C#桌面程序设计复习
GGG
//屏幕高度
int ScreenH = 1080;
this.Location = new Point(this.Location.X, ScreenH - this.Height - 20);
//关闭本窗体，打开主窗体
this.Hide();
FrmQQMain frmQQMain = new FrmQQMain();
frmQQMain.ShowDialog();
//鼠标进入时，变成红色
label1.ForeColor = Color.Red;
//鼠标离开时，背景变透明
pictureBox1.BackColor = Color.Transparent;
//颜色浅灰半透明
picShrink.BackColor = Color.FromArgb(50,200,200,200);
//鼠标进入时，切换另一张图片
picLogin.BackgroundImage = Properties.Resources.iconqq;
//鼠标拖动窗体方法
bool isDrag;
Point ClickPoint;
private void Frm1_MouseDown(object sender, MouseEventArgs e)
{
isDrag = true;
ClickPoint = new Point(e.X ,e.Y );
}
private void Frm1_MouseMove(object sender, MouseEventArgs e){if (isDrag == true)this.Location = new Point(this .Location .X +e.X -ClickPoint .X ,this .Location .Y +e.Y -ClickPoint .Y );ClickPoint.X = e.X;ClickPoint.Y = e.Y;}private void Frm1_MouseUp(object sender, MouseEventArgs e){isDrag = false;}//随机出现按钮方法
Random r = new Random();
button2.Location = new Point(r.Next ()%(this .Width -button2 .Width )
,r .Next ()%(this.ClientSize .Height -button2 .Height ));
//打开资源管理器(click事件中)
OpenFileDialog ofd=new openfiledialog();//初始化打开文件夹类
ofd.ShowDialog();//显示资源管理器
//显示图片
（click事件外）image imgOriginal;//定义一张图片
(click事件里) string strFileName = ofd.FileName;//获取该位置的文件名
imgOriginal = Image.FromFile(strFileName);//获取选取的图片
pictureBox1.BackgroundImage = imgOriginal;//显示图片
//图片底片化（click事件里）
bitmap bmp=new bitmap（imgoriginal）；//从现有的图像初始化位图类
for(int i=0;i<bmp.width;i++)
{
for(int j=0;j<bmp.height;j++)
{
color c=bmp.getpixel(i,j);//获得原来像素点颜色
color cafter=color.fromargb(255-c.r,255-c.g,255-c.b);//改变
bmp.setpixel(i,j,cafter); //设置回去
}
}
picturebox2.backgroundimage=bmp;
//保存修改后的图片（click事件中）
savefiledialog sfd=new savefiledialog();//初始化保存类
sfd.showdialog();//重载显示资源管理器界面
picturebox2.backgroundimage.save(sfd.filename+".jpg");//获取控件中的背景图片AAA
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 DamonQQ
{
public partial class FrmLogin : Form
{
public FrmLogin()
{
InitializeComponent();
}
private void pictureBox6_Click(object sender, EventArgs e){}private void textBox3_TextChanged(object sender, EventArgs e){}private void checkBox2_CheckedChanged(object sender, EventArgs e){}private void Form1_Load(object sender, EventArgs e){//屏幕的高度int ScreenH=1080;this.Location = new Point(this.Location.X, ScreenH - this.Height - 20);}private void label1_Click(object sender, EventArgs e){}private void button1_Click(object sender, EventArgs e){//关闭本窗体，打开qq好友窗体this.Hide();FrmQQMain frmQQMain = new FrmQQMain();frmQQMain.ShowDialog();}private void pictureBox8_Click(object sender, EventArgs e){//关闭本窗体，打开QQ设置窗体this.Hide();QQsetup QQsetup = new QQsetup();QQsetup.ShowDialog();}private void pictureBox9_Click(object sender, EventArgs e){}private void pictureBox10_Click(object sender, EventArgs e){this.Close();}private void label1_MouseEnter(object sender, EventArgs e){//鼠标进入时，标签变成黑色lblFoundCode.ForeColor = Color.Black;}private void label1_MouseLeave(object sender, EventArgs e){//鼠标离开时，标签变成灰色lblFoundCode.ForeColor = Color.Gray;}private void checkBox2_MouseEnter(object sender, EventArgs e){//鼠标进入时，标签变成黑色chkRemember.ForeColor = Color.Black;}private void checkBox2_MouseLeave(object sender, EventArgs e){//鼠标离开时，标签变成灰色chkRemember.ForeColor = Color.Gray;}private