Java Code Examples for java.awt.font.TextLayout#getLeading()

The following examples show how to use java.awt.font.TextLayout#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 want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: java-swing-tips   File: MainPanel.java    License: MIT License 6 votes vote down vote up
@Override protected void paintComponent(Graphics g) {
  Graphics2D g2 = (Graphics2D) g.create();
  g2.setPaint(getForeground());
  Insets i = getInsets();
  float x = i.left;
  float y = i.top;
  int w = getWidth() - i.left - i.right;
  AttributedString as = new AttributedString(getText());
  as.addAttribute(TextAttribute.FONT, getFont());
  AttributedCharacterIterator aci = as.getIterator();
  FontRenderContext frc = g2.getFontRenderContext();
  LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
  while (lbm.getPosition() < aci.getEndIndex()) {
    TextLayout tl = lbm.nextLayout(w);
    tl.draw(g2, x, y + tl.getAscent());
    y += tl.getDescent() + tl.getLeading() + tl.getAscent();
  }
  g2.dispose();
}
 
Example 2
Source Project: Spark   File: JMultilineLabel.java    License: Apache License 2.0 6 votes vote down vote up
private Dimension paintOrGetSize(Graphics2D g, int width) {
    Insets insets = getInsets();
    width -= insets.left + insets.right + margin.left + margin.right;
    float w = insets.left + insets.right + margin.left + margin.right;
    float x = insets.left + margin.left, y = insets.top + margin.top;
    if (width > 0 && text != null && text.length() > 0) {
        AttributedString as = new AttributedString(getText());
        as.addAttribute(TextAttribute.FONT, getFont());
        AttributedCharacterIterator aci = as.getIterator();
        LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
        float max = 0;
        while (lbm.getPosition() < aci.getEndIndex()) {
            TextLayout textLayout = lbm.nextLayout(width);
            if (g != null && isJustified() && textLayout.getVisibleAdvance() > 0.80 * width)
                textLayout = textLayout.getJustifiedLayout(width);
            if (g != null)
                textLayout.draw(g, x, y + textLayout.getAscent());
            y += textLayout.getDescent() + textLayout.getLeading() + textLayout.getAscent();
            max = Math.max(max, textLayout.getVisibleAdvance());
        }
        w += max;
    }
    return new Dimension((int)Math.ceil(w), (int)Math.ceil(y) + insets.bottom + margin.bottom);
}
 
Example 3
public void drawLabel(String text, GraphicInfo graphicInfo, boolean centered) {
    float interline = 1.0f;

    // text
    if (text != null && text.length() > 0) {
        Paint originalPaint = g.getPaint();
        Font originalFont = g.getFont();

        g.setPaint(LABEL_COLOR);
        g.setFont(LABEL_FONT);

        int wrapWidth = 100;
        double textY = graphicInfo.getY();

        // TODO: use drawMultilineText()
        AttributedString as = new AttributedString(text);
        as.addAttribute(TextAttribute.FOREGROUND, g.getPaint());
        as.addAttribute(TextAttribute.FONT, g.getFont());
        AttributedCharacterIterator aci = as.getIterator();
        FontRenderContext frc = new FontRenderContext(null, true, false);
        LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);

        while (lbm.getPosition() < text.length()) {
            TextLayout tl = lbm.nextLayout(wrapWidth);
            textY += tl.getAscent();
            Rectangle2D bb = tl.getBounds();
            double tX = graphicInfo.getX();
            if (centered) {
                tX += (int) (graphicInfo.getWidth() / 2 - bb.getWidth() / 2);
            }
            tl.draw(g, (float) tX, (float) textY);
            textY += tl.getDescent() + tl.getLeading() + (interline - 1.0f) * tl.getAscent();
        }

        // restore originals
        g.setFont(originalFont);
        g.setPaint(originalPaint);
    }
}
 
