Esempio n. 1
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 // initialize default image
 private BufferedImage getDefaultImage(int w, int h) {
   BufferedImage defaultImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
   Graphics2D graphics2D = defaultImage.createGraphics();
   graphics2D.setColor(new Color(200, 200, 200));
   graphics2D.fillRect(0, 0, w, h);
   graphics2D.setColor(new Color(130, 130, 130));
   graphics2D.drawRect(0, 0, w - 1, h - 1);
   return defaultImage;
 }
Esempio n. 2
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  private static int[] makeGradientPallet() {
    BufferedImage image = new BufferedImage(100, 1, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    Point2D start = new Point2D.Float(0f, 0f);
    Point2D end = new Point2D.Float(99f, 0f);
    float[] dist = {0f, .5f, 1f};
    Color[] colors = {Color.RED, Color.YELLOW, Color.GREEN};
    g2.setPaint(new LinearGradientPaint(start, end, dist, colors));
    g2.fillRect(0, 0, 100, 1);
    g2.dispose();

    int width = image.getWidth(null);
    int[] pallet = new int[width];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, 1, pallet, 0, width);
    try {
      pg.grabPixels();
    } catch (InterruptedException ex) {
      ex.printStackTrace();
    }
    return pallet;
  }
Esempio n. 3
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  private BufferedImage getSpecificImage(
      int x,
      int y,
      int w,
      int h,
      int imgIndexX,
      int imgIndexY,
      BufferedImage buffImg,
      int zoom,
      int cachedZoom,
      GMapListener listener,
      boolean localFilesOnly) {

    int xIndex = x / GDataSource.sourceSize.width;
    int yIndex = y / GDataSource.sourceSize.height;

    xIndex += imgIndexX;
    yIndex += imgIndexY;

    BufferedImage image = null;
    if (!localFilesOnly || getGDataSource().isCached(xIndex, yIndex, zoom))
      image = getIndexedImage(xIndex, yIndex, zoom, cachedZoom, listener);

    int xCoord = x % GDataSource.sourceSize.width;
    int yCoord = y % GDataSource.sourceSize.height;

    // Checks for invalid xCoord and yCoord
    if (xCoord < 0) {
      xCoord = 0;
    }
    if (yCoord < 0) {
      yCoord = 0;
    }

    // get info about the image
    Dimension imageSize =
        new Dimension(getGDataSource().sourceSize.width, getGDataSource().sourceSize.height);

    // find the width of what we CAN paint
    int initPaintWidth = imageSize.width - xCoord;
    int initPaintHeight = imageSize.height - yCoord;

    int paintWidth = initPaintWidth;
    int paintHeight = initPaintHeight;

    int rowImages = numOfRows(x, y, h, zoom, cachedZoom);
    int colImages = numOfCols(x, y, w, zoom, cachedZoom);

    if (imgIndexX >= colImages || imgIndexY >= rowImages) {
      return null;
    }

    int xImage = 0;
    int yImage = 0;

    int xInitCoord = xCoord;
    int yInitCoord = yCoord;

    if (imgIndexX > 0) {
      xImage = initPaintWidth + (imgIndexX - 1) * imageSize.width;
      xCoord = 0;
      if (imgIndexX < (colImages - 1)) {
        paintWidth = imageSize.width;
      } else {
        paintWidth = w - ((colImages - 2) * imageSize.width) - (imageSize.width - xInitCoord);
      }
    }
    if (imgIndexY > 0) {
      yImage = initPaintHeight + (imgIndexY - 1) * imageSize.height;
      yCoord = 0;
      if (imgIndexY < (rowImages - 1)) {
        paintHeight = imageSize.height;
      } else {
        paintHeight = h - ((rowImages - 2) * imageSize.height) - (imageSize.height - yInitCoord);
      }
    }