void checkBox1_MouseEnter(object sender, EventArgs e){//鼠标进入时，标签变成黑色chkAutoLogin.ForeColor = Color.Black;}private void checkBox1_MouseLeave(object sender, EventArgs e){//鼠标离开时，标签变成灰色chkAutoLogin.ForeColor = Color.Gray;}private void label2_MouseEnter(object sender, EventArgs e){//鼠标进入时，标签变成黑色lblRegister.ForeColor = Color.Black;}private void label2_MouseLeave(object sender, EventArgs e){//鼠标离开时，标签变成灰色lblRegister.ForeColor = Color.Gray;}private void pictureBox10_MouseEnter(object sender, EventArgs e){//鼠标进入时 图片背景变红picClose.BackColor = Color.Red;}private void pictureBox10_MouseLeave(object sender, EventArgs e){picClose.BackColor = Color.Transparent;}private void pictureBox9_MouseEnter(object sender, EventArgs e){//颜色浅灰色半透明picShrink.BackColor = Color.FromArgb(50, 200, 200, 200);}private void pictureBox9_MouseLeave(object sender, EventArgs e){picShrink.BackColor = Color.Transparent;}private void pictureBox2_MouseEnter(object sender, EventArgs e){//变成蓝色小企鹅picLogin.BackgroundImage = Properties.Resources.iconqq;//此处应为蓝色}private void pictureBox5_MouseEnter(object sender, EventArgs e){picLoginTail.BackgroundImage = Properties.Resources.down_en;}private void pictureBox5_MouseLeave(object sender, EventArgs e){picLoginTail.BackgroundImage = Properties.Resources.down_dis;}bool isDrag;//是否拖动窗体Point clickPoint;private void Form1_MouseDown(object sender, MouseEventArgs e){isDrag = true;clickPoint = new Point(e.X, e.Y);}// Point movePoint;private void Form1_MouseMove(object sender, MouseEventArgs e){if (isDrag ==true )this.Location = new Point(this.Location.X + e.X - clickPoint.X,this.Location .Y +e.Y -clickPoint .Y );clickPoint .X =e.X ;clickPoint .Y =e.Y ;}private void Form1_MouseUp(object sender, MouseEventArgs e){isDrag = false;}bool isMoveout;bool isMoveback;private void pictureBox1_MouseEnter(object sender, EventArgs e){//加号弹出timer1.Enabled = true;isMoveout = true;}private void pictureBox1_MouseLeave(object sender, EventArgs e){//加号弹回isMoveout = false ;isMoveback = true;}private void timer1_Tick(object sender, EventArgs e){if (isMoveout){picMultiUser.Location = new Point(picMultiUser.Location.X + 10, picMultiUser.Location.Y);if (picMultiUser.Location.X >= 277){timer1.Enabled = false;return;}}else {picMultiUser.Location = new Point(picMultiUser.Location.X - 10, picMultiUser.Location.Y);if (picMultiUser.Location.X <= 178){timer1.Enabled = false;return;}}}private void picSet_MouseEnter(object sender, EventArgs e){picSet.BackColor = Color.FromArgb(50, 200, 200, 200);}private void picSet_MouseLeave(object sender, EventArgs e){picSet.BackColor = Color.Transparent;}private void picQuickMark_MouseEnter(object sender, EventArgs e){picQuickMark.BackgroundImage = Properties.Resources.tdcode1;}private void picLoginTail_Click(object sender, EventArgs e){}private void picQuickMark_Click(object sender, EventArgs e){//关闭本窗体，打开二维码窗体this.Hide();QuickMark QuickMark = new QuickMark();QuickMark.ShowDialog();}private void picQuickMark_MouseLeave(object sender, EventArgs e){picQuickMark.BackgroundImage = Properties.Resources.tdcode;}private void picKeyboard_MouseEnter(object sender, EventArgs e){picKeyboard.BackgroundImage = Properties.Resources.keyboard1;}private void picKeyboard_MouseLeave(object sender, EventArgs e){picKeyboard.BackgroundImage = Properties.Resources.keyboard;}private void picMultiUser_Click(object sender, EventArgs e){}private void lblRegister_Click(object sender, EventArgs e){}private void picKeyboard_Click(object sender, EventArgs e){}}}
