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jlechner |
/* Font.java -- Font object
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Copyright (C) 1999, 2002, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import gnu.java.awt.ClasspathToolkit;
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import gnu.java.awt.peer.ClasspathFontPeer;
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import java.awt.font.FontRenderContext;
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import java.awt.font.GlyphVector;
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import java.awt.font.LineMetrics;
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import java.awt.font.TextLayout;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Rectangle2D;
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import java.awt.peer.FontPeer;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.io.Serializable;
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import java.text.AttributedCharacterIterator;
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import java.text.CharacterIterator;
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import java.text.StringCharacterIterator;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import java.util.StringTokenizer;
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/**
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* This class represents a windowing system font.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Warren Levy (warrenl@cygnus.com)
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* @author Graydon Hoare (graydon@redhat.com)
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*/
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public class Font implements Serializable
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{
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/**
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* Constant indicating a "plain" font.
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*/
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public static final int PLAIN = 0;
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/**
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* Constant indicating a "bold" font.
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*/
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public static final int BOLD = 1;
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/**
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* Constant indicating an "italic" font.
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*/
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public static final int ITALIC = 2;
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/**
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* Constant indicating the baseline mode characteristic of Roman.
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*/
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public static final int ROMAN_BASELINE = 0;
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/**
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* Constant indicating the baseline mode characteristic of Chinese.
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*/
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public static final int CENTER_BASELINE = 1;
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/**
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* Constant indicating the baseline mode characteristic of Devanigri.
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*/
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public static final int HANGING_BASELINE = 2;
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/**
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* Indicates to <code>createFont</code> that the supplied font data
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* is in TrueType format.
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*
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* <p><em>Specification Note:</em> The Sun JavaDoc for J2SE 1.4 does
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* not indicate whether this value also subsumes OpenType. OpenType
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* is essentially the same format as TrueType, but allows to define
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* glyph shapes in the same way as PostScript, using cubic bezier
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* curves.
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*
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* @since 1.3
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*/
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public static final int TRUETYPE_FONT = 0;
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/**
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* A flag for <code>layoutGlyphVector</code>, indicating that the
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* orientation of a text run is from left to right.
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*
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* @since 1.4
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*/
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public static final int LAYOUT_LEFT_TO_RIGHT = 0;
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/**
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* A flag for <code>layoutGlyphVector</code>, indicating that the
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* orientation of a text run is from right to left.
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*
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* @since 1.4
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*/
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public static final int LAYOUT_RIGHT_TO_LEFT = 1;
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/**
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* A flag for <code>layoutGlyphVector</code>, indicating that the
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* text does not contain valid characters before the
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* <code>start</code> position. If this flag is set,
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* <code>layoutGlyphVector</code> does not examine the text before
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* <code>start</code>, even if this would be necessary to select the
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* correct glyphs (e.g., for Arabic text).
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*
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* @since 1.4
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*/
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public static final int LAYOUT_NO_START_CONTEXT = 2;
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/**
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* A flag for <code>layoutGlyphVector</code>, indicating that the
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* text does not contain valid characters after the
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* <code>limit</code> position. If this flag is set,
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* <code>layoutGlyphVector</code> does not examine the text after
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* <code>limit</code>, even if this would be necessary to select the
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* correct glyphs (e.g., for Arabic text).
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*
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* @since 1.4
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*/
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public static final int LAYOUT_NO_LIMIT_CONTEXT = 4;
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/**
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* The logical name of this font.
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*
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* @since 1.0
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*/
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protected String name;
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/**
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* The size of this font in points, rounded.
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*
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* @since 1.0
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*/
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protected int size;
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/**
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* The size of this font in points.
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*
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* @since 1.0
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*/
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protected float pointSize;
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/**
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* The style of this font -- PLAIN, BOLD, ITALIC or BOLD+ITALIC.
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*
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* @since 1.0
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*/
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protected int style;
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//Serialization constant
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private static final long serialVersionUID = -4206021311591459213L;
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// The ClasspathToolkit-provided peer which implements this font
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private transient ClasspathFontPeer peer;
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/**
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* Creates a <code>Font</code> object from the specified string, which
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* is in one of the following formats:
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* <p>
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* <ul>
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* <li>fontname-style-pointsize
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* <li>fontname-style
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* <li>fontname-pointsize
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* <li>fontname
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* </ul>
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* <p>
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* The style should be one of BOLD, ITALIC, or BOLDITALIC. The default
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* style if none is specified is PLAIN. The default size if none
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* is specified is 12.
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*
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* @param fontspec a string specifying the required font (<code>null</code>
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* permitted, interpreted as 'Dialog-PLAIN-12').
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*
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* @return A font.
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*/
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public static Font decode(String fontspec)
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{
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if (fontspec == null)
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fontspec = "Dialog-PLAIN-12";
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String name = null;
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int style = PLAIN;
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int size = 12;
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StringTokenizer st = new StringTokenizer(fontspec, "- ");
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while (st.hasMoreTokens())
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{
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String token = st.nextToken();
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if (name == null)
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{
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name = token;
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continue;
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}
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if (token.toUpperCase().equals("BOLD"))
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{
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style = BOLD;
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continue;
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}
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if (token.toUpperCase().equals("ITALIC"))
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{
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style = ITALIC;
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continue;
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}
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if (token.toUpperCase().equals("BOLDITALIC"))
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{
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style = BOLD | ITALIC;
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continue;
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}
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int tokenval = 0;
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try
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{
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tokenval = Integer.parseInt(token);
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}
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catch (NumberFormatException e)
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{
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// Ignored.
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}
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if (tokenval != 0)
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size = tokenval;
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}
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HashMap attrs = new HashMap();
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ClasspathFontPeer.copyStyleToAttrs(style, attrs);
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ClasspathFontPeer.copySizeToAttrs(size, attrs);
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return getFontFromToolkit(name, attrs);
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}
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/* These methods delegate to the toolkit. */
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static ClasspathToolkit tk()
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{
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return (ClasspathToolkit) Toolkit.getDefaultToolkit();
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}
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/* Every factory method in Font should eventually call this. */
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static Font getFontFromToolkit(String name, Map attribs)
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{
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return tk().getFont(name, attribs);
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}
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/* Every Font constructor should eventually call this. */
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static ClasspathFontPeer getPeerFromToolkit(String name, Map attrs)
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{
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return tk().getClasspathFontPeer(name, attrs);
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}
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/**
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* Returns a <code>Font</code> object from the passed property name.
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*
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* @param propname The name of the system property.
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* @param defval Value to use if the property is not found.
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*
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* @return The requested font, or <code>default</code> if the property
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* not exist or is malformed.
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*/
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public static Font getFont(String propname, Font defval)
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{
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String propval = System.getProperty(propname);
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if (propval != null)
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return decode(propval);
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return defval;
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}
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/**
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* Returns a <code>Font</code> object from the passed property name.
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*
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* @param propname The name of the system property.
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*
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* @return The requested font, or <code>null</code> if the property
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* not exist or is malformed.
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*/
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public static Font getFont(String propname)
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{
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return getFont(propname, (Font) null);
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}
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/**
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* Initializes a new instance of <code>Font</code> with the specified
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* attributes.
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*
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* @param name The name of the font.
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* @param style The font style.
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* @param size The font point size.
