Package magick
Class MagickProducer
- java.lang.Object
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- magick.Magick
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- magick.MagickProducer
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- All Implemented Interfaces:
java.awt.image.ImageProducer
public class MagickProducer extends Magick implements java.awt.image.ImageProducer
This class implements the ImageProducer class. It reads the pixels off a MagickImage and sends the pixels to the specified ImageConsumer.- Author:
- Eric Yeo
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Constructor Summary
Constructors Constructor Description MagickProducer(MagickImage image)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addConsumer(java.awt.image.ImageConsumer consumer)
This method is used to register an ImageConsumer with the ImageProducer for access to the image data during a later reconstruction of the Image.boolean
isConsumer(java.awt.image.ImageConsumer consumer)
This method determines if a given ImageConsumer object is currently registered with this ImageProducer as one of its consumers.void
removeConsumer(java.awt.image.ImageConsumer consumer)
This method removes the given ImageConsumer object from the list of consumers currently registered to receive image data.void
requestTopDownLeftRightResend(java.awt.image.ImageConsumer consumer)
This method is used by an ImageConsumer to request that the ImageProducer attempt to resend the image data one more time in TOPDOWNLEFTRIGHT order so that higher quality conversion algorithms which depend on receiving pixels in order can be used to produce a better output version of the image.void
startProduction(java.awt.image.ImageConsumer consumer)
This method both registers the given ImageConsumer object as a consumer and starts an immediate reconstruction of the image data which will then be delivered to this consumer and any other consumer which may have already been registered with the producer.-
Methods inherited from class magick.Magick
parseImageGeometry, queryFonts
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Constructor Detail
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MagickProducer
public MagickProducer(MagickImage image)
Constructor.- Parameters:
image
- the MagickImage to produce an Image from
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Method Detail
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addConsumer
public void addConsumer(java.awt.image.ImageConsumer consumer)
This method is used to register an ImageConsumer with the ImageProducer for access to the image data during a later reconstruction of the Image.- Specified by:
addConsumer
in interfacejava.awt.image.ImageProducer
- Parameters:
consumer
- to register with the producer
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isConsumer
public boolean isConsumer(java.awt.image.ImageConsumer consumer)
This method determines if a given ImageConsumer object is currently registered with this ImageProducer as one of its consumers.- Specified by:
isConsumer
in interfacejava.awt.image.ImageProducer
- Parameters:
consumer
- to consumer to register with the producer
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removeConsumer
public void removeConsumer(java.awt.image.ImageConsumer consumer)
This method removes the given ImageConsumer object from the list of consumers currently registered to receive image data. It is not considered an error to remove a consumer that is not currently registered.- Specified by:
removeConsumer
in interfacejava.awt.image.ImageProducer
- Parameters:
consumer
- the consumer to check for registration
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startProduction
public void startProduction(java.awt.image.ImageConsumer consumer)
This method both registers the given ImageConsumer object as a consumer and starts an immediate reconstruction of the image data which will then be delivered to this consumer and any other consumer which may have already been registered with the producer.- Specified by:
startProduction
in interfacejava.awt.image.ImageProducer
- Parameters:
consumer
- to be registered before producing the image
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requestTopDownLeftRightResend
public void requestTopDownLeftRightResend(java.awt.image.ImageConsumer consumer)
This method is used by an ImageConsumer to request that the ImageProducer attempt to resend the image data one more time in TOPDOWNLEFTRIGHT order so that higher quality conversion algorithms which depend on receiving pixels in order can be used to produce a better output version of the image.- Specified by:
requestTopDownLeftRightResend
in interfacejava.awt.image.ImageProducer
- Parameters:
consumer
- the consumer to register before producing the image
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