C#实现颜色空间转换.doc

实验一 颜色空间转换 下载链接：/share/link?shareid=139708&uk=521254270一、实验目的理解颜色空间的原理,并实现各颜色空间的转换算法.二、实验内容和步骤请编程实现以下转换算法:1. RGB CMY2. RGB HSL3. RGB HSV三、实验要求1. 实现语言不做要求, C, C+, Java, Matlab均可2. 要求按照课本上的算法实现3. 请关键语句都加上注释 四、实验结果（本次实验采用C#语言）1实验界面截图：（1）初始截图（2）操作后截图2.实验代码using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace RGBChange public partial class Form1 : Form public Form1() InitializeComponent(); /选择转换模式 private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) if (comboBox1.Text = RGB-CMY | comboBox1.Text = RGB-HSL | comboBox1.Text = RGB-HSV) label6.Text = 请输入数据，R:0,255,G:0,255,B:0,255; label1.Text = R:; label2.Text = G:; label3.Text = B:; if (comboBox1.Text = CMY-RGB ) label6.Text = 请输入数据，C:0,360,M:0,1,Y:0,1; label1.Text = C:; label2.Text = M:; label3.Text = Y:; if (comboBox1.Text = HSV-RGB ) label6.Text = 请输入数据，H:0,360,S:0,1,:0,1 ; label1.Text = H:; label2.Text = S:; label3.Text = V:; if (comboBox1.Text = HSL-RGB ) label6.Text = 请输入数据，H:0,360,S:0,1,L:0,1; label1.Text = H:; label2.Text = S:; label3.Text = L:; private void textBox3_TextChanged(object sender, EventArgs e) /判断输入数据是否合理 private void button1_Click(object sender, EventArgs e) if (comboBox1.Text = RGB-CMY) double r = Convert.ToDouble(textBox1.Text); double g = Convert.ToDouble(textBox2.Text); double b = Convert.ToDouble(textBox3.Text); if (r 255 | r 255 | g 255 | b RGB) double c = Convert.ToDouble(textBox1.Text); double m = Convert.ToDouble(textBox2.Text); double y = Convert.ToDouble(textBox3.Text); if (c1|m1|y1|c0|m0|yHSV) double r = Convert.ToDouble(textBox1.Text); double g = Convert.ToDouble(textBox2.Text); double b = Convert.ToDouble(textBox3.Text); if (r 255 | r 255 | g 255 | b RGB) double h = Convert.ToDouble(textBox1.Text); double s = Convert.ToDouble(textBox2.Text); double v = Convert.ToDouble(textBox3.Text); if (h 360 | s 1 | v 1 | h 0 | s 0 | v HSL) double r = Convert.ToDouble(textBox1.Text); double g = Convert.ToDouble(textBox2.Text); double b = Convert.ToDouble(textBox3.Text); if (r 255 | r 255 | g 255 | b RGB) double h = Convert.ToDouble(textBox1.Text); double s = Convert.ToDouble(textBox2.Text); double l = Convert.ToDouble(textBox3.Text); if (h 360 | s 1 | l 1 | h 0 | s 0 | l 1) r = r / 255; if (g 1) g = g / 255; if (b 1) b = b / 255; double c = 1 - r; double m = 1 - g; double y = 1 - b; label4.Text = C: + c + ; M: + m + ; Y: + y; /CMY转换为RGB private void cmyTorgb(double c,double m,double y) double r = 1 - c; double g = 1 - m; double b = 1 - y; label4.Text = R: + r*255 + ; G: + g*255 + ; B: + b*255; /RGB转换为HSL private void rgbTohsl(double r, double g, double b) double h = 0; double s, l; double max = r, min = r; if (r 1) r = r / 255; if (g 1) g = g / 255; if (b 1) b = b / 255; if (max g) max = g; if (max g) min = g; if (min b) min = b; l = (max + min) / 2; if (max = min) s = 0; h = 0; else if (l 0.5) s = (max - min) / (max + min); else s = (max - min) / (2.0 - max - min); if (r = max) h = (g - b) / (max - min); if (g = max) h = 2.0 + (b - r) / (max - min); if (b = max) h = 4.0 + (r - g) / (max - min); h = h * 60; if (h 1) h = h / 360; if (s = 0) r = l; g = l; b = l; else if (l = 0.5) temp2 = (l + s) - l * s; temp1 = 2.0 * l - temp2; Rtemp3 = h + 0.33; Gtemp3 = h; Btemp3 = h - 0.33; if (Rtemp3 1) Rtemp3 = Rtemp3 - 1; if (Gtemp3 1) Gtemp3 = Gtemp3 - 1; if (Btemp3 1) Btemp3 = Btemp3 - 1; if (6.0 * Rtemp3 1) r = temp1 + (temp2 - temp1) * 6.0 * Rtemp3; else if (2.0 * Rtemp3 1) r = temp2; else if (3.0 * Rtemp3 2) r = temp1 + (temp2 - temp1) * (2 / 3) - Rtemp3) * 6.0; else r = temp1; if (6.0 * Gtemp3 1) g = temp1 + (temp2 - temp1) * 6.0 * Gtemp3; else if (2.0 * Gtemp3 1) g = temp2; else if (3.0 * Gtemp3 2) g = temp1 + (temp2 - temp1) * (2 / 3) - Gtemp3) * 6.0; else g = temp1; if (6.0 * Btemp3 1) b = temp1 + (temp2 - temp1) * 6.0 * Btemp3; else if (2.0 * Btemp3 1) b = temp2; else if (3.0 * Btemp3 1) r = r / 255; if (g 1) g = g / 255; if (b 1) b = b / 255; if (max g) max = g; if (max g) min = g; if (min b) min = b; v = max; s = (max - min) / max; if (s = 0) h = 0; else if (r = max) h = (g - b) / (max - min); if (g= max) h=2+(b-r)/(max - min); if (b = max) h=4+(r-g)/(max - min); h = h * 60; if (h 0) h = h + 360; label4.Text = H: + h + ; S: + s + ; V: + v; /HSV转换为RGB private void hsvTorgb(double h, double s, double v) double r = 0, g = 0, b = 0; if (s =0 & h = 0) r = v; g = v; b = v; if (h = 360) h = 0; h = h / 60; int i = (int)Math.Floor(h); /向下取整 double f = h - i; double p = v * (1 - s); double q = v * (1 - (s * f); double t = v * (1 - (s * (1 - f); switch (i) case 0: r = v;