import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.Graphics;
+import java.awt.Insets;
import java.awt.geom.Rectangle2D;
+import java.io.InputStream;
/**
* This Screen implementation draws to a Java AWT Frame.
*/
public final class AWTScreen extends Screen {
+ private static Color MYBLACK;
+ private static Color MYRED;
+ private static Color MYGREEN;
+ private static Color MYYELLOW;
+ private static Color MYBLUE;
+ private static Color MYMAGENTA;
+ private static Color MYCYAN;
+ private static Color MYWHITE;
+
+ private static Color MYBOLD_BLACK;
+ private static Color MYBOLD_RED;
+ private static Color MYBOLD_GREEN;
+ private static Color MYBOLD_YELLOW;
+ private static Color MYBOLD_BLUE;
+ private static Color MYBOLD_MAGENTA;
+ private static Color MYBOLD_CYAN;
+ private static Color MYBOLD_WHITE;
+
+ private static boolean dosColors = false;
+
+ /**
+ * Setup AWT colors to match DOS color palette.
+ */
+ private static void setDOSColors() {
+ if (dosColors) {
+ return;
+ }
+ MYBLACK = new Color(0x00, 0x00, 0x00);
+ MYRED = new Color(0xa8, 0x00, 0x00);
+ MYGREEN = new Color(0x00, 0xa8, 0x00);
+ MYYELLOW = new Color(0xa8, 0x54, 0x00);
+ MYBLUE = new Color(0x00, 0x00, 0xa8);
+ MYMAGENTA = new Color(0xa8, 0x00, 0xa8);
+ MYCYAN = new Color(0x00, 0xa8, 0xa8);
+ MYWHITE = new Color(0xa8, 0xa8, 0xa8);
+ MYBOLD_BLACK = new Color(0x54, 0x54, 0x54);
+ MYBOLD_RED = new Color(0xfc, 0x54, 0x54);
+ MYBOLD_GREEN = new Color(0x54, 0xfc, 0x54);
+ MYBOLD_YELLOW = new Color(0xfc, 0xfc, 0x54);
+ MYBOLD_BLUE = new Color(0x54, 0x54, 0xfc);
+ MYBOLD_MAGENTA = new Color(0xfc, 0x54, 0xfc);
+ MYBOLD_CYAN = new Color(0x54, 0xfc, 0xfc);
+ MYBOLD_WHITE = new Color(0xfc, 0xfc, 0xfc);
+
+ dosColors = true;
+ }
+
/**
* AWTFrame is our top-level hook into the AWT system.
*/
class AWTFrame extends Frame {
+ /**
+ * The terminus font resource filename.
+ */
+ private static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf";
+
/**
* The TUI Screen data.
*/
*/
private int textHeight = 1;
+ /**
+ * Descent of a character cell.
+ */
+ private int maxDescent = 0;
+
/**
* Top pixel value.
*/
private int top = 30;
-
+
/**
* Left pixel value.
*/
private int left = 30;
-
+
+ /**
+ * Convert a CellAttributes foreground color to an AWT Color.
+ *
+ * @param attr the text attributes
+ * @return the AWT Color
+ */
+ private Color attrToForegroundColor(final CellAttributes attr) {
+ /*
+ * TODO:
+ * reverse
+ * blink
+ * underline
+ */
+ if (attr.getBold()) {
+ if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) {
+ return MYBOLD_BLACK;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) {
+ return MYBOLD_RED;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) {
+ return MYBOLD_BLUE;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) {
+ return MYBOLD_GREEN;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) {
+ return MYBOLD_YELLOW;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) {
+ return MYBOLD_CYAN;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
+ return MYBOLD_MAGENTA;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) {
+ return MYBOLD_WHITE;
+ }
+ } else {
+ if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) {
+ return MYBLACK;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) {
+ return MYRED;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) {
+ return MYBLUE;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) {
+ return MYGREEN;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) {
+ return MYYELLOW;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) {
+ return MYCYAN;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
+ return MYMAGENTA;
+ } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) {
+ return MYWHITE;
+ }
+ }
+ throw new IllegalArgumentException("Invalid color: " + attr.getForeColor().getValue());
+ }
+
+ /**
+ * Convert a CellAttributes background color to an AWT Color.
+ *
+ * @param attr the text attributes
+ * @return the AWT 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)) {
+ return MYRED;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.BLUE)) {
+ return MYBLUE;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.GREEN)) {
+ return MYGREEN;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.YELLOW)) {
+ return MYYELLOW;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.CYAN)) {
+ return MYCYAN;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.MAGENTA)) {
+ return MYMAGENTA;
+ } else if (attr.getBackColor().equals(jexer.bits.Color.WHITE)) {
+ return MYWHITE;
+ }
+ throw new IllegalArgumentException("Invalid color: " + attr.getBackColor().getValue());
+ }
+
/**
* Public constructor.
