Example usage for java.awt Graphics2D dispose

Introduction

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

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

From source file:com.frostwire.gui.library.LibraryCoverArt.java

private void setPrivateImage(Image image) {
    coverArtImage = image;// ww  w .  j a  v  a2s .  co  m

    if (coverArtImage == null) {
        coverArtImage = defaultCoverArt;
    }

    Graphics2D g2 = background.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);

    g2.setBackground(new Color(255, 255, 255, 0));
    g2.clearRect(0, 0, getWidth(), getHeight());

    g2.drawImage(coverArtImage, 0, 0, getWidth(), getHeight(), null);
    g2.dispose();

    repaint();
    getToolkit().sync();
}

---

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g.create();

    g2d.setColor(Color.RED);//from   ww w . j  av a  2  s  . co m
    g2d.drawLine(getWidth() / 2, 0, getWidth() / 2, getHeight());
    g2d.drawLine(0, getHeight() / 2, getWidth(), getHeight() / 2);

    Font font = new Font("Arial", Font.BOLD, 48);
    g2d.setFont(font);
    FontMetrics fm = g2d.getFontMetrics();
    int x = ((getWidth() - fm.stringWidth(text)) / 2);
    int y = ((getHeight() - fm.getHeight()) / 2) + fm.getAscent();

    g2d.setColor(Color.BLACK);
    g2d.drawString(text, x, y);

    g2d.dispose();
}

---

From source file:LineGraphDrawable.java

/**
 * Draws the bar-graph into the given Graphics2D context in the given area.
 * This method will not draw a graph if the data given is null or empty.
 * /*from w w w. j a v  a2  s  . c  o  m*/
 * @param graphics
 *          the graphics context on which the bargraph should be rendered.
 * @param drawArea
 *          the area on which the bargraph should be drawn.
 */
public void draw(final Graphics2D graphics, final Rectangle2D drawArea) {
    if (graphics == null) {
        throw new NullPointerException();
    }
    if (drawArea == null) {
        throw new NullPointerException();
    }

    final int height = (int) drawArea.getHeight();
    if (height <= 0) {
        return;
    }

    final Graphics2D g2 = (Graphics2D) graphics.create();
    if (background != null) {
        g2.setPaint(background);
        g2.draw(drawArea);
    }

    if (data == null || data.length == 0) {
        g2.dispose();
        return;
    }

    g2.translate(drawArea.getX(), drawArea.getY());

    float d = getDivisor(data, height);
    final int spacing = getSpacing();
    final int w = (((int) drawArea.getWidth()) - (spacing * (data.length - 1))) / (data.length - 1);

    float min = Float.MAX_VALUE;
    for (int index = 0; index < data.length; index++) {
        Number i = data[index];
        if (i == null) {
            continue;
        }
        final float value = i.floatValue();
        if (value < min) {
            min = value;
        }
    }

    int x = 0;
    int y = -1;

    if (d == 0.0) {
        // special case -- a horizontal straight line
        d = 1.0f;
        y = -height / 2;
    }

    final Line2D.Double line = new Line2D.Double();
    for (int i = 0; i < data.length - 1; i++) {
        final int px1 = x;
        x += (w + spacing);
        final int px2 = x;

        g2.setPaint(color);

        final Number number = data[i];
        final Number nextNumber = data[i + 1];
        if (number == null && nextNumber == null) {
            final float delta = height - ((0 - min) / d);
            line.setLine(px1, y + delta, px2, y + delta);
        } else if (number == null) {
            line.setLine(px1, y + (height - ((0 - min) / d)), px2,
                    y + (height - ((nextNumber.floatValue() - min) / d)));
        } else if (nextNumber == null) {
            line.setLine(px1, y + (height - ((number.floatValue() - min) / d)), px2,
                    y + (height - ((0 - min) / d)));
        } else {
            line.setLine(px1, y + (height - ((number.floatValue() - min) / d)), px2,
                    y + (height - ((nextNumber.floatValue() - min) / d)));
        }
        g2.draw(line);

    }

    g2.dispose();

}

---

From source file:com.igormaznitsa.jhexed.values.HexSVGImageValue.java

@Override
public BufferedImage makeIcon(final int width, final int height, final Path2D shape, final boolean allowAlpha) {
    try {//w  w w  .  j  ava 2  s  .c om
        final BufferedImage img = this.image.rasterize(width, height, BufferedImage.TYPE_INT_ARGB);
        if (shape == null) {
            return img;
        } else {
            final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
            final Graphics2D g = result.createGraphics();
            g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                    RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
            g.setClip(makeTransformedPathForSize(width, height, shape));
            g.drawImage(img, 0, 0, null);
            g.dispose();
            return result;
        }

