Image Processing Method Collection

Package com.tools;

Import Java.awt.Color;
Import Java.awt.Graphics;
Import Java.awt.Graphics2D;
Import Java.awt.Image;
Import Java.awt.Toolkit;
Import Java.awt.image.BufferedImage;
Import java.io.FileNotFoundException;
Import Java.io.FileOutputStream;
Import java.io.IOException;
Import Java.io.OutputStream;
Import Java.net.URL;

Import Javax.imageio.ImageIO;
Import Javax.swing.ImageIcon;

/**
* Make simple picture tool
* @author Zhaojun
*/
public class Imagetool {

/**
* Create picture border
* @param width Border Total
* Total height of @param height frame
* @parma borderWidth Border Width
* @param bordercolor border color
* @param Comp Transparency
*/
public static bufferedimage getimageborder (int width, int height, int borderWidth, int bordercolor, float comp) {
BufferedImage img = new BufferedImage (width, height, bufferedimage.type_int_argb);
Graphics2D g2d = Img.creategraphics ();
String rgbstr = integer.tohexstring (bordercolor);
float R = integer.parseint (rgbstr.substring (0, 2), 16);
float g = Integer.parseint (Rgbstr.substring (2, 4), 16);
Float B = Integer.parseint (Rgbstr.substring (4, 6), 16);
G2d.setcolor (New Color (R/0xff, G/0xff, B/0xff, comp));
Top
G2d.fillrect (borderWidth, 0, Width-borderwidth, borderWidth);
Right
G2d.fillrect (Width-borderwidth, BorderWidth, BorderWidth, height-borderwidth);
Below
G2d.fillrect (0, Height-borderwidth, Width-borderwidth, borderWidth);
Left
G2d.fillrect (0, 0, borderWidth, height-borderwidth);
G2d.dispose ();
return img;
}

/**
* Create picture border
* @param OS output stream
* @param formatname picture type (png/jpeg/... ）
* @param width Border Total
* Total height of @param height frame
* @parma borderWidth Border Width
* @param bordercolor border color
* @param Comp Transparency
* @throws IOException
*/
public static void Getimageborder (OutputStream os, String formatname, int width, int height, int borderWidth, int Borderco Lor, float comp) throws ioexception{
BufferedImage img = getimageborder (width, height, borderWidth, bordercolor, comp);
Imageio.write (IMG, formatname, OS);
}

/**
* Create picture border
* @param OS output stream
* @param width Border Total
* Total height of @param height frame
* @parma borderWidth Border Width
* @param bordercolor border color
* @param Comp Transparency
* @throws IOException
*/
public static void Getimageborder (OutputStream os, int width, int height, int borderWidth, int bordercolor, float comp) th Rows ioexception{
BufferedImage img = getimageborder (width, height, borderWidth, bordercolor, comp);
Imageio.write (IMG, "PNG", OS);
}

/**
* Image Zoom
* @param srcimg Original
* @param the width of the image after NW scaling
* @param the height of the image after NH zoom
*/
public static BufferedImage Zoomimage (bufferedimage srcimg, int nw, int nh) {
BufferedImage img = null;
img = new BufferedImage (NW, NH, Srcimg.gettype ());
Graphics g = img.getgraphics ();
G.drawimage (srcimg, 0, 0, NW, NH, NULL);
G.dispose ();
return img;
}

/**
* Image Zoom
* @param srcimg Original
* @param the width of the image after NW scaling
* @param the height of the image after NH zoom
*/
public static BufferedImage Zoomimage (Image srcimg, int nw, int nh) {
BufferedImage img = null;
img = new BufferedImage (NW, NH, BUFFEREDIMAGE.TYPE_INT_ARGB);
Graphics g = img.getgraphics ();
G.drawimage (srcimg, 0, 0, NW, NH, NULL);
G.dispose ();
return img;
}

/**
* Image Zoom
* @param srcimg Original
* @param scale Zoom Multiplier
*/
public static BufferedImage Zoomimage (bufferedimage srcimg, float scale) {
New calculation of new picture size
int SW = Srcimg.getwidth ();
int sh = srcimg.getheight ();
int NW = (int) (SW * scale);
int nh = (int) (sh * scale);
Return Zoomimage (Srcimg, NW, NH);
}

/**
* Image Zoom
* @param srcimg Original
* @param the width of the image after NW scaling
*/
public static BufferedImage Zoomimagebynewwidth (bufferedimage srcimg, int nw) {
New calculation of new picture size
int SW = Srcimg.getwidth ();
int sh = srcimg.getheight ();
float scale = NW/(float) SW;
int nh = (int) (sh * scale);
Return Zoomimage (Srcimg, NW, NH);
}

/**
* Image Zoom
* @param srcimg Original
* @param the width of the image after NW scaling
*/
public static BufferedImage Zoomimagebynewwidth (Image srcimg, int nw) {
New calculation of new picture size
Image _srcimg = new ImageIcon (srcimg). GetImage ();
int SW = _srcimg.getwidth (NULL);
int sh = _srcimg.getheight (null);
float scale = NW/(float) SW;
int nh = (int) (sh * scale);
Return Zoomimage (_srcimg, NW, NH);
}

/**
* Image Zoom
* @param srcimg Original
* @param the width of the image after NW scaling
* @throws IOException
*/
public static void Zoomimagebynewwidth (OutputStream os, URL srcimg, int nw) throws ioexception{
Using Imageio.read () to read a picture will lose some of the information, the resulting picture feels like a layer of things (some say that the ICC information is lost when reading),
So use Toolkit.getdefaulttoolkit (). GetImage ()
BufferedImage img = imagetool.zoomimagebynewwidth (Toolkit.getdefaulttoolkit (). GetImage (srcimg), NW);
Imageio.write (IMG, "PNG", OS);
}


public static void Main (string[] args) {

try {
Imagetool.getimageborder (New FileOutputStream ("E:/v_border_n.png"),
174, 5, 0X3FA1DD, 0.8f);

String url = "Http://192.168.136.80:8080/remote-support/convert_files/video/201504/63f28cf5d8704c9188d4c7efe75134b3.jpg";
Imagetool.zoomimagebynewwidth (New FileOutputStream ("E:/v_yyy.jpg"), new URL (URL), 170);

BufferedImage img = imagetool.zoomimagebynewwidth (Toolkit.getdefaulttoolkit (). GetImage (New URL (
"Http://192.168.136.80:8080/remote-support/convert_files/video/201504/63f28cf5d8704c9188d4c7efe75134b3.jpg")), 170);
Imageio.write (IMG, "PNG", New FileOutputStream ("E:/v_xxx.png"));

} catch (FileNotFoundException e) {
TODO auto-generated Catch block
E.printstacktrace ();
} catch (IOException e) {
TODO auto-generated Catch block
E.printstacktrace ();
}
}

}

Image Processing Method Collection