git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/gui/print/PrintUtilities.java

   1 /*
   2  * PrintUtilities.java
   3  */
   4 package net.sf.openrocket.gui.print;
   5
   6
   7 import java.awt.Component;
   8 import java.awt.Graphics;
   9 import java.awt.Graphics2D;
  10 import java.awt.print.PageFormat;
  11 import java.awt.print.Printable;
  12
  13 import javax.swing.RepaintManager;
  14
  15 import net.sf.openrocket.logging.LogHelper;
  16 import net.sf.openrocket.startup.Application;
  17
  18 import com.itextpdf.text.Chunk;
  19 import com.itextpdf.text.Document;
  20 import com.itextpdf.text.DocumentException;
  21 import com.itextpdf.text.Font;
  22 import com.itextpdf.text.Paragraph;
  23
  24 /**
  25  * Utilities methods and fonts used for printing.
  26  */
  27 public class PrintUtilities implements Printable {
  28
  29         /**
  30          * The logger.
  31          */
  32         private static final LogHelper log = Application.getLogger();
  33
  34         public static final int NORMAL_FONT_SIZE = Font.DEFAULTSIZE - 3;
  35         public static final int SMALL_FONT_SIZE = NORMAL_FONT_SIZE - 3;
  36
  37         public static final Font BOLD = new Font(ITextHelper.getBaseFont(), NORMAL_FONT_SIZE, Font.BOLD);
  38         public static final Font BIG_BOLD = new Font(ITextHelper.getBaseFont(), NORMAL_FONT_SIZE + 3, Font.BOLD);
  39         public static final Font BOLD_UNDERLINED = new Font(ITextHelper.getBaseFont(), NORMAL_FONT_SIZE,
  40                                                                                                                 Font.BOLD | Font.UNDERLINE);
  41         public static final Font NORMAL = new Font(ITextHelper.getBaseFont(), NORMAL_FONT_SIZE);
  42         public static final Font SMALL = new Font(ITextHelper.getBaseFont(), SMALL_FONT_SIZE);
  43
  44
  45         private Component componentToBePrinted;
  46
  47         public PrintUtilities(Component componentToBePrinted) {
  48                 this.componentToBePrinted = componentToBePrinted;
  49         }
  50
  51         @Override
  52         public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
  53                 if (pageIndex > 0) {
  54                         return (NO_SUCH_PAGE);
  55                 } else {
  56                         Graphics2D g2d = (Graphics2D) g;
  57                         translateToJavaOrigin(g2d, pageFormat);
  58                         disableDoubleBuffering(componentToBePrinted);
  59                         componentToBePrinted.paint(g2d);
  60                         enableDoubleBuffering(componentToBePrinted);
  61                         return (PAGE_EXISTS);
  62                 }
  63         }
  64
  65         public static void disableDoubleBuffering(Component c) {
  66                 RepaintManager currentManager = RepaintManager.currentManager(c);
  67                 currentManager.setDoubleBufferingEnabled(false);
  68         }
  69
  70         public static void enableDoubleBuffering(Component c) {
  71                 RepaintManager currentManager = RepaintManager.currentManager(c);
  72                 currentManager.setDoubleBufferingEnabled(true);
  73         }
  74
  75
  76         /**
  77          * Translate the page format coordinates onto the graphics object using Java's origin (top left).
  78          *
  79          * @param g2d        the graphics object
  80          * @param pageFormat the print page format
  81          */
  82         public static void translateToJavaOrigin(Graphics2D g2d, PageFormat pageFormat) {
  83                 g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
  84         }
  85
  86         /**
  87          * Add text as a new paragraph in a given font to the document.
  88          *
  89          * @param document  the document
  90          * @param font      the font
  91          * @param title     the title
  92          */
  93         public static void addText(Document document, com.itextpdf.text.Font font, String title) {
  94                 Chunk sectionHeader = new Chunk(title);
  95                 sectionHeader.setFont(font);
  96                 try {
  97                         Paragraph p = new Paragraph();
  98                         p.add(sectionHeader);
  99                         document.add(p);
 100                 } catch (DocumentException e) {
 101                         log.error("Could not add paragraph.", e);
 102                 }
 103         }
 104 }