做自媒体要知道的网站,百度没有排名的点击软件,装修之家网站,试客那个网站做的好✅作者简介#xff1a;大家好#xff0c;我是 Meteors., 向往着更加简洁高效的代码写法与编程方式#xff0c;持续分享Java技术内容。#x1f34e;个人主页#xff1a;Meteors.的博客#x1f49e;当前专栏#xff1a;小项目✨特色专栏#xff1a; 知识分享#x1f96d…✅作者简介大家好我是 Meteors., 向往着更加简洁高效的代码写法与编程方式持续分享Java技术内容。个人主页Meteors.的博客当前专栏小项目✨特色专栏 知识分享本文内容使用C#实现VS窗体应用——画图板 ** ps ** 阅读文章如果有问题或者疑惑欢迎在评论区提问或指出。 目录
一. 界面
二. 绘制图形
三. 修改颜色
四. 铅笔工具
五. 颜料桶
六. 橡皮擦
七. 图像彩色
八. 撤销
九. 重做
十. 文件保存
十一. 文件打开
十二. 套索操作(比较粗糙)
十三. 美白(由RGB更改实现)
十四. 透明(由透明度变化实现)
十五. 源码分享 主要有十三个功能模块1、绘制图形功能 2、编辑颜色功能 3、显示颜色值功能 4、铅笔工具 5、颜料桶填充功能 6、橡皮擦工具功能7、撤销功能8、重做操作功能9、保存文件功能10、打开文件功能11、套索选中像素功能12、选中区域美白功能13、修改像素透明度功能 一. 界面 主要代码
namespace 画图板程序
{partial class Form1{/// summary/// Required designer variable./// /summaryprivate System.ComponentModel.IContainer components null;/// summary/// Clean up any resources being used./// /summary/// param namedisposingtrue if managed resources should be disposed; otherwise, false./paramprotected override void Dispose(bool disposing){if (disposing (components ! null)){components.Dispose();}base.Dispose(disposing);}#region Windows Form Designer generated code/// summary/// Required method for Designer support - do not modify/// the contents of this method with the code editor./// /summaryprivate void InitializeComponent(){System.ComponentModel.ComponentResourceManager resources new System.ComponentModel.ComponentResourceManager(typeof(Form1));btnPen new Button();btnPigmentBucket new Button();button3 new Button();btnEraser new Button();btnColorExtractor new Button();button6 new Button();trackBarWidth new TrackBar();pictureBox1 new PictureBox();tableLayoutPanel1 new TableLayoutPanel();groupBox1 new GroupBox();groupBox2 new GroupBox();comboBox1 new ComboBox();btnDrawEllipse new Button();panel8 new Panel();btnDrawLine new Button();btnDrawDiamond new Button();btnDrawRectangle new Button();btnDrawTriangle new Button();btnDrawHexagon new Button();btnDrawPentagon new Button();btnDrawCircle new Button();panelColor new Panel();btnYellow new TableLayoutPanel();label1 new Label();tableLayoutPanel4 new TableLayoutPanel();rbtnBlack new RoundButton();rbtnWhite new RoundButton();rbtnGray new RoundButton();rbtnGreen new RoundButton();rbtnRed new RoundButton();rbtnLightBlue new RoundButton();rBtnOrange new RoundButton();rbtnBlue new RoundButton();rbtnYellow new RoundButton();rbtnPurple new RoundButton();panel1 new Panel();btnSelectColor new RoundButton();panel6 new Panel();panel7 new Panel();tableLayoutPanel3 new TableLayoutPanel();labelColor2 new Label();panelCurColor1 new Panel();rbtnCurColor2 new RoundButton();panelCurColor2 new Panel();rbtnCurColor new RoundButton();labelColor1 new Label();groupBox3 new GroupBox();button5 new Button();button2 new Button();button1 new Button();button4 new Button();btnChangeOpacity new Button();btnWhiten new Button();btnLasso new Button();panelBoundaryLine new Panel();groupBox4 new GroupBox();panel10 new Panel();btnRedo new Button();btnUndo new Button();roundButton11 new RoundButton();colorDialog1 new ColorDialog();panelDrawingArea new Panel();tableLayoutPanel2 new TableLayoutPanel();menuStrip1 new MenuStrip();文件ToolStripMenuItem new ToolStripMenuItem();导入ToolStripMenuItem new ToolStripMenuItem();导出ToolStripMenuItem new ToolStripMenuItem();编辑ToolStripMenuItem new ToolStripMenuItem();复制ToolStripMenuItem new ToolStripMenuItem();剪切CtrlXToolStripMenuItem new ToolStripMenuItem();粘贴CtrlvToolStripMenuItem new ToolStripMenuItem();旋转ToolStripMenuItem new ToolStripMenuItem();顺时针旋转90ToolStripMenuItem new ToolStripMenuItem();顺时针旋转180ToolStripMenuItem new ToolStripMenuItem();逆时针旋转90ToolStripMenuItem new ToolStripMenuItem();逆时针旋转180ToolStripMenuItem new ToolStripMenuItem();查看ToolStripMenuItem new ToolStripMenuItem();保存ToolStripMenuItem new ToolStripMenuItem();panel2 new Panel();panel5 new Panel();buttonSizeFitWindow new Button();comboBoxCanvasSize new ComboBox();trackBarCanvasSize new TrackBar();btnBottomShrink new Button();btnBottomEnlarge new Button();panelButtomLeft2 new Panel();panel4 new Panel();labelColorB new Label();panelB new Panel();labelColorG new Label();label2 new Label();labelColorR new Label();panelG new Panel();panelR new Panel();panelButtomLeft1 new Panel();panel3 new Panel();labelYShow new Label();labelY new Label();labelXShow new Label();labelCoordinate new Label();labelX new Label();((System.ComponentModel.ISupportInitialize)trackBarWidth).BeginInit();((System.ComponentModel.ISupportInitialize)pictureBox1).BeginInit();tableLayoutPanel1.SuspendLayout();groupBox1.SuspendLayout();groupBox2.SuspendLayout();panelColor.SuspendLayout();btnYellow.SuspendLayout();tableLayoutPanel4.SuspendLayout();panel1.SuspendLayout();panel6.SuspendLayout();tableLayoutPanel3.SuspendLayout();panelCurColor1.SuspendLayout();panelCurColor2.SuspendLayout();groupBox3.SuspendLayout();groupBox4.SuspendLayout();panelDrawingArea.SuspendLayout();tableLayoutPanel2.SuspendLayout();menuStrip1.SuspendLayout();panel2.SuspendLayout();panel5.SuspendLayout();((System.ComponentModel.ISupportInitialize)trackBarCanvasSize).BeginInit();panelButtomLeft2.SuspendLayout();panelButtomLeft1.SuspendLayout();SuspendLayout();// // btnPen// btnPen.Image Properties.Resources.qianbi2;btnPen.Location new Point(6, 30);btnPen.Name btnPen;btnPen.Size new Size(54, 50);btnPen.TabIndex 0;btnPen.UseVisualStyleBackColor true;btnPen.Click BtnStartDrawing_Click;// // btnPigmentBucket// btnPigmentBucket.Image (Image)resources.GetObject(btnPigmentBucket.Image);btnPigmentBucket.Location new Point(80, 30);btnPigmentBucket.Name btnPigmentBucket;btnPigmentBucket.Size new Size(54, 50);btnPigmentBucket.TabIndex 1;btnPigmentBucket.UseVisualStyleBackColor true;btnPigmentBucket.Click button2_Click;// // button3// button3.Image (Image)resources.GetObject(button3.Image);button3.Location new Point(151, 30);button3.Name button3;button3.Size new Size(54, 50);button3.TabIndex 2;button3.UseVisualStyleBackColor true;button3.Click button3_Click;// // btnEraser// btnEraser.Image (Image)resources.GetObject(btnEraser.Image);btnEraser.Location new Point(6, 88);btnEraser.Name btnEraser;btnEraser.Size new Size(54, 50);btnEraser.TabIndex 3;btnEraser.UseVisualStyleBackColor true;btnEraser.Click BtnEraser_Click;// // btnColorExtractor// btnColorExtractor.Image (Image)resources.GetObject(btnColorExtractor.Image);btnColorExtractor.Location new Point(80, 88);btnColorExtractor.Name btnColorExtractor;btnColorExtractor.Size new Size(54, 50);btnColorExtractor.TabIndex 4;btnColorExtractor.UseVisualStyleBackColor true;btnColorExtractor.Click btnColorExtractor_Click;// // button6// button6.Image Properties.Resources.fangdajing1;button6.Location new Point(151, 88);button6.Name button6;button6.Size new Size(54, 50);button6.TabIndex 5;button6.UseVisualStyleBackColor true;button6.Click button6_Click;// // trackBarWidth// trackBarWidth.BackColor Color.FromArgb(192, 192, 255);trackBarWidth.Location new Point(3, 37);trackBarWidth.Name trackBarWidth;trackBarWidth.Orientation Orientation.Vertical;trackBarWidth.Size new Size(33, 264);trackBarWidth.TabIndex 8;trackBarWidth.Scroll TrackBarWidth_Scroll;// // pictureBox1// pictureBox1.BackColor Color.FromArgb(192, 192, 255);pictureBox1.Image (Image)resources.GetObject(pictureBox1.Image);pictureBox1.Location