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*/
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public Font(String name, int style, int size)
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{
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HashMap attrs = new HashMap();
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ClasspathFontPeer.copyStyleToAttrs(style, attrs);
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ClasspathFontPeer.copySizeToAttrs(size, attrs);
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this.peer = getPeerFromToolkit(name, attrs);
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this.size = size;
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this.pointSize = (float) size;
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if (name != null)
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this.name = name;
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else
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this.name = peer.getName(this);
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}
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public Font(Map attrs)
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{
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this(null, attrs);
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}
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/* This extra constructor is here to permit ClasspathToolkit and to
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build a font with a "logical name" as well as attrs.
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ClasspathToolkit.getFont(String,Map) uses reflection to call this
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package-private constructor. */
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Font(String name, Map attrs)
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{
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// If attrs is null, setting it to an empty HashMap will give this
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// Font default attributes.
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if (attrs == null)
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attrs = new HashMap();
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peer = getPeerFromToolkit(name, attrs);
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size = (int) peer.getSize(this);
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pointSize = peer.getSize(this);
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if (name != null)
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this.name = name;
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else
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this.name = peer.getName(this);
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}
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/**
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|
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* Returns the logical name of the font. A logical name is the name the
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* font was constructed with. It may be the name of a logical font (one
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* of 6 required names in all java environments) or it may be a face
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* name.
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*
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* @return The logical name of the font.
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|
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*
|
377 |
|
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* @see #getFamily()
|
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|
|
* @see #getFontName()
|
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|
|
*/
|
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|
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public String getName ()
|
381 |
|
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{
|
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return peer.getName(this);
|
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}
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384 |
|
|
|
385 |
|
|
/**
|
386 |
|
|
* Returns the size of the font, in typographics points (1/72 of an inch),
|
387 |
|
|
* rounded to an integer.
|
388 |
|
|
*
|
389 |
|
|
* @return The font size
|
390 |
|
|
*/
|
391 |
|
|
public int getSize()
|
392 |
|
|
{
|
393 |
|
|
return size;
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
/**
|
397 |
|
|
* Returns the size of the font, in typographics points (1/72 of an inch).
|
398 |
|
|
*
|
399 |
|
|
* @return The font size
|
400 |
|
|
*/
|
401 |
|
|
public float getSize2D()
|
402 |
|
|
{
|
403 |
|
|
return pointSize;
|
404 |
|
|
}
|
405 |
|
|
|
406 |
|
|
/**
|
407 |
|
|
* Tests whether or not this is a plain font. This will be true if
|
408 |
|
|
* and only if neither the bold nor the italics style is set.
|
409 |
|
|
*
|
410 |
|
|
* @return <code>true</code> if this is a plain font, <code>false</code>
|
411 |
|
|
* otherwise.
|
412 |
|
|
*/
|
413 |
|
|
public boolean isPlain()
|
414 |
|
|
{
|
415 |
|
|
return peer.isPlain(this);
|
416 |
|
|
}
|
417 |
|
|
|
418 |
|
|
/**
|
419 |
|
|
* Tests whether or not this font is bold.
|
420 |
|
|
*
|
421 |
|
|
* @return <code>true</code> if this font is bold, <code>false</code>
|
422 |
|
|
* otherwise.
|
423 |
|
|
*/
|
424 |
|
|
public boolean isBold()
|
425 |
|
|
{
|
426 |
|
|
return peer.isBold(this);
|
427 |
|
|
}
|
428 |
|
|
|
429 |
|
|
/**
|
430 |
|
|
* Tests whether or not this font is italic.
|
431 |
|
|
*
|
432 |
|
|
* @return <code>true</code> if this font is italic, <code>false</code>
|
433 |
|
|
* otherwise.
|
434 |
|
|
*/
|
435 |
|
|
public boolean isItalic()
|
436 |
|
|
{
|
437 |
|
|
return peer.isItalic(this);
|
438 |
|
|
}
|
439 |
|
|
|
440 |
|
|
/**
|
441 |
|
|
* Returns the family name of this font. A family name describes a design
|
442 |
|
|
* or "brand name" (such as Helvetica or Palatino). It is less specific
|
443 |
|
|
* than a font face name (such as Helvetica Bold).
|
444 |
|
|
*
|
445 |
|
|
* @return A string containing the font family name.
|
446 |
|
|
*
|
447 |
|
|
* @since 1.2
|
448 |
|
|
*
|
449 |
|
|
* @see #getName()
|
450 |
|
|
* @see #getFontName()
|
451 |
|
|
* @see GraphicsEnvironment#getAvailableFontFamilyNames()
|
452 |
|
|
*/
|
453 |
|
|
public String getFamily()
|
454 |
|
|
{
|
455 |
|
|
return peer.getFamily(this);
|
456 |
|
|
}
|
457 |
|
|
|
458 |
|
|
/**
|
459 |
|
|
* Returns integer code representing the sum of style flags of this font, a
|
460 |
|
|
* combination of either {@link #PLAIN}, {@link #BOLD}, or {@link #ITALIC}.
|
461 |
|
|
*
|
462 |
|
|
* @return code representing the style of this font.
|
463 |
|
|
*
|
464 |
|
|
* @see #isPlain()
|
465 |
|
|
* @see #isBold()
|
466 |
|
|
* @see #isItalic()
|
467 |
|
|
*/
|
468 |
|
|
public int getStyle()
|
469 |
|
|
{
|
470 |
|
|
return peer.getStyle(this);
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
/**
|
474 |
|
|
* Checks if specified character maps to a glyph in this font.
|
475 |
|
|
*
|
476 |
|
|
* @param c The character to check.
|
477 |
|
|
*
|
478 |
|
|
* @return Whether the character has a corresponding glyph in this font.
|
479 |
|
|
*
|
480 |
|
|
* @since 1.2
|
481 |
|
|
*/
|
482 |
|
|
public boolean canDisplay(char c)
|
483 |
|
|
{
|
484 |
|
|
return peer.canDisplay(this, c);
|
485 |
|
|
}
|
486 |
|
|
|
487 |
|
|
/**
|
488 |
|
|
* Checks how much of a given string can be mapped to glyphs in
|
489 |
|
|
* this font.
|
490 |
|
|
*
|
491 |
|
|
* @param s The string to check.
|
492 |
|
|
*
|
493 |
|
|
* @return The index of the first character in <code>s</code> which cannot
|
494 |
|
|
* be converted to a glyph by this font, or <code>-1</code> if all
|
495 |
|
|
* characters can be mapped to glyphs.
|
496 |
|
|
*
|
497 |
|
|
* @since 1.2
|
498 |
|
|
*/
|
499 |
|
|
public int canDisplayUpTo(String s)
|
500 |
|
|
{
|
501 |
|
|
return peer.canDisplayUpTo(this, new StringCharacterIterator(s),
|
502 |
|
|
0, s.length() - 1);
|
503 |
|
|
}
|
504 |
|
|
|
505 |
|
|
/**
|
506 |
|
|
* Checks how much of a given sequence of text can be mapped to glyphs in
|
507 |
|
|
* this font.
|
508 |
|
|
*
|
509 |
|
|
* @param text Array containing the text to check.
|
510 |
|
|
* @param start Position of first character to check in <code>text</code>.
|
511 |
|
|
* @param limit Position of last character to check in <code>text</code>.
|
512 |
|
|
*
|
513 |
|
|
* @return The index of the first character in the indicated range which
|
514 |
|
|
* cannot be converted to a glyph by this font, or <code>-1</code> if all
|
515 |
|
|
* characters can be mapped to glyphs.
