List of usage examples for java.awt AlphaComposite getInstance
public static AlphaComposite getInstance(int rule, float alpha)
From source file:org.apache.pdfbox.pdmodel.graphics.blend.BlendComposite.java
/** * Creates a blend composite/*from w ww . j a v a2 s .c o m*/ * * @param blendMode Desired blend mode * @param constantAlpha Constant alpha, must be in the inclusive range * [0.0...1.0] or it will be clipped. */ public static Composite getInstance(BlendMode blendMode, float constantAlpha) { if (blendMode == BlendMode.NORMAL) { if (constantAlpha < 0) { LOG.warn("using 0 instead of incorrect Alpha " + constantAlpha); constantAlpha = 0; } else if (constantAlpha > 1) { LOG.warn("using 1 instead of incorrect Alpha " + constantAlpha); constantAlpha = 1; } return AlphaComposite.getInstance(AlphaComposite.SRC_OVER, constantAlpha); } else { return new BlendComposite(blendMode, constantAlpha); } }
From source file:AlphaCompositeSRCOUT.java
public void paint(Graphics g) { Graphics2D g2D = (Graphics2D) g; int w = getSize().width; int h = getSize().height; BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); Graphics2D big = bi.createGraphics(); ac = AlphaComposite.getInstance(compositeRule, alphaValue); big.setColor(Color.red);//from w w w.j a va 2s . c om big.drawString("Destination", w / 4, h / 4); big.fill(new Ellipse2D.Double(0, h / 3, 2 * w / 3, h / 3)); big.setColor(Color.blue); big.drawString("Source", 3 * w / 4, h / 4); big.setComposite(ac); big.fill(new Ellipse2D.Double(w / 3, h / 3, 2 * w / 3, h / 3)); g2D.drawImage(bi, null, 0, 0); }
From source file:net.sf.mzmine.modules.visualization.tic.TICPlotRenderer.java
private AlphaComposite makeComposite(double alpha) { int type = AlphaComposite.SRC_OVER; return (AlphaComposite.getInstance(type, (float) alpha)); }
From source file:net.sf.mzmine.modules.visualization.neutralloss.NeutralLossDataPointRenderer.java
public void setTransparency(float transparency) { if ((transparency > 1.0) || (transparency < 0)) transparency = 1.0f;//from ww w . j av a 2 s. co m int type = AlphaComposite.SRC_OVER; alphaComp = (AlphaComposite.getInstance(type, transparency)); alphaCompOriginal = (AlphaComposite.getInstance(type, 1.0f)); }
From source file:Main.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); int cx = getSize().width / 2; int cy = getSize().height / 2; g2.translate(cx, cy);/*from w w w .j a v a 2 s . com*/ g2.rotate(theta * Math.PI / 180); Shape oldClip = g2.getClip(); Shape e = new Ellipse2D.Float(-cx, -cy, cx * 2, cy * 2); g2.clip(e); Shape c = new Ellipse2D.Float(-cx, -cy, cx * 3 / 4, cy * 2); g2.setPaint(new GradientPaint(40, 40, Color.blue, 60, 50, Color.white, true)); g2.fill(c); g2.setPaint(Color.yellow); g2.fillOval(cx / 4, 0, cx, cy); g2.setClip(oldClip); g2.setFont(new Font("Times New Roman", Font.PLAIN, 64)); g2.setPaint(new GradientPaint(-cx, 0, Color.red, cx, 0, Color.black, false)); g2.drawString("Hello, 2D!", -cx * 3 / 4, cy / 4); AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) .75); g2.setComposite(ac); Shape r = new RoundRectangle2D.Float(0, -cy * 3 / 4, cx * 3 / 4, cy * 3 / 4, 20, 20); g2.setStroke(new BasicStroke(4)); g2.setPaint(Color.magenta); g2.fill(r); g2.setPaint(Color.green); g2.draw(r); g2.drawImage(image, -cx / 2, -cy / 2, this); }
From source file:com.github.lucapino.sheetmaker.PreviewJFrame.java
private AlphaComposite makeComposite(float alpha) { int type = AlphaComposite.SRC_OVER; return (AlphaComposite.getInstance(type, alpha)); }
From source file:com.appnativa.rare.ui.chart.jfreechart.XYPlotEx.java