Example 4
Source Project: jdk1.8-source-analysis   File: Font.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 5
Source Project: jdk8u60   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 6
Source Project: jdk8u-jdk   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 7
Source Project: openjdk-jdk8u   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 8
Source Project: jdk-1.7-annotated   File: Font.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 9
@Override
public void paint(Graphics g, JComponent c) {
    if (c.isOpaque()) {
        ImageLibrary.drawTiledImage("image.background.FreeColToolTip",
                                    g, c, null);
    }

    g.setColor(Color.BLACK); // FIXME: find out why this is necessary

    Graphics2D graphics = (Graphics2D)g;
    float x = margin;
    float y = margin;
    for (String line : lineBreak.split(((JToolTip) c).getTipText())) {
        if (line.isEmpty()) {
            y += LEADING;
            continue;
        }
        AttributedCharacterIterator styledText =
            new AttributedString(line).getIterator();

        LineBreakMeasurer measurer = new LineBreakMeasurer(styledText, frc);

        while (measurer.getPosition() < styledText.getEndIndex()) {

            TextLayout layout = measurer.nextLayout(maximumWidth);

            y += (layout.getAscent());
            float dx = layout.isLeftToRight() ?
                0 : (maximumWidth - layout.getAdvance());

            layout.draw(graphics, x + dx, y);
            y += layout.getDescent() + layout.getLeading();
        }
    }
 }
 
Example 10
Source Project: hottub   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 11
Source Project: openjdk-jdk9   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified {@code FontRenderContext}.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * {@code TextLayout}.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified {@code FontRenderContext}
 * @return a {@code Rectangle2D} that is the bounding box of the
 * specified array of characters in the specified
 * {@code FontRenderContext}.
 * @throws IndexOutOfBoundsException if {@code beginIndex} is
 *         less than zero, or {@code limit} is greater than the
 *         length of {@code chars}, or {@code beginIndex}
 *         is greater than {@code limit}.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example 12
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight) {
    int availableHeight = boxHeight - ICON_SIZE - ICON_PADDING;

    // Create an attributed string based in input text
    AttributedString attributedString = new AttributedString(text);
    attributedString.addAttribute(TextAttribute.FONT, g.getFont());
    attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black);

    AttributedCharacterIterator characterIterator = attributedString.getIterator();

    int width = boxWidth - (2 * TEXT_PADDING);

    int currentHeight = 0;
    // Prepare a list of lines of text we'll be drawing
    List<TextLayout> layouts = new ArrayList<TextLayout>();
    String lastLine = null;

    LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext());

    TextLayout layout = null;
    while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= availableHeight) {

        int previousPosition = measurer.getPosition();

        // Request next layout
        layout = measurer.nextLayout(width);

        int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();

        if (currentHeight + height > availableHeight) {
            // The line we're about to add should NOT be added anymore, append three dots to previous one instead
            // to indicate more text is truncated
            layouts.remove(layouts.size() - 1);

            if (lastLine.length() >= 4) {
                lastLine = lastLine.substring(0, lastLine.length() - 4) + "...";
            }
            layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext()));
        } else {
            layouts.add(layout);
            lastLine = text.substring(previousPosition, measurer.getPosition());
            currentHeight += height;
        }
    }


    int currentY = y + ICON_SIZE + ICON_PADDING + ((availableHeight - currentHeight) / 2);
    int currentX = 0;

    // Actually draw the lines
    for (TextLayout textLayout : layouts) {

        currentY += textLayout.getAscent();
        currentX = TEXT_PADDING + x + ((width - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2);

        textLayout.draw(g, currentX, currentY);
        currentY += textLayout.getDescent() + textLayout.getLeading();
    }

}
 
Example 13
private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2,
        AttributedString text, TextAnchor anchor, Rectangle2D textBounds) {

    TextLayout layout = new TextLayout(text.getIterator(), g2.getFontRenderContext());
    Rectangle2D bounds = layout.getBounds();

    float[] result = new float[3];
    float ascent = layout.getAscent();
    result[2] = -ascent;
    float halfAscent = ascent / 2.0f;
    float descent = layout.getDescent();
    float leading = layout.getLeading();
    float xAdj = 0.0f;
    float yAdj = 0.0f;
    
    if (isHorizontalCenter(anchor)) {
        xAdj = (float) -bounds.getWidth() / 2.0f;
    }
    else if (isHorizontalRight(anchor)) {
        xAdj = (float) -bounds.getWidth();
    }

    if (isTop(anchor)) {
        //yAdj = -descent - leading + (float) bounds.getHeight();
        yAdj = (float) bounds.getHeight();
    }
    else if (isHalfAscent(anchor)) {
        yAdj = halfAscent;
    }
    else if (isHalfHeight(anchor)) {
        yAdj = -descent - leading + (float) (bounds.getHeight() / 2.0);
    }
    else if (isBaseline(anchor)) {
        yAdj = 0.0f;
    }
    else if (isBottom(anchor)) {
        yAdj = -descent - leading;
    }
    if (textBounds != null) {
        textBounds.setRect(bounds);
    }
    result[0] = xAdj;
    result[1] = yAdj;
    return result;
}
 
