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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

Nov 13, 2011 ... int alpha = 127; // 50% transparent Color myColour = new Color(255, value, value, alpha);. See the Color constructors that take 4 arguments ...

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

Aug 25, 2014 ... There are a few ways that might be achieved, the easiest might be to use java. awt.geom. ... I've left the fill color slightly translucent to prove the point ;) .... new Rectangle(x, y, 200, 200); outter.subtract(new Area(inner)); g2d.

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 ...

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

May 7, 2013 ... You can call the constructor of Color in the following way: ... Java is actually pretty good at this stuff, you can achieve transparency and much ...

graphicdesign.stackexchange.com/questions/5446/making-the-background-of-an-image-transparent-in-gimp/5454

Jan 12, 2012 ... (You could also use bucket fill with the Color Erase mode as ... Fill toolbox options, select Fill transparent areas only when necessary. ... Click on the background colour rectangle in the upper half of the Tool ... You can access the Lasso Tool in different ways: ... Why does my transparent PNG not look good?

www.ntu.edu.sg/home/ehchua/programming/java/J4b_CustomGraphics.html

The drawXxx() methods draw the outlines; while fillXxx() methods fill the internal. ... void clearRect(int x, int y, int width, int height) // Clear the rectangular area to background void copyArea(int x, ... Using AWT's Graphics and Color import java. awt.event. ... Canvas , and override the paint(Graphics g) method, in a java.awt.

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  ...

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

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