89 lines
3.2 KiB
Java
89 lines
3.2 KiB
Java
/*
|
|
* Copyright (c) 1998, 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
/*
|
|
*
|
|
* (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
|
|
*/
|
|
|
|
package sun.font;
|
|
|
|
import java.awt.Font;
|
|
import java.awt.font.FontRenderContext;
|
|
import java.awt.font.LineMetrics;
|
|
|
|
/**
|
|
* A text source represents text for rendering, plus context information.
|
|
* All text in the source uses the same font, metrics, and render context,
|
|
* and is at the same bidi level.
|
|
*/
|
|
|
|
public abstract class TextSource {
|
|
/** Source character data. */
|
|
public abstract char[] getChars();
|
|
|
|
/** Start of source data in char array returned from getChars. */
|
|
public abstract int getStart();
|
|
|
|
/** Length of source data. */
|
|
public abstract int getLength();
|
|
|
|
/** Start of context data in char array returned from getChars. */
|
|
public abstract int getContextStart();
|
|
|
|
/** Length of context data. */
|
|
public abstract int getContextLength();
|
|
|
|
/** Return the layout flags */
|
|
public abstract int getLayoutFlags();
|
|
|
|
/** Bidi level of all the characters in context. */
|
|
public abstract int getBidiLevel();
|
|
|
|
/** Font for source data. */
|
|
public abstract Font getFont();
|
|
|
|
/** Font render context to use when measuring or rendering source data. */
|
|
public abstract FontRenderContext getFRC();
|
|
|
|
/** Line metrics for source data. */
|
|
public abstract CoreMetrics getCoreMetrics();
|
|
|
|
/** Get subrange of this TextSource. dir is one of the TextLineComponent constants */
|
|
public abstract TextSource getSubSource(int start, int length, int dir);
|
|
|
|
/** Constant for toString(boolean). Indicates that toString should not return info
|
|
outside of the context of this instance. */
|
|
public static final boolean WITHOUT_CONTEXT = false;
|
|
|
|
/** Constant for toString(boolean). Indicates that toString should return info
|
|
outside of the context of this instance. */
|
|
public static final boolean WITH_CONTEXT = true;
|
|
|
|
/** Get debugging info about this TextSource instance. Default implementation just
|
|
returns toString. Subclasses should implement this to match the semantics of
|
|
the toString constants. */
|
|
public abstract String toString(boolean withContext);
|
|
}
|