示例#1
0
  public ArrayList<BufferedImage> Split(BufferedImage orgBilde) throws IOException {

    ArrayList<BufferedImage> bilder = new ArrayList<>();

    int rader = 3;
    int kolonner = 2;
    int bildeBit = rader * kolonner;

    int splittetBredde = orgBilde.getWidth() / kolonner;
    int splittetHøyde = orgBilde.getHeight() / rader;
    int count = 0;
    BufferedImage imgs[] = new BufferedImage[bildeBit];
    for (int x = 0; x < rader; x++) {
      for (int y = 0; y < kolonner; y++) {
        imgs[count] = new BufferedImage(splittetBredde, splittetHøyde, orgBilde.getType());

        Graphics2D gr = imgs[count++].createGraphics();
        gr.drawImage(
            orgBilde,
            0,
            0,
            splittetBredde,
            splittetHøyde,
            splittetBredde * y,
            splittetHøyde * x,
            splittetBredde * y + splittetBredde,
            splittetHøyde * x + splittetHøyde,
            null);
        gr.dispose();
      }
    }
    bilder.addAll(Arrays.asList(imgs));
    return bilder;
  }
示例#2
0
  /**
   * Draws a double headed arrow with arrow heads of a given width and height.
   *
   * @param aG the canvas to draw on;
   * @param aX1 the starting X position of the arrow;
   * @param aY1 the starting Y position of the arrow;
   * @param aX2 the ending X position of the arrow;
   * @param aY2 the ending Y position of the arrow;
   * @param aArrowWidth the total width of the arrow head;
   * @param aArrowHeight the total height of the arrow head.
   */
  public static final void drawDoubleHeadedArrow(
      final Graphics aG,
      final int aX1,
      final int aY1,
      final int aX2,
      final int aY2,
      final int aArrowWidth,
      final int aArrowHeight) {
    final Graphics2D g2d = (Graphics2D) aG.create();

    final int lineWidth = Math.abs(aX2 - aX1);
    final int threshold = (2 * aArrowWidth) + 2;
    try {
      int x1 = aX1;
      int x2 = aX2;

      if (lineWidth > threshold) {
        drawArrowHead(g2d, aX1, aY1, LEFT_FACING, aArrowWidth, aArrowHeight);
        // why x2 needs to be shifted by one pixel is beyond me...
        drawArrowHead(g2d, aX2 + 1, aY2, RIGHT_FACING, aArrowWidth, aArrowHeight);

        x1 += aArrowWidth - 1;
        x2 -= aArrowWidth + 1;
      }

      g2d.drawLine(x1, aY1, x2, aY2);
    } finally {
      g2d.dispose();
    }
  }
示例#3
0
  @Override
  public BufferedImage makeIcon(
      final int width, final int height, final Path2D iconShape, final boolean allowAlpha) {
    final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g = result.createGraphics();

    g.setStroke(new BasicStroke(0.05f));

    final Color c;
    if (allowAlpha) {
      c =
          new Color(
              this.color.getRed(),
              this.color.getGreen(),
              this.color.getBlue(),
              this.color.getAlpha());
    } else {
      c = new Color(this.color.getRGB());
    }

    if (iconShape != null) {
      g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      g.setRenderingHint(
          RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
      g.setColor(c);
      final Shape path = makeTransformedPathForSize(width, height, iconShape);
      g.fill(path);
    } else {
      g.setColor(c);
      g.fillRect(0, 0, width, height);
    }
    g.dispose();
    return result;
  }
示例#4
0
  /**
   * Returns the specified image as icon.
   *
   * @param name name of icon
   * @return icon
   */
  public static ImageIcon icon(final String name) {
    ImageIcon ii = ICONS.get(name);
    if (ii != null) return ii;

    Image img;
    if (GUIConstants.scale > 1) {
      // choose large image or none
      final URL url =
          GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null;

