Ejemplo n.º 1
0
  /**
   * Draw every char in separate terminal cell to guaranty equal width for different lines.
   * Nevertheless to improve kerning we draw word characters as one block for monospaced fonts.
   */
  private void drawChars(int x, int y, CharBuffer buf, TextStyle style, Graphics2D gfx) {
    final int blockLen = 1;
    int offset = 0;
    int drawCharsOffset = 0;

    // workaround to fix Swing bad rendering of bold special chars on Linux
    // TODO required for italic?
    CharBuffer renderingBuffer;
    if (mySettingsProvider.DECCompatibilityMode() && style.hasOption(TextStyle.Option.BOLD)) {
      renderingBuffer = CharUtils.heavyDecCompatibleBuffer(buf);
    } else {
      renderingBuffer = buf;
    }

    while (offset + blockLen <= buf.length()) {
      if (renderingBuffer.getBuf()[buf.getStart() + offset] == CharUtils.DWC) {
        offset += blockLen;
        drawCharsOffset += blockLen;
        continue; // dont' draw second part(fake one) of double width character
      }

      Font font = getFontToDisplay(buf.charAt(offset + blockLen - 1), style);
      //      while (myMonospaced && (offset + blockLen < buf.getLength()) &&
      // isWordCharacter(buf.charAt(offset + blockLen - 1))
      //              && (font == getFontToDisplay(buf.charAt(offset + blockLen - 1), style))) {
      //        blockLen++;
      //      }
      gfx.setFont(font);

      int descent = gfx.getFontMetrics(font).getDescent();
      int baseLine = (y + 1) * myCharSize.height - descent;
      int xCoord = (x + drawCharsOffset) * myCharSize.width;
      int textLength =
          CharUtils.getTextLengthDoubleWidthAware(
              buf.getBuf(),
              buf.getStart() + offset,
              blockLen,
              mySettingsProvider.ambiguousCharsAreDoubleWidth());

      int yCoord = y * myCharSize.height;

      gfx.setClip(
          xCoord,
          yCoord,
          Math.min(textLength * myCharSize.width, getWidth() - xCoord),
          Math.min(myCharSize.height, getHeight() - yCoord));

      gfx.setColor(getPalette().getColor(myStyleState.getForeground(style.getForegroundForRun())));

      gfx.drawChars(renderingBuffer.getBuf(), buf.getStart() + offset, blockLen, xCoord, baseLine);

      drawCharsOffset += blockLen;
      offset += blockLen;
    }
    gfx.setClip(null);
  }
Ejemplo n.º 2
0
  private void establishFontMetrics() {
    final BufferedImage img = createBufferedImage(1, 1);
    final Graphics2D graphics = img.createGraphics();
    graphics.setFont(myNormalFont);

    final float lineSpace = mySettingsProvider.getLineSpace();
    final FontMetrics fo = graphics.getFontMetrics();

    myDescent = fo.getDescent();
    myCharSize.width = fo.charWidth('W');
    myCharSize.height = fo.getHeight() + (int) (lineSpace * 2);
    myDescent += lineSpace;

    myMonospaced = isMonospaced(fo);
    if (!myMonospaced) {
      LOG.info("WARNING: Font " + myNormalFont.getName() + " is non-monospaced");
    }

    img.flush();
    graphics.dispose();
  }