Example usage for java.awt.image BufferedImage getGraphics

Introduction

In this page you can find the example usage for java.awt.image BufferedImage getGraphics.

Prototype

public java.awt.Graphics getGraphics()

Source Link

Document

This method returns a Graphics2D , but is here for backwards compatibility.

Usage

From source file:Main.java

public static Cursor buildCursorByTrimming(Toolkit toolkit, Image image, int x, int y, String name,
        Cursor defaultCursor) {//from   w w w. j a  va2 s  .co  m
    Dimension d = toolkit.getBestCursorSize(image.getWidth(null), image.getHeight(null));
    if (d == null || d.getWidth() <= 0 || d.getHeight() <= 0)
        return defaultCursor;
    BufferedImage out = new BufferedImage((int) d.getWidth(), (int) d.getHeight(), BufferedImage.TYPE_INT_ARGB);
    out.getGraphics().drawImage(image, 0, 0, null);
    return toolkit.createCustomCursor(out, new Point(x, y), name);
}

From source file:Util.java

/**
 * Converts an Image to a BufferedImage//w w w .  j a  va2 s. com
 */
public static BufferedImage convertToBufferedImg(Image im) {
    BufferedImage bi = new BufferedImage(im.getWidth(null), im.getHeight(null), BufferedImage.TYPE_INT_ARGB);
    Graphics bg = bi.getGraphics();
    bg.drawImage(im, 0, 0, null);
    bg.dispose();
    return bi;
}

From source file:Main.java

/**
 * Creates a nifty looking inner shadow for the window.
 * @param width The width of the shadow.
 * @param height The height of the shadow.
 * @return The translucent shadow that was created.
 *//*  w w  w . j a  v  a2s .c  om*/
public static BufferedImage genInnerShadow(int width, int height) {
    BufferedImage shadowOuter = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics g = shadowOuter.getGraphics();
    Graphics2D g2 = (Graphics2D) g;
    Point2D center = new Point2D.Float(width / 2, height / 2);
    float radius = width;
    Point2D focus = new Point2D.Float(width / 2, height / 2);
    float[] dist = { 0.0f, 1.0f };
    Color[] colors = { new Color(0, 0, 0, 0), new Color(0, 0, 0, 220) };
    RadialGradientPaint p = new RadialGradientPaint(center, radius, focus, dist, colors, CycleMethod.NO_CYCLE);
    g2.setPaint(p);
    g2.fillRect(0, 0, width, height);
    return shadowOuter;
}

From source file:Main.java

/**
 * Creates (in a rather clumsy way) the font metrics for a given {@link Font}.
 * /*www .  java  2 s  .  co  m*/
 * @param aFont
 *          the font instance to create the font metrics for, cannot be
 *          <code>null</code>.
 * @return a font metrics, never <code>null</code>.
 */
private static FontMetrics createFontMetrics(final Font aFont) {
    BufferedImage img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
    Graphics canvas = img.getGraphics();

    try {
        return canvas.getFontMetrics(aFont);
    } finally {
        canvas.dispose();
        canvas = null;
        img = null;
    }
}

From source file:Main.java

public static BufferedImage convert2grey(BufferedImage image) {
    BufferedImage grey = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
    Graphics g = grey.getGraphics();
    g.drawImage(image, 0, 0, null);/*from ww  w .j  a v a  2  s  . com*/
    g.dispose();
    BufferedImage rgb = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
    g = rgb.getGraphics();
    g.drawImage(grey, 0, 0, null);
    g.dispose();
    return rgb;
}

From source file:Main.java

/**
 * Quickly crops an image from its source.
 * @param src The source image./*from www .  ja va 2s.  c o  m*/
 * @param x The x coordinate to start at.
 * @param y The y coordinate to start at.
 * @param width The width to clip.
 * @param height The height to clip.
 * @return
 */
public static BufferedImage imgUtilFastCrop(BufferedImage src, int x, int y, int width, int height) {
    if (src == null)
        return null;
    if (x == 0 && y == 0 && width == src.getWidth() && height == src.getHeight())
        return imgUtilFastCopy(src);
    else {
        BufferedImage b = new BufferedImage(width, height, src.getType());
        Graphics g = b.getGraphics();
        g.drawImage(src, -x, -y, null);
        g.dispose();
        return b;
    }
}

From source file:Main.java

public static BufferedImage createImage(JTable table) {
    JTableHeader tableHeaderComp = table.getTableHeader();
    int totalWidth = tableHeaderComp.getWidth() + table.getWidth();
    int totalHeight = tableHeaderComp.getHeight() + table.getHeight();
    BufferedImage tableImage = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2D = (Graphics2D) tableImage.getGraphics();
    tableHeaderComp.paint(g2D);/*from w w  w .ja v  a2s . co m*/
    g2D.translate(0, tableHeaderComp.getHeight());
    table.paint(g2D);
    return tableImage;
}

From source file:WaterMark.java

public static String execute(String src, String dest, String text, Color color, Font font) throws Exception {
    BufferedImage srcImage = ImageIO.read(new File(src));

    int width = srcImage.getWidth(null);
    int height = srcImage.getHeight(null);
    BufferedImage destImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics g = destImage.getGraphics();

    g.drawImage(srcImage, 0, 0, width, height, null);
    g.setColor(color);/*from www .  ja  va2  s  .  com*/
    g.setFont(font);
    g.fillRect(0, 0, 50, 50);
    g.drawString(text, width / 5, height - 10);
    g.dispose();

    ImageIO.write(destImage, DEFAULT_FORMAT, new File("dest.jpg"));
    return dest;
}

From source file:Main.java

/**
 * Applies a {@link BufferedImageOp} on the given {@link BufferedImage}.
 *
 * @param source The source image.//from  ww w.j  av a2 s.c o m
 * @param op     The operation to perform.
 * @return A new image with the operation performed.
 */
public static BufferedImage operatedImage(BufferedImage source, BufferedImageOp op) {
    BufferedImage newImage = newArgbBufferedImage(source.getWidth(), source.getHeight());
    Graphics2D g = (Graphics2D) newImage.getGraphics();
    g.drawImage(source, op, 0, 0);
    return newImage;
}

From source file:Main.java

/**
 * Creates an outline of an image,//from ww  w.  j ava  2 s.c  o m
 * with the default clipping rectangle.
 * @param src The source image.
 * @param c The color to outline the image
 * in.
 * @return
 */
public static BufferedImage imgUtilOutline(BufferedImage src, Color c) {
    if (src == null)
        return null;
    BufferedImage b = new BufferedImage(src.getWidth(), src.getHeight(), src.getType());
    Graphics2D g = (Graphics2D) b.getGraphics();
    g.setColor(c);
    g.drawRect(1, 1, src.getWidth() - 1, src.getHeight() - 1);
    g.drawImage(src, 0, 0, null);
    g.dispose();
    return b;
}