/*
* Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.awt.X11;
import sun.awt.X11CustomCursor;
import java.awt.*;
/**
* A class to encapsulate a custom image-based cursor.
*
* @see Component#setCursor
* @author Thomas Ball
* @author Bino George
*/
public class XCustomCursor extends X11CustomCursor {
public XCustomCursor(Image cursor, Point hotSpot, String name)
throws IndexOutOfBoundsException {
super(cursor, hotSpot, name);
}
/**
* Returns the supported cursor size
*/
static Dimension getBestCursorSize(int preferredWidth, int preferredHeight) {
// Fix for bug 4212593 The Toolkit.createCustomCursor does not
// check absence of the image of cursor
// We use XQueryBestCursor which accepts unsigned ints to obtain
// the largest cursor size that could be dislpayed
//Dimension d = new Dimension(Math.abs(preferredWidth), Math.abs(preferredHeight));
Dimension d;
XToolkit.awtLock();
try {
long display = XToolkit.getDisplay();
long root_window = XlibWrapper.RootWindow(display,
XlibWrapper.DefaultScreen(display));
XlibWrapper.XQueryBestCursor(display,root_window, Math.abs(preferredWidth),Math.abs(preferredHeight),XlibWrapper.larg1,XlibWrapper.larg2);
d = new Dimension(XlibWrapper.unsafe.getInt(XlibWrapper.larg1),XlibWrapper.unsafe.getInt(XlibWrapper.larg2));
}
finally {
XToolkit.awtUnlock();
}
return d;
}
protected void createCursor(byte[] xorMask, byte[] andMask,
int width, int height,
int fcolor, int bcolor,
int xHotSpot, int yHotSpot)
{
XToolkit.awtLock();
try {
long display = XToolkit.getDisplay();
long root_window = XlibWrapper.RootWindow(display,
XlibWrapper.DefaultScreen(display));
long colormap = XToolkit.getDefaultXColormap();
XColor fore_color = new XColor();
fore_color.set_flags((byte) (XConstants.DoRed | XConstants.DoGreen | XConstants.DoBlue));
fore_color.set_red((short)(((fcolor >> 16) & 0x000000ff) << 8));
fore_color.set_green((short) (((fcolor >> 8) & 0x000000ff) << 8));
fore_color.set_blue((short)(((fcolor >> 0) & 0x000000ff) << 8));
XlibWrapper.XAllocColor(display,colormap,fore_color.pData);
XColor back_color = new XColor();
back_color.set_flags((byte) (XConstants.DoRed | XConstants.DoGreen | XConstants.DoBlue));
back_color.set_red((short) (((bcolor >> 16) & 0x000000ff) << 8));
back_color.set_green((short) (((bcolor >> 8) & 0x000000ff) << 8));
back_color.set_blue((short) (((bcolor >> 0) & 0x000000ff) << 8));
XlibWrapper.XAllocColor(display,colormap,back_color.pData);
long nativeXorMask = Native.toData(xorMask);
long source = XlibWrapper.XCreateBitmapFromData(display,root_window,nativeXorMask,width,height);
long nativeAndMask = Native.toData(andMask);
long mask = XlibWrapper.XCreateBitmapFromData(display,root_window,nativeAndMask,width,height);
long cursor = XlibWrapper.XCreatePixmapCursor(display,source,mask,fore_color.pData,back_color.pData,xHotSpot,yHotSpot);
XlibWrapper.unsafe.freeMemory(nativeXorMask);
XlibWrapper.unsafe.freeMemory(nativeAndMask);
XlibWrapper.XFreePixmap(display,source);
XlibWrapper.XFreePixmap(display,mask);
back_color.dispose();
fore_color.dispose();
XGlobalCursorManager.setPData(this,cursor);
}
finally {
XToolkit.awtUnlock();
}
}
}