Java Code Examples for java.awt.FontMetrics#getLeading()

The following examples show how to use java.awt.FontMetrics#getLeading() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: Quelea   File: Utils.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Calculates the largest size of the given font for which the given string
 * will fit into the given size.
 * <p/>
 * @param g the graphics to use in the current context.
 * @param font the original font to base the returned font on.
 * @param string the string to fit.
 * @param width the maximum width available.
 * @param height the maximum height available.
 * @return the maximum font size that fits into the given area.
 */
public static int getMaxFittingFontSize(Graphics g, Font font, String string, int width, int height) {
	int minSize = 0;
	int maxSize = 288;
	int curSize = font.getSize();

	while (maxSize - minSize > 2) {
		FontMetrics fm = g.getFontMetrics(new Font(font.getName(), font.getStyle(), curSize));
		int fontWidth = fm.stringWidth(string);
		int fontHeight = fm.getLeading() + fm.getMaxAscent() + fm.getMaxDescent();

		if ((fontWidth > width) || (fontHeight > height)) {
			maxSize = curSize;
			curSize = (maxSize + minSize) / 2;
		} else {
			minSize = curSize;
			curSize = (minSize + maxSize) / 2;
		}
	}

	return curSize;
}
 
Example 2
Source Project: opsu   File: UnicodeFont.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Initialise the font to be used based on configuration
 * 
 * @param baseFont The AWT font to render
 * @param size The point size of the font to generated
 * @param bold True if the font should be rendered in bold typeface
 * @param italic True if the font should be rendered in bold typeface
 */
private void initializeFont(Font baseFont, int size, boolean bold, boolean italic) {
	Map attributes = baseFont.getAttributes();
	attributes.put(TextAttribute.SIZE, new Float(size));
	attributes.put(TextAttribute.WEIGHT, bold ? TextAttribute.WEIGHT_BOLD : TextAttribute.WEIGHT_REGULAR);
	attributes.put(TextAttribute.POSTURE, italic ? TextAttribute.POSTURE_OBLIQUE : TextAttribute.POSTURE_REGULAR);
	try {
		attributes.put(TextAttribute.class.getDeclaredField("KERNING").get(null), TextAttribute.class.getDeclaredField(
			"KERNING_ON").get(null));
	} catch (Exception ignored) {
	}
	font = baseFont.deriveFont(attributes);

	FontMetrics metrics = GlyphPage.getScratchGraphics().getFontMetrics(font);
	ascent = metrics.getAscent();
	descent = metrics.getDescent();
	leading = metrics.getLeading();
	
	// Determine width of space glyph (getGlyphPixelBounds gives a width of zero).
	char[] chars = " ".toCharArray();
	GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
	spaceWidth = vector.getGlyphLogicalBounds(0).getBounds().width;
}
 
Example 3
/**
 * Initialise the font to be used based on configuration
 * 
 * @param baseFont The AWT font to render
 * @param size The point size of the font to generated
 * @param bold True if the font should be rendered in bold typeface
 * @param italic True if the font should be rendered in bold typeface
 */
private void initializeFont(Font baseFont, int size, boolean bold, boolean italic) {
	Map attributes = baseFont.getAttributes();
	attributes.put(TextAttribute.SIZE, new Float(size));
	attributes.put(TextAttribute.WEIGHT, bold ? TextAttribute.WEIGHT_BOLD : TextAttribute.WEIGHT_REGULAR);
	attributes.put(TextAttribute.POSTURE, italic ? TextAttribute.POSTURE_OBLIQUE : TextAttribute.POSTURE_REGULAR);
	try {
		attributes.put(TextAttribute.class.getDeclaredField("KERNING").get(null), TextAttribute.class.getDeclaredField(
			"KERNING_ON").get(null));
	} catch (Exception ignored) {
	}
	font = baseFont.deriveFont(attributes);

	FontMetrics metrics = GlyphPage.getScratchGraphics().getFontMetrics(font);
	ascent = metrics.getAscent();
	descent = metrics.getDescent();
	leading = metrics.getLeading();
	
	// Determine width of space glyph (getGlyphPixelBounds gives a width of zero).
	char[] chars = " ".toCharArray();
	GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
	spaceWidth = vector.getGlyphLogicalBounds(0).getBounds().width;
}
 
Example 4
@Override
public void paint(Graphics g) {
	Graphics2D g2 = (Graphics2D)g;
	g2.setFont(getFont());
	FontMetrics fm = g2.getFontMetrics();
	
