1 /*
   2  * Copyright (c) 2011, 2012, 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 
  28 static JNF_CLASS_CACHE(sjc_Point2D, "java/awt/geom/Point2D");
  29 static JNF_MEMBER_CACHE(jm_pt_getX, sjc_Point2D, "getX", "()D");
  30 static JNF_MEMBER_CACHE(jm_pt_getY, sjc_Point2D, "getY", "()D");
  31 
  32 static JNF_CLASS_CACHE(sjc_Dimension2D, "java/awt/geom/Dimension2D");
  33 static JNF_MEMBER_CACHE(jm_sz_getWidth, sjc_Dimension2D, "getWidth", "()D");
  34 static JNF_MEMBER_CACHE(jm_sz_getHeight, sjc_Dimension2D, "getHeight", "()D");
  35 
  36 static JNF_CLASS_CACHE(sjc_Rectangle2D, "java/awt/geom/Rectangle2D");
  37 static JNF_MEMBER_CACHE(jm_rect_getX, sjc_Rectangle2D, "getX", "()D");
  38 static JNF_MEMBER_CACHE(jm_rect_getY, sjc_Rectangle2D, "getY", "()D");
  39 static JNF_MEMBER_CACHE(jm_rect_getWidth, sjc_Rectangle2D, "getWidth", "()D");
  40 static JNF_MEMBER_CACHE(jm_rect_getHeight, sjc_Rectangle2D, "getHeight", "()D");
  41 
  42 
  43 static jobject NewJavaRect(JNIEnv *env, jdouble x, jdouble y, jdouble w, jdouble h) {
  44     static JNF_CLASS_CACHE(sjc_Rectangle2DDouble, "java/awt/geom/Rectangle2D$Double");
  45     static JNF_CTOR_CACHE(ctor_Rectangle2DDouble, sjc_Rectangle2DDouble, "(DDDD)V");
  46     return JNFNewObject(env, ctor_Rectangle2DDouble, x, y, w, h);
  47 }
  48 
  49 jobject CGToJavaRect(JNIEnv *env, CGRect rect) {
  50    return NewJavaRect(env,
  51                       rect.origin.x,
  52                       rect.origin.y,
  53                       rect.size.width,
  54                       rect.size.height);
  55 }
  56 
  57 jobject NSToJavaRect(JNIEnv *env, NSRect rect) {
  58     return NewJavaRect(env,
  59                        rect.origin.x,
  60                        rect.origin.y,
  61                        rect.size.width,
  62                        rect.size.height);
  63 }
  64 
  65 CGRect JavaToCGRect(JNIEnv *env, jobject rect) {
  66     return CGRectMake(JNFCallDoubleMethod(env, rect, jm_rect_getX),
  67                       JNFCallDoubleMethod(env, rect, jm_rect_getY),
  68                       JNFCallDoubleMethod(env, rect, jm_rect_getWidth),
  69                       JNFCallDoubleMethod(env, rect, jm_rect_getHeight));
  70 }
  71 
  72 NSRect JavaToNSRect(JNIEnv *env, jobject rect) {
  73     return NSMakeRect(JNFCallDoubleMethod(env, rect, jm_rect_getX),
  74                       JNFCallDoubleMethod(env, rect, jm_rect_getY),
  75                       JNFCallDoubleMethod(env, rect, jm_rect_getWidth),
  76                       JNFCallDoubleMethod(env, rect, jm_rect_getHeight));
  77 }
  78 
  79 jobject NSToJavaPoint(JNIEnv *env, NSPoint point) {
  80     static JNF_CLASS_CACHE(sjc_Point2DDouble, "java/awt/geom/Point2D$Double");
  81     static JNF_CTOR_CACHE(ctor_Point2DDouble, sjc_Point2DDouble, "(DD)V");
  82     return JNFNewObject(env, ctor_Point2DDouble, (jdouble)point.x, (jdouble)point.y);
  83 }
  84 
  85 NSPoint JavaToNSPoint(JNIEnv *env, jobject point) {
  86     return NSMakePoint(JNFCallDoubleMethod(env, point, jm_pt_getX),
  87                        JNFCallDoubleMethod(env, point, jm_pt_getY));
  88 }
  89 
  90 jobject NSToJavaSize(JNIEnv *env, NSSize size) {
  91     static JNF_CLASS_CACHE(sjc_Dimension2DDouble, "java/awt/Dimension"); // No Dimension2D$Double :-(
  92     static JNF_CTOR_CACHE(ctor_Dimension2DDouble, sjc_Dimension2DDouble, "(II)V");
  93     return JNFNewObject(env, ctor_Dimension2DDouble, (jint)size.width, (jint)size.height);
  94 }
  95 
  96 NSSize JavaToNSSize(JNIEnv *env, jobject dimension) {
  97     return NSMakeSize(JNFCallDoubleMethod(env, dimension, jm_sz_getWidth),
  98                       JNFCallDoubleMethod(env, dimension, jm_sz_getHeight));
  99 }
 100 
 101 static NSScreen *primaryScreen(JNIEnv *env) {
 102     NSScreen *primaryScreen = [[NSScreen screens] objectAtIndex:0];
 103     if (primaryScreen != nil) return primaryScreen;
 104     if (env != NULL) [JNFException raise:env as:kRuntimeException reason:"Failed to convert, no screen."];
 105     return nil;
 106 }
 107 
 108 NSPoint ConvertNSScreenPoint(JNIEnv *env, NSPoint point) {
 109     point.y = [primaryScreen(env) frame].size.height - point.y;
 110     return point;
 111 }
 112 
 113 NSRect ConvertNSScreenRect(JNIEnv *env, NSRect rect) {
 114     rect.origin.y = [primaryScreen(env) frame].size.height - rect.origin.y - rect.size.height;
 115     return rect;
 116 }