C#实现绘制浮雕图片效果实例

2024-04-09 11:26:03 362

usingSystem; usingSystem.Drawing; usingSystem.Collections; usingSystem.ComponentModel; usingSystem.Windows.Forms; usingSystem.Data; usingSystem.Drawing.Imaging; namespaceEmbossColander { publicclassForm1:System.Windows.Forms.Form { privateSystem.ComponentModel.Containercomponents=null; publicForm1() { InitializeComponent(); } protectedoverridevoidDispose(booldisposing) { if(disposing) { if(components!=null) { components.Dispose(); } } base.Dispose(disposing); } #regionWindows窗体设计器生成的代码 privatevoidInitializeComponent() { this.components=newSystem.ComponentModel.Container(); this.Size=newSystem.Drawing.Size(350,200); this.Text="Form1"; } #endregion protectedoverridevoidOnPaint(PaintEventArgse) { base.OnPaint(e); Graphicsgraphics=e.Graphics; graphics.Clear(Color.White); graphics.ScaleTransform(0.7f,0.7f); Bitmapimage=newBitmap("dog.bmp"); intWidth=image.Width; intHeight=image.Height; //image2:进行雕刻处理 Bitmapimage2=image.Clone(newRectangle(0,0,Width,Height),PixelFormat.DontCare); //绘制原图 graphics.DrawImage( image,newRectangle(0,0,Width,Height)); Colorcolor,colorTemp,colorLeft; //进行图片的浮雕处理 //依次访问每个像素的RGB值 for(inti=Width-1;i>0;i--) { for(intj=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 intr=Math.Max(67,Math.Min(255, Math.Abs(color.R-colorLeft.R+128))); intg=Math.Max(67,Math.Min(255, Math.Abs(color.G-colorLeft.G+128))); intb=Math.Max(67,Math.Min(255, Math.Abs(color.B-colorLeft.B+128))); ColorcolorResult=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,newRectangle(Width+10,0,Width,Height)); } } [STAThread] staticvoidMain() { Application.Run(newForm1()); } } }

C#实现绘制浮雕图片效果实例

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