Examples with LineBreakMeasurer java.awt.font.LineBreakMeasurer used on opensource projects

Example 1 with LineBreakMeasurer

use of java.awt.font.LineBreakMeasurer in project jdk8u_jdk by JetBrains.

the class TestLineBreakWithFontSub method test.

public void test() {
    // construct a paragraph as follows: MIXED + [SPACING + WORD] + ...
    StringBuffer text = new StringBuffer(MIXED);
    for (int i = 0; i < NUM_WORDS; i++) {
        text.append(SPACING);
        text.append(WORD);
    }
    AttributedString attrString = new AttributedString(text.toString());
    attrString.addAttribute(TextAttribute.SIZE, new Float(24.0));
    LineBreakMeasurer measurer = new LineBreakMeasurer(attrString.getIterator(), DEFAULT_FRC);
    // get width of a space-word sequence, in context
    int sequenceLength = WORD.length() + SPACING.length();
    measurer.setPosition(text.length() - sequenceLength);
    TextLayout layout = measurer.nextLayout(10000.0f);
    if (layout.getCharacterCount() != sequenceLength) {
        throw new Error("layout length is incorrect!");
    }
    final float sequenceAdvance = layout.getVisibleAdvance();
    float wrappingWidth = sequenceAdvance * 2;
    // now run test with a variety of widths
    while (wrappingWidth < (sequenceAdvance * NUM_WORDS)) {
        measurer.setPosition(0);
        checkMeasurer(measurer, wrappingWidth, sequenceAdvance, text.length());
        wrappingWidth += sequenceAdvance / 5;
    }
}

Example 2 with LineBreakMeasurer

use of java.awt.font.LineBreakMeasurer in project adempiere by adempiere.

the class StringElement method paint.

