Esempio n. 1
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 /**
  * Create possibly volatile scratch image for fast painting. A scratch image can become
  * invalidated, when this happens any actions involving it are ignored, and it needs to be
  * recreated. Use isScratchImageValid() to check this.
  */
 public static Image createScratchImage(int width, int height) {
   try {
     Image img =
         (Image)
             tryMethod(
                 output_comp,
                 "createVolatileImage",
                 new Object[] {new Integer(width), new Integer(height)});
     if (img == null) {
       // no such method -> create regular image
       return output_comp.createImage(width, height);
     }
     // if (img.validate(output_comp.getGraphicsConfiguration())
     // == VolatileImage.IMAGE_INCOMPATIBLE) {
     GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
     GraphicsDevice gs = ge.getDefaultScreenDevice();
     GraphicsConfiguration gc = gs.getDefaultConfiguration();
     Integer valid = (Integer) tryMethod(img, "validate", new Object[] {gc});
     // output_comp.getGraphicsConfiguration() });
     if (valid.intValue() == 2) { // I checked, IMAGE_INCOMPATIBLE=2
       // Hmm, somehow it didn't work. Create regular image.
       return output_comp.createImage(width, height);
     }
     return img;
   } catch (java.security.AccessControlException e) {
     // we're not allowed to do this (we're probably an applet)
     return output_comp.createImage(width, height);
   }
 }
Esempio n. 2
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 protected JComboBox createFontChoice() {
   CommandChoice choice = new CommandChoice();
   String fonts[] =
       GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
   for (int i = 0; i < fonts.length; i++) {
     choice.addItem(
         new ChangeAttributeCommand(fonts[i], FigureAttributeConstant.FONT_NAME, fonts[i], this));
   }
   return choice;
 }
Esempio n. 3
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 /** Create empty image with given alpha mode that should be efficient on this display */
 public static BufferedImage createCompatibleImage(int width, int height, int transparency) {
   // try {
   GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
   GraphicsDevice gs = ge.getDefaultScreenDevice();
   GraphicsConfiguration gc = gs.getDefaultConfiguration();
   // always use bitmask transparency
   BufferedImage bimage = gc.createCompatibleImage(width, height, transparency);
   return bimage;
   // } catch (HeadlessException e) { // this exception is not in 1.2
   // The system does not have a screen
   //	e.printStackTrace();
   //	return null;
   // }
 }
Esempio n. 4
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 public Point getPreferredLocation() {
   if (!IJ.isJava14()) return new Point(0, 0);
   GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
   Rectangle maxBounds = ge.getMaximumWindowBounds();
   int ijX = Prefs.getInt(IJ_X, -99);
   int ijY = Prefs.getInt(IJ_Y, -99);
   if (ijX >= 0 && ijY > 0 && ijX < (maxBounds.x + maxBounds.width - 75))
     return new Point(ijX, ijY);
   Dimension tbsize = toolbar.getPreferredSize();
   int ijWidth = tbsize.width + 10;
   double percent = maxBounds.width > 832 ? 0.8 : 0.9;
   ijX = (int) (percent * (maxBounds.width - ijWidth));
   if (ijX < 10) ijX = 10;
   return new Point(ijX, maxBounds.y);
 }