new Point(3, 3);pictureBox1.Name pictureBox1;pictureBox1.Size new Size(31, 28);pictureBox1.TabIndex 9;pictureBox1.TabStop false;// // tableLayoutPanel1// tableLayoutPanel1.ColumnCount 6;tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 22.58F));tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 14.29F));tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 21.29F));tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 24.29F));tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 14.29F));tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 3.29F));tableLayoutPanel1.Controls.Add(groupBox1, 1, 0);tableLayoutPanel1.Controls.Add(groupBox2, 2, 0);tableLayoutPanel1.Controls.Add(panelColor, 3, 0);tableLayoutPanel1.Controls.Add(groupBox3, 0, 0);tableLayoutPanel1.Controls.Add(groupBox4, 4, 0);tableLayoutPanel1.Dock DockStyle.Top;tableLayoutPanel1.Location new Point(0, 32);tableLayoutPanel1.Name tableLayoutPanel1;tableLayoutPanel1.RowCount 1;tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));tableLayoutPanel1.Size new Size(2046, 147);tableLayoutPanel1.TabIndex 10;tableLayoutPanel1.Paint tableLayoutPanel1_Paint_1;// // groupBox1// groupBox1.Controls.Add(button6);groupBox1.Controls.Add(btnEraser);groupBox1.Controls.Add(button3);groupBox1.Controls.Add(btnColorExtractor);groupBox1.Controls.Add(btnPen);groupBox1.Controls.Add(btnPigmentBucket);groupBox1.Location new Point(464, 3);groupBox1.Name groupBox1;groupBox1.Size new Size(216, 141);groupBox1.TabIndex 6;groupBox1.TabStop false;groupBox1.Text 工具;// // groupBox2// groupBox2.BackColor Color.FromArgb(192, 192, 255);groupBox2.Controls.Add(comboBox1);groupBox2.Controls.Add(btnDrawEllipse);groupBox2.Controls.Add(panel8);groupBox2.Controls.Add(btnDrawLine);groupBox2.Controls.Add(btnDrawDiamond);groupBox2.Controls.Add(btnDrawRectangle);groupBox2.Controls.Add(btnDrawTriangle);groupBox2.Controls.Add(btnDrawHexagon);groupBox2.Controls.Add(btnDrawPentagon);groupBox2.Controls.Add(btnDrawCircle);groupBox2.Location new Point(756, 3);groupBox2.Name groupBox2;groupBox2.Size new Size(429, 141);groupBox2.TabIndex 7;groupBox2.TabStop false;groupBox2.Text 形状;// // comboBox1// comboBox1.DropDownStyle ComboBoxStyle.DropDownList;comboBox1.FormattingEnabled true;comboBox1.Location new Point(286, 29);comboBox1.Name comboBox1;comboBox1.Size new Size(120, 32);comboBox1.TabIndex 8;comboBox1.SelectedIndexChanged comboBox1_SelectedIndexChanged;// // btnDrawEllipse// btnDrawEllipse.Image Properties.Resources.ellipse1;btnDrawEllipse.Location new Point(30, 86);btnDrawEllipse.Name btnDrawEllipse;btnDrawEllipse.Size new Size(52, 40);btnDrawEllipse.TabIndex 0;btnDrawEllipse.UseVisualStyleBackColor true;btnDrawEllipse.Click btnDrawEllipse_Click;// // panel8// panel8.BackColor Color.Gray;panel8.Location new Point(265, 18);panel8.Name panel8;panel8.Size new Size(1, 116);panel8.TabIndex 12;// // btnDrawLine// btnDrawLine.Image Properties.Resources.line1;btnDrawLine.Location new Point(30, 40);btnDrawLine.Name btnDrawLine;btnDrawLine.Size new Size(52, 40);btnDrawLine.TabIndex 2;btnDrawLine.UseVisualStyleBackColor true;btnDrawLine.Click btnDrawLine_Click;// // btnDrawDiamond// btnDrawDiamond.Image Properties.Resources.tubiao1;btnDrawDiamond.Location new Point(204, 86);btnDrawDiamond.Name btnDrawDiamond;btnDrawDiamond.Size new Size(52, 40);btnDrawDiamond.TabIndex 7;btnDrawDiamond.UseVisualStyleBackColor true;btnDrawDiamond.Click btnDrawDiamond_Click;// // btnDrawRectangle// btnDrawRectangle.Image Properties.Resources.juxing1;btnDrawRectangle.Location new Point(146, 40);btnDrawRectangle.Name btnDrawRectangle;btnDrawRectangle.Size new Size(52, 40);btnDrawRectangle.TabIndex 1;btnDrawRectangle.UseVisualStyleBackColor true;// // btnDrawTriangle// btnDrawTriangle.Image Properties.Resources.xingzhuang_sanjiaoxing1;btnDrawTriangle.Location new Point(88, 40);btnDrawTriangle.Name btnDrawTriangle;btnDrawTriangle.Size new Size(52, 40);btnDrawTriangle.TabIndex 6;btnDrawTriangle.UseVisualStyleBackColor true;btnDrawTriangle.Click btnDrawTriangle_Click;// // btnDrawHexagon// btnDrawHexagon.Image Properties.Resources.tx_liubianxing1;btnDrawHexagon.Location new Point(146, 86);btnDrawHexagon.Name btnDrawHexagon;btnDrawHexagon.Size new Size(52, 40);btnDrawHexagon.TabIndex 5;btnDrawHexagon.UseVisualStyleBackColor true;btnDrawHexagon.Click btnDrawHexagon_Click;// // btnDrawPentagon// btnDrawPentagon.Image Properties.Resources.pentagon_1;btnDrawPentagon.Location new Point(88, 86);btnDrawPentagon.Name btnDrawPentagon;btnDrawPentagon.Size new Size(52, 40);btnDrawPentagon.TabIndex 3;btnDrawPentagon.UseVisualStyleBackColor true;btnDrawPentagon.Click btnDrawPentagon_Click;// // btnDrawCircle// btnDrawCircle.Image Properties.Resources.radio_on1;btnDrawCircle.Location new Point(204, 40);btnDrawCircle.Name btnDrawCircle;btnDrawCircle.Size new Size(52, 40);btnDrawCircle.TabIndex 4;btnDrawCircle.UseVisualStyleBackColor true;btnDrawCircle.Click btnDrawCircle_Click;// // panelColor// panelColor.BorderStyle BorderStyle.FixedSingle;panelColor.Controls.Add(btnYellow);panelColor.Dock DockStyle.Fill;panelColor.Location new Point(1191, 3);panelColor.Name panelColor;panelColor.Size new Size(490, 141);panelColor.TabIndex 10;panelColor.Paint panelColor_Paint;// // btnYellow// btnYellow.ColumnCount 2;btnYellow.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 25.2049179F));btnYellow.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 74.79508F));btnYellow.Controls.Add(label1, 1, 1);btnYellow.Controls.Add(tableLayoutPanel4, 2, 0);btnYellow.Controls.Add(panel1, 0, 1);btnYellow.Controls.Add(panel6, 0, 0);btnYellow.Dock DockStyle.Fill;btnYellow.ForeColor SystemColors.ControlText;btnYellow.Location new Point(0, 0);btnYellow.Name btnYellow;btnYellow.RowCount 2;btnYellow.RowStyles.Add(new RowStyle(SizeType.Percent, 63.3802834F));btnYellow.RowStyles.Add(new RowStyle(SizeType.Percent, 36.6197166F));btnYellow.RowStyles.Add(new RowStyle(SizeType.Absolute, 20F));btnYellow.Size new Size(488, 139);btnYellow.TabIndex 8;btnYellow.Paint btnYellow_Paint;// // label1// label1.AutoSize true;label1.Dock DockStyle.Fill;label1.Location new Point(126, 88);label1.Name label1;label1.Size new Size(359, 51);label1.TabIndex 0;label1.Text 选择;label1.TextAlign ContentAlignment.MiddleCenter;// // tableLayoutPanel4// tableLayoutPanel4.BackColor Color.FromArgb(192, 192, 255);tableLayoutPanel4.ColumnCount 5;tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 20F));tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 20F));tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 20F));tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 20F));tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 20F));tableLayoutPanel4.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 20F));tableLayoutPanel4.Controls.Add(rbtnBlack, 0, 0);tableLayoutPanel4.Controls.Add(rbtnWhite, 0, 1);tableLayoutPanel4.Controls.Add(rbtnGray, 1, 0);tableLayoutPanel4.Controls.Add(rbtnGreen, 1, 1);tableLayoutPanel4.Controls.Add(rbtnRed, 2, 0);tableLayoutPanel4.Controls.Add(rbtnLightBlue, 2, 1);tableLayoutPanel4.Controls.Add(rBtnOrange, 3, 0);tableLayoutPanel4.Controls.Add(rbtnBlue, 3, 1);tableLayoutPanel4.Controls.Add(rbtnYellow, 4, 0);tableLayoutPanel4.Controls.Add(rbtnPurple, 4, 1);tableLayoutPanel4.Location new Point(126, 3);tableLayoutPanel4.Name tableLayoutPanel4;tableLayoutPanel4.RowCount 2;tableLayoutPanel4.