Example 14
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight, boolean centered) {
  // Create an attributed string based in input text
  AttributedString attributedString = new AttributedString(text);
  attributedString.addAttribute(TextAttribute.FONT, g.getFont());
  attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black);
  
  AttributedCharacterIterator characterIterator = attributedString.getIterator();
  
  int currentHeight = 0;
  // Prepare a list of lines of text we'll be drawing
  List<TextLayout> layouts = new ArrayList<TextLayout>();
  String lastLine = null;
  
  LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext());
  
  TextLayout layout = null;
  while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= boxHeight) {
     
    int previousPosition = measurer.getPosition();
    
    // Request next layout
    layout = measurer.nextLayout(boxWidth);
    
    int height = ((Float)(layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();
    
    if(currentHeight + height > boxHeight) {
      // The line we're about to add should NOT be added anymore, append three dots to previous one instead
      // to indicate more text is truncated
      if (!layouts.isEmpty()) {
        layouts.remove(layouts.size() - 1);
        
        if(lastLine.length() >= 4) {
          lastLine = lastLine.substring(0, lastLine.length() - 4) + "...";
        }
        layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext()));
      }
      break;
    } else {
      layouts.add(layout);
      lastLine = text.substring(previousPosition, measurer.getPosition());
      currentHeight += height;
    }
  }
  
  
  int currentY = y + (centered ? ((boxHeight - currentHeight) /2) : 0);
  int currentX = 0;
  
  // Actually draw the lines
  for(TextLayout textLayout : layouts) {
    
    currentY += textLayout.getAscent();
    currentX = x + (centered ? ((boxWidth - ((Double)textLayout.getBounds().getWidth()).intValue()) /2) : 0);
    
    textLayout.draw(g, currentX, currentY);
    currentY += textLayout.getDescent() + textLayout.getLeading();
  }
  
}
 
Example 15
/**
 * A utility method that calculates the rotation anchor offsets for a
 * string.  These offsets are relative to the text starting coordinate
 * (BASELINE_LEFT).
 *
 * @param g2  the graphics device.
 * @param text  the text.
 * @param anchor  the anchor point.
 *
 * @return  The offsets.
 */
private static float[] deriveRotationAnchorOffsets(Graphics2D g2, 
        AttributedString text, TextAnchor anchor) {

    float[] result = new float[2];
    
    TextLayout layout = new TextLayout(text.getIterator(), 
            g2.getFontRenderContext());
    Rectangle2D bounds = layout.getBounds();
    float ascent = layout.getAscent();
    float halfAscent = ascent / 2.0f;
    float descent = layout.getDescent();
    float leading = layout.getLeading();
    float xAdj = 0.0f;
    float yAdj = 0.0f;

    if (isHorizontalLeft(anchor)) {
        xAdj = 0.0f;
    }
    else if (isHorizontalCenter(anchor)) {
        xAdj = (float) bounds.getWidth() / 2.0f;
    }
    else if (isHorizontalRight(anchor)) {
        xAdj = (float) bounds.getWidth();
    }

    if (isTop(anchor)) {
        yAdj = descent + leading - (float) bounds.getHeight();
    }
    else if (isHalfHeight(anchor)) {
        yAdj = descent + leading - (float) (bounds.getHeight() / 2.0);
    }
    else if (isHalfAscent(anchor)) {
        yAdj = -halfAscent;
    }
    else if (isBaseline(anchor)) {
        yAdj = 0.0f;
    }
    else if (isBottom(anchor)) {
        yAdj = descent + leading;
    }
    result[0] = xAdj;
    result[1] = yAdj;
    return result;

}
 
Example 16
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight) {
    int availableHeight = boxHeight - ICON_SIZE - ICON_PADDING;