//	getDrillAcross
/**************************************************************************
	 * 	Paint/Print.
	 *  Calculate actual Size.
	 *  The text is printed in the topmost left position - i.e. the leading is below the line
	 * 	@param g2D Graphics
	 *  @param pageStart top left Location of page
	 *  @param pageNo page number for multi page support (0 = header/footer) - ignored
	 *  @param ctx print context
	 *  @param isView true if online view (IDs are links)
	 */
public void paint(Graphics2D g2D, int pageNo, Point2D pageStart, Properties ctx, boolean isView) {
    //	log.finest( "StringElement.paint", "<" + m_originalString + "> " + p_pageLocation.x + "/" + p_pageLocation.y
    //		+ ", Clip=" + g2D.getClip()
    //		+ ", Translate=" + g2D.getTransform().getTranslateX() + "/" + g2D.getTransform().getTranslateY()
    //		+ ", Scale=" + g2D.getTransform().getScaleX() + "/" + g2D.getTransform().getScaleY()
    //		+ ", Shear=" + g2D.getTransform().getShearX() + "/" + g2D.getTransform().getShearY());
    Point2D.Double location = getAbsoluteLocation(pageStart);
    //
    if (m_originalString != null)
        translate(ctx);
    AttributedString aString = null;
    AttributedCharacterIterator iter = null;
    AttributedCharacterIterator iter2 = null;
    float xPos = (float) location.x;
    float yPos = (float) location.y;
    float yPen = 0f;
    float height = 0f;
    float width = 0f;
    //	for all lines
    for (int i = 0; i < m_string_paper.length; i++) {
        //	Get Text
        if (isView) {
            if (m_string_view[i] == null)
                continue;
            aString = m_string_view[i];
        } else {
            if (m_string_paper[i] == null)
                continue;
            aString = m_string_paper[i];
        }
        iter = aString.getIterator();
        //	Zero Length
        if (iter.getBeginIndex() == iter.getEndIndex())
            continue;
        //	Check for Tab (just first) and 16 bit characters
        int tabPos = -1;
        boolean is8Bit = true;
        for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
            if (c == '\t' && tabPos == -1)
                tabPos = iter.getIndex();
            if (c > 255)
                is8Bit = false;
        }
        TextLayout layout = null;
        float xPen = xPos;
        //	No Limit
        if (p_maxWidth == 0f) {
            if (tabPos == -1) {
                layout = new TextLayout(iter, g2D.getFontRenderContext());
                yPen = yPos + layout.getAscent();
                //	layout.draw(g2D, xPen, yPen);
                g2D.setFont(m_font);
                g2D.setPaint(m_paint);
                g2D.drawString(iter, xPen, yPen);
                //
                yPos += layout.getAscent() + layout.getDescent() + layout.getLeading();
                if (width < layout.getAdvance())
                    width = layout.getAdvance();
            } else //	we have a tab
            {
                LineBreakMeasurer measurer = new LineBreakMeasurer(iter, g2D.getFontRenderContext());
                layout = measurer.nextLayout(9999, tabPos, false);
                float lineHeight_1 = layout.getAscent() + layout.getDescent() + layout.getLeading();
                yPen = yPos + layout.getAscent();
                //	first part before tab
                layout.draw(g2D, xPen, yPen);
                xPen = getTabPos(xPos, layout.getAdvance());
                float lineWidth = xPen - xPos;
                //, iter.getEndIndex(), true);
                layout = measurer.nextLayout(9999);
                float lineHeight_2 = layout.getAscent() + layout.getDescent() + layout.getLeading();
                //	second part after tab
                layout.draw(g2D, xPen, yPen);
                //
                yPos += Math.max(lineHeight_1, lineHeight_2);
                lineWidth += layout.getAdvance();
                if (width < lineWidth)
                    width = lineWidth;
            }
        //	log.finest( "StringElement.paint - No Limit - " + location.x + "/" + yPos
        //		+ " w=" + layout.getAdvance() + ",h=" + lineHeight + ", Bounds=" + layout.getBounds());
        } else //	Size Limits
        {
            boolean fastDraw = LayoutEngine.s_FASTDRAW;
            if (fastDraw && !isView && !is8Bit)
                fastDraw = false;
            LineBreakMeasurer measurer = new LineBreakMeasurer(iter, g2D.getFontRenderContext());
            while (measurer.getPosition() < iter.getEndIndex()) {
                if (tabPos == -1) {
                    layout = measurer.nextLayout(p_maxWidth);
                    if (measurer.getPosition() < iter.getEndIndex())
                        fastDraw = false;
                } else //	tab
                {
                    fastDraw = false;
                    layout = measurer.nextLayout(p_maxWidth, tabPos, false);
                }
                //	Line Height
                float lineHeight = layout.getAscent() + layout.getDescent() + layout.getLeading();
                if (//	one line only
                p_maxHeight == -1f && i == 0)
                    p_maxHeight = lineHeight;
                //	If we have hight left over
                if (p_maxHeight == 0f || (height + lineHeight) <= p_maxHeight) {
                    yPen = (float) location.y + height + layout.getAscent();
                    //	Tab in Text
                    if (tabPos != -1) {
                        //	first part before tab
                        layout.draw(g2D, xPen, yPen);
                        xPen = getTabPos(xPos, layout.getAdvance());
                        layout = measurer.nextLayout(p_width, iter.getEndIndex(), true);
                        //	reset (just one tab)
                        tabPos = -1;
                    } else if ((MPrintFormatItem.FIELDALIGNMENTTYPE_TrailingRight.equals(p_FieldAlignmentType) && layout.isLeftToRight()) || (MPrintFormatItem.FIELDALIGNMENTTYPE_LeadingLeft.equals(p_FieldAlignmentType) && !layout.isLeftToRight()))
                        xPen += p_maxWidth - layout.getAdvance();
                    else if (MPrintFormatItem.FIELDALIGNMENTTYPE_Center.equals(p_FieldAlignmentType))
                        xPen += (p_maxWidth - layout.getAdvance()) / 2;
                    else if (MPrintFormatItem.FIELDALIGNMENTTYPE_Block.equals(p_FieldAlignmentType) && measurer.getPosition() < iter.getEndIndex()) {
                        layout = layout.getJustifiedLayout(p_maxWidth);
                        fastDraw = false;
                    }
                    if (fastDraw) {
                        g2D.setFont(m_font);
                        g2D.setPaint(m_paint);
                        g2D.drawString(iter, xPen, yPen);
                        height += lineHeight;
                        break;
                    } else {
                        layout.draw(g2D, xPen, yPen);
                    }
                    height += lineHeight;
                //	log.finest( "StringElement.paint - Limit - " + xPen + "/" + yPen
                //		+ " w=" + layout.getAdvance() + ",h=" + lineHeight + ", Align=" + p_FieldAlignmentType + ", Max w=" + p_maxWidth + ",h=" + p_maxHeight + ", Bounds=" + layout.getBounds());
                }
            }
            width = p_maxWidth;
        }
    //	size limits
    }
    //	for all strings
    if (m_check != null) {
        int x = (int) (location.x + width + 1);
        int y = (int) (location.y);
        g2D.drawImage(m_check.booleanValue() ? LayoutEngine.IMAGE_TRUE : LayoutEngine.IMAGE_FALSE, x, y, this);
    }
}