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));tableLayoutPanel4.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));tableLayoutPanel4.RowStyles.Add(new RowStyle(SizeType.Absolute, 20F));tableLayoutPanel4.Size new Size(359, 82);tableLayoutPanel4.TabIndex 2;tableLayoutPanel4.Paint tableLayoutPanel4_Paint;// // rbtnBlack// rbtnBlack.BackColor Color.Black;rbtnBlack.BorderColor Color.White;rbtnBlack.Dock DockStyle.Fill;rbtnBlack.FlatAppearance.BorderSize 0;rbtnBlack.FlatStyle FlatStyle.Flat;rbtnBlack.Location new Point(3, 3);rbtnBlack.Name rbtnBlack;rbtnBlack.Size new Size(35, 35);rbtnBlack.TabIndex 0;rbtnBlack.UseVisualStyleBackColor false;// // rbtnWhite// rbtnWhite.AutoSize true;rbtnWhite.BackColor Color.White;rbtnWhite.BorderColor Color.White;rbtnWhite.Dock DockStyle.Fill;rbtnWhite.FlatAppearance.BorderSize 0;rbtnWhite.FlatStyle FlatStyle.Flat;rbtnWhite.Location new Point(3, 44);rbtnWhite.Name rbtnWhite;rbtnWhite.Size new Size(35, 35);rbtnWhite.TabIndex 1;rbtnWhite.UseVisualStyleBackColor false;// // rbtnGray// rbtnGray.BackColor Color.Silver;rbtnGray.BorderColor Color.White;rbtnGray.Dock DockStyle.Fill;rbtnGray.FlatAppearance.BorderSize 0;rbtnGray.FlatStyle FlatStyle.Flat;rbtnGray.Location new Point(74, 3);rbtnGray.Name rbtnGray;rbtnGray.Size new Size(35, 35);rbtnGray.TabIndex 2;rbtnGray.UseVisualStyleBackColor false;// // rbtnGreen// rbtnGreen.BackColor Color.Lime;rbtnGreen.BorderColor Color.White;rbtnGreen.Dock DockStyle.Fill;rbtnGreen.FlatAppearance.BorderSize 0;rbtnGreen.FlatStyle FlatStyle.Flat;rbtnGreen.Location new Point(74, 44);rbtnGreen.Name rbtnGreen;rbtnGreen.Size new Size(35, 35);rbtnGreen.TabIndex 3;rbtnGreen.UseVisualStyleBackColor false;// // rbtnRed// rbtnRed.BackColor Color.Red;rbtnRed.BorderColor Color.White;rbtnRed.Dock DockStyle.Fill;rbtnRed.FlatAppearance.BorderSize 0;rbtnRed.FlatStyle FlatStyle.Flat;rbtnRed.Location new Point(145, 3);rbtnRed.Name rbtnRed;rbtnRed.Size new Size(35, 35);rbtnRed.TabIndex 4;rbtnRed.UseVisualStyleBackColor false;// // rbtnLightBlue// rbtnLightBlue.BackColor Color.Cyan;rbtnLightBlue.BorderColor Color.White;rbtnLightBlue.Dock DockStyle.Fill;rbtnLightBlue.FlatAppearance.BorderSize 0;rbtnLightBlue.FlatStyle FlatStyle.Flat;rbtnLightBlue.Location new Point(145, 44);rbtnLightBlue.Name rbtnLightBlue;rbtnLightBlue.Size new Size(35, 35);rbtnLightBlue.TabIndex 5;rbtnLightBlue.UseVisualStyleBackColor false;// // rBtnOrange// rBtnOrange.BackColor Color.FromArgb(255, 128, 0);rBtnOrange.BorderColor Color.White;rBtnOrange.Dock DockStyle.Fill;rBtnOrange.FlatAppearance.BorderSize 0;rBtnOrange.FlatStyle FlatStyle.Flat;rBtnOrange.Location new Point(216, 3);rBtnOrange.Name rBtnOrange;rBtnOrange.Size new Size(35, 35);rBtnOrange.TabIndex 6;rBtnOrange.UseVisualStyleBackColor false;// // rbtnBlue// rbtnBlue.BackColor Color.Blue;rbtnBlue.BorderColor Color.White;rbtnBlue.Dock DockStyle.Fill;rbtnBlue.FlatAppearance.BorderSize 0;rbtnBlue.FlatStyle FlatStyle.Flat;rbtnBlue.Location new Point(216, 44);rbtnBlue.Name rbtnBlue;rbtnBlue.Size new Size(35, 35);rbtnBlue.TabIndex 7;rbtnBlue.UseVisualStyleBackColor false;// // rbtnYellow// rbtnYellow.BackColor Color.Yellow;rbtnYellow.BorderColor Color.White;rbtnYellow.Dock DockStyle.Fill;rbtnYellow.FlatAppearance.BorderSize 0;rbtnYellow.FlatStyle FlatStyle.Flat;rbtnYellow.Location new Point(287, 3);rbtnYellow.Name rbtnYellow;rbtnYellow.Size new Size(35, 35);rbtnYellow.TabIndex 8;rbtnYellow.UseVisualStyleBackColor false;// // rbtnPurple// rbtnPurple.BackColor Color.Fuchsia;rbtnPurple.BorderColor Color.White;rbtnPurple.Dock DockStyle.Fill;rbtnPurple.FlatAppearance.BorderSize 0;rbtnPurple.FlatStyle FlatStyle.Flat;rbtnPurple.Location new Point(287, 44);rbtnPurple.Name rbtnPurple;rbtnPurple.Size new Size(35, 35);rbtnPurple.TabIndex 9;rbtnPurple.UseVisualStyleBackColor false;// // panel1// panel1.Controls.Add(btnSelectColor);panel1.Dock DockStyle.Fill;panel1.Location new Point(3, 91);panel1.Name panel1;panel1.Size new Size(117, 45);panel1.TabIndex 3;// // btnSelectColor// btnSelectColor.BackColor Color.Transparent;btnSelectColor.BorderColor Color.White;btnSelectColor.FlatAppearance.BorderSize 0;btnSelectColor.FlatStyle FlatStyle.Flat;btnSelectColor.Image (Image)resources.GetObject(btnSelectColor.Image);btnSelectColor.Location new Point(39, 1);btnSelectColor.Name btnSelectColor;btnSelectColor.Size new Size(44, 44);btnSelectColor.TabIndex 0;btnSelectColor.UseVisualStyleBackColor false;btnSelectColor.Click btnSelectColor_Click;// // panel6// panel6.Controls.Add(panel7);panel6.Controls.Add(tableLayoutPanel3);panel6.Location new Point(3, 3);panel6.Name panel6;panel6.Size new Size(117, 82);panel6.TabIndex 4;// // panel7// panel7.BackColor Color.Black;panel7.Dock DockStyle.Right;panel7.Location new Point(116, 0);panel7.Name panel7;panel7.Size new Size(1, 82);panel7.TabIndex 13;// // tableLayoutPanel3// tableLayoutPanel3.ColumnCount 2;tableLayoutPanel3.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));tableLayoutPanel3.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 49F));tableLayoutPanel3.Controls.Add(labelColor2, 0, 1);tableLayoutPanel3.Controls.Add(panelCurColor1, 1, 1);tableLayoutPanel3.Controls.Add(panelCurColor2, 1, 0);tableLayoutPanel3.Controls.Add(labelColor1, 0, 0);tableLayoutPanel3.Location new Point(-3, 0);tableLayoutPanel3.Name tableLayoutPanel3;tableLayoutPanel3.RowCount 2;tableLayoutPanel3.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));tableLayoutPanel3.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));tableLayoutPanel3.Size new Size(123, 86);tableLayoutPanel3.TabIndex 1;// // labelColor2// labelColor2.AutoSize true;labelColor2.Dock DockStyle.Fill;labelColor2.Location new Point(3, 43);labelColor2.Name labelColor2;labelColor2.Size new Size(68, 43);labelColor2.TabIndex 12;labelColor2.Text 颜色2:;labelColor2.TextAlign ContentAlignment.MiddleCenter;// // panelCurColor1// panelCurColor1.Controls.Add(rbtnCurColor2);panelCurColor1.Location new Point(77, 46);panelCurColor1.Name panelCurColor1;panelCurColor1.Size new Size(37, 37);panelCurColor1.TabIndex 0;// // rbtnCurColor2// rbtnCurColor2.AutoSize true;rbtnCurColor2.BackColor Color.FromArgb(255, 192, 255);rbtnCurColor2.BorderColor Color.White;rbtnCurColor2.Dock DockStyle.Fill;rbtnCurColor2.FlatAppearance.BorderSize 0;rbtnCurColor2.FlatStyle FlatStyle.Flat;rbtnCurColor2.Location new Point(0, 0);rbtnCurColor2.Name rbtnCurColor2;rbtnCurColor2.Size new Size(37, 37);rbtnCurColor2.TabIndex 2;rbtnCurColor2.UseVisualStyleBackColor false;rbtnCurColor2.Click rbtnCurColor_Click2_Click;// // panelCurColor2// panelCurColor2.Controls.Add(rbtnCurColor);panelCurColor2.Location new Point(77, 3);panelCurColor2.Name panelCurColor2;panelCurColor2.Size new Size(37, 37);panelCurColor2.TabIndex 1;// // rbtnCurColor// rbtnCurColor.BackColor Color.Black;rbtnCurColor.BorderColor Color.White;rbtnCurColor.Dock DockStyle.Fill;rbtnCurColor.FlatAppearance.BorderSize 0;rbtnCurColor.FlatStyle FlatStyle.Flat;rbtnCurColor.Location new Point(0, 0);rbtnCurColor.Name