BBB
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 DamonResign
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void pictureBox1_Click(object sender, EventArgs e){}private void pictureBox1_Click_1(object sender, EventArgs e){}private void button2_MouseMove(object sender, MouseEventArgs e){}private void label4_Click(object sender, EventArgs e){}private void button2_Click(object sender, EventArgs e){}private void button2_MouseEnter(object sender, EventArgs e){Random r = new Random();button2.Location = new Point(r.Next() % (this.Width - button2.Width),r.Next() % (this.ClientSize.Height - button2.Height));}private void button1_Click(object sender, EventArgs e){this.Hide();Form2 form2 = new Form2 ();form2.ShowDialog();}private void Form1_Load(object sender, EventArgs e){}} }CCC
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;
using System.IO;
namespace DamonMusic
{
public partial class Form1 : Form
{
private String[] songs;
private String[] lyrics;
private String[] pics;
private int songPointer = 0;
private Label[] lyricLabels = new Label[100];public Form1(){InitializeComponent();}// type = 1 下一首 type = -1 上一首private int checkBound(int songPointer, int type){Boolean arrivedMaximum = false;Boolean arrivedMinimum = false;if(type == 1)songPointer += 1;else{songPointer -= 1;}if (songPointer == songs.Length) {arrivedMaximum = true;}if (songPointer == -1){arrivedMinimum = true;}if (arrivedMaximum) {songPointer = 0;}if (arrivedMinimum) {songPointer = songs.Length - 1;}return songPointer;}private void Form1_Load(object sender, EventArgs e){songs = Directory.GetFiles("song", "*.mp3");lyrics = Directory.GetFiles("lyric", "*.lrc");pics = Directory.GetFiles("image", "*.jpg");//相对路径if (songs.Length != 0){axWindowsMediaPlayer1.URL = songs[songPointer];LyricFiles lyricFiles = new LyricFiles();lyricFiles.LoadLyric(lyrics[songPointer]);int yStep = 0;for (int i = 0; i < lyricFiles.lstLyric.Count; i++){Label lblLyric = new Label();lblLyric.Size = new System.Drawing.Size(500, 30);lblLyric.BackColor = Color.Transparent;lblLyric.ForeColor = Color.White;lblLyric.Font = new System.Drawing.Font("微软雅黑", 14);lblLyric.Text = lyricFiles.lstLyric[i].strLyric;lblLyric.Location = new Point(60, yStep);yStep += 40;lyricLabels[i] = lblLyric;this.Controls.Add(lblLyric);}this.BackgroundImage = Image.FromFile(pics[songPointer]);//songPointer = checkBound(songPointer,1);}else axWindowsMediaPlayer1.URL = null;axWindowsMediaPlayer1.Ctlcontrols.stop();//初始化 准备工作pnlControlBar.BackColor = Color.FromArgb(127, 200, 200, 200);}private void pictureBox1_Click(object sender, EventArgs e){}private void pictureBox2_Click(object sender, EventArgs e){}bool isplay = false;private void pictureBox9_Click(object sender, EventArgs e){isplay = !isplay;//播放歌曲if (isplay){lblShowDuration.Text = axWindowsMediaPlayer1.currentMedia.durationString;axWindowsMediaPlayer1.Ctlcontrols.play();picPlay.BackgroundImage = Properties.Resources.pause_circle_o;}else//暂停播放{axWindowsMediaPlayer1.Ctlcontrols.pause();picPlay.BackgroundImage=Properties.Resources.play_circle_o;}//LyricFiles lyricFiles = new LyricFiles();//lyricFiles.LoadLyric("lyric/音阙诗听-红昭愿.lrc");//int yStep = 0;//for (int i = 0; i < lyricFiles.lstLyric.Count; i++)//{// Label lblLyric = new Label();// lblLyric.Size = new System.Drawing.Size(500, 30);// lblLyric.BackColor = Color.Transparent;// lblLyric.ForeColor=Color .White ;// lblLyric.Font=new System .Drawing .Font ("微软雅黑",14);// lblLyric.Text = lyricFiles.lstLyric[i].strLyric;// lblLyric.Location = new Point (60,yStep );// yStep +=40;// lyricLabels[labelPointer] = lblLyric;// labelPointer += 1;// this.Controls.Add(lblLyric);//}//int currentLyricLine;//for (int i = 0; i < lyricFiles.lstLyric.Count; i++)//{// if (axWindowsMediaPlayer1.Ctlcontrols.currentPosition > lyricFiles.lstLyric[currentLyricLine].totSecond)//{// for (int j = 0; j < lstLbl.Count; j++)//{// if (j == currentLyricLine)//{// lstLbl[j].ForeColor = Color.Yellow;// lstLbl[j ].Font=new Font ("微软雅黑"，18)；// }//else//{// lstLbl[j].ForeColor = Color.White ;//lstLbl[j ].Font=new Font ("微软雅黑"，10)；//}//}//currentLyricLine ++;//}//}//lstLbl[j].Location=new Point(lstLbl[j].Location.X,LstLbl[j].Location.Y+20);//lyricFiles.lstLyric[1];//打开文件// Encoding encode = Encoding.GetEncoding("GB2312");// FileStream fs=new FileStream ("音阙诗听-红昭愿.lrc",FileMode .Open );// StreamReader sr=new StreamReader (fs,encode );// // string line = sr.ReadLine();// //操作文件// //richTextBox1.Text = sr.ReadToEnd();// //关闭文件// sr.Close();// fs.Close();}private void pictureBox10_Click(object sender, EventArgs e){isplay = true;for (int i = 0; i < 100; i++){if (lyricLabels[i] == null) {continue;}this.Controls.Remove(lyricLabels[i]);}songPointer = checkBound(songPointer, 1);axWindowsMediaPlayer1.URL = songs[songPointer];axWindowsMediaPlayer1.Ctlcontrols.play();picPlay.BackgroundImage = Properties.Resources.pause_circle_o;LyricFiles lyricFiles = new LyricFiles();lyricFiles.LoadLyric(lyrics[songPointer]);int yStep = 0;for (int i = 0; i < lyricFiles.lstLyric.Count; i++){Label lblLyric = new Label();lblLyric.Size = new System.Drawing.Size(500, 30);lblLyric.BackColor = Color.Transparent;lblLyric.ForeColor = Color.White;lblLyric.Font = new System.Drawing.Font("微软雅黑", 14);lblLyric.Text = lyricFiles.lstLyric[i].strLyric;lblLyric.Location = new Point(60, yStep);yStep += 40;lyricLabels[i] = lblLyric;this.Controls.Add(lblLyric);}this.BackgroundImage = Image.FromFile(pics[songPointer]);}private void pictureBox8_Click(object sender, EventArgs e){isplay = true;for (int i = 0; i < 100; i++){if (lyricLabels[i] == null){continue;}this.Controls.Remove(lyricLabels[i]);}songPointer = checkBound(songPointer, -1);axWindowsMediaPlayer1.URL = songs[songPointer];axWindowsMediaPlayer1.Ctlcontrols.play();picPlay.BackgroundImage = Properties.Resources.pause_circle_o;LyricFiles lyricFiles = new LyricFiles();lyricFiles.LoadLyric(lyrics[songPointer]);int yStep = 0;for (int i = 0; i < lyricFiles.lstLyric.Count; i++){Label lblLyric = new Label();lblLyric.Size = new System.Drawing.Size(500, 30);lblLyric.BackColor = Color.Transparent;lblLyric.ForeColor = Color.White;lblLyric.Font = new System.Drawing.Font("微软雅黑", 14);lblLyric.Text = lyricFiles.lstLyric[i].strLyric;lblLyric.Location = new Point(60, yStep);yStep += 40;lyricLabels[i] = lblLyric;this.Controls.Add(lblLyric);}this.BackgroundImage = Image.FromFile(pics[songPointer]);}