|
516 |
|
|
*
|
517 |
|
|
* @since 1.2
|
518 |
|
|
*
|
519 |
|
|
* @throws IndexOutOfBoundsException if the range [start, limit] is
|
520 |
|
|
* invalid in <code>text</code>.
|
521 |
|
|
*/
|
522 |
|
|
public int canDisplayUpTo (char[] text, int start, int limit)
|
523 |
|
|
{
|
524 |
|
|
return peer.canDisplayUpTo(this,
|
525 |
|
|
new StringCharacterIterator(new String (text)),
|
526 |
|
|
start, limit);
|
527 |
|
|
}
|
528 |
|
|
|
529 |
|
|
/**
|
530 |
|
|
* Checks how much of a given sequence of text can be mapped to glyphs in
|
531 |
|
|
* this font.
|
532 |
|
|
*
|
533 |
|
|
* @param i Iterator over the text to check.
|
534 |
|
|
* @param start Position of first character to check in <code>i</code>.
|
535 |
|
|
* @param limit Position of last character to check in <code>i</code>.
|
536 |
|
|
*
|
537 |
|
|
* @return The index of the first character in the indicated range which
|
538 |
|
|
* cannot be converted to a glyph by this font, or <code>-1</code> if all
|
539 |
|
|
* characters can be mapped to glyphs.
|
540 |
|
|
*
|
541 |
|
|
* @since 1.2
|
542 |
|
|
*
|
543 |
|
|
* @throws IndexOutOfBoundsException if the range [start, limit] is
|
544 |
|
|
* invalid in <code>i</code>.
|
545 |
|
|
*/
|
546 |
|
|
public int canDisplayUpTo(CharacterIterator i, int start, int limit)
|
547 |
|
|
{
|
548 |
|
|
return peer.canDisplayUpTo(this, i, start, limit);
|
549 |
|
|
}
|
550 |
|
|
|
551 |
|
|
/**
|
552 |
|
|
* Creates a new font with point size 1 and {@link #PLAIN} style,
|
553 |
|
|
* reading font data from the provided input stream. The resulting font
|
554 |
|
|
* can have further fonts derived from it using its
|
555 |
|
|
* <code>deriveFont</code> method.
|
556 |
|
|
*
|
557 |
|
|
* @param fontFormat Integer code indicating the format the font data is
|
558 |
|
|
* in.Currently this can only be {@link #TRUETYPE_FONT}.
|
559 |
|
|
* @param is {@link InputStream} from which font data will be read. This
|
560 |
|
|
* stream is not closed after font data is extracted.
|
561 |
|
|
*
|
562 |
|
|
* @return A new {@link Font} of the format indicated.
|
563 |
|
|
*
|
564 |
|
|
* @throws IllegalArgumentException if <code>fontType</code> is not
|
565 |
|
|
* recognized.
|
566 |
|
|
* @throws FontFormatException if data in InputStream is not of format
|
567 |
|
|
* indicated.
|
568 |
|
|
* @throws IOException if insufficient data is present on InputStream.
|
569 |
|
|
*
|
570 |
|
|
* @since 1.3
|
571 |
|
|
*/
|
572 |
|
|
public static Font createFont (int fontFormat, InputStream is)
|
573 |
|
|
throws FontFormatException, IOException
|
574 |
|
|
{
|
575 |
|
|
return tk().createFont(fontFormat, is);
|
576 |
|
|
}
|
577 |
|
|
|
578 |
|
|
/**
|
579 |
|
|
* Maps characters to glyphs in a one-to-one relationship, returning a new
|
580 |
|
|
* {@link GlyphVector} with a mapped glyph for each input character. This
|
581 |
|
|
* sort of mapping is often sufficient for some scripts such as Roman, but
|
582 |
|
|
* is inappropriate for scripts with special shaping or contextual layout
|
583 |
|
|
* requirements such as Arabic, Indic, Hebrew or Thai.
|
584 |
|
|
*
|
585 |
|
|
* @param ctx The rendering context used for precise glyph placement.
|
586 |
|
|
* @param str The string to convert to Glyphs.
|
587 |
|
|
*
|
588 |
|
|
* @return A new {@link GlyphVector} containing glyphs mapped from str,
|
589 |
|
|
* through the font's cmap table.
|
590 |
|
|
*
|
591 |
|
|
* @see #layoutGlyphVector(FontRenderContext, char[], int, int, int)
|
592 |
|
|
*/
|
593 |
|
|
public GlyphVector createGlyphVector(FontRenderContext ctx, String str)
|
594 |
|
|
{
|
595 |
|
|
return peer.createGlyphVector(this, ctx, new StringCharacterIterator(str));
|
596 |
|
|
}
|
597 |
|
|
|
598 |
|
|
/**
|
599 |
|
|
* Maps characters to glyphs in a one-to-one relationship, returning a new
|
600 |
|
|
* {@link GlyphVector} with a mapped glyph for each input character. This
|
601 |
|
|
* sort of mapping is often sufficient for some scripts such as Roman, but
|
602 |
|
|
* is inappropriate for scripts with special shaping or contextual layout
|
603 |
|
|
* requirements such as Arabic, Indic, Hebrew or Thai.
|
604 |
|
|
*
|
605 |
|
|
* @param ctx The rendering context used for precise glyph placement.
|
606 |
|
|
* @param i Iterator over the text to convert to glyphs.
|
607 |
|
|
*
|
608 |
|
|
* @return A new {@link GlyphVector} containing glyphs mapped from str,
|
609 |
|
|
* through the font's cmap table.
|
610 |
|
|
*
|
611 |
|
|
* @see #layoutGlyphVector(FontRenderContext, char[], int, int, int)
|
612 |
|
|
*/
|
613 |
|
|
public GlyphVector createGlyphVector(FontRenderContext ctx,
|
614 |
|
|
CharacterIterator i)
|
615 |
|
|
{
|
616 |
|
|
return peer.createGlyphVector(this, ctx, i);
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
/**
|
620 |
|
|
* Maps characters to glyphs in a one-to-one relationship, returning a new
|
621 |
|
|
* {@link GlyphVector} with a mapped glyph for each input character. This
|
622 |
|
|
* sort of mapping is often sufficient for some scripts such as Roman, but
|
623 |
|
|
* is inappropriate for scripts with special shaping or contextual layout
|
624 |
|
|
* requirements such as Arabic, Indic, Hebrew or Thai.
|
625 |
|
|
*
|
626 |
|
|
* @param ctx The rendering context used for precise glyph placement.
|
627 |
|
|
* @param chars Array of characters to convert to glyphs.
|
628 |
|
|
*
|
629 |
|
|
* @return A new {@link GlyphVector} containing glyphs mapped from str,
|
630 |
|
|
* through the font's cmap table.
|
631 |
|
|
*
|
632 |
|
|
* @see #layoutGlyphVector(FontRenderContext, char[], int, int, int)
|
633 |
|
|
*/
|
634 |
|
|
public GlyphVector createGlyphVector(FontRenderContext ctx, char[] chars)
|
635 |
|
|
{
|
636 |
|
|
return peer.createGlyphVector(this, ctx,
|
637 |
|
|
new StringCharacterIterator(new String(chars)));
|
638 |
|
|
}
|
639 |
|
|
|
640 |
|
|
/**
|
641 |
|
|
* Extracts a sequence of glyphs from a font, returning a new {@link
|
642 |
|
|
* GlyphVector} with a mapped glyph for each input glyph code.