    if (buffImg != null) {
      Graphics2D g = (Graphics2D) buffImg.getGraphics();
      if (image != null) {
        // System.out.println(xCoord + ":" + yCoord + ":" + paintWidth + ":" + paintHeight);
        g.drawImage(
            image.getSubimage(xCoord, yCoord, paintWidth, paintHeight),
            xImage,
            yImage,
            paintWidth,
            paintHeight,
            null);
      } else {
        Composite originalComposite = g.getComposite();
        g.setComposite(opacity40);
        g.setColor(Color.BLACK);
        g.fillRect(xImage, yImage, paintWidth, paintHeight);
        g.setComposite(originalComposite);
      }
    }

    return buffImg;
  }
Esempio n. 4
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  /** Get an image based on index numbers */
  public BufferedImage getIndexedImage(
      int x, int y, int zoom, int cacheZoom, GMapListener listener) {

    if (listener != null) {
      if (!getGDataSource().isCached(x, y, zoom)) {
        listener.updateGMapPainting();
        listener.updateGMapMessage(GMap.MESSAGE_DOWNLOADING);
      } else {
        listener.updateGMapMessage(GMap.MESSAGE_PAINTING);
      }
    }

    BufferedImage thumbImage = getGDataSource().getImage(x, y, zoom, true);

    if (thumbImage == null) return defaultImage;

    // if we dont have to paint cache, return here
    if (cacheZoom == (GPhysicalPoint.MIN_ZOOM - 1) || cacheZoom >= zoom) return thumbImage;

    BufferedImage paintedImage =
        new BufferedImage(
            GDataSource.sourceSize.width,
            GDataSource.sourceSize.height,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics2D = paintedImage.createGraphics();
    graphics2D.drawImage(
        thumbImage, 0, 0, GDataSource.sourceSize.width, GDataSource.sourceSize.height, null);

    // now lets move to painting the cache
    double imageNum = Math.pow(2, zoom - cacheZoom);

    // draw cache lines
    int startX = (int) (imageNum * x);
    int startY = (int) (imageNum * y);

    // get composite to restore later, set new transparent composite
    Composite originalComposite = graphics2D.getComposite();
    graphics2D.setComposite(opacity40);

    // draw grid
    for (int i = 0; i < imageNum; i++) {
      for (int j = 0; j < imageNum; j++) {
        // points
        Point upperLeft =
            new Point(
                (int) (GDataSource.sourceSize.width / imageNum) * i,
                (int) (GDataSource.sourceSize.height / imageNum) * j);
        Dimension size =
            new Dimension(
                (int) (GDataSource.sourceSize.width / imageNum),
                (int) (GDataSource.sourceSize.height / imageNum));

        // draw lines
        graphics2D.setColor(new Color(100, 100, 100));
        graphics2D.drawLine(upperLeft.x, upperLeft.y, upperLeft.x + size.width, upperLeft.y);
        graphics2D.drawLine(upperLeft.x, upperLeft.y, upperLeft.x, upperLeft.y + size.height);

        // check if file exists
        if (getGDataSource().isCached(startX + i, startY + j, cacheZoom))
          graphics2D.setColor(Color.RED);
        else graphics2D.setColor(new Color(155, 155, 155));

        // shade rectangle
        graphics2D.fillRect(upperLeft.x, upperLeft.y, size.width, size.height);
      }
    }

    // restore composite
    graphics2D.setComposite(originalComposite);

    return paintedImage;
  }
Esempio n. 5
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  private void _displayImgInFrame() {

    final JFrame frame = new JFrame("Google Static Map");
    GUIUtils.setAppIcon(frame, "71.png");
    // frame.setDefaultCloseOperation(DISPOSE_ON_CLOSE);

    JLabel imgLbl = new JLabel(new ImageIcon(_img));
    imgLbl.setToolTipText(
        MessageFormat.format(
            "<html>Image downloaded from URI<br>size: w={0}, h={1}</html>",
            _img.getWidth(), _img.getHeight()));

