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/*
 * Copyright (c) 2010, 2013, 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 javafx.scene.effect;

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 com.sun.javafx.Utils;
import com.sun.javafx.effect.EffectDirtyBits;
import com.sun.javafx.effect.EffectUtils;
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.scenario.effect.Blend.Mode;


/**
 * An effect that blends the two inputs together using one of the
 * pre-defined {@link BlendMode}s.
 *
 * 

* Example: *


 * Blend blend = new Blend();
 * blend.setMode(BlendMode.COLOR_BURN);
 *
 * ColorInput colorInput = new ColorInput();
 * colorInput.setPaint(Color.STEELBLUE);
 * colorInput.setX(10);
 * colorInput.setY(10);
 * colorInput.setWidth(100);
 * colorInput.setHeight(180);
 *
 * blend.setTopInput(colorInput);
 *
 * Rectangle rect = new Rectangle();
 * rect.setWidth(220);
 * rect.setHeight(100);
 * Stop[] stops = new Stop[]{new Stop(0, Color.LIGHTSTEELBLUE), new Stop(1, Color.PALEGREEN)};
 * LinearGradient lg = new LinearGradient(0, 0, 0.25, 0.25, true, CycleMethod.REFLECT, stops);
 * rect.setFill(lg);
 *
 * Text text = new Text();
 * text.setX(15);
 * text.setY(65);
 * text.setFill(Color.PALEVIOLETRED);
 * text.setText("COLOR_BURN");
 * text.setFont(Font.font(null, FontWeight.BOLD, 30));
 *
 * Group g = new Group();
 * g.setEffect(blend);
 * g.getChildren().addAll(rect, text);
 * 
* *

The code above produces the following:

