Showing the changes to java/pkg/sun/font/PhysicalFont.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.font; | |
| 27 | + | |
| 28 | +import java.awt.FontFormatException; | |
| 29 | +import java.awt.geom.GeneralPath; | |
| 30 | +import java.awt.geom.Point2D; | |
| 31 | +import java.awt.geom.Rectangle2D; | |
| 32 | +import java.io.FileInputStream; | |
| 33 | +import java.lang.ref.WeakReference; | |
| 34 | +import java.nio.ByteBuffer; | |
| 35 | +import java.nio.channels.FileChannel; | |
| 36 | + | |
| 37 | +public abstract class PhysicalFont extends Font2D { | |
| 38 | + | |
| 39 | + protected String platName; | |
| 40 | + // nativeNames is a String or a (possibly null) String[]. | |
| 41 | + protected Object nativeNames; | |
| 42 | + | |
| 43 | + public boolean equals(Object o) { | |
| 44 | + return (o != null && o.getClass() == this.getClass() && | |
| 45 | + ((Font2D)o).fullName.equals(this.fullName)); | |
| 46 | + } | |
| 47 | + | |
| 48 | + public int hashCode() { | |
| 49 | + return fullName.hashCode(); | |
| 50 | + } | |
| 51 | + | |
| 52 | + /** | |
| 53 | + * Opens the file (temporarily) and does basic verification. | |
| 54 | + * Initializes the CMAP | |
| 55 | + * @throws FontFormatException - if the font can't be opened | |
| 56 | + * or fails verification, or there's no usable cmap | |
| 57 | + */ | |
| 58 | + PhysicalFont(String platname, Object nativeNames) | |
| 59 | + throws FontFormatException { | |
| 60 | + | |
| 61 | + handle = new Font2DHandle(this); | |
| 62 | + this.platName = platname; | |
| 63 | + this.nativeNames = nativeNames; | |
| 64 | + } | |
| 65 | + | |
| 66 | + protected PhysicalFont() { | |
| 67 | + handle = new Font2DHandle(this); | |
| 68 | + } | |
| 69 | + | |
| 70 | + /* The following methods are delegated to the font by the strike | |
| 71 | + * for physical fonts as the PhysicalFont holds a shared reference | |
| 72 | + * to the native resource, so all invocations need to be directed | |
| 73 | + * through a synchronization point. Implementations of these methods | |
| 74 | + * will typically be "synchronized native" | |
| 75 | + */ | |
| 76 | + | |
| 77 | + Point2D.Float getGlyphPoint(long pScalerContext, | |
| 78 | + int glyphCode, int ptNumber) { | |
| 79 | + return new Point2D.Float(); | |
| 80 | + } | |
| 81 | + | |
| 82 | + /* These 3 metrics methods should be implemented to return | |
| 83 | + * values in user space. | |
| 84 | + */ | |
| 85 | + abstract StrikeMetrics getFontMetrics(long pScalerContext); | |
| 86 | + | |
| 87 | + abstract float getGlyphAdvance(long pScalerContext, int glyphCode); | |
| 88 | + | |
| 89 | + abstract void getGlyphMetrics(long pScalerContext, int glyphCode, | |
| 90 | + Point2D.Float metrics); | |
| 91 | + | |
| 92 | + abstract long getGlyphImage(long pScalerContext, int glyphCode); | |
| 93 | + | |
| 94 | + /* These 3 outline methods should be implemented to return | |
| 95 | + * values in device space. Callers need to be aware of this | |
| 96 | + * as typically Java client code will need to have them in user space. | |
| 97 | + */ | |
| 98 | + abstract Rectangle2D.Float getGlyphOutlineBounds(long pScalerContext, | |
| 99 | + int glyphCode); | |
| 100 | + | |
| 101 | + abstract GeneralPath getGlyphOutline(long pScalerContext, int glyphCode, | |
| 102 | + float x, float y); | |
| 103 | + | |
| 104 | + abstract GeneralPath getGlyphVectorOutline(long pScalerContext, | |
| 105 | + int[] glyphs, int numGlyphs, | |
| 106 | + float x, float y); | |
| 107 | +} | |