Example usage for java.awt Graphics2D setColor

Introduction

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

Prototype

public abstract void setColor(Color c);

Source Link

Document

Sets this graphics context's current color to the specified color.

Usage

From source file:com.simiacryptus.mindseye.applications.ArtistryUtil.java

/**
 * Paint lines.//from   w  w  w. j  a  v a 2 s  .c  om
 *
 * @param canvas the canvas
 */
public static void paint_Lines(final Tensor canvas) {
    BufferedImage originalImage = canvas.toImage();
    BufferedImage newImage = new BufferedImage(originalImage.getWidth(), originalImage.getHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = (Graphics2D) newImage.getGraphics();
    IntStream.range(0, 100).forEach(i -> {
        Random random = new Random();
        graphics.setColor(new Color(random.nextInt(255), random.nextInt(255), random.nextInt(255)));
        graphics.drawLine(random.nextInt(originalImage.getWidth()), random.nextInt(originalImage.getHeight()),
                random.nextInt(originalImage.getWidth()), random.nextInt(originalImage.getHeight()));
    });
    canvas.set(Tensor.fromRGB(newImage));
}

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From source file:Hexagon.java

public static File write(String fileName, Shape shape) throws IOException {
    Rectangle bounds = shape.getBounds();
    BufferedImage img = createImage(bounds.width, bounds.height);
    Graphics2D g2 = (Graphics2D) img.createGraphics();
    //g2.setColor(WebColor.CornSilk.getColor());
    g2.fill(shape);/*w  w  w . ja v  a  2s  .com*/
    g2.setColor(Color.black);
    g2.draw(shape);
    return write(fileName, img);
}

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From source file:com.aimluck.eip.fileupload.util.FileuploadUtils.java

/**
 * ???/*from w w w. jav a 2 s  . c om*/
 * 
 * @param imgfile
 * @param width
 * @param height
 * @return
 */
public static BufferedImage shrinkAndTrimImage(BufferedImage imgfile, int width, int height) {
    int iwidth = imgfile.getWidth();
    int iheight = imgfile.getHeight();
    double ratio = Math.max((double) width / (double) iwidth, (double) height / (double) iheight);

    int shrinkedWidth;
    int shrinkedHeight;

    if ((iwidth <= width) || (iheight < height)) {
        shrinkedWidth = iwidth;
        shrinkedHeight = iheight;
    } else {
        shrinkedWidth = (int) (iwidth * ratio);
        shrinkedHeight = (int) (iheight * ratio);
    }

    // ??
    Image targetImage = imgfile.getScaledInstance(shrinkedWidth, shrinkedHeight, Image.SCALE_AREA_AVERAGING);

    int w_size = targetImage.getWidth(null);
    int h_size = targetImage.getHeight(null);
    if (targetImage.getWidth(null) < width) {
        w_size = width;
    }
    if (targetImage.getHeight(null) < height) {
        h_size = height;
    }
    BufferedImage tmpImage = new BufferedImage(w_size, h_size, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = tmpImage.createGraphics();
    g.setBackground(Color.WHITE);
    g.setColor(Color.WHITE);
    // ??????????????
    g.fillRect(0, 0, w_size, h_size);
    int diff_w = 0;
    int diff_h = 0;
    if (width > shrinkedWidth) {
        diff_w = (width - shrinkedWidth) / 2;
    }
    if (height > shrinkedHeight) {
        diff_h = (height - shrinkedHeight) / 2;
    }
    g.drawImage(targetImage, diff_w, diff_h, null);

    int _iwidth = tmpImage.getWidth();
    int _iheight = tmpImage.getHeight();
    BufferedImage _tmpImage;
    if (_iwidth > _iheight) {
        int diff = _iwidth - width;
        _tmpImage = tmpImage.getSubimage(diff / 2, 0, width, height);
    } else {
        int diff = _iheight - height;
        _tmpImage = tmpImage.getSubimage(0, diff / 2, width, height);
    }
    return _tmpImage;
}

---

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

public static <S extends Shape> void plotLocal(Path inFile, Path outFile, S shape, int width, int height,
        Color color, boolean showBorders, boolean showBlockCount, boolean showRecordCount) throws IOException {
    FileSystem inFs = inFile.getFileSystem(new Configuration());
    Rectangle fileMbr = FileMBR.fileMBRLocal(inFs, inFile, shape);
    LOG.info("FileMBR: " + fileMbr);

