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src/java.desktop/macosx/classes/sun/lwawt/macosx/CRobot.java

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   1 /*
   2  * Copyright (c) 2011, 2017, 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


 156      * <p>
 157      * Assumes that the
 158      * peer implementations will throw an exception for other bogus
 159      * values e.g. -1, 999999
 160      *
 161      * @param keycode the key to release (e.g. {@code KeyEvent.VK_A})
 162      */
 163     @Override
 164     public void keyRelease(final int keycode) {
 165         keyEvent(keycode, false);
 166     }
 167 
 168     /**
 169      * Returns the color of a pixel at the given screen coordinates.
 170      * @param x X position of pixel
 171      * @param y Y position of pixel
 172      * @return color of the pixel
 173      */
 174     @Override
 175     public int getRGBPixel(int x, int y) {
 176         int c[] = new int[1];
 177         double scale = fDevice.getScaleFactor();
 178         getScreenPixels(new Rectangle(x, y, (int) scale, (int) scale), c);
 179         return c[0];
 180     }
 181 
 182     /**
 183      * Creates an image containing pixels read from the screen.
 184      * @param bounds the rect to capture in screen coordinates
 185      * @return the array of pixels
 186      */
 187     @Override
 188     public int [] getRGBPixels(final Rectangle bounds) {
 189         int c[] = new int[bounds.width * bounds.height];
 190         getScreenPixels(bounds, c);
 191 
 192         return c;
 193     }
 194 
 195     private native void initRobot();
 196     private native void mouseEvent(int displayID, int lastX, int lastY,
 197                                    int buttonsState,
 198                                    boolean isButtonsDownState,
 199                                    boolean isMouseMove);
 200     private native void keyEvent(int javaKeyCode, boolean keydown);
 201     private void getScreenPixels(Rectangle r, int[] pixels){
 202         double scale = fDevice.getScaleFactor();
 203         nativeGetScreenPixels(r.x, r.y, r.width, r.height, scale, pixels);
 204     }
 205     private native void nativeGetScreenPixels(int x, int y, int width, int height, double scale, int[] pixels);
 206 }
   1 /*
   2  * Copyright (c) 2011, 2018, 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


 156      * <p>
 157      * Assumes that the
 158      * peer implementations will throw an exception for other bogus
 159      * values e.g. -1, 999999
 160      *
 161      * @param keycode the key to release (e.g. {@code KeyEvent.VK_A})
 162      */
 163     @Override
 164     public void keyRelease(final int keycode) {
 165         keyEvent(keycode, false);
 166     }
 167 
 168     /**
 169      * Returns the color of a pixel at the given screen coordinates.
 170      * @param x X position of pixel
 171      * @param y Y position of pixel
 172      * @return color of the pixel
 173      */
 174     @Override
 175     public int getRGBPixel(int x, int y) {
 176         int[] c = new int[1];
 177         double scale = fDevice.getScaleFactor();
 178         getScreenPixels(new Rectangle(x, y, (int) scale, (int) scale), c);
 179         return c[0];
 180     }
 181 
 182     /**
 183      * Creates an image containing pixels read from the screen.
 184      * @param bounds the rect to capture in screen coordinates
 185      * @return the array of pixels
 186      */
 187     @Override
 188     public int [] getRGBPixels(final Rectangle bounds) {
 189         int[] c = new int[bounds.width * bounds.height];
 190         getScreenPixels(bounds, c);
 191 
 192         return c;
 193     }
 194 
 195     private native void initRobot();
 196     private native void mouseEvent(int displayID, int lastX, int lastY,
 197                                    int buttonsState,
 198                                    boolean isButtonsDownState,
 199                                    boolean isMouseMove);
 200     private native void keyEvent(int javaKeyCode, boolean keydown);
 201     private void getScreenPixels(Rectangle r, int[] pixels){
 202         double scale = fDevice.getScaleFactor();
 203         nativeGetScreenPixels(r.x, r.y, r.width, r.height, scale, pixels);
 204     }
 205     private native void nativeGetScreenPixels(int x, int y, int width, int height, double scale, int[] pixels);
 206 }
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