+ *
+ * @param screen the Screen that Backend talks to
*/
- public AWTFrame() {
+ public AWTFrame(final AWTScreen screen) {
+ this.screen = screen;
+ setDOSColors();
+
setTitle("Jexer Application");
setBackground(java.awt.Color.black);
setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));
- setFont(new Font("Liberation Mono", Font.BOLD, 16));
+ // setFont(new Font("Liberation Mono", Font.BOLD, 16));
// setFont(new Font(Font.MONOSPACED, Font.PLAIN, 16));
- setSize(100, 100);
+
+ try {
+ ClassLoader loader = Thread.currentThread().getContextClassLoader();
+ InputStream in = loader.getResourceAsStream(FONTFILE);
+ Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in);
+ Font terminus = terminusRoot.deriveFont(Font.PLAIN, 22);
+ setFont(terminus);
+ } catch (Exception e) {
+ e.printStackTrace();
+ // setFont(new Font("Liberation Mono", Font.PLAIN, 24));
+ setFont(new Font(Font.MONOSPACED, Font.PLAIN, 24));
+ }
setVisible(true);
+ resizeToScreen();
}
/**
* Resize to font dimensions.
*/
public void resizeToScreen() {
- Graphics gr = getGraphics();
- FontMetrics fm = gr.getFontMetrics();
- textWidth = fm.charWidth('m');
- textHeight = fm.getHeight();
- setSize((textWidth + 1) * screen.width + (2 * left),
- (textHeight + 1) * screen.height + (2 * top));
-
- System.err.printf("W: %d H: %d\n", textWidth, textHeight);
+ Graphics gr = getGraphics();
+ FontMetrics fm = gr.getFontMetrics();
+ maxDescent = fm.getMaxDescent();
+ Rectangle2D bounds = fm.getMaxCharBounds(gr);
+ int leading = fm.getLeading();
+ textWidth = (int)Math.round(bounds.getWidth());
+ textHeight = (int)Math.round(bounds.getHeight()) - maxDescent;
+ // This also produces the same number, but works better for ugly
+ // monospace.
+ textHeight = fm.getMaxAscent() + maxDescent - leading;
+
+ // Figure out the thickness of borders and use that to set the
+ // final size.
+ Insets insets = getInsets();
+ left = insets.left;
+ top = insets.top;
+
+ setSize(textWidth * screen.width + insets.left + insets.right,
+ textHeight * screen.height + insets.top + insets.bottom);
+
+ /*
+ System.err.printf("W: %d H: %d MD: %d L: %d\n", textWidth,
+ textHeight, maxDescent, leading);
+ */
}
/**
* @param gr the AWT Graphics context
*/
@Override
- public void paint(Graphics gr) {
+ public void paint(final Graphics gr) {
for (int y = 0; y < screen.height; y++) {
for (int x = 0; x < screen.width; x++) {
Cell lCell = screen.logical[x][y];
Cell pCell = screen.physical[x][y];
- int xPixel = x * (textWidth + 1) + left;
- int yPixel = y * (textHeight + 1) + top - y;
+ int xPixel = x * textWidth + left;
+ int yPixel = y * textHeight + top;
if (!lCell.equals(pCell)) {
+
// Draw the background rectangle, then the foreground
// character.
- if (lCell.getBackColor().equals(jexer.bits.Color.BLACK)) {
- gr.setColor(Color.black);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.RED)) {
- gr.setColor(Color.red);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.BLUE)) {
- gr.setColor(Color.blue);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.GREEN)) {
- gr.setColor(Color.green);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.YELLOW)) {
- gr.setColor(Color.yellow);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.CYAN)) {
- gr.setColor(Color.cyan);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.MAGENTA)) {
- gr.setColor(Color.magenta);
- } else if (lCell.getBackColor().equals(jexer.bits.Color.WHITE)) {
- gr.setColor(Color.white);
- }
- gr.fillRect(xPixel, yPixel, textWidth + 1,
- textHeight + 2);
-
- if (lCell.getForeColor().equals(jexer.bits.Color.BLACK)) {
- gr.setColor(Color.black);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.RED)) {
- gr.setColor(Color.red);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.BLUE)) {
- gr.setColor(Color.blue);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.GREEN)) {
- gr.setColor(Color.green);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.YELLOW)) {
- gr.setColor(Color.yellow);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.CYAN)) {
- gr.setColor(Color.cyan);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.MAGENTA)) {
- gr.setColor(Color.magenta);
- } else if (lCell.getForeColor().equals(jexer.bits.Color.WHITE)) {
- gr.setColor(Color.white);
- }
+ gr.setColor(attrToBackgroundColor(lCell));
+ 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 - 2);
+ yPixel + textHeight - maxDescent);
// Physical is always updated
physical[x][y].setTo(lCell);
}
/**
- * The raw AWT Frame.
+ * The raw AWT Frame. Note package private access.
*/
- private AWTFrame frame;
+ AWTFrame frame;
/**
* Public constructor.
*/
public AWTScreen() {
- frame = new AWTFrame();
- frame.screen = this;
- frame.resizeToScreen();
+ frame = new AWTFrame(this);
}
/**