C # + WinForm + EMGUCV Learn II: Create and manipulate pictures

Source: Internet
Author: User

The procedure is as follows;

Using system;using system.collections.generic;using system.componentmodel;using system.data;using System.Drawing; Using system.linq;using system.text;using system.threading.tasks;using system.windows.forms;using Emgu.CV;using Emgu.cv.cvenum;using emgu.cv.structure;using system.xml;using system.xml.serialization;using System.IO;namespace windowsformsapplication1{public partial class Form1:form {public Form1 () {Initializeco        Mponent (); }///<summary>///show blue///</summary>//<param name= "Sender" ></param        >//<param name= "E" ></param> private void Button1_Click (object sender, EventArgs e)            {IMAGE&LT;BGR, byte> img1 = new IMAGE&LT;BGR, byte> (new Bgr (255, 0, 0)); pictureBox1.Image = Img1.                    Tobitmap (); }///<summary>///Open a picture from the dialog box;///</summary>//<param name= "SenDer "></param>//<param name=" E "></param> private void button2_click (object sender, Ev Entargs e) {string strFileName = string.            Empty;            OpenFileDialog ofd = new OpenFileDialog (); if (OFD. ShowDialog () ==dialogresult.ok) {image<bgr, byte> img1 = new IMAGE&LT;BGR, byte> (OFD.                FileName); pictureBox1.Image = Img1.            Tobitmap (); }}///<summary>//for pixel operation;///</summary>//<param name= "Sender" & gt;</param>//<param name= "E" ></param> private void Button3_Click (object sender, Eventar            GS e) {image<bgr, byte> img1 = new IMAGE&LT;BGR, byte> (New Bgr (250, 0, 0));            Byte B1 = 255;                 BGR yellow = new Bgr (0, 255, 255);//The RGB value can be interpreted as a vector overlay;//first for (int i=20;i<60;i++) { for (int j=20;j<60;j++) {img1.                    Data[i, j, 0] = 0; Img1.                    Data[i, j, 1] = B1; Img1.                Data[i, J, 2] = B1; }}//second for (int i=120;i<160;i++) {for (int j=20;j<60                ; j + +) {img1[i, j] = yellow; }}//third byte[,,] data = img1. Data;                    delivery address only; for (int i=20;i<60;i++) {for (int j=120;j<160;j++) {                    Data[i, j, 0] = 0;                    Data[i, j, 1] = B1;                Data[i, J, 2] = B1; }} picturebox1.image = Img1.        Tobitmap (); }///<summary>///image overlay;///</summary>//<param name= "Sender" ></param >//<param name= "E" ></param> private void Button4_Click (object sender, EventarGS e) {image<bgr, byte> imgblue = new IMAGE&LT;BGR, byte> (new Bgr (255, 0, 0));            IMAGE&LT;BGR, byte> imggreen = new IMAGE&LT;BGR, byte> (new Bgr (0, 255, 0));            IMAGE&LT;BGR, byte> imgred = new IMAGE&LT;BGR, byte> (new Bgr (0, 0, 255));            IMAGE&LT;BGR, byte> img1 = imgblue + Imggreen + imgred; pictureBox1.Image = Img1.        Tobitmap (); }///<summary>//change each pixel point;///</summary>//<param name= "Sender" ><        /param>//<param name= "E" ></param> private void Button5_click (object sender, EventArgs e) {//you need choose a gray picture Image<gray, byte> imggray = new Image<gray, BYTE&G            t; ("E:\\testpictures\\rice.png"); Single is one-precision floating-point number Image<gray, single> img1 = imggray.convert<single> (Delegate (Byte  b) {                  Return (single) Math.sin (b * b/255.0);            }            ); pictureBox1.Image = Img1.            Tobitmap (); Img1. Dispose ();//If you do not add this, the system will automatically log off the picture, but try to manually log out;}//<summary>//image to XML//</summary >//<param name= "sender" ></param>//<param name= "E" ></param> private V OID Button6_click (object sender, EventArgs e) {string strFileName = string.            Empty;            OpenFileDialog ofd = new OpenFileDialog (); if (OFD. ShowDialog () ==dialogresult.ok) {image<bgr, byte> img1 = new IMAGE&LT;BGR, byte> (OFD.                FileName); pictureBox1.Image = Img1.                                Tobitmap ();                Note References Systom.xml and IO, etc. StringBuilder SB1 = new StringBuilder (); (New XmlSerializer (typeof (IMAGE&LT;BGR, byte>)).                Serialize (New StringWriter (SB1), IMG1); XmlDocument XMLDoc = new XmlDocument (); Xmldoc.loadxml (SB1.                ToString ());                                                  Xmldoc.save ("Image.xml");        }}////<summary>//XML to image, need to load XML file, I use the last button generated XML file;///</summary> <param name= "Sender" ></param>///<param name= "E" ></param> private void button 7_click (object sender, EventArgs e) {string strFileName = string.            Empty;            OpenFileDialog ofd = new OpenFileDialog (); if (OFD.                ShowDialog () = = DialogResult.OK) {XmlDocument doc = new XmlDocument (); Doc. Load (OFD.                FileName); IMAGE&LT;BGR, byte> img1 = (IMAGE&LT;BGR, byte>) (New XmlSerializer (typeof (IMAGE&LT;BGR, byte> ))).                           Deserialize (new XmlNodeReader (DOC)); pictureBox1.Image = Img1.            Tobitmap (); }        }    }}

Operation Result:


The second program finishes.

C # + WinForm + EMGUCV Learn II: Create and manipulate pictures

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