public FrontBack(SJGame sjg) { super(sjg); frontImage = sjg.createImage(sjg.getWidth(), sjg.getHeight()); backImage = sjg.createImage(sjg.getWidth(), sjg.getHeight()); setFront(frontImage.getGraphics()); setBack(backImage.getGraphics()); getFront().setColor(Color.white); getFront().fillRect(0, 0, sjg.getWidth(), sjg.getHeight()); getFront().setColor(Color.black); getBack().setColor(Color.white); getBack().fillRect(0, 0, sjg.getWidth(), sjg.getHeight()); getBack().setColor(Color.black); }
private void gameRender() { if (dbImage == null) { dbImage = createImage(PWIDTH, PHEIGHT); if (dbImage == null) { System.out.println("dbImage is null"); return; } else dbg = dbImage.getGraphics(); } // draw a white background dbg.setColor(Color.white); dbg.fillRect(0, 0, PWIDTH, PHEIGHT); // draw the game elements: order is important ribsMan.display(dbg); // the background ribbons bricksMan.display(dbg); // the bricks jack.drawSprite(dbg); // the sprites fireball.drawSprite(dbg); if (showExplosion) // draw the explosion (in front of jack) dbg.drawImage(explosionPlayer.getCurrentImage(), xExpl, yExpl, null); reportStats(dbg); if (gameOver) gameOverMessage(dbg); if (showHelp) // draw the help at the very front (if switched on) dbg.drawImage( helpIm, (PWIDTH - helpIm.getWidth()) / 2, (PHEIGHT - helpIm.getHeight()) / 2, null); } // end of gameRender()
/** * Prepare a buffer for the image, return if the canvas is ready Only need to call this when the * size of the canvas is changed, Since we automatically detect the size change in paint() only * call this on start */ public boolean newImgBuf() { Dimension sz = getSize(); if (sz.width == 0 || sz.height == 0) return false; // quit if the current image already has the right size if (img != null && imgG != null && sz.equals(imgSize)) return true; img = createImage(sz.width, sz.height); if (imgG != null) imgG.dispose(); imgG = img.getGraphics(); imgSize = sz; return true; }
public void setSize(Dimension d) { super.setSize(d); if (offg != null) { offscreen = createImage(getWidth(), getHeight()); offg = offscreen.getGraphics(); } /* if(IGView.view!=null){ IGView.view.setScreenSize(w,h); IGView.view.update(); } IGCore.setDisplaySize(d); */ }
// Use double buffer to reduce flicker when drawing complex ROIs. // Author: Erik Meijering void paintDoubleBuffered(Graphics g) { final int srcRectWidthMag = (int) (srcRect.width * magnification); final int srcRectHeightMag = (int) (srcRect.height * magnification); if (offScreenImage == null || offScreenWidth != srcRectWidthMag || offScreenHeight != srcRectHeightMag) { offScreenImage = createImage(srcRectWidthMag, srcRectHeightMag); offScreenWidth = srcRectWidthMag; offScreenHeight = srcRectHeightMag; } Roi roi = imp.getRoi(); try { if (imageUpdated) { imageUpdated = false; imp.updateImage(); } Graphics offScreenGraphics = offScreenImage.getGraphics(); Java2.setBilinearInterpolation(offScreenGraphics, Prefs.interpolateScaledImages); Image img = imp.getImage(); if (img != null) offScreenGraphics.drawImage( img, 0, 0, srcRectWidthMag, srcRectHeightMag, srcRect.x, srcRect.y, srcRect.x + srcRect.width, srcRect.y + srcRect.height, null); if (overlay != null) drawOverlay(offScreenGraphics); if (showAllROIs) drawAllROIs(offScreenGraphics); if (roi != null) drawRoi(roi, offScreenGraphics); if (srcRect.width < imageWidth || srcRect.height < imageHeight) drawZoomIndicator(offScreenGraphics); if (IJ.debugMode) showFrameRate(offScreenGraphics); g.drawImage(offScreenImage, 0, 0, null); } catch (OutOfMemoryError e) { IJ.outOfMemory("Paint"); } }
public void paint(Graphics g) { if (histogram != null) { if (os == null) { os = createImage(WIDTH, HEIGHT); osg = os.getGraphics(); osg.setColor(Color.white); osg.fillRect(0, 0, WIDTH, HEIGHT); osg.setColor(Color.gray); for (int i = 0; i < WIDTH; i++) { if (hColors != null) osg.setColor(hColors[i]); osg.drawLine(i, HEIGHT, i, HEIGHT - ((int) (HEIGHT * histogram[i]) / hmax) - 4); } osg.dispose(); } g.drawImage(os, 0, 0, this); } else { g.setColor(Color.white); g.fillRect(0, 0, WIDTH, HEIGHT); } g.setColor(Color.black); g.drawLine(0, HEIGHT - 4, 256, HEIGHT - 4); g.drawRect(0, 0, WIDTH, HEIGHT); g.drawRect((int) minHue, 1, (int) (maxHue - minHue), HEIGHT - 5); }