}}
DDD
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 ImageProcessDamon
{
public partial class Form1 : Form
{
//图像处理主界面
public Form1()
{
InitializeComponent();
}
Image imgOriginal;//打开一张图片private void btnOpenimage_Click(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.ShowDialog(); string strFileName = ofd.FileName;imgOriginal = Image.FromFile(strFileName);pictureBox1 .BackgroundImage = imgOriginal;}//底片处理private void button2_Click(object sender, EventArgs e){Bitmap bmp = new Bitmap( imgOriginal);for (int i = 0; i < bmp.Width ; i++) {for (int j = 0; j < bmp.Height ; j ++){//获得原来像素点颜色Color c = bmp.GetPixel(i , j);//改变Color cAfter = Color.FromArgb(255 - c.R, 255 - c.G, 255 - c.B);//设置回去bmp.SetPixel(i, j, cAfter);}}picAfter.BackgroundImage = bmp;}//灰度化private void button2_Click_1(object sender, EventArgs e){Bitmap bmp = new Bitmap(imgOriginal);for (int i = 0; i < bmp.Width; i++){for (int j = 0; j < bmp.Height; j++){//获得原来像素点颜色Color c = bmp.GetPixel(i, j);//改变int gray = (c.R + c.G + c.B) / 3;Color cAfter = Color.FromArgb(gray ,gray ,gray );//设置回去bmp.SetPixel(i, j, cAfter);}}picAfter.BackgroundImage = bmp;}private void btnSave_Click(object sender, EventArgs e){//保存图片SaveFileDialog sfd = new SaveFileDialog();sfd.ShowDialog();picAfter.BackgroundImage.Save (sfd .FileName +".bmp");}private void Form1_Load(object sender, EventArgs e){}private void pictureBox1_Click(object sender, EventArgs e){}private void button3_Click(object sender, EventArgs e){ //以浮雕效果显示图像try{int Height = this.pictureBox1.BackgroundImage.Height;int Width = this.pictureBox1.BackgroundImage.Width;Bitmap newBitmap = new Bitmap(Width, Height);Bitmap oldBitmap = (Bitmap)this.pictureBox1.BackgroundImage;Color pixel1, pixel2;for (int x = 0; x < Width - 1; x++){for (int y = 0; y < Height - 1; y++){int r = 0, g = 0, b = 0;pixel1 = oldBitmap.GetPixel(x, y);pixel2 = oldBitmap.GetPixel(x + 1, y + 1);r = Math.Abs(pixel1.R - pixel2.R + 128);g = Math.Abs(pixel1.G - pixel2.G + 128);b = Math.Abs(pixel1.B - pixel2.B + 128);if (r > 255)r = 255;if (r < 0)r = 0;if (g > 255)g = 255;if (g < 0)g = 0;if (b > 255)b = 255;if (b < 0)b = 0;newBitmap.SetPixel(x, y, Color.FromArgb(r, g, b));}}this.picAfter.BackgroundImage = newBitmap;}catch (Exception ex){MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);}}private void button4_Click(object sender, EventArgs e){//以锐化效果显示图像try{int Height = this.pictureBox1.BackgroundImage.Height;int Width = this.pictureBox1.BackgroundImage.Width;Bitmap newBitmap = new Bitmap(Width, Height);Bitmap oldBitmap = (Bitmap)this.pictureBox1.BackgroundImage;Color pixel;//拉普拉斯模板int[] Laplacian = { -1, -1, -1, -1, 9, -1, -1, -1, -1 };for (int x = 1; x < Width - 1; x++)for (int y = 1; y < Height - 1; y++){int r = 0, g = 0, b = 0;int Index = 0;for (int col = -1; col <= 1; col++)for (int row = -1; row <= 1; row++){pixel = oldBitmap.GetPixel(x + row, y + col); r += pixel.R * Laplacian[Index];g += pixel.G * Laplacian[Index];b += pixel.B * Laplacian[Index];Index++;}//处理颜色值溢出r = r > 255 ? 255 : r;r = r < 0 ? 0 : r;g = g > 255 ? 255 : g;g = g < 0 ? 0 : g;b = b > 255 ? 255 : b;b = b < 0 ? 0 : b;newBitmap.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b));}this.picAfter.BackgroundImage = newBitmap;}catch (Exception ex){MessageBox.Show(ex.Message, "信息提示");}}
