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