1/*
2 * Copyright (c) 2015, 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 HB_JDK_H
27#define HB_JDK_H
28
29#include "hb.h"
30#include <jni.h>
31#include <sunfontids.h>
32
33# ifdef __cplusplus
34extern "C" {
35#endif
36
37typedef struct JDKFontInfo_Struct {
38 JNIEnv* env;
39 jobject font2D;
40 jobject fontStrike;
41 long nativeFont;
42 float matrix[4];
43 float ptSize;
44 float xPtSize;
45 float yPtSize;
46 float devScale; // How much applying the full glyph tx scales x distance.
47 jboolean aat;
48} JDKFontInfo;
49
50
51// Use 16.16 for better precision than 26.6
52#define HBFloatToFixedScale ((float)(1 << 16))
53#define HBFloatToFixed(f) ((unsigned int)((f) * HBFloatToFixedScale))
54
55/*
56 * Note:
57 *
58 * Set face size on ft-face before creating hb-font from it.
59 * Otherwise hb-ft would NOT pick up the font size correctly.
60 */
61
62hb_face_t *
63hb_jdk_face_create(JDKFontInfo* jdkFontInfo,
64 hb_destroy_func_t destroy);
65hb_font_t *
66hb_jdk_font_create(hb_face_t* hbFace,
67 JDKFontInfo* jdkFontInfo,
68 hb_destroy_func_t destroy);
69
70
71/* Makes an hb_font_t use JDK internally to implement font functions. */
72void
73hb_jdk_font_set_funcs(hb_font_t *font);
74
75
76# ifdef __cplusplus
77}
78#endif
79
80#endif /* HB_JDK_H */
81