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www.quora.com/What-is-the-fastest-way-to-fill-a-rectangular-area-with-a-translucent-color-in-Java

Simply using java.awt.Graphics.fillRect(new Color(100, 100, 100, 100)), ... Java has two OpenGL modes: one is to enable Java2D on top of OpenGL (using the ...

www.java-forums.org/java-2d/38610-filling-transparency.html

Hello, What is the fastest way to fill a rectangle with a transparent color? Simply using java.awt.Graphics and java.awt.Color like this is not fast.

stackoverflow.com/questions/8110975/how-to-make-a-rectangle-in-graphics-in-a-transparent-colour

int alpha = 127; // 50% transparent Color myColour = new Color(255, value, value, ... However I still want that some colour will still show. The method where I' m drawing is the following: protected void paintComponent(Graphics g) ...

stackoverflow.com/questions/16423503/java-graphics2d-transparent-background

You can construct a Color object by specifying a transparency. For example the ... This way I can set the color of the background. ... have any effect), so I have drawn a rectangle with the given color to fill the canvas. ... Java is actually pretty good at this stuff, you can achieve transparency and much more.

stackoverflow.com/questions/25478376/java-anti-fillrect-fill-everything-outside-of-said-rectangle

There are a few ways that might be achieved, the easiest might be to use ... Area which is a highly versatile Shape implementation, which allows you to add and ... I've left the fill color slightly translucent to prove the point ;)

stackoverflow.com/questions/26222469/make-rectangle-transparent

Since the screen graph in JavaFX is in a hierarchical structure, to show desktop you ... Sadly you cannot just apply a transparent color. You have to specify an alpha channel of a rectangle (strange, strange...). So closer to 0.0 is ...

www.informit.com/articles/article.aspx?p=26349&seqNum=5

Apr 12, 2002 ... Java 2D permits you to assign transparency (alpha) values to ... then passing the AlphaComposite object to the setComposite method of the Graphics2D object. ... setPaint(Color.blue); g2d.fill(blueSquare); Color color = new Color(1, 0, 0, ... offset=20, deltaX=gap+width+offset; private Rectangle blueSquare ...

docs.oracle.com/javase/7/docs/api/java/awt/Graphics.html

All rendering operations modify only pixels which lie within the area bounded by ... Clears the specified rectangle by filling it with the background color of the current ..... This method refers to the user clip, which is independent of the clipping ..... Transparent pixels in the image do not affect whatever pixels are already there.

www.dummies.com/programming/java/how-to-draw-transparently-in-javafx

java-7e-filling-vacancy ... Programming · Java; How to Draw Transparently in JavaFX ... JavaFX lets you create partially transparent colors by setting an opacity value ... There are several ways to do that, but the easiest is to use one of the several ... As a result, you can see the first rectangle behind the other two rectangles.

docs.oracle.com/javase/tutorial/2d/geometry/strokeandfill.html

Java Tutorials lesson shows how to use the Graphics2D class to draw ... Filling – is a process of painting the shape's interior with solid color or a color ... To add this stroke to the Graphics2D context before you render the line call the setStroke method. ... The dash style defines the pattern of opaque and transparent sections  ...