Package com.intellij.ui.icons

Class LazyImageIcon

java.lang.Object

com.intellij.ui.scale.ScaleContextSupport

com.intellij.ui.icons.LazyImageIcon

All Implemented Interfaces:

ScalableIcon, CopyableIcon, DarkIconProvider, MenuBarIconProvider, ScaleContextAware, javax.swing.Icon

Direct Known Subclasses:

IconLoader.CachedImageIcon

public abstract class LazyImageIcon
extends ScaleContextSupport
implements CopyableIcon, ScalableIcon, DarkIconProvider, MenuBarIconProvider

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.Object	myLock
protected java.lang.Object	myRealIcon

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LazyImageIcon()

Method Summary

Modifier and Type	Method and Description
javax.swing.ImageIcon	doGetRealIcon()
int	getIconHeight()
int	getIconWidth()
javax.swing.ImageIcon	getRealIcon()
protected abstract javax.swing.ImageIcon	getRealIcon(ScaleContext ctx)
float	getScale()
double	getScale(DerivedScaleType type)
double	getScale(ScaleType type)
T	getScaleContext()
void	paintIcon(java.awt.Component c, java.awt.Graphics g, int x, int y)
boolean	setScale(Scale scale) Sets the new scale in the context
protected static javax.swing.ImageIcon	unwrapIcon(java.lang.Object realIcon)
boolean	updateScaleContext(UserScaleContext ctx) Updates the current context with the state of the provided context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.intellij.ui.icons.CopyableIcon

copy, deepCopy

Methods inherited from interface com.intellij.openapi.util.ScalableIcon

scale

Methods inherited from interface com.intellij.ui.icons.DarkIconProvider

getDarkIcon

Methods inherited from interface com.intellij.ui.icons.MenuBarIconProvider

getMenuBarIcon

Field Detail

myLock

protected final java.lang.Object myLock

myRealIcon

protected volatile java.lang.Object myRealIcon

Constructor Detail

LazyImageIcon

protected LazyImageIcon()

Method Detail

unwrapIcon

protected static javax.swing.ImageIcon unwrapIcon(java.lang.Object realIcon)

doGetRealIcon

public final javax.swing.ImageIcon doGetRealIcon()

paintIcon

public final void paintIcon(java.awt.Component c,
                            java.awt.Graphics g,
                            int x,
                            int y)

Specified by:

paintIcon in interface javax.swing.Icon

getIconWidth

public int getIconWidth()

Specified by:

getIconWidth in interface javax.swing.Icon

getIconHeight

public int getIconHeight()

Specified by:

getIconHeight in interface javax.swing.Icon

getScale

public float getScale()

Specified by:

getScale in interface ScalableIcon

Returns:

the scale of the icon relative to its origin

getRealIcon

public final javax.swing.ImageIcon getRealIcon()

getRealIcon

protected abstract javax.swing.ImageIcon getRealIcon(ScaleContext ctx)

getScaleContext

public T getScaleContext()

Specified by:

getScaleContext in interface ScaleContextAware

Returns:

the scale context

updateScaleContext

public boolean updateScaleContext(UserScaleContext ctx)

Description copied from interface: ScaleContextAware

Updates the current context with the state of the provided context. If ctx is null, then updates the current context via ScaleContext.update() and returns the result.

Specified by:

updateScaleContext in interface ScaleContextAware

Parameters:

ctx - the new scale context

Returns:

whether any of the scale factors has been updated

getScale

public double getScale(ScaleType type)

Specified by:

getScale in interface ScaleContextAware

Returns:

the scale of the provided type from the context

getScale

public double getScale(DerivedScaleType type)

Specified by:

getScale in interface ScaleContextAware

Returns:

the scale of the provided type from the context

setScale

public boolean setScale(Scale scale)

Description copied from interface: ScaleContextAware

Sets the new scale in the context

Specified by:

setScale in interface ScaleContextAware

Returns:

whether the provided scale updated the current value