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com.sun.javafx.tk.Toolkit Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2020, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.javafx.tk;
import javafx.application.ConditionalFeature;
import javafx.beans.property.ReadOnlyObjectProperty;
import javafx.geometry.Dimension2D;
import javafx.scene.Scene;
import javafx.scene.effect.BlurType;
import javafx.scene.image.Image;
import javafx.scene.image.PixelFormat;
import javafx.scene.image.WritableImage;
import javafx.scene.input.Dragboard;
import javafx.scene.input.InputMethodRequests;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.TransferMode;
import javafx.scene.paint.Color;
import javafx.scene.paint.ImagePattern;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Paint;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.PathElement;
import javafx.scene.shape.SVGPath;
import javafx.scene.shape.StrokeLineCap;
import javafx.scene.shape.StrokeLineJoin;
import javafx.scene.shape.StrokeType;
import javafx.stage.FileChooser.ExtensionFilter;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javafx.stage.Window;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import com.sun.glass.ui.CommonDialogs.FileChooserResult;
import com.sun.glass.ui.GlassRobot;
import com.sun.glass.utils.NativeLibLoader;
import com.sun.javafx.PlatformUtil;
import com.sun.javafx.beans.event.AbstractNotifyListener;
import com.sun.javafx.embed.HostInterface;
import com.sun.javafx.geom.Path2D;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.perf.PerformanceTracker;
import com.sun.javafx.runtime.VersionInfo;
import com.sun.javafx.runtime.async.AsyncOperation;
import com.sun.javafx.runtime.async.AsyncOperationListener;
import com.sun.javafx.scene.SceneHelper;
import com.sun.javafx.scene.text.TextLayoutFactory;
import com.sun.javafx.sg.prism.NGCamera;
import com.sun.javafx.sg.prism.NGLightBase;
import com.sun.javafx.sg.prism.NGNode;
import com.sun.javafx.util.Utils;
import com.sun.scenario.DelayedRunnable;
import com.sun.scenario.animation.AbstractMasterTimer;
import com.sun.scenario.effect.AbstractShadow.ShadowMode;
import com.sun.scenario.effect.Color4f;
import com.sun.scenario.effect.FilterContext;
import com.sun.scenario.effect.Filterable;
public abstract class Toolkit {
private static String tk;
private static Toolkit TOOLKIT;
private static Thread fxUserThread = null;
private static final String QUANTUM_TOOLKIT = "com.sun.javafx.tk.quantum.QuantumToolkit";
private static final String DEFAULT_TOOLKIT = QUANTUM_TOOLKIT;
private static final Map gradientMap = new WeakHashMap();
private static final boolean verbose = AccessController.doPrivileged((PrivilegedAction) () -> Boolean.getBoolean("javafx.verbose"));
private static final String[] msLibNames = {
"api-ms-win-core-console-l1-1-0",
"api-ms-win-core-console-l1-2-0",
"api-ms-win-core-datetime-l1-1-0",
"api-ms-win-core-debug-l1-1-0",
