Example usage for java.awt.geom AffineTransform translate

Introduction

In this page you can find the example usage for java.awt.geom AffineTransform translate.

Prototype

public void translate(double tx, double ty) 

Source Link

Document

Concatenates this transform with a translation transformation.

Usage

From source file:ScalingMethods.java

/**
 * Draws the picture five times, using the five different scaling
 * approaches described in the book. All five look the same, since
 * all are using default (nearest neighbor) filtering during the
 * scale operation./* w  ww  .  j a  v  a  2s  .  c om*/
 */
public void paintComponent(Graphics g) {
    int x = PADDING;
    int y = PADDING;

    // Simplest approach
    g.drawImage(picture, x, y, scaleW, scaleH, null);

    // Subregion approach
    x += scaleW + PADDING;
    g.drawImage(picture, x, y, x + scaleW, y + scaleH, 0, 0, picture.getWidth(), picture.getHeight(), null);

    // Graphics2D.scale approach
    x += scaleW + PADDING;
    Graphics2D g2d = (Graphics2D) g.create();
    g2d.translate(x, y);
    g2d.scale(SCALE_FACTOR, SCALE_FACTOR);
    g2d.drawImage(picture, 0, 0, null);
    g2d.dispose();

    // AffineTransform.scale approach
    x += scaleW + PADDING;
    g2d = (Graphics2D) g.create();
    AffineTransform at = new AffineTransform();
    at.translate(x, y);
    at.scale(SCALE_FACTOR, SCALE_FACTOR);
    g2d.drawImage(picture, at, null);
    g2d.dispose();

    // getScaledInstance() approach
    x += scaleW + PADDING;
    Image scaledImg = picture.getScaledInstance(scaleW, scaleH, Image.SCALE_DEFAULT);
    g.drawImage(scaledImg, x, y, null);
}

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From source file:TransformersRotationTranslation.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    // Use antialiasing.
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    // Move the origin to 75, 75.
    AffineTransform at = AffineTransform.getTranslateInstance(75, 75);
    g2.transform(at);/*from w  ww  .  ja v  a2 s.  c  om*/

    // Draw the shapes in their original locations.
    g2.setPaint(Color.black);
    g2.draw(axes);
    g2.draw(shape);

    // Transform the Graphics2D.
    AffineTransform rat = new AffineTransform();
    rat.setToRotation(Math.PI / 6);
    rat.translate(100, 100);

    g2.transform(rat);

    // Draw the "new" shapes in dashed.
    Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] { 3, 1 },
            0);
    g2.setStroke(stroke);
    g2.draw(axes);
    g2.draw(shape);
}

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From source file:com.jakemadethis.graphite.visualization.renderers.HyperedgeLabelRenderer.java

public void labelEdge(RenderContext<V, E> rc, Layout<V, E> layout, E e, String label) {
    if (label == null || label.length() == 0)
        return;//www.  j  ava2  s  .co m

    Graph<V, E> g = layout.getGraph();

    EdgeLayout<E> edgeLayout = EdgeLayout$.MODULE$.apply(layout);

    Hypergraph<V, E> hg = g;

    if (!drawPredicate.evaluate(Context.<Hypergraph<V, E>, E>getInstance(hg, e)))
        return;

    if (!rc.getEdgeIncludePredicate().evaluate(Context.<Graph<V, E>, E>getInstance(g, e)))
        return;

    Point2D edgePos = edgeLayout.getEdgeLocation(e);
    edgePos = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, edgePos);

    GraphicsDecorator gd = rc.getGraphicsContext();

    Component component = prepareRenderer(rc, rc.getEdgeLabelRenderer(), label,
            rc.getPickedEdgeState().isPicked(e), e);

    Dimension d = component.getPreferredSize();

    AffineTransform old = gd.getTransform();
    AffineTransform xform = new AffineTransform(old);
    xform.translate(edgePos.getX(), edgePos.getY());

    gd.setTransform(xform);
    gd.setStroke(new BasicStroke(1));
    Rectangle rect = new Rectangle(-10, -10, 20, 20);
    gd.setPaint(Color.WHITE);
    gd.fill(rect);
    gd.setPaint(Color.GRAY);
    gd.draw(rect);

    xform.translate(-d.width / 2, -d.height / 2);
    gd.setTransform(xform);

    gd.draw(component, rc.getRendererPane(), 0, 0, d.width, d.height, true);

    gd.setTransform(old);
}

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From source file:BufferedImageThread.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Dimension d = getSize();//w w  w. ja va 2 s .  co m

    bi = new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D big = bi.createGraphics();

    step(d.width, d.height);

