TOP">{@link #SIZE}</td> * <td valign="TOP">Number</td> * <td valign="TOP">none</td> * <td valign="TOP">12.0</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #TRANSFORM}</td> * <td valign="TOP">{@link TransformAttribute}</td> * <td valign="TOP">See TransformAttribute {@link TransformAttribute#IDENTITY IDENTITY}</td> * <td valign="TOP">TransformAttribute.IDENTITY</td> * </tr> * <tr> * <td valign="TOP">{@link #SUPERSCRIPT}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">SUPERSCRIPT_SUPER, SUPERSCRIPT_SUB</td> * <td valign="TOP">0 (use the standard glyphs and metrics)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #FONT}</td> * <td valign="TOP">{@link java.awt.Font}</td> * <td valign="TOP">none</td> * <td valign="TOP">null (do not override font resolution)</td> * </tr> * <tr> * <td valign="TOP">{@link #CHAR_REPLACEMENT}</td> * <td valign="TOP">{@link GraphicAttribute}</td> * <td valign="TOP">none</td> * <td valign="TOP">null (draw text using font glyphs)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #FOREGROUND}</td> * <td valign="TOP">{@link java.awt.Paint}</td> * <td valign="TOP">none</td> * <td valign="TOP">null (use current graphics paint)</td> * </tr> * <tr> * <td valign="TOP">{@link #BACKGROUND}</td> * <td valign="TOP">{@link java.awt.Paint}</td> * <td valign="TOP">none</td> * <td valign="TOP">null (do not render background)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #UNDERLINE}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">UNDERLINE_ON</td> * <td valign="TOP">-1 (do not render underline)</td> * </tr> * <tr> * <td valign="TOP">{@link #STRIKETHROUGH}</td> * <td valign="TOP">Boolean</td> * <td valign="TOP">STRIKETHROUGH_ON</td> * <td valign="TOP">false (do not render strikethrough)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #RUN_DIRECTION}</td> * <td valign="TOP">Boolean</td> * <td valign="TOP">RUN_DIRECTION_LTR<br>RUN_DIRECTION_RTL</td> * <td valign="TOP">null (use {@link java.text.Bidi} standard default)</td> * </tr> * <tr> * <td valign="TOP">{@link #BIDI_EMBEDDING}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">none</td> * <td valign="TOP">0 (use base line direction)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #JUSTIFICATION}</td> * <td valign="TOP">Number</td> * <td valign="TOP">JUSTIFICATION_FULL</td> * <td valign="TOP">JUSTIFICATION_FULL</td> * </tr> * <tr> * <td valign="TOP">{@link #INPUT_METHOD_HIGHLIGHT}</td> * <td valign="TOP">{@link java.awt.im.InputMethodHighlight},<br>{@link java.text.Annotation}</td> * <td valign="TOP">(see class)</td> * <td valign="TOP">null (do not apply input highlighting)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #INPUT_METHOD_UNDERLINE}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">UNDERLINE_LOW_ONE_PIXEL,<br>UNDERLINE_LOW_TWO_PIXEL</td> * <td valign="TOP">-1 (do not render underline)</td> * </tr> * <tr> * <td valign="TOP">{@link #SWAP_COLORS}</td> * <td valign="TOP">Boolean</td> * <td valign="TOP">SWAP_COLORS_ON</td> * <td valign="TOP">false (do not swap colors)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #NUMERIC_SHAPING}</td> * <td valign="TOP">{@link java.awt.font.NumericShaper}</td> * <td valign="TOP">none</td> * <td valign="TOP">null (do not shape digits)</td> * </tr> * <tr> * <td valign="TOP">{@link #KERNING}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">KERNING_ON</td> * <td valign="TOP">0 (do not request kerning)</td> * </tr> * <tr style="background-color:#eeeeff"> * <td valign="TOP">{@link #LIGATURES}</td> * <td valign="TOP">Integer</td> * <td valign="TOP">LIGATURES_ON</td> * <td valign="TOP">0 (do not form optional ligatures)</td> * </tr> * <tr> * <td valign="TOP">{@link #TRACKING}</td> * <td valign="TOP">Number</td> * <td valign="TOP">TRACKING_LOOSE, TRACKING_TIGHT</td> * <td valign="TOP">0 (do not add tracking)</td> * </tr> * </table> * * @see java.awt.Font * @see java.awt.font.TextLayout * @see java.text.AttributedCharacterIterator */ public final class TextAttribute extends Attribute { // table of all instances in this class, used by readResolve private static final Map<String, TextAttribute> instanceMap = new HashMap<String, TextAttribute>(29); /** * Constructs a <code>TextAttribute</code> with the specified name. * @param name the attribute name to assign to this * <code>TextAttribute</code> */ protected TextAttribute(String name) { super(name); if (this.getClass() == TextAttribute.class) { instanceMap.put(name, this); } } /** * Resolves instances being deserialized to the predefined constants. */ protected Object readResolve() throws InvalidObjectException { if (this.getClass() != TextAttribute.class) { throw new InvalidObjectException( "subclass didn't correctly implement readResolve"); } TextAttribute instance = instanceMap.get(getName()); if (instance != null) { return instance; } else { throw new InvalidObjectException("unknown attribute name"); } } // Serialization compatibility with Java 2 platform v1.2. // 1.2 will throw an InvalidObjectException if ever asked to // deserialize INPUT_METHOD_UNDERLINE. // This shouldn't happen in real life. static final long serialVersionUID = 7744112784117861702L; // // For use with Font. // /** * Attribute key for the font name. Values are instances of * <b><code>String</code></b>. The default value is * <code>"Default"</code>, which causes the platform default font * family to be used. * * <p> The <code>Font</code> class defines constants for the logical * font names * {@link java.awt.Font#DIALOG DIALOG}, * {@link java.awt.Font#DIALOG_INPUT DIALOG_INPUT}, * {@link java.awt.Font#SANS_SERIF SANS_SERIF}, * {@link java.awt.Font#SERIF SERIF}, and * {@link java.awt.Font#MONOSPACED MONOSPACED}. * * <p>This defines the value passed as <code>name</code> to the * <code>Font</code> constructor. Both logical and physical * font names are allowed. If a font with the requested name * is not found, the default font is used. * * <p><em>Note:</em> This attribute is unfortunately misnamed, as * it specifies the face name and not just the family. Thus * values such as "Lucida Sans Bold" will select that face if it * exists. Note, though, that if the requested face does not * exist, the default will be used with <em>regular</em> weight. * The "Bold" in the name is part of the face name, not a separate * request that the font's weight be bold.</p> */ public static final TextAttribute FAMILY = new TextAttribute("family"); /** * Attribute key for the weight of a font. Values are instances * of <b><code>Number</code></b>. The default value is * <code>WEIGHT_REGULAR</code>. * * <p>Several constant values are provided, see {@link * #WEIGHT_EXTRA_LIGHT}, {@link #WEIGHT_LIGHT}, {@link * #WEIGHT_DEMILIGHT}, {@link #WEIGHT_REGULAR}, {@link * #WEIGHT_SEMIBOLD}, {@link #WEIGHT_MEDIUM}, {@link * #WEIGHT_DEMIBOLD}, {@link #WEIGHT_BOLD}, {@link #WEIGHT_HEAVY}, * {@link #WEIGHT_EXTRABOLD}, and {@link #WEIGHT_ULTRABOLD}. The * value <code>WEIGHT_BOLD</code> corresponds to the * style value <code>Font.BOLD</code> as passed to the * <code>Font</code> constructor. * * <p>The value is roughly the ratio of the stem width to that of * the regular weight. * * <p>The system can interpolate the provided value. */ public static final TextAttribute WEIGHT = new TextAttribute("weight"); /** * The lightest predefined weight. * @see #WEIGHT */ public static final Float WEIGHT_EXTRA_LIGHT = Float.valueOf(0.5f); /** * The standard light weight. * @see #WEIGHT */ public static final Float WEIGHT_LIGHT = Float.valueOf(0.75f); /** * An intermediate weight between <code>WEIGHT_LIGHT</code> and * <code>WEIGHT_STANDARD</code>. * @see #WEIGHT */ public static final Float WEIGHT_DEMILIGHT = Float.valueOf(0.875f); /** * The standard weight. This is the default value for <code>WEIGHT</code>. * @see #WEIGHT */ public static final Float WEIGHT_REGULAR = Float.valueOf(1.0f); /** * A moderately heavier weight than <code>WEIGHT_REGULAR</code>. * @see #WEIGHT */ public static final Float WEIGHT_SEMIBOLD = Float.valueOf(1.25f); /** * An intermediate weight between <code>WEIGHT_REGULAR</code> and * <code>WEIGHT_BOLD</code>. * @see #WEIGHT */ public static final Float WEIGHT_MEDIUM = Float.valueOf(1.5f); /** * A moderately lighter weight than <code>WEIGHT_BOLD</code>. * @see #WEIGHT */ public static final Float WEIGHT_DEMIBOLD = Float.valueOf(1.75f); /** * The standard bold weight. * @see #WEIGHT */ public static final Float WEIGHT_BOLD = Float.valueOf(2.0f); /** * A moderately heavier weight than <code>WEIGHT_BOLD</code>. * @see #WEIGHT */ public static final Float WEIGHT_HEAVY = Float.valueOf(2.25f); /** * An extra heavy weight. * @see #WEIGHT */ public static final Float WEIGHT_EXTRABOLD = Float.valueOf(2.5f); /** * The heaviest predefined weight. * @see #WEIGHT */ public static final Float WEIGHT_ULTRABOLD = Float.valueOf(2.75f); /** * Attribute key for the width of a font. Values are instances of * <b><code>Number</code></b>. The default value is * <code>WIDTH_REGULAR</code>. * * <p>Several constant values are provided, see {@link * #WIDTH_CONDENSED}, {@link #WIDTH_SEMI_CONDENSED}, {@link * #WIDTH_REGULAR}, {@link #WIDTH_SEMI_EXTENDED}, {@link * #WIDTH_EXTENDED}. * * <p>The value is roughly the ratio of the advance width to that * of the regular width. * * <p>The system can interpolate the provided value. */ public static final TextAttribute WIDTH = new TextAttribute("width"); /** * The most condensed predefined width. * @see #WIDTH */ public static final Float WIDTH_CONDENSED = Float.valueOf(0.75f); /** * A moderately condensed width. * @see #WIDTH */ public static final Float WIDTH_SEMI_CONDENSED = Float.valueOf(0.875f); /** * The standard width. This is the default value for * <code>WIDTH</code>. * @see #WIDTH */ public static final Float WIDTH_REGULAR = Float.valueOf(1.0f); /** * A moderately extended width. * @see #WIDTH */ public static final Float WIDTH_SEMI_EXTENDED = Float.valueOf(1.25f); /** * The most extended predefined width. * @see #WIDTH */ public static final Float WIDTH_EXTENDED = Float.valueOf(1.5f); /** * Attribute key for the posture of a font. Values are instances * of <b><code>Number</code></b>. The default value is * <code>POSTURE_REGULAR</code>. * * <p>Two constant values are provided, {@link #POSTURE_REGULAR} * and {@link #POSTURE_OBLIQUE}. The value * <code>POSTURE_OBLIQUE</code> corresponds to the style value * <code>Font.ITALIC</code> as passed to the <code>Font</code> * constructor. * * <p>The value is roughly the slope of the stems of the font, * expressed as the run over the rise. Positive values lean right. * * <p>The system can interpolate the provided value. * * <p>This will affect the font's italic angle as returned by * <code>Font.getItalicAngle</code>. * * @see java.awt.Font#getItalicAngle() */ public static final TextAttribute POSTURE = new TextAttribute("posture"); /** * The standard posture, upright. This is the default value for * <code>POSTURE</code>. * @see #POSTURE */ public static final Float POSTURE_REGULAR = Float.valueOf(0.0f); /** * The standard italic posture. * @see #POSTURE */ public static final Float POSTURE_OBLIQUE = Float.valueOf(0.20f); /** * Attribute key for the font size. Values are instances of * <b><code>Number</code></b>. The default value is 12pt. * * <p>This corresponds to the <code>size</code> parameter to the * <code>Font</code> constructor. * * <p>Very large or small sizes will impact rendering performance, * and the rendering system might not render text at these sizes. * Negative sizes are illegal and result in the default size. * * <p>Note that the appearance and metrics of a 12pt font with a * 2x transform might be different than that of a 24 point font * with no transform. */ public static final TextAttribute SIZE = new TextAttribute("size"); /** * Attribute key for the transform of a font. Values are * instances of <b><code>TransformAttribute</code></b>. The * default value is <code>TransformAttribute.IDENTITY</code>. * * <p>The <code>TransformAttribute</code> class defines the * constant {@link TransformAttribute#IDENTITY IDENTITY}. * * <p>This corresponds to the transform passed to * <code>Font.deriveFont(AffineTransform)</code>. Since that * transform is mutable and <code>TextAttribute</code> values must * not be, the <code>TransformAttribute</code> wrapper class is * used. * * <p>The primary intent is to support scaling and skewing, though * other effects are possible.</p> * * <p>Some transforms will cause the baseline to be rotated and/or * shifted. The text and the baseline are transformed together so * that the text follows the new baseline. For example, with text * on a horizontal baseline, the new baseline follows the * direction of the unit x vector passed through the * transform. Text metrics are measured against this new baseline. * So, for example, with other things being equal, text rendered * with a rotated TRANSFORM and an unrotated TRANSFORM will measure as * having the same ascent, descent, and advance.</p> * * <p>In styled text, the baselines for each such run are aligned * one after the other to potentially create a non-linear baseline * for the entire run of text. For more information, see {@link * TextLayout#getLayoutPath}.