"api-ms-win-core-errorhandling-l1-1-0",
"api-ms-win-core-file-l1-1-0",
"api-ms-win-core-file-l1-2-0",
"api-ms-win-core-file-l2-1-0",
"api-ms-win-core-handle-l1-1-0",
"api-ms-win-core-heap-l1-1-0",
"api-ms-win-core-interlocked-l1-1-0",
"api-ms-win-core-libraryloader-l1-1-0",
"api-ms-win-core-localization-l1-2-0",
"api-ms-win-core-memory-l1-1-0",
"api-ms-win-core-namedpipe-l1-1-0",
"api-ms-win-core-processenvironment-l1-1-0",
"api-ms-win-core-processthreads-l1-1-0",
"api-ms-win-core-processthreads-l1-1-1",
"api-ms-win-core-profile-l1-1-0",
"api-ms-win-core-rtlsupport-l1-1-0",
"api-ms-win-core-string-l1-1-0",
"api-ms-win-core-synch-l1-1-0",
"api-ms-win-core-synch-l1-2-0",
"api-ms-win-core-sysinfo-l1-1-0",
"api-ms-win-core-timezone-l1-1-0",
"api-ms-win-core-util-l1-1-0",
"api-ms-win-crt-conio-l1-1-0",
"api-ms-win-crt-convert-l1-1-0",
"api-ms-win-crt-environment-l1-1-0",
"api-ms-win-crt-filesystem-l1-1-0",
"api-ms-win-crt-heap-l1-1-0",
"api-ms-win-crt-locale-l1-1-0",
"api-ms-win-crt-math-l1-1-0",
"api-ms-win-crt-multibyte-l1-1-0",
"api-ms-win-crt-private-l1-1-0",
"api-ms-win-crt-process-l1-1-0",
"api-ms-win-crt-runtime-l1-1-0",
"api-ms-win-crt-stdio-l1-1-0",
"api-ms-win-crt-string-l1-1-0",
"api-ms-win-crt-time-l1-1-0",
"api-ms-win-crt-utility-l1-1-0",
"ucrtbase",
// Finally load VS 2017 DLLs in the following order
"vcruntime140",
"vcruntime140_1",
"msvcp140"
};
private static String lookupToolkitClass(String name) {
if ("prism".equalsIgnoreCase(name)) {
return QUANTUM_TOOLKIT;
} else if ("quantum".equalsIgnoreCase(name)) {
return QUANTUM_TOOLKIT;
}
return name;
}
public static synchronized void loadMSWindowsLibraries() {
for (String libName : msLibNames) {
try {
NativeLibLoader.loadLibrary(libName);
} catch (Throwable t) {
if (verbose) {
System.err.println("Error: failed to load "
+ libName + ".dll : " + t);
}
}
}
}
private static String getDefaultToolkit() {
if (PlatformUtil.isWindows()) {
return DEFAULT_TOOLKIT;
} else if (PlatformUtil.isMac()) {
return DEFAULT_TOOLKIT;
} else if (PlatformUtil.isLinux()) {
return DEFAULT_TOOLKIT;
} else if (PlatformUtil.isIOS()) {
return DEFAULT_TOOLKIT;
} else if (PlatformUtil.isAndroid()) {
return DEFAULT_TOOLKIT;
}
throw new UnsupportedOperationException(System.getProperty("os.name") + " is not supported");
}
public static synchronized Toolkit getToolkit() {
if (TOOLKIT != null) {
return TOOLKIT;
}
AccessController.doPrivileged((PrivilegedAction) () -> {
// Get the javafx.version and javafx.runtime.version from a preconstructed
// java class, VersionInfo, created at build time.
VersionInfo.setupSystemProperties();
return null;
});
// Load required Microsoft runtime DLLs on Windows platforms
if (PlatformUtil.isWindows()) {
loadMSWindowsLibraries();
}
boolean userSpecifiedToolkit = true;
// Check a system property to see if there is a specific toolkit to use.
// This is not a doPriviledged check so that applets cannot use this.
