图像特技处理.doc

西北师范大学学生实验报告学院地环学院专业地理信息系统年级、班08级学号200875000431姓名王小燕同组者课程名称计算机图形学实验题目GDI+图形特技处理成绩一、实验目的：掌握在.net环境下对图形特技的处理方法。二、实验准备：学习在.net环境下读取图像文件、改变颜色等基本知识。三、实验内容：在.net环境中实现对图像的灰度化处理、柔化和锐化、底片滤镜、淡入淡出以及浮雕、油画和木刻等艺术效果。四、实验过程及步骤： （包括程序界面设计、控件属性说明、程序代码和程序运行四部分）程序代码 private void huidu_Click(object sender, EventArgs e) Graphics g = this.CreateGraphics(); g.Clear(Color.White); Bitmap image = new Bitmap(f:/王小燕/8.bmp); int width = image.Width - 1; int height = image.Height - 1; g.DrawImage(image, 0, 0); g.TranslateTransform(image.Width, 0); Bitmap image2 = image.Clone(new Rectangle(0, 0, image.Width, image.Height ),PixelFormat .DontCare); Bitmap image3 = image.Clone(new Rectangle(0, 0, image.Width, image.Height), PixelFormat.DontCare); Color color; for (int i = width; i = 0; i-) for (int j = height; j = 0; j-) color = image.GetPixel(i, j); int middle = (color.R + color.G + color.B) / 3; Color colorResult = Color.FromArgb(255, middle, middle, middle); image.SetPixel(i, j, colorResult); g.DrawImage(image, new Rectangle(0, 0, Width, Height); g.TranslateTransform(image.Width, 0); for (int i = width; i = 0; i-) for (int j = height; j = 0; j-) color = image2.GetPixel(i, j); int tmp = Math.Max(color.R, color.G); int maxcolor = Math.Max(tmp, color.B); Color colorResult = Color.FromArgb(255, maxcolor, maxcolor, maxcolor); image2.SetPixel(i, j, colorResult); g.DrawImage(image2, new Rectangle(0, 0, Width, Height); g.ResetTransform(); g.TranslateTransform(0, image.Height); for (int i = Width; i = 0; i-) for (int j = Height; j = 0; j-) color = image3.GetPixel(i, j); int R = (int)(0.3f * color.R); int G = (int)(0.59f * color.G); int B = (int)(0.11f * color.B); Color colorResult = Color.FromArgb(255, R, G, B); image3.SetPixel(i, j, colorResult); g.DrawImage(image3, new Rectangle(0, 0, width, height); g.TranslateTransform(image.Width, 0); for (int i = width; i 0; i-) for (int j = height; j 0; j-) color = image2.GetPixel(i, j); int R = color.R; int G = color.G; int B = color.B; if (R = 192) R = 255; if (R = 128) R = 4 * R - 510; bool yes; yes = false; if (G = 128 & (!yes) G = 255; yes = true; if (G = 192 & (!yes) G = 1022 - 4 * G; yes = true; if (G = 63 & (!yes) G = 254 - 4 * G; yes = true; if (G = 67 & (!yes) G = 4 * G - 257; if (B = 128) B = 0; if (B = 67 & B = 127) B = 510 - 4 * B; Color colorResult = Color.FromArgb(255, R, G, B); image2.SetPixel(i, j, colorResult); g.DrawImage(image2, new Rectangle(0, 0, width, height); private void rouhuaruihua_Click(object sender, EventArgs e) Graphics graphics = this.CreateGraphics(); graphics.Clear(Color.White); graphics.ScaleTransform(0.8f, 0.8f); Bitmap image = new Bitmap(f:/王小燕/8.bmp); int Width = image.Width; int Height = image.Height; Bitmap image2 = (Bitmap)image.Clone(); Color colorTemp; Color, color = new Color3, 3; graphics.DrawImage(image, new Rectangle(0, 0, Width, Height); for (int i = 1; i Width - 2; i+) for (int j = 1; j Height - 2; j+) color0, 0 = image.GetPixel(i - 1, j - 1); color0, 1 = image.GetPixel(i - 1, j); color0, 2 = image.GetPixel(i - 1, j + 1); color1, 0 = image.GetPixel(i, j - 1); color1, 1 = image.GetPixel(i, j); color1, 2 = image.GetPixel(i, j + 1); color2, 0 = image.GetPixel(i, j - 1); color2, 1 = image.GetPixel(i, j); color2, 2 = image.GetPixel(i + 1, j + 1); int rSum = 0; int gSum = 0; int bSum = 0; for (int n = 0; n 3; n+) for(int nn=0;nn3;nn+) rSum+= colorn,nn.R; gSum+= colorn,nn.G; bSum+= colorn,nn.B; colorTemp = Color.FromArgb(255, (int)(rSum / 9), (int)(bSum / 9), (int)(gSum / 9); image.SetPixel(i, j, colorTemp); graphics.DrawImage(image, new Rectangle(Width, 0, Width, Height); Color colorLeft,colornow; float dep = 0.550f; for (int i = 1; i Width - 1; i+) for (int j = 1; j Height - 1; j+) colornow = image2.GetPixel(i, j); colorLeft = image2.GetPixel(i - 1, j - 1); float r = colornow.R + (colornow.R - colornow.R * dep); r = Math.Min(255, Math.Max(0, r); float g = colornow.G + (colornow.G - colorLeft.G * dep); g = Math.Min(255, Math.Max(0, g); float b = colornow.B + (colornow.B - colorLeft.B * dep); b = Math.Min(255, Math.Max(0, b); colorTemp = Color.FromArgb(255, (int)r, (int)g, (int)b); image2.SetPixel(i, j, colorTemp); graphics.DrawImage(image2, new Rectangle(Width * 2, 0, Width, Height); private void danrudanchu_Click(object sender, EventArgs e) Graphics g = this.CreateGraphics(); g.Clear(Color.Blue); Bitmap bitmap = new Bitmap(f:/王小燕/8.bmp); int iWidth = bitmap.Width; int iHeight = bitmap.Height; float tem = new float 0.0f,0.0f,0.0f,0.0f,0.0f, new float 0.0f,0.0f,0.0f,0.0f,0.0f, new float 0.0f,0.0f,0.0f,0.0f,0.0f, new float 0.0f,0.0f,0.0f,1.0f,0.0f, new float 0.0f,0.0f,0.0f,0.0f,1.0f ; ColorMatrix colorMatrix = new ColorMatrix(tem); ImageAttributes imageAtt = new ImageAttributes(); for (float i = 0.0f; i = 0.0f; i -= 0.02f) colorMatrix.Matrix00 = i; colorMatrix.Matrix11 = i; colorMatrix.Matrix22 = i; colorMatrix.Matrix33 = i; imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); g.DrawImage(bitmap, new Rectangle(0, 0, iWidth, iHeight), 0, 0, iWidth, iHeight, GraphicsUnit.Pixel, imageAtt); private void lvjing_Click(object sender, EventArgs e) Graphics graphics = this.CreateGraphics(); graphics.Clear(Color.White); graphics.ScaleTransform(0.7f, 0.7f); Bitmap image = new Bitmap(f:/王小燕/8.bmp); int Width = image.Width; int Height = image.Height; Bitmap image2 = image.Clone(new Rectangle(0, 0, Width, Height), PixelFormat.DontCare); graphics.DrawImage(image, new Rectangle(0, 0, Width, Height); Color color, colorLeft; for (int i = Width - 1; i 0; i-) for (int j = Height - 1; j 0; j-) color = image.GetPixel(i, j); colorLeft = image.GetPixel(i - 1, j - 1); 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); image.SetPixel(i, j, colorResult); graphics.DrawImage(image, new Rectangle(Width + 10, 0, Width, Height); for (int i = 0; i Height - 1; i+) for (int j = 0; j Width - 1; j+) color = image2.GetPixel(j, i); colorLeft = image.GetPixel(j + 1, i + 1); 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); image.SetPixel(j, i, colorResult); graphics.DrawImage(image, new Rectangle(Width + 10, 0, Width, Height); private void fudiaohediaoke_Click(object sender, EventArgs e) Graphics graphics = this.CreateGraphics(); graphics.Clear(Color.White); graphics.ScaleTransform(0.5f, 0.5f); Bitmap image = new Bitmap(f:/王小燕/8.bmp); int Width = image.Width; int Height = image.Height; Color color,colorTemp; graphics.DrawImage(image, new Rectangle(0, 0, Width, Height); int tmp; for (int i = 0; i Width; i+) for (int j = 0; j = 128) tmp = 2