    // Adjust width and height to maintain aspect ratio
    if ((fileMbr.x2 - fileMbr.x1) / (fileMbr.y2 - fileMbr.y1) > (double) width / height) {
        // Fix width and change height
        height = (int) ((fileMbr.y2 - fileMbr.y1) * width / (fileMbr.x2 - fileMbr.x1));
    } else {/*from w w  w .  j  ava  2s.c om*/
        width = (int) ((fileMbr.x2 - fileMbr.x1) * height / (fileMbr.y2 - fileMbr.y1));
    }

    double scale2 = (double) width * height / ((double) (fileMbr.x2 - fileMbr.x1) * (fileMbr.y2 - fileMbr.y1));

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

    long fileLength = inFs.getFileStatus(inFile).getLen();
    ShapeRecordReader<S> reader = new ShapeRecordReader<S>(inFs.open(inFile), 0, fileLength);

    Rectangle cell = reader.createKey();
    while (reader.next(cell, shape)) {
        drawShape(graphics, shape, fileMbr, width, height, scale2);
    }

    reader.close();
    graphics.dispose();
    FileSystem outFs = outFile.getFileSystem(new Configuration());
    OutputStream out = outFs.create(outFile, true);
    ImageIO.write(image, "png", out);
    out.close();
}

---

From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and pie chart from summary data
 * //from   w w w  .  ja v a 2 s. c o  m
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param values the values for the chart
 * @param freqs the corresponding frequencies
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedPieAndHistogramFromSummaryData(int width, int height,
        List<String> values, List<Double> freqs, List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=distribution");
    BufferedImage pie = renderPieChartFromSummaryData(width / 2, height, values, freqs, false, true, opts);

    opts.clear();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, values, freqs, opts);

    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    g2d.drawImage(pie, 0, 20, null);
    g2d.drawImage(hist, width / 2 + 1, 20, null);
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

---

From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and box plot chart from summary data
 * /*from ww w  . j  a  va  2 s .  c o m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param bins the values for the chart
 * @param freqs the corresponding frequencies
 * @param summary the summary stats for the box plot
 * @param outliers an optional list of outliers for the box plot
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedBoxPlotAndHistogramFromSummaryData(int width, int height,
        List<String> bins, List<Double> freqs, List<Double> summary, List<Double> outliers,
        List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, bins, freqs, opts);
    opts.clear();
    opts.add("-title=box plot");
    BufferedImage box = null;
    try {
        box = renderBoxPlotFromSummaryData(width / 2, height, summary, outliers, opts);
    } catch (Exception ex) {
        // if we can't generate the box plot (i.e. probably because
        // data is 100% missing) then just return the histogram
    }

    if (box == null) {
        width /= 2;
    }
    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    if (box != null) {
        g2d.drawImage(box, 0, 20, null);
        g2d.drawImage(hist, width / 2 + 1, 20, null);
    } else {
        g2d.drawImage(hist, 0, 20, null);
    }
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

---

From source file:com.sun.socialsite.util.ImageUtil.java

public static BufferedImage getScaledImage(BufferedImage origImage, Integer desiredWidth, Integer desiredHeight)
        throws IOException {

    if (origImage == null) {
        return null;
    }//from w w  w  . j  ava2s .  c om

    if (desiredWidth == null) {
        desiredWidth = origImage.getWidth();
    }

    if (desiredHeight == null) {
        desiredHeight = origImage.getHeight();
    }

    int origWidth = origImage.getWidth();
    int origHeight = origImage.getHeight();

    double ratio = Math.min((((double) desiredWidth) / origWidth), (((double) desiredHeight) / origHeight));

    int extraWidth = desiredWidth - ((int) (origWidth * ratio));
    int extraHeight = desiredHeight - ((int) (origHeight * ratio));

    int tmpWidth = (desiredWidth - extraWidth);
    int tmpHeight = (desiredHeight - extraHeight);
    BufferedImage tmpImage = getScaledInstance(origImage, tmpWidth, tmpHeight,
            RenderingHints.VALUE_INTERPOLATION_BICUBIC, true);

    log.debug(String.format("tmpImage[width=%d height=%d", tmpImage.getWidth(), tmpImage.getHeight()));

    if ((tmpImage.getWidth() == desiredWidth) && (tmpImage.getHeight() == desiredHeight)) {
        return tmpImage;
    } else {
        BufferedImage scaledImage = new BufferedImage(desiredWidth, desiredHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = scaledImage.createGraphics();
        g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);

        // We recalculate these in case scaling didn't quite hit its targets
        extraWidth = desiredWidth - tmpImage.getWidth();
        extraHeight = desiredHeight - tmpImage.getHeight();

        int dx1 = extraWidth / 2;
        int dy1 = extraHeight / 2;
        int dx2 = desiredWidth - dx1;
        int dy2 = desiredWidth - dy1;