}}
EEE
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 Damoncreater
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//定义绘图对象
Graphics g;
int dashOffset;private void Form1_Paint(object sender, PaintEventArgs e){}Point clickPoint;int w;int h;bool isDrawRect;private void Form1_MouseDown(object sender, MouseEventArgs e){}private void Form1_MouseMove(object sender, MouseEventArgs e){}private void Form1_MouseUp(object sender, MouseEventArgs e){}private void timer1_Tick(object sender, EventArgs e){dashOffset++;this.Invalidate();}private void pictureBox1_Paint(object sender, PaintEventArgs e){//实例化绘图对象g = e.Graphics;Pen pen = new Pen(Color.Black, 2);pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;pen.DashPattern = new float[] { 4, 4 };pen.DashOffset = dashOffset;//画一个矩形g.DrawRectangle(pen, clickPoint.X, clickPoint.Y, w, h);Pen pen2 = new Pen(Color.White, 2);pen2.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;pen2.DashPattern = new float[] { 4, 4 };pen2.DashOffset = dashOffset + 4;//画一个矩形g.DrawRectangle(pen2, clickPoint.X, clickPoint.Y, w, h);}private void pictureBox1_MouseDown(object sender, MouseEventArgs e){isDrawRect = true;clickPoint = new Point(e.X, e.Y);}private void pictureBox1_MouseMove(object sender, MouseEventArgs e){if (isDrawRect){w = e.X - clickPoint.X;h = e.Y - clickPoint.Y;g = pictureBox1.CreateGraphics();Pen pen = new Pen(Color.Black, 2);pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;pen.DashPattern = new float[] { 4, 4 };pen.DashOffset = dashOffset;//画一个矩形g.DrawRectangle(pen, clickPoint.X, clickPoint.Y, w, h);Pen pen2 = new Pen(Color.White, 2);pen2.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;pen2.DashPattern = new float[] { 4, 4 };pen2.DashOffset = dashOffset + 4;//画一个矩形g.DrawRectangle(pen2, clickPoint.X, clickPoint.Y, w, h);}}private void pictureBox1_MouseUp(object sender, MouseEventArgs e){isDrawRect = false;//矩形头像Bitmap bmp = new Bitmap(w, h);for (int i = 0; i < w; i++){for (int j = 0; j < h; j++){Color c = bmpOriginal.GetPixel(i + clickPoint.X, j + clickPoint.Y);bmp.SetPixel(i, j, c);}}pictureBox2.BackgroundImage = bmp;//圆形头像}//打开图片文件Bitmap bmpOriginal;private void button1_Click(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.ShowDialog();string imgFileName = ofd.FileName;bmpOriginal = new Bitmap(imgFileName);pictureBox1.BackgroundImage = bmpOriginal;}private void pictureBox2_Click(object sender, EventArgs e){}private void button2_Click(object sender, EventArgs e){//保存图片SaveFileDialog sfd = new SaveFileDialog();sfd.ShowDialog();pictureBox2.BackgroundImage.Save(sfd.FileName + ".bmp");}}}
FFF
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.Drawing2D;
10）
11） namespace Geometry_
12） {
13） public partial class Form1 : Form
14） {
15） public Form1()
16） {
17） InitializeComponent();
18） }
19） List lstGeo = new List();
20） Graphics g;
21） bool isDraw;
22） Color frameColor = Color.Black;
23） Color fillColor = Color.Red;
24） private void Form1_Paint(object sender, PaintEventArgs e)
25） {
26） g = e.Graphics;