// Although it presently returns a boolean, that was only needed // during my aborted attempted at animated graphics primitives. // Until those become a reality the boolean value returned by this // routine is unnecessary public boolean animate(int sAt, boolean forward) { int x; LinkedList lt = null; animation_done = true; // May be re-set in paintComponent via indirect paintImmediately call at end // Was used in aborted attempted to // introduce animated primitives. Now // it's probably excess baggage that // remains because I still have hopes // of eventually having animated // primitives if (getSize().width != 0 && getSize().height != 0) { my_width = getSize().width; // set dimensions my_height = getSize().height; } else { my_width = GaigsAV.preferred_width; // set dimensions my_height = GaigsAV.preferred_height; } // First capture the new image in a buffer called image2 SnapAt = sAt; BufferedImage image2 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = (Graphics2D) image2.getGraphics(); // need a separate object each time? g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor(Color.WHITE); g2.fillRect(0, 0, my_width, my_height); // Set horizoff and vertoff to properly center the visualization in the // viewing window. This is not quite perfect because visualizations // that are not properly centered within their [0,1] localized // coordinates will not be perfectly centered, but it is much better // than it was previously. if (no_mouse_drag) { horizoff = (my_width - GaigsAV.preferred_width) / 2; vertoff = (my_height - GaigsAV.preferred_height) / 2; } list_of_snapshots.reset(); x = 0; lt = new LinkedList(); while (x < SnapAt && list_of_snapshots.hasMoreElements()) { lt = (LinkedList) list_of_snapshots.nextElement(); x++; } lt.reset(); animation_done = true; // System.out.println("before loop " + horizoff); while (lt.hasMoreElements()) { obj tempObj = (obj) lt.nextElement(); animation_done = animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff)); // System.out.println("in loop"); } // Next capture the image we are coming from in a buffer called image1 SnapAt = (forward ? sAt - 1 : sAt + 1); BufferedImage image1 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB); Graphics2D g1 = (Graphics2D) image1.getGraphics(); // need a separate object each time? g1.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g1.setColor(Color.WHITE); g1.fillRect(0, 0, my_width, my_height); // Set horizoff and vertoff to properly center the visualization in the // viewing window. This is not quite perfect because visualizations // that are not properly centered within their [0,1] localized // coordinates will not be perfectly centered, but it is much better // than it was previously. if (no_mouse_drag) { horizoff = (my_width - GaigsAV.preferred_width) / 2; vertoff = (my_height - GaigsAV.preferred_height) / 2; } list_of_snapshots.reset(); x = 0; lt = new LinkedList(); while (x < SnapAt && list_of_snapshots.hasMoreElements()) { lt = (LinkedList) list_of_snapshots.nextElement(); x++; } lt.reset(); animation_done = true; // System.out.println("before loop " + horizoff); while (lt.hasMoreElements()) { obj tempObj = (obj) lt.nextElement(); animation_done = animation_done && (tempObj.execute(g1 /*offscreen*/, zoom, vertoff, horizoff)); // System.out.println("in loop"); } // Now slide from image1 to image2 // From the gaff Visualizer by Chris Gaffney // double step = 4; // Adjust this for more/less granularity between images double step = 40; // Adjust this for more/less granularity between images Image buffer = getGraphicsConfiguration().createCompatibleVolatileImage(my_width, my_height); Graphics2D g2d = (Graphics2D) buffer.getGraphics(); AffineTransform trans = AffineTransform.getTranslateInstance(step * (forward ? -1 : 1), 0); // AffineTransform orig = g2d.getTransform(); Shape mask = createMask(my_width, my_height); for (double i = 0; i < my_width; i += step) { if (i + step > my_width) // last time through loop, so adjust transform trans = AffineTransform.getTranslateInstance(((double) (my_width - i)) * (forward ? -1 : 1), 0); g2d.transform(trans); g2d.drawImage(image1, 0, 0, this); g2d.setColor(Color.BLACK); g2d.fill(mask); AffineTransform last = g2d.getTransform(); g2d.transform(AffineTransform.getTranslateInstance(my_width * (-1 * (forward ? -1 : 1)), 0)); g2d.drawImage(image2, 0, 0, this); g2d.setColor(Color.BLACK); g2d.fill(mask); g2d.setTransform(last); this.my_image = buffer; repaint(); try { Thread.sleep(10); } catch (InterruptedException e) { } } Image b = getGraphicsConfiguration().createCompatibleImage(my_width, my_height); b.getGraphics().drawImage(buffer, 0, 0, null); this.my_image = b; return animation_done; }
public void initScreen() { offscreen = createImage(getWidth(), getHeight()); if (offscreen != null) { offg = offscreen.getGraphics(); } }