1 /*
2 * Copyright (c) 2011, 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 #import "GeomUtilities.h"
27 #import <JavaNativeFoundation/JavaNativeFoundation.h>
28
29 static jobject NewJavaRect(JNIEnv *env, jdouble x, jdouble y, jdouble w, jdouble h) {
30 DECLARE_CLASS_RETURN(sjc_Rectangle2DDouble, "java/awt/geom/Rectangle2D$Double", NULL);
31 DECLARE_METHOD_RETURN(ctor_Rectangle2DDouble, sjc_Rectangle2DDouble, "<init>", "(DDDD)V", NULL);
32 jobject o = (*env)->NewObject(env, sjc_Rectangle2DDouble, ctor_Rectangle2DDouble, x, y, w, h);
33 CHECK_EXCEPTION();
34 return o;
35 }
36
37 jobject CGToJavaRect(JNIEnv *env, CGRect rect) {
38 return NewJavaRect(env,
39 rect.origin.x,
40 rect.origin.y,
41 rect.size.width,
42 rect.size.height);
43 }
44
45 jobject NSToJavaRect(JNIEnv *env, NSRect rect) {
46 return NewJavaRect(env,
47 rect.origin.x,
48 rect.origin.y,
49 rect.size.width,
50 rect.size.height);
51 }
52
53 NSRect JavaToNSRect(JNIEnv *env, jobject rect) {
54 DECLARE_CLASS_RETURN(sjc_Rectangle2D, "java/awt/geom/Rectangle2D", NSZeroRect);
55 DECLARE_METHOD_RETURN(jm_rect_getX, sjc_Rectangle2D, "getX", "()D", NSZeroRect);
56 DECLARE_METHOD_RETURN(jm_rect_getY, sjc_Rectangle2D, "getY", "()D", NSZeroRect);
57 DECLARE_METHOD_RETURN(jm_rect_getWidth, sjc_Rectangle2D, "getWidth", "()D", NSZeroRect);
58 DECLARE_METHOD_RETURN(jm_rect_getHeight, sjc_Rectangle2D, "getHeight", "()D", NSZeroRect);
59 jdouble x = (*env)->CallDoubleMethod(env, rect, jm_rect_getX); CHECK_EXCEPTION();
60 jdouble y = (*env)->CallDoubleMethod(env, rect, jm_rect_getY); CHECK_EXCEPTION();
61 jdouble w = (*env)->CallDoubleMethod(env, rect, jm_rect_getWidth); CHECK_EXCEPTION();
62 jdouble h = (*env)->CallDoubleMethod(env, rect, jm_rect_getHeight); CHECK_EXCEPTION();
63 return NSMakeRect(x, y, w, h);
64 }
65
66 jobject NSToJavaPoint(JNIEnv *env, NSPoint point) {
67 DECLARE_CLASS_RETURN(sjc_Point2DDouble, "java/awt/geom/Point2D$Double", NULL);
68 DECLARE_METHOD_RETURN(ctor_Point2DDouble, sjc_Point2DDouble, "<init>", "(DD)V", NULL);
69 jobject o = (*env)->NewObject(env, sjc_Point2DDouble, ctor_Point2DDouble, (jdouble)point.x, (jdouble)point.y);
70 CHECK_EXCEPTION();
71 return o;
72 }
73
74 NSPoint JavaToNSPoint(JNIEnv *env, jobject point) {
75 DECLARE_CLASS_RETURN(sjc_Point2D, "java/awt/geom/Point2D", NSZeroPoint);
76 DECLARE_METHOD_RETURN(jm_pt_getX, sjc_Point2D, "getX", "()D", NSZeroPoint);
77 DECLARE_METHOD_RETURN(jm_pt_getY, sjc_Point2D, "getY", "()D", NSZeroPoint);
78 jdouble x = (*env)->CallDoubleMethod(env, point, jm_pt_getX); CHECK_EXCEPTION();
79 jdouble y = (*env)->CallDoubleMethod(env, point, jm_pt_getY); CHECK_EXCEPTION();
80 return NSMakePoint(x, y);
81 }
82
83 jobject NSToJavaSize(JNIEnv *env, NSSize size) {
84 DECLARE_CLASS_RETURN(sjc_Dimension2DDouble, "java/awt/Dimension", NULL); // No Dimension2D$Double :-(
85 DECLARE_METHOD_RETURN(ctor_Dimension2DDouble, sjc_Dimension2DDouble, "<init>", "(II)V", NULL);
86 jobject o = (*env)->NewObject(env, sjc_Dimension2DDouble, ctor_Dimension2DDouble, (jint)size.width, (jint)size.height);
87 CHECK_EXCEPTION();
88 return o;
89 }
90
91 NSSize JavaToNSSize(JNIEnv *env, jobject dimension) {
92 DECLARE_CLASS_RETURN(sjc_Dimension2D, "java/awt/geom/Dimension2D", NSZeroSize);
93 DECLARE_METHOD_RETURN(jm_sz_getWidth, sjc_Dimension2D, "getWidth", "()D", NSZeroSize);
94 DECLARE_METHOD_RETURN(jm_sz_getHeight, sjc_Dimension2D, "getHeight", "()D", NSZeroSize);
95 jdouble w = (*env)->CallDoubleMethod(env, dimension, jm_sz_getWidth); CHECK_EXCEPTION();
96 jdouble h = (*env)->CallDoubleMethod(env, dimension, jm_sz_getHeight); CHECK_EXCEPTION();
97 return NSMakeSize(w, h);
98 }
99
100 static NSScreen *primaryScreen(JNIEnv *env) {
101 NSScreen *primaryScreen = [[NSScreen screens] objectAtIndex:0];
102 if (primaryScreen != nil) return primaryScreen;
103 if ((env != NULL) && ([NSThread isMainThread] == NO)) {
104 JNU_ThrowByName(env, "java/lang/RuntimeException", "Failed to convert, no screen.");
105 }
106 [NSException raise:NSGenericException format:@"Failed to convert, no screen."];
107 return nil;
108 }
109
110 NSPoint ConvertNSScreenPoint(JNIEnv *env, NSPoint point) {
111 point.y = [primaryScreen(env) frame].size.height - point.y;
112 return point;
113 }
114
115 NSRect ConvertNSScreenRect(JNIEnv *env, NSRect rect) {
116 rect.origin.y = [primaryScreen(env) frame].size.height - rect.origin.y - rect.size.height;
117 return rect;
118 }