1 /*
2 * Copyright (c) 2003, 2013, 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 FontScalerDefsIncludesDefined
27 #define FontScalerDefsIncludesDefined
28
29 #include "AccelGlyphCache.h"
30
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34
35 #ifdef _LP64
36 typedef unsigned int UInt32;
37 typedef int Int32;
38 #else
39 typedef unsigned long UInt32;
40 typedef long Int32;
41 #endif
42 typedef unsigned short UInt16;
43 typedef short Int16;
44 typedef unsigned char UInt8;
45
46 typedef UInt8 Byte;
47 typedef Int32 hsFixed;
48 typedef Int32 hsFract;
49 typedef UInt32 Bool32;
50
51 #ifndef __cplusplus
52 #ifndef false
53 #define false 0
54 #endif
55
56 #ifndef true
57 #define true 1
58 #endif
59 #endif
60
61 /* managed: 1 means the glyph has a hardware cached
62 * copy, and its freeing is managed by the usual
63 * 2D disposer code.
64 * A value of 0 means its either unaccelerated (and so has no cellInfos)
65 * or we want to free this in a different way.
66 * The field uses previously unused padding, so doesn't enlarge
67 * the structure.
68 */
69 #define UNMANAGED_GLYPH 0
70 #define MANAGED_GLYPH 1
71 typedef struct GlyphInfo {
72 float advanceX;
73 float advanceY;
74 UInt16 width;
75 UInt16 height;
76 UInt16 rowBytes;
77 UInt8 managed;
78 float topLeftX;
79 float topLeftY;
80 void *cellInfo;
81 UInt8 *image;
82 } GlyphInfo;
83
84 /* We use fffe and ffff as meaning invisible glyphs which have no
85 * image, or advance and an empty outline.
86 * Since there are no valid glyphs with this great a value (watch out for
87 * large fonts in the future!) we can safely use check for >= this value
88 */
89 #define INVISIBLE_GLYPHS 0xfffe
90
91 #include "sunfontids.h"
92
93 /* If font is malformed then scaler context created by particular scaler
94 * will be replaced by null scaler context.
95 * Note that this context is not compatible with structure of the context
96 * object used by particular scaler. Therefore, before using context
97 * scaler has to check if it is NullContext.
98 *
99 * Note that in theory request with NullContext should not even reach native
100 * scaler.
101 *
102 * It seems that the only reason to support NullContext is to simplify
103 * FileFontStrike logic - presence of context is used as marker to
104 * free the memory.
105 */
106 JNIEXPORT int isNullScalerContext(void *context);
107
108 #ifdef __cplusplus
109 }
110 #endif
111
112 #endif