      if (url == null) {
        // resize low-res image if no hi-res image exists
        img = get(url(name));
        final int w = (int) (img.getWidth(null) * GUIConstants.scale);
        final int h = (int) (img.getHeight(null) * GUIConstants.scale);
        final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
        final Graphics2D g2 = tmp.createGraphics();
        g2.setRenderingHint(
            RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g2.drawImage(img, 0, 0, w, h, null);
        g2.dispose();
        img = tmp;
      } else {
        img = get(url);
      }
    } else {
      img = get(name);
    }
    ii = new ImageIcon(img);
    ICONS.put(name, ii);
    return ii;
  }
示例#5
0
 public static BufferedImage convertToARGB(BufferedImage image) {
   BufferedImage newImage =
       new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);
   Graphics2D g = newImage.createGraphics();
   g.drawImage(image, 0, 0, null);
   g.dispose();
   return newImage;
 }
 public static BufferedImage resize(BufferedImage image, int width, int height) {
   BufferedImage bi = new BufferedImage(width, height, BufferedImage.TRANSLUCENT);
   Graphics2D g2d = (Graphics2D) bi.createGraphics();
   g2d.addRenderingHints(
       new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
   g2d.drawImage(image, 0, 0, width, height, null);
   g2d.dispose();
   return bi;
 }
示例#7
0
 @SuppressWarnings("unchecked")
 private <T> T scaleImageUsingGraphics2D(final BufferedImage bufferedImage, T target) {
   BufferedImage destinationImage = generateDestinationImage();
   Graphics2D graphics2D = destinationImage.createGraphics();
   graphics2D.addRenderingHints(retrieveRenderingHints());
   graphics2D.drawImage(bufferedImage, O_X, O_Y, getQualifiedWidth(), getQualifiedHeight(), null);
   graphics2D.dispose();
   target = (T) destinationImage;
   return target;
 }
示例#8
0
 public static BufferedImage cropImage(BufferedImage bi, int x, int y, int w, int h) {
   BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white);
   g2.fillRect(0, 0, w, h);
   g2.drawImage(bi, -x, -y, null); // this);
   g2.dispose();
   return image;
 }
示例#9
0
 public static BufferedImage scaleImage(BufferedImage bi, double scale) {
   int w1 = (int) (Math.round(scale * bi.getWidth()));
   int h1 = (int) (Math.round(scale * bi.getHeight()));
   BufferedImage image = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white);
   g2.fillRect(0, 0, w1, h1);
   g2.drawImage(bi, 0, 0, w1, h1, null); // this);
   g2.dispose();
   return image;
 }
示例#10
0
 public static BufferedImage rotateImage(BufferedImage bi) {
   int w = bi.getWidth();
   int h = bi.getHeight();
   BufferedImage image = new BufferedImage(h, w, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white); // getBackground());
   g2.fillRect(0, 0, h, w);
   g2.rotate(90 * Math.PI / 180);
   g2.drawImage(bi, 0, -h, w, h, null); // this);
   g2.dispose();
   return image;
 }
      public Example(BufferedImage image) {
        // copy image
        int width = image.getWidth();
        int height = image.getHeight();
        this.image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = this.image.createGraphics();
        g2.drawImage(image, 0, 0, null);
        g2.dispose();

        // create icon
        if (Math.max(width, height) > ICON_SIZE) {
          double scale = Math.min((double) ICON_SIZE / width, (double) ICON_SIZE / height);
          width *= scale;
          height *= scale;
        }
        BufferedImage buf = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        g2 = buf.createGraphics();
        g2.setRenderingHint(
            RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g2.drawImage(image, 0, 0, width, height, null);
        g2.dispose();
        this.icon = new ImageIcon(buf);
      }
示例#12
0
 /*
  *  Create a BufferedImage for Swing components.
  *  All or part of the component can be captured to an image.
  *
  *  @param	 component Swing component to create image from
  *  @param	 region The region of the component to be captured to an image
  *  @param	 fileName name of file to be created or null
  *  @return	image the image for the given region
  *  @exception IOException if an error occurs during writing
  */
 public static BufferedImage createImage(JComponent component, Rectangle region, String fileName)
     throws IOException {
   boolean opaqueValue = component.isOpaque();
   component.setOpaque(true);
   BufferedImage image =
       new BufferedImage(region.width, region.height, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2d = image.createGraphics();
   g2d.setClip(region);
   component.paint(g2d);
   g2d.dispose();
   component.setOpaque(opaqueValue);
   ScreenCapture.writeImage(image, fileName);
   return image;
 }
示例#13
0
 @Override
 public void prerasterizeIcon(final Shape shape) {
   final Rectangle r = shape.getBounds();
   final BufferedImage prerasterized =
       new BufferedImage(r.width, r.height, BufferedImage.TYPE_INT_ARGB);
   final Graphics2D g = prerasterized.createGraphics();
   g.setStroke(new BasicStroke(0.05f));
   g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   g.setRenderingHint(
       RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
   g.setColor(this.color);
   g.fill(shape);
   g.dispose();
   this.prerasterizedImage = prerasterized;
 }
示例#14
0
  /**
   * Writes this map to a JPG file.
   *
   * @param filename the path and name of the file to create.
   */
  public void writeToJPGFile(String filename) throws IOException {

    this.prepareToDraw();