String forcedToolkit = null;
try {
forcedToolkit = System.getProperty("javafx.toolkit");
} catch (SecurityException ex) {}
if (forcedToolkit == null) {
forcedToolkit = tk;
}
if (forcedToolkit == null) {
userSpecifiedToolkit = false;
forcedToolkit = getDefaultToolkit();
}
if (forcedToolkit.indexOf('.') == -1) {
// Turn a short name into a fully qualified classname
forcedToolkit = lookupToolkitClass(forcedToolkit);
}
boolean printToolkit = verbose
|| (userSpecifiedToolkit && !forcedToolkit.endsWith("StubToolkit"));
try {
Class clz = null;
try {
// try our priveledged loader first
final ClassLoader loader = Toolkit.class.getClassLoader();
clz = Class.forName(forcedToolkit, false, loader);
} catch (ClassNotFoundException e) {
// fall back and try the application class loader
final ClassLoader loader = Thread.currentThread().getContextClassLoader();
clz = Class.forName(forcedToolkit, false, loader);
}
// Check that clz is a subclass of Toolkit
if (!Toolkit.class.isAssignableFrom(clz)) {
throw new IllegalArgumentException("Unrecognized FX Toolkit class: "
+ forcedToolkit);
}
TOOLKIT = (Toolkit)clz.newInstance();
if (TOOLKIT.init()) {
if (printToolkit) {
System.err.println("JavaFX: using " + forcedToolkit);
}
return TOOLKIT;
}
TOOLKIT = null;
} catch (Exception any) {
TOOLKIT = null;
any.printStackTrace();
}
throw new RuntimeException("No toolkit found");
}
protected static Thread getFxUserThread() {
return fxUserThread;
}
protected static void setFxUserThread(Thread t) {
if (fxUserThread != null) {
throw new IllegalStateException("Error: FX User Thread already initialized");
}
fxUserThread = t;
}
public void checkFxUserThread() {
// Throw exception if not on FX user thread
if (!isFxUserThread()) {
throw new IllegalStateException("Not on FX application thread; currentThread = "
+ Thread.currentThread().getName());
}
}
// Toolkit can override this if needed
public boolean isFxUserThread() {
return Thread.currentThread() == fxUserThread;
}
protected Toolkit() {
}
public abstract boolean init();
/**
* Indicates whether or not a nested event loop can be started
* from the current thread in the current state. Note that a nested
* event loop is not allowed outside of an event handler.
*
* @return flag indicating whether a nested event loop can be started.
*/
public abstract boolean canStartNestedEventLoop();
/**
* Enter a nested event loop and block until the corresponding
* exitNestedEventLoop call is made.
* The key passed into this method is used to
* uniquely identify the matched enter/exit pair. This method creates a
* new nested event loop and blocks until the corresponding
* exitNestedEventLoop method is called with the same key.
* The return value of this method will be the {@code rval}
* object supplied to the exitNestedEventLoop method call that unblocks it.
*
* @param key the Object that identifies the nested event loop, which
* must not be null
*
* @throws IllegalArgumentException if the specified key is associated
* with a nested event loop that has not yet returned
*
* @throws NullPointerException if the key is null
*
* @throws IllegalStateException if this method is called on a thread
* other than the FX Application thread
*
* @return the value passed into the corresponding call to exitEventLoop
*/
public abstract Object enterNestedEventLoop(Object key);
/**
* Exit a nested event loop and unblock the caller of the
* corresponding enterNestedEventLoop.
* The key passed into this method is used to
* uniquely identify the matched enter/exit pair. This method causes the
* nested event loop that was previously created with the key to exit and
* return control to the caller. If the specified nested event loop is not
* the inner-most loop then it will not return until all other inner loops
* also exit.
*
* @param key the Object that identifies the nested event loop, which
* must not be null
*
* @param rval an Object that is returned to the caller of the
* corresponding enterNestedEventLoop. This may be null.
*
* @throws IllegalArgumentException if the specified key is not associated
* with an active nested event loop
*
* @throws NullPointerException if the key is null
*
* @throws IllegalStateException if this method is called on a thread
* other than the FX Application thread
*/
public abstract void exitNestedEventLoop(Object key, Object rval);
public abstract void exitAllNestedEventLoops();
public abstract boolean isNestedLoopRunning();
public abstract TKStage createTKStage(Window peerWindow, boolean securityDialog, StageStyle stageStyle, boolean primary, Modality modality, TKStage owner, boolean rtl, AccessControlContext acc);
public abstract TKStage createTKPopupStage(Window peerWindow, StageStyle popupStyle, TKStage owner, AccessControlContext acc);
public abstract TKStage createTKEmbeddedStage(HostInterface host, AccessControlContext acc);
/**
* Creates an AppletWindow using the provided window pointer as the parent
* window.
*
* @param parent the native parent which will contain the primary stage
* window(s). Used on Windows/Linux platforms.
*
* @param serverName the name of CARemoteLayerServer which
* will be used to register native layer. Used on Mac platform.
*/
public abstract AppletWindow createAppletWindow(long parent, String serverName);
/**
* Perform cleanup in preparation for applet termination, including closing
* the applet window.