|
643 |
|
|
*
|
644 |
|
|
* @param ctx The rendering context used for precise glyph placement.
|
645 |
|
|
* @param glyphCodes Array of characters to convert to glyphs.
|
646 |
|
|
*
|
647 |
|
|
* @return A new {@link GlyphVector} containing glyphs mapped from str,
|
648 |
|
|
* through the font's cmap table.
|
649 |
|
|
*
|
650 |
|
|
* @see #layoutGlyphVector(FontRenderContext, char[], int, int, int)
|
651 |
|
|
*
|
652 |
|
|
* @specnote This method is documented to perform character-to-glyph
|
653 |
|
|
* conversions, in the Sun documentation, but its second parameter name is
|
654 |
|
|
* "glyphCodes" and it is not clear to me why it would exist if its
|
655 |
|
|
* purpose was to transport character codes inside integers. I assume it
|
656 |
|
|
* is mis-documented in the Sun documentation.
|
657 |
|
|
*/
|
658 |
|
|
public GlyphVector createGlyphVector(FontRenderContext ctx, int[] glyphCodes)
|
659 |
|
|
{
|
660 |
|
|
return peer.createGlyphVector(this, ctx, glyphCodes);
|
661 |
|
|
}
|
662 |
|
|
|
663 |
|
|
/**
|
664 |
|
|
* Produces a new {@link Font} based on the current font, adjusted to a
|
665 |
|
|
* new size and style.
|
666 |
|
|
*
|
667 |
|
|
* @param style The style of the newly created font.
|
668 |
|
|
* @param size The size of the newly created font.
|
669 |
|
|
*
|
670 |
|
|
* @return A clone of the current font, with the specified size and style.
|
671 |
|
|
*
|
672 |
|
|
* @since 1.2
|
673 |
|
|
*/
|
674 |
|
|
public Font deriveFont(int style, float size)
|
675 |
|
|
{
|
676 |
|
|
return peer.deriveFont(this, style, size);
|
677 |
|
|
}
|
678 |
|
|
|
679 |
|
|
/**
|
680 |
|
|
* Produces a new {@link Font} based on the current font, adjusted to a
|
681 |
|
|
* new size.
|
682 |
|
|
*
|
683 |
|
|
* @param size The size of the newly created font.
|
684 |
|
|
*
|
685 |
|
|
* @return A clone of the current font, with the specified size.
|
686 |
|
|
*
|
687 |
|
|
* @since 1.2
|
688 |
|
|
*/
|
689 |
|
|
public Font deriveFont(float size)
|
690 |
|
|
{
|
691 |
|
|
return peer.deriveFont(this, size);
|
692 |
|
|
}
|
693 |
|
|
|
694 |
|
|
/**
|
695 |
|
|
* Produces a new {@link Font} based on the current font, adjusted to a
|
696 |
|
|
* new style.
|
697 |
|
|
*
|
698 |
|
|
* @param style The style of the newly created font.
|
699 |
|
|
*
|
700 |
|
|
* @return A clone of the current font, with the specified style.
|
701 |
|
|
*
|
702 |
|
|
* @since 1.2
|
703 |
|
|
*/
|
704 |
|
|
public Font deriveFont(int style)
|
705 |
|
|
{
|
706 |
|
|
return peer.deriveFont(this, style);
|
707 |
|
|
}
|
708 |
|
|
|
709 |
|
|
/**
|
710 |
|
|
* Produces a new {@link Font} based on the current font, adjusted to a
|
711 |
|
|
* new style and subjected to a new affine transformation.
|
712 |
|
|
*
|
713 |
|
|
* @param style The style of the newly created font.
|
714 |
|
|
* @param a The transformation to apply.
|
715 |
|
|
*
|
716 |
|
|
* @return A clone of the current font, with the specified style and
|
717 |
|
|
* transform.
|
718 |
|
|
*
|
719 |
|
|
* @throws IllegalArgumentException If transformation is
|
720 |
|
|
* <code>null</code>.
|
721 |
|
|
*
|
722 |
|
|
* @since 1.2
|
723 |
|
|
*/
|
724 |
|
|
public Font deriveFont(int style, AffineTransform a)
|
725 |
|
|
{
|
726 |
|
|
if (a == null)
|
727 |
|
|
throw new IllegalArgumentException("Affine transformation is null");
|
728 |
|
|
|
729 |
|
|
return peer.deriveFont(this, style, a);
|
730 |
|
|
}
|
731 |
|
|
|
732 |
|
|
/**
|
733 |
|
|
* Produces a new {@link Font} based on the current font, subjected
|
734 |
|
|
* to a new affine transformation.
|
735 |
|
|
*
|
736 |
|
|
* @param a The transformation to apply.
|
737 |
|
|
*
|
738 |
|
|
* @return A clone of the current font, with the specified transform.
|
739 |
|
|
*
|
740 |
|
|
* @throws IllegalArgumentException If transformation is
|
741 |
|
|
* <code>null</code>.
|
742 |
|
|
*
|
743 |
|
|
* @since 1.2
|
744 |
|
|
*/
|
745 |
|
|
public Font deriveFont(AffineTransform a)
|
746 |
|
|
{
|
747 |
|
|
if (a == null)
|
748 |
|
|
throw new IllegalArgumentException("Affine transformation is null");
|
749 |
|
|
|
750 |
|
|
return peer.deriveFont(this, a);
|
751 |
|
|
}
|
752 |
|
|
|
753 |
|
|
/**
|
754 |
|
|
* Produces a new {@link Font} based on the current font, adjusted to a
|
755 |
|
|
* new set of attributes.
|
756 |
|
|
*
|
757 |
|
|
* @param attributes Attributes of the newly created font.
|
758 |
|
|
*
|
759 |
|
|
* @return A clone of the current font, with the specified attributes.
|
760 |
|
|
*
|
761 |
|
|
* @since 1.2
|
762 |
|
|
*/
|
763 |
|
|
public Font deriveFont(Map attributes)
|
764 |
|
|
{
|
765 |
|
|
return peer.deriveFont(this, attributes);
|
766 |
|
|
}
|
767 |
|
|
|
768 |
|
|
/**
|
769 |
|
|
* Returns a map of chracter attributes which this font currently has set.
|
770 |
|
|
*
|
771 |
|
|
* @return A map of chracter attributes which this font currently has set.
|
772 |
|
|
*
|
773 |
|
|
* @see #getAvailableAttributes()
|
774 |
|
|
* @see java.text.AttributedCharacterIterator.Attribute
|
775 |
|
|
* @see java.awt.font.TextAttribute
|
776 |
|
|
*/
|
777 |
|
|
public Map getAttributes()
|
778 |
|
|
{
|
779 |
|
|
return peer.getAttributes(this);
|
780 |
|
|
}
|
781 |
|
|
|
782 |
|
|
/**
|
783 |
|
|
* Returns an array of chracter attribute keys which this font understands.
|
784 |
|
|
*
|
785 |
|
|
* @return An array of chracter attribute keys which this font understands.
