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histForm.cs
资源名称：ImageProcess.rar　[点击查看]
上传用户：c6x6r6
上传日期：2022-07-31
资源大小：515k
文件大小：6k
源码类别：

波变换

开发平台：

Visual Basic

histForm.cs：源码内容
  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Windows.Forms;
  9. using System.Drawing.Imaging;
  10. using System.Runtime.InteropServices;
  12. namespace WindowsFormsApplication2
  13. {
  14.     public partial class histForm : Form
  15.     {
  16.         public histForm(Bitmap bmp)
  17.         {
  18.             InitializeComponent();
  19.             bmpHist = bmp;
  20.             countPixel = new int [3 , 256];
  21.             maxPixel = new int[3];
  22.         }
  24.         //关闭按钮
  25.         private void button1_Click(object sender, EventArgs e)
  26.         {
  27.             this.Close();
  28.         }
  30.         private void histForm_Paint(object sender, PaintEventArgs e)
  31.         {
  32.             Pen curPen = new Pen(Brushes.Red, 1);
  33.             Graphics g = e.Graphics;
  34.             g.DrawLine(curPen, 50, 240, 320, 240);
  35.             g.DrawLine(curPen, 50, 240, 50, 30);
  37.             g.DrawLine(curPen, 100, 240, 100, 242);
  38.             g.DrawLine(curPen, 150, 240, 150, 242);
  39.             g.DrawLine(curPen, 200, 240, 200, 242);
  40.             g.DrawLine(curPen, 250, 240, 250, 242);
  41.             g.DrawLine(curPen, 300, 240, 300, 242);
  43.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(46, 242));
  44.             g.DrawString("50", new Font("New Timer", 8), Brushes.Black, new PointF(92, 242));
  45.             g.DrawString("100", new Font("New Timer", 8), Brushes.Black, new PointF(139, 242));
  46.             g.DrawString("150", new Font("New Timer", 8), Brushes.Black, new PointF(189, 242));
  47.             g.DrawString("200", new Font("New Timer", 8), Brushes.Black, new PointF(239, 242));
  48.             g.DrawString("250", new Font("New Timer", 8), Brushes.Black, new PointF(289, 242));
  50.             g.DrawLine(curPen, 48, 40, 50, 40);
  51.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(34, 234));
  52.             g.DrawString(maxPixel[0].ToString(), new Font("New Timer", 8), Brushes.Black, new PointF(18, 34));
  54.             double temp = 0;
  55.             for (int i = 0; i < 256; i++)
  56.             {
  57.                 temp = 200.0 * countPixel[0 , i] / maxPixel[0];
  58.                 g.DrawLine(curPen, 50 + i, 240, 50 + i, 240 - (int)temp);
  59.             }
  60.             curPen.Dispose();
  62.             curPen = new Pen(Brushes.Green, 1);
  63.             g.DrawLine(curPen, 350, 240, 620, 240);
  64.             g.DrawLine(curPen, 350, 240, 350, 30);
  66.             g.DrawLine(curPen, 400, 240, 400, 242);
  67.             g.DrawLine(curPen, 450, 240, 450, 242);
  68.             g.DrawLine(curPen, 500, 240, 500, 242);
  69.             g.DrawLine(curPen, 550, 240, 550, 242);
  70.             g.DrawLine(curPen, 600, 240, 600, 242);
  72.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(346, 242));
  73.             g.DrawString("50", new Font("New Timer", 8), Brushes.Black, new PointF(392, 242));
  74.             g.DrawString("100", new Font("New Timer", 8), Brushes.Black, new PointF(439, 242));
  75.             g.DrawString("150", new Font("New Timer", 8), Brushes.Black, new PointF(489, 242));
  76.             g.DrawString("200", new Font("New Timer", 8), Brushes.Black, new PointF(539, 242));
  77.             g.DrawString("250", new Font("New Timer", 8), Brushes.Black, new PointF(589, 242));