*/
public abstract void closeAppletWindow();
private final Map stagePulseListeners =
new WeakHashMap();
private final Map scenePulseListeners =
new WeakHashMap();
private final Map postScenePulseListeners =
new WeakHashMap();
private final Map toolkitListeners =
new WeakHashMap();
// The set of shutdown hooks is strongly held to avoid premature GC.
private final Set shutdownHooks = new HashSet();
private void runPulse(final TKPulseListener listener,
final AccessControlContext acc) {
if (acc == null) {
throw new IllegalStateException("Invalid AccessControlContext");
}
AccessController.doPrivileged((PrivilegedAction) () -> {
listener.pulse();
return null;
}, acc);
}
public void firePulse() {
// Stages need to be notified of pulses before scenes so the Stage can resized
// and those changes propogated to scene before it gets its pulse to update
// Copy of listener map
final Map stagePulseList =
new WeakHashMap();
final Map scenePulseList =
new WeakHashMap();
final Map postScenePulseList =
new WeakHashMap();
synchronized (this) {
stagePulseList.putAll(stagePulseListeners);
scenePulseList.putAll(scenePulseListeners);
postScenePulseList.putAll(postScenePulseListeners);
}
for (Map.Entry entry : stagePulseList.entrySet()) {
runPulse(entry.getKey(), entry.getValue());
}
for (Map.Entry entry : scenePulseList.entrySet()) {
runPulse(entry.getKey(), entry.getValue());
}
for (Map.Entry entry : postScenePulseList.entrySet()) {
runPulse(entry.getKey(), entry.getValue());
}
if (lastTkPulseListener != null) {
runPulse(lastTkPulseListener, lastTkPulseAcc);
}
}
public void addStageTkPulseListener(TKPulseListener listener) {
if (listener == null) {
return;
}
synchronized (this) {
AccessControlContext acc = AccessController.getContext();
stagePulseListeners.put(listener, acc);
}
}
public void removeStageTkPulseListener(TKPulseListener listener) {
synchronized (this) {
stagePulseListeners.remove(listener);
}
}
public void addSceneTkPulseListener(TKPulseListener listener) {
if (listener == null) {
return;
}
synchronized (this) {
AccessControlContext acc = AccessController.getContext();
scenePulseListeners.put(listener, acc);
}
}
public void removeSceneTkPulseListener(TKPulseListener listener) {
synchronized (this) {
scenePulseListeners.remove(listener);
}
}
public void addPostSceneTkPulseListener(TKPulseListener listener) {
if (listener == null) {
return;
}
synchronized (this) {
AccessControlContext acc = AccessController.getContext();
postScenePulseListeners.put(listener, acc);
}
}
public void removePostSceneTkPulseListener(TKPulseListener listener) {
synchronized (this) {
postScenePulseListeners.remove(listener);
}
}
public void addTkListener(TKListener listener) {
if (listener == null) {
return;
}
AccessControlContext acc = AccessController.getContext();
toolkitListeners.put(listener, acc);
}
public void removeTkListener(TKListener listener) {
toolkitListeners.remove(listener);
}
private TKPulseListener lastTkPulseListener = null;
private AccessControlContext lastTkPulseAcc = null;
public void setLastTkPulseListener(TKPulseListener listener) {
lastTkPulseAcc = AccessController.getContext();
lastTkPulseListener = listener;
}
public void addShutdownHook(Runnable hook) {
if (hook == null) {
return;
}
synchronized (shutdownHooks) {
shutdownHooks.add(hook);
}
}
public void removeShutdownHook(Runnable hook) {
synchronized (shutdownHooks) {
shutdownHooks.remove(hook);
}
}
protected void notifyShutdownHooks() {
List hooks;
synchronized (shutdownHooks) {
hooks = new ArrayList(shutdownHooks);
shutdownHooks.clear();
}
for (Runnable hook : hooks) {
hook.run();
}
}
public void notifyWindowListeners(final List windows) {
for (Map.Entry entry : toolkitListeners.entrySet()) {
final TKListener listener = entry.getKey();
final AccessControlContext acc = entry.getValue();
if (acc == null) {
throw new IllegalStateException("Invalid AccessControlContext");
}
AccessController.doPrivileged((PrivilegedAction) () -> {
