javafx.scene.effect.ImageInput Maven / Gradle / Ivy
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package javafx.scene.effect;
import javafx.beans.Observable;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.DoublePropertyBase;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ObjectPropertyBase;
import javafx.scene.Node;
import javafx.scene.image.Image;
import com.sun.javafx.beans.event.AbstractNotifyListener;
import com.sun.javafx.effect.EffectDirtyBits;
import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.RectBounds;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.scene.BoundsAccessor;
import com.sun.javafx.tk.Toolkit;
/**
* A type of source effect that simply passes the given {@code Image}
* through, unmodified, as an input to another {@code Effect}.
* @since JavaFX 2.0
*/
public class ImageInput extends Effect {
/**
* Creates a new instance of ImageInput with default parameters.
*/
public ImageInput() {}
/**
* Creates a new instance of ImageInput with the specified source.
* @param source the source {@code Image}.
* @since JavaFX 2.1
*/
public ImageInput(Image source) {
setSource(source);
}
/**
* Creates a new instance of ImageInput with the specified source, x and y.
* @param source the source {@code Image}.
* @param x the x location of the source image
* @param y the y location of the source image
* @since JavaFX 2.1
*/
public ImageInput(Image source, double x, double y) {
setSource(source);
setX(x);
setY(y);
}
@Override
com.sun.scenario.effect.Identity createPeer() {
return new com.sun.scenario.effect.Identity(null);
};
/**
* The source {@code Image}.
*/
private ObjectProperty source;
public final void setSource(Image value) {
sourceProperty().set(value);
}
public final Image getSource() {
return source == null ? null : source.get();
}
private final AbstractNotifyListener platformImageChangeListener =
new AbstractNotifyListener() {
@Override
public void invalidated(Observable valueModel) {
markDirty(EffectDirtyBits.EFFECT_DIRTY);
effectBoundsChanged();
}
};
private Image oldImage;
public final ObjectProperty sourceProperty() {
if (source == null) {
source = new ObjectPropertyBase() {
private boolean needsListeners = false;
@Override
public void invalidated() {
Image _image = get();
Toolkit.ImageAccessor accessor = Toolkit.getImageAccessor();
if (needsListeners) {
accessor.getImageProperty(oldImage).
removeListener(platformImageChangeListener.getWeakListener());
}
needsListeners = _image != null && (accessor.isAnimation(_image) ||
_image.getProgress() < 1);
oldImage = _image;
if (needsListeners) {
accessor.getImageProperty(_image).
addListener(platformImageChangeListener.getWeakListener());
}
markDirty(EffectDirtyBits.EFFECT_DIRTY);
effectBoundsChanged();
}
@Override
public Object getBean() {
return ImageInput.this;
}
@Override
public String getName() {
return "source";
}
};
}
return source;
}
/**
* Sets the x location of the source image, relative to the
* local coordinate space of the content {@code Node}.
*
* Min: n/a
* Max: n/a
* Default: 0.0
* Identity: 0.0
*
* @defaultValue 0.0
*/
private DoubleProperty x;
public final void setX(double value) {
xProperty().set(value);
}
public final double getX() {
return x == null ? 0.0 : x.get();
}
public final DoubleProperty xProperty() {
if (x == null) {
x = new DoublePropertyBase() {
@Override
public void invalidated() {
markDirty(EffectDirtyBits.EFFECT_DIRTY);
effectBoundsChanged();
}
@Override
public Object getBean() {
return ImageInput.this;
}
@Override
public String getName() {
return "x";
}
};
}
return x;
}
/**
* Sets the y location of the source image, relative to the
* local coordinate space of the content {@code Node}.
*
* Min: n/a
* Max: n/a
* Default: 0.0
* Identity: 0.0
*
* @defaultValue 0.0
*/
private DoubleProperty y;
public final void setY(double value) {
yProperty().set(value);
}
public final double getY() {
return y == null ? 0.0 : y.get();
}
public final DoubleProperty yProperty() {
if (y == null) {
y = new DoublePropertyBase() {
@Override
public void invalidated() {
markDirty(EffectDirtyBits.EFFECT_DIRTY);
effectBoundsChanged();
}
@Override
public Object getBean() {
return ImageInput.this;
}
@Override
public String getName() {
return "y";
}
};
}
return y;
}
@Override
void update() {
com.sun.scenario.effect.Identity peer =
(com.sun.scenario.effect.Identity) getPeer();
Image localSource = getSource();
if (localSource != null && Toolkit.getImageAccessor().getPlatformImage(localSource) != null) {
peer.setSource(Toolkit.getToolkit().toFilterable(localSource));
} else {
peer.setSource(null);
}
peer.setLocation(new com.sun.javafx.geom.Point2D((float)getX(), (float)getY()));
}
@Override
boolean checkChainContains(Effect e) {
return false;
}
@Override
BaseBounds getBounds(BaseBounds bounds,
BaseTransform tx,
Node node,
BoundsAccessor boundsAccessor) {
Image localSource = getSource();
if (localSource != null && Toolkit.getImageAccessor().getPlatformImage(localSource) != null) {
float localX = (float) getX();
float localY = (float) getY();
float localWidth = (float) localSource.getWidth();
float localHeight = (float) localSource.getHeight();
BaseBounds r = new RectBounds(
localX, localY,
localX + localWidth, localY + localHeight);
return transformBounds(tx, r);
} else {
return new RectBounds();
}
}
@Override
Effect copy() {
return new ImageInput(this.getSource(), this.getX(), this.getY());
}
}
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