| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | } |