com.codename1.ui

Class ComponentImage.EncodedWrapper

java.lang.Object

com.codename1.ui.Image

com.codename1.ui.EncodedImage

com.codename1.ui.ComponentImage.EncodedWrapper

All Implemented Interfaces:

ActionSource

Enclosing class:

ComponentImage

public class ComponentImage.EncodedWrapper
extends EncodedImage

A wrapper for ComponentImage to convert it to an EncodedImage.

Method Summary

Modifier and Type	Method and Description
protected Image	getInternal() Returns the actual image represented by the encoded image, this image will be cached in a weak/soft reference internally.
Image	scaled(int width, int height) Returns a scaled version of this image image using the given width and height, this is a fast algorithm that preserves translucent information.
EncodedImage	scaledEncoded(int width, int height) Performs scaling using ImageIO to generate an encoded Image

Methods inherited from class com.codename1.ui.EncodedImage

asyncLock, create, create, create, create, create, createFromImage, createFromRGB, createMulti, drawImage, drawImage, getGraphics, getHeight, getImage, getImageData, getWidth, isAnimation, isLocked, isOpaque, lock, modifyAlpha, modifyAlpha, resetCache, rotate, scale, scaledHeight, scaledSmallerRatio, scaledWidth, subImage, toRGB, unlock

Methods inherited from class com.codename1.ui.Image

addActionListener, animate, applyMask, applyMask, applyMaskAutoScale, createImage, createImage, createImage, createImage, createImage, createImage, createImage, createIndexed, createMask, createSVG, dispose, exifRotation, exifRotation, exifRotation, fill, fireChangedEvent, flipHorizontally, flipVertically, getExifOrientationTag, getExifOrientationTag, getImageName, getRGB, getRGB, getRGBCached, getSVGDocument, isAlphaMutableImageSupported, isJPEG, isPNG, isSVG, isSVGSupported, mirror, modifyAlphaWithTranslucency, removeActionListener, requiresDrawImage, rotate180Degrees, rotate270Degrees, rotate90Degrees, scaledLargerRatio, setImageName

Methods inherited from class java.lang.Object

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

Method Detail

scaledEncoded

public EncodedImage scaledEncoded(int width,
                                  int height)

Performs scaling using ImageIO to generate an encoded Image

Overrides:

scaledEncoded in class EncodedImage

Parameters:

width - the width of the image, -1 to scale based on height and preserve aspect ratio

height - the height of the image, -1 to scale based on width and preserve aspect ratio

Returns:

new encoded image

scaled

public Image scaled(int width,
                    int height)

Returns a scaled version of this image image using the given width and height, this is a fast algorithm that preserves translucent information. The method accepts -1 to preserve aspect ratio in the given axis.

Overrides:

scaled in class EncodedImage

Parameters:

width - width for the scaling

height - height of the scaled image

Returns:

new image instance scaled to the given height and width

getInternal

protected Image getInternal()

Returns the actual image represented by the encoded image, this image will be cached in a weak/soft reference internally. This method is useful to detect when the system actually created an image instance. You shouldn't invoke this method manually!

Overrides:

getInternal in class EncodedImage

Returns:

drawable image instance