void C油表View::OnGdiBlurandsharpen()
{
	// TODO: 在此添加命令处理程序代码
	this->RedrawWindow();
	CDC* pDC = GetDC();
	Graphics graphics(pDC->m_hDC);
	Bitmap image(L"cos.bmp");
	INT Width = image.GetWidth();
	INT Height = image.GetHeight();
	////image2进行锐化处理
	Bitmap* image2 = image.Clone(0, 0, Width, Height, PixelFormatDontCare);
	Color colorTemp, color2;
	Color color[3][3];
	/////绘制原图
	graphics.DrawImage(&image, Rect(0, 0, Width, Height));
	for (int i = 1; i < Width - 2; i++)
	{
		for (int j = 1; j < Height - 2; j++)
		{
			////访问周围9个点的RGB值
			image.GetPixel(i - 1, j - 1, &color[0][0]);
			image.GetPixel(i - 1, j , &color[0][1]);
			image.GetPixel(i , j - 1, &color[0][2]);

			image.GetPixel(i, j - 1, &color[1][0]);
			image.GetPixel(i , j , &color[1][1]);
			image.GetPixel(i - 1, j +1, &color[1][2]);

			image.GetPixel(i + 1, j - 1, &color[2][0]);
			image.GetPixel(i + 1, j , &color[0][2]);
			image.GetPixel(i + 1, j + 1, &color[2][2]);

			int rSum = 0;
			int gSum = 0;
			int bSum = 0;
			////分别求出周围9个点的R,G,B之和
			for (int n = 0; n < 3; n++)
			{
				for (int nn = 0; nn < 3; nn++)
				{
					rSum += color[n][nn].GetRed();
					gSum += color[n][nn].GetGreen();
					bSum += color[n][nn].GetBlue();
				}
				///用RGB的平均值作为当前点的RGB值
				colorTemp.SetValue(color2.MakeARGB(255, float(rSum / 9), float(gSum / 9), float(bSum / 9)));
				///将计算后的RGB值会写到位图
				image.SetPixel(i, j, colorTemp);
			}
			////绘制经过平滑处理的效果图
			graphics.DrawImage(&image, Rect(Width, 0, Width, Height));
		}
		////进行锐化处理
		Color colorLeft, colornow, color3;
		////常量dep锐化系数：锐化系数越大，锐化效果越明显
		float dep = 0.55;
		for (int i = 1; i < Width; i++)
		{
			for (int j = 1; j < Height; j++)
			{
				image2->GetPixel(i, j, &colornow);
				image2->GetPixel(i - 1, j - 1, &colorLeft);

				float r = colornow.GetRed() + (colornow.GetRed() - colorLeft.GetRed()*dep);
				r = min(255, max(0, r));

				float g = colornow.GetGreen() + (colornow.GetGreen() - colorLeft.GetGreen()*dep);
				g = min(255, max(0, g));

				float b = colornow.GetBlue() + (colornow.GetBlue() - colorLeft.GetBlue()*dep);
				b = min(255, max(0, b));
				colorTemp.SetValue(color3.MakeARGB(255, r, g, b));

				///将计算后的RGB值回写到位图
				image2->SetPixel(i, j, colorTemp);
			}
			graphics.DrawImage(image2, Rect(Width * 2, 0, Width, Height));
		}
	}
}

效果实现：