C#外挂QQ找茬辅助源码，早期开发

 1 /// <summary>  2 /// 提供全屏和指定窗口的截图 以及保存为文件的类  3 /// </summary>  4 public class ScreenCapture  5 {  6 /// <summary>  7 /// 全屏截图  8 /// </summary>  9 /// <returns></returns>  10 public Image CaptureScreen()  11  {  12 return CaptureWindow(User32.GetDesktopWindow());  13  }  14 /// <summary>  15 /// 指定窗口截图  16 /// </summary>  17 /// <param name="handle">窗口句柄. (在windows应用程序中, 从Handle属性获得)</param>  18 /// <returns></returns>  19 public Image CaptureWindow(intptr handle)  20  {  21 IntPtr hdcSrc = User32.GetWindowDC(handle);  22 User32.RECT windowRect = new User32.RECT();  23 User32.GetWindowRect(handle, ref windowRect);  24 int width = windowRect.right - windowRect.left;  25 int height = windowRect.bottom - windowRect.top;  26 IntPtr hdcDest = gdi32.CreateCompatibleDC(hdcSrc);  27 IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);  28 IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);  29 GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, GDI32.SRCCOPY);  30  GDI32.SelectObject(hdcDest, hOld);  31  GDI32.DeleteDC(hdcDest);  32  User32.ReleaseDC(handle, hdcSrc);  33 Image img = Image.FromHbitmap(hBitmap);  34  GDI32.DeleteObject(hBitmap);  35 return img;  36  }  37 /// <summary>  38 /// 指定窗口截图 保存为图片文件  39 /// </summary>  40 /// <param name="handle"></param>  41 /// <param name="filename"></param>  42 /// <param name="format"></param>  43 public void CaptureWindowToFile(IntPtr handle, string filename, ImageFormat format)  44  {  45 Image img = CaptureWindow(handle);  46  img.Save(filename, format);  47  }  48 /// <summary>  49 /// 全屏截图 保存为文件  50 /// </summary>  51 /// <param name="filename"></param>  52 /// <param name="format"></param>  53 public void CaptureScreenToFile(string filename, ImageFormat format)  54  {  55 Image img = CaptureScreen();  56  img.Save(filename, format);  57  }  58  59 /// <summary>  60 /// 辅助类 定义 Gdi32 API 函数  61 /// </summary>  62 private class GDI32  63  {  64  65 public const int SRCCOPY = 0x00CC0020;  66 [DllImport("gdi32.dll")]  67 public static extern bool BitBlt(IntPtr hObject, int nXDest, int nYDest,  68 int nWidth, int nHeight, IntPtr hObjectSource,  69 int nXSrc, int nYSrc, int dwRop);  70 [DllImport("gdi32.dll")]  71 public static extern IntPtr CreateCompatibleBitmap(IntPtr hDC, int nWidth,  72 int nHeight);  73 [DllImport("gdi32.dll")]  74 public static extern IntPtr CreateCompatibleDC(IntPtr hDC);  75 [DllImport("gdi32.dll")]  76 public static extern bool DeleteDC(IntPtr hDC);  77 [DllImport("gdi32.dll")]  78 public static extern bool DeleteObject(IntPtr hObject);  79 [DllImport("gdi32.dll")]  80 public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObject);  81  }  82  83 /// <summary>  84 /// 辅助类 定义User32 API函数  85 /// </summary>  86 private class User32  87  {  88  [StructLayout(LayoutKind.Sequential)]  89 public struct RECT  90  {  91 public int left;  92 public int top;  93 public int right;  94 public int bottom;  95  }  96 [DllImport("user32.dll")]  97 public static extern IntPtr GetDesktopWindow();  98 [DllImport("user32.dll")]  99 public static extern IntPtr GetWindowDC(IntPtr hWnd); 100 [DllImport("user32.dll")] 101 public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC); 102 [DllImport("user32.dll")] 103 public static extern IntPtr GetWindowRect(IntPtr hWnd, ref RECT rect); 104  } 105 }

/// <summary> /// 图像比较.用于找出两副图片之间的差异位置 /// </summary> public class ImageComparer { /// <summary> /// 图像颜色 /// </summary>  [StructLayout(LayoutKind.Explicit)] private struct ICColor { [FieldOffset(0)] public byte B; [FieldOffset(1)] public byte G; [FieldOffset(2)] public byte R; } /// <summary> /// 按5*5大小进行分块比较两个图像. /// </summary> /// <param name="bmp1"></param> /// <param name="bmp2"></param> /// <returns></returns> public static List<Rectangle> Compare(Bitmap bmp1, Bitmap bmp2) { return Compare(bmp1, bmp2, new Size(5, 5)); } /// <summary> /// 比较两个图像 /// </summary> /// <param name="bmp1"></param> /// <param name="bmp2"></param> /// <param name="block"></param> /// <returns></returns> public static List<Rectangle> Compare(Bitmap bmp1, Bitmap bmp2, Size block) { List<Rectangle> rects = new List<Rectangle>(); PixelFormat pf = PixelFormat.Format24bppRgb;//5+1+a+s+p+x  BitmapData bd1 = bmp1.LockBits(new Rectangle(0, 0, bmp1.Width, bmp1.Height), ImageLockMode.ReadOnly, pf); BitmapData bd2 = