基于C#实现图片合成功能

public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { if (openFileDialog1.ShowDialog() == DialogResult.OK) { pictureBox1.Image = Image.FromFile(openFileDialog1.FileName); } } private void button2_Click(object sender, EventArgs e) { if (openFileDialog2.ShowDialog() == DialogResult.OK) { pictureBox2.Image = Image.FromFile(openFileDialog2.FileName); } } private void button3_Click(object sender, EventArgs e) { if (pictureBox1.Image != null && pictureBox2.Image != null) { Bitmap bt = new Bitmap(pictureBox1.Image); Graphics g = Graphics.FromImage(bt); g.DrawImage(pictureBox2.Image,new Point(5,5)); pictureBox3.Image = bt; } } } 

partial class Form1 { /// 
 /// 必需的设计器变量。 /// 
 private System.ComponentModel.IContainer components = null; /// 
 /// 清理所有正在使用的资源。 /// 
 /// 如果应释放托管资源，为 true；否则为 false。 protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗体设计器生成的代码 /// 
 /// 设计器支持所需的方法 - 不要 /// 使用代码编辑器修改此方法的内容。 /// 
 private void InitializeComponent() { this.button1 = new System.Windows.Forms.Button(); this.button2 = new System.Windows.Forms.Button(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.pictureBox2 = new System.Windows.Forms.PictureBox(); this.button3 = new System.Windows.Forms.Button(); this.pictureBox3 = new System.Windows.Forms.PictureBox(); this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog(); this.openFileDialog2 = new System.Windows.Forms.OpenFileDialog(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).BeginInit(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(12, 12); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(121, 23); this.button1.TabIndex = 0; this.button1.Text = "选择第一张图片"; this.button1.UseVisualStyleBackColor = true; this.button1.Click += new System.EventHandler(this.button1_Click); // // button2 // this.button2.Location = new System.Drawing.Point(139, 12); this.button2.Name = "button2"; this.button2.Size = new System.Drawing.Size(121, 23); this.button2.TabIndex = 1; this.button2.Text = "选择第二张图片"; this.button2.UseVisualStyleBackColor = true; this.button2.Click += new System.EventHandler(this.button2_Click); // // pictureBox1 // this.pictureBox1.Location = new System.Drawing.Point(12, 41); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(248, 160); this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; this.pictureBox1.TabIndex = 2; this.pictureBox1.TabStop = false; // // pictureBox2 // this.pictureBox2.Location = new System.Drawing.Point(12, 216); this.pictureBox2.Name = "pictureBox2"; this.pictureBox2.Size = new System.Drawing.Size(248, 186); this.pictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; this.pictureBox2.TabIndex = 3; this.pictureBox2.TabStop = false; // // button3 // this.button3.Location = new System.Drawing.Point(266, 12); this.button3.Name = "button3"; this.button3.Size = new System.Drawing.Size(121, 23); this.button3.TabIndex = 4; this.button3.Text = "合成图片"; this.button3.UseVisualStyleBackColor = true; this.button3.Click += new System.EventHandler(this.button3_Click); // // pictureBox3 // this.pictureBox3.Location = new System.Drawing.Point(266, 41); this.pictureBox3.Name = "pictureBox3"; this.pictureBox3.Size = new System.Drawing.Size(379, 363); this.pictureBox3.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; this.pictureBox3.TabIndex = 5; this.pictureBox3.TabStop = false; // // openFileDialog1 // this.openFileDialog1.Filter = "图片文件|*.jpg-600;*.jpeg;*.png-600;*.bmp"; // // openFileDialog2 // this.openFileDialog2.Filter = "图片文件|*.jpg-600;*.jpeg;*.png-600;*.bmp"; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(657, 416); this.Controls.Add(this.pictureBox3); this.Controls.Add(this.button3); this.Controls.Add(this.pictureBox2); this.Controls.Add(this.pictureBox1); this.Controls.Add(this.button2); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "Form1"; ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).EndInit(); this.ResumeLayout(false); } #endregion private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; private System.Windows.Forms.PictureBox pictureBox1; private System.Windows.Forms.PictureBox pictureBox2; private System.Windows.Forms.Button button3; private System.Windows.Forms.PictureBox pictureBox3; private System.Windows.Forms.OpenFileDialog openFileDialog1; private System.Windows.Forms.OpenFileDialog openFileDialog2; }