Draw string and display newlines and tabs as nonprintable characters. : 画字符串 « SWT 二维图形 « Java 教程

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Java 教程 » SWT 二维图形 » 画字符串 
18. 14. 1. Draw string and display newlines and tabs as nonprintable characters.
void drawString(String string, int x, int y)
Draw string and display newlines and tabs as nonprintable characters.
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class DrawTextSWT {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Canvas Example");
    shell.setLayout(new FillLayout());

    Canvas canvas = new Canvas(shell, SWT.NONE);

    canvas.addPaintListener(new PaintListener() {
      public void paintControl(PaintEvent e) {
        e.gc.drawString("www.java2java.com"55);
      }
    });

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}
18. 14. 画字符串
18. 14. 1. Draw string and display newlines and tabs as nonprintable characters.Draw string and display newlines and tabs as nonprintable characters.
18. 14. 2. 字符串新的生产线和标签字符串新的生产线和标签
18. 14. 3. Draw string and display newlines and tabs as nonprintable characters: isTransparentDraw string and display newlines and tabs as nonprintable characters: isTransparent
18. 14. 4. Draw string and process newlines and expanding tabs: drawText(String text, int x, int y)Draw string and process newlines and expanding tabs: drawText(String text, int x, int y)
18. 14. 5. Draw string and process newlines and expanding tabs: drawText(String text, int x, int y, boolean isTransparent)Draw string and process newlines and expanding tabs: drawText(String text, int x, int y, boolean isTransparent)
18. 14. 6. 绘制字符串和处理换行符,扩大标签绘制字符串和处理换行符,扩大标签
18. 14. 7. Get the extent of a string
18. 14. 8. 衡量String
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