Example usage for java.awt.image BufferedImage createGraphics

Introduction

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

Prototype

public Graphics2D createGraphics()

Source Link

Document

Creates a Graphics2D , which can be used to draw into this BufferedImage .

Usage

From source file:Main.java

public static void draw(BufferedImage image, Rectangle rectangle, BufferedImage backgroundImg) {
    Graphics2D g = backgroundImg.createGraphics();
    if (rectangle == null) {
        g.drawImage(image, 0, 0, null);//from  ww  w.  ja v  a  2s.com
    } else {
        g.drawImage(image, rectangle.x, rectangle.y, null);
    }
    g.dispose();
}

From source file:Main.java

public static BufferedImage getStrokedImage(BufferedImage bi, Shape shape, int strokeWidth) {
    int w = bi.getWidth();
    int h = bi.getHeight();
    BufferedImage bib = new BufferedImage(w, h, bi.getType());
    Graphics2D g = bib.createGraphics();

    BasicStroke bs = new BasicStroke(strokeWidth);
    g.setStroke(bs);//  w ww. j a  v  a 2  s  . c o m
    Rectangle rect = new Rectangle(0, 0, w, h);
    TexturePaint tp = new TexturePaint(bi, rect);
    g.setPaint(tp);
    g.draw(shape);

    g.dispose();
    return bib;
}

From source file:Main.java

private static BufferedImage dye(BufferedImage image, Color color) {
    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage dyed = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = dyed.createGraphics();
    g.drawImage(image, 0, 0, null);/*from   ww w  .j a v a2  s  .c  o m*/
    g.setComposite(AlphaComposite.SrcAtop);
    g.setColor(color);
    g.fillRect(0, 0, w, h);
    g.dispose();
    return dyed;
}

From source file:Main.java

public static BufferedImage joinBufferedImage(BufferedImage img1, BufferedImage img2) {
    int offset = 2;
    int width = img1.getWidth() + img2.getWidth() + offset;
    int height = Math.max(img1.getHeight(), img2.getHeight()) + offset;
    BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = newImage.createGraphics();
    Color oldColor = g2.getColor();
    g2.setPaint(Color.BLACK);// ww  w  . j a  v a2  s. c om
    g2.fillRect(0, 0, width, height);
    g2.setColor(oldColor);
    g2.drawImage(img1, null, 0, 0);
    g2.drawImage(img2, null, img1.getWidth() + offset, 0);
    g2.dispose();
    return newImage;
}

From source file:Main.java

private static BufferedImage resizeImage(BufferedImage originalImage, int type) {
    int IMG_WIDTH = 512;
    int IMG_CLAHEIGHT = 512;
    BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_CLAHEIGHT, type);
    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_CLAHEIGHT, null);
    g.dispose();// w w w.  j av  a  2s. c  o m
    return resizedImage;
}

From source file:Main.java

public static BufferedImage drawtrajectory(BufferedImage canvas, int parabola[][], Color bgColour) {
    Graphics2D g2d = canvas.createGraphics();
    g2d.setColor(bgColour);//from  w  ww. j  a  va  2 s . c  om
    g2d.drawPolyline(parabola[0], parabola[1], parabola[0].length);
    return canvas;
}

From source file:Main.java

public static BufferedImage create(BufferedImage image, double angle, GraphicsConfiguration gc) {
    double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle));
    int w = image.getWidth(), h = image.getHeight();
    int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin);
    int transparency = image.getColorModel().getTransparency();
    BufferedImage result = gc.createCompatibleImage(neww, newh, transparency);
    Graphics2D g = result.createGraphics();
    g.translate((neww - w) / 2, (newh - h) / 2);
    g.rotate(angle, w / 2, h / 2);//from w w w . ja v a2  s.  co m
    g.drawRenderedImage(image, null);
    return result;
}

From source file:Main.java

private static BufferedImage resizeImageWithHint(BufferedImage originalImage, int type) {
    int IMG_WIDTH = 512;
    int IMG_CLAHEIGHT = 512;
    BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_CLAHEIGHT, type);
    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_CLAHEIGHT, null);
    g.dispose();/*www  .  j  a v a2 s.  c o  m*/
    g.setComposite(AlphaComposite.Src);

    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    return resizedImage;
}

From source file:Main.java

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 = { 0.0f, 0.5f, 1.0f };
    Color[] colors = { Color.RED, Color.YELLOW, Color.GREEN };
    g2.setPaint(new LinearGradientPaint(start, end, dist, colors));
    g2.fillRect(0, 0, 100, 1);/*from   w w  w.j  av  a  2 s  . c  o  m*/
    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 (Exception e) {
        e.printStackTrace();
    }
    return pallet;
}

From source file:Main.java

public static Image createImage(int size, Color color) {
    BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = image.createGraphics();
    g.setColor(color);// w ww. j  a v  a  2 s  .c  o  m
    g.fillRect(0, 0, size, size);
    g.dispose();
    return image;
}