Example usage for java.awt Graphics2D getFontRenderContext

List of usage examples for java.awt Graphics2D getFontRenderContext

Introduction

In this page you can find the example usage for java.awt Graphics2D getFontRenderContext.

Prototype


public abstract FontRenderContext getFontRenderContext();

Source Link

Document

Get the rendering context of the Font within this Graphics2D context.

Usage

From source file:com.github.lucapino.sheetmaker.renderer.JavaTemplateRenderer.java

public void drawString(Graphics g, String text, RectangularShape bounds, Align align, double angle,
        boolean multiline) {
    Graphics2D g2 = (Graphics2D) g;
    Font font = g2.getFont();/*from  w w w.j a v a2  s  .  c  o m*/
    if (angle != 0) {
        g2.setFont(font.deriveFont(AffineTransform.getRotateInstance(Math.toRadians(angle))));
    }

    Rectangle2D sSize = g2.getFontMetrics().getStringBounds(text, g2);
    Point2D pos = getPoint(bounds, align);
    double x = pos.getX();
    double y = pos.getY() + sSize.getHeight();

    switch (align) {
    case TopCenter:
    case BottomCenter:
    case Center:
        x -= (sSize.getWidth() / 2);
        break;
    case TopRight:
    case MiddleRight:
    case BottomRight:
        x -= (sSize.getWidth());
        break;
    case BottomLeft:
    case MiddleLeft:
    case TopLeft:
        break;
    }
    if (multiline) {
        // Create a new LineBreakMeasurer from the paragraph.
        // It will be cached and re-used.
        //if (lineMeasurer == null) {
        AttributedCharacterIterator paragraph = new AttributedString(text).getIterator();
        paragraphStart = paragraph.getBeginIndex();
        paragraphEnd = paragraph.getEndIndex();
        FontRenderContext frc = g2.getFontRenderContext();
        lineMeasurer = new LineBreakMeasurer(paragraph, frc);
        //}

        // Set break width to width of Component.
        float breakWidth = (float) bounds.getWidth();
        float drawPosY = (float) y;
        // Set position to the index of the first character in the paragraph.
        lineMeasurer.setPosition(paragraphStart);

        // Get lines until the entire paragraph has been displayed.
        while (lineMeasurer.getPosition() < paragraphEnd) {

            // Retrieve next layout. A cleverer program would also cache
            // these layouts until the component is re-sized.
            TextLayout layout = lineMeasurer.nextLayout(breakWidth);

            // Compute pen x position. If the paragraph is right-to-left we
            // will align the TextLayouts to the right edge of the panel.
            // Note: this won't occur for the English text in this sample.
            // Note: drawPosX is always where the LEFT of the text is placed.
            float drawPosX = layout.isLeftToRight() ? (float) x : (float) x + breakWidth - layout.getAdvance();

            // Move y-coordinate by the ascent of the layout.
            drawPosY += layout.getAscent();

            // Draw the TextLayout at (drawPosX, drawPosY).
            layout.draw(g2, drawPosX, drawPosY);

            // Move y-coordinate in preparation for next layout.
            drawPosY += layout.getDescent() + layout.getLeading();
        }
    } else {
        g2.drawString(text, (float) x, (float) y);
    }
    g2.setFont(font);
}

From source file:lcmc.common.ui.ResourceGraph.java

/** Returns layout of the text that will be drawn on the vertex. */
private TextLayout getVertexTextLayout(final Graphics2D g2d, final String text, final double fontSizeFactor) {
    final TextLayout ctl = textLayoutCache.get(fontSizeFactor + ":" + text);
    if (ctl != null) {
        return ctl;
    }//from   www  . j  a  v a  2 s.  com
    final Font font = mainData.getMainFrame().getFont();
    final FontRenderContext context = g2d.getFontRenderContext();
    final TextLayout tl = new TextLayout(text,
            new Font(font.getName(), font.getStyle(), (int) (font.getSize() * fontSizeFactor)), context);
    textLayoutCache.put(fontSizeFactor + ":" + text, tl);
    return tl;
}

From source file:spinworld.gui.RadarPlot.java

/**
 * Draws the label for one axis./*from   w ww .  ja  v a2  s . co m*/
 *
 * @param g2  the graphics device.
 * @param plotArea  whole plot drawing area (e.g. including space for labels)
 * @param plotDrawingArea  the plot drawing area (just spanning of axis)
 * @param value  the value of the label (ignored).
 * @param cat  the category (zero-based index).
 * @param startAngle  the starting angle.
 * @param extent  the extent of the arc.
 */
protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, Rectangle2D plotDrawingArea, double value,
        int cat, double startAngle, double extent) {
    FontRenderContext frc = g2.getFontRenderContext();

