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What is the fastest way to fill a rectangular area with a translucent ...


Jan 27, 2011 ... Java has two OpenGL modes: one is to enable Java2D on top of OpenGL ... and a translucent color would be faster than an alpha composite.

Java anti fillRect (fill everything outside of said rectangle)


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

Java Graphics2D transparent background - Stack Overflow


This way I can set the color of the background. ... doesn't 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. .... Stack Apps · Meta Stack Exchange · Area 51 · Stack Overflow Careers ...

Filling with transparency - Java Programming Forum


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.

Transparent Drawing | Java 2D: Graphics in Java 2 | InformIT


Apr 12, 2002 ... Java 2D permits you to assign transparency (alpha) values to drawing ... setPaint (Color.blue); g2d.fill(blueSquare); Color color = new Color(1, 0, 0, ... offset=20, deltaX=gap+width+offset; private Rectangle blueSquare = new ...

Custom Graphics Programming - Java Programming Tutorial


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 ... Using AWT's Graphics and Color import java.awt.event. .... float g, float b, float alpha); // between 0.0f and 1.0f // alpha of 0 for totally tran...

Color \ Processing.org


By adding the stroke() and fill() functions before something is drawn, we can ... interior of a shape (fill) to grey rect(50,50,75,100); // Drawing the rectangle ... Alpha values also range from 0 to 255, with 0 being completely transparent ... RGB color with ranges of 0 to 255 is not the only way you can handle color in Processing.

How to Draw Transparently in JavaFX - For Dummies


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 of the Color ... setStrokeWidth(3); Rectangle r3 = new Rectangle(200,5,100,200); r3. ... Download and Install the Java Development Kit.

GreenfootImage (Greenfoot API)


... int height). Create an empty (transparent) image with the specified size. ... Fill an oval bounded by the specified rectangle with the current drawing color. ... java .awt.Color, getColorAt(int x, int y). Return the color at the given pixel. java.awt. .... The resulting rectangle covers an area width pixels wide by height pixels tall...

Paint Editor - Scratch Wiki


Apr 8, 2016 ... 9.1 Paint Brush; 9.2 Line Tool; 9.3 Rectangle Tool (Square); 9.4 Oval ... It's because in vector the edges of lines and objects gradually become more transparent, fading ... In the bitmap editor, you can fill any closed area; in the vector editor, you ... Those are the default colors in which you can quickly select.

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java - How to make a rectangle in Graphics in a transparent colour ...


Tour Start here for a quick overview of the site · Help Center ... How to make a rectangle in Graphics in a transparent colour? ... I'm trying to paint a rectangle on my application in a red shade but I .... Java Graphics - Shapes wont fill ... Stack Apps · Meta Stack Exchange · Area 51 · Stack Overflow C...

Stroking and Filling Graphics Primitives (The Java™ Tutorials > 2D ...


Java Tutorials lesson shows how to use the Graphics2D class to draw graphic primitives, ... Filling – is a process of painting the shape's interior with solid color or a color gradient, or a ... Dashed rounded rectangle ... The dash style defines the pattern of opaque and transparent sections applied along the length of the line.

Blending Colors with AlphaComposite (Java Foundation Classes)


Another Java 2D attribute, the Composite object, controls the way in which the colors being ... When a line is drawn, a shape is filled, or an image is rendered, that item totally ... An image is always represented as a rectangular array of pixels . ... To allow this, some image formats support the notion of a transparent color.