	ButtonModel mdl = getModel();
	String s = getText();
	
	g2.setComposite(AlphaComposite.SrcOver.derive(0.85f));
	if (!mdl.isEnabled()) {
		g2.setColor(new Color(0x808080));
		g2.fillRoundRect(0, 0, getWidth(), getHeight(), 10, 10);
		g2.setColor(new Color(0x000000));
	} else
	if (mdl.isPressed() || mdl.isSelected()) {
		if (mdl.isRollover()) {
			g2.setColor(new Color(0xE0E0E0));
		} else {
			g2.setColor(new Color(0xFFFFFF));
		}
		g2.fillRoundRect(0, 0, getWidth(), getHeight(), 10, 10);
		g2.setColor(new Color(0x000000));
	} else {
		if (mdl.isRollover()) {
			g2.setColor(new Color(0x000000));
		} else {
			g2.setColor(new Color(0x202020));
		}
		g2.fillRoundRect(0, 0, getWidth(), getHeight(), 10, 10);
		g2.setColor(new Color(0xFFFFFFFF));
	}
	int x = (getWidth() - fm.stringWidth(s)) / 2;
	int y = (getHeight() - fm.getHeight()) / 2 + fm.getAscent() + fm.getLeading();
	g2.drawString(s, x, y);
}
 
Example 5
public static void main(String ... args) {
    Font font = new Font(Font.DIALOG, Font.PLAIN, FONT_SIZE);
    Graphics2D g2d = createGraphics();

    FontMetrics ref = null;
    RuntimeException failure = null;
    for (int a = 0; a < 360; a += 15) {
        Graphics2D g = (Graphics2D)g2d.create();
        g.rotate(Math.toRadians(a));
        FontMetrics m = g.getFontMetrics(font);
        g.dispose();

        boolean status = true;
        if (ref == null) {
            ref = m;
        } else {
            status = ref.getAscent() == m.getAscent() &&
                    ref.getDescent() == m.getDescent() &&
                    ref.getLeading() == m.getLeading() &&
                    ref.getMaxAdvance() == m.getMaxAdvance();
        }

        System.out.printf("Metrics a%d, d%d, l%d, m%d (%d) %s\n",
                m.getAscent(), m.getDescent(), m.getLeading(), m.getMaxAdvance(),
                (int)a, status ? "OK" : "FAIL");

        if (!status && failure == null) {
            failure = new RuntimeException("Font metrics differ for angle " + a);
        }
    }
    if (failure != null) {
        throw failure;
    }
    System.out.println("done");
}
 
Example 6
public static void main(String ... args) {
    Font font = new Font(Font.DIALOG, Font.PLAIN, FONT_SIZE);
    Graphics2D g2d = createGraphics();

    FontMetrics ref = null;
    RuntimeException failure = null;
    for (int a = 0; a < 360; a += 15) {
        Graphics2D g = (Graphics2D)g2d.create();
        g.rotate(Math.toRadians(a));
        FontMetrics m = g.getFontMetrics(font);
        g.dispose();

        boolean status = true;
        if (ref == null) {
            ref = m;
        } else {
            status = ref.getAscent() == m.getAscent() &&
                    ref.getDescent() == m.getDescent() &&
                    ref.getLeading() == m.getLeading() &&
                    ref.getMaxAdvance() == m.getMaxAdvance();
        }

        System.out.printf("Metrics a%d, d%d, l%d, m%d (%d) %s\n",
                m.getAscent(), m.getDescent(), m.getLeading(), m.getMaxAdvance(),
                (int)a, status ? "OK" : "FAIL");

        if (!status && failure == null) {
            failure = new RuntimeException("Font metrics differ for angle " + a);
        }
    }
    if (failure != null) {
        throw failure;
    }
    System.out.println("done");
}
 
Example 7
public static void main(String ... args) {
    Font font = new Font(Font.DIALOG, Font.PLAIN, FONT_SIZE);
    Graphics2D g2d = createGraphics();

    FontMetrics ref = null;
    RuntimeException failure = null;
    for (int a = 0; a < 360; a += 15) {
        Graphics2D g = (Graphics2D)g2d.create();
        g.rotate(Math.toRadians(a));
        FontMetrics m = g.getFontMetrics(font);
        g.dispose();

        boolean status = true;
        if (ref == null) {
            ref = m;
        } else {
            status = ref.getAscent() == m.getAscent() &&
                    ref.getDescent() == m.getDescent() &&
                    ref.getLeading() == m.getLeading() &&
                    ref.getMaxAdvance() == m.getMaxAdvance();
        }

        System.out.printf("Metrics a%d, d%d, l%d, m%d (%d) %s\n",
                m.getAscent(), m.getDescent(), m.getLeading(), m.getMaxAdvance(),
                (int)a, status ? "OK" : "FAIL");

        if (!status && failure == null) {
            failure = new RuntimeException("Font metrics differ for angle " + a);
        }
    }
    if (failure != null) {
        throw failure;
    }
    System.out.println("done");
}
 
