Tài liệu Introduction to Java: 12 Image Processing pdf

... information and requests the ImageProducer to retransmit the Image data in top-down, left -to- right order. 12. 3.3 MemoryImageSource The MemoryImageSource class allows you to create images completely in ... 22:22 12 Image Processing In this chapter: • ImageObserver • ColorModel • ImageProducer • ImageConsumer • ImageFilter The image processing parts of Java are buried within...

Ngày tải lên: 21/01/2014, 06:20

... Class 460 12. 8 The Font Class 461 12. 9 Common Features of Swing GUI Components 462 12. 10 Image Icons 465 12. 11 JButton 467 12. 12 JCheckBox 471 12. 13 JRadioButton 472 12. 14 Labels 473 12. 15 Text ... Keywords 125 1 B The ASCII Character Set 125 4 C Operator Precedence Chart 125 6 D Java Modifiers 125 8 E Special Floating-Point Values 126 0 F Number Systems 126 1 G Bitwis...

Ngày tải lên: 27/02/2014, 05:20

... FilteredImageSource Description The FilteredImageSource class acts as glue to put an original ImageProducer and ImageFilter together to create a new image. As the ImageProducer for the new image, ... generates the image to be filtered. filter The ImageFilter to use to process image data delivered by original. Description Constructs a FilteredImageSource object to filter an ima...

Ngày tải lên: 26/01/2014, 07:20

... BSD-based UNIX to System V Release 4–based UNIX , from OpenWindows to Motif, from PC to UNIX to Macintosh (or some combination thereof), and between various other alternatives, too numerous to mention. ... C HAPTER 1: A BSTRACT W INDOW T OOLKIT O VERVIEW Text Area North East South Button Label Button Button Button Button Button BorderLayout Panel FlowLayout Panel GridLayout Panel Fi...

Ngày tải lên: 14/12/2013, 12:15

... caught, it will eventually propagate to the top level of the system. 13.3.1 AWTError Method Constructor public AWTError (String message) The sole constructor creates an AWTError with a detail ... you can throw an AWTException to indicate a problem. Using AWTException is slightly preferable to creating your own Excep- tion subclass because you do not have to generate another class file....

Ngày tải lên: 21/01/2014, 06:20

... getImage() method directly. In applications, you must go through Toolkit (which the following methods call) to get images. public Image getImage (URL url) The getImage() method loads the image ... APPLETS classes Image and returns immediately. The Image is not loaded until needed, either by prepareImage(), MediaTracker,ordrawImage(). public Image getImage (URL url, String filename)...

Ngày tải lên: 21/01/2014, 06:20

... methods; for example, to get an image, you might call Toolkit.getDefaultToolkit().getImage("myImage.gif"). public abstract Image getImage (String filename) The getImage() method with a ... prepareImage (Image image, int width, int height, ImageObser ver obser ver) The prepareImage() method is called by the system or a program to force image to start loading. This method c...

Ngày tải lên: 21/01/2014, 06:20

... method, which is called in response to a button click. We check which button the user clicked; if the user clicked the Copy button, we read the text field tf and use it to create a new StringSelection named ... a call to the lostOwnership() method. The owner usually ignores this notifica- tion. However, the clipboard’s contents are passed back to owner in case some special processing...

Ngày tải lên: 21/01/2014, 06:20

... constructor directly, you need some other way of getting a print job to work with. The proper way to get an instance of PrintJob is to ask the Toolkit, which is described in Chapter 15, Toolkit ... the screen. Just as you draw onto a graphics context to display something on the screen, you draw onto a “printing context” to create an image for printing. Furthermore, the printing co...

Ngày tải lên: 21/01/2014, 06:20

... CLASS INTERFACE Cloneable java.awt .image ImageFilter FilteredImageSource MemoryImageSource ColorModel java.lang ImageConsumer DirectColorModel IndexColorModel PixelGrabber RGBImageFilter CropImageFilter Object ImageObserver ImageProducer ReplicateScaleFilter ... location. public Image getImage (URL url, String filename) Parameters url Base URL of an image file. filename Specific file, relat...

Ngày tải lên: 21/01/2014, 06:20