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/*
* Copyright (c) 2005-2020 Radiance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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.
*/
package org.pushingpixels.substance.internal.utils.icon;
import org.pushingpixels.neon.api.icon.ResizableIcon;
import org.pushingpixels.substance.api.ComponentState;
import org.pushingpixels.substance.api.SubstanceSlices.ColorSchemeAssociationKind;
import org.pushingpixels.substance.api.SubstanceSlices.ComponentStateFacet;
import org.pushingpixels.substance.api.colorscheme.SubstanceColorScheme;
import org.pushingpixels.substance.internal.animation.StateTransitionTracker;
import org.pushingpixels.substance.internal.animation.TransitionAwareUI;
import org.pushingpixels.substance.internal.utils.*;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Map;
/**
* Icon with transition-aware capabilities. Has a delegate that does the actual painting based on
* the transition color schemes. This class is used heavily on Substance-provided icons, such as
* title pane button icons, arrow icons on scroll bars and combos etc.
*
* @author Kirill Grouchnikov
*/
@TransitionAware
public class TransitionAwareIcon implements Icon {
/**
* The delegate needs to implement the method in this interface based on the provided color
* scheme. The color scheme is computed based on the transitions that are happening on the
* associated button.
*
* @author Kirill Grouchnikov
*/
public interface Delegate {
/**
* Returns the icon that matches the specified scheme.
*
* @param scheme
* Color scheme.
* @return Icon that matches the specified scheme.
*/
ResizableIcon getColorSchemeIcon(SubstanceColorScheme scheme);
}
public interface ColorSchemeAssociationKindDelegate {
ColorSchemeAssociationKind getColorSchemeAssociationKind(ComponentState state);
}
public interface TransitionAwareUIDelegate {
TransitionAwareUI getTransitionAwareUI();
}
/**
* The associated component.
*/
private JComponent comp;
/**
* The associated model.
*/
// private ButtonModel model;
private TransitionAwareUIDelegate transitionAwareUIDelegate;
/**
* Delegate to compute the actual icons.
*/
protected Delegate delegate;
protected ColorSchemeAssociationKindDelegate colorSchemeAssociationKindDelegate;
protected String uniqueIconTypeId;
/**
* Icon cache to speed up the subsequent icon painting. The basic assumption is that the
* {@link #delegate} returns an icon that paints the same for the same parameters.
*/
private static LazyResettableHashMap iconMap = new LazyResettableHashMap<>(
"TransitionAwareIcon");
private int iconWidth;
private int iconHeight;
public TransitionAwareIcon(final AbstractButton button, Delegate delegate,
String uniqueIconTypeId) {
this(button, (button == null) ? null : () -> (TransitionAwareUI) button.getUI(), delegate,
null, uniqueIconTypeId);
}
/**
* Creates a new transition-aware icon.
*/
public TransitionAwareIcon(JComponent comp, TransitionAwareUIDelegate transitionAwareUIDelegate,
Delegate delegate,
ColorSchemeAssociationKindDelegate colorSchemeAssociationKindDelegate,
String uniqueIconTypeId) {
this.comp = comp;
this.transitionAwareUIDelegate = transitionAwareUIDelegate;
this.delegate = delegate;
this.colorSchemeAssociationKindDelegate = colorSchemeAssociationKindDelegate;
this.uniqueIconTypeId = uniqueIconTypeId;
ResizableIcon markEnabledIcon = this.delegate
.getColorSchemeIcon(SubstanceColorSchemeUtilities.getColorScheme(comp,
ColorSchemeAssociationKind.MARK, ComponentState.ENABLED));
this.iconWidth = markEnabledIcon.getIconWidth();
this.iconHeight = markEnabledIcon.getIconHeight();
}
/**
* Returns the current icon to paint.
*
* @return Icon to paint.