rbtnCurColor;rbtnCurColor.Size new Size(37, 37);rbtnCurColor.TabIndex 1;rbtnCurColor.UseVisualStyleBackColor false;rbtnCurColor.Click rbtnCurColor_Click;// // labelColor1// labelColor1.AutoSize true;labelColor1.Dock DockStyle.Fill;labelColor1.Location new Point(3, 0);labelColor1.Name labelColor1;labelColor1.Size new Size(68, 43);labelColor1.TabIndex 11;labelColor1.Text 颜色1:;labelColor1.TextAlign ContentAlignment.MiddleCenter;labelColor1.Click labelColor1_Click;// // groupBox3// groupBox3.Controls.Add(button5);groupBox3.Controls.Add(button2);groupBox3.Controls.Add(button1);groupBox3.Controls.Add(button4);groupBox3.Controls.Add(btnChangeOpacity);groupBox3.Controls.Add(btnWhiten);groupBox3.Controls.Add(btnLasso);groupBox3.Controls.Add(panelBoundaryLine);groupBox3.Dock DockStyle.Left;groupBox3.Location new Point(3, 3);groupBox3.Name groupBox3;groupBox3.Size new Size(455, 141);groupBox3.TabIndex 11;groupBox3.TabStop false;groupBox3.Text 套索;// // button5// button5.Image (Image)resources.GetObject(button5.Image);button5.Location new Point(364, 82);button5.Name button5;button5.Size new Size(73, 43);button5.TabIndex 14;button5.UseVisualStyleBackColor true;button5.Click button5_Click_1;// // button2// button2.Image (Image)resources.GetObject(button2.Image);button2.Location new Point(276, 83);button2.Name button2;button2.Size new Size(73, 43);button2.TabIndex 13;button2.UseVisualStyleBackColor true;// // button1// button1.Image (Image)resources.GetObject(button1.Image);button1.Location new Point(364, 24);button1.Name button1;button1.Size new Size(73, 43);button1.TabIndex 12;button1.UseVisualStyleBackColor true;button1.Click button1_Click_2;// // button4// button4.Image (Image)resources.GetObject(button4.Image);button4.Location new Point(276, 24);button4.Name button4;button4.Size new Size(73, 43);button4.TabIndex 11;button4.UseVisualStyleBackColor true;button4.Click button4_Click_1;// // btnChangeOpacity// btnChangeOpacity.Image (Image)resources.GetObject(btnChangeOpacity.Image);btnChangeOpacity.Location new Point(159, 82);btnChangeOpacity.Name btnChangeOpacity;btnChangeOpacity.Size new Size(80, 54);btnChangeOpacity.TabIndex 2;btnChangeOpacity.UseVisualStyleBackColor true;btnChangeOpacity.Click btnChangeOpacity_Click;// // btnWhiten// btnWhiten.Image (Image)resources.GetObject(btnWhiten.Image);btnWhiten.Location new Point(159, 18);btnWhiten.Name btnWhiten;btnWhiten.Size new Size(80, 54);btnWhiten.TabIndex 1;btnWhiten.UseVisualStyleBackColor true;btnWhiten.Click btnWhiten_Click;// // btnLasso// btnLasso.BackColor Color.White;btnLasso.Image (Image)resources.GetObject(btnLasso.Image);btnLasso.Location new Point(26, 40);btnLasso.Name btnLasso;btnLasso.Size new Size(107, 74);btnLasso.TabIndex 0;btnLasso.UseVisualStyleBackColor false;btnLasso.Click btnLasso_Click;// // panelBoundaryLine// panelBoundaryLine.BackColor Color.Gray;panelBoundaryLine.Location new Point(255, 18);panelBoundaryLine.Name panelBoundaryLine;panelBoundaryLine.Size new Size(1, 116);panelBoundaryLine.TabIndex 11;// // groupBox4// groupBox4.Controls.Add(panel10);groupBox4.Controls.Add(btnRedo);groupBox4.Controls.Add(btnUndo);groupBox4.Location new Point(1687, 3);groupBox4.Name groupBox4;groupBox4.Size new Size(250, 126);groupBox4.TabIndex 12;groupBox4.TabStop false;groupBox4.Text 操作;// // panel10// panel10.BackColor Color.Gray;panel10.Location new Point(123, 24);panel10.Name panel10;panel10.Size new Size(1, 88);panel10.TabIndex 12;// // btnRedo// btnRedo.Image (Image)resources.GetObject(btnRedo.Image);btnRedo.Location new Point(146, 40);btnRedo.Name btnRedo;btnRedo.Size new Size(96, 68);btnRedo.TabIndex 1;btnRedo.UseVisualStyleBackColor true;btnRedo.Click BtnRedo_Click;// // btnUndo// btnUndo.Image (Image)resources.GetObject(btnUndo.Image);btnUndo.Location new Point(6, 40);btnUndo.Name btnUndo;btnUndo.Size new Size(96, 68);btnUndo.TabIndex 0;btnUndo.UseVisualStyleBackColor true;btnUndo.Click BtnUndo_Click;// // roundButton11// roundButton11.BackColor Color.Transparent;roundButton11.BorderColor Color.White;roundButton11.FlatStyle FlatStyle.Flat;roundButton11.Location new Point(0, 0);roundButton11.Name roundButton11;roundButton11.Size new Size(75, 23);roundButton11.TabIndex 0;roundButton11.UseVisualStyleBackColor false;// // panelDrawingArea// panelDrawingArea.Anchor AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;panelDrawingArea.AutoScroll true;panelDrawingArea.BackColor Color.White;panelDrawingArea.Controls.Add(tableLayoutPanel2);panelDrawingArea.Location new Point(0, 178);panelDrawingArea.Margin new Padding(0, 32, 0, 0);panelDrawingArea.Name panelDrawingArea;panelDrawingArea.Size new Size(2046, 1002);panelDrawingArea.TabIndex 6;panelDrawingArea.Paint panel1_Paint;// // tableLayoutPanel2// tableLayoutPanel2.ColumnCount 1;tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));tableLayoutPanel2.Controls.Add(trackBarWidth, 0, 1);tableLayoutPanel2.Controls.Add(pictureBox1, 0, 0);tableLayoutPanel2.Location new Point(3, 214);tableLayoutPanel2.Name tableLayoutPanel2;tableLayoutPanel2.RowCount 2;tableLayoutPanel2.RowStyles.Add(new RowStyle(SizeType.Percent, 11.43695F));tableLayoutPanel2.RowStyles.Add(new RowStyle(SizeType.Percent, 88.56305F));tableLayoutPanel2.Size new Size(39, 304);tableLayoutPanel2.TabIndex 10;// // menuStrip1// menuStrip1.ImageScalingSize new Size(24, 24);menuStrip1.Items.AddRange(new ToolStripItem[] { 文件ToolStripMenuItem, 编辑ToolStripMenuItem, 查看ToolStripMenuItem, 保存ToolStripMenuItem });menuStrip1.Location new Point(0, 0);menuStrip1.Name menuStrip1;menuStrip1.Size new Size(2046, 32);menuStrip1.TabIndex 11;menuStrip1.Text menuStrip1;menuStrip1.ItemClicked menuStrip1_ItemClicked;// // 文件ToolStripMenuItem// 文件ToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { 导入ToolStripMenuItem, 导出ToolStripMenuItem });文件ToolStripMenuItem.Name 文件ToolStripMenuItem;文件ToolStripMenuItem.Size new Size(84, 28);文件ToolStripMenuItem.Text 文件(F);// // 导入ToolStripMenuItem// 导入ToolStripMenuItem.Name 导入ToolStripMenuItem;导入ToolStripMenuItem.Size new Size(251, 34);导入ToolStripMenuItem.Text 打开文件 CtrlO;导入ToolStripMenuItem.Click openFile;// // 导出ToolStripMenuItem// 导出ToolStripMenuItem.Name 导出ToolStripMenuItem;导出ToolStripMenuItem.Size new Size(251, 34);导出ToolStripMenuItem.Text 保存文件 CtrlS;导出ToolStripMenuItem.Click saveFile;// // 编辑ToolStripMenuItem// 编辑ToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { 复制ToolStripMenuItem, 剪切CtrlXToolStripMenuItem, 粘贴CtrlvToolStripMenuItem, 旋转ToolStripMenuItem });编辑ToolStripMenuItem.Name 编辑ToolStripMenuItem;编辑ToolStripMenuItem.Size new Size(62, 28);编辑ToolStripMenuItem.Text 编辑;// // 复制ToolStripMenuItem// 复制ToolStripMenuItem.Name 复制ToolStripMenuItem;复制ToolStripMenuItem.Size new Size(209, 34);复制ToolStripMenuItem.Text 复制 Ctrlc;// // 剪切CtrlXToolStripMenuItem// 剪切CtrlXToolStripMenuItem.Name 剪切CtrlXToolStripMenuItem;剪切CtrlXToolStripMenuItem.Size new Size(209, 34);剪切CtrlXToolStripMenuItem.Text 剪切 Ctrlx;// // 粘贴CtrlvToolStripMenuItem// 粘贴CtrlvToolStripMenuItem.Name 粘贴CtrlvToolStripMenuItem;粘贴CtrlvToolStripMenuItem.Size new Size(209, 34);粘贴CtrlvToolStripMenuItem.Text 粘贴 Ctrlv;// // 旋转ToolStripMenuItem// 旋转ToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { 顺时针旋转90ToolStripMenuItem, 