    String label = null;
    if (this.dataExtractOrder == TableOrder.BY_ROW) {
        // if series are in rows, then the categories are the column keys
        label = this.labelGenerator.generateColumnLabel(this.dataset, cat);
    } else {
        // if series are in columns, then the categories are the row keys
        label = this.labelGenerator.generateRowLabel(this.dataset, cat);
    }

    double angle = normalize(startAngle);

    Font font = getLabelFont();
    Point2D labelLocation;
    do {
        Rectangle2D labelBounds = font.getStringBounds(label, frc);
        LineMetrics lm = font.getLineMetrics(label, frc);
        double ascent = lm.getAscent();

        labelLocation = calculateLabelLocation(labelBounds, ascent, plotDrawingArea, startAngle);

        boolean leftOut = angle > 90 && angle < 270 && labelLocation.getX() < plotArea.getX();
        boolean rightOut = (angle < 90 || angle > 270)
                && labelLocation.getX() + labelBounds.getWidth() > plotArea.getX() + plotArea.getWidth();

        if (leftOut || rightOut) {
            font = font.deriveFont(font.getSize2D() - 1);
        } else {
            break;
        }
    } while (font.getSize() > 8);

    Composite saveComposite = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
    g2.setPaint(getLabelPaint());
    g2.setFont(font);
    g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY());
    g2.setComposite(saveComposite);
}

From source file:lcmc.gui.ResourceGraph.java

/** Returns layout of the text that will be drawn on the vertex. */
private TextLayout getVertexTextLayout(final Graphics2D g2d, final String text, final double fontSizeFactor) {
    final TextLayout ctl = textLayoutCache.get(fontSizeFactor + ':' + text);
    if (ctl != null) {
        return ctl;
    }//from w  w w.  j  a v  a2 s . c  o  m
    final Font font = Tools.getGUIData().getMainFrame().getFont();
    final FontRenderContext context = g2d.getFontRenderContext();
    TextLayout tl = new TextLayout(text,
            new Font(font.getName(), font.getStyle(), (int) (font.getSize() * fontSizeFactor)), context);
    textLayoutCache.put(fontSizeFactor + ':' + text, tl);
    return tl;
}

From source file:org.jax.haplotype.analysis.visualization.SimplePhylogenyTreeImageFactory.java

/**
 * Paint the given tree layout//  www . j  a v  a  2 s. c om
 * @param graphics
 *          the graphics to paint with
 * @param treeLayout
 *          the layout to paint
 */
private void paintPhylogenyTree(Graphics2D graphics, VisualTreeNode treeLayout) {
    int childNodeCount = treeLayout.getChildNodes().size();
    for (int i = 0; i < childNodeCount; i++) {
        VisualTreeNode visualChild = treeLayout.getChildNodes().get(i);

        Shape branchShape = new Line2D.Double(treeLayout.getPosition(), visualChild.getPosition());
        Shape branchShadowShape = SHADOW_TRANSFORM.createTransformedShape(branchShape);

        graphics.setColor(SHADOW_COLOR);
        graphics.draw(branchShadowShape);

        if (this.paintScale != null) {
            PhylogenyTreeEdge phylogenyEdge = treeLayout.getPhylogenyTreeNode().getChildEdges().get(i);
            if (phylogenyEdge instanceof PhylogenyTreeEdgeWithRealValue) {
                PhylogenyTreeEdgeWithRealValue phylogenyEdgeWithValue = (PhylogenyTreeEdgeWithRealValue) phylogenyEdge;
                Paint paint = this.paintScale.getPaint(phylogenyEdgeWithValue.getRealValue());
                graphics.setPaint(paint);
            } else {
                graphics.setColor(FOREGROUND_COLOR);
            }
        } else {
            graphics.setColor(FOREGROUND_COLOR);
        }
        graphics.draw(branchShape);

        // recurse
        this.paintPhylogenyTree(graphics, visualChild);
    }

    if (!treeLayout.getPhylogenyTreeNode().getStrains().isEmpty()) {
        Shape textShape = this.getLabelShape(treeLayout, graphics.getFontRenderContext());
        Shape borderShape = this.getLabelBorder(textShape);

        graphics.setColor(BACKGROUND_COLOR);
        graphics.fill(borderShape);

        graphics.setColor(SHADOW_COLOR);
        Area borderShadowShape = new Area(SHADOW_TRANSFORM.createTransformedShape(borderShape));
        borderShadowShape.subtract(new Area(borderShape));
        graphics.draw(borderShadowShape);

        graphics.setColor(FOREGROUND_COLOR);
        graphics.draw(borderShape);