|
786 |
|
|
*
|
787 |
|
|
* @see #getAttributes()
|
788 |
|
|
* @see java.text.AttributedCharacterIterator.Attribute
|
789 |
|
|
* @see java.awt.font.TextAttribute
|
790 |
|
|
*/
|
791 |
|
|
public AttributedCharacterIterator.Attribute[] getAvailableAttributes()
|
792 |
|
|
{
|
793 |
|
|
return peer.getAvailableAttributes(this);
|
794 |
|
|
}
|
795 |
|
|
|
796 |
|
|
/**
|
797 |
|
|
* Returns a baseline code (one of {@link #ROMAN_BASELINE}, {@link
|
798 |
|
|
* #CENTER_BASELINE} or {@link #HANGING_BASELINE}) indicating which baseline
|
799 |
|
|
* this font will measure baseline offsets for, when presenting glyph
|
800 |
|
|
* metrics for a given character.
|
801 |
|
|
*
|
802 |
|
|
* Baseline offsets describe the position of a glyph relative to an
|
803 |
|
|
* invisible line drawn under, through the center of, or over a line of
|
804 |
|
|
* rendered text, respectively. Different scripts use different baseline
|
805 |
|
|
* modes, so clients should not assume all baseline offsets in a glyph
|
806 |
|
|
* vector are from a common baseline.
|
807 |
|
|
*
|
808 |
|
|
* @param c The character code to select a baseline mode for.
|
809 |
|
|
*
|
810 |
|
|
* @return The baseline mode which would be used in a glyph associated
|
811 |
|
|
* with the provided character.
|
812 |
|
|
*
|
813 |
|
|
* @since 1.2
|
814 |
|
|
*
|
815 |
|
|
* @see LineMetrics#getBaselineOffsets()
|
816 |
|
|
*/
|
817 |
|
|
public byte getBaselineFor(char c)
|
818 |
|
|
{
|
819 |
|
|
return peer.getBaselineFor(this, c);
|
820 |
|
|
}
|
821 |
|
|
|
822 |
|
|
/**
|
823 |
|
|
* Returns the family name of this font. A family name describes a
|
824 |
|
|
* typographic style (such as Helvetica or Palatino). It is more specific
|
825 |
|
|
* than a logical font name (such as Sans Serif) but less specific than a
|
826 |
|
|
* font face name (such as Helvetica Bold).
|
827 |
|
|
*
|
828 |
|
|
* @param lc The locale in which to describe the name of the font family.
|
829 |
|
|
*
|
830 |
|
|
* @return A string containing the font family name, localized for the
|
831 |
|
|
* provided locale.
|
832 |
|
|
*
|
833 |
|
|
* @since 1.2
|
834 |
|
|
*
|
835 |
|
|
* @see #getName()
|
836 |
|
|
* @see #getFontName()
|
837 |
|
|
* @see GraphicsEnvironment#getAvailableFontFamilyNames()
|
838 |
|
|
* @see Locale
|
839 |
|
|
*/
|
840 |
|
|
public String getFamily(Locale lc)
|
841 |
|
|
{
|
842 |
|
|
return peer.getFamily(this, lc);
|
843 |
|
|
}
|
844 |
|
|
|
845 |
|
|
/**
|
846 |
|
|
* Returns a font appropriate for the given attribute set.
|
847 |
|
|
*
|
848 |
|
|
* @param attributes The attributes required for the new font.
|
849 |
|
|
*
|
850 |
|
|
* @return A new Font with the given attributes.
|
851 |
|
|
*
|
852 |
|
|
* @since 1.2
|
853 |
|
|
*
|
854 |
|
|
* @see java.awt.font.TextAttribute
|
855 |
|
|
*/
|
856 |
|
|
public static Font getFont(Map attributes)
|
857 |
|
|
{
|
858 |
|
|
return getFontFromToolkit(null, attributes);
|
859 |
|
|
}
|
860 |
|
|
|
861 |
|
|
/**
|
862 |
|
|
* Returns the font face name of the font. A font face name describes a
|
863 |
|
|
* specific variant of a font family (such as Helvetica Bold). It is more
|
864 |
|
|
* specific than both a font family name (such as Helvetica) and a logical
|
865 |
|
|
* font name (such as Sans Serif).
|
866 |
|
|
*
|
867 |
|
|
* @return The font face name of the font.
|
868 |
|
|
*
|
869 |
|
|
* @since 1.2
|
870 |
|
|
*
|
871 |
|
|
* @see #getName()
|
872 |
|
|
* @see #getFamily()
|
873 |
|
|
*/
|
874 |
|
|
public String getFontName()
|
875 |
|
|
{
|
876 |
|
|
return peer.getFontName(this);
|
877 |
|
|
}
|
878 |
|
|
|
879 |
|
|
/**
|
880 |
|
|
* Returns the font face name of the font. A font face name describes a
|
881 |
|
|
* specific variant of a font family (such as Helvetica Bold). It is more
|
882 |
|
|
* specific than both a font family name (such as Helvetica).
|
883 |
|
|
*
|
884 |
|
|
* @param lc The locale in which to describe the name of the font face.
|
885 |
|
|
*
|
886 |
|
|
* @return A string containing the font face name, localized for the
|
887 |
|
|
* provided locale.
|
888 |
|
|
*
|
889 |
|
|
* @since 1.2
|
890 |
|
|
*
|
891 |
|
|
* @see #getName()
|
892 |
|
|
* @see #getFamily()
|
893 |
|
|
*/
|
894 |
|
|
public String getFontName(Locale lc)
|
895 |
|
|
{
|
896 |
|
|
return peer.getFontName(this, lc);
|
897 |
|
|
}
|
898 |
|
|
|
899 |
|
|
/**
|
900 |
|
|
* Returns the italic angle of this font, a measurement of its slant when
|
901 |
|
|
* style is {@link #ITALIC}. The precise meaning is the inverse slope of a
|
902 |
|
|
* caret line which "best measures" the font's italic posture.
|
903 |
|
|
*
|
904 |
|
|
* @return The italic angle.
|
905 |
|
|
*
|
906 |
|
|
* @see java.awt.font.TextAttribute#POSTURE
|
907 |
|
|
*/
|
908 |
|
|
public float getItalicAngle()
|
909 |
|
|
{
|
910 |
|
|
return peer.getItalicAngle(this);
|
911 |
|
|
}
|
912 |
|
|
|
913 |
|
|
/**
|
914 |
|
|
* Returns a {@link LineMetrics} object constructed with the specified
|
915 |
|
|
* text and {@link FontRenderContext}.
|
916 |
|
|
*
|
917 |
|
|
* @param text The string to calculate metrics from.
|
918 |
|
|
* @param begin Index of first character in <code>text</code> to measure.
|
919 |
|
|
* @param limit Index of last character in <code>text</code> to measure.
|
920 |
|
|
* @param rc Context for calculating precise glyph placement and hints.
|
921 |
|
|
*
|
922 |
|
|
* @return A new {@link LineMetrics} object.
|
923 |
|
|
*
|
924 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
925 |
|
|
* invalid in <code>text</code>.
|
926 |
|
|
*/
|
927 |
|
|
public LineMetrics getLineMetrics(String text, int begin,
|
928 |
|
|
int limit, FontRenderContext rc)
|
929 |
|
|
{
|
930 |
|
|
return peer.getLineMetrics(this, new StringCharacterIterator(text),
|
931 |
|
|
begin, limit, rc);
|
932 |
|
|
}
|
933 |
|
|
|
934 |
|
|
/**
|
935 |
|
|
* Returns a {@link LineMetrics} object constructed with the specified
|
936 |
|
|
* text and {@link FontRenderContext}.