listener.changedTopLevelWindows(windows);
return null;
}, acc);
}
}
public void notifyLastNestedLoopExited() {
for (TKListener listener: toolkitListeners.keySet()) {
listener.exitedLastNestedLoop();
}
}
// notify the pulse timer code that we need the next pulse to happen
// this flag is cleared each cycle so subsequent pulses must be requested
public abstract void requestNextPulse();
public abstract Future addRenderJob(RenderJob rj);
public abstract ImageLoader loadImage(String url,
double width, double height,
boolean preserveRatio,
boolean smooth);
public abstract ImageLoader loadImage(InputStream stream,
double width, double height,
boolean preserveRatio,
boolean smooth);
public abstract AsyncOperation loadImageAsync(
AsyncOperationListener listener,
String url,
double width, double height,
boolean preserveRatio,
boolean smooth);
/*
* The loadPlatformImage method supports the following image types:
* - an object returned by the renderToImage method
* - an instance of com.sun.prism.Image (in case of prism)
* - an instance of an external image object, which can be a BufferedImage
* If JavaFX Image had one more constructor Image(ImageLoader),
* we could introduce a different method for external image loading support.
*/
public abstract ImageLoader loadPlatformImage(Object platformImage);
public abstract PlatformImage createPlatformImage(int w, int h);
// Indicates the default state of smooth for ImageView and MediaView
// Subclasses may override this to provide a platform-specific default
public boolean getDefaultImageSmooth() { return true; }
public abstract void startup(Runnable runnable);
public abstract void defer(Runnable runnable);
public void exit() {
fxUserThread = null;
}
public abstract Map getContextMap();
public abstract int getRefreshRate();
public abstract void setAnimationRunnable(DelayedRunnable animationRunnable);
public abstract PerformanceTracker getPerformanceTracker();
public abstract PerformanceTracker createPerformanceTracker();
//to be used for testing only
public abstract void waitFor(Task t);
private Object checkSingleColor(List stops) {
if (stops.size() == 2) {
Color c = stops.get(0).getColor();
if (c.equals(stops.get(1).getColor())) {
return Toolkit.getPaintAccessor().getPlatformPaint(c);
}
}
return null;
}
private Object getPaint(LinearGradient paint) {
Object p = gradientMap.get(paint);
if (p != null) {
return p;
}
p = checkSingleColor(paint.getStops());
if (p == null) {
p = createLinearGradientPaint(paint);
}
gradientMap.put(paint, p);
return p;
}
private Object getPaint(RadialGradient paint) {
Object p = gradientMap.get(paint);
if (p != null) {
return p;
}
p = checkSingleColor(paint.getStops());
if (p == null) {
p = createRadialGradientPaint(paint);
}
gradientMap.put(paint, p);
return p;
}
public Object getPaint(Paint paint) {
if (paint instanceof Color) {
return createColorPaint((Color) paint);
}
if (paint instanceof LinearGradient) {
return getPaint((LinearGradient) paint);
}
if (paint instanceof RadialGradient) {
return getPaint((RadialGradient) paint);
}
if (paint instanceof ImagePattern) {
return createImagePatternPaint((ImagePattern) paint);
}
return null;
}
protected static final double clampStopOffset(double offset) {
return (offset > 1.0) ? 1.0 :
(offset < 0.0) ? 0.0 : offset;
}
protected abstract Object createColorPaint(Color paint);
protected abstract Object createLinearGradientPaint(LinearGradient paint);
protected abstract Object createRadialGradientPaint(RadialGradient paint);
protected abstract Object createImagePatternPaint(ImagePattern paint);
public abstract void
accumulateStrokeBounds(com.sun.javafx.geom.Shape shape,
float bbox[],
StrokeType type,
double strokewidth,
StrokeLineCap cap,
StrokeLineJoin join,
float miterLimit,
BaseTransform tx);
public abstract boolean
strokeContains(com.sun.javafx.geom.Shape shape,
double x, double y,
StrokeType type,
double strokewidth,
StrokeLineCap cap,
StrokeLineJoin join,
float miterLimit);
public abstract com.sun.javafx.geom.Shape