    AffineTransform at = new AffineTransform();
    at.setToIdentity();
    at.translate(x, y);
    at.rotate(Math.toRadians(rotate));
    at.scale(scale, scale);
    big.drawImage(image, at, this);

    Graphics2D g2D = (Graphics2D) g;
    g2D.drawImage(bi, 0, 0, null);

    big.dispose();
}

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From source file:FontPaint.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    setBackground(Color.white);//from   w  w  w . ja v  a  2 s .c  o m
    int width = getSize().width;
    int height = getSize().height;
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

    FontRenderContext frc = g2.getFontRenderContext();
    Font f = new Font("Helvetica", 1, 60);
    String s = new String("Java Source and Support.");
    TextLayout textTl = new TextLayout(s, f, frc);
    AffineTransform transform = new AffineTransform();
    Shape outline = textTl.getOutline(null);
    Rectangle outlineBounds = outline.getBounds();
    transform = g2.getTransform();
    transform.translate(width / 2 - (outlineBounds.width / 2), height / 2 + (outlineBounds.height / 2));
    g2.transform(transform);
    g2.setColor(Color.blue);
    g2.draw(outline);
    g2.setClip(outline);
}

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From source file:MainClass.java

public void paintToPDF(JTextPane ta) {
    try {//from ww w . j ava  2 s.  com
        ta.setBounds(0, 0, (int) convertToPixels(612 - 58), (int) convertToPixels(792 - 60));

        Document document = new Document();
        FileOutputStream fos = new FileOutputStream("2.pdf");
        PdfWriter writer = PdfWriter.getInstance(document, fos);

        document.setPageSize(new com.lowagie.text.Rectangle(612, 792));
        document.open();
        PdfContentByte cb = writer.getDirectContent();

        cb.saveState();
        cb.concatCTM(1, 0, 0, 1, 0, 0);

        DefaultFontMapper mapper = new DefaultFontMapper();
        mapper.insertDirectory("c:/windows/fonts");

        Graphics2D g2 = cb.createGraphics(612, 792, mapper, true, .95f);

        AffineTransform at = new AffineTransform();
        at.translate(convertToPixels(20), convertToPixels(20));
        at.scale(pixelToPoint, pixelToPoint);

        g2.transform(at);

        g2.setColor(Color.WHITE);
        g2.fill(ta.getBounds());

        Rectangle alloc = getVisibleEditorRect(ta);
        ta.getUI().getRootView(ta).paint(g2, alloc);

        g2.setColor(Color.BLACK);
        g2.draw(ta.getBounds());

        g2.dispose();
        cb.restoreState();
        document.close();
        fos.flush();
        fos.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:Starry.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    setBackground(Color.white);/* w  w  w.  j a v a2 s .  c  o  m*/
    w = getSize().width;
    h = getSize().height;
    Graphics2D g2;
    g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

    FontRenderContext frc = g2.getFontRenderContext();
    Font f = new Font("Helvetica", 1, w / 10);
    String s = new String("The Starry Night");
    TextLayout textTl = new TextLayout(s, f, frc);
    AffineTransform transform = new AffineTransform();
    Shape outline = textTl.getOutline(null);
    Rectangle r = outline.getBounds();
    transform = g2.getTransform();
    transform.translate(w / 2 - (r.width / 2), h / 2 + (r.height / 2));
    g2.transform(transform);
    g2.setColor(Color.blue);
    g2.draw(outline);
    g2.setClip(outline);
    g2.drawImage(img, r.x, r.y, r.width, r.height, this);

}

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From source file:edu.uci.ics.jung.visualization.util.VertexShapeFactory.java

/**
 * Returns a regular <code>num_sides</code>-sided 
 * <code>Polygon</code> whose bounding 
 * box's width and height are defined by this instance's size and
 * aspect ratio functions for this vertex.
 * @param num_sides the number of sides of the polygon; must be >= 3.
 *///from   w  w w . jav a2s  . com
public Shape getRegularPolygon(V v, int num_sides) {
    if (num_sides < 3)
        throw new IllegalArgumentException("Number of sides must be >= 3");
    Rectangle2D frame = getRectangle(v);
    float width = (float) frame.getWidth();
    float height = (float) frame.getHeight();

    // generate coordinates
    double angle = 0;
    thePolygon.reset();
    thePolygon.moveTo(0, 0);
    thePolygon.lineTo(width, 0);
    double theta = (2 * Math.PI) / num_sides;
    for (int i = 2; i < num_sides; i++) {
        angle -= theta;
        float delta_x = (float) (width * Math.cos(angle));
        float delta_y = (float) (width * Math.sin(angle));
        Point2D prev = thePolygon.getCurrentPoint();
        thePolygon.lineTo((float) prev.getX() + delta_x, (float) prev.getY() + delta_y);
    }
    thePolygon.closePath();

