public static void main(String[] args) {
   final Display display = new Display();
   final Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   final StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
   styledText.setText(text);
   FontData data = display.getSystemFont().getFontData()[0];
   Font font = new Font(display, data.getName(), 16, SWT.BOLD);
   styledText.setFont(font);
   styledText.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
   styledText.addListener(
       SWT.Resize,
       new Listener() {
         public void handleEvent(Event event) {
           Rectangle rect = styledText.getClientArea();
           Image newImage = new Image(display, 1, Math.max(1, rect.height));
           GC gc = new GC(newImage);
           gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
           gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
           gc.fillGradientRectangle(rect.x, rect.y, 1, rect.height, true);
           gc.dispose();
           styledText.setBackgroundImage(newImage);
           if (oldImage != null) oldImage.dispose();
           oldImage = newImage;
         }
       });
   shell.setSize(700, 400);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   if (oldImage != null) oldImage.dispose();
   font.dispose();
   display.dispose();
 }
Exemplo n.º 2
0
 private void init() {
   org.eclipse.swt.widgets.Display display = mainComposite.getDisplay();
   paintColorWhite = new org.eclipse.swt.graphics.Color(display, 255, 255, 255);
   paintColorBlack = new org.eclipse.swt.graphics.Color(display, 0, 0, 0);
   paintDefaultFont = display.getSystemFont();
   paintColors = new org.eclipse.swt.graphics.Color[numPaletteCols * numPaletteRows];
   paintColors[0] = paintColorBlack;
   paintColors[1] = paintColorWhite;
   for (int i = 2; i < paintColors.length; i++) {
     paintColors[i] =
         new org.eclipse.swt.graphics.Color(display, i * 7 % 255, i * 23 % 255, i * 51 % 255);
   }
   toolSettings = new org.eclipse.swt.examples.paint.ToolSettings();
   toolSettings.commonForegroundColor = paintColorBlack;
   toolSettings.commonBackgroundColor = paintColorWhite;
   toolSettings.commonFont = paintDefaultFont;
 }
Exemplo n.º 3
0
  /** Initialize colors, fonts, and tool settings. */
  private void init() {
    Display display = mainComposite.getDisplay();

    paintColorWhite = new Color(display, 255, 255, 255);
    paintColorBlack = new Color(display, 0, 0, 0);

    paintDefaultFont = display.getSystemFont();

    paintColors = new Color[PaintExample.numPaletteCols * PaintExample.numPaletteRows];
    paintColors[0] = paintColorBlack;
    paintColors[1] = paintColorWhite;
    for (int i = 2; i < paintColors.length; i++)
      paintColors[i] = new Color(display, (i * 7 % 255), (i * 23 % 255), (i * 51 % 255));

    toolSettings = new ToolSettings();
    toolSettings.commonForegroundColor = paintColorBlack;
    toolSettings.commonBackgroundColor = paintColorWhite;
    toolSettings.commonFont = paintDefaultFont;
  }