createStrokedShape(com.sun.javafx.geom.Shape shape,
StrokeType type,
double strokewidth,
StrokeLineCap cap,
StrokeLineJoin join,
float miterLimit,
float[] dashArray,
float dashOffset);
public abstract int getKeyCodeForChar(String character);
public abstract Dimension2D getBestCursorSize(int preferredWidth, int preferredHeight);
public abstract int getMaximumCursorColors();
public abstract PathElement[] convertShapeToFXPath(Object shape);
public abstract Filterable toFilterable(Image img);
public abstract FilterContext getFilterContext(Object config);
public abstract boolean isForwardTraversalKey(KeyEvent e);
public abstract boolean isBackwardTraversalKey(KeyEvent e);
public abstract AbstractMasterTimer getMasterTimer();
public abstract FontLoader getFontLoader();
public abstract TextLayoutFactory getTextLayoutFactory();
public abstract Object createSVGPathObject(SVGPath svgpath);
public abstract Path2D createSVGPath2D(SVGPath svgpath);
/**
* Tests whether the pixel on the given coordinates in the given image
* is non-empty (not fully transparent). Return value is not defined
* for pixels out of the image bounds.
*/
public abstract boolean imageContains(Object image, float x, float y);
public abstract TKClipboard getSystemClipboard();
public TKClipboard createLocalClipboard() {
return new LocalClipboard();
}
public abstract TKSystemMenu getSystemMenu();
public abstract TKClipboard getNamedClipboard(String name);
public boolean isSupported(ConditionalFeature feature) { return false; }
public boolean isMSAASupported() { return false; }
public abstract ScreenConfigurationAccessor setScreenConfigurationListener(TKScreenConfigurationListener listener);
public abstract Object getPrimaryScreen();
public abstract List getScreens();
public abstract ScreenConfigurationAccessor getScreenConfigurationAccessor();
public abstract void registerDragGestureListener(TKScene s, Set tm, TKDragGestureListener l);
/**
* This function is called when a drag originates within a JavaFX application.
* This means that drags that originate in other applications / from the OS
* do not call this function.
* The argument o represents an object used to identify a scene on which
* the drag has started.
*/
public abstract void startDrag(TKScene scene, Set tm, TKDragSourceListener l, Dragboard dragboard);
// template function which can be implemented by toolkit impls such that they
// can be informed when a drag and drop operation has completed. This allows
// for any cleanup that may need to be done.
public void stopDrag(Dragboard dragboard) {
// no-op
}
public abstract void enableDrop(TKScene s, TKDropTargetListener l);
public interface Task {
boolean isFinished();
}
public Color4f toColor4f(Color color) {
return new Color4f((float)color.getRed(), (float)color.getGreen(), (float)color.getBlue(), (float)color.getOpacity());
}
public ShadowMode toShadowMode(BlurType blurType) {
switch (blurType) {
case ONE_PASS_BOX:
return ShadowMode.ONE_PASS_BOX;
case TWO_PASS_BOX:
return ShadowMode.TWO_PASS_BOX;
case THREE_PASS_BOX:
return ShadowMode.THREE_PASS_BOX;
default:
return ShadowMode.GAUSSIAN;
}
}
public abstract void installInputMethodRequests(TKScene scene, InputMethodRequests requests);
/*
* ImageRenderingContext holds the many parameters passed to
* the renderToImage method.
* The use of the parameters is specified by the renderToImage
* method.
* @see #renderToImage
*/
public static class ImageRenderingContext {
// Node to be rendered
public NGNode root;
// Viewport for rendering
public int x;
public int y;
public int width;
public int height;
// Initial transform for root node
public BaseTransform transform;
// Rendering parameters either from Scene or SnapShotParams
public boolean depthBuffer;
public Object platformPaint;
public NGCamera camera;
public NGLightBase[] lights;
// PlatformImage into which to render or null
public Object platformImage;
}
/*
* This method renders a PG-graph to a platform image object.