  79.             g.DrawLine(curPen, 348, 40, 350, 40);
  80.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(334, 234));
  81.             g.DrawString(maxPixel[0].ToString(), new Font("New Timer", 8), Brushes.Black, new PointF(318, 34));
  83.             temp = 0;
  84.             for (int i = 0; i < 256; i++)
  85.             {
  86.                 temp = 200.0 * countPixel[1, i] / maxPixel[1];
  87.                 g.DrawLine(curPen, 350 + i, 240, 350 + i, 240 - (int)temp);
  88.             }
  89.             curPen.Dispose();
  91.             curPen = new Pen(Brushes.Blue, 1);
  92.             g.DrawLine(curPen, 650, 240, 920, 240);
  93.             g.DrawLine(curPen, 650, 240, 650, 30);
  95.             g.DrawLine(curPen, 700, 240, 700, 242);
  96.             g.DrawLine(curPen, 750, 240, 750, 242);
  97.             g.DrawLine(curPen, 800, 240, 800, 242);
  98.             g.DrawLine(curPen, 850, 240, 850, 242);
  99.             g.DrawLine(curPen, 900, 240, 900, 242);
  101.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(646, 242));
  102.             g.DrawString("50", new Font("New Timer", 8), Brushes.Black, new PointF(692, 242));
  103.             g.DrawString("100", new Font("New Timer", 8), Brushes.Black, new PointF(739, 242));
  104.             g.DrawString("150", new Font("New Timer", 8), Brushes.Black, new PointF(789, 242));
  105.             g.DrawString("200", new Font("New Timer", 8), Brushes.Black, new PointF(839, 242));
  106.             g.DrawString("250", new Font("New Timer", 8), Brushes.Black, new PointF(889, 242));
  108.             g.DrawLine(curPen, 648, 40, 650, 40);
  109.             g.DrawString("0", new Font("New Timer", 8), Brushes.Black, new PointF(634, 234));
  110.             g.DrawString(maxPixel[0].ToString(), new Font("New Timer", 8), Brushes.Black, new PointF(618, 34));
  112.             temp = 0;
  113.             for (int i = 0; i < 256; i++)
  114.             {
  115.                 temp = 200.0 * countPixel[2, i] / maxPixel[2];
  116.                 g.DrawLine(curPen, 650 + i, 240, 650 + i, 240 - (int)temp);
  117.             }
  118.             curPen.Dispose();
  120.         }
  122.         private void histForm_Load(object sender, EventArgs e)
  123.         {
  124.             Rectangle rect = new Rectangle(0, 0, bmpHist.Width, bmpHist.Height);
  125.             BitmapData bmpData = bmpHist.LockBits(rect, ImageLockMode.ReadWrite, bmpHist.PixelFormat);
  126.             IntPtr ptr = bmpData.Scan0;
  127.             int bytes = bmpHist.Width * bmpHist.Height;
  128.             byte[] rgbValues = new byte[bytes * 3];
  129.             Marshal.Copy(ptr, rgbValues, 0, bytes * 3);
  131.             int rTemp , gTemp , bTemp;
  132.             for (int i = 0; i < bytes; i++)
  133.             {
  134.                 rTemp = ++countPixel[0 , rgbValues[i * 3 + 2]];
  135.                 gTemp = ++countPixel[1 , rgbValues[i * 3 + 1]];
  136.                 bTemp = ++countPixel[2 , rgbValues[i * 3]];
  137.                 if ( rTemp > maxPixel[0])
  138.                 {
  139.                     maxPixel[0] = rTemp;
  140.                 }
  141.                 if (gTemp > maxPixel[1])
  142.                 {
  143.                     maxPixel[1] = gTemp;
  144.                 }
  145.                 if (bTemp > maxPixel[2])
  146.                 {
  147.                     maxPixel[2] = bTemp;
  148.                 }
  149.             }
  150.             bmpHist.UnlockBits(bmpData);
  151.         }
  152.     }
  153. }