        graphics.fill(textShape);
    }
}

From source file:spinworld.gui.RadarPlot.java

private void drawTickLabel(Graphics2D g2, Rectangle2D radarArea, Point2D middlePoint, double _axisAngle,
        int cat, double tick) {
    double axisAngle = normalize(_axisAngle);
    double _origin = getOrigin(cat).doubleValue();
    double max = getMaxValue(cat).doubleValue();
    double tickValue = ((max - _origin) * tick) + _origin;
    String label = "" + Math.round(tickValue * 1000) / 1000d;
    FontRenderContext frc = g2.getFontRenderContext();
    Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc);
    int labelW = (int) labelBounds.getWidth();
    int labelH = (int) labelBounds.getHeight();

    double centerX = radarArea.getCenterX();
    double centerY = radarArea.getCenterY();

    double adj = middlePoint.distance(centerX, centerY);
    double opp = TICK_MARK_LENGTH / 2 + 4;
    double hyp = Math.sqrt(Math.pow(opp, 2) + Math.pow(adj, 2));
    double angle = Math.toDegrees(Math.atan(opp / adj));
    int charHeight = g2.getFontMetrics().getHeight();
    int charWidth = g2.getFontMetrics().charWidth('M');

    double alphaRad = Math.toRadians(axisAngle - angle);
    double labelX = centerX + (hyp * Math.cos(alphaRad));
    double labelY = centerY - (hyp * Math.sin(alphaRad)) + labelH;

    //        g2.draw(new Line2D.Double(centerX, centerY, labelX, labelY - labelH)); // test line

    double sinGap = Math.pow(Math.sin(Math.toRadians(axisAngle)), 2);
    if (axisAngle > 90 && axisAngle < 270) {
        labelY -= labelH;/* w ww.  j a  v a 2 s.  com*/
        labelY += (charHeight * sinGap / 2);
    } else {
        labelY -= (charHeight * sinGap / 2);
    }
    double cosGap = Math.pow(Math.cos(Math.toRadians(axisAngle)), 2);
    if (axisAngle > 180) {
        labelX -= labelW;
        labelX += (charWidth * cosGap / 2);
    } else {
        labelX -= (charWidth * cosGap / 2);
    }
    //        g2.drawRect((int) labelX, (int) labelY - labelH, labelW, labelH); // test rectangle
    g2.setPaint(getLabelPaint());
    g2.setFont(getLabelFont());
    g2.drawString(label, (float) labelX, (float) labelY);
}

From source file:ImageOps.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    int w = getSize().width;
    int h = getSize().height;

    g2.setColor(Color.black);/*from  ww  w  .j a v  a  2  s  .c o m*/
    float[][] data = { { 0.1f, 0.1f, 0.1f, // low-pass filter
            0.1f, 0.2f, 0.1f, 0.1f, 0.1f, 0.1f }, SHARPEN3x3_3 };

    String theDesc[] = { "Convolve LowPass", "Convolve Sharpen", "LookupOp", "RescaleOp" };
    for (int i = 0; i < bi.length; i++) {
        int iw = bi[i].getWidth(this);
        int ih = bi[i].getHeight(this);
        int x = 0, y = 0;

        AffineTransform at = new AffineTransform();
        at.scale((w - 14) / 2.0 / iw, (h - 34) / 2.0 / ih);

        BufferedImageOp biop = null;
        BufferedImage bimg = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);

        switch (i) {
        case 0:
        case 1:
            x = i == 0 ? 5 : w / 2 + 3;
            y = 15;
            Kernel kernel = new Kernel(3, 3, data[i]);
            ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
            cop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
            break;
        case 2:
            x = 5;
            y = h / 2 + 15;
            byte chlut[] = new byte[256];
            for (int j = 0; j < 200; j++)
                chlut[j] = (byte) (256 - j);
            ByteLookupTable blut = new ByteLookupTable(0, chlut);
            LookupOp lop = new LookupOp(blut, null);
            lop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
            break;
        case 3:
            x = w / 2 + 3;
            y = h / 2 + 15;
            RescaleOp rop = new RescaleOp(1.1f, 20.0f, null);
            rop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
        }
        g2.drawImage(bimg, biop, x, y);
        TextLayout tl = new TextLayout(theDesc[i], g2.getFont(), g2.getFontRenderContext());
        tl.draw(g2, (float) x, (float) y - 4);
    }
}

From source file:lu.fisch.unimozer.Diagram.java

private void printHeaderFooter(Graphics g, PageFormat pageFormat, int page, String className) {
    int origPage = page + 1;

    // Add header
    g.setColor(Color.BLACK);//from  w ww  . ja  v  a2s .com
    int xOffset = (int) pageFormat.getImageableX();
    int topOffset = (int) pageFormat.getImageableY() + 20;
    int bottom = (int) (pageFormat.getImageableY() + pageFormat.getImageableHeight());
    // header line
    g.drawLine(xOffset, topOffset - 8, xOffset + (int) pageFormat.getImageableWidth(), topOffset - 8);
    // footer line
    g.drawLine(xOffset, bottom - 11, xOffset + (int) pageFormat.getImageableWidth(), bottom - 11);
    g.setFont(new Font(Font.SANS_SERIF, Font.ITALIC, 10));