    BufferedImage buffImage =
        new BufferedImage(p.getWidth(), p.getHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics2D = buffImage.createGraphics();
    try {
      p.draw(graphics2D);
      System.out.println("Writing picture to " + filename);
      ImageIO.write(buffImage, "JPG", new File(filename));
    } finally {
      graphics2D.dispose();
    }
  }
示例#15
0
  /**
   * Converts a given Image into a BufferedImage
   *
   * @param img The Image to be converted
   * @param type The color model of BufferedImage
   * @return The converted BufferedImage
   */
  public static BufferedImage toBufferedImage(Image img, int type) {
    if (img instanceof BufferedImage) {
      return (BufferedImage) img;
    }

    // Create a buffered image with transparency
    BufferedImage bimage = new BufferedImage(img.getWidth(null), img.getHeight(null), type);

    // Draw the image on to the buffered image
    Graphics2D bGr = bimage.createGraphics();
    bGr.drawImage(img, 0, 0, null);
    bGr.dispose();

    // Return the buffered image
    return bimage;
  }
 private BufferedImage createCustomImage() {
   BufferedImage image = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2d = image.createGraphics();
   int dx = image.getWidth() / SQUARES;
   int dy = image.getHeight() / SQUARES;
   for (int i = 0; i < SQUARES; ++i) {
     for (int j = 0; j < SQUARES; ++j) {
       g2d.setColor(new Color(rand.nextInt()));
       g2d.fillRect(i * dx, j * dy, dx, dy);
     }
   }
   g2d.setColor(Color.GREEN);
   g2d.drawRect(0, 0, image.getWidth() - 1, image.getHeight() - 1);
   g2d.dispose();
   return image;
 }
示例#17
0
  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2 = (Graphics2D) g.create();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.translate(x, y);

    g2.setStroke(new BasicStroke(BORDER_WIDTH));
    g2.setPaint(LINE_COLOR);
    g2.draw(BORDER);

    g2.setStroke(new BasicStroke(SLIT_WIDTH));
    g2.setColor(UIManager.getColor("Panel.background"));

    int n = SLIT_NUM + 1;
    int v = ICON_SIZE / n;
    int m = n * v;
    for (int i = 1; i < n; i++) {
      int a = i * v;
      g2.drawLine(a, 0, a, m);
      g2.drawLine(0, a, m, a);
    }

    // g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v);
    // g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v);
    // g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v);
    // g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v);
    // g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v);
    // g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v);

    g2.setPaint(LINE_COLOR);
    Rectangle2D b = ARROW.getBounds();
    Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d);
    AffineTransform toCenterAT =
        AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY());
    g2.fill(toCenterAT.createTransformedShape(ARROW));
    g2.dispose();
  }
示例#18
0
 /** [Advanced] */
 public void dispose() {
   Graphics2D g = getG();
   if (g != null) g.dispose();
 }
示例#19
0
  private void process() {
    int width = Integer.parseInt(xres.getText());
    int height = Integer.parseInt(yres.getText());
    boolean preserveAspect = aspect.isSelected();
    Color bg = new Color(red.getValue(), green.getValue(), blue.getValue());

    String outDir = output.getText();
    String suffix = ((String) format.getSelectedItem()).toLowerCase();
    String preText = prepend.getText();
    String appText = append.getText();

    int scaleType = -1;
    String alg = (String) algorithm.getSelectedItem();
    if (alg.equals("Smooth")) scaleType = Image.SCALE_SMOOTH;
    else if (alg.equals("Standard")) scaleType = Image.SCALE_DEFAULT;
    else if (alg.equals("Fast")) scaleType = Image.SCALE_FAST;
    else if (alg.equals("Replicate")) scaleType = Image.SCALE_REPLICATE;
    else if (alg.equals("Area averaging")) {
      scaleType = Image.SCALE_AREA_AVERAGING;
    }

    DefaultListModel model = (DefaultListModel) list.getModel();
    int size = model.size();
    progress.setValue(0);
    progress.setMaximum(4 * size);

    for (int i = 0; i < size; i++) {
      ThumbFile tf = (ThumbFile) model.elementAt(i);
      list.setSelectedValue(tf, true);
      String tail = " (" + (i + 1) + " of " + size + ")";

      progress.setValue(4 * i);
      progress.setString("Reading" + tail);