    GUIUtils.centerOnScreen(frame);
    frame.setVisible(true);
    frame.setContentPane(imgLbl);
    frame.pack();
    frame.setResizable(false);

    imgLbl.addMouseListener(
        new MouseListener() {
          public void mouseClicked(MouseEvent e) {}

          public void mousePressed(MouseEvent e) {

            System.out.println("Mouse Listener:  Mouse Clicked!");
            mapIsUp = 1;
            sentX = 0.00;
            clickX = e.getX(); // Latitude
            clickY = e.getY(); // Longitude
            if ((clickX < (_img.getWidth() / 2))
                && (clickY < (_img.getHeight() / 2))) { // 1st quadrant positive values
              sentX =
                  Double.parseDouble(ttfLati.getText())
                      + (((-1 * (_img.getWidth() / 2)) + clickX) * pixelX); // Add to latitude
              sentY =
                  Double.parseDouble(ttfLongi.getText())
                      + (((_img.getHeight() / 2) - clickY) * pixelY); // Add to Longitude
              System.out.println("Top left");
            } else if ((clickX > (_img.getWidth() / 2))
                && (clickY > (_img.getHeight() / 2))) { // 2nd quadrant negative values
              sentX =
                  Double.parseDouble(ttfLati.getText())
                      + (((-1 * (_img.getHeight() / 2)) + clickX) * pixelX);
              sentY =
                  Double.parseDouble(ttfLongi.getText())
                      + (((_img.getHeight() / 2) - clickY) * pixelY);
              System.out.println("Bottom Right");
            } else if ((clickX < (_img.getWidth() / 2))
                && (clickY > (_img.getHeight() / 2))) { // 3rd quadrant 1 positive 1 negative
              sentX =
                  Double.parseDouble(ttfLati.getText())
                      + (((-1 * (_img.getWidth() / 2)) + clickX) * pixelX);
              sentY =
                  Double.parseDouble(ttfLongi.getText())
                      + (((_img.getHeight() / 2) - clickY) * pixelY);
              System.out.println("Bottom Left");
            } else { // 3rd quadrant 1 positive 1 negative
              sentX =
                  Double.parseDouble(ttfLati.getText())
                      + (((-1 * (_img.getHeight() / 2)) + clickX) * pixelX);
              sentY =
                  Double.parseDouble(ttfLongi.getText())
                      + (((_img.getHeight() / 2) - clickY) * pixelY);
              System.out.println("Top Right");
            }

            BigDecimal toCoordsX = new BigDecimal(sentX);
            BigDecimal toCoordsY = new BigDecimal(sentY);

            sentX =
                (toCoordsX.setScale(6, BigDecimal.ROUND_HALF_UP))
                    .doubleValue(); // allows values of up to 6 decimal places
            sentY = (toCoordsY.setScale(6, BigDecimal.ROUND_HALF_UP)).doubleValue();
            getCoords = sentX + " " + sentY;
            ttfLati.setText(Double.toString(sentX));
            ttfLongi.setText(Double.toString(sentY));

            System.out.println("... saving Coordinates");
            saveLocation(
                getCoords); // pass getCoords through saveLocation. this string is appended to the
                            // savedLocations file.
            System.out.println("... savedCoordinates");

            // Update the Locations ComboBox with new additions
            ttfSave.removeAllItems(); // re-populate the ComboBox
            System.out.println("removed items");

            getSavedLocations(); // run through file to get all locations
            for (int i = 0; i < loc.size(); i++) ttfSave.addItem(loc.get(i));
            System.out.println("update combobox");
            mapIsUp = 0;
            frame.dispose(); // closes window
            startTaskAction(); // pops up a new window
          }

          public void saveLocation(String xy) {
            BufferedWriter f = null; // created a bufferedWriter object

            try {
              f =
                  new BufferedWriter(
                      new FileWriter(
                          "savedLocations.txt",
                          true)); // evaluated true if file has not been created yet
              f.write(xy); // append passed coordinates and append to file if exists
              f.newLine();
              f.flush();
            } catch (IOException ioe) {
              ioe.printStackTrace();
            } finally { // close the file
              if (f != null) {

                try {
                  f.close();
                } catch (IOException e) { // any error, catch exception
                  System.err.println("Error: " + e.getMessage());
                }
              }
            }
          }

          public void mouseReleased(MouseEvent e) {}

          public void mouseEntered(MouseEvent e) {}

          public void mouseExited(MouseEvent e) {}
        });
  }