    Graphics2D gg = (Graphics2D) g;
    String pageString = "Page " + origPage;
    int tw = (int) gg.getFont().getStringBounds(pageString, gg.getFontRenderContext()).getWidth();
    // footer text
    g.drawString(pageString, xOffset + (int) pageFormat.getImageableWidth() - tw, bottom - 2);

    //System.err.println("Printing: "+directoryName);
    if (directoryName != null) {
        g.setFont(new Font(g.getFont().getFontName(), Font.ITALIC, 10));
        String filename = directoryName;
        if (!className.equals(""))
            filename += System.getProperty("file.separator") + className + ".java";
        // header text
        g.drawString(filename, xOffset, bottom - 2);
        File f = new File(filename);
        //System.err.println("Printing: "+filename);
        if (f.exists()) {
            DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
            java.util.Date date = new java.util.Date();
            date.setTime(f.lastModified());
            String myDate = dateFormat.format(date);
            int w = (int) gg.getFont().getStringBounds(myDate, gg.getFontRenderContext()).getWidth();
            // header text
            g.drawString("File last modified on " + myDate, xOffset, topOffset - 10);
        }
    }
}

From source file:lu.fisch.unimozer.Diagram.java

@Override
public void paint(Graphics graphics) {
    super.paint(graphics);
    Graphics2D g = (Graphics2D) graphics;
    // set anti-aliasing rendering
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g.setFont(new Font(g.getFont().getFontName(), Font.PLAIN, Unimozer.DRAW_FONT_SIZE));

    // clear background
    g.setColor(Color.WHITE);//from   w w w.  ja  v  a  2  s . c o m
    g.fillRect(0, 0, getWidth() + 1, getHeight() + 1);
    g.setColor(Color.BLACK);

    /*Set<String> set;
    Iterator<String> itr;
    // draw classes a first time
    for(MyClass clas : classes.values())
    {
      clas.setEnabled(this.isEnabled());
      clas.draw(graphics,showFields,showMethods);
    }*/

    /* let's try this one ... */
    for (Entry<String, MyClass> entry : classes.entrySet()) {
        // get the actual class ...
        MyClass clas = entry.getValue();
        clas.setEnabled(this.isEnabled());
        clas.draw(graphics, showFields, showMethods);
    }

    // draw packages
    packages.clear();
    for (MyClass myClass : classes.values()) {
        if (myClass.isDisplayUML()) {
            Package myPackage = null;
            if (!packages.containsKey(myClass.getPackagename())) {
                myPackage = new Package(myClass.getPackagename(), myClass.getPosition().y,
                        myClass.getPosition().x, myClass.getWidth(), myClass.getHeight());
                packages.put(myPackage.getName(), myPackage);
            } else
                myPackage = packages.get(myClass.getPackagename());

            if (myClass.getPosition().x + myClass.getWidth() > myPackage.getRight())
                myPackage.setRight(myClass.getPosition().x + myClass.getWidth());
            if (myClass.getPosition().y + myClass.getHeight() > myPackage.getBottom())
                myPackage.setBottom(myClass.getPosition().y + myClass.getHeight());

            if (myClass.getPosition().x < myPackage.getLeft())
                myPackage.setLeft(myClass.getPosition().x);
            if (myClass.getPosition().y < myPackage.getTop())
                myPackage.setTop(myClass.getPosition().y);
        }
    }

    // draw classes
    /*
    set = classes.keySet();
    itr = set.iterator();
    while (itr.hasNext())
    {
      String str = itr.next();
      classes.get(str).draw(graphics);
    }/**/

    mostRight = 0;
    mostBottom = 0;

    // ??
    /*
    set = classes.keySet();
    itr = set.iterator();
    while (itr.hasNext())
    {
      String str = itr.next();
      MyClass thisClass = classes.get(str);
    }
    */

    // init topLeft & bottomRight
    topLeft = new Point(this.getWidth(), this.getHeight());
    bottomRight = new Point(0, 0);

    // draw packages
    if (packages.size() > 0)
        if ((packages.size() == 1 && packages.get(Package.DEFAULT) == null) || packages.size() > 1)
            for (Package pack : packages.values()) {
                pack.draw(graphics);
                // push outer box
                if (pack.getTopAbs() < topLeft.y)
                    topLeft.y = pack.getTopAbs();
                if (pack.getLeftAbs() < topLeft.x)
                    topLeft.x = pack.getLeftAbs();
                if (pack.getBottomAbs() > bottomRight.y)
                    bottomRight.y = pack.getBottomAbs();
                if (pack.getRightAbs() > bottomRight.x)
                    bottomRight.x = pack.getRightAbs();
            }