        // transparent background
        g2d.setColor(new Color(0, 0, 0, 0));
        g2d.fillRect(0, 0, desiredWidth, desiredHeight);

        g2d.drawImage(tmpImage, dx1, dy1, dx2, dy2, null);
        return scaledImage;
    }
}

---

From source file:edu.umn.cs.spatialHadoop.nasa.MultiHDFPlot.java

/**
 * Draws a scale used with the heat map//w  w w .j a  v a2  s  .c  om
 * @param output
 * @param valueRange
 * @param width
 * @param height
 * @throws IOException
 */
private static void drawVerticalScale(Path output, double min, double max, int width, int height,
        OperationsParams params) throws IOException {
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = image.createGraphics();
    g.setBackground(Color.BLACK);
    g.clearRect(0, 0, width, height);

    // fix this part to work according to color1, color2 and gradient type
    HDFPlot.HDFRasterizer gradient = new HDFPlot.HDFRasterizer();
    gradient.configure(params);
    HDFRasterLayer gradientLayer = (HDFRasterLayer) gradient.createCanvas(0, 0, new Rectangle());
    for (int y = 0; y < height; y++) {
        Color color = gradientLayer.calculateColor(height - y, 0, height);
        g.setColor(color);
        g.drawRect(width * 3 / 4, y, width / 4, 1);
    }

    int fontSize = 24;
    g.setFont(new Font("Arial", Font.BOLD, fontSize));
    double step = (max - min) * fontSize * 5 / height;
    step = (int) (Math.pow(10.0, Math.round(Math.log10(step))));
    double min_value = Math.floor(min / step) * step;
    double max_value = Math.floor(max / step) * step;

    g.setColor(Color.WHITE);
    for (double value = min_value; value <= max_value; value += step) {
        double y = ((value - min) + (max - value) * (height - fontSize)) / (max - min);
        g.drawString(String.valueOf((int) value), 5, (int) y);
    }

    g.dispose();

    FileSystem fs = output.getFileSystem(new Configuration());
    FSDataOutputStream outStream = fs.create(output, true);
    ImageIO.write(image, "png", outStream);
    outStream.close();
}

---

From source file:edu.umn.cs.spatialHadoop.nasa.MultiHDFPlot.java

/**
 * Draws a scale used with the heat map//  w ww  . j a v a 2 s  .  c  om
 * @param output
 * @param valueRange
 * @param width
 * @param height
 * @throws IOException
 */
private static void drawHorizontalScale(Path output, double min, double max, int width, int height,
        OperationsParams params) throws IOException {
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = image.createGraphics();
    g.setBackground(Color.BLACK);
    g.clearRect(0, 0, width, height);

    int fontSize = 24;
    // fix this part to work according to color1, color2 and gradient type
    HDFPlot.HDFRasterizer gradient = new HDFPlot.HDFRasterizer();
    gradient.configure(params);
    HDFRasterLayer gradientLayer = (HDFRasterLayer) gradient.createCanvas(0, 0, new Rectangle());
    for (int x = 0; x < width; x++) {
        Color color = gradientLayer.calculateColor(x, 0, width);
        g.setColor(color);
        g.drawRect(x, height - (fontSize - 5), 1, fontSize - 5);
    }

    g.setFont(new Font("Arial", Font.BOLD, fontSize));
    double step = (max - min) * fontSize * 5 / width;
    step = (int) (Math.pow(10.0, Math.round(Math.log10(step))));
    double min_value = Math.floor(min / step) * step;
    double max_value = Math.floor(max / step) * step;

    g.setColor(Color.WHITE);
    for (double value = min_value; value <= max_value; value += step) {
        double x = ((value - min) * (width - fontSize) + (max - value)) / (max - min);
        g.drawString(String.valueOf((int) value), (int) x, fontSize);
    }

    g.dispose();

    FileSystem fs = output.getFileSystem(new Configuration());
    FSDataOutputStream outStream = fs.create(output, true);
    ImageIO.write(image, "png", outStream);
    outStream.close();
}

---

From source file:Rotate.java

public void paint(Graphics g) {
    super.paint(g);
    Graphics2D g2d = (Graphics2D) g;
    g2d.setColor(new Color(150, 150, 150));
    g2d.fillRect(20, 20, 80, 50);/*from  ww  w  . j a  va2 s  . com*/
    g2d.translate(180, -150);
    g2d.rotate(Math.PI / 4);
    g2d.fillRect(20, 20, 80, 50);
}

---

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