顺时针旋转180ToolStripMenuItem, 逆时针旋转90ToolStripMenuItem, 逆时针旋转180ToolStripMenuItem });旋转ToolStripMenuItem.Name 旋转ToolStripMenuItem;旋转ToolStripMenuItem.Size new Size(209, 34);旋转ToolStripMenuItem.Text 旋转;// // 顺时针旋转90ToolStripMenuItem// 顺时针旋转90ToolStripMenuItem.Name 顺时针旋转90ToolStripMenuItem;顺时针旋转90ToolStripMenuItem.Size new Size(240, 34);顺时针旋转90ToolStripMenuItem.Text 顺时针旋转90°;// // 顺时针旋转180ToolStripMenuItem// 顺时针旋转180ToolStripMenuItem.Name 顺时针旋转180ToolStripMenuItem;顺时针旋转180ToolStripMenuItem.Size new Size(240, 34);顺时针旋转180ToolStripMenuItem.Text 顺时针旋转180°;// // 逆时针旋转90ToolStripMenuItem// 逆时针旋转90ToolStripMenuItem.Name 逆时针旋转90ToolStripMenuItem;逆时针旋转90ToolStripMenuItem.Size new Size(240, 34);逆时针旋转90ToolStripMenuItem.Text 逆时针旋转90°;// // 逆时针旋转180ToolStripMenuItem// 逆时针旋转180ToolStripMenuItem.Name 逆时针旋转180ToolStripMenuItem;逆时针旋转180ToolStripMenuItem.Size new Size(240, 34);逆时针旋转180ToolStripMenuItem.Text 逆时针旋转180°;// // 查看ToolStripMenuItem// 查看ToolStripMenuItem.Name 查看ToolStripMenuItem;查看ToolStripMenuItem.Size new Size(62, 28);查看ToolStripMenuItem.Text 查看;// // 保存ToolStripMenuItem// 保存ToolStripMenuItem.Name 保存ToolStripMenuItem;保存ToolStripMenuItem.Size new Size(62, 28);保存ToolStripMenuItem.Text 保存;// // panel2// panel2.BackColor Color.FromArgb(192, 192, 255);panel2.Controls.Add(panel5);panel2.Controls.Add(panelButtomLeft2);panel2.Controls.Add(panelButtomLeft1);panel2.Dock DockStyle.Bottom;panel2.Location new Point(0, 1180);panel2.Name panel2;panel2.Size new Size(2046, 65);panel2.TabIndex 12;// // panel5// panel5.Controls.Add(buttonSizeFitWindow);panel5.Controls.Add(comboBoxCanvasSize);panel5.Controls.Add(trackBarCanvasSize);panel5.Controls.Add(btnBottomShrink);panel5.Controls.Add(btnBottomEnlarge);panel5.Dock DockStyle.Right;panel5.Location new Point(1116, 0);panel5.Name panel5;panel5.Size new Size(930, 65);panel5.TabIndex 1;panel5.Paint panel5_Paint;// // buttonSizeFitWindow// buttonSizeFitWindow.BackgroundImage (Image)resources.GetObject(buttonSizeFitWindow.BackgroundImage);buttonSizeFitWindow.Image (Image)resources.GetObject(buttonSizeFitWindow.Image);buttonSizeFitWindow.Location new Point(257, -1);buttonSizeFitWindow.Name buttonSizeFitWindow;buttonSizeFitWindow.Size new Size(65, 65);buttonSizeFitWindow.TabIndex 3;buttonSizeFitWindow.UseVisualStyleBackColor true;buttonSizeFitWindow.Click buttonSizeFitWindow_Click;// // comboBoxCanvasSize// comboBoxCanvasSize.FormattingEnabled true;comboBoxCanvasSize.Location new Point(341, 19);comboBoxCanvasSize.Name comboBoxCanvasSize;comboBoxCanvasSize.Size new Size(86, 32);comboBoxCanvasSize.TabIndex 2;comboBoxCanvasSize.SelectedIndexChanged comboBoxCanvasSize_SelectedIndexChanged;// // trackBarCanvasSize// trackBarCanvasSize.Location new Point(504, 23);trackBarCanvasSize.Name trackBarCanvasSize;trackBarCanvasSize.Size new Size(333, 69);trackBarCanvasSize.TabIndex 0;trackBarCanvasSize.Scroll trackBarCanvasSize_Scroll;// // btnBottomShrink// btnBottomShrink.BackgroundImage (Image)resources.GetObject(btnBottomShrink.BackgroundImage);btnBottomShrink.Image (Image)resources.GetObject(btnBottomShrink.Image);btnBottomShrink.Location new Point(433, -1);btnBottomShrink.Name btnBottomShrink;btnBottomShrink.Size new Size(65, 65);btnBottomShrink.TabIndex 1;btnBottomShrink.UseVisualStyleBackColor true;btnBottomShrink.Click btnBottomShrink_Click;// // btnBottomEnlarge// btnBottomEnlarge.BackColor Color.Transparent;btnBottomEnlarge.BackgroundImage (Image)resources.GetObject(btnBottomEnlarge.BackgroundImage);btnBottomEnlarge.Image (Image)resources.GetObject(btnBottomEnlarge.Image);btnBottomEnlarge.Location new Point(843, -1);btnBottomEnlarge.Name btnBottomEnlarge;btnBottomEnlarge.Size new Size(65, 65);btnBottomEnlarge.TabIndex 0;btnBottomEnlarge.UseVisualStyleBackColor false;btnBottomEnlarge.Click btnBottomEnlarge_Click;// // panelButtomLeft2// panelButtomLeft2.Controls.Add(panel4);panelButtomLeft2.Controls.Add(labelColorB);panelButtomLeft2.Controls.Add(panelB);panelButtomLeft2.Controls.Add(labelColorG);panelButtomLeft2.Controls.Add(label2);panelButtomLeft2.Controls.Add(labelColorR);panelButtomLeft2.Controls.Add(panelG);panelButtomLeft2.Controls.Add(panelR);panelButtomLeft2.Dock DockStyle.Left;panelButtomLeft2.Location new Point(429, 0);panelButtomLeft2.Name panelButtomLeft2;panelButtomLeft2.Size new Size(594, 65);panelButtomLeft2.TabIndex 2;// // panel4// panel4.BackColor Color.Black;panel4.Location new Point(590, 13);panel4.Name panel4;panel4.Size new Size(2, 43);panel4.TabIndex 1;// // labelColorB// labelColorB.Location new Point(478, 17);labelColorB.Name labelColorB;labelColorB.Size new Size(94, 34);labelColorB.TabIndex 2;labelColorB.TextAlign ContentAlignment.MiddleLeft;// // panelB// panelB.Location new Point(432, 13);panelB.Name panelB;panelB.Size new Size(40, 40);panelB.TabIndex 5;// // labelColorG// labelColorG.Location new Point(334, 17);labelColorG.Name labelColorG;labelColorG.Size new Size(94, 34);labelColorG.TabIndex 1;labelColorG.TextAlign ContentAlignment.MiddleLeft;// // label2// label2.Font new Font(Microsoft YaHei UI, 12F, FontStyle.Bold);label2.Location new Point(0, 0);label2.Name label2;label2.Size new Size(138, 65);label2.TabIndex 2;label2.Text RGB:;label2.TextAlign ContentAlignment.MiddleCenter;// // labelColorR// labelColorR.Location new Point(190, 13);labelColorR.Name labelColorR;labelColorR.Size new Size(94, 36);labelColorR.TabIndex 0;labelColorR.TextAlign ContentAlignment.MiddleLeft;// // panelG// panelG.Location new Point(288, 13);panelG.Name panelG;panelG.Size new Size(40, 40);panelG.TabIndex 4;// // panelR// panelR.Location new Point(144, 13);panelR.Name panelR;panelR.Size new Size(40, 40);panelR.TabIndex 3;// // panelButtomLeft1// panelButtomLeft1.Controls.Add(panel3);panelButtomLeft1.Controls.Add(labelYShow);panelButtomLeft1.Controls.Add(labelY);panelButtomLeft1.Controls.Add(labelXShow);panelButtomLeft1.Controls.Add(labelCoordinate);panelButtomLeft1.Controls.Add(labelX);panelButtomLeft1.Dock DockStyle.Left;panelButtomLeft1.Location new Point(0, 0);panelButtomLeft1.Name panelButtomLeft1;panelButtomLeft1.Size new Size(429, 65);panelButtomLeft1.TabIndex 1;panelButtomLeft1.Paint panelButtomLeft1_Paint;// // panel3// panel3.BackColor Color.Black;panel3.Location new Point(425, 13);panel3.Name panel3;panel3.Size new Size(2, 43);panel3.TabIndex 0;// // labelYShow// labelYShow.AutoSize true;labelYShow.Location new Point(258, 23);labelYShow.Name labelYShow;labelYShow.Size new Size(0, 24);labelYShow.TabIndex 4;labelYShow.TextAlign ContentAlignment.MiddleLeft;// // labelY// labelY.AutoSize true;labelY.Font new Font(Microsoft YaHei UI, 9F, FontStyle.Regular, GraphicsUnit.Point, 134);labelY.Location new Point(232, 23);labelY.Name labelY;labelY.Size new Size(25, 24);labelY.TabIndex 3;labelY.Text Y:;labelY.TextAlign ContentAlignment.MiddleCenter;labelY.Click labelY_Click;// // labelXShow// labelXShow.AutoSize true;labelXShow.Location new Point(136, 23);labelXShow.Name labelXShow;labelXShow.Size new Size(0, 24);labelXShow.TabIndex 2;labelXShow.TextAlign ContentAlignment.MiddleLeft;// // labelCoordinate// labelCoordinate.Font new Font(Microsoft YaHei UI, 12F, FontStyle.Bold);labelCoordinate.Location new Point(0, 0);labelCoordinate.Name