    // draw implmementations
    if (isShowHeritage()) {
        Stroke oldStroke = g.getStroke();
        g.setStroke(dashed);

        /*itr = set.iterator();
        while (itr.hasNext())
        {
          String str = itr.next();
        */

        /* let's try this one ... */
        for (Entry<String, MyClass> entry : classes.entrySet()) {
            // get the actual class ...
            String str = entry.getKey();

            MyClass thisClass = classes.get(str);

            if (thisClass.getPosition().x + thisClass.getWidth() > mostRight)
                mostRight = thisClass.getPosition().x + thisClass.getWidth();
            if (thisClass.getPosition().y + thisClass.getHeight() > mostBottom)
                mostBottom = thisClass.getPosition().y + thisClass.getHeight();

            if (thisClass.getImplements().size() > 0)
                for (String extendsClass : thisClass.getImplements()) {
                    MyClass otherClass = classes.get(extendsClass);
                    if (otherClass == null)
                        otherClass = findByShortName(extendsClass);
                    //if(otherClass==null) System.err.println(extendsClass+" not found (1)");
                    //if (otherClass==null) otherClass=findByShortName(extendsClass);
                    //if(otherClass==null) System.err.println(extendsClass+" not found (2)");
                    if (otherClass != null && thisClass.isDisplayUML() && otherClass.isDisplayUML()) {
                        thisClass.setExtendsMyClass(otherClass);
                        // draw arrow from thisClass to otherClass

                        // get the center point of each class
                        Point fromP = new Point(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y + thisClass.getHeight() / 2);
                        Point toP = new Point(otherClass.getPosition().x + otherClass.getWidth() / 2,
                                otherClass.getPosition().y + otherClass.getHeight() / 2);

                        // get the corner 4 points of the desstination class
                        // (outer margin = 4)
                        Point toP1 = new Point(otherClass.getPosition().x - 4, otherClass.getPosition().y - 4);
                        Point toP2 = new Point(otherClass.getPosition().x + otherClass.getWidth() + 4,
                                otherClass.getPosition().y - 4);
                        Point toP3 = new Point(otherClass.getPosition().x + otherClass.getWidth() + 4,
                                otherClass.getPosition().y + otherClass.getHeight() + 4);
                        Point toP4 = new Point(otherClass.getPosition().x - 4,
                                otherClass.getPosition().y + otherClass.getHeight() + 4);

                        // get the intersection with the center line an one of the
                        // sedis of the destination class
                        Point2D toDraw = getIntersection(fromP, toP, toP1, toP2);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP2, toP3);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP3, toP4);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP4, toP1);

                        // draw the arrowed line
                        if (toDraw != null)
                            drawExtends(g, fromP, new Point((int) toDraw.getX(), (int) toDraw.getY()));

                    }
                }

        }
        g.setStroke(oldStroke);
    }

    // draw inheritance
    if (isShowHeritage()) {
        /*itr = set.iterator();
        while (itr.hasNext())
        {
          String str = itr.next();
        */

        /* let's try this one ... */
        for (Entry<String, MyClass> entry : classes.entrySet()) {
            // get the actual class ...
            String str = entry.getKey();

            MyClass thisClass = classes.get(str);

            if (thisClass.getPosition().x + thisClass.getWidth() > mostRight)
                mostRight = thisClass.getPosition().x + thisClass.getWidth();
            if (thisClass.getPosition().y + thisClass.getHeight() > mostBottom)
                mostBottom = thisClass.getPosition().y + thisClass.getHeight();

            String extendsClass = thisClass.getExtendsClass();
            //System.out.println(thisClass.getFullName()+" extends "+extendsClass);
            if (!extendsClass.equals("") && thisClass.isDisplayUML()) {
                MyClass otherClass = classes.get(extendsClass);
                if (otherClass == null)
                    otherClass = findByShortName(extendsClass);
                //if(otherClass==null) System.err.println(extendsClass+" not found (1)");
                //if (otherClass==null) otherClass=findByShortName(extendsClass);
                //if(otherClass==null) System.err.println(extendsClass+" not found (2)");
                if (otherClass != null) {
                    if (otherClass != thisClass) {
                        thisClass.setExtendsMyClass(otherClass);
                        // draw arrow from thisClass to otherClass

                        // get the center point of each class
                        Point fromP = new Point(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y + thisClass.getHeight() / 2);
                        Point toP = new Point(otherClass.getPosition().x + otherClass.getWidth() / 2,
                                otherClass.getPosition().y + otherClass.getHeight() / 2);

