org.pushingpixels.radiance.theming.internal.utils.icon.ArrowButtonTransitionAwareIcon Maven / Gradle / Ivy
/*
* Copyright (c) 2005-2021 Radiance Kirill Grouchnikov. All Rights Reserved.
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package org.pushingpixels.radiance.theming.internal.utils.icon;
import org.pushingpixels.radiance.common.api.RadianceCommonCortex;
import org.jdesktop.swingx.icon.RadianceIcon;
import org.pushingpixels.radiance.theming.api.ComponentState;
import org.pushingpixels.radiance.theming.api.RadianceThemingSlices;
import org.pushingpixels.radiance.theming.api.colorscheme.RadianceColorScheme;
import org.pushingpixels.radiance.theming.internal.animation.StateTransitionTracker;
import org.pushingpixels.radiance.theming.internal.animation.TransitionAwareUI;
import org.pushingpixels.radiance.theming.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.
*/
private int iconWidth;
/**
* Icon height.
*/
private int iconHeight;
/**
* Delegate to compute the actual icons.
*/
private TransitionAwareIcon.Delegate delegate;
private 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 = scheme -> {
int fontSize = RadianceSizeUtils.getComponentFontSize(component);
return RadianceImageCreator.getArrowIcon(
RadianceCommonCortex.getScaleFactor(component),
fontSize, orientation, scheme);
};
Icon enabledIcon = this.delegate.getColorSchemeIcon(
RadianceColorSchemeUtilities.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 RadianceIcon getIconToPaint() {
double scale = RadianceCommonCortex.getScaleFactor(this.component);
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
RadianceThemingSlices.ColorSchemeAssociationKind baseAssociationKind =
isMenu && currState.isFacetActive(RadianceThemingSlices.ComponentStateFacet.ROLLOVER)
? RadianceThemingSlices.ColorSchemeAssociationKind.HIGHLIGHT
: RadianceThemingSlices.ColorSchemeAssociationKind.MARK;
RadianceColorScheme baseScheme = RadianceColorSchemeUtilities
.getColorScheme(this.component, baseAssociationKind, currState);
float baseAlpha = RadianceColorSchemeUtilities.getAlpha(
this.component, currState);
ImageHashMapKey keyBase = RadianceCoreUtilities.getScaleAwareHashKey(
scale, this.component.getClass().getName(), this.orientation,
RadianceSizeUtils.getComponentFontSize(this.component),
baseScheme.getDisplayName(), baseAlpha);
RadianceIcon layerBase = iconMap.get(keyBase);
if (layerBase == null) {
RadianceIcon baseFullOpacity = this.delegate.getColorSchemeIcon(baseScheme);
if (baseAlpha == 1.0f) {
layerBase = baseFullOpacity;
iconMap.put(keyBase, layerBase);
} else {
BufferedImage baseImage = RadianceCoreUtilities.getBlankImage(scale,
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 ScaleAwareImageWrapperIcon(baseImage, scale);
iconMap.put(keyBase, layerBase);
}
}
if (currState.isDisabled() || (activeStates.size() == 1)) {
return layerBase;
}
BufferedImage result = RadianceCoreUtilities.getBlankImage(scale,
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();
if (stateContribution > 0.0f) {
g2d.setComposite(AlphaComposite.SrcOver.derive(stateContribution));
RadianceThemingSlices.ColorSchemeAssociationKind associationKind =
isMenu && activeState.isFacetActive(RadianceThemingSlices.ComponentStateFacet.ROLLOVER)
? RadianceThemingSlices.ColorSchemeAssociationKind.HIGHLIGHT
: RadianceThemingSlices.ColorSchemeAssociationKind.MARK;
RadianceColorScheme scheme = RadianceColorSchemeUtilities
.getColorScheme(this.component, associationKind, activeState);
float alpha = RadianceColorSchemeUtilities.getAlpha(
this.component, activeState);
ImageHashMapKey key = RadianceCoreUtilities.getScaleAwareHashKey(
scale, this.component.getClass().getName(),
this.orientation, RadianceSizeUtils.getComponentFontSize(this.component),
scheme.getDisplayName(), alpha);
RadianceIcon layer = iconMap.get(key);
if (layer == null) {
RadianceIcon fullOpacity = this.delegate.getColorSchemeIcon(scheme);
if (alpha == 1.0f) {
layer = fullOpacity;
iconMap.put(key, layer);
} else {
BufferedImage image = RadianceCoreUtilities.getBlankImage(scale,
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 ScaleAwareImageWrapperIcon(image, scale);
iconMap.put(key, layer);
}
}
layer.paintIcon(this.component, g2d, 0, 0);
}
}
g2d.dispose();
return new ScaleAwareImageWrapperIcon(result, scale);
}
@Override
public int getIconHeight() {
return this.iconHeight;
}
@Override
public int getIconWidth() {
return this.iconWidth;
}
}
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