/* $RCSfile$ * $Author$ * $Date$ * $Revision$ * * Copyright (C) 2006 The Jmol Development Team * * Contact: jmol-developers@lists.sf.net * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ package jspecview.java; import java.awt.AlphaComposite; import java.awt.Color; import java.awt.Component; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.MediaTracker; import java.awt.RenderingHints; import java.awt.Toolkit; import java.awt.image.BufferedImage; import java.awt.image.DataBuffer; import java.awt.image.DirectColorModel; import java.awt.image.DataBufferInt; import java.awt.image.PixelGrabber; import java.awt.image.Raster; import java.awt.image.SinglePixelPackedSampleModel; import java.net.URL; import org.jmol.api.PlatformViewer; /** * methods required by Jmol that access java.awt.Image * * private to jspecview.java * */ class Image { static Object createImage(Object data) { if (data instanceof URL) return Toolkit.getDefaultToolkit().createImage((URL) data); if (data instanceof String) return Toolkit.getDefaultToolkit().createImage((String) data); if (data instanceof byte[]) return Toolkit.getDefaultToolkit().createImage((byte[]) data); return null; } /** * @param viewer * @param image * @throws InterruptedException */ static void waitForDisplay(PlatformViewer viewer, Object image) throws InterruptedException { Object display = null;//((Viewer) viewer).getDisplay(); MediaTracker mediaTracker = new MediaTracker((Component) display); int rnd = (int) (Math.random() * 100000); mediaTracker.addImage((java.awt.Image) image, rnd); mediaTracker.waitForID(rnd); } static int getWidth(Object image) { return ((java.awt.Image) image).getWidth(null); } static int getHeight(Object image) { return ((java.awt.Image) image).getHeight(null); } static int[] grabPixels(Object imageobj, int width, int height, int[] pixels) { BufferedImage image = (BufferedImage) imageobj; int iw = image.getWidth(); int[] data = ((DataBufferInt) image.getRaster().getDataBuffer()).getData(); if (iw == width && image.getHeight() == height) { return data; } if (pixels == null) pixels = new int[width * height]; for (int i = 0, p = 0, d = 0, n = iw - width; i < height; i++, d += n) { for (int j = 0; j < width; j++) { pixels[p++] = data[d++]; } } return pixels; // PixelGrabber pixelGrabber = (pixels == null // ? new PixelGrabber(image, 0, 0, width, height, true) // : new PixelGrabber(image, 0, 0, width, height, pixels, 0, width)); // try { // System.out.println("Image grabPixels 1 " + pixelGrabber); // pixelGrabber.grabPixels(); // System.out.println("Image grabPixels 2 " + pixelGrabber); // } catch (InterruptedException e) { // System.out.println("Image grabPixels failed " + pixelGrabber); // return null; // } // return (int[]) pixelGrabber.getPixels(); } static int[] drawImageToBuffer(Object gOffscreen, Object imageOffscreen, Object imageobj, int width, int height, int bgcolor) { Graphics g = (Graphics) gOffscreen; java.awt.Image image = (java.awt.Image) imageobj; int width0 = image.getWidth(null); int height0 = image.getHeight(null); if (g instanceof Graphics2D) { ((Graphics2D) g).setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_IN, 1.0f)); g.setColor(bgcolor == 0 ? new AwtColor(0, 0, 0, 0) : new AwtColor(bgcolor)); g.fillRect(0, 0, width, height); ((Graphics2D) g).setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_OVER, 1.0f)); g.drawImage(image, 0, 0, width, height, 0, 0, width0, height0, null); } else { g.clearRect(0, 0, width, height); g.drawImage(image, 0, 0, width, height, 0, 0, width0, height0, null); } return grabPixels(imageOffscreen, width, height, null); } public static int[] getTextPixels(String text, org.jmol.util.Font font3d, Object gObj, Object image, int width, int height, int ascent) { Graphics g = (Graphics) gObj; g.setColor(Color.black); g.fillRect(0, 0, width, height); g.setColor(Color.white); g.setFont((java.awt.Font) font3d.font); g.drawString(text, 0, ascent); return grabPixels(image, width, height, null); } static Object newBufferedImage(Object image, int w, int h) { return new BufferedImage(w, h, ((BufferedImage) image).getType()); } static Object newBufferedImage(int w, int h) { return new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); } /* private final static DirectColorModel rgbColorModelT = new DirectColorModel(32, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000); private final static int[] sampleModelBitMasksT = { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }; */ private final static DirectColorModel rgbColorModel = new DirectColorModel( 24, 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000); private final static int[] sampleModelBitMasks = { 0x00FF0000, 0x0000FF00, 0x000000FF }; /** * @param windowWidth * @param windowHeight * @param pBuffer * @param windowSize * @param backgroundTransparent * @return an Image */ static Object allocateRgbImage(int windowWidth, int windowHeight, int[] pBuffer, int windowSize, boolean backgroundTransparent) { //backgroundTransparent not working with antialiasDisplay. I have no idea why. BH 9/24/08 /* DEAD CODE if (false && backgroundTransparent) return new BufferedImage( rgbColorModelT, Raster.createWritableRaster( new SinglePixelPackedSampleModel( DataBuffer.TYPE_INT, windowWidth, windowHeight, sampleModelBitMasksT), new DataBufferInt(pBuffer, windowSize), null), false, null); */ return new BufferedImage(rgbColorModel, Raster.createWritableRaster( new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, windowWidth, windowHeight, sampleModelBitMasks), new DataBufferInt(pBuffer, windowSize), null), false, null); } /** * @param image * @param backgroundTransparent * @return Graphics object */ static Object getStaticGraphics(Object image, boolean backgroundTransparent) { Graphics2D g2d = ((BufferedImage) image).createGraphics(); //if (backgroundTransparent) { // what here? //} // miguel 20041122 // we need to turn off text antialiasing on OSX when // running in a web browser // Despite the above comment, 13.1.8 adds text antialiasing // for all conditions -- Bob Hanson, Oct. 27, 2012 g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); // I don't know if we need these or not, but cannot hurt to have them g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED); return g2d; } static Object getGraphics(Object image) { return ((java.awt.Image) image).getGraphics(); } /** * * @param g * @param img * @param x * @param y * @param width * unused in Jmol proper * @param height * unused in Jmol proper */ static void drawImage(Object g, Object img, int x, int y, int width, int height) { ((Graphics) g).drawImage((java.awt.Image) img, x, y, null); } static void flush(Object image) { ((java.awt.Image) image).flush(); } static void disposeGraphics(Object graphicForText) { ((java.awt.Graphics) graphicForText).dispose(); } }