@Override protected void fillBackground(Graphics2D g2, Rectangle2D area, PlotOrientation orientation) { Paint p = this.getBackgroundPaint(); if (p == null) { return;/* w w w. ja va2 s .com*/ } iPainter painter = ChartHelper.getPainter(p); if (painter == null) { super.fillBackground(g2, area, orientation); return; } Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getBackgroundAlpha())); graphics = SwingGraphics.fromGraphics(g2, null, graphics); float x = UIScreen.snapToPosition(area.getX()); float y = UIScreen.snapToPosition(area.getY()); float w = UIScreen.snapToSize(area.getWidth()); float h = UIScreen.snapToSize(area.getHeight()); painter.paint(graphics, x, y, w, h, iPainter.UNKNOWN); g2.setComposite(originalComposite); }
From source file:CompositeEffects.java
/** Draw the example */ public void paint(Graphics g1) { Graphics2D g = (Graphics2D) g1; // fill the background g.setPaint(new Color(175, 175, 175)); g.fillRect(0, 0, getWidth(), getHeight()); // Set text attributes g.setColor(Color.black);// ww w . j a v a 2s .c om g.setFont(new Font("SansSerif", Font.BOLD, 12)); // Draw the unmodified image g.translate(10, 10); g.drawImage(cover, 0, 0, this); g.drawString("SRC_OVER", 0, COVERHEIGHT + 15); // Draw the cover again, using AlphaComposite to make the opaque // colors of the image 50% translucent g.translate(COVERWIDTH + 10, 0); g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f)); g.drawImage(cover, 0, 0, this); // Restore the pre-defined default Composite for the screen, so // opaque colors stay opaque. g.setComposite(AlphaComposite.SrcOver); // Label the effect g.drawString("SRC_OVER, 50%", 0, COVERHEIGHT + 15); // Now get an offscreen image to work with. In order to achieve // certain compositing effects, the drawing surface must support // transparency. Onscreen drawing surfaces cannot, so we have to do the // compositing in an offscreen image that is specially created to have // an "alpha channel", then copy the final result to the screen. BufferedImage offscreen = new BufferedImage(COVERWIDTH, COVERHEIGHT, BufferedImage.TYPE_INT_ARGB); // First, fill the image with a color gradient background that varies // left-to-right from opaque to transparent yellow Graphics2D osg = offscreen.createGraphics(); osg.setPaint(new GradientPaint(0, 0, Color.yellow, COVERWIDTH, 0, new Color(255, 255, 0, 0))); osg.fillRect(0, 0, COVERWIDTH, COVERHEIGHT); // Now copy the cover image on top of this, but use the DstOver rule // which draws it "underneath" the existing pixels, and allows the // image to show depending on the transparency of those pixels. osg.setComposite(AlphaComposite.DstOver); osg.drawImage(cover, 0, 0, this); // And display this composited image on the screen. Note that the // image is opaque and that none of the screen background shows through g.translate(COVERWIDTH + 10, 0); g.drawImage(offscreen, 0, 0, this); g.drawString("DST_OVER", 0, COVERHEIGHT + 15); // Now start over and do a new effect with the off-screen image. // First, fill the offscreen image with a new color gradient. We // don't care about the colors themselves; we just want the // translucency of the background to vary. We use opaque black to // transparent black. Note that since we've already used this offscreen // image, we set the composite to Src, we can fill the image and // ignore anything that is already there. osg.setComposite(AlphaComposite.Src); osg.setPaint(new GradientPaint(0, 0, Color.black, COVERWIDTH, COVERHEIGHT, new Color(0, 0, 0, 0))); osg.fillRect(0, 0, COVERWIDTH, COVERHEIGHT); // Now set the compositing type to SrcIn, so colors come from the // source, but translucency comes from the destination osg.setComposite(AlphaComposite.SrcIn); // Draw