    // scale polygon to be right size, translate to center at (0,0)
    Rectangle2D r = thePolygon.getBounds2D();
    double scale_x = width / r.getWidth();
    double scale_y = height / r.getHeight();
    float translationX = (float) (r.getMinX() + r.getWidth() / 2);
    float translationY = (float) (r.getMinY() + r.getHeight() / 2);

    AffineTransform at = AffineTransform.getScaleInstance(scale_x, scale_y);
    at.translate(-translationX, -translationY);

    Shape shape = at.createTransformedShape(thePolygon);
    return shape;
}

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From source file:edu.uci.ics.jung.visualization.util.VertexShapeFactory.java

/**
 * Returns a regular <code>Polygon</code> of <code>num_points</code>
 * points whose bounding /*from  w ww .  ja  va  2 s. c om*/
 * box's width and height are defined by this instance's size and
 * aspect ratio functions for this vertex.
 * @param num_points the number of points of the polygon; must be >= 5.
 */
public Shape getRegularStar(V v, int num_points) {
    if (num_points < 5)
        throw new IllegalArgumentException("Number of sides must be >= 5");
    Rectangle2D frame = getRectangle(v);
    float width = (float) frame.getWidth();
    float height = (float) frame.getHeight();

    // generate coordinates
    double theta = (2 * Math.PI) / num_points;
    double angle = -theta / 2;
    thePolygon.reset();
    thePolygon.moveTo(0, 0);
    float delta_x = width * (float) Math.cos(angle);
    float delta_y = width * (float) Math.sin(angle);
    Point2D prev = thePolygon.getCurrentPoint();
    thePolygon.lineTo((float) prev.getX() + delta_x, (float) prev.getY() + delta_y);
    for (int i = 1; i < num_points; i++) {
        angle += theta;
        delta_x = width * (float) Math.cos(angle);
        delta_y = width * (float) Math.sin(angle);
        prev = thePolygon.getCurrentPoint();
        thePolygon.lineTo((float) prev.getX() + delta_x, (float) prev.getY() + delta_y);
        angle -= theta * 2;
        delta_x = width * (float) Math.cos(angle);
        delta_y = width * (float) Math.sin(angle);
        prev = thePolygon.getCurrentPoint();
        thePolygon.lineTo((float) prev.getX() + delta_x, (float) prev.getY() + delta_y);
    }
    thePolygon.closePath();

    // scale polygon to be right size, translate to center at (0,0)
    Rectangle2D r = thePolygon.getBounds2D();
    double scale_x = width / r.getWidth();
    double scale_y = height / r.getHeight();

    float translationX = (float) (r.getMinX() + r.getWidth() / 2);
    float translationY = (float) (r.getMinY() + r.getHeight() / 2);

    AffineTransform at = AffineTransform.getScaleInstance(scale_x, scale_y);
    at.translate(-translationX, -translationY);

    Shape shape = at.createTransformedShape(thePolygon);
    return shape;
}

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From source file:edu.umn.cs.spatialHadoop.operations.GeometricPlot.java

private static <S extends Shape> void plotLocal(Path inFile, Path outFile, OperationsParams params)
        throws IOException {
    int width = params.getInt("width", 1000);
    int height = params.getInt("height", 1000);

    Color strokeColor = params.getColor("color", Color.BLACK);
    int color = strokeColor.getRGB();

    String hdfDataset = (String) params.get("dataset");
    Shape shape = hdfDataset != null ? new NASARectangle() : (Shape) params.getShape("shape", null);
    Shape plotRange = params.getShape("rect", null);

    boolean keepAspectRatio = params.is("keep-ratio", true);

    String valueRangeStr = (String) params.get("valuerange");
    MinMax valueRange;/*from   ww w .  j a v  a  2  s. c  o m*/
    if (valueRangeStr == null) {
        valueRange = null;
    } else {
        String[] parts = valueRangeStr.split(",");
        valueRange = new MinMax(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
    }

    InputSplit[] splits;
    FileSystem inFs = inFile.getFileSystem(params);
    FileStatus inFStatus = inFs.getFileStatus(inFile);
    if (inFStatus != null && !inFStatus.isDir()) {
        // One file, retrieve it immediately.
        // This is useful if the input is a hidden file which is automatically
        // skipped by FileInputFormat. We need to plot a hidden file for the case
        // of plotting partition boundaries of a spatial index
        splits = new InputSplit[] { new FileSplit(inFile, 0, inFStatus.getLen(), new String[0]) };
    } else {
        JobConf job = new JobConf(params);
        ShapeInputFormat<Shape> inputFormat = new ShapeInputFormat<Shape>();
        ShapeInputFormat.addInputPath(job, inFile);
        splits = inputFormat.getSplits(job, 1);
    }

    boolean vflip = params.is("vflip");