* The returned object can be turned into a useable
* scene graph image using the appropriate factor of the
* Image class.
* The scale specified in the params is used to scale the
* entire rendering before any transforms in the nodes are
* applied.
* The width and height specified in the params represent
* the user space dimensions to be rendered. The returned
* image will be large enough to hold these dimensions
* scaled by the scale parameter.
* The depthBuffer specified in the params is used to determine
* with or without depthBuffer rendering should be performed.
* The root node is the root of a tree of toolkit-specific
* scene graph peer nodes to be rendered and should have
* been previously created by this toolkit.
* The platformPaint specified in the params must be
* generated by the appropriate Toolkit.createPaint method
* and is used to fill the background of the image before
* rendering the scene graph.
* The platformImage specified in the params may be non-null
* and should be a previous return value from this method.
* If it is non-null then it may be reused as the return value
* of this method if it is still valid and large enough to
* hold the requested size.
*
* @param context a ImageRenderingContext instance specifying
* the various rendering parameters
* @return a platform specific image object
* @see Toolkit.getImageAccessor().fromPlatformImage
*/
public abstract Object renderToImage(ImageRenderingContext context);
/**
* Returns the key code for the key which is commonly used on the
* corresponding platform as a modifier key in shortcuts. For example
* it is {@code KeyCode.CONTROL} on Windows (Ctrl + C, Ctrl + V ...) and
* {@code KeyCode.META} on MacOS (Cmd + C, Cmd + V ...).
*
* @return the key code for shortcut modifier key
*/
public KeyCode getPlatformShortcutKey() {
return PlatformUtil.isMac() ? KeyCode.META : KeyCode.CONTROL;
}
public abstract FileChooserResult showFileChooser(
TKStage ownerWindow,
String title,
File initialDirectory,
String initialFileName,
FileChooserType fileChooserType,
List extensionFilters,
ExtensionFilter selectedFilter);
public abstract File showDirectoryChooser(
TKStage ownerWindow,
String title,
File initialDirectory);
/*
* Methods for obtaining "double-click" speed value.
*/
public abstract long getMultiClickTime();
public abstract int getMultiClickMaxX();
public abstract int getMultiClickMaxY();
private CountDownLatch pauseScenesLatch = null;
public interface WritableImageAccessor {
public void loadTkImage(WritableImage wimg, Object loader);
public Object getTkImageLoader(WritableImage wimg);
}
private static WritableImageAccessor writableImageAccessor = null;
public static void setWritableImageAccessor(WritableImageAccessor accessor) {
writableImageAccessor = accessor;
}
public static WritableImageAccessor getWritableImageAccessor() {
return writableImageAccessor;
}
public interface PaintAccessor {
public boolean isMutable(Paint paint);
public Object getPlatformPaint(Paint paint);
public void addListener(Paint paint, AbstractNotifyListener platformChangeListener);
public void removeListener(Paint paint, AbstractNotifyListener platformChangeListener);
}
private static PaintAccessor paintAccessor = null;
public static void setPaintAccessor(PaintAccessor accessor) {
paintAccessor = accessor;
}
public static PaintAccessor getPaintAccessor() {
return paintAccessor;
}
public interface ImageAccessor {
public boolean isAnimation(Image image);
public ReadOnlyObjectPropertygetImageProperty(Image image);
public int[] getPreColors(PixelFormat pf);
public int[] getNonPreColors(PixelFormat pf);
public Object getPlatformImage(Image image);
public Image fromPlatformImage(Object image);
}
private static ImageAccessor imageAccessor;
static {
// Need to ensure that the Image class is loaded since Toolkit class
// is the provider of getImageAccessor method and sets the accessor.
Utils.forceInit(Image.class);
}
public static void setImageAccessor(ImageAccessor accessor) {
imageAccessor = accessor;
}
public static ImageAccessor getImageAccessor() {
return imageAccessor;
}
public String getThemeName() {
return null;
}
public abstract GlassRobot createRobot();
}
