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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;
/**
* Transition aware implementation of arrow button icons. Used for implementing
* icons of scroll bar buttons, combobox buttons, menus and more.
*
* @author Kirill Grouchnikov
*/
@TransitionAware
public class ArrowButtonTransitionAwareIcon implements Icon {
/**
* 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<>("ButtonArrowTransitionAwareIcon");
/**
* Arrow icon orientation. Must be one of {@link SwingConstants#NORTH},
* {@link SwingConstants#SOUTH}, {@link SwingConstants#EAST} or
* {@link SwingConstants#WEST}.
*/
private int orientation;
/**
* Icon width.
*/
protected int iconWidth;
/**
* Icon height.
*/
protected int iconHeight;
/**
* Delegate to compute the actual icons.
*/
protected TransitionAwareIcon.Delegate delegate;
protected JComponent component;
private TransitionAwareIcon.TransitionAwareUIDelegate transitionAwareUIDelegate;
public ArrowButtonTransitionAwareIcon(final AbstractButton button,
int orientation) {
this(button, () -> (TransitionAwareUI) button.getUI(), orientation);
}
/**
* Creates an arrow icon.
*
* @param component
* Arrow button.
* @param orientation
* Arrow icon orientation.
*/
public ArrowButtonTransitionAwareIcon(
final JComponent component,
TransitionAwareIcon.TransitionAwareUIDelegate transitionAwareUIDelegate,
final int orientation) {
this.component = component;
this.transitionAwareUIDelegate = transitionAwareUIDelegate;
this.orientation = orientation;
this.delegate = (SubstanceColorScheme scheme) -> {
int fontSize = SubstanceSizeUtils.getComponentFontSize(component);
return SubstanceImageCreator.getArrowIcon(fontSize, orientation, scheme);
};
Icon enabledIcon = this.delegate.getColorSchemeIcon(
SubstanceColorSchemeUtilities.getColorScheme(component,
ComponentState.ENABLED));
this.iconWidth = enabledIcon.getIconWidth();
this.iconHeight = enabledIcon.getIconHeight();
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
this.getIconToPaint().paintIcon(c, g, x, y);
}
/**
* Returns the icon to be painted for the current state of the button.
*
* @return Icon to be painted.
*/
private ResizableIcon getIconToPaint() {
boolean isMenu = (this.component instanceof JMenu);
StateTransitionTracker stateTransitionTracker = this.transitionAwareUIDelegate
.getTransitionAwareUI().getTransitionTracker();
StateTransitionTracker.ModelStateInfo modelStateInfo = stateTransitionTracker.getModelStateInfo();
Map activeStates = isMenu
? modelStateInfo.getStateNoSelectionContributionMap()
: modelStateInfo.getStateContributionMap();
ComponentState currState = isMenu ? modelStateInfo.getCurrModelStateNoSelection()
: modelStateInfo.getCurrModelState();
// Use HIGHLIGHT for rollover menus (arrow icons) and MARK for the rest
ColorSchemeAssociationKind baseAssociationKind =
isMenu && currState.isFacetActive(ComponentStateFacet.ROLLOVER)
? ColorSchemeAssociationKind.HIGHLIGHT
: ColorSchemeAssociationKind.MARK;
SubstanceColorScheme baseScheme = SubstanceColorSchemeUtilities
.getColorScheme(this.component, baseAssociationKind, currState);
float baseAlpha = SubstanceColorSchemeUtilities.getAlpha(
this.component, currState);
HashMapKey keyBase = SubstanceCoreUtilities.getHashKey(
this.component.getClass().getName(), this.orientation,
SubstanceSizeUtils.getComponentFontSize(this.component),
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.component, g2base, 0, 0);
g2base.dispose();
layerBase = new ImageWrapperIcon(baseImage);
iconMap.put(keyBase, layerBase);
}
}
if (currState.isDisabled() || (activeStates.size() == 1)) {
return layerBase;
}
BufferedImage result = SubstanceCoreUtilities.getBlankImage(layerBase
.getIconWidth(), layerBase.getIconHeight());
Graphics2D g2d = result.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
// draw the base layer
// System.out.println("Painting currState " + currState + ":" +
// baseAlpha);
layerBase.paintIcon(this.component, 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();
// System.out.println("Painting activeState "
// + activeState
// + ":"
// + stateContribution
// + "*"
// + SubstanceColorSchemeUtilities.getAlpha(this.component,
// activeState));
if (stateContribution > 0.0f) {
g2d.setComposite(AlphaComposite.SrcOver.derive(stateContribution));
ColorSchemeAssociationKind associationKind =
isMenu && activeState.isFacetActive(ComponentStateFacet.ROLLOVER)
? ColorSchemeAssociationKind.HIGHLIGHT
: ColorSchemeAssociationKind.MARK;
SubstanceColorScheme scheme = SubstanceColorSchemeUtilities
.getColorScheme(this.component, associationKind, activeState);
float alpha = SubstanceColorSchemeUtilities.getAlpha(
this.component, activeState);
HashMapKey key = SubstanceCoreUtilities
.getHashKey(this.component.getClass().getName(),
this.orientation, SubstanceSizeUtils
.getComponentFontSize(this.component),
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.component, g2layer, 0, 0);
g2layer.dispose();
layer = new ImageWrapperIcon(image);
iconMap.put(key, layer);
}
}
layer.paintIcon(this.component, g2d, 0, 0);
}
}
g2d.dispose();
return new ImageWrapperIcon(result);
}
@Override
public int getIconHeight() {
return this.iconHeight;
}
@Override
public int getIconWidth() {
return this.iconWidth;
}
}
