Open Sourcing DOS 4
2 days ago
Hi,
Sometime you want to convert colored images to black and white.Here i am giving you the simple method to do so.Just see below.
//example for coverting colored image to black and whiteimport java.awt.image.*;import javax.imageio.ImageIO;import java.io.*;import java.awt.*;
class BlackAndWhite{ public static void main(String asr[]) { try { //colored image path BufferedImage image = ImageIO.read(new File("D:\\MyProgram\\output.jpg"));
//getting width and height of image double image_width = image.getWidth(); double image_height = image.getHeight();
BufferedImage bimg = null; BufferedImage img = image;
//drawing a new image bimg = new BufferedImage((int)image_width, (int)image_height, BufferedImage.TYPE_BYTE_GRAY); Graphics2D gg = bimg.createGraphics(); gg.drawImage(img, 0, 0, img.getWidth(null), img.getHeight(null), null);
//saving black and white image onto drive String temp = "blackAndwhite.jpeg"; File fi = new File("D:\\My Program\\" + temp); ImageIO.write(bimg, "jpg", fi); } catch (Exception e) { System.out.println(e); } }}
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