      // construct input and output filenames
      String inFile = tf.getPath();
      String outFile = outDir + SLASH + tf.getName();
      int ndx = outFile.lastIndexOf(SLASH);
      String s1 = outFile.substring(0, ndx + SLASH.length());
      String s2 = outFile.substring(ndx + SLASH.length());
      int dot_ndx = s2.lastIndexOf(".");
      if (dot_ndx >= 0) s2 = s2.substring(0, dot_ndx);

      // make the thumbnail file name
      outFile = s1 + preText + s2 + appText + "." + suffix;

      // read in the file to an image
      BufferedImage image = null;
      try {
        image = ImageIO.read(new File(inFile));
      } catch (IOException exc) {
        exc.printStackTrace();
      }

      progress.setValue(4 * i + 1);
      progress.setString("Resizing" + tail);

      // resize image
      int w, h;
      if (preserveAspect) {
        int ow = image.getWidth();
        int oh = image.getHeight();
        double oasp = (double) ow / oh;
        double tasp = (double) width / height;
        if (oasp > tasp) {
          w = width;
          h = (int) (w / oasp);
        } else {
          h = height;
          w = (int) (oasp * h);
        }
      } else {
        w = width;
        h = height;
      }
      Image resized = image.getScaledInstance(w, h, scaleType);

      progress.setValue(4 * i + 2);
      progress.setString("Painting" + tail);

      // create thumbnail
      BufferedImage thumb = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
      Graphics2D g2d = thumb.createGraphics();
      g2d.setColor(bg);
      g2d.fillRect(0, 0, width, height);
      g2d.drawImage(resized, (width - w) / 2, (height - h) / 2, this);
      g2d.dispose();

      progress.setValue(4 * i + 3);
      progress.setString("Writing" + tail);

      // save thumbnail to disk
      File out = new File(outFile);
      File parent = out.getParentFile();
      if (parent != null && !parent.exists()) parent.mkdirs();
      try {
        ImageIO.write(thumb, suffix, out);
      } catch (IOException exc) {
        exc.printStackTrace();
      }
    }

    list.setSelectedIndices(new int[0]);
    progress.setValue(4 * size);
    progress.setString("Complete");
  }
示例#20
0
  /**
   * Creates new frame image from current data (and previous frames as specified by their
   * disposition codes).
   */
  protected void setPixels() {
    // expose destination image's pixels as int array
    int[] dest = ((DataBufferInt) image.getRaster().getDataBuffer()).getData();

    // fill in starting image contents based on last image's dispose code
    if (lastDispose > 0) {
      if (lastDispose == 3) {
        // use image before last
        int n = frameCount - 2;
        if (n > 0) {
          lastImage = getFrame(n - 1);
        } else {
          lastImage = null;
        }
      }

      if (lastImage != null) {
        int[] prev = ((DataBufferInt) lastImage.getRaster().getDataBuffer()).getData();
        System.arraycopy(prev, 0, dest, 0, width * height);
        // copy pixels

        if (lastDispose == 2) {
          // fill last image rect area with background color
          Graphics2D g = image.createGraphics();
          Color c = null;
          if (transparency) {
            c = new Color(0, 0, 0, 0); // assume background is transparent

          } else {
            c = new Color(lastBgColor); // use given background color
          }
          g.setColor(c);
          g.setComposite(AlphaComposite.Src); // replace area

          g.fill(lastRect);
          g.dispose();
        }
      }
    }

    // copy each source line to the appropriate place in the destination
    int pass = 1;
    int inc = 8;
    int iline = 0;
    for (int i = 0; i < ih; i++) {
      int line = i;
      if (interlace) {
        if (iline >= ih) {
          pass++;
          switch (pass) {
            case 2:
              iline = 4;
              break;
            case 3:
              iline = 2;
              inc = 4;
              break;
            case 4:
              iline = 1;
              inc = 2;
          }
        }
        line = iline;
        iline += inc;
      }
      line += iy;
      if (line < height) {
        int k = line * width;
        int dx = k + ix; // start of line in dest

        int dlim = dx + iw; // end of dest line

        if ((k + width) < dlim) {
          dlim = k + width; // past dest edge
        }
        int sx = i * iw; // start of line in source

        while (dx < dlim) {
          // map color and insert in destination
          int index = ((int) pixels[sx++]) & 0xff;
          int c = act[index];
          if (c != 0) {
            dest[dx] = c;
          }
          dx++;
        }
      }
    }
  }