                        // get the corner 4 points of the desstination class
                        // (outer margin = 4)
                        Point toP1 = new Point(otherClass.getPosition().x - 4, otherClass.getPosition().y - 4);
                        Point toP2 = new Point(otherClass.getPosition().x + otherClass.getWidth() + 4,
                                otherClass.getPosition().y - 4);
                        Point toP3 = new Point(otherClass.getPosition().x + otherClass.getWidth() + 4,
                                otherClass.getPosition().y + otherClass.getHeight() + 4);
                        Point toP4 = new Point(otherClass.getPosition().x - 4,
                                otherClass.getPosition().y + otherClass.getHeight() + 4);

                        // get the intersection with the center line an one of the
                        // sedis of the destination class
                        Point2D toDraw = getIntersection(fromP, toP, toP1, toP2);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP2, toP3);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP3, toP4);
                        if (toDraw == null)
                            toDraw = getIntersection(fromP, toP, toP4, toP1);

                        // draw in red if there is a cclic inheritance problem
                        if (thisClass.hasCyclicInheritance()) {
                            ((Graphics2D) graphics).setStroke(new BasicStroke(2));
                            graphics.setColor(Color.RED);
                        }

                        // draw the arrowed line
                        if (toDraw != null)
                            drawExtends((Graphics2D) graphics, fromP,
                                    new Point((int) toDraw.getX(), (int) toDraw.getY()));

                    } else {
                        ((Graphics2D) graphics).setStroke(new BasicStroke(2));
                        graphics.setColor(Color.RED);

                        // line
                        graphics.drawLine(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y, thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y - 32);
                        graphics.drawLine(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y - 32,
                                thisClass.getPosition().x + thisClass.getWidth() + 32,
                                thisClass.getPosition().y - 32);
                        graphics.drawLine(thisClass.getPosition().x + thisClass.getWidth() + 32,
                                thisClass.getPosition().y - 32,
                                thisClass.getPosition().x + thisClass.getWidth() + 32,
                                thisClass.getPosition().y + thisClass.getHeight() + 32);
                        graphics.drawLine(thisClass.getPosition().x + thisClass.getWidth() + 32,
                                thisClass.getPosition().y + thisClass.getHeight() + 32,
                                thisClass.getPosition().x + thisClass.getWidth() / 2,
                                thisClass.getPosition().y + thisClass.getHeight() + 32);
                        drawExtends((Graphics2D) graphics,
                                new Point(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                        thisClass.getPosition().y + thisClass.getHeight() + 32),
                                new Point(thisClass.getPosition().x + thisClass.getWidth() / 2,
                                        thisClass.getPosition().y + thisClass.getHeight()));
                    }

                    // reset the stroke and the color
                    ((Graphics2D) graphics).setStroke(new BasicStroke(1));
                    graphics.setColor(Color.BLACK);
                }
            }
        }
    }

    // setup a hastable to store the relations
    //Hashtable<String,StringList> classUsage = new Hashtable<String,StringList>();

    // store compositions
    Hashtable<MyClass, Vector<MyClass>> classCompositions = new Hashtable<MyClass, Vector<MyClass>>();
    // store aggregations
    Hashtable<MyClass, Vector<MyClass>> classAggregations = new Hashtable<MyClass, Vector<MyClass>>();
    // store all relations
    Hashtable<MyClass, Vector<MyClass>> classUsings = new Hashtable<MyClass, Vector<MyClass>>();

    /*
    // iterate through all classes to find compositions
    itr = set.iterator();
    while (itr.hasNext())
    {
      // get the actual classname
      String str = itr.next();
    */

    /* let's try this one ... */
    for (Entry<String, MyClass> entry : classes.entrySet()) {
        // get the actual class ...
        String str = entry.getKey();

        // get the corresponding "MyClass" object
        MyClass thisClass = classes.get(str);
        // setup a list to store the relations with this class
        Vector<MyClass> theseCompositions = new Vector<MyClass>();

        // get all fields of this class
        StringList uses = thisClass.getFieldTypes();
        for (int u = 0; u < uses.count(); u++) {
            // try to find the other (used) class
            MyClass otherClass = classes.get(uses.get(u));
            if (otherClass == null)
                otherClass = findByShortName(uses.get(u));
            if (otherClass != null) // means this class uses the other ones
            {
                // add the other class to the list
                theseCompositions.add(otherClass);
            }
        }

        // add the list of used classes to the MyClass object
        thisClass.setUsesMyClass(theseCompositions);
        // store the composition in the general list
        classCompositions.put(thisClass, theseCompositions);
        // store the compositions int eh global relation list
        classUsings.put(thisClass, new Vector<MyClass>(theseCompositions));
        //                        ^^^^^^^^^^^^^^^^^^^^
        //    important !! => create a new vector, otherwise the list
        //                    are the same ...
    }

    /*
    // iterate through all classes to find aggregations
    itr = set.iterator();
    while (itr.hasNext())
    {
      // get the actual class
      String str = itr.next();
    */

    /* let's try this one ... */
    for (Entry<String, MyClass> entry : classes.entrySet()) {
        // get the actual class ...
        String str = entry.getKey();