</p> * * @see TransformAttribute * @see java.awt.geom.AffineTransform */ public static final TextAttribute TRANSFORM = new TextAttribute("transform"); /** * Attribute key for superscripting and subscripting. Values are * instances of <b><code>Integer</code></b>. The default value is * 0, which means that no superscript or subscript is used. * * <p>Two constant values are provided, see {@link * #SUPERSCRIPT_SUPER} and {@link #SUPERSCRIPT_SUB}. These have * the values 1 and -1 respectively. Values of * greater magnitude define greater levels of superscript or * subscripting, for example, 2 corresponds to super-superscript, * 3 to super-super-superscript, and similarly for negative values * and subscript, up to a level of 7 (or -7). Values beyond this * range are reserved; behavior is platform-dependent. * * <p><code>SUPERSCRIPT</code> can * impact the ascent and descent of a font. The ascent * and descent can never become negative, however. */ public static final TextAttribute SUPERSCRIPT = new TextAttribute("superscript"); /** * Standard superscript. * @see #SUPERSCRIPT */ public static final Integer SUPERSCRIPT_SUPER = Integer.valueOf(1); /** * Standard subscript. * @see #SUPERSCRIPT */ public static final Integer SUPERSCRIPT_SUB = Integer.valueOf(-1); /** * Attribute key used to provide the font to use to render text. * Values are instances of {@link java.awt.Font}. The default * value is null, indicating that normal resolution of a * <code>Font</code> from attributes should be performed. * * <p><code>TextLayout</code> and * <code>AttributedCharacterIterator</code> work in terms of * <code>Maps</code> of <code>TextAttributes</code>. Normally, * all the attributes are examined and used to select and * configure a <code>Font</code> instance. If a <code>FONT</code> * attribute is present, though, its associated <code>Font</code> * will be used. This provides a way for users to override the * resolution of font attributes into a <code>Font</code>, or * force use of a particular <code>Font</code> instance. This * also allows users to specify subclasses of <code>Font</code> in * cases where a <code>Font</code> can be subclassed. * * <p><code>FONT</code> is used for special situations where * clients already have a <code>Font</code> instance but still * need to use <code>Map</code>-based APIs. Typically, there will * be no other attributes in the <code>Map</code> except the * <code>FONT</code> attribute. With <code>Map</code>-based APIs * the common case is to specify all attributes individually, so * <code>FONT</code> is not needed or desireable. * * <p>However, if both <code>FONT</code> and other attributes are * present in the <code>Map</code>, the rendering system will * merge the attributes defined in the <code>Font</code> with the * additional attributes. This merging process classifies * <code>TextAttributes</code> into two groups. One group, the * 'primary' group, is considered fundamental to the selection and * metric behavior of a font. These attributes are * <code>FAMILY</code>, <code>WEIGHT</code>, <code>WIDTH</code>, * <code>POSTURE</code>, <code>SIZE</code>, * <code>TRANSFORM</code>, <code>SUPERSCRIPT</code>, and * <code>TRACKING</code>. The other group, the 'secondary' group, * consists of all other defined attributes, with the exception of * <code>FONT</code> itself. * * <p>To generate the new <code>Map</code>, first the * <code>Font</code> is obtained from the <code>FONT</code> * attribute, and <em>all</em> of its attributes extracted into a * new <code>Map</code>. Then only the <em>secondary</em> * attributes from the original <code>Map</code> are added to * those in the new <code>Map</code>. Thus the values of primary * attributes come solely from the <code>Font</code>, and the * values of secondary attributes originate with the * <code>Font</code> but can be overridden by other values in the * <code>Map</code>. * * <p><em>Note:</em><code>Font's</code> <code>Map</code>-based * constructor and <code>deriveFont</code> methods do not process * the <code>FONT</code> attribute, as these are used to create * new <code>Font</code> objects. Instead, {@link * java.awt.Font#getFont(Map) Font.getFont(Map)} should be used to * handle the <code>FONT</code> attribute. * * @see java.awt.Font */ public static final TextAttribute FONT = new