import java.awt.Toolkit;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
+import java.awt.image.BufferStrategy;
import java.io.InputStream;
import java.util.Date;
import javax.swing.JFrame;
*/
public final class SwingScreen extends Screen {
+ /**
+ * If true, use double buffering thread.
+ */
+ private static final boolean doubleBuffer = true;
+
/**
* Cursor style to draw.
*/
*/
private static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf";
+ /**
+ * The BufferStrategy object needed for double-buffering.
+ */
+ private BufferStrategy bufferStrategy;
+
/**
* The TUI Screen data.
*/
* @return the Swing Color
*/
private Color attrToForegroundColor(final CellAttributes attr) {
- /*
- * TODO:
- * reverse
- * blink
- * underline
- */
if (attr.isBold()) {
if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) {
return MYBOLD_BLACK;
* @return the Swing Color
*/
private Color attrToBackgroundColor(final CellAttributes attr) {
- /*
- * TODO:
- * reverse
- * blink
- * underline
- */
if (attr.getBackColor().equals(jexer.bits.Color.BLACK)) {
return MYBLACK;
} else if (attr.getBackColor().equals(jexer.bits.Color.RED)) {
// Save the text cell width/height
getFontDimensions();
+
+ // Setup double-buffering
+ if (SwingScreen.doubleBuffer) {
+ setIgnoreRepaint(true);
+ createBufferStrategy(2);
+ bufferStrategy = getBufferStrategy();
+ }
}
/**
Cell lCell = screen.logical[x][y];
Cell pCell = screen.physical[x][y];
- if (!lCell.equals(pCell) || reallyCleared) {
+ if (!lCell.equals(pCell)
+ || lCell.isBlink()
+ || reallyCleared) {
+
+ Cell lCellColor = new Cell();
+ lCellColor.setTo(lCell);
+
+ // Check for reverse
+ if (lCell.isReverse()) {
+ lCellColor.setForeColor(lCell.getBackColor());
+ lCellColor.setBackColor(lCell.getForeColor());
+ }
+
// Draw the background rectangle, then the
// foreground character.
- gr.setColor(attrToBackgroundColor(lCell));
+ gr.setColor(attrToBackgroundColor(lCellColor));
gr.fillRect(xPixel, yPixel, textWidth, textHeight);
- gr.setColor(attrToForegroundColor(lCell));
- char [] chars = new char[1];
- chars[0] = lCell.getChar();
- gr.drawChars(chars, 0, 1, xPixel,
- yPixel + textHeight - maxDescent);
+
+ // Handle blink and underline
+ if (!lCell.isBlink()
+ || (lCell.isBlink() && cursorBlinkVisible)
+ ) {
+ gr.setColor(attrToForegroundColor(lCellColor));
+ char [] chars = new char[1];
+ chars[0] = lCell.getChar();
+ gr.drawChars(chars, 0, 1, xPixel,
+ yPixel + textHeight - maxDescent);
+ if (lCell.isUnderline()) {
+ gr.fillRect(xPixel, yPixel + textHeight - 2,
+ textWidth, 2);
+ }
+ }
// Physical is always updated
physical[x][y].setTo(lCell);
*/
SwingFrame frame;
+ /**
+ * Restore terminal to normal state.
+ */
+ public void shutdown() {
+ frame.dispose();
+ }
+
/**
* Public constructor.
*/
if (reallyCleared) {
// Really refreshed, do it all
- frame.repaint();
+ if (SwingScreen.doubleBuffer) {
+ Graphics gr = frame.bufferStrategy.getDrawGraphics();
+ frame.paint(gr);
+ gr.dispose();
+ frame.bufferStrategy.show();
+ Toolkit.getDefaultToolkit().sync();
+ } else {
+ frame.repaint();
+ }
return;
}
|| ((x == cursorX)
&& (y == cursorY)
&& cursorVisible)
+ || lCell.isBlink()
) {
if (xPixel < xMin) {
xMin = xPixel;
}
// Repaint the desired area
- frame.repaint(xMin, yMin, xMax - xMin, yMax - yMin);
- // System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax, yMin, yMax);
+ // System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax,
+ // yMin, yMax);
+ if (SwingScreen.doubleBuffer) {
+ Graphics gr = frame.bufferStrategy.getDrawGraphics();
+ Rectangle bounds = new Rectangle(xMin, yMin, xMax - xMin,
+ yMax - yMin);
+ gr.setClip(bounds);
+ frame.paint(gr);
+ gr.dispose();
+ frame.bufferStrategy.show();
+ Toolkit.getDefaultToolkit().sync();
+ } else {
+ frame.repaint(xMin, yMin, xMax - xMin, yMax - yMin);
+ }
}
/**