    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

---

From source file:de.inren.service.picture.PictureModificationServiceImpl.java

private BufferedImage scaleImage(File orginal, final int max) throws IOException {
    // Load the image.
    BufferedImage originalImage = ImageIO.read(orginal);

    // Figure out the new dimensions.
    final int w = originalImage.getWidth();
    final int h = originalImage.getHeight();
    final double maxOriginal = Math.max(w, h);
    final double scaling = max / maxOriginal;

    final int newW = (int) Math.round(scaling * w);
    final int newH = (int) Math.round(scaling * h);

    // If we need to scale down by more than 2x, scale to double the
    // eventual size and then scale again. This provides much higher
    // quality results.
    if (scaling < 0.5f) {
        final BufferedImage newImg = new BufferedImage(newW * 2, newH * 2, BufferedImage.TYPE_INT_RGB);
        final Graphics2D gfx = newImg.createGraphics();
        gfx.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        gfx.drawImage(originalImage, 0, 0, newW * 2, newH * 2, null);
        gfx.dispose();
        newImg.flush();/*from w  ww  .  j  av  a 2 s .  c o m*/
        originalImage = newImg;
    }

    // Scale it.
    BufferedImage newImg = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_RGB);
    final Graphics2D gfx = newImg.createGraphics();
    gfx.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    gfx.drawImage(originalImage, 0, 0, newW, newH, null);
    gfx.dispose();
    newImg.flush();
    originalImage.flush();

    return newImg;
}

---

From source file:eu.udig.style.advanced.utils.Utilities.java

/**
 * Creates an {@link Image} for the given rule.
 * //from  w w w .  ja  v  a 2  s.c  o  m
 * @param rule the rule for which to create the image.
 * @param width the image width.
 * @param height the image height.
 * @return the generated image.
 */
public static BufferedImage polygonRuleToImage(final Rule rule, int width, int height) {
    DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor();
    rule.accept(copyStyle);
    Rule newRule = (Rule) copyStyle.getCopy();

    Stroke stroke = null;
    Symbolizer[] symbolizers = newRule.getSymbolizers();
    if (symbolizers.length > 0) {
        Symbolizer symbolizer = symbolizers[0];
        if (symbolizer instanceof PolygonSymbolizer) {
            PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) symbolizer;
            stroke = SLDs.stroke(polygonSymbolizer);
        }
    }
    int strokeSize = 0;
    if (stroke != null) {
        strokeSize = SLDs.width(stroke);
        if (strokeSize < 0) {
            strokeSize = 0;
            stroke.setWidth(ff.literal(strokeSize));
        }
    }

    // pointSize = width;
    BufferedImage finalImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    // Polygon polygon = d.polygon(new int[]{40,30, 60,70, 30,130, 130,130, 130,30});

    int[] xy = new int[] { (int) (height * 0.15), (int) (width * 0.20), (int) (height * 0.4),
            (int) (width * 0.3), (int) (height * 0.85), (int) (width * 0.15), (int) (height * 0.85),
            (int) (width * 0.85), (int) (height * 0.15), (int) (width * 0.85) };
    Polygon polygon = d.polygon(xy);
    d.drawDirect(finalImage, d.feature(polygon), newRule);
    Graphics2D g2d = finalImage.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.drawImage(finalImage, 0, 0, null);
    g2d.dispose();

    return finalImage;
}

---

From source file:eu.udig.style.advanced.utils.Utilities.java

/**
 * Creates an {@link Image} for the given rule.
 * //from w w w.jav  a2s. c om
 * @param rule the rule for which to create the image.
 * @param width the image width.
 * @param height the image height.
 * @return the generated image.
 */
public static BufferedImage lineRuleToImage(final Rule rule, int width, int height) {
    DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor();
    rule.accept(copyStyle);
    Rule newRule = (Rule) copyStyle.getCopy();

    Stroke stroke = null;
    Symbolizer[] symbolizers = newRule.getSymbolizers();
    if (symbolizers.length > 0) {
        Symbolizer symbolizer = newRule.getSymbolizers()[0];
        if (symbolizer instanceof LineSymbolizer) {
            LineSymbolizer lineSymbolizer = (LineSymbolizer) symbolizer;
            stroke = SLDs.stroke(lineSymbolizer);
        }
    }

    int strokeSize = 0;
    if (stroke != null) {
        strokeSize = SLDs.width(stroke);
        if (strokeSize < 0) {
            strokeSize = 0;
            stroke.setWidth(ff.literal(strokeSize));
        }
    }