TextAttribute("font"); /** * Attribute key for a user-defined glyph to display in lieu * of the font's standard glyph for a character. Values are * intances of GraphicAttribute. The default value is null, * indicating that the standard glyphs provided by the font * should be used. * * <p>This attribute is used to reserve space for a graphic or * other component embedded in a line of text. It is required for * correct positioning of 'inline' components within a line when * bidirectional reordering (see {@link java.text.Bidi}) is * performed. Each character (Unicode code point) will be * rendered using the provided GraphicAttribute. Typically, the * characters to which this attribute is applied should be * <code>\uFFFC</code>. * * <p>The GraphicAttribute determines the logical and visual * bounds of the text; the actual Font values are ignored. * * @see GraphicAttribute */ public static final TextAttribute CHAR_REPLACEMENT = new TextAttribute("char_replacement"); // // Adornments added to text. // /** * Attribute key for the paint used to render the text. Values are * instances of <b><code>Paint</code></b>. The default value is * null, indicating that the <code>Paint</code> set on the * <code>Graphics2D</code> at the time of rendering is used. * * <p>Glyphs will be rendered using this * <code>Paint</code> regardless of the <code>Paint</code> value * set on the <code>Graphics</code> (but see {@link #SWAP_COLORS}). * * @see java.awt.Paint * @see #SWAP_COLORS */ public static final TextAttribute FOREGROUND = new TextAttribute("foreground"); /** * Attribute key for the paint used to render the background of * the text. Values are instances of <b><code>Paint</code></b>. * The default value is null, indicating that the background * should not be rendered. * * <p>The logical bounds of the text will be filled using this * <code>Paint</code>, and then the text will be rendered on top * of it (but see {@link #SWAP_COLORS}). * * <p>The visual bounds of the text is extended to include the * logical bounds, if necessary. The outline is not affected. * * @see java.awt.Paint * @see #SWAP_COLORS */ public static final TextAttribute BACKGROUND = new TextAttribute("background"); /** * Attribute key for underline. Values are instances of * <b><code>Integer</code></b>. The default value is -1, which * means no underline. * * <p>The constant value {@link #UNDERLINE_ON} is provided. * * <p>The underline affects both the visual bounds and the outline * of the text. */ public static final TextAttribute UNDERLINE = new TextAttribute("underline"); /** * Standard underline. * * @see #UNDERLINE */ public static final Integer UNDERLINE_ON = Integer.valueOf(0); /** * Attribute key for strikethrough. Values are instances of * <b><code>Boolean</code></b>. The default value is * <code>false</code>, which means no strikethrough. * * <p>The constant value {@link #STRIKETHROUGH_ON} is provided. * * <p>The strikethrough affects both the visual bounds and the * outline of the text. */ public static final TextAttribute STRIKETHROUGH = new TextAttribute("strikethrough"); /** * A single strikethrough. * * @see #STRIKETHROUGH */ public static final Boolean STRIKETHROUGH_ON = Boolean.TRUE; // // Attributes use to control layout of text on a line. // /** * Attribute key for the run direction of the line. Values are * instances of <b><code>Boolean</code></b>. The default value is * null, which indicates that the standard Bidi algorithm for * determining run direction should be used with the value {@link * java.text.Bidi#DIRECTION_DEFAULT_LEFT_TO_RIGHT}. * * <p>The constants {@link #RUN_DIRECTION_RTL} and {@link * #RUN_DIRECTION_LTR} are provided. * * <p>This determines the value passed to the {@link * java.text.Bidi} constructor to select the primary direction of * the text in the paragraph. * * <p><em>Note:</em> This attribute should have the same value for * all the text in a paragraph, otherwise the behavior is * undetermined. * * @see java.text.Bidi */ public static final TextAttribute RUN_DIRECTION = new TextAttribute("run_direction"); /** * Left-to-right run direction. * @see #RUN_DIRECTION */ public static final Boolean RUN_DIRECTION_LTR = Boolean.FALSE; /** * Right-to-left run direction. * @see #RUN_DIRECTION */ public static final Boolean RUN_DIRECTION_RTL = Boolean.TRUE; /** * Attribute key for the embedding level of the text. Values