|
937 |
|
|
*
|
938 |
|
|
* @param chars The string to calculate metrics from.
|
939 |
|
|
* @param begin Index of first character in <code>text</code> to measure.
|
940 |
|
|
* @param limit Index of last character in <code>text</code> to measure.
|
941 |
|
|
* @param rc Context for calculating precise glyph placement and hints.
|
942 |
|
|
*
|
943 |
|
|
* @return A new {@link LineMetrics} object.
|
944 |
|
|
*
|
945 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
946 |
|
|
* invalid in <code>chars</code>.
|
947 |
|
|
*/
|
948 |
|
|
public LineMetrics getLineMetrics(char[] chars, int begin,
|
949 |
|
|
int limit, FontRenderContext rc)
|
950 |
|
|
{
|
951 |
|
|
return peer.getLineMetrics(this,
|
952 |
|
|
new StringCharacterIterator(new String(chars)),
|
953 |
|
|
begin, limit, rc);
|
954 |
|
|
}
|
955 |
|
|
|
956 |
|
|
/**
|
957 |
|
|
* Returns a {@link LineMetrics} object constructed with the specified
|
958 |
|
|
* text and {@link FontRenderContext}.
|
959 |
|
|
*
|
960 |
|
|
* @param ci The string to calculate metrics from.
|
961 |
|
|
* @param begin Index of first character in <code>text</code> to measure.
|
962 |
|
|
* @param limit Index of last character in <code>text</code> to measure.
|
963 |
|
|
* @param rc Context for calculating precise glyph placement and hints.
|
964 |
|
|
*
|
965 |
|
|
* @return A new {@link LineMetrics} object.
|
966 |
|
|
*
|
967 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
968 |
|
|
* invalid in <code>ci</code>.
|
969 |
|
|
*/
|
970 |
|
|
public LineMetrics getLineMetrics(CharacterIterator ci, int begin,
|
971 |
|
|
int limit, FontRenderContext rc)
|
972 |
|
|
{
|
973 |
|
|
return peer.getLineMetrics(this, ci, begin, limit, rc);
|
974 |
|
|
}
|
975 |
|
|
|
976 |
|
|
/**
|
977 |
|
|
* Returns the maximal bounding box of all the bounding boxes in this
|
978 |
|
|
* font, when the font's bounding boxes are evaluated in a given {@link
|
979 |
|
|
* FontRenderContext}
|
980 |
|
|
*
|
981 |
|
|
* @param rc Context in which to evaluate bounding boxes.
|
982 |
|
|
*
|
983 |
|
|
* @return The maximal bounding box.
|
984 |
|
|
*/
|
985 |
|
|
public Rectangle2D getMaxCharBounds(FontRenderContext rc)
|
986 |
|
|
{
|
987 |
|
|
return peer.getMaxCharBounds(this, rc);
|
988 |
|
|
}
|
989 |
|
|
|
990 |
|
|
/**
|
991 |
|
|
* Returns the glyph code this font uses to represent missing glyphs. This
|
992 |
|
|
* code will be present in glyph vectors when the font was unable to
|
993 |
|
|
* locate a glyph to represent a particular character code.
|
994 |
|
|
*
|
995 |
|
|
* @return The missing glyph code.
|
996 |
|
|
*
|
997 |
|
|
* @since 1.2
|
998 |
|
|
*/
|
999 |
|
|
public int getMissingGlyphCode()
|
1000 |
|
|
{
|
1001 |
|
|
return peer.getMissingGlyphCode(this);
|
1002 |
|
|
}
|
1003 |
|
|
|
1004 |
|
|
/**
|
1005 |
|
|
* Returns the overall number of glyphs in this font. This number is one
|
1006 |
|
|
* more than the greatest glyph code used in any glyph vectors this font
|
1007 |
|
|
* produces. In other words, glyph codes are taken from the range
|
1008 |
|
|
* <code>[ 0, getNumGlyphs() - 1 ]</code>.
|
1009 |
|
|
*
|
1010 |
|
|
* @return The number of glyphs in this font.
|
1011 |
|
|
*
|
1012 |
|
|
* @since 1.2
|
1013 |
|
|
*/
|
1014 |
|
|
public int getNumGlyphs()
|
1015 |
|
|
{
|
1016 |
|
|
return peer.getMissingGlyphCode(this);
|
1017 |
|
|
}
|
1018 |
|
|
|
1019 |
|
|
/**
|
1020 |
|
|
* Returns the PostScript Name of this font.
|
1021 |
|
|
*
|
1022 |
|
|
* @return The PostScript Name of this font.
|
1023 |
|
|
*
|
1024 |
|
|
* @since 1.2
|
1025 |
|
|
*
|
1026 |
|
|
* @see #getName()
|
1027 |
|
|
* @see #getFamily()
|
1028 |
|
|
* @see #getFontName()
|
1029 |
|
|
*/
|
1030 |
|
|
public String getPSName()
|
1031 |
|
|
{
|
1032 |
|
|
return peer.getPostScriptName(this);
|
1033 |
|
|
}
|
1034 |
|
|
|
1035 |
|
|
/**
|
1036 |
|
|
* Returns the logical bounds of the specified string when rendered with this
|
1037 |
|
|
* font in the specified {@link FontRenderContext}. This box will include the
|
1038 |
|
|
* glyph origin, ascent, advance, height, and leading, but may not include all
|
1039 |
|
|
* diacritics or accents. To get the complete visual bounding box of all the
|
1040 |
|
|
* glyphs in a run of text, use the {@link TextLayout#getBounds} method of
|
1041 |
|
|
* {@link TextLayout}.
|
1042 |
|
|
*
|
1043 |
|
|
* @param str The string to measure.
|
1044 |
|
|
* @param frc The context in which to make the precise glyph measurements.
|
1045 |
|
|
*
|
1046 |
|
|
* @return A bounding box covering the logical bounds of the specified text.
|
1047 |
|
|
*
|
1048 |
|
|
* @see #createGlyphVector(FontRenderContext, String)
|
1049 |
|
|
*/
|
1050 |
|
|
public Rectangle2D getStringBounds(String str, FontRenderContext frc)
|
1051 |
|
|
{
|
1052 |
|
|
return getStringBounds(str, 0, str.length() - 1, frc);
|
1053 |
|
|
}
|
1054 |
|
|
|
1055 |
|
|
/**
|
1056 |
|
|
* Returns the logical bounds of the specified string when rendered with this
|
1057 |
|
|
* font in the specified {@link FontRenderContext}. This box will include the
|
1058 |
|
|
* glyph origin, ascent, advance, height, and leading, but may not include all
|
1059 |
|
|
* diacritics or accents. To get the complete visual bounding box of all the
|
1060 |
|
|
* glyphs in a run of text, use the {@link TextLayout#getBounds} method of
|
1061 |
|
|
* {@link TextLayout}.
|
1062 |
|
|
*
|
1063 |
|
|
* @param str The string to measure.
|
1064 |
|
|
* @param begin Index of the first character in <code>str</code> to measure.
|
1065 |
|
|
* @param limit Index of the last character in <code>str</code> to measure.
|
1066 |
|
|
* @param frc The context in which to make the precise glyph measurements.
|
1067 |
|
|
*
|
1068 |
|
|
* @return A bounding box covering the logical bounds of the specified text.
|
1069 |
|
|
*
|
1070 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
1071 |
|
|
* invalid in <code>str</code>.
