Showing the changes to java/pkg/sun/font/TextSource.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 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 | + * | |
| 27 | + * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved | |
| 28 | + */ | |
| 29 | + | |
| 30 | +package sun.font; | |
| 31 | + | |
| 32 | +import java.awt.Font; | |
| 33 | +import java.awt.font.FontRenderContext; | |
| 34 | +import java.awt.font.LineMetrics; | |
| 35 | + | |
| 36 | +/** | |
| 37 | + * A text source represents text for rendering, plus context information. | |
| 38 | + * All text in the source uses the same font, metrics, and render context, | |
| 39 | + * and is at the same bidi level. | |
| 40 | + */ | |
| 41 | + | |
| 42 | +public abstract class TextSource { | |
| 43 | + /** Source character data. */ | |
| 44 | + public abstract char[] getChars(); | |
| 45 | + | |
| 46 | + /** Start of source data in char array returned from getChars. */ | |
| 47 | + public abstract int getStart(); | |
| 48 | + | |
| 49 | + /** Length of source data. */ | |
| 50 | + public abstract int getLength(); | |
| 51 | + | |
| 52 | + /** Start of context data in char array returned from getChars. */ | |
| 53 | + public abstract int getContextStart(); | |
| 54 | + | |
| 55 | + /** Length of context data. */ | |
| 56 | + public abstract int getContextLength(); | |
| 57 | + | |
| 58 | + /** Return the layout flags */ | |
| 59 | + public abstract int getLayoutFlags(); | |
| 60 | + | |
| 61 | + /** Bidi level of all the characters in context. */ | |
| 62 | + public abstract int getBidiLevel(); | |
| 63 | + | |
| 64 | + /** Font for source data. */ | |
| 65 | + public abstract Font getFont(); | |
| 66 | + | |
| 67 | + /** Font render context to use when measuring or rendering source data. */ | |
| 68 | + public abstract FontRenderContext getFRC(); | |
| 69 | + | |
| 70 | + /** Line metrics for source data. */ | |
| 71 | + public abstract CoreMetrics getCoreMetrics(); | |
| 72 | + | |
| 73 | + /** Get subrange of this TextSource. dir is one of the TextLineComponent constants */ | |
| 74 | + public abstract TextSource getSubSource(int start, int length, int dir); | |
| 75 | + | |
| 76 | + /** Constant for toString(boolean). Indicates that toString should not return info | |
| 77 | + outside of the context of this instance. */ | |
| 78 | + public static final boolean WITHOUT_CONTEXT = false; | |
| 79 | + | |
| 80 | + /** Constant for toString(boolean). Indicates that toString should return info | |
| 81 | + outside of the context of this instance. */ | |
| 82 | + public static final boolean WITH_CONTEXT = true; | |
| 83 | + | |
| 84 | + /** Get debugging info about this TextSource instance. Default implementation just | |
| 85 | + returns toString. Subclasses should implement this to match the semantics of | |
| 86 | + the toString constants. */ | |
| 87 | + public abstract String toString(boolean withContext); | |
| 88 | +} | |