javafx.embed.swing.SwingCursors Maven / Gradle / Ivy
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* particular file as subject to the "Classpath" exception as provided
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package javafx.embed.swing;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import com.sun.javafx.cursor.CursorFrame;
import com.sun.javafx.cursor.ImageCursorFrame;
import javafx.scene.image.Image;
/**
* An utility class to translate cursor types between embedded
* application and Swing.
*
*/
class SwingCursors {
private static Cursor createCustomCursor(ImageCursorFrame cursorFrame) {
Toolkit awtToolkit = Toolkit.getDefaultToolkit();
double imageWidth = cursorFrame.getWidth();
double imageHeight = cursorFrame.getHeight();
Dimension nativeSize = awtToolkit.getBestCursorSize((int)imageWidth, (int)imageHeight);
double scaledHotspotX = cursorFrame.getHotspotX() * nativeSize.getWidth() / imageWidth;
double scaledHotspotY = cursorFrame.getHotspotY() * nativeSize.getHeight() / imageHeight;
Point hotspot = new Point((int)scaledHotspotX, (int)scaledHotspotY);
BufferedImage awtImage = SwingFXUtils.fromFXImage(
Image.impl_fromPlatformImage(cursorFrame.getPlatformImage()), null);
return awtToolkit.createCustomCursor(awtImage, hotspot, null);
}
static Cursor embedCursorToCursor(CursorFrame cursorFrame) {
switch (cursorFrame.getCursorType()) {
case DEFAULT:
return Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
case CROSSHAIR:
return Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR);
case TEXT:
return Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR);
case WAIT:
return Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR);
case SW_RESIZE:
return Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR);
case SE_RESIZE:
return Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR);
case NW_RESIZE:
return Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR);
case NE_RESIZE:
return Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR);
case N_RESIZE:
return Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR);
case S_RESIZE:
return Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR);
case W_RESIZE:
return Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR);
case E_RESIZE:
return Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
case OPEN_HAND:
case CLOSED_HAND:
case HAND:
return Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
case MOVE:
return Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR);
// Not implemented, use default cursor instead
case DISAPPEAR:
case H_RESIZE:
case V_RESIZE:
return Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
case NONE:
return null;
case IMAGE:
return createCustomCursor((ImageCursorFrame) cursorFrame);
}
return Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
}
}