Example 3 with LineBreakMeasurer

use of java.awt.font.LineBreakMeasurer in project adempiere by adempiere.

the class VSchedulePanel method paint.

//	setAssignmentSlots
/*************************************************************************/
/**
	 *	Paint it
	 *  @param g the <code>Graphics</code> object
	 */
public void paint(Graphics g) {
    //	log.fine( "VSchedulePanel.paint", g.getClip());
    Graphics2D g2D = (Graphics2D) g;
    Dimension size = getPreferredSize();
    Rectangle clipBounds = g2D.getClipBounds();
    int w = size.width;
    int h = size.height;
    //	Paint Background
    g2D.setPaint(Color.white);
    g2D.fill3DRect(1, 1, w - 2, h - 2, true);
    if (//	required
    m_timePanel == null)
        return;
    int headerHeight = m_timePanel.getHeaderHeight();
    //	horizontal lines -
    g2D.setStroke(VScheduleTimePanel.getStroke(true));
    for (int i = 1; i < m_timePanel.getSlotCount(); i++) {
        g2D.setPaint(Color.gray);
        int yy = m_timePanel.getSlotYStart(i);
        //	top horiz line
        g2D.drawLine(1, yy, w - 2, yy);
    }
    //	heading and right vertical lines |
    g2D.setStroke(VScheduleTimePanel.getStroke(false));
    for (int i = 0; i < m_noDays; i++) {
        Rectangle where = new Rectangle(i * m_dayWidth, 0, m_dayWidth, headerHeight);
        if (!where.intersects(clipBounds))
            continue;
        //	Header Background
        CompiereUtils.paint3Deffect(g2D, where, false, true);
        g2D.setPaint(Color.blue);
        TextLayout layout = new TextLayout(getHeading(i), g2D.getFont(), g2D.getFontRenderContext());
        float hh = layout.getAscent() + layout.getDescent();
        //	center
        layout.draw(//	center
        g2D, //	center
        where.x + (m_dayWidth - layout.getAdvance()) / 2, //	center
        ((where.height - hh) / 2) + layout.getAscent());
        //	line
        g2D.setPaint(Color.black);
        int xEnd = (i + 1) * m_dayWidth;
        //	right part
        g2D.drawLine(xEnd, 1, xEnd, h - 1);
    }
    //	Paint Assignments
    for (int i = 0; m_slots != null && i < m_slots.length; i++) {
        if (!m_where[i].intersects(clipBounds))
            continue;
        //	Background
        g2D.setColor(m_slots[i].getColor(true));
        g2D.fill(m_where[i]);
        //	Text
        String string = m_slots[i].getInfoNameDescription();
        AttributedString as = new AttributedString(string);
        as.addAttribute(TextAttribute.FONT, g2D.getFont());
        as.addAttribute(TextAttribute.FOREGROUND, m_slots[i].getColor(false));
        //	Italics for Description
        int startIt = string.indexOf('(');
        int endIt = string.lastIndexOf(')');
        if (startIt != -1 && endIt != -1)
            as.addAttribute(TextAttribute.POSTURE, TextAttribute.POSTURE_OBLIQUE, startIt, endIt);
        //	Paint multiple lines if required
        AttributedCharacterIterator aci = as.getIterator();
        LineBreakMeasurer measurer = new LineBreakMeasurer(aci, g2D.getFontRenderContext());
        float wrappingWidth = m_where[i].width - (2 * MARGIN);
        float curY = m_where[i].y + MARGIN;
        TextLayout layout = null;
        int yEnd = m_where[i].y + m_where[i].height;
        while (measurer.getPosition() < aci.getEndIndex() && curY < yEnd) {
            layout = measurer.nextLayout(wrappingWidth);
            curY += layout.getAscent();
            if (curY < yEnd)
                layout.draw(g2D, m_where[i].x + MARGIN, curY);
        }
    }
    //	assignments
    //	Paint Borders
    g2D.setPaint(Color.black);
    g2D.setStroke(VScheduleTimePanel.getStroke(false));
    //	left
    g2D.drawLine(1, 1, 1, h - 1);
    //	top
    g2D.drawLine(1, 1, w - 1, 1);
    //	heading line
    g2D.drawLine(1, headerHeight, w - 1, headerHeight);
    //	Final lines
    g2D.setStroke(VScheduleTimePanel.getStroke(false));
    //	right
    g2D.drawLine(w - 1, 1, w - 1, h - 1);
    //	bottom line
    g2D.drawLine(1, h - 1, w - 1, h - 1);
}