|
1072 |
|
|
*
|
1073 |
|
|
* @since 1.2
|
1074 |
|
|
*
|
1075 |
|
|
* @see #createGlyphVector(FontRenderContext, String)
|
1076 |
|
|
*/
|
1077 |
|
|
public Rectangle2D getStringBounds(String str, int begin,
|
1078 |
|
|
int limit, FontRenderContext frc)
|
1079 |
|
|
{
|
1080 |
|
|
return peer.getStringBounds(this, new StringCharacterIterator(str), begin,
|
1081 |
|
|
limit, frc);
|
1082 |
|
|
}
|
1083 |
|
|
|
1084 |
|
|
/**
|
1085 |
|
|
* Returns the logical bounds of the specified string when rendered with this
|
1086 |
|
|
* font in the specified {@link FontRenderContext}. This box will include the
|
1087 |
|
|
* glyph origin, ascent, advance, height, and leading, but may not include all
|
1088 |
|
|
* diacritics or accents. To get the complete visual bounding box of all the
|
1089 |
|
|
* glyphs in a run of text, use the {@link TextLayout#getBounds} method of
|
1090 |
|
|
* {@link TextLayout}.
|
1091 |
|
|
*
|
1092 |
|
|
* @param ci The text to measure.
|
1093 |
|
|
* @param begin Index of the first character in <code>ci</code> to measure.
|
1094 |
|
|
* @param limit Index of the last character in <code>ci</code> to measure.
|
1095 |
|
|
* @param frc The context in which to make the precise glyph measurements.
|
1096 |
|
|
*
|
1097 |
|
|
* @return A bounding box covering the logical bounds of the specified text.
|
1098 |
|
|
*
|
1099 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
1100 |
|
|
* invalid in <code>ci</code>.
|
1101 |
|
|
*
|
1102 |
|
|
* @since 1.2
|
1103 |
|
|
*
|
1104 |
|
|
* @see #createGlyphVector(FontRenderContext, CharacterIterator)
|
1105 |
|
|
*/
|
1106 |
|
|
public Rectangle2D getStringBounds(CharacterIterator ci, int begin,
|
1107 |
|
|
int limit, FontRenderContext frc)
|
1108 |
|
|
{
|
1109 |
|
|
return peer.getStringBounds(this, ci, begin, limit, frc);
|
1110 |
|
|
}
|
1111 |
|
|
|
1112 |
|
|
/**
|
1113 |
|
|
* Returns the logical bounds of the specified string when rendered with this
|
1114 |
|
|
* font in the specified {@link FontRenderContext}. This box will include the
|
1115 |
|
|
* glyph origin, ascent, advance, height, and leading, but may not include all
|
1116 |
|
|
* diacritics or accents. To get the complete visual bounding box of all the
|
1117 |
|
|
* glyphs in a run of text, use the {@link TextLayout#getBounds} method of
|
1118 |
|
|
* {@link TextLayout}.
|
1119 |
|
|
*
|
1120 |
|
|
* @param chars The text to measure.
|
1121 |
|
|
* @param begin Index of the first character in <code>ci</code> to measure.
|
1122 |
|
|
* @param limit Index of the last character in <code>ci</code> to measure.
|
1123 |
|
|
* @param frc The context in which to make the precise glyph measurements.
|
1124 |
|
|
*
|
1125 |
|
|
* @return A bounding box covering the logical bounds of the specified text.
|
1126 |
|
|
*
|
1127 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
1128 |
|
|
* invalid in <code>chars</code>.
|
1129 |
|
|
*
|
1130 |
|
|
* @since 1.2
|
1131 |
|
|
*
|
1132 |
|
|
* @see #createGlyphVector(FontRenderContext, char[])
|
1133 |
|
|
*/
|
1134 |
|
|
public Rectangle2D getStringBounds(char[] chars, int begin,
|
1135 |
|
|
int limit, FontRenderContext frc)
|
1136 |
|
|
{
|
1137 |
|
|
return peer.getStringBounds(this,
|
1138 |
|
|
new StringCharacterIterator(new String(chars)),
|
1139 |
|
|
begin, limit, frc);
|
1140 |
|
|
}
|
1141 |
|
|
|
1142 |
|
|
/**
|
1143 |
|
|
* Returns a copy of the affine transformation this font is currently
|
1144 |
|
|
* subject to, if any.
|
1145 |
|
|
*
|
1146 |
|
|
* @return The current transformation.
|
1147 |
|
|
*/
|
1148 |
|
|
public AffineTransform getTransform()
|
1149 |
|
|
{
|
1150 |
|
|
return peer.getTransform(this);
|
1151 |
|
|
}
|
1152 |
|
|
|
1153 |
|
|
/**
|
1154 |
|
|
* Indicates whether this font's line metrics are uniform. A font may be
|
1155 |
|
|
* composed of several "subfonts", each covering a different code range,
|
1156 |
|
|
* and each with their own line metrics. A font with no subfonts, or
|
1157 |
|
|
* subfonts with identical line metrics, is said to have "uniform" line
|
1158 |
|
|
* metrics.
|
1159 |
|
|
*
|
1160 |
|
|
* @return Whether this font has uniform line metrics.
|
1161 |
|
|
*
|
1162 |
|
|
* @see LineMetrics
|
1163 |
|
|
* @see #getLineMetrics(String, FontRenderContext)
|
1164 |
|
|
*/
|
1165 |
|
|
public boolean hasUniformLineMetrics()
|
1166 |
|
|
{
|
1167 |
|
|
return peer.hasUniformLineMetrics(this);
|
1168 |
|
|
}
|
1169 |
|
|
|
1170 |
|
|
/**
|
1171 |
|
|
* Indicates whether this font is subject to a non-identity affine
|
1172 |
|
|
* transformation.
|
1173 |
|
|
*
|
1174 |
|
|
* @return <code>true</code> iff the font has a non-identity affine
|
1175 |
|
|
* transformation applied to it.
|
1176 |
|
|
*/
|
1177 |
|
|
public boolean isTransformed()
|
1178 |
|
|
{
|
1179 |
|
|
return peer.isTransformed(this);
|
1180 |
|
|
}
|
1181 |
|
|
|
1182 |
|
|
/**
|
1183 |
|
|
* Produces a glyph vector representing a full layout fo the specified
|
1184 |
|
|
* text in this font. Full layouts may include complex shaping and
|
1185 |
|
|
* reordering operations, for scripts such as Arabic or Hindi.
|
1186 |
|
|
*
|
1187 |
|
|
* Bidirectional (bidi) layout is not performed in this method; text
|
1188 |
|
|
* should have its bidi direction specified with one of the flags {@link
|
1189 |
|
|
* #LAYOUT_LEFT_TO_RIGHT} or {@link #LAYOUT_RIGHT_TO_LEFT}.
|
1190 |
|
|
*
|
1191 |
|
|
* Some types of layout (notably Arabic glyph shaping) may examine context
|
1192 |
|
|
* characters beyond the bounds of the indicated range, in order to select
|
1193 |
|
|
* an appropriate shape. The flags {@link #LAYOUT_NO_START_CONTEXT} and
|
1194 |
|
|
* {@link #LAYOUT_NO_LIMIT_CONTEXT} can be provided to prevent these extra
|
1195 |
|
|
* context areas from being examined, for instance if they contain invalid
|
1196 |
|
|
* characters.
|
1197 |
|
|
*
|
1198 |
|
|
* @param frc Context in which to perform the layout.