are * instances of <b><code>Integer</code></b>. The default value is * <code>null</code>, indicating that the the Bidirectional * algorithm should run without explicit embeddings. * * <p>Positive values 1 through 61 are <em>embedding</em> levels, * negative values -1 through -61 are <em>override</em> levels. * The value 0 means that the base line direction is used. These * levels are passed in the embedding levels array to the {@link * java.text.Bidi} constructor. * * <p><em>Note:</em> When this attribute is present anywhere in * a paragraph, then any Unicode bidi control characters (RLO, * LRO, RLE, LRE, and PDF) in the paragraph are * disregarded, and runs of text where this attribute is not * present are treated as though it were present and had the value * 0. * * @see java.text.Bidi */ public static final TextAttribute BIDI_EMBEDDING = new TextAttribute("bidi_embedding"); /** * Attribute key for the justification of a paragraph. Values are * instances of <b><code>Number</code></b>. The default value is * 1, indicating that justification should use the full width * provided. Values are pinned to the range [0..1]. * * <p>The constants {@link #JUSTIFICATION_FULL} and {@link * #JUSTIFICATION_NONE} are provided. * * <p>Specifies the fraction of the extra space to use when * justification is requested on a <code>TextLayout</code>. For * example, if the line is 50 points wide and it is requested to * justify to 70 points, a value of 0.75 will pad to use * three-quarters of the remaining space, or 15 points, so that * the resulting line will be 65 points in length. * * <p><em>Note:</em> This should have the same value for all the * text in a paragraph, otherwise the behavior is undetermined. * * @see TextLayout#getJustifiedLayout */ public static final TextAttribute JUSTIFICATION = new TextAttribute("justification"); /** * Justify the line to the full requested width. This is the * default value for <code>JUSTIFICATION</code>. * @see #JUSTIFICATION */ public static final Float JUSTIFICATION_FULL = Float.valueOf(1.0f); /** * Do not allow the line to be justified. * @see #JUSTIFICATION */ public static final Float JUSTIFICATION_NONE = Float.valueOf(0.0f); // // For use by input method. // /** * Attribute key for input method highlight styles. * * <p>Values are instances of {@link * java.awt.im.InputMethodHighlight} or {@link * java.text.Annotation}. The default value is <code>null</code>, * which means that input method styles should not be applied * before rendering. * * <p>If adjacent runs of text with the same * <code>InputMethodHighlight</code> need to be rendered * separately, the <code>InputMethodHighlights</code> should be * wrapped in <code>Annotation</code> instances. * * <p>Input method highlights are used while text is being * composed by an input method. Text editing components should * retain them even if they generally only deal with unstyled * text, and make them available to the drawing routines. * * @see java.awt.Font * @see java.awt.im.InputMethodHighlight * @see java.text.Annotation */ public static final TextAttribute INPUT_METHOD_HIGHLIGHT = new TextAttribute("input method highlight"); /** * Attribute key for input method underlines. Values * are instances of <b><code>Integer</code></b>. The default * value is <code>-1</code>, which means no underline. * * <p>Several constant values are provided, see {@link * #UNDERLINE_LOW_ONE_PIXEL}, {@link #UNDERLINE_LOW_TWO_PIXEL}, * {@link #UNDERLINE_LOW_DOTTED}, {@link #UNDERLINE_LOW_GRAY}, and * {@link #UNDERLINE_LOW_DASHED}. * * <p>This may be used in conjunction with {@link #UNDERLINE} if * desired. The primary purpose is for use by input methods. * Other use of these underlines for simple ornamentation might * confuse users. * * <p>The input method underline affects both the visual bounds and * the outline of the text. * * @since 1.3 */ public static final TextAttribute INPUT_METHOD_UNDERLINE = new TextAttribute("input method underline"); /** * Single pixel solid low underline. * @see #INPUT_METHOD_UNDERLINE * @since 1.3 */ public static final Integer UNDERLINE_LOW_ONE_PIXEL = Integer.valueOf(1); /** * Double pixel solid low underline. * @see #INPUT_METHOD_UNDERLINE * @since 1.3 */ public static final Integer UNDERLINE_LOW_TWO_PIXEL = Integer.valueOf(2); /** * Single pixel dotted low underline. * @see #INPUT_METHOD_UNDERLINE * @since 1.3 */ public static final Integer UNDERLINE_LOW_DOTTED = Integer.valueOf(3); /** * Double pixel gray low underline. * @see #INPUT_METHOD_UNDERLINE * @since 1.3 */ public static final Integer UNDERLINE_LOW_GRAY = Integer.valueOf(4); /** * Single pixel dashed low underline. * @see #INPUT_METHOD_UNDERLINE * @since 1.3 */ public static final Integer UNDERLINE_LOW_DASHED = Integer.valueOf(5); /** * Attribute key for swapping foreground and background * <code>Paints</code>. Values are instances of * <b><code>Boolean</code></b>. The default value is * <code>false</code>, which means do not swap colors. * * <p>The constant value {@link #SWAP_COLORS_ON} is defined. * * <p>If the {@link #FOREGROUND} attribute is set, its * <code>Paint</code> will be used as the background, otherwise * the <code>Paint</code> currently on the <code>Graphics</code> * will be used. If the {@link #BACKGROUND} attribute is set, its * <code>Paint</code> will be used as the foreground, otherwise * the system will find a contrasting color to the * (resolved) background so that the text will be visible. * * @see #FOREGROUND * @see #BACKGROUND */ public static final TextAttribute SWAP_COLORS = new TextAttribute("swap_colors"); /** * Swap foreground and background. * @see #SWAP_COLORS * @since 1.3 */ public static final Boolean SWAP_COLORS_ON = Boolean.TRUE; /** * Attribute key for converting ASCII decimal digits to other * decimal ranges. Values are instances of {@link NumericShaper}. * The default is <code>null</code>, which means do not perform * numeric shaping. * * <p>When a numeric shaper is defined, the text is first * processed by the shaper before any other analysis of the text * is performed. * * <p><em>Note:</em> This should have the same value for all the * text in the paragraph, otherwise the behavior is undetermined. * * @see NumericShaper * @since 1.4 */ public static final TextAttribute NUMERIC_SHAPING = new TextAttribute("numeric_shaping"); /** * Attribute key to request kerning. Values are instances of * <b><code>Integer</code></b>. The default value is * <code>0</code>, which does not request kerning. * * <p>The constant value {@link #KERNING_ON} is provided. * * <p>The default advances of single characters are not * appropriate for some character sequences, for example "To" or * "AWAY". Without kerning the adjacent characters appear to be * separated by too much space. Kerning causes selected sequences * of characters to be spaced differently for a more pleasing * visual appearance. * * @since 1.6 */ public static final TextAttribute KERNING = new TextAttribute("kerning"); /** * Request standard kerning. * @see #KERNING * @since 1.6 */ public static final Integer KERNING_ON = Integer.valueOf(1); /** * Attribute key for enabling optional ligatures. Values are * instances of <b><code>Integer</code></b>. The default value is * <code>0</code>, which means do not use optional ligatures. * * <p>The constant value {@link #LIGATURES_ON} is defined. * * <p>Ligatures required by the writing system are always enabled. * * @since 1.6 */ public static final TextAttribute LIGATURES = new TextAttribute("ligatures"); /** * Request standard optional ligatures. * @see #LIGATURES * @since 1.6 */ public static final Integer LIGATURES_ON = Integer.valueOf(1); /** * Attribute key to control tracking. Values are instances of * <b><code>Number</code></b>. The default value is * <code>0</code>, which means no additional tracking. * * <p>The constant values {@link #TRACKING_TIGHT} and {@link * #TRACKING_LOOSE} are provided. * * <p>The tracking value is multiplied by the font point size and * passed through the font transform to determine an additional * amount to add to the advance of each glyph cluster. Positive * tracking values will inhibit formation of optional ligatures. * Tracking values are typically between <code>-0.1</code> and * <code>0.3</code>; values outside this range are generally not * desireable. * * @since 1.6 */ public static final TextAttribute TRACKING = new TextAttribute("tracking"); /** * Perform tight tracking. * @see #TRACKING * @since 1.6 */ public static final Float TRACKING_TIGHT = Float.valueOf(-.04f); /** * Perform loose tracking. * @see #TRACKING * @since 1.6 */ public static final Float TRACKING_LOOSE = Float.valueOf(.04f); }
⏎ java/awt/font/TextAttribute.java
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