Importing release version 322 from old repos

src/wsi/ra/print/PagePrinter.java

@@ -0,0 +1,156 @@
+/**
+ *  Filename: $RCSfile: PagePrinter.java,v $
+ *  Purpose:
+ *  Language: Java
+ *  Compiler: JDK 1.3
+ *  Authors:  Fabian Hennecke
+ *  Version:  $Revision: 1.1.1.1 $
+ *            $Date: 2003/07/03 14:59:40 $
+ *            $Author: ulmerh $
+ *  Copyright (c) Dept. Computer Architecture, University of Tuebingen, Germany
+ */
+
+package wsi.ra.print;
+
+/*==========================================================================*
+ * IMPORTS
+ *==========================================================================*/
+
+import java.awt.* ;
+import java.awt.print.* ;
+import java.awt.image.BufferedImage ;
+import javax.swing.* ;
+
+/*==========================================================================*
+ * CLASS DECLARATION
+ *==========================================================================*/
+
+public class PagePrinter
+{
+  Component c;
+  Graphics g;
+  PageFormat pf;
+  public boolean fit_in_possible = true;
+
+  public PagePrinter( Component c, Graphics g, PageFormat pf ) {
+    this.c = c;
+    this.g = g;
+    this.pf = pf;
+  }
+
+  public int print(){
+    Dimension old = c.getSize();
+
+    int x = (int)pf.getImageableX(),
+        y = (int)pf.getImageableY();
+
+    g.translate( x, y );
+
+    double w = (int)pf.getImageableWidth(),
+           h = (int)pf.getImageableHeight();
+
+    if( old.width > w || old.height > h ){
+      boolean rec_turn = false, rec_fit_in = false;
+      if( ( old.width > old.height && h > w ) ||
+          ( old.width < old.height && h < w ) ) {
+        rec_turn = true;
+        if( old.width > h || old.height > w ) rec_fit_in = true;
+      }
+      else rec_fit_in = true;
+
+      JLabel[] text = new JLabel[4];
+      text[0] = new JLabel("The component which should be printed");
+      text[1] = new JLabel("is too large.");
+      text[2] = new JLabel("You can choose if the component should be");
+      JCheckBox cbFitIn = new JCheckBox("fitted-in", rec_fit_in),
+                cbTurn = new JCheckBox("turned", rec_turn );
+      text[3] = new JLabel("(Recommended choice is pre-selected)");
+
+      if( !fit_in_possible ){
+        cbFitIn.setEnabled( false );
+        cbFitIn.setSelected( false );
+      }
+
+      GridBagLayout gbl = new GridBagLayout();
+      JPanel panel = new JPanel( gbl );
+      GridBagConstraints gbc = new GridBagConstraints();
+      gbc.gridx = gbc.gridy = 0;
+      gbc.weightx = gbc.weighty = .5;
+
+      gbc.gridwidth = 2;
+      gbl.setConstraints( text[0], gbc );
+      panel.add( text[0] );
+
+      gbc.gridy++;
+      gbl.setConstraints( text[1], gbc );
+      panel.add( text[1] );
+
+      gbc.gridy++;
+      gbl.setConstraints( text[2], gbc );
+      panel.add( text[2] );
+
+      gbc.gridy++;
+      gbc.gridwidth = 1;
+      gbl.setConstraints( cbFitIn, gbc );
+      panel.add( cbFitIn );
+
+      gbc.gridx++;
+      gbl.setConstraints( cbTurn, gbc );
+      panel.add( cbTurn );
+      gbc.gridx = 0;
+      gbc.gridwidth = 2;
+      gbc.gridy++;
+      gbl.setConstraints( text[3], gbc);
+      panel.add( text[3] );
+
+      int choice = JOptionPane.showOptionDialog( c, panel, "Fit-in",
+                                    JOptionPane.OK_CANCEL_OPTION,
+                                    JOptionPane.QUESTION_MESSAGE,
+                                    null, null, null );
+
+      if( choice == JOptionPane.CANCEL_OPTION || choice == JOptionPane.CLOSED_OPTION )
+        return Printable.NO_SUCH_PAGE;
+
+      else if( choice == JOptionPane.OK_OPTION ){
+
+        if( cbTurn.isSelected() ){
+          BufferedImage img;
+          if( cbFitIn.isSelected() ){
+            double m = Math.min( h / (double)old.width, w / (double)old.height );
+            img = (BufferedImage)c.createImage( (int)( old.height * m ), (int)( old.width * m ) );
+            Graphics2D g2 = img.createGraphics();
+            g2.rotate( Math.toRadians( 90 ) );
+            g2.translate( 0, - old.height * m );
+            c.setSize( (int)( old.width * m ), (int)( old.height * m ) );
+            c.paint( g2 );
+            c.setSize( old );
+          }
+          else{
+            img = (BufferedImage)c.createImage( old.height, old.width );
+            Graphics2D g2 = img.createGraphics();
+            g2.rotate( Math.toRadians( 90 ) );
+            g2.translate( 0, - old.height );
+            c.paint( g2 );
+          }
+          g.drawImage( img, 0, 0, c.getBackground(), c );
+        }
+
+        else{
+          if( cbFitIn.isSelected() ){
+            double m = Math.min( w / (double)old.width, h / (double)old.height );
+            c.setSize( (int)( old.width * m ), (int)( old.height * m ) );
+            c.paint( g );
+            c.setSize( old );
+          }
+          else c.paint( g );
+        }
+      }
+    }
+    else  c.paint( g );
+    return Printable.PAGE_EXISTS;
+  }
+}
+
+/****************************************************************************
+ * END OF FILE
+ ****************************************************************************/