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.Rectangle;
29 import java.awt.geom.GeneralPath;
30 import java.awt.geom.Rectangle2D;
31 import java.awt.geom.Point2D;
32 
33 public abstract class FontStrike {
34 
35 
36     protected FontStrikeDisposer disposer;
37     protected FontStrikeDesc desc;
38     protected StrikeMetrics strikeMetrics;
39     protected boolean algoStyle = false;
40     protected float boldness = 1f;
41     protected float italic = 0f;
42     /*
43      * lastLookupTime is updated by Font2D.getStrike and can be used to
44      * choose strikes that have not been newly referenced for purging when
45      * memory usage gets too high. Active strikes will never be purged
46      * because purging is via GC of WeakReferences.
47      */
48     //protected long lastlookupTime/* = System.currentTimeMillis()*/;
49 
getNumGlyphs()50     public abstract int getNumGlyphs();
51 
getFontMetrics()52     abstract StrikeMetrics getFontMetrics();
53 
getGlyphImagePtrs(int[] glyphCodes, long[] images,int len)54     abstract void getGlyphImagePtrs(int[] glyphCodes, long[] images,int  len);
55 
getGlyphImagePtr(int glyphcode)56     abstract long getGlyphImagePtr(int glyphcode);
57 
58     // pt, result in device space
getGlyphImageBounds(int glyphcode, Point2D.Float pt, Rectangle result)59     abstract void getGlyphImageBounds(int glyphcode,
60                                       Point2D.Float pt,
61                                       Rectangle result);
62 
getGlyphMetrics(int glyphcode)63     abstract Point2D.Float getGlyphMetrics(int glyphcode);
64 
getCharMetrics(char ch)65     abstract Point2D.Float getCharMetrics(char ch);
66 
getGlyphAdvance(int glyphCode)67     abstract float getGlyphAdvance(int glyphCode);
68 
getCodePointAdvance(int cp)69     abstract float getCodePointAdvance(int cp);
70 
getGlyphOutlineBounds(int glyphCode)71     abstract Rectangle2D.Float getGlyphOutlineBounds(int glyphCode);
72 
73     abstract GeneralPath
getGlyphOutline(int glyphCode, float x, float y)74         getGlyphOutline(int glyphCode, float x, float y);
75 
76     abstract GeneralPath
getGlyphVectorOutline(int[] glyphs, float x, float y)77         getGlyphVectorOutline(int[] glyphs, float x, float y);
78 
79 
80 }
81