labelCoordinate;labelCoordinate.Size new Size(101, 65);labelCoordinate.TabIndex 0;labelCoordinate.Text 坐标;labelCoordinate.TextAlign ContentAlignment.MiddleCenter;labelCoordinate.Click labelCoordinate_Click;// // labelX// labelX.AutoSize true;labelX.Location new Point(107, 23);labelX.Name labelX;labelX.Size new Size(26, 24);labelX.TabIndex 1;labelX.Text X:;labelX.TextAlign ContentAlignment.MiddleCenter;// // Form1// AutoScaleDimensions new SizeF(11F, 24F);AutoScaleMode AutoScaleMode.Font;BackColor Color.FromArgb(192, 192, 255);ClientSize new Size(2046, 1245);Controls.Add(panel2);Controls.Add(panelDrawingArea);Controls.Add(tableLayoutPanel1);Controls.Add(menuStrip1);DoubleBuffered true;Icon (Icon)resources.GetObject($this.Icon);KeyPreview true;MainMenuStrip menuStrip1;Name Form1;StartPosition FormStartPosition.CenterParent;Text 画图板;Load Form1_Load;KeyDown Form1_KeyDown;((System.ComponentModel.ISupportInitialize)trackBarWidth).EndInit();((System.ComponentModel.ISupportInitialize)pictureBox1).EndInit();tableLayoutPanel1.ResumeLayout(false);groupBox1.ResumeLayout(false);groupBox2.ResumeLayout(false);panelColor.ResumeLayout(false);btnYellow.ResumeLayout(false);btnYellow.PerformLayout();tableLayoutPanel4.ResumeLayout(false);tableLayoutPanel4.PerformLayout();panel1.ResumeLayout(false);panel6.ResumeLayout(false);tableLayoutPanel3.ResumeLayout(false);tableLayoutPanel3.PerformLayout();panelCurColor1.ResumeLayout(false);panelCurColor1.PerformLayout();panelCurColor2.ResumeLayout(false);groupBox3.ResumeLayout(false);groupBox4.ResumeLayout(false);panelDrawingArea.ResumeLayout(false);tableLayoutPanel2.ResumeLayout(false);tableLayoutPanel2.PerformLayout();menuStrip1.ResumeLayout(false);menuStrip1.PerformLayout();panel2.ResumeLayout(false);panel5.ResumeLayout(false);panel5.PerformLayout();((System.ComponentModel.ISupportInitialize)trackBarCanvasSize).EndInit();panelButtomLeft2.ResumeLayout(false);panelButtomLeft1.ResumeLayout(false);panelButtomLeft1.PerformLayout();ResumeLayout(false);PerformLayout();}#endregionprivate Button btnPen;private Button btnPigmentBucket;private Button button3;private Button btnEraser;private Button btnColorExtractor;private Button button6;private TrackBar trackBarWidth;private TableLayoutPanel tableLayoutPanel1;private GroupBox groupBox1;private GroupBox groupBox2;private Button btnDrawRectangle;private Button btnDrawEllipse;private Button btnDrawDiamond;private Button btnDrawTriangle;private Button btnDrawHexagon;private Button btnDrawCircle;private Button btnDrawPentagon;private Button btnDrawLine;private ComboBox comboBox1;private TableLayoutPanel btnYellow;private Label label1;private ColorDialog colorDialog1;private TableLayoutPanel tableLayoutPanel3;private RoundButton rbtnCurColor;private RoundButton rbtnCurColor2;private TableLayoutPanel tableLayoutPanel4;private Panel panelCurColor1;private Panel panelCurColor2;private RoundButton rbtnBlack;private RoundButton rbtnWhite;private RoundButton rbtnGray;private RoundButton rbtnGreen;private RoundButton rbtnRed;private RoundButton rbtnLightBlue;private RoundButton rBtnOrange;private RoundButton rbtnBlue;private RoundButton rbtnYellow;private RoundButton rbtnPurple;private RoundButton roundButton11;private Panel panelDrawingArea;private RoundButton btnSelectColor;private Panel panel1;private Panel panelColor;private MenuStrip menuStrip1;private ToolStripMenuItem 文件ToolStripMenuItem;private ToolStripMenuItem 导入ToolStripMenuItem;private ToolStripMenuItem 导出ToolStripMenuItem;private ToolStripMenuItem 编辑ToolStripMenuItem;private ToolStripMenuItem 查看ToolStripMenuItem;private ToolStripMenuItem 保存ToolStripMenuItem;private GroupBox groupBox3;private Button btnLasso;private Button btnUndo;private GroupBox groupBox4;private Button btnRedo;private PictureBox pictureBox1;private Panel panel2;private Label labelX;private Label labelCoordinate;private Panel panelButtomLeft1;private Label labelXShow;private Label labelY;private Label labelYShow;private Label label2;private Panel panelButtomLeft2;private Panel panelB;private Panel panelG;private Panel panelR;private Label labelColorB;private Label labelColorG;private Label labelColorR;private Panel panel3;private Panel panel4;private Panel panel5;private Button btnBottomEnlarge;private Button btnBottomShrink;private TrackBar trackBarCanvasSize;private Button buttonSizeFitWindow;private ComboBox comboBoxCanvasSize;private TableLayoutPanel tableLayoutPanel2;private Panel panelBoundaryLine;private Button btnChangeOpacity;private Button btnWhiten;private Panel panel8;private Panel panel10;private Panel panel6;private Panel panel7;private Label labelColor1;private Label labelColor2;private Button button4;private Button button5;private Button button2;private Button button1;private ToolStripMenuItem 复制ToolStripMenuItem;private ToolStripMenuItem 剪切CtrlXToolStripMenuItem;private ToolStripMenuItem 粘贴CtrlvToolStripMenuItem;private ToolStripMenuItem 旋转ToolStripMenuItem;private ToolStripMenuItem 顺时针旋转90ToolStripMenuItem;private ToolStripMenuItem 顺时针旋转180ToolStripMenuItem;private ToolStripMenuItem 逆时针旋转90ToolStripMenuItem;private ToolStripMenuItem 逆时针旋转180ToolStripMenuItem;}
}二. 绘制图形 代码 private void Panel1_MouseUp(object sender, MouseEventArgs e){if (_choicePen){_isDrawing false;startPoint null;}else if (_choiceEraser){_isErasing false;startPoint null;}else if (_isDraging){if (e.Button MouseButtons.Left startPoint.HasValue) // 左键释放 {using (Graphics g Graphics.FromImage(canvas)){// 画笔和画刷设置 Pen pen new Pen(rbtnCurColor.BackColor, shapeWidth);SolidBrush brush new SolidBrush(rbtnCurColor2.BackColor);// 根据当前选择的形状类型进行绘制 switch (shapeType){case ShapeType.Line:g.DrawLine(pen, startPoint.Value, endPoint.Value); // 绘制直线 break;case ShapeType.Triangle:DrawEquilateralTriangle(g, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Rectangle:var rect GetRectangleFromPoints(startPoint.Value, endPoint.Value); // 获取矩形区域 g.DrawRectangle(pen, rect); // 绘制矩形 break;case ShapeType.Circle:DrawCircle(g, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Ellipse:DrawEllipse(g, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Pentagon:DrawRegularPolygon(g, pen, brush, 5, startPoint.Value, endPoint.Value);break;case ShapeType.Hexagon:DrawRegularPolygon(g, pen, brush, 6, startPoint.Value, endPoint.Value);break;case ShapeType.Diamond:DrawDiamond(g, pen, brush, startPoint.Value, endPoint.Value);break;default:break;}pen.Dispose();brush.Dispose();}panelDrawingArea.Invalidate(); // 触发重绘 startPoint null; // 重置起点以便绘制新的形状 }}else if (_choicePigmentbucket){Color targetColor canvas.GetPixel(e.X, e.Y); // 获取点击位置的颜色 FloodFillOptimized(canvas, e.Location, targetColor, rbtnCurColor.BackColor); // 填充为所选颜色panelDrawingArea.Invalidate(); // 触发重绘 }else if (_choiceColorExtractor){rbtnCurColor.BackColor canvas.GetPixel(e.X, e.Y);}else if (_choiceSelection){if (startPoint.HasValue){endPoint e.Location;ApplySelectionEffects();startPoint null;endPoint null;panelDrawingArea.Invalidate(); // 触发重绘 }}}private void panel1_Paint(object sender, PaintEventArgs e){int width (int)(canvas.Width * scaleFactor);int height (int)(canvas.Height * scaleFactor);// 计算缩放后图像在Panel中的位置以保持图像居中 int x (panelDrawingArea.Width - width) / 2 panelDrawingArea.AutoScrollPosition.X;int