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java Programming Glossary: imageobserver

Show an animated BG in Swing

http://stackoverflow.com/questions/10836832/show-an-animated-bg-in-swing

bit fuzzy but the idea is that since your ImagePanel is an ImageObserver it can be notified asynchronously about image information. The.. method invokes Graphics.drawImage which provides the ImageObserver hook. The imageUpdate method implemented in java.awt.Component.. java.awt.Component will continuously be invoked with the ImageObserver.FRAMEBITS flag set. import java.awt.EventQueue import java.awt.Graphics..

Drawing an image at a point of another image

http://stackoverflow.com/questions/13328307/drawing-an-image-at-a-point-of-another-image

import javax.swing. import java.net. import java.awt.image.ImageObserver import java.io.IOException import javax.imageio.ImageIO public.. u 47632315 coin.png public void paint Graphics g ImageObserver o g.drawImage coin x y o abstract class pickUpObject int x y.. int x int y public abstract void paint Graphics g ImageObserver o java image swing awt graphics2d share improve this question..

Infinite background for game

http://stackoverflow.com/questions/16138363/infinite-background-for-game

yy backImage.getHeight normalizeY this A JPanel IS AN ImageObserver g.drawImage heliImage heliX heliY this g.setColor Color.BLACK..

How does Java Graphics.drawImage() work and what is the role of ImageObserver

http://stackoverflow.com/questions/1684422/how-does-java-graphics-drawimage-work-and-what-is-the-role-of-imageobserver

does Java Graphics.drawImage work and what is the role of ImageObserver How should Java's drawImage be used I do not find the JDK documentation.. For example all drawImage signatures require an ImageObserver but the documentation for this is not very helpful for new users... away with Graphics.drawImage img x y null or similar . The ImageObserver parameter is a callback to inform you of the progress of the..

Create thumbnail image for PDF in Java

http://stackoverflow.com/questions/2844961/create-thumbnail-image-for-pdf-in-java

width height rect clip rect null null for the ImageObserver true fill background with white true block until drawing is..

JPanel background image

http://stackoverflow.com/questions/2937403/jpanel-background-image

grafica grafica.drawImage imgFondo 0 0 null no need for ImageObserver here Note that you don't want to be doing long running tasks..

Convert PDF to thumbnail image in Java [closed]

http://stackoverflow.com/questions/4929813/convert-pdf-to-thumbnail-image-in-java

width height rect clip rect null null for the ImageObserver true fill background with white true block until drawing..

Export PDF pages to a series of images in Java

http://stackoverflow.com/questions/550129/export-pdf-pages-to-a-series-of-images-in-java

width height rect clip rect null null for the ImageObserver true fill background with white true block until drawing is..

java.lang.IllegalArgumentException: Number of scaling constants does not equal the number of of color or color/alpha components

http://stackoverflow.com/questions/5838842/java-lang-illegalargumentexception-number-of-scaling-constants-does-not-equal-t

JLabel public Image image private BufferedImage bImage ImageObserver imageObserver float scales 1f 1f 1f 1f float offsets new float.. this.image icon.getImage this.imageObserver icon.getImageObserver this.bImage BufferedImage image previous version makes exception..

resizing image java getScaledInstance

http://stackoverflow.com/questions/7252983/resizing-image-java-getscaledinstance

continue drawing asynchronously. You then have to use the ImageObserver parameter in the Graphics2D.drawImage call to wait for completion.. example shows how to scale images more simply without an ImageObserver . The scaling is done by drawing the icon into a BufferedImage..