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115 lines
4.3 KiB
Java
115 lines
4.3 KiB
Java
/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.font;
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import java.awt.FontFormatException;
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import java.awt.geom.GeneralPath;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import java.io.FileInputStream;
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import java.lang.ref.WeakReference;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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public abstract class PhysicalFont extends Font2D {
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protected String platName;
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// nativeNames is a String or a (possibly null) String[].
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protected Object nativeNames;
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public boolean equals(Object o) {
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if (o == null || o.getClass() != this.getClass()) {
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return false;
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}
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PhysicalFont other = (PhysicalFont)o;
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return
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(this.fullName.equals(other.fullName)) &&
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((this.platName == null && other.platName == null) ||
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(this.platName != null && this.platName.equals(other.platName)));
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}
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public int hashCode() {
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return fullName.hashCode() +
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(platName != null ? platName.hashCode() : 0);
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}
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/**
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* Opens the file (temporarily) and does basic verification.
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* Initializes the CMAP
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* @throws FontFormatException if the font can't be opened
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* or fails verification, or there's no usable cmap
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*/
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PhysicalFont(String platname, Object nativeNames)
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throws FontFormatException {
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handle = new Font2DHandle(this);
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this.platName = platname;
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this.nativeNames = nativeNames;
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}
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protected PhysicalFont() {
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handle = new Font2DHandle(this);
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}
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/* The following methods are delegated to the font by the strike
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* for physical fonts as the PhysicalFont holds a shared reference
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* to the native resource, so all invocations need to be directed
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* through a synchronization point. Implementations of these methods
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* will typically be "synchronized native"
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*/
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Point2D.Float getGlyphPoint(long pScalerContext,
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int glyphCode, int ptNumber) {
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return new Point2D.Float();
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}
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/* These 3 metrics methods should be implemented to return
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* values in user space.
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*/
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abstract StrikeMetrics getFontMetrics(long pScalerContext);
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abstract float getGlyphAdvance(long pScalerContext, int glyphCode);
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abstract void getGlyphMetrics(long pScalerContext, int glyphCode,
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Point2D.Float metrics);
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abstract long getGlyphImage(long pScalerContext, int glyphCode);
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/* These 3 outline methods should be implemented to return
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* values in device space. Callers need to be aware of this
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* as typically Java client code will need to have them in user space.
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*/
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abstract Rectangle2D.Float getGlyphOutlineBounds(long pScalerContext,
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int glyphCode);
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abstract GeneralPath getGlyphOutline(long pScalerContext, int glyphCode,
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float x, float y);
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abstract GeneralPath getGlyphVectorOutline(long pScalerContext,
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int[] glyphs, int numGlyphs,
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float x, float y);
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}
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