y (panelDrawingArea.Height - height) / 2 panelDrawingArea.AutoScrollPosition.Y;// 设置Panel的最小滚动区域以适应放大后的图像 panelDrawingArea.AutoScrollMinSize new Size((int)(canvas.Width * (1.0 ((scaleFactor - 1.0) / 2.0))),(int)(canvas.Height * (1.0 ((scaleFactor - 1.0) / 2.0))));// 考虑滚动偏移量来绘制图像 e.Graphics.DrawImage(canvas, new Rectangle(x, y, width, height));if (_choiceSelection selectStartPoint.HasValue selectEndPoint.HasValue){// 在工作图像上绘制选择矩形 e.Graphics.DrawRectangle(selectionPen,Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y));// 根据起点和终点创建一个矩形区域 Rectangle selectionRectangle new Rectangle(Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y));}if (!startPoint.HasValue || !endPoint.HasValue) return; // 起点或终点无效时返回 if (_isDraging){// 画笔和画刷设置 Pen pen new Pen(rbtnCurColor.BackColor, shapeWidth);SolidBrush brush new SolidBrush(rbtnCurColor2.BackColor); // 填充颜色// 根据当前选择的形状类型进行绘制 switch (shapeType){case ShapeType.Line:e.Graphics.DrawLine(pen, startPoint.Value, endPoint.Value); // 绘制直线 break;case ShapeType.Triangle:DrawEquilateralTriangle(e.Graphics, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Rectangle:var rect GetRectangleFromPoints(startPoint.Value, endPoint.Value); // 获取矩形区域 e.Graphics.DrawRectangle(pen, rect); // 绘制矩形 break;case ShapeType.Circle:DrawCircle(e.Graphics, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Ellipse:DrawEllipse(e.Graphics, pen, brush, startPoint.Value, endPoint.Value);break;case ShapeType.Pentagon:DrawRegularPolygon(e.Graphics, pen, brush, 5, startPoint.Value, endPoint.Value);break;case ShapeType.Hexagon:DrawRegularPolygon(e.Graphics, pen, brush, 6, startPoint.Value, endPoint.Value);break;case ShapeType.Diamond:DrawDiamond(e.Graphics, pen, brush, startPoint.Value, endPoint.Value);break;default:break;}pen.Dispose();brush.Dispose();}}// 绘制等边三角形 private void DrawEquilateralTriangle(Graphics g, Pen pen, Brush brush, Point start, Point end){// 计算等边三角形的高和边长 int sideLength (int)Math.Sqrt(Math.Pow(end.X - start.X, 2) Math.Pow(end.Y - start.Y, 2));Point top new Point(start.X sideLength / 2, start.Y - (int)(Math.Sqrt(3) / 2 * sideLength));Point[] points { start, end, top };g.DrawPolygon(pen, points);g.FillPolygon(brush, points);}// 绘制圆形 private void DrawCircle(Graphics g, Pen pen, Brush brush, Point start, Point end){int radius (int)Math.Sqrt(Math.Pow(end.X - start.X, 2) Math.Pow(end.Y - start.Y, 2)) / 2;int centerX start.X radius;int centerY start.Y radius;g.DrawEllipse(pen, centerX - radius, centerY - radius, 2 * radius, 2 * radius);g.FillEllipse(brush, centerX - radius, centerY - radius, 2 * radius, 2 * radius);}// 绘制椭圆形 private void DrawEllipse(Graphics g, Pen pen, Brush brush, Point start, Point end){int width Math.Abs(end.X - start.X);int height Math.Abs(end.Y - start.Y);int left Math.Min(start.X, end.X);int top Math.Min(start.Y, end.Y);g.DrawEllipse(pen, left, top, width, height);g.FillEllipse(brush, left, top, width, height);}// 根据两个点获取矩形的位置和大小 private Rectangle GetRectangleFromPoints(Point p1, Point p2){int x Math.Min(p1.X, p2.X);int y Math.Min(p1.Y, p2.Y);int width Math.Abs(p1.X - p2.X);int height Math.Abs(p1.Y - p2.Y);return new Rectangle(x, y, width, height);}// 绘制正多边形 private void DrawRegularPolygon(Graphics g, Pen pen, Brush brush, int sides, Point start, Point end){// 假定start是中心点end是多边形的一个顶点 int radius (int)Math.Sqrt(Math.Pow(end.X - start.X, 2) Math.Pow(end.Y - start.Y, 2));double angleIncrement 2 * Math.PI / sides;PointF[] points new PointF[sides];for (int i 0; i sides; i){double angle i * angleIncrement;float x (float)(start.X radius * Math.Cos(angle));float y (float)(start.Y radius * Math.Sin(angle));points[i] new PointF(x, y);}g.DrawPolygon(pen, points);g.FillPolygon(brush, points);}// 绘制菱形 private void DrawDiamond(Graphics g, Pen pen, Brush brush, Point start, Point end){// 假定start是菱形的一个顶点end是菱形的对角顶点 int width Math.Abs(end.X - start.X);int height Math.Abs(end.Y - start.Y);int left Math.Min(start.X, end.X);int top Math.Min(start.Y, end.Y);PointF[] points {new PointF(left width / 2, top),new PointF(left width, top height / 2),new PointF(left width / 2, top height),new PointF(left, top height / 2)};g.DrawPolygon(pen, points);g.FillPolygon(brush, points);} 三. 修改颜色 主要代码 private void btnSelectColor_Click(object sender, EventArgs e){// 显示颜色选择器对话框 if (colorDialog1.ShowDialog() DialogResult.OK){if (_choiceColorOne){// 用户选择了一种颜色将该颜色设置为Panel的背景色 rbtnCurColor.BackColor colorDialog1.Color;}else{rbtnCurColor2.BackColor colorDialog1.Color;}}} 四. 铅笔工具 主要代码
private void Panel1_MouseMove(object sender, MouseEventArgs e){// 计算相对于绘图区域的偏移量:从 e.Position 中减去绘图区域即缩放后的图像在面板上的位置的左上角坐标x, y。得出一个相对于绘图区域的点int width (int)(canvas.Width * scaleFactor);int height (int)(canvas.Height * scaleFactor);int x (panelDrawingArea.Width - width) / 2 panelDrawingArea.AutoScrollPosition.X;int y (panelDrawingArea.Height - height) / 2 panelDrawingArea.AutoScrollPosition.Y;Point relativePosition new Point(e.X - x, e.Y - y);//将相对位置转换为原始图像上的位置Point currentPoint new Point((int)(relativePosition.X / scaleFactor), (int)(relativePosition.Y / scaleFactor));if (_isDrawing){int circleRadius trackBarWidth.Value / 2;// 使用SolidBrush和Pen对象进行绘制 using (SolidBrush brush new SolidBrush(rbtnCurColor.BackColor))using (Pen pen new Pen(brush, trackBarWidth.Value)){using (Graphics g Graphics.FromImage(canvas)){g.SmoothingMode SmoothingMode.AntiAlias;// 如果存在前一个点则从前一个点到当前点绘制一个圆圈 if (startPoint.HasValue){// 计算两点间的距离并根据需要调整圆圈的密度 double distance Math.Sqrt(Math.Pow(currentPoint.X - startPoint.Value.X, 2) Math.Pow(currentPoint.Y - startPoint.Value.Y, 2));int steps (int)(distance / circleRadius); // 根据距离确定需要绘制的圆圈数量 if (steps 20) steps 20; // 至少绘制一个圆圈 // 在前一个点和当前点之间插值绘制圆圈 for (int i 0; i steps; i){double t (double)i / steps;int x2 (int)(startPoint.Value.X (currentPoint.X - startPoint.Value.X) * t);int y2 (int)(startPoint.Value.Y (currentPoint.Y - startPoint.Value.Y) * t);g.FillEllipse(brush, x2 - circleRadius, y2 - circleRadius, 2 * circleRadius, 2 * circleRadius);}}// 在当前位置也绘制一个圆圈以确保路径的连续性 g.FillEllipse(brush, currentPoint.X - circleRadius, currentPoint.Y - circleRadius, 2 * circleRadius, 2 * circleRadius);}// 更新画布显示 panelDrawingArea.Refresh();}// 更新前一个点的位置 startPoint currentPoint;}} 五. 颜料桶 主要代码