        // get the corresponding "MyClass" object
        MyClass thisClass = classes.get(str);
        // we need a list to store the aggragations with this class
        Vector<MyClass> theseAggregations = new Vector<MyClass>();
        // try to get the list of compositions for this class
        // init if not present
        Vector<MyClass> theseCompositions = classCompositions.get(thisClass);
        if (theseCompositions == null)
            theseCompositions = new Vector<MyClass>();
        // try to get the list of all relations for this class
        // init if not present
        Vector<MyClass> theseClasses = classUsings.get(thisClass);
        if (theseClasses == null)
            theseClasses = new Vector<MyClass>();

        // get the names of the classes that thisclass uses
        StringList foundUsage = thisClass.getUsesWho();
        // go through the list an check to find a corresponding MyClass
        for (int f = 0; f < foundUsage.count(); f++) {
            // get the name of the used class
            String usedClass = foundUsage.get(f);

            MyClass otherClass = classes.get(usedClass);
            if (otherClass == null)
                otherClass = findByShortName(usedClass);
            if (otherClass != null && thisClass != otherClass)
            // meanint "otherClass" is a class used by thisClass
            {
                if (!theseCompositions.contains(otherClass))
                    theseAggregations.add(otherClass);
                if (!theseClasses.contains(otherClass))
                    theseClasses.add(otherClass);
            }
        }

        // get all method types of this class
        StringList uses = thisClass.getMethodTypes();
        for (int u = 0; u < uses.count(); u++) {
            // try to find the other (used) class
            MyClass otherClass = classes.get(uses.get(u));
            if (otherClass == null)
                otherClass = findByShortName(uses.get(u));
            if (otherClass != null) // means this class uses the other ones
            {
                // add the other class to the list
                theseAggregations.add(otherClass);
            }
        }

        // store the relations to the class
        thisClass.setUsesMyClass(theseClasses);
        // store the aggregation to the global list
        classAggregations.put(thisClass, theseAggregations);
        // store all relations to the global list
        classUsings.put(thisClass, theseClasses);
    }

    if (isShowComposition()) {
        /*Set<MyClass> set2 = classCompositions.keySet();
        Iterator<MyClass> itr2 = set2.iterator();
        while (itr2.hasNext())
        {
          MyClass thisClass = itr2.next();
        */

        /* let's try this one ... */
        for (Entry<MyClass, Vector<MyClass>> entry : classCompositions.entrySet()) {
            // get the actual class ...
            MyClass thisClass = entry.getKey();
            if (thisClass.isDisplayUML()) {
                Vector<MyClass> otherClasses = classCompositions.get(thisClass);
                for (MyClass otherClass : otherClasses)
                    drawComposition(g, thisClass, otherClass, classUsings);
            }
        }
    }

    if (isShowAggregation()) {
        /*Set<MyClass> set2 = classAggregations.keySet();
        Iterator<MyClass> itr2 = set2.iterator();
        while (itr2.hasNext())
        {
          MyClass thisClass = itr2.next();
        */

        /* let's try this one ... */
        for (Entry<MyClass, Vector<MyClass>> entry : classAggregations.entrySet()) {
            // get the actual class ...
            MyClass thisClass = entry.getKey();
            if (thisClass.isDisplayUML()) {
                Vector<MyClass> otherClasses = classAggregations.get(thisClass);
                for (MyClass otherClass : otherClasses)
                    drawAggregation(g, thisClass, otherClass, classUsings);
            }
        }
    }

    // draw classes again to put them on top
    // of the arrows
    /*set = classes.keySet();
    itr = set.iterator();
    while (itr.hasNext())
    {
      String str = itr.next();
    */

    /* let's try this one ... */
    for (Entry<String, MyClass> entry : classes.entrySet()) {
        // get the actual class ...
        String str = entry.getKey();

        classes.get(str).setEnabled(this.isEnabled());
        classes.get(str).draw(graphics, showFields, showMethods);

        // push outer box
        MyClass thisClass = classes.get(str);
        if (thisClass.getPosition().y < topLeft.y)
            topLeft.y = thisClass.getPosition().y;
        if (thisClass.getPosition().x < topLeft.x)
            topLeft.x = thisClass.getPosition().x;
        if (thisClass.getPosition().y + thisClass.getHeight() > bottomRight.y)
            bottomRight.y = thisClass.getPosition().y + thisClass.getHeight();
        if (thisClass.getPosition().x + thisClass.getWidth() > bottomRight.x)
            bottomRight.x = thisClass.getPosition().x + thisClass.getWidth();

    }

    // comments
    if (commentString != null) {
        String fontName = g.getFont().getName();
        g.setFont(new Font("Courier", g.getFont().getStyle(), Unimozer.DRAW_FONT_SIZE));

        if (!commentString.trim().equals("")) {
            String myCommentString = new String(commentString);
            Point myCommentPoint = new Point(commentPoint);
            //System.out.println(myCommentString);

