--- /dev/null
+/*
+ VARNA is a tool for the automated drawing, visualization and annotation of the secondary structure of RNA, designed as a companion software for web servers and databases.
+ Copyright (C) 2008 Kevin Darty, Alain Denise and Yann Ponty.
+ electronic mail : Yann.Ponty@lri.fr
+ paper mail : LRI, bat 490 Université Paris-Sud 91405 Orsay Cedex France
+
+ This file is part of VARNA version 3.1.
+ VARNA version 3.1 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+
+ VARNA version 3.1 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with VARNA version 3.1.
+ If not, see http://www.gnu.org/licenses.
+ */
+package fr.orsay.lri.varna.views;
+
+import java.awt.BorderLayout;
+import java.awt.Container;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.font.FontRenderContext;
+import java.awt.font.TextLayout;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Line2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.awt.print.PageFormat;
+import java.awt.print.Printable;
+import java.awt.print.PrinterException;
+import java.awt.print.PrinterJob;
+
+import javax.print.attribute.HashPrintRequestAttributeSet;
+import javax.print.attribute.PrintRequestAttributeSet;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+
+/**
+ * This program demonstrates how to print 2D graphics
+ */
+public class PrintTest {
+ @SuppressWarnings("deprecation")
+ public static void main(String[] args) {
+ JFrame frame = new PrintTestFrame();
+ frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+ frame.show();
+ }
+}
+
+/**
+ * This frame shows a panel with 2D graphics and buttons to print the graphics
+ * and to set up the page format.
+ */
+
+@SuppressWarnings("serial")
+class PrintTestFrame extends JFrame {
+ public PrintTestFrame() {
+ setTitle("PrintTest");
+ setSize(WIDTH, HEIGHT);
+
+ Container contentPane = getContentPane();
+ canvas = new PrintPanel();
+ contentPane.add(canvas, BorderLayout.CENTER);
+
+ attributes = new HashPrintRequestAttributeSet();
+
+ JPanel buttonPanel = new JPanel();
+ JButton printButton = new JButton("Print");
+ buttonPanel.add(printButton);
+ printButton.addActionListener(new ActionListener() {
+
+ public void actionPerformed(ActionEvent event) {
+ try {
+ PrinterJob job = PrinterJob.getPrinterJob();
+ job.setPrintable(canvas);
+ if (job.printDialog(attributes)) {
+ job.print(attributes);
+ }
+ } catch (PrinterException exception) {
+ JOptionPane.showMessageDialog(PrintTestFrame.this,
+ exception);
+ }
+ }
+ });
+
+ JButton pageSetupButton = new JButton("Page setup");
+ buttonPanel.add(pageSetupButton);
+ pageSetupButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent event) {
+ PrinterJob job = PrinterJob.getPrinterJob();
+ job.pageDialog(attributes);
+ }
+ });
+
+ contentPane.add(buttonPanel, BorderLayout.NORTH);
+ }
+
+ private PrintPanel canvas;
+
+ private PrintRequestAttributeSet attributes;
+
+ private static final int WIDTH = 300;
+
+ private static final int HEIGHT = 300;
+}
+
+/**
+ * This panel generates a 2D graphics image for screen display and printing.
+ */
+
+@SuppressWarnings("serial")
+class PrintPanel extends JPanel implements Printable {
+
+ public void paintComponent(Graphics g) {
+ super.paintComponent(g);
+ Graphics2D g2 = (Graphics2D) g;
+ drawPage(g2);
+ }
+
+ public int print(Graphics g, PageFormat pf, int page)
+ throws PrinterException {
+ if (page >= 1)
+ return Printable.NO_SUCH_PAGE;
+ Graphics2D g2 = (Graphics2D) g;
+ g2.translate(pf.getImageableX(), pf.getImageableY());
+ g2.draw(new Rectangle2D.Double(0, 0, pf.getImageableWidth(), pf
+ .getImageableHeight()));
+
+ drawPage(g2);
+ return Printable.PAGE_EXISTS;
+ }
+
+ /**
+ * This method draws the page both on the screen and the printer graphics
+ * context.
+ *
+ * @param g2
+ * the graphics context
+ */
+ public void drawPage(Graphics2D g2) {
+ FontRenderContext context = g2.getFontRenderContext();
+ Font f = new Font("Serif", Font.PLAIN, 72);
+
+ boolean drawOutline = true;
+ /**
+ * textLayout is not implemented
+ *
+ * @j2sNative
+ *
+ * drawOutline = false;
+ */
+ {}
+ if (drawOutline) {
+ // BH: SwingJS HTML5 would have to use a different method for this
+
+ GeneralPath clipShape = new GeneralPath();
+
+ TextLayout layout = new TextLayout("Hello", f, context);
+ AffineTransform transform = AffineTransform.getTranslateInstance(0, 72);
+ Shape outline = layout.getOutline(transform);
+ clipShape.append(outline, false);
+
+ layout = new TextLayout("World", f, context);
+ transform = AffineTransform.getTranslateInstance(0, 144);
+ outline = layout.getOutline(transform);
+ clipShape.append(outline, false);
+
+ g2.draw(clipShape);
+ g2.clip(clipShape);
+ } else {
+ g2.setFont(f);
+ g2.drawString("Hello", 0, 72);
+ g2.drawString("World", 0, 144);
+ }
+
+ final int NLINES = 50;
+ Point2D p = new Point2D.Double(0, 0);
+ for (int i = 0; i < NLINES; i++) {
+ double x = (2 * getWidth() * i) / NLINES;
+ double y = (2 * getHeight() * (NLINES - 1 - i)) / NLINES;
+ Point2D q = new Point2D.Double(x, y);
+ g2.draw(new Line2D.Double(p, q));
+ }
+ }
+}
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git://source.jalview.org / jalview.git / blobdiff