private void Panel1_MouseUp(object sender, MouseEventArgs e){Color targetColor canvas.GetPixel(e.X, e.Y); // 获取点击位置的颜色 FloodFillOptimized(canvas, e.Location, targetColor, rbtnCurColor.BackColor); // 填充为所选颜色panelDrawingArea.Invalidate(); // 触发重绘 } private unsafe void FloodFillOptimized(Bitmap bmp, Point pt, Color targetColor, Color replacementColor){// 如果目标颜色和替换颜色相同则不进行填充操作 if (targetColor.ToArgb() replacementColor.ToArgb())return;// 锁定位图以进行直接内存操作提高性能 BitmapData bmpData bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), // 锁定整个位图区域 ImageLockMode.WriteOnly, // 只写模式 bmp.PixelFormat); // 使用位图的原始像素格式 try{// 计算每个像素占用的字节数 int bytesPerPixel Bitmap.GetPixelFormatSize(bmp.PixelFormat) / 8;// 无需使用的变量可以删除或注释掉 // int byteCount bmpData.Stride * bmp.Height; // 获取位图数据的首地址指针 byte* scan0 (byte*)bmpData.Scan0;// 使用栈来存储待处理的像素点 StackPoint stack new StackPoint();stack.Push(pt); // 将初始点压入栈中 // 循环处理栈中的像素点 while (stack.Count 0){Point p stack.Pop(); // 弹出栈顶的像素点 // 计算当前像素点在位图数据中的字节位置 int position p.Y * bmpData.Stride p.X * bytesPerPixel;// 读取当前像素点的颜色假设是24位RGB格式 Color currentColor Color.FromArgb(scan0[position 2], // R红色分量 scan0[position 1], // G绿色分量 scan0[position]); // B蓝色分量 // 如果当前像素点颜色与目标颜色不同则跳过 if (currentColor.ToArgb() ! targetColor.ToArgb())continue;// 将当前像素点的颜色替换为替换颜色 scan0[position 2] replacementColor.R; // 设置红色分量 scan0[position 1] replacementColor.G; // 设置绿色分量 scan0[position] replacementColor.B; // 设置蓝色分量 // 将相邻的上下左右四个点压入栈中以便后续处理 // 注意要检查相邻点是否在图像范围内 if (p.X 0) stack.Push(new Point(p.X - 1, p.Y)); // 左 if (p.X bmp.Width - 1) stack.Push(new Point(p.X 1, p.Y)); // 右 if (p.Y 0) stack.Push(new Point(p.X, p.Y - 1)); // 上 if (p.Y bmp.Height - 1) stack.Push(new Point(p.X, p.Y 1)); // 下 }}finally{// 无论是否发生异常都要确保解锁位图数据区域释放资源 bmp.UnlockBits(bmpData);}}六. 橡皮擦 主要代码 private void Panel1_MouseMove(object sender, MouseEventArgs e){else if (_isErasing){int eraserRadius eraserWidth / 2;using (Graphics g Graphics.FromImage(canvas)){g.SmoothingMode SmoothingMode.AntiAlias;using (SolidBrush eraserBrush new SolidBrush(Color.White)) // 假设画布背景是白色 {if (startPoint.HasValue){// 计算两点间的距离 double distance Math.Sqrt(Math.Pow(currentPoint.X - startPoint.Value.X, 2) Math.Pow(currentPoint.Y - startPoint.Value.Y, 2));int steps (int)(distance / eraserRadius);if (steps 5) steps 5;// 在前一个点和当前点之间插值绘制橡皮擦 for (int i 0; i steps; i){double t (double)i / steps;int x2 (int)(startPoint.Value.X (currentPoint.X - startPoint.Value.X) * t);int y2 (int)(startPoint.Value.Y (currentPoint.Y - startPoint.Value.Y) * t);g.FillEllipse(eraserBrush, x2 - eraserRadius, y2 - eraserRadius, 2 * eraserRadius, 2 * eraserRadius);}}// 在当前位置也绘制一个橡皮擦 g.FillEllipse(eraserBrush, currentPoint.X - eraserRadius, currentPoint.Y - eraserRadius, 2 * eraserRadius, 2 * eraserRadius);}}panelDrawingArea.Refresh();// 更新前一个点的位置 startPoint currentPoint;}} 七. 图像彩色 主要代码同二 八. 撤销 主要代码 // 撤销操作栈保存之前的绘图状态 private StackBitmap undoStack new StackBitmap();private void BtnUndo_Click(object sender, EventArgs e) // 撤销{if (undoStack.Count 0){redoStack.Push(canvas.Clone() as Bitmap);canvas undoStack.Pop();panelDrawingArea.Invalidate(); // 触发重绘事件 }} 九. 重做 主要代码 // 重做操作栈保存已撤销的绘图状态 private StackBitmap redoStack new StackBitmap(); private void BtnRedo_Click(object sender, EventArgs e) // 重做{if (redoStack.Count 0){undoStack.Push(canvas.Clone() as Bitmap);canvas redoStack.Pop();panelDrawingArea.Invalidate(); // 触发重绘事件 }} 十. 文件保存 主要代码 private void saveFile(object sender, EventArgs e){SaveFileDialog saveFileDialog1 new SaveFileDialog();saveFileDialog1.Title 另存为;// 设置保存文件对话框的过滤器以便用户可以选择不同的图像格式 saveFileDialog1.Filter JPEG Files (*.jpg)|*.jpg|BMP Files (*.bmp)|*.bmp|GIF Files (*.gif)|*.gif|PNG Files (*.png)|*.png;if (saveFileDialog1.ShowDialog() DialogResult.OK){if (saveFileDialog1.FileName ! ){using (FileStream fs (FileStream)saveFileDialog1.OpenFile()){switch (saveFileDialog1.FilterIndex){case 1:canvas.Save(fs, ImageFormat.Jpeg);break;case 2:canvas.Save(fs, ImageFormat.Bmp);break;case 3:canvas.Save(fs, ImageFormat.Gif);break;case 4:canvas.Save(fs, ImageFormat.Png);break;}}}}} 十一. 文件打开 主要代码 private void openFile(object sender, EventArgs e){OpenFileDialog openFileDialog1 new OpenFileDialog();// 设置打开文件对话框的过滤器以便用户可以选择图像文件 openFileDialog1.Filter Image Files (*.bmp;*.jpg;*.jpeg;*.png;*.gif)|*.bmp;*.jpg;*.jpeg;*.png;*.gif;if (openFileDialog1.ShowDialog() DialogResult.OK){if (File.Exists(openFileDialog1.FileName)){try{// 从文件中加载图像到Bitmap对象 canvas new Bitmap(openFileDialog1.FileName);panelDrawingArea.Invalidate();}catch (Exception ex){MessageBox.Show(错误: ex.Message);}}}} 十二. 套索操作(比较粗糙) 主要代码 if (_choiceSelection selectStartPoint.HasValue selectEndPoint.HasValue){// 在工作图像上绘制选择矩形 e.Graphics.DrawRectangle(selectionPen,Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y));// 根据起点和终点创建一个矩形区域 Rectangle selectionRectangle new Rectangle(Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y));}十三. 美白(由RGB更改实现) 主要代码 private void btnWhiten_Click(object sender, EventArgs e){MakeAreaWhiter(canvas, new Rectangle(Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y)), 0.8f);}public void MakeAreaWhiter(Bitmap bitmap, Rectangle selectionRectangle, float whitenFactor){// 增白因子应该在0到1之间其中0表示不改变颜色1表示完全变白 if (whitenFactor 0 || whitenFactor 1){throw new ArgumentOutOfRangeException(nameof(whitenFactor), 增白因子必须在0到1之间);}BitmapData bmpData bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);int bytesPerPixel Bitmap.GetPixelFormatSize(bitmap.PixelFormat) / 8;int byteCount bmpData.Stride * bitmap.Height;byte[] pixels new byte[byteCount];// 复制位图像素数据到数组中 Marshal.Copy(bmpData.Scan0, pixels, 0, byteCount);for (int y selectionRectangle.Top; y selectionRectangle.Bottom; y){for (int x selectionRectangle.Left; x selectionRectangle.Right; x){int pixelIndex (y * bmpData.Stride) (x * bytesPerPixel);if (pixelIndex 2 pixels.Length) // 确保不会越界并且至少包含RGB通道 {// 增加RGB值使图像变白 pixels[pixelIndex] (byte)Math.Min(255, pixels[pixelIndex] (255 - pixels[pixelIndex]) * whitenFactor); // R pixels[pixelIndex 1] (byte)Math.Min(255, pixels[pixelIndex 1] (255 - pixels[pixelIndex 1]) * whitenFactor); // G pixels[pixelIndex 2] (byte)Math.Min(255, pixels[pixelIndex 2] (255 - pixels[pixelIndex 2]) * whitenFactor); // B }}}// 将修改后的数据复制回位图 Marshal.Copy(pixels, 0, bmpData.Scan0, byteCount);// 解锁位图资源 bitmap.UnlockBits(bmpData);panelDrawingArea.Invalidate(); // 重绘粘贴板以显示新图像 } 十四. 透明(由透明度变化实现) 主要代码 private void btnChangeOpacity_Click(object sender, EventArgs e){MakeAreaTransparent(canvas, new Rectangle(Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y)), 0.5f);}public void MakeAreaTransparent(Bitmap bitmap, Rectangle selectionRectangle, float transparencyFactor){// 透明度因子应该在0到1之间其中0表示完全透明1表示不改变透明度 if (transparencyFactor 0 || transparencyFactor 1){throw new ArgumentOutOfRangeException(nameof(transparencyFactor), 透明度因子必须在0到1之间);}BitmapData bmpData bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);int bytesPerPixel Bitmap.GetPixelFormatSize(bitmap.PixelFormat) / 8;int byteCount bmpData.Stride * bitmap.Height;byte[] pixels new byte[byteCount];// 复制位图像素数据到数组中 Marshal.Copy(bmpData.Scan0, pixels, 0, byteCount);for (int y selectionRectangle.Top; y selectionRectangle.Bottom; y){for (int x selectionRectangle.Left; x selectionRectangle.Right; x){int pixelIndex (y * bmpData.Stride) (x * bytesPerPixel);if (pixelIndex 3 pixels.Length) // 确保不会越界并且像素格式包含Alpha通道 {// 降低Alpha值增加透明度 pixels[pixelIndex 3] (byte)(pixels[pixelIndex 3] * transparencyFactor);}}}// 将修改后的数据复制回位图 Marshal.Copy(pixels, 0, bmpData.Scan0, byteCount);bitmap.UnlockBits(bmpData);panelDrawingArea.Invalidate(); // 重绘粘贴板以显示新图像 }// 选择区域并复制或剪切 private void CopyOrCutSelection(bool isCut){if (selectStartPoint.HasValue selectEndPoint.HasValue){Rectangle selectionRectangle new Rectangle(Math.Min(selectStartPoint.Value.X, selectEndPoint.Value.X),Math.Min(selectStartPoint.Value.Y, selectEndPoint.Value.Y),Math.Abs(selectEndPoint.Value.X - selectStartPoint.Value.X),Math.Abs(selectEndPoint.Value.Y - selectStartPoint.Value.Y));canvasSelection new Bitmap(selectionRectangle.Width, selectionRectangle.Height);if (isCut){MakeAreaWhiter(canvas, selectionRectangle, 1f);}panelDrawingArea.Invalidate(); // 重绘粘贴板以显示新图像 }} 十五. 源码分享 链接https://pan.baidu.com/s/1J7Xvmkw302LD8suN36kE2w?pwd8700 提取码8700 最后 希望文章对你有所帮助