            // adjust comment
            myCommentString = myCommentString.trim();
            // adjust position
            myCommentPoint.y = myCommentPoint.y + 16;

            // explode comment
            StringList sl = StringList.explode(myCommentString, "\n");
            // calculate totals
            int totalHeight = 0;
            int totalWidth = 0;
            for (int i = 0; i < sl.count(); i++) {
                String line = sl.get(i).trim();
                int h = (int) g.getFont().getStringBounds(line, g.getFontRenderContext()).getHeight();
                int w = (int) g.getFont().getStringBounds(line, g.getFontRenderContext()).getWidth();
                totalHeight += h;
                totalWidth = Math.max(totalWidth, w);
            }

            // get comment size
            // draw background
            g.setColor(new Color(255, 255, 128, 255));
            g.fillRoundRect(myCommentPoint.x, myCommentPoint.y, totalWidth + 8, totalHeight + 8, 4, 4);
            // draw border
            g.setColor(Color.BLACK);
            g.drawRoundRect(myCommentPoint.x, myCommentPoint.y, totalWidth + 8, totalHeight + 8, 4, 4);

            // draw text
            totalHeight = 0;
            for (int i = 0; i < sl.count(); i++) {
                String line = sl.get(i).trim();
                int h = (int) g.getFont().getStringBounds(myCommentString, g.getFontRenderContext())
                        .getHeight();
                g.drawString(line, myCommentPoint.x + 4, myCommentPoint.y + h + 2 + totalHeight);
                totalHeight += h;
            }

        }

        g.setFont(new Font(fontName, Font.PLAIN, Unimozer.DRAW_FONT_SIZE));

    }

    /*
    if(!isEnabled())
    {
        g.setColor(new Color(128,128,128,128));
        g.fillRect(0,0,getWidth(),getHeight());
            
    }
    */

    this.setPreferredSize(new Dimension(mostRight + 32, mostBottom + 32));
    // THE NEXT LINE MAKES ALL DIALOGUES DISAPEAR!!
    //this.setSize(mostRight+32, mostBottom+32);
    this.validate();
    ((JScrollPane) this.getParent().getParent()).revalidate();

    if (mode == MODE_EXTENDS && extendsFrom != null && extendsDragPoint != null) {
        graphics.setColor(Color.BLUE);
        ((Graphics2D) graphics).setStroke(new BasicStroke(2));
        drawExtends(g, new Point(extendsFrom.getPosition().x + extendsFrom.getWidth() / 2,
                extendsFrom.getPosition().y + extendsFrom.getHeight() / 2), extendsDragPoint);
        graphics.setColor(Color.BLACK);
        ((Graphics2D) graphics).setStroke(new BasicStroke(1));
    }
}

From source file:org.apache.fop.render.java2d.Java2DPainter.java

/** {@inheritDoc} */
public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[] dx, String text)
        throws IFException {
    g2dState.updateColor(state.getTextColor());
    FontTriplet triplet = new FontTriplet(state.getFontFamily(), state.getFontStyle(), state.getFontWeight());
    //TODO Ignored: state.getFontVariant()
    //TODO Opportunity for font caching if font state is more heavily used
    Font font = getFontInfo().getFontInstance(triplet, state.getFontSize());
    //String fontName = font.getFontName();
    //float fontSize = state.getFontSize() / 1000f;
    g2dState.updateFont(font.getFontName(), state.getFontSize() * 1000);

    Graphics2D g2d = this.g2dState.getGraph();
    GlyphVector gv = g2d.getFont().createGlyphVector(g2d.getFontRenderContext(), text);
    Point2D cursor = new Point2D.Float(0, 0);

    int l = text.length();
    int dxl = (dx != null ? dx.length : 0);

    if (dx != null && dxl > 0 && dx[0] != 0) {
        cursor.setLocation(cursor.getX() - (dx[0] / 10f), cursor.getY());
        gv.setGlyphPosition(0, cursor);//from ww w  .  j a  v  a2s .c o  m
    }
    for (int i = 0; i < l; i++) {
        char orgChar = text.charAt(i);
        float glyphAdjust = 0;
        int cw = font.getCharWidth(orgChar);

        if ((wordSpacing != 0) && CharUtilities.isAdjustableSpace(orgChar)) {
            glyphAdjust += wordSpacing;
        }
        glyphAdjust += letterSpacing;
        if (dx != null && i < dxl - 1) {
            glyphAdjust += dx[i + 1];
        }

        cursor.setLocation(cursor.getX() + cw + glyphAdjust, cursor.getY());
        gv.setGlyphPosition(i + 1, cursor);
    }
    g2d.drawGlyphVector(gv, x, y);
}