*

* @since JavaFX 2.0 */ public class Blend extends Effect { static private Mode toPGMode(BlendMode mode) { if (mode == null) { return Mode.SRC_OVER; // Default value } else if (mode == BlendMode.SRC_OVER) { return Mode.SRC_OVER; } else if (mode == BlendMode.SRC_ATOP) { return Mode.SRC_ATOP; } else if (mode == BlendMode.ADD) { return Mode.ADD; } else if (mode == BlendMode.MULTIPLY) { return Mode.MULTIPLY; } else if (mode == BlendMode.SCREEN) { return Mode.SCREEN; } else if (mode == BlendMode.OVERLAY) { return Mode.OVERLAY; } else if (mode == BlendMode.DARKEN) { return Mode.DARKEN; } else if (mode == BlendMode.LIGHTEN) { return Mode.LIGHTEN; } else if (mode == BlendMode.COLOR_DODGE) { return Mode.COLOR_DODGE; } else if (mode == BlendMode.COLOR_BURN) { return Mode.COLOR_BURN; } else if (mode == BlendMode.HARD_LIGHT) { return Mode.HARD_LIGHT; } else if (mode == BlendMode.SOFT_LIGHT) { return Mode.SOFT_LIGHT; } else if (mode == BlendMode.DIFFERENCE) { return Mode.DIFFERENCE; } else if (mode == BlendMode.EXCLUSION) { return Mode.EXCLUSION; } else if (mode == BlendMode.RED) { return Mode.RED; } else if (mode == BlendMode.GREEN) { return Mode.GREEN; } else if (mode == BlendMode.BLUE) { return Mode.BLUE; } else { throw new java.lang.AssertionError("Unrecognized blend mode: {mode}"); } } /** * Used by Group to convert the FX BlendMode enum value into a Decora value. * @treatAsPrivate implementation detail * @deprecated This is an internal API that is not intended for use and will be removed in the next version */ @Deprecated public static Mode impl_getToolkitMode(BlendMode mode) { return toPGMode(mode); } /** * Creates a new instance of Blend with default parameters. */ public Blend() {} /** * Creates a new instance of Blend with the specified mode. * @param mode the {@code BlendMode} used to blend the two inputs together * @since JavaFX 2.1 */ public Blend(BlendMode mode) { setMode(mode); } /** * Creates a new instance of Blend with the specified mode and bottom * and top inputs. * @param mode the {@code BlendMode} used to blend the two inputs together * @param bottomInput the bottom input for this {@code Blend} operation * @param topInput the top input for this {@code Blend} operation * @since JavaFX 2.1 */ public Blend(BlendMode mode, Effect bottomInput, Effect topInput) { setMode(mode); setBottomInput(bottomInput); setTopInput(topInput); } @Override com.sun.scenario.effect.Blend impl_createImpl() { return new com.sun.scenario.effect.Blend( toPGMode(BlendMode.SRC_OVER), com.sun.scenario.effect.Effect.DefaultInput, com.sun.scenario.effect.Effect.DefaultInput); } /** * The {@code BlendMode} used to blend the two inputs together. *
     *       Min: n/a
     *       Max: n/a
     *   Default: BlendMode.SRC_OVER
     *  Identity: n/a
     * 
* @defaultValue SRC_OVER */ private ObjectProperty mode; public final void setMode(BlendMode value) { modeProperty().set(value); } public final BlendMode getMode() { return mode == null ? BlendMode.SRC_OVER : mode.get(); } public final ObjectProperty modeProperty() { if (mode == null) { mode = new ObjectPropertyBase(BlendMode.SRC_OVER) { @Override public void invalidated() { markDirty(EffectDirtyBits.EFFECT_DIRTY); } @Override public Object getBean() { return Blend.this; } @Override public String getName() { return "mode"; } }; } return mode; } /** * The opacity value, which is modulated with the top input prior * to blending. *
     *       Min: 0.0
     *       Max: 1.0
     *   Default: 1.0
     *  Identity: 1.0
     * 
* @defaultValue 1.0 */ private DoubleProperty opacity; public final void setOpacity(double value) { opacityProperty().set(value); } public final double getOpacity() { return opacity == null ? 1 : opacity.get(); } public final DoubleProperty opacityProperty() { if (opacity == null) { opacity = new DoublePropertyBase(1) { @Override public void invalidated() { markDirty(EffectDirtyBits.EFFECT_DIRTY); } @Override public Object getBean() { return Blend.this; } @Override public String getName() { return "opacity"; } }; } return opacity; } /** * The bottom input for this {@code Blend} operation. * If set to {@code null}, or left unspecified, a graphical image of * the {@code Node} to which the {@code Effect} is attached will be * used as the input. * @defaultValue null */ private ObjectProperty bottomInput; public final void setBottomInput(Effect value) { bottomInputProperty().set(value); } public final Effect getBottomInput() { return bottomInput == null ? null : bottomInput.get(); } public final ObjectProperty bottomInputProperty() { if (bottomInput == null) { bottomInput = new EffectInputProperty("bottomInput"); } return bottomInput; } /** * The top input for this {@code Blend} operation. * If set to {@code null}, or left unspecified, a graphical image of * the {@code Node} to which the {@code Effect} is attached will be * used as the input. * @defaultValue null */ private ObjectProperty topInput; public final void setTopInput(Effect value) { topInputProperty().set(value); } public final Effect getTopInput() { return topInput == null ? null : topInput.get(); } public final ObjectProperty topInputProperty() { if (topInput == null) { topInput = new EffectInputProperty("topInput"); } return topInput; } @Override boolean impl_checkChainContains(Effect e) { Effect localTopInput = getTopInput(); Effect localBottomInput = getBottomInput(); if (localTopInput == e || localBottomInput == e) return true; if (localTopInput != null && localTopInput.impl_checkChainContains(e)) return true; if (localBottomInput != null && localBottomInput.impl_checkChainContains(e)) return true; return false; } @Override void impl_update() { Effect localBottomInput = getBottomInput(); Effect localTopInput = getTopInput(); if (localTopInput != null) { localTopInput.impl_sync(); } if (localBottomInput != null) { localBottomInput.impl_sync(); } com.sun.scenario.effect.Blend peer = (com.sun.scenario.effect.Blend) impl_getImpl(); peer.setTopInput(localTopInput == null ? null : localTopInput.impl_getImpl()); peer.setBottomInput(localBottomInput == null ? null : localBottomInput.impl_getImpl()); peer.setOpacity((float)Utils.clamp(0, getOpacity(), 1)); peer.setMode(toPGMode(getMode())); } /** * @treatAsPrivate implementation detail * @deprecated This is an internal API that is not intended for use and will be removed in the next version */ @Deprecated @Override public BaseBounds impl_getBounds(BaseBounds bounds, BaseTransform tx, Node node, BoundsAccessor boundsAccessor) { BaseBounds topBounds = new RectBounds(); BaseBounds bottomBounds = new RectBounds(); bottomBounds = EffectUtils.getInputBounds(bottomBounds, tx, node, boundsAccessor, getBottomInput()); topBounds = EffectUtils.getInputBounds(topBounds, tx, node, boundsAccessor, getTopInput()); BaseBounds ret = topBounds.deriveWithUnion(bottomBounds); return ret; } /** * * @treatAsPrivate implementation detail * @deprecated This is an internal API that is not intended for use and will be removed in the next version */ @Deprecated @Override public Effect impl_copy() { return new Blend(this.getMode(), this.getBottomInput(), this.getTopInput()); } }




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