*/
private synchronized ResizableIcon getIconToPaint() {
StateTransitionTracker stateTransitionTracker = this.transitionAwareUIDelegate
.getTransitionAwareUI().getTransitionTracker();
StateTransitionTracker.ModelStateInfo modelStateInfo = stateTransitionTracker
.getModelStateInfo();
Map activeStates = modelStateInfo
.getStateContributionMap();
ComponentState currState = modelStateInfo.getCurrModelState();
boolean buttonNeverPainted = SubstanceCoreUtilities.isButtonNeverPainted(this.comp);
if (buttonNeverPainted) {
if (currState.isFacetActive(ComponentStateFacet.ENABLE))
currState = ComponentState.ENABLED;
}
ColorSchemeAssociationKind baseAssociationKind = (this.colorSchemeAssociationKindDelegate == null)
? ColorSchemeAssociationKind.MARK
: this.colorSchemeAssociationKindDelegate.getColorSchemeAssociationKind(currState);
SubstanceColorScheme baseScheme = SubstanceColorSchemeUtilities.getColorScheme(this.comp,
baseAssociationKind, currState);
float baseAlpha = SubstanceColorSchemeUtilities.getAlpha(this.comp, currState);
HashMapKey keyBase = SubstanceCoreUtilities.getHashKey(this.uniqueIconTypeId,
SubstanceSizeUtils.getComponentFontSize(this.comp), baseScheme.getDisplayName(),
baseAlpha);
ResizableIcon layerBase = iconMap.get(keyBase);
if (layerBase == null) {
ResizableIcon baseFullOpacity = this.delegate.getColorSchemeIcon(baseScheme);
if (baseAlpha == 1.0f) {
layerBase = baseFullOpacity;
iconMap.put(keyBase, layerBase);
} else {
BufferedImage baseImage = SubstanceCoreUtilities.getBlankImage(
baseFullOpacity.getIconWidth(), baseFullOpacity.getIconHeight());
Graphics2D g2base = baseImage.createGraphics();
g2base.setComposite(AlphaComposite.SrcOver.derive(baseAlpha));
baseFullOpacity.paintIcon(this.comp, g2base, 0, 0);
g2base.dispose();
layerBase = new ImageWrapperIcon(baseImage);
iconMap.put(keyBase, layerBase);
}
}
if (currState.isDisabled() || (activeStates.size() == 1) || buttonNeverPainted) {
return layerBase;
}
BufferedImage result = SubstanceCoreUtilities.getBlankImage(layerBase.getIconWidth(),
layerBase.getIconHeight());
Graphics2D g2d = result.createGraphics();
// draw the base layer
layerBase.paintIcon(this.comp, g2d, 0, 0);
// draw the other active layers
for (Map.Entry activeEntry : activeStates
.entrySet()) {
ComponentState activeState = activeEntry.getKey();
// System.out.println("Painting state " + activeState + "[curr is "
// + currState + "] with " + activeEntry.getValue());
if (activeState == currState)
continue;
float stateContribution = activeEntry.getValue().getContribution();
if (stateContribution > 0.0f) {
g2d.setComposite(AlphaComposite.SrcOver.derive(stateContribution));
ColorSchemeAssociationKind associationKind = (this.colorSchemeAssociationKindDelegate == null)
? ColorSchemeAssociationKind.MARK
: this.colorSchemeAssociationKindDelegate
.getColorSchemeAssociationKind(activeState);
SubstanceColorScheme scheme = SubstanceColorSchemeUtilities.getColorScheme(
this.comp, associationKind, activeState);
float alpha = SubstanceColorSchemeUtilities.getAlpha(this.comp, activeState);
HashMapKey key = SubstanceCoreUtilities.getHashKey(this.uniqueIconTypeId,
SubstanceSizeUtils.getComponentFontSize(this.comp), scheme.getDisplayName(),
alpha);
ResizableIcon layer = iconMap.get(key);
if (layer == null) {
ResizableIcon fullOpacity = this.delegate.getColorSchemeIcon(scheme);
if (alpha == 1.0f) {
layer = fullOpacity;
iconMap.put(key, layer);
} else {
BufferedImage image = SubstanceCoreUtilities.getBlankImage(
fullOpacity.getIconWidth(), fullOpacity.getIconHeight());
Graphics2D g2layer = image.createGraphics();
g2layer.setComposite(AlphaComposite.SrcOver.derive(alpha));
fullOpacity.paintIcon(this.comp, g2layer, 0, 0);
g2layer.dispose();
layer = new ImageWrapperIcon(image);
iconMap.put(key, layer);
}
}
layer.paintIcon(this.comp, g2d, 0, 0);
}
}
g2d.dispose();
return new ImageWrapperIcon(result);
}
@Override
public int getIconHeight() {
return this.iconHeight;
}
@Override
public int getIconWidth() {
return this.iconWidth;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
this.getIconToPaint().paintIcon(c, g, x, y);
}
}