    Rectangle fileMbr;
    if (plotRange != null) {
        fileMbr = plotRange.getMBR();
    } else if (hdfDataset != null) {
        // Plotting a NASA file
        fileMbr = new Rectangle(-180, -90, 180, 90);
    } else {
        fileMbr = FileMBR.fileMBR(inFile, params);
    }

    if (keepAspectRatio) {
        // Adjust width and height to maintain aspect ratio
        if (fileMbr.getWidth() / fileMbr.getHeight() > (double) width / height) {
            // Fix width and change height
            height = (int) (fileMbr.getHeight() * width / fileMbr.getWidth());
        } else {
            width = (int) (fileMbr.getWidth() * height / fileMbr.getHeight());
        }
    }

    boolean adaptiveSample = shape instanceof Point && params.getBoolean("sample", false);
    float adaptiveSampleRatio = 0.0f;
    if (adaptiveSample) {
        // Calculate the sample ratio
        long recordCount = FileMBR.fileMBR(inFile, params).recordCount;
        adaptiveSampleRatio = params.getFloat(AdaptiveSampleFactor, 1.0f) * width * height / recordCount;
    }

    boolean gradualFade = !(shape instanceof Point) && params.getBoolean("fade", false);

    if (hdfDataset != null) {
        // Collects some stats about the HDF file
        if (valueRange == null)
            valueRange = Aggregate.aggregate(new Path[] { inFile }, params);
        NASAPoint.minValue = valueRange.minValue;
        NASAPoint.maxValue = valueRange.maxValue;
        NASAPoint.setColor1(params.getColor("color1", Color.BLUE));
        NASAPoint.setColor2(params.getColor("color2", Color.RED));
        NASAPoint.gradientType = params.getGradientType("gradient", NASAPoint.GradientType.GT_HUE);
    }

    double scale2 = (double) width * height / (fileMbr.getWidth() * fileMbr.getHeight());
    double scale = Math.sqrt(scale2);

    // Create an image
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = image.createGraphics();
    Color bg_color = params.getColor("bgcolor", new Color(0, 0, 0, 0));
    graphics.setBackground(bg_color);
    graphics.clearRect(0, 0, width, height);
    graphics.setColor(strokeColor);

    for (InputSplit split : splits) {
        if (hdfDataset != null) {
            // Read points from the HDF file
            RecordReader<NASADataset, NASAShape> reader = new HDFRecordReader(params, (FileSplit) split,
                    hdfDataset, true);
            NASADataset dataset = reader.createKey();

            while (reader.next(dataset, (NASAShape) shape)) {
                // Skip with a fixed ratio if adaptive sample is set
                if (adaptiveSample && Math.random() > adaptiveSampleRatio)
                    continue;
                if (plotRange == null || shape.isIntersected(shape)) {
                    shape.draw(graphics, fileMbr, width, height, 0.0);
                }
            }
            reader.close();
        } else {
            RecordReader<Rectangle, Shape> reader = new ShapeRecordReader<Shape>(params, (FileSplit) split);
            Rectangle cell = reader.createKey();
            while (reader.next(cell, shape)) {
                // Skip with a fixed ratio if adaptive sample is set
                if (adaptiveSample && Math.random() > adaptiveSampleRatio)
                    continue;
                Rectangle shapeMBR = shape.getMBR();
                if (shapeMBR != null) {
                    if (plotRange == null || shapeMBR.isIntersected(plotRange)) {
                        if (gradualFade) {
                            double sizeInPixels = (shapeMBR.getWidth() + shapeMBR.getHeight()) * scale;
                            if (sizeInPixels < 1.0 && Math.round(sizeInPixels * 255) < 1.0) {
                                // This shape can be safely skipped as it is too small to be plotted
                                continue;
                            } else {
                                int alpha = (int) Math.round(sizeInPixels * 255);
                                graphics.setColor(new Color((alpha << 24) | color, true));
                            }
                        }
                        shape.draw(graphics, fileMbr, width, height, scale2);
                    }
                }
            }
            reader.close();
        }
    }
    // Write image to output
    graphics.dispose();
    if (vflip) {
        AffineTransform tx = AffineTransform.getScaleInstance(1, -1);
        tx.translate(0, -image.getHeight());
        AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
        image = op.filter(image, null);
    }
    FileSystem outFs = outFile.getFileSystem(params);
    OutputStream out = outFs.create(outFile, true);
    ImageIO.write(image, "png", out);
    out.close();

}

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