javafx.scene.SnapshotParameters Maven / Gradle / Ivy
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package javafx.scene;
import javafx.application.ConditionalFeature;
import javafx.application.Platform;
import javafx.geometry.Rectangle2D;
import javafx.scene.paint.Paint;
import javafx.scene.transform.Transform;
import com.sun.javafx.logging.PlatformLogger;
/**
* Parameters used to specify the rendering attributes for Node snapshot.
* @since JavaFX 2.2
*/
public class SnapshotParameters {
private boolean depthBuffer;
private Camera camera;
private Transform transform;
private Paint fill;
private Rectangle2D viewport;
/**
* Constructs a new SnapshotParameters object with default values for
* all rendering attributes.
*/
public SnapshotParameters() {
}
/**
* Gets the current depthBuffer flag.
*
* @return the depthBuffer flag
*/
public boolean isDepthBuffer() {
return depthBuffer;
}
boolean isDepthBufferInternal() {
if(!Platform.isSupported(ConditionalFeature.SCENE3D)) {
return false;
}
return depthBuffer;
}
/**
* Sets the depthBuffer flag to the specified value.
* The default value is false.
*
* Note that this is a conditional feature. See
* {@link javafx.application.ConditionalFeature#SCENE3D ConditionalFeature.SCENE3D}
*
* @param depthBuffer the depthBuffer to set
*/
public void setDepthBuffer(boolean depthBuffer) {
if (depthBuffer && !Platform.isSupported(ConditionalFeature.SCENE3D)) {
String logname = SnapshotParameters.class.getName();
PlatformLogger.getLogger(logname).warning("System can't support "
+ "ConditionalFeature.SCENE3D");
}
this.depthBuffer = depthBuffer;
}
/**
* Gets the current camera.
*
* @return the camera
*/
public Camera getCamera() {
return camera;
}
Camera defaultCamera;
Camera getEffectiveCamera() {
if (camera instanceof PerspectiveCamera
&& !Platform.isSupported(ConditionalFeature.SCENE3D)) {
if (defaultCamera == null) {
// According to Scene.doSnapshot, temporarily, it adjusts camera
// viewport to the snapshot size. So, its viewport doesn't matter.
defaultCamera = new ParallelCamera();
}
return defaultCamera;
}
return camera;
}
/**
* Sets the camera to the specified value.
* The default value is null, which means a ParallelCamera will be used.
*
* @param camera the camera to set
*/
public void setCamera(Camera camera) {
if (camera instanceof PerspectiveCamera
&& !Platform.isSupported(ConditionalFeature.SCENE3D)) {
String logname = SnapshotParameters.class.getName();
PlatformLogger.getLogger(logname).warning("System can't support "
+ "ConditionalFeature.SCENE3D");
}
this.camera = camera;
}
/**
* Gets the current transform.
*
* @return the transform
*/
public Transform getTransform() {
return transform;
}
/**
* Sets the transform to the specified value. This transform is applied to
* the node being rendered before any local transforms are applied.
* A value of null indicates that the identity transform should be used.
* The default value is null.
*
* @param transform the transform to set
*/
public void setTransform(Transform transform) {
this.transform = transform;
}
/**
* Gets the current fill.
*
* @return the fill
*/
public Paint getFill() {
return fill;
}
/**
* Sets the fill to the specified value. This is used to fill the entire
* image being rendered prior to rendering the node. A value of null
* indicates that the color white should be used for the fill.
* The default value is null.
*
* @param fill the fill to set
*/
public void setFill(Paint fill) {
this.fill = fill;
}
/**
* Gets the current viewport
*
* @return the viewport
*/
public Rectangle2D getViewport() {
return viewport;
}
/**
* Sets the viewport used for rendering.
* The viewport is specified in the parent coordinate system of the
* node being rendered. It is not transformed by the transform
* of this SnapshotParameters.
* If this viewport is non-null it is used instead of the bounds of the
* node being rendered and specifies the source rectangle that will be
* rendered into the image.
* In this case, the upper-left pixel of the viewport will map to
* the upper-left pixel (0,0)
* in the rendered image.
* If the viewport is null, then the entire area of the node defined
* by its boundsInParent, after first applying the
* transform of this SnapshotParameters, will be rendered.
* The default value is null.
*
* @param viewport the viewport to set
*/
public void setViewport(Rectangle2D viewport) {
this.viewport = viewport;
}
/**
* Returns a deep clone of this SnapshotParameters
*
* @return a clone
*/
SnapshotParameters copy() {
SnapshotParameters params = new SnapshotParameters();
params.camera = camera == null ? null : camera.copy();
params.depthBuffer = depthBuffer;
params.fill = fill;
params.viewport = viewport;
params.transform = transform == null ? null : transform.clone();
return params;
}
}
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