|
1199 |
|
|
* @param chars Text to perform layout on.
|
1200 |
|
|
* @param start Index of first character to perform layout on.
|
1201 |
|
|
* @param limit Index of last character to perform layout on.
|
1202 |
|
|
* @param flags Combination of flags controlling layout.
|
1203 |
|
|
*
|
1204 |
|
|
* @return A new {@link GlyphVector} representing the specified text.
|
1205 |
|
|
*
|
1206 |
|
|
* @throws IndexOutOfBoundsException if the range [begin, limit] is
|
1207 |
|
|
* invalid in <code>chars</code>.
|
1208 |
|
|
*/
|
1209 |
|
|
public GlyphVector layoutGlyphVector(FontRenderContext frc,
|
1210 |
|
|
char[] chars, int start,
|
1211 |
|
|
int limit, int flags)
|
1212 |
|
|
{
|
1213 |
|
|
return peer.layoutGlyphVector(this, frc, chars, start, limit, flags);
|
1214 |
|
|
}
|
1215 |
|
|
|
1216 |
|
|
|
1217 |
|
|
/**
|
1218 |
|
|
* Returns a native peer object for this font.
|
1219 |
|
|
*
|
1220 |
|
|
* @return A native peer object for this font.
|
1221 |
|
|
*
|
1222 |
|
|
* @deprecated
|
1223 |
|
|
*/
|
1224 |
|
|
public FontPeer getPeer()
|
1225 |
|
|
{
|
1226 |
|
|
return peer;
|
1227 |
|
|
}
|
1228 |
|
|
|
1229 |
|
|
|
1230 |
|
|
/**
|
1231 |
|
|
* Returns a hash value for this font.
|
1232 |
|
|
*
|
1233 |
|
|
* @return A hash for this font.
|
1234 |
|
|
*/
|
1235 |
|
|
public int hashCode()
|
1236 |
|
|
{
|
1237 |
|
|
return this.toString().hashCode();
|
1238 |
|
|
}
|
1239 |
|
|
|
1240 |
|
|
|
1241 |
|
|
/**
|
1242 |
|
|
* Tests whether or not the specified object is equal to this font. This
|
1243 |
|
|
* will be true if and only if:
|
1244 |
|
|
* <P>
|
1245 |
|
|
* <ul>
|
1246 |
|
|
* <li>The object is not <code>null</code>.
|
1247 |
|
|
* <li>The object is an instance of <code>Font</code>.
|
1248 |
|
|
* <li>The object has the same names, style, size, and transform as this object.
|
1249 |
|
|
* </ul>
|
1250 |
|
|
*
|
1251 |
|
|
* @return <code>true</code> if the specified object is equal to this
|
1252 |
|
|
* object, <code>false</code> otherwise.
|
1253 |
|
|
*/
|
1254 |
|
|
public boolean equals(Object obj)
|
1255 |
|
|
{
|
1256 |
|
|
if (obj == null)
|
1257 |
|
|
return false;
|
1258 |
|
|
|
1259 |
|
|
if (! (obj instanceof Font))
|
1260 |
|
|
return false;
|
1261 |
|
|
|
1262 |
|
|
Font f = (Font) obj;
|
1263 |
|
|
|
1264 |
|
|
return (f.getName().equals(this.getName())
|
1265 |
|
|
&& f.getFamily().equals(this.getFamily())
|
1266 |
|
|
&& f.getFontName().equals(this.getFontName())
|
1267 |
|
|
&& f.getTransform().equals(this.getTransform ())
|
1268 |
|
|
&& f.getSize() == this.getSize()
|
1269 |
|
|
&& f.getStyle() == this.getStyle());
|
1270 |
|
|
}
|
1271 |
|
|
|
1272 |
|
|
/**
|
1273 |
|
|
* Returns a string representation of this font.
|
1274 |
|
|
*
|
1275 |
|
|
* @return A string representation of this font.
|
1276 |
|
|
*/
|
1277 |
|
|
public String toString()
|
1278 |
|
|
{
|
1279 |
|
|
String styleString = "";
|
1280 |
|
|
|
1281 |
|
|
switch (getStyle())
|
1282 |
|
|
{
|
1283 |
|
|
case 0:
|
1284 |
|
|
styleString = "plain";
|
1285 |
|
|
break;
|
1286 |
|
|
case 1:
|
1287 |
|
|
styleString = "bold";
|
1288 |
|
|
break;
|
1289 |
|
|
case 2:
|
1290 |
|
|
styleString = "italic";
|
1291 |
|
|
break;
|
1292 |
|
|
default:
|
1293 |
|
|
styleString = "unknown";
|
1294 |
|
|
}
|
1295 |
|
|
|
1296 |
|
|
return getClass().getName()
|
1297 |
|
|
+ "[family=" + getFamily ()
|
1298 |
|
|
+ ",name=" + getFontName ()
|
1299 |
|
|
+ ",style=" + styleString
|
1300 |
|
|
+ ",size=" + getSize () + "]";
|
1301 |
|
|
}
|
1302 |
|
|
|
1303 |
|
|
|
1304 |
|
|
/**
|
1305 |
|
|
* Determines the line metrics for a run of text.
|
1306 |
|
|
*
|
1307 |
|
|
* @param str the text run to be measured.
|
1308 |
|
|
*
|
1309 |
|
|
* @param frc the font rendering parameters that are used for the
|
1310 |
|
|
* measurement. The exact placement and size of text slightly
|
1311 |
|
|
* depends on device-specific characteristics, for instance
|
1312 |
|
|
* the device resolution or anti-aliasing. For this reason,
|
1313 |
|
|
* the returned measurement will only be accurate if the
|
1314 |
|
|
* passed <code>FontRenderContext</code> correctly reflects
|
1315 |
|
|
* the relevant parameters. Hence, <code>frc</code> should be
|
1316 |
|
|
* obtained from the same <code>Graphics2D</code> that will
|
1317 |
|
|
* be used for drawing, and any rendering hints should be set
|
1318 |
|
|
* to the desired values before obtaining <code>frc</code>.
|
1319 |
|
|
*
|
1320 |
|
|
* @see java.awt.Graphics2D#getFontRenderContext()
|
1321 |
|
|
*/
|
1322 |
|
|
public LineMetrics getLineMetrics(String str, FontRenderContext frc)
|
1323 |
|
|
{
|
1324 |
|
|
return getLineMetrics(str, 0, str.length() - 1, frc);
|
1325 |
|
|
}
|
1326 |
|
|
|
1327 |
|
|
/**
|
1328 |
|
|
* Reads the normal fields from the stream and then constructs the
|
1329 |
|
|
* peer from the style and size through getPeerFromToolkit().
|
1330 |
|
|
*/
|
1331 |
|
|
private void readObject(ObjectInputStream ois)
|
1332 |
|
|
throws IOException, ClassNotFoundException
|
1333 |
|
|
{
|
1334 |
|
|
ois.defaultReadObject();
|
1335 |
|
|
|
1336 |
|
|
HashMap attrs = new HashMap();
|
1337 |
|
|
ClasspathFontPeer.copyStyleToAttrs(style, attrs);
|
1338 |
|
|
ClasspathFontPeer.copySizeToAttrs(size, attrs);
|
1339 |
|
|
peer = getPeerFromToolkit(name, attrs);
|
1340 |
|
|
|
1341 |
|
|
}
|
1342 |
|
|
}
|