1/*
2 * Copyright (c) 2003, 2008, 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#ifndef AccelGlyphCache_h_Included
27#define AccelGlyphCache_h_Included
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33#include "jni.h"
34#include "fontscalerdefs.h"
35
36typedef void (FlushFunc)();
37
38typedef struct _CacheCellInfo CacheCellInfo;
39
40typedef struct {
41 CacheCellInfo *head;
42 CacheCellInfo *tail;
43 unsigned int cacheID;
44 jint width;
45 jint height;
46 jint cellWidth;
47 jint cellHeight;
48 jboolean isFull;
49 FlushFunc *Flush;
50} GlyphCacheInfo;
51
52struct _CacheCellInfo {
53 GlyphCacheInfo *cacheInfo;
54 struct GlyphInfo *glyphInfo;
55 // next cell info in the cache's list
56 CacheCellInfo *next;
57 // REMIND: find better name?
58 // next cell info in the glyph's cell list (next Glyph Cache Info)
59 CacheCellInfo *nextGCI;
60 jint timesRendered;
61 jint x;
62 jint y;
63 // number of pixels from the left or right edge not considered touched
64 // by the glyph
65 jint leftOff;
66 jint rightOff;
67 jfloat tx1;
68 jfloat ty1;
69 jfloat tx2;
70 jfloat ty2;
71};
72
73GlyphCacheInfo *
74AccelGlyphCache_Init(jint width, jint height,
75 jint cellWidth, jint cellHeight,
76 FlushFunc *func);
77CacheCellInfo *
78AccelGlyphCache_AddGlyph(GlyphCacheInfo *cache, struct GlyphInfo *glyph);
79void
80AccelGlyphCache_Invalidate(GlyphCacheInfo *cache);
81void
82AccelGlyphCache_AddCellInfo(struct GlyphInfo *glyph, CacheCellInfo *cellInfo);
83void
84AccelGlyphCache_RemoveCellInfo(struct GlyphInfo *glyph, CacheCellInfo *cellInfo);
85CacheCellInfo *
86AccelGlyphCache_GetCellInfoForCache(struct GlyphInfo *glyph,
87 GlyphCacheInfo *cache);
88JNIEXPORT void
89AccelGlyphCache_RemoveAllCellInfos(struct GlyphInfo *glyph);
90void
91AccelGlyphCache_Free(GlyphCacheInfo *cache);
92
93#ifdef __cplusplus
94};
95#endif
96
97#endif /* AccelGlyphCache_h_Included */
98