C#实现绘制浮雕图片效果实例

using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Drawing.Imaging;namespace EmbossColander{ public class Form1 : System.Windows.Forms.Form { private System.ComponentModel.Container components = null; public Form1() {  InitializeComponent(); } protected override void Dispose( bool disposing ) {  if( disposing )  {  if (components != null)  {   components.Dispose();  }  }  base.Dispose( disposing ); } #region Windows 窗体设计器生成的代码 private void InitializeComponent() {  this.components = new System.ComponentModel.Container();  this.Size = new System.Drawing.Size(350,200);  this.Text = "Form1"; } #endregion protected override void OnPaint(PaintEventArgs e) {  base.OnPaint (e);  Graphics graphics = e.Graphics;  graphics.Clear(Color.White);  graphics.ScaleTransform(0.7f,0.7f);  Bitmap image = new Bitmap("dog.bmp");  int Width = image.Width;  int Height = image.Height;  //image2:进行雕刻处理  Bitmap image2 = image.Clone(new Rectangle(0,0,Width,Height),PixelFormat.DontCare );  //绘制原图  graphics.DrawImage(  image, new Rectangle(0, 0, Width, Height));  Color color, colorTemp,colorLeft;  //进行图片的浮雕处理  //依次访问每个像素的RGB值  for(int i=Width-1; i>0;i--)  {  for( int j=Height-1; j>0;j--)  {   //获取相邻两个像素的R、G、B值   color =image.GetPixel(i, j);   colorLeft=image.GetPixel(i-1, j-1);   //计算与左上角像素的RGB分量之差   //67：控制图片的最低灰度，128：常量，更改这两个值会得到不同的效果   int r = Math.Max(67,Math.Min(255,   Math.Abs(color.R-colorLeft.R+128)));   int g = Math.Max(67,Math.Min(255,   Math.Abs(color.G-colorLeft.G+128)));   int b = Math.Max(67,Math.Min(255,   Math.Abs(color.B-colorLeft.B+128)));   Color colorResult=Color.FromArgb(255,r,g,b);   //将计算后的RGB值回写到位图   image.SetPixel(i, j,colorResult);  }  //绘制浮雕图  graphics.DrawImage(   image, new Rectangle(Width+10, 0, Width, Height));  } } [STAThread] static void Main() {  Application.Run(new Form1()); } }}