Example 4 with LineBreakMeasurer

use of java.awt.font.LineBreakMeasurer in project adempiere by adempiere.

the class WFNode method paint.

public void paint(Graphics2D g2D) {
    m_icon.paintIcon(null, g2D, 0, 0);
    //	Paint Text
    g2D.setPaint(Color.BLACK);
    Font base = new Font(null);
    Font font = new Font(base.getName(), Font.ITALIC | Font.BOLD, base.getSize());
    //
    AttributedString aString = new AttributedString(m_node.getName(true));
    aString.addAttribute(TextAttribute.FONT, font);
    aString.addAttribute(TextAttribute.FOREGROUND, Color.BLACK);
    AttributedCharacterIterator iter = aString.getIterator();
    //
    LineBreakMeasurer measurer = new LineBreakMeasurer(iter, g2D.getFontRenderContext());
    float width = s_size.width - m_icon.getIconWidth() - 2;
    TextLayout layout = measurer.nextLayout(width);
    float xPos = m_icon.getIconWidth();
    float yPos = layout.getAscent() + 2;
    //
    layout.draw(g2D, xPos, yPos);
    //	2 pt 
    width = s_size.width - 4;
    while (measurer.getPosition() < iter.getEndIndex()) {
        layout = measurer.nextLayout(width);
        yPos += layout.getAscent() + layout.getDescent() + layout.getLeading();
        layout.draw(g2D, 2, yPos);
    }
}

Example 5 with LineBreakMeasurer

use of java.awt.font.LineBreakMeasurer in project playn by threerings.

the class JavaTextLayout method layoutText.

public static JavaTextLayout[] layoutText(JavaGraphics gfx, String text, TextFormat format, TextWrap wrap) {
    // normalize newlines in the text (Windows: CRLF -> LF, Mac OS pre-X: CR -> LF)
    text = normalizeEOL(text);
    // we do some fiddling to work around the fact that TextLayout chokes on the empty string
    String ltext = text.length() == 0 ? " " : text;
    // set up an attributed character iterator so that we can measure the text
    AttributedString astring = new AttributedString(ltext);
    if (format.font != null) {
        astring.addAttribute(TextAttribute.FONT, ((JavaFont) format.font).jfont);
    }
    List<JavaTextLayout> layouts = new ArrayList<JavaTextLayout>();
    FontRenderContext frc = format.antialias ? gfx.aaFontContext : gfx.aFontContext;
    LineBreakMeasurer measurer = new LineBreakMeasurer(astring.getIterator(), frc);
    int lastPos = ltext.length(), curPos = 0;
    char eol = '\n';
    while (curPos < lastPos) {
        int nextRet = ltext.indexOf(eol, measurer.getPosition() + 1);
        if (nextRet == -1) {
            nextRet = lastPos;
        }
        TextLayout layout = measurer.nextLayout(wrap.width, nextRet, false);
        int endPos = measurer.getPosition();
        while (curPos < endPos && ltext.charAt(curPos) == eol) // skip over EOLs
        curPos += 1;
        layouts.add(new JavaTextLayout(ltext.substring(curPos, endPos), format, layout));
        curPos = endPos;
    }
    return layouts.toArray(new JavaTextLayout[layouts.size()]);
}