Example 8
Source Project: phoebus   File: GraphicsUtils.java    License: Eclipse Public License 1.0 5 votes vote down vote up
/** Measure text
 *  @param gc AWT Graphics context. Font must be set.
 *  @param text Text to measure, may be multi-line.
 *  @return Rectangle where (x, y) is the offset from the top-left
 *          corner of the text to its baseline as used for gc.drawString(),
 *          and (width, height) are the overall bounding box.
 */
public static Rectangle measureText(final Graphics2D gc, final String text)
{
	final FontMetrics metrics = gc.getFontMetrics();
	final Rectangle info = new Rectangle(0, metrics.getLeading() + metrics.getAscent(), 0, 0);
    for (String line : text.split("\n"))
    {
        final int width = metrics.stringWidth(line);
        if (width > info.width)
            info.width = width;
        info.height += metrics.getHeight();
    }
	return info;
}
 
Example 9
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 10
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 11
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 12
@Override
  public void run()
  {
      Logger.getLogger("").setLevel(Level.CONFIG);
      for (Handler handler : Logger.getLogger("").getHandlers())
          handler.setLevel(Level.CONFIG);

      final double factor = getCalibrationFactor();

      final Frame frame = new Frame("Java AWT: Calibration factor " + factor);
      frame.setSize(text_width, text_height);
      
      // Would like to use TextField or Label, but:
      // "Peered AWT components, such as Label and TextField,
      //  can only use logical fonts." (Javadoc for 'Font')
      // Sure enough at least on Windows the font family is
      // ignored, only the style and size are honored
      // by Label.setFont() or TextField.setFont()
      // --> Use canvas and draw the text with font.
      final Canvas text = new Canvas()
{
	private static final long serialVersionUID = 1L;

	@Override
	public void paint(final Graphics gc)
	{
		super.paint(gc);
		gc.setFont(font);
		final FontMetrics metrics = gc.getFontMetrics();
		
		// drawString x/y is 'baseline' of text
		final int y = metrics.getLeading() + metrics.getAscent();
		gc.drawString(FontCalibration.TEXT, 0, y);
		
		// Show baseline and 'leading'
		gc.setColor(Color.RED);
		gc.drawLine(0, y, text_width, y);
		gc.setColor(Color.GREEN);
		gc.drawLine(0, metrics.getLeading(), text_width, metrics.getLeading());
	}
};
      text.setSize(text_width, text_height);
      
      frame.add(text);
      
      frame.addWindowListener(new WindowAdapter()
      {
          @Override
          public void windowClosing(WindowEvent windowEvent)
          {
              System.exit(0);
          }
      });

      frame.pack();
      frame.setVisible(true);

      if (Math.abs(factor - 1.0) > 0.01)
          System.err.println("Calibration is not 1.0 but " + factor);
  }
 
Example 13
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 14
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 15
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 16
Source Project: hottub   File: FontPanel.java    License: GNU General Public License v2.0 4 votes vote down vote up
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 17
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 18
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 19
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
    FontMetrics fm;
    Graphics2D g2 = (Graphics2D)g2d.create();

    /// ABP
    if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
        g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
        fm = g2.getFontMetrics();
    }
    else {
        fm = g2.getFontMetrics();
    }

    maxAscent = fm.getMaxAscent();
    maxDescent = fm.getMaxDescent();
    if (maxAscent == 0) maxAscent = 10;
    if (maxDescent == 0) maxDescent = 5;
    if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
        /// Give slight extra room for each character
        maxAscent += 3;
        maxDescent += 3;
        gridWidth = fm.getMaxAdvance() + 6;
        gridHeight = maxAscent + maxDescent;
        if ( force16Cols )
          numCharAcross = 16;
        else
          numCharAcross = ( w - 10 ) / gridWidth;
        numCharDown = ( h - 10 ) / gridHeight;

        canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
        canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
        if ( numCharDown == 0 || numCharAcross == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );

        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() * numCharAcross );
    }
    else {
        maxDescent += fm.getLeading();
        canvasInset_X = 5;
        canvasInset_Y = 5;
        /// gridWidth and numCharAcross will not be used in this mode...
        gridHeight = maxAscent + maxDescent;
        numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;

        if ( numCharDown == 0 )
          throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
        /// If this is text loaded from file, prepares the LineBreak'ed
        /// text layout at this point
        if ( textToUse == FILE_TEXT ) {
            if ( !isPrinting )
              f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
            lineBreakTLs = new Vector();
            for ( int i = 0; i < fileText.length; i++ ) {
                AttributedString as =
                  new AttributedString( fileText[i], g2.getFont().getAttributes() );

                LineBreakMeasurer lbm =
                  new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );

                while ( lbm.getPosition() < fileText[i].length() )
                  lineBreakTLs.add( lbm.nextLayout( (float) w ));

            }
        }
        if ( !isPrinting )
          resetScrollbar( verticalBar.getValue() );
    }
}
 
Example 20
/**
 * Converts a line index to a y co-ordinate.
 * 
 * @param line
 *            The line
 */
public int lineToY(int line) {
	FontMetrics fm = painter.getFontMetrics();
	return (line - firstLine) * fm.getHeight() - (fm.getLeading() + fm.getMaxDescent());
}