1 /*
2 * Copyright (c) 2007, 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 #include "stdlib.h"
27 #include "string.h"
28 #include "gdefs.h"
29 #include "jlong.h"
30 #include "jni_util.h"
31 #include "sunfontids.h"
32 #include "fontscalerdefs.h"
33 #include "sun_font_SunFontManager.h"
34 #include "sun_font_NullFontScaler.h"
35 #include "sun_font_StrikeCache.h"
36
37 static void *theNullScalerContext = NULL;
38 extern void AccelGlyphCache_RemoveAllCellInfos(GlyphInfo *glyph);
39
40
41 JNIEXPORT jlong JNICALL
42 Java_sun_font_NullFontScaler_getNullScalerContext
43 (JNIEnv *env, jclass scalerClass) {
44
45 if (theNullScalerContext == NULL) {
46 theNullScalerContext = malloc(1);
47 }
48 return ptr_to_jlong(theNullScalerContext);
49 }
50
51 int isNullScalerContext(void *context) {
52 return theNullScalerContext == context;
53 }
54
55 /* Eventually we may rework it to be a singleton.
56 * This will require additional checks in freeLongMemory/freeIntMemory
57 * and on other hand malformed fonts (main source of null glyph images)
58 * are supposed to be collected fast.
59 * But perhaps it is still right thing to do.
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1 /*
2 * Copyright (c) 2007, 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 #include "stdlib.h"
27 #include "string.h"
28 #include "gdefs.h"
29 #include "jlong.h"
30 #include "jni_util.h"
31 #include "sunfontids.h"
32 #include "fontscalerdefs.h"
33 #include "sun_font_SunFontManager.h"
34 #include "sun_font_NullFontScaler.h"
35 #include "sun_font_StrikeCache.h"
36
37 static void *theNullScalerContext = NULL;
38 extern void AccelGlyphCache_RemoveAllCellInfos(GlyphInfo *glyph);
39
40 /*
41 * Declare library specific JNI_Onload entry if static build
42 */
43 DEF_STATIC_JNI_OnLoad
44
45 JNIEXPORT jlong JNICALL
46 Java_sun_font_NullFontScaler_getNullScalerContext
47 (JNIEnv *env, jclass scalerClass) {
48
49 if (theNullScalerContext == NULL) {
50 theNullScalerContext = malloc(1);
51 }
52 return ptr_to_jlong(theNullScalerContext);
53 }
54
55 int isNullScalerContext(void *context) {
56 return theNullScalerContext == context;
57 }
58
59 /* Eventually we may rework it to be a singleton.
60 * This will require additional checks in freeLongMemory/freeIntMemory
61 * and on other hand malformed fonts (main source of null glyph images)
62 * are supposed to be collected fast.
63 * But perhaps it is still right thing to do.
|