27） for (int i = 0; i < lstGeo.Count; i++) {
28） lstGeo[i].Draw(g);
29） }
30） }
31） private void Form1_MouseDown(object sender, MouseEventArgs e)
32） {
33） //按左键则画线
34） if (e.Button == System.Windows.Forms.MouseButtons.Left) {
35） isDraw = true;
36） }
37） //按右键则清除
38） if (e.Button == System.Windows.Forms.MouseButtons.Right)
39） {
40） lstGeo.Clear();
41） this.Invalidate();
42） }
43） //选中D的是矩形
44） if (rbtnRectangle.Checked) {
45） MyRectangle rectangle = new MyRectangle();
46） rectangle.rect.X = e.X;
47） rectangle.rect.Y = e.Y;
48） rectangle.frameColor = frameColor;
49） rectangle.fillColor = fillColor;
50） lstGeo.Add(rectangle);
51） }
52） //选?中D的ì?是o?椭a?圆2
53） else if (rbtnEllipse.Checked)
54） {
55） MyEllipse ellipse = new MyEllipse();
56） ellipse.rect.X = e.X;
57） ellipse.rect.Y = e.Y;
58） ellipse.frameColor = frameColor;
59） ellipse.fillColor = fillColor;
60） lstGeo.Add(ellipse);
61） }
62） //选中D的是自由曲线
63） else if (rbtnFreeLine.Checked)
64） {
65） MyFreeLine freeLine = new MyFreeLine();
66） freeLine.lstPoint.Add(new Point(e.X, e.Y));
67） freeLine.frameColor = frameColor;
68） lstGeo.Add(freeLine);
69） }
70） //选中D的是三角形
71） else if (rbtnTriangle.Checked) {
72） MyTriangle triangle = new MyTriangle();
73） triangle.rect.X = e.X;
74） triangle.rect.Y = e.Y;
75） triangle.frameColor = frameColor;
76） triangle.fillColor = fillColor;
77） lstGeo.Add(triangle);
78） }
79） //选中D的是多边形
80） else if (rbtnPolygon.Checked) {
81） MyPolygon polygon = new MyPolygon();
82） polygon.lstPolygon.Add(new Point(e.X, e.Y));
83） polygon.frameColor = frameColor;
84） polygon.fillColor = fillColor;
85） lstGeo.Add(polygon);
86） }
87） //选中D的是箭头
88） else if (rbtnArraw.Checked)
89） {
90） MyArrow arraw = new MyArrow();
91） arraw.rect.X = e.X;
92） arraw.rect.Y = e.Y;
93） arraw.frameColor = frameColor;
94） arraw.fillColor = fillColor;
95） lstGeo.Add(arraw);
96） }
97） }
98） private void Form1_MouseMove(object sender, MouseEventArgs e)
99） {
100） if (isDraw) {
101） if (rbtnRectangle.Checked)
102） {
103） ((MyRectangle)lstGeo[lstGeo.Count - 1]).rect.Width = e.X - ((MyRectangle)lstGeo[lstGeo.Count - 1]).rect.X;
104） ((MyRectangle)lstGeo[lstGeo.Count - 1]).rect.Height = e.Y - ((MyRectangle)lstGeo[lstGeo.Count - 1]).rect.Y;
105） }
106） else if (rbtnEllipse.Checked) {
107） ((MyEllipse)lstGeo[lstGeo.Count - 1]).rect.Width = e.X - ((MyEllipse)lstGeo[lstGeo.Count - 1]).rect.X;
108） ((MyEllipse)lstGeo[lstGeo.Count - 1]).rect.Height = e.Y - ((MyEllipse)lstGeo[lstGeo.Count - 1]).rect.Y;
109） }else if(rbtnFreeLine.Checked){
110）
111） ((MyFreeLine)lstGeo[lstGeo.Count - 1]).lstPoint.Add(new Point(e.X, e.Y));
112） }
113） else if (rbtnTriangle.Checked) {
114） ((MyTriangle)lstGeo[lstGeo.Count - 1]).rect.Width = e.X - ((MyTriangle)lstGeo[lstGeo.Count - 1]).rect.X;
115） ((MyTriangle)lstGeo[lstGeo.Count - 1]).rect.Height = e.Y - ((MyTriangle)lstGeo[lstGeo.Count - 1]).rect.Y;
116） }
117） else if (rbtnPolygon.Checked) {
118） ((MyPolygon)lstGeo[lstGeo.Count - 1]).lstPolygon.Add(new Point(e.X, e.Y));
119） }
120） else if (rbtnArraw.Checked) {
121） ((MyArrow)lstGeo[lstGeo.Count - 1]).rect.Width = e.X - ((MyArrow)lstGeo[lstGeo.Count - 1]).rect.X;
122） ((MyArrow)lstGeo[lstGeo.Count - 1]).rect.Height = e.Y - ((MyArrow)lstGeo[lstGeo.Count - 1]).rect.Y;
123） }
124） }
125） this.Invalidate();
126） }
127） private void Form1_MouseUp(object sender, MouseEventArgs e)
128） {
129） isDraw = false;
130） }
131） //选择边框颜色
132） private void btnBorderColor_Click(object sender, EventArgs e)
133） {
134） ColorDialog cd = new ColorDialog();
135） cd.ShowDialog();
136） frameColor = cd.Color;
137） }
138） //选择填充颜色
139） private void btnFillColor_Click(object sender, EventArgs e)
140） {
141） ColorDialog cd = new ColorDialog();
142） cd.ShowDialog();
143） fillColor = cd.Color;
144） }
145） private void lblInfo_Click(object sender, EventArgs e)
146） {
147）
148） }
149）
150） private void Form1_Load(object sender, EventArgs e)
151） {
152）
153） }
154） }
155） }
156）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace Geometry_
{
//几何图源的父类
class ParentGeometry
{
public Color frameColor;//边框颜色
//int framewidth;
//public DashStyle frameDashStyle;
public Color fillColor;//填充颜色
//public Rectangle rectBox;
//绘制
public virtual void Draw(Graphics g) { }
}
//矩形
class MyRectangle : ParentGeometry {
public Rectangle rect;
//绘制
public override void Draw(Graphics g) {
Pen pen = new Pen(frameColor, 3);
SolidBrush sb = new SolidBrush(fillColor);
g.DrawRectangle(pen, rect);
g.FillRectangle(sb, rect);
}
}
//椭圆
class MyEllipse : ParentGeometry
{
public Rectangle rect;
//绘制
public override void Draw(Graphics g)
{
Pen pen = new Pen(frameColor, 3);
SolidBrush sb = new SolidBrush(fillColor);
g.DrawEllipse(pen, rect);
g.FillEllipse(sb, rect);
}
}
//三角形
class MyTriangle : ParentGeometry
{
public Rectangle rect;
public override void Draw(Graphics g)
{
Point[] points = new Point[3];
//描绘三角形的三个点的坐标
points[0] = new Point(rect.X + rect.Width / 2, rect.Y);//顶点坐标o
points[1] = new Point(rect.X, rect.Height + rect.Y);
points[2] = new Point(rect.X + rect.Width, rect.Height + rect.Y);
Pen pen = new Pen(frameColor, 3);
g.DrawPolygon(pen, points);
SolidBrush sb = new SolidBrush(fillColor);
g.FillPolygon(sb, points);
}
}
//自由曲线
class MyFreeLine : ParentGeometry {
public List lstPoint =new List();
public override void Draw(Graphics g) {
Pen pen = new Pen(frameColor, 3);
if (lstPoint.Count >= 2) {
g.DrawLines(pen, lstPoint.ToArray());
}
}
}
//多边形
class MyPolygon : ParentGeometry
{
public List lstPolygon =new List();
public override void Draw(Graphics g){Pen pen = new Pen(frameColor, 3);if (lstPolygon.Count >= 5) {g.DrawPolygon(pen, lstPolygon.ToArray());} }
}
//箭头
class MyArrow : ParentGeometry {public Rectangle rect; public override void Draw(Graphics g){Point[] points = new Point[7];points[4] = new Point(rect.X + rect.Width * 3 / 4, rect.Y);points[6] = new Point(rect.X + rect.Width, rect.Y + rect.Height / 2);points[5] = new Point(rect.X + rect.Width * 3 / 4, rect.Y + rect.Height);points[3] = new Point(rect.X + rect.Width * 3 / 4, (rect.Y + rect.Height) * 3 / 4);points[1] = new Point(rect.X, (rect.Y + rect.Height) * 3 / 4);points[0] = new Point(rect.X, (rect.Y + rect.Height) / 4);points[2] = new Point((rect.X + rect.Width) * 3 / 4, (rect.Y + rect.Height) / 4);Pen pen = new Pen(frameColor, 3);SolidBrush sb = new SolidBrush(fillColor); g.DrawPolygon(pen, points);g.FillPolygon(sb, points);}
}}
转载于:https://www.cnblogs.com/Damonblogs/p/9937236.html
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