    // Create an attributed string based in input text
    AttributedString attributedString = new AttributedString(text);
    attributedString.addAttribute(TextAttribute.FONT, g.getFont());
    attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black);

    AttributedCharacterIterator characterIterator = attributedString.getIterator();

    int width = boxWidth - (2 * TEXT_PADDING);

    int currentHeight = 0;
    // Prepare a list of lines of text we'll be drawing
    List<TextLayout> layouts = new ArrayList<TextLayout>();
    String lastLine = null;

    LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext());

    TextLayout layout = null;
    while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= availableHeight) {

        int previousPosition = measurer.getPosition();

        // Request next layout
        layout = measurer.nextLayout(width);

        int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();

        if (currentHeight + height > availableHeight) {
            // The line we're about to add should NOT be added anymore, append three dots to previous one instead
            // to indicate more text is truncated
            layouts.remove(layouts.size() - 1);

            if (lastLine.length() >= 4) {
                lastLine = lastLine.substring(0, lastLine.length() - 4) + "...";
            }
            layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext()));
        } else {
            layouts.add(layout);
            lastLine = text.substring(previousPosition, measurer.getPosition());
            currentHeight += height;
        }
    }


    int currentY = y + ICON_SIZE + ICON_PADDING + ((availableHeight - currentHeight) / 2);
    int currentX = 0;

    // Actually draw the lines
    for (TextLayout textLayout : layouts) {

        currentY += textLayout.getAscent();
        currentX = TEXT_PADDING + x + ((width - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2);

        textLayout.draw(g, currentX, currentY);
        currentY += textLayout.getDescent() + textLayout.getLeading();
    }

}
 
Example 17
Source Project: SIMVA-SoS   File: AttrStringUtils.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * A utility method that calculates the rotation anchor offsets for a
 * string.  These offsets are relative to the text starting coordinate
 * (BASELINE_LEFT).
 *
 * @param g2  the graphics device.
 * @param text  the text.
 * @param anchor  the anchor point.
 *
 * @return  The offsets.
 */
private static float[] deriveRotationAnchorOffsets(Graphics2D g2, 
        AttributedString text, TextAnchor anchor) {

    float[] result = new float[2];
    
    TextLayout layout = new TextLayout(text.getIterator(), 
            g2.getFontRenderContext());
    Rectangle2D bounds = layout.getBounds();
    float ascent = layout.getAscent();
    float halfAscent = ascent / 2.0f;
    float descent = layout.getDescent();
    float leading = layout.getLeading();
    float xAdj = 0.0f;
    float yAdj = 0.0f;

    if (isHorizontalLeft(anchor)) {
        xAdj = 0.0f;
    }
    else if (isHorizontalCenter(anchor)) {
        xAdj = (float) bounds.getWidth() / 2.0f;
    }
    else if (isHorizontalRight(anchor)) {
        xAdj = (float) bounds.getWidth();
    }

    if (isTop(anchor)) {
        yAdj = descent + leading - (float) bounds.getHeight();
    }
    else if (isHalfHeight(anchor)) {
        yAdj = descent + leading - (float) (bounds.getHeight() / 2.0);
    }
    else if (isHalfAscent(anchor)) {
        yAdj = -halfAscent;
    }
    else if (isBaseline(anchor)) {
        yAdj = 0.0f;
    }
    else if (isBottom(anchor)) {
        yAdj = descent + leading;
    }
    result[0] = xAdj;
    result[1] = yAdj;
    return result;

}
 
Example 18
Source Project: ramus   File: TextBounds.java    License: GNU General Public License v3.0 4 votes vote down vote up
public void drawNative(Graphics2D g, int align, int pos, float fRectHeight,
                       MovingArea area) {
    float left = 0;
    float fromY = 0;

    if (pos == 1)
        fromY += fRectHeight / 2 - height / 2;
    else if (pos == 2)
        fromY += fRectHeight;

    if (fromY < 0)
        fromY = 0;

    int size = layouts.size();

    for (int i = 0; i < size; i++) {
        TextLayout textLayout = layouts.get(i);
        if (align == Line.CENTER_ALIGN)
            left = (float) maxWidth / 2f - textLayout.getAdvance() / 2f;
        else if (align == Line.RIGHT_ALIGN)
            left = (float) maxWidth - textLayout.getAdvance();

