diff options
Diffstat (limited to 'src/newt/classes/jogamp/newt/PointerIconImpl.java')
| -rw-r--r-- | src/newt/classes/jogamp/newt/PointerIconImpl.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/newt/classes/jogamp/newt/PointerIconImpl.java b/src/newt/classes/jogamp/newt/PointerIconImpl.java new file mode 100644 index 000000000..840799d55 --- /dev/null +++ b/src/newt/classes/jogamp/newt/PointerIconImpl.java @@ -0,0 +1,171 @@ +/** + * Copyright 2013 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package jogamp.newt; + +import java.nio.ByteBuffer; + +import javax.media.nativewindow.util.DimensionImmutable; +import javax.media.nativewindow.util.PixelFormat; +import javax.media.nativewindow.util.PixelRectangle; +import javax.media.nativewindow.util.PointImmutable; + +import com.jogamp.newt.Display; +import com.jogamp.newt.Display.PointerIcon; + +public class PointerIconImpl implements PointerIcon { + private final DisplayImpl display; + private final PixelFormat pixelformat; + private final DimensionImmutable size; + private final ByteBuffer pixels; + private final PointImmutable hotspot; + private long handle; + private int hashCode = 0; + private volatile boolean hashCodeComputed = false; + + public PointerIconImpl(final DisplayImpl display, final PixelFormat pixelformat, final DimensionImmutable size, final ByteBuffer pixels, final PointImmutable hotspot, final long handle) { + this.display = display; + this.pixelformat = pixelformat; + this.size = size; + this.pixels = pixels; + this.hotspot = hotspot; + + this.handle=handle; + } + public PointerIconImpl(final DisplayImpl display, final PixelRectangle pixelrect, final PointImmutable hotspot, final long handle) { + this.display = display; + this.pixelformat = pixelrect.getPixelformat(); + this.size = pixelrect.getSize(); + this.pixels = pixelrect.getPixels(); + this.hotspot = hotspot; + this.handle=handle; + } + + @Override + public int hashCode() { + if( !hashCodeComputed ) { // DBL CHECKED OK VOLATILE + synchronized (this) { + if( !hashCodeComputed ) { + // 31 * x == (x << 5) - x + int hash = 31 + display.getFQName().hashCode(); + hash = ((hash << 5) - hash) + pixelformat.hashCode(); + hash = ((hash << 5) - hash) + size.hashCode(); + hash = ((hash << 5) - hash) + getStride(); + hash = ((hash << 5) - hash) + ( isGLOriented() ? 1 : 0); + hash = ((hash << 5) - hash) + pixels.hashCode(); + hashCode = ((hash << 5) - hash) + hotspot.hashCode(); + } + } + } + return hashCode; + } + + public synchronized final long getHandle() { return handle; } + public synchronized final long validatedHandle() { + synchronized(display.pointerIconList) { + if( !display.pointerIconList.contains(this) ) { + display.pointerIconList.add(this); + } + } + if( 0 == handle ) { + try { + handle = display.createPointerIconImpl(pixelformat, size.getWidth(), size.getHeight(), pixels, hotspot.getX(), hotspot.getY()); + return handle; + } catch (Exception e) { + e.printStackTrace(); + return 0; + } + } else { + return handle; + } + } + @Override + public final Display getDisplay() { return display; } + @Override + public final PixelFormat getPixelformat() { return pixelformat; } + @Override + public final ByteBuffer getPixels() { return pixels; } + @Override + public synchronized final boolean isValid() { return 0 != handle; } + @Override + public synchronized final boolean validate() { + if( 0 == handle ) { + return 0 != validatedHandle(); + } + return true; + } + + @Override + public synchronized void destroy() { + if(DisplayImpl.DEBUG) { + System.err.println("PointerIcon.destroy: "+this+", "+display+", "+DisplayImpl.getThreadName()); + } + if( 0 != handle ) { + synchronized(display.pointerIconList) { + display.pointerIconList.remove(this); + } + display.runOnEDTIfAvail(false, new Runnable() { + public void run() { + if( !display.isNativeValidAsync() ) { + destroyOnEDT(display.getHandle()); + } + } } ); + } + } + + /** No checks, assume execution on EDT */ + synchronized void destroyOnEDT(final long dpy) { + final long h = handle; + handle = 0; + try { + display.destroyPointerIconImpl(dpy, h); + } catch (Exception e) { + e.printStackTrace(); + } + } + + @Override + public final DimensionImmutable getSize() { + return size; + } + @Override + public final int getStride() { + return size.getWidth() * pixelformat.bytesPerPixel(); + } + @Override + public final boolean isGLOriented() { + return false; + } + @Override + public final PointImmutable getHotspot() { + return hotspot; + } + @Override + public final String toString() { + return "PointerIcon[obj 0x"+Integer.toHexString(super.hashCode())+", "+display.getFQName()+", 0x"+Long.toHexString(handle)+", "+pixelformat+", "+size+", "+hotspot+", pixels "+pixels+"]"; + } +}
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