    // pointSize = width;
    BufferedImage finalImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    // Polygon polygon = d.polygon(new int[]{40,30, 60,70, 30,130, 130,130, 130,30});

    int[] xy = new int[] { (int) (height * 0.15), (int) (width * 0.85), (int) (height * 0.35),
            (int) (width * 0.15), (int) (height * 0.75), (int) (width * 0.85), (int) (height * 0.85),
            (int) (width * 0.15) };
    LineString line = d.line(xy);
    d.drawDirect(finalImage, d.feature(line), newRule);
    Graphics2D g2d = finalImage.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.drawImage(finalImage, 0, 0, null);
    g2d.dispose();

    return finalImage;
}

---

From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img/*ww  w .ja  v a 2s.  c  o  m*/
 * @param destFile
 * @param sharpen
 * @param sharpenLevel
 * @throws IOException
 */
public static void writePng(Image img, String destFile, boolean sharpen, float sharpenLevel)
        throws IOException {
    sharpenMatrix = calculeSharpenMatrix(sharpenLevel);
    BufferedImage imageRGBSharpen = null;
    IIOImage iioImage = null;
    BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image.
    BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.BITMASK);
    Graphics2D graphics = imageRGB.createGraphics();
    graphics.drawImage(image, 0, 0, null);
    if (sharpen) {
        imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
        Kernel kernel = new Kernel(3, 3, sharpenMatrix);
        ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
        cop.filter(imageRGB, imageRGBSharpen);
    }
    ImageWriter writer = null;
    FileImageOutputStream output = null;
    try {
        writer = ImageIO.getImageWritersByFormatName("png").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        output = new FileImageOutputStream(new File(destFile));
        writer.setOutput(output);
        if (sharpen) {
            iioImage = new IIOImage(imageRGBSharpen, null, null);
        } else {
            iioImage = new IIOImage(imageRGB, null, null);
        }
        writer.write(null, iioImage, param);
    } catch (IOException ex) {
        throw ex;
    } finally {
        if (writer != null) {
            writer.dispose();
        }
        if (output != null) {
            output.close();
        }
    }
    graphics.dispose();
}

---

From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img/*  www .  jav  a  2 s .c om*/
 * @param destFile
 * @param sharpen
 * @param sharpenLevel
 * @throws IOException
 */
public static void writeBMP(Image img, String destFile, boolean sharpen, float sharpenLevel)
        throws IOException {
    sharpenMatrix = calculeSharpenMatrix(sharpenLevel);
    BufferedImage imageRGBSharpen = null;
    IIOImage iioImage = null;

    BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image.
    BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.OPAQUE); // Remove alpha-channel from buffered image.

    Graphics2D graphics = imageRGB.createGraphics();
    graphics.drawImage(image, 0, 0, null);
    if (sharpen) {

        imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
        Kernel kernel = new Kernel(3, 3, sharpenMatrix);
        ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
        cop.filter(imageRGB, imageRGBSharpen);
    }
    ImageWriter writer = null;
    FileImageOutputStream output = null;
    try {
        writer = ImageIO.getImageWritersByFormatName("bmp").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        output = new FileImageOutputStream(new File(destFile));
        writer.setOutput(output);
        if (sharpen) {
            iioImage = new IIOImage(imageRGBSharpen, null, null);
        } else {
            iioImage = new IIOImage(imageRGB, null, null);
        }
        writer.write(null, iioImage, param);
    } catch (IOException ex) {
        throw ex;
    } finally {
        if (writer != null) {
            writer.dispose();
        }
        if (output != null) {
            output.close();
        }
    }
    graphics.dispose();
}

---

From source file:TexturedPanel.java

/**
 * Creates a new TexturePaint using the provided colors.
 *///  www .  j ava  2s.  c  om
private void setupDefaultPainter(Color foreground, Color background) {
    if (foreground == null || background == null) {
        ourPainter = null;
        return;
    }

    BufferedImage buff = new BufferedImage(6, 6, BufferedImage.TYPE_INT_ARGB_PRE);

    Graphics2D g2 = buff.createGraphics();

    g2.setColor(background);
    g2.fillRect(0, 0, 6, 6);

    g2.setColor(foreground);
    g2.drawLine(0, 2, 6, 2);
    g2.drawLine(0, 5, 6, 5);

    ourPainter = new TexturePaint(buff, new Rectangle(0, 0, 6, 6));

    g2.dispose();
}

---

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