        fromY += textLayout.getAscent();

        if (fromY >= fRectHeight && i + 1 < size)
            break;

        if (fromY + textLayout.getAscent() + textLayout.getDescent()
                // + textLayout.getLeading()
                >= fRectHeight
                && i + 1 < size) {
            // textLayout= textLayout.getJustifiedLayout(maxWidth-20);
            // textLayout.draw(g, left, fromY);
            g.drawString(texts.get(i), left, fromY);
            /*
             * Color color = g.getColor(); g.setColor(new Color(120, 120,
 * 120));
 * 
 * g.drawString("(.)", left + textLayout.getAdvance() + (float)
 * area.getIDoubleOrdinate(-0.0), fromY); g.setColor(color);
 */
            break;
        } else
            g.drawString(texts.get(i), left, fromY);
        // textLayout.draw(g, left, fromY);
        fromY += textLayout.getDescent() + textLayout.getLeading();
    }
}
 
Example 19
private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2,
        AttributedString text, TextAnchor anchor, Rectangle2D textBounds) {

    TextLayout layout = new TextLayout(text.getIterator(), g2.getFontRenderContext());
    Rectangle2D bounds = layout.getBounds();

    float[] result = new float[3];
    float ascent = layout.getAscent();
    result[2] = -ascent;
    float halfAscent = ascent / 2.0f;
    float descent = layout.getDescent();
    float leading = layout.getLeading();
    float xAdj = 0.0f;
    float yAdj = 0.0f;
    
    if (isHorizontalCenter(anchor)) {
        xAdj = (float) -bounds.getWidth() / 2.0f;
    }
    else if (isHorizontalRight(anchor)) {
        xAdj = (float) -bounds.getWidth();
    }

    if (isTop(anchor)) {
        //yAdj = -descent - leading + (float) bounds.getHeight();
        yAdj = (float) bounds.getHeight();
    }
    else if (isHalfAscent(anchor)) {
        yAdj = halfAscent;
    }
    else if (isHalfHeight(anchor)) {
        yAdj = -descent - leading + (float) (bounds.getHeight() / 2.0);
    }
    else if (isBaseline(anchor)) {
        yAdj = 0.0f;
    }
    else if (isBottom(anchor)) {
        yAdj = -descent - leading;
    }
    if (textBounds != null) {
        textBounds.setRect(bounds);
    }
    result[0] = xAdj;
    result[1] = yAdj;
    return result;
}
 
Example 20
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight, boolean centered) {
    // Create an attributed string based in input text
    AttributedString attributedString = new AttributedString(text);
    attributedString.addAttribute(TextAttribute.FONT, g.getFont());
    attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black);

    AttributedCharacterIterator characterIterator = attributedString.getIterator();

    int currentHeight = 0;
    // Prepare a list of lines of text we'll be drawing
    List<TextLayout> layouts = new ArrayList<>();
    String lastLine = null;

    LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext());

    TextLayout layout = null;
    while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= boxHeight) {

        int previousPosition = measurer.getPosition();

        // Request next layout
        layout = measurer.nextLayout(boxWidth);

        int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();

        if (currentHeight + height > boxHeight) {
            // The line we're about to add should NOT be added anymore, append three dots to previous one instead
            // to indicate more text is truncated
            if (!layouts.isEmpty()) {
                layouts.remove(layouts.size() - 1);

                if (lastLine.length() >= 4) {
                    lastLine = lastLine.substring(0, lastLine.length() - 4) + "...";
                }
                layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext()));
            }
            break;
        } else {
            layouts.add(layout);
            lastLine = text.substring(previousPosition, measurer.getPosition());
            currentHeight += height;
        }
    }

    int currentY = y + (centered ? ((boxHeight - currentHeight) / 2) : 0);
    int currentX = 0;

    // Actually draw the lines
    for (TextLayout textLayout : layouts) {

        currentY += textLayout.getAscent();
        currentX = x + (centered ? ((boxWidth - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2) : 0);

        textLayout.draw(g, currentX, currentY);
        currentY += textLayout.getDescent() + textLayout.getLeading();
    }

}