protected void drawImageMosaic(Graphics2D g2) { // Break the image up into tiles. Draw each // tile with its own transparency, allowing // the background to show through to varying // degrees. int side = 36; int width = mImage.getWidth(); int height = mImage.getHeight(); for (int y = 0; y < height; y += side) { for (int x = 0; x < width; x += side) { // Calculate an appropriate transparency value. float xBias = (float) x / (float) width; float yBias = (float) y / (float) height; float alpha = 1.0f - Math.abs(xBias - yBias); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); // Draw the subimage. int w = Math.min(side, width - x); int h = Math.min(side, height - y); BufferedImage tile = mImage.getSubimage(x, y, w, h); g2.drawImage(tile, x, y, null); } } // Reset the composite. g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); }
/* * (non-Javadoc) * * @see org.math.plot.render.AbstractDrawer#fillPloygon(double[][]) */ public void fillPolygon(float alpha, double[]... pC) { int[][] c = new int[pC.length][2]; for (int i = 0; i < pC.length; i++) { c[i] = projection.screenProjection(pC[i]); } int minx = c[0][0], miny = c[0][1], maxx = c[0][0] + 1, maxy = c[0][1] + 1; int[] x = new int[c.length]; for (int i = 0; i < c.length; i++) { x[i] = c[i][0]; minx = FastMath.min(minx, x[i]); maxx = FastMath.max(maxx, x[i]); } int[] y = new int[c.length]; for (int i = 0; i < c.length; i++) { y[i] = c[i][1]; miny = FastMath.min(miny, y[i]); maxy = FastMath.max(maxy, y[i]); } if (comp2D.hitClip(minx, miny, maxx - minx, maxy - miny)) { Composite cs = comp2D.getComposite(); comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); comp2D.fillPolygon(x, y, c.length); comp2D.setComposite(cs); } }
public void drawImage(Image img, float alpha, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) { Composite cs = comp2D.getComposite(); comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); AffineTransform t = getAffineTransform(img.getWidth(canvas), img.getHeight(canvas), _xyzSW, _xyzSE, _xyzNW); if (t != null) { comp2D.drawImage(img, t, canvas); } comp2D.setComposite(cs); }
public void drawShadowedText(String label, float alpha, double... pC) { int[] sC = projection.screenProjection(pC); // Corner offset adjustment : Text Offset is used Here FontRenderContext frc = comp2D.getFontRenderContext(); Font font1 = comp2D.getFont(); int x = sC[0]; int y = sC[1]; double w = font1.getStringBounds(label, frc).getWidth(); double h = font1.getSize2D(); x -= (int) (w * text_Eastoffset); y += (int) (h * text_Northoffset); int wc = (int) (w * FastMath.cos(text_angle) + h * FastMath.sin(text_angle)); int hc = (int) (h * FastMath.cos(text_angle) + w * FastMath.sin(text_angle)); if (!comp2D.hitClip(x, y, wc, hc)) { return; } if (text_angle != 0) { comp2D.rotate(text_angle, x + w / 2, y - h / 2); } Composite cs = comp2D.getComposite(); Color c = comp2D.getColor(); String[] lines = label.split("\n"); for (int i = 0; i < lines.length; i++) { comp2D.setColor(Color.white); comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); comp2D.fillRect(x, y - (int) h, (int) w, (int) h); comp2D.setComposite(cs); comp2D.setColor(c); comp2D.drawString(lines[i], x, y); y += h; } if (text_angle != 0) { comp2D.rotate(-text_angle, x + w / 2, y - h / 2); } }
public Composite getComposite() { return (AlphaComposite.getInstance(AlphaComposite.SRC)); }
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(); } }