public Icon makeIcon(Color color, int width, int height) { BufferedImage temp = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); // create buffered icon image Graphics2D temp2 = temp.createGraphics(); temp2.setColor(color); temp2.fillRect(0, 0, width, height); // draw in buffer Icon icon = new ImageIcon(temp); return icon; }
public void paint(Graphics g) { synchronized (this) { Graphics2D g2d = (Graphics2D) g; if (img != null) { int imgw = img.getWidth(); int imgh = img.getHeight(); g2d.setComposite(AlphaComposite.Src); g2d.drawImage(img, null, 0, 0); } } }
public void run() { Thread me = Thread.currentThread(); while (getSize().width <= 0) { try { anim.sleep(500); } catch (InterruptedException e) { return; } } Graphics2D g2d = null; Graphics2D BufferG2D = null; Graphics2D ScreenG2D = null; BasicStroke solid = new BasicStroke(9.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 9.0f); GeneralPath gp = new GeneralPath(GeneralPath.WIND_NON_ZERO); int rule = AlphaComposite.SRC_OVER; AlphaComposite opaque = AlphaComposite.SrcOver; AlphaComposite blend = AlphaComposite.getInstance(rule, 0.9f); AlphaComposite set = AlphaComposite.Src; int frame = 0; int frametmp = 0; Dimension oldSize = getSize(); Shape clippath = null; while (anim == me) { Dimension size = getSize(); if (size.width != oldSize.width || size.height != oldSize.height) { img = null; clippath = null; if (BufferG2D != null) { BufferG2D.dispose(); BufferG2D = null; } if (ScreenG2D != null) { ScreenG2D.dispose(); ScreenG2D = null; } } oldSize = size; if (img == null) { img = (BufferedImage) createImage(size.width, size.height); } if (BufferG2D == null) { BufferG2D = img.createGraphics(); BufferG2D.setRenderingHint( RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_DEFAULT); BufferG2D.setClip(clippath); } g2d = BufferG2D; float[] ctrlpts; for (int i = 0; i < animpts.length; i += 2) { animate(animpts, deltas, i + 0, size.width); animate(animpts, deltas, i + 1, size.height); } ctrlpts = animpts; int len = ctrlpts.length; gp.reset(); int dir = 0; float prevx = ctrlpts[len - 2]; float prevy = ctrlpts[len - 1]; float curx = ctrlpts[0]; float cury = ctrlpts[1]; float midx = (curx + prevx) / 2.0f; float midy = (cury + prevy) / 2.0f; gp.moveTo(midx, midy); for (int i = 2; i <= ctrlpts.length; i += 2) { float x1 = (midx + curx) / 2.0f; float y1 = (midy + cury) / 2.0f; prevx = curx; prevy = cury; if (i < ctrlpts.length) { curx = ctrlpts[i + 0]; cury = ctrlpts[i + 1]; } else { curx = ctrlpts[0]; cury = ctrlpts[1]; } midx = (curx + prevx) / 2.0f; midy = (cury + prevy) / 2.0f; float x2 = (prevx + midx) / 2.0f; float y2 = (prevy + midy) / 2.0f; gp.curveTo(x1, y1, x2, y2, midx, midy); } gp.closePath(); g2d.setComposite(set); g2d.setBackground(backgroundColor); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); if (bgChanged || bounds == null) { bounds = new Rectangle(0, 0, getWidth(), getHeight()); bgChanged = false; } // g2d.clearRect(bounds.x-5, bounds.y-5, bounds.x + bounds.width + 5, bounds.y + bounds.height // + 5); g2d.clearRect(0, 0, getWidth(), getHeight()); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2d.setColor(outerColor); g2d.setComposite(opaque); g2d.setStroke(solid); g2d.draw(gp); g2d.setPaint(gradient); if (!bgChanged) { bounds = gp.getBounds(); } else { bounds = new Rectangle(0, 0, getWidth(), getHeight()); bgChanged = false; } gradient = new GradientPaint( bounds.x, bounds.y, gradientColorA, bounds.x + bounds.width, bounds.y + bounds.height, gradientColorB, true); g2d.setComposite(blend); g2d.fill(gp); if (g2d == BufferG2D) { repaint(); } ++frame; Thread.yield(); } if (g2d != null) { g2d.dispose(); } }