Package com.intellij.openapi.util

Class IconLoader.LazyIcon

java.lang.Object

com.intellij.ui.scale.ScaleContextSupport

com.intellij.openapi.util.IconLoader.LazyIcon

All Implemented Interfaces:

CopyableIcon, RetrievableIcon, ScaleContextAware, javax.swing.Icon

Enclosing class:

IconLoader

public abstract static class IconLoader.LazyIcon
extends ScaleContextSupport
implements CopyableIcon, RetrievableIcon

Consider using #createLazy).

Constructor Summary

Constructors

Constructor and Description
LazyIcon()

Method Summary

Modifier and Type	Method and Description
protected abstract javax.swing.Icon	compute()
javax.swing.Icon	copy() Returns a copy of this icon.
int	getIconHeight()
int	getIconWidth()
double	getScale(DerivedScaleType type)
double	getScale(ScaleType type)
T	getScaleContext()
void	load()
void	paintIcon(java.awt.Component c, java.awt.Graphics g, int x, int y)
javax.swing.Icon	retrieveIcon() Returns the wrapped icon.
boolean	setScale(Scale scale) Sets the new scale in the context
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

deepCopy

Constructor Detail

LazyIcon

public LazyIcon()

Method Detail

paintIcon

public 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

load

public final void load()

compute

protected abstract javax.swing.Icon compute()

retrieveIcon

public javax.swing.Icon retrieveIcon()

Description copied from interface: RetrievableIcon

Returns the wrapped icon.

Specified by:

retrieveIcon in interface RetrievableIcon

copy

public javax.swing.Icon copy()

Description copied from interface: CopyableIcon

Returns a copy of this icon.

The copy should be a new instance, it should preserve the original size and should paint equal to the original bitmap. The subtype of the new icon is up to an implementor. It may or may not be equal the original subtype.

Specified by:

copy in interface CopyableIcon

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