our loaded image into the off-screen image, compositing it. osg.drawImage(cover, 0, 0, this); // And then copy our off-screen image to the screen. Note that the // image is translucent and some of the image shows through. g.translate(COVERWIDTH + 10, 0); g.drawImage(offscreen, 0, 0, this); g.drawString("SRC_IN", 0, COVERHEIGHT + 15); // If we do the same thing but use SrcOut, then the resulting image // will have the inverted translucency values of the destination osg.setComposite(AlphaComposite.Src); osg.setPaint(new GradientPaint(0, 0, Color.black, COVERWIDTH, COVERHEIGHT, new Color(0, 0, 0, 0))); osg.fillRect(0, 0, COVERWIDTH, COVERHEIGHT); osg.setComposite(AlphaComposite.SrcOut); osg.drawImage(cover, 0, 0, this); g.translate(COVERWIDTH + 10, 0); g.drawImage(offscreen, 0, 0, this); g.drawString("SRC_OUT", 0, COVERHEIGHT + 15); // Here's a cool effect; it has nothing to do with compositing, but // uses an arbitrary shape to clip the image. It uses Area to combine // shapes into more complicated ones. g.translate(COVERWIDTH + 10, 0); Shape savedClip = g.getClip(); // Save current clipping region // Create a shape to use as the new clipping region. // Begin with an ellipse Area clip = new Area(new Ellipse2D.Float(0, 0, COVERWIDTH, COVERHEIGHT)); // Intersect with a rectangle, truncating the ellipse. clip.intersect(new Area(new Rectangle(5, 5, COVERWIDTH - 10, COVERHEIGHT - 10))); // Then subtract an ellipse from the bottom of the truncated ellipse. clip.subtract(new Area(new Ellipse2D.Float(COVERWIDTH / 2 - 40, COVERHEIGHT - 20, 80, 40))); // Use the resulting shape as the new clipping region g.clip(clip); // Then draw the image through this clipping region g.drawImage(cover, 0, 0, this); // Restore the old clipping region so we can label the effect g.setClip(savedClip); g.drawString("Clipping", 0, COVERHEIGHT + 15); }
From source file:Composite.java
public void changeRule(String a, int rule) { alpha = Float.valueOf(a).floatValue(); ac = AlphaComposite.getInstance(getRule(rule), alpha); repaint(); }
From source file:components.SizeDisplayer.java
protected void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g.create(); //copy g Dimension minSize = getMinimumSize(); Dimension prefSize = getPreferredSize(); Dimension size = getSize();//from w ww .j a v a2 s . co m int prefX = 0, prefY = 0; //Set hints so text looks nice. g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); //Draw the maximum size rectangle if we're opaque. if (isOpaque()) { g2d.setColor(getBackground()); g2d.fillRect(0, 0, size.width, size.height); } //Draw the icon. if (icon != null) { Composite oldComposite = g2d.getComposite(); g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f)); icon.paintIcon(this, g2d, (size.width - icon.getIconWidth()) / 2, (size.height - icon.getIconHeight()) / 2); g2d.setComposite(oldComposite); } //Draw the preferred size rectangle. prefX = (size.width - prefSize.width) / 2; prefY = (size.height - prefSize.height) / 2; g2d.setColor(Color.RED); g2d.drawRect(prefX, prefY, prefSize.width - 1, prefSize.height - 1); //Draw the minimum size rectangle. if (minSize.width != prefSize.width || minSize.height != prefSize.height) { int minX = (size.width - minSize.width) / 2; int minY = (size.height - minSize.height) / 2; g2d.setColor(Color.CYAN); g2d.drawRect(minX, minY, minSize.width - 1, minSize.height - 1); } //Draw the text. if (text != null) { Dimension textSize = getTextSize(g2d); g2d.setColor(getForeground()); g2d.drawString(text, (size.width - textSize.width) / 2, (size.height - textSize.height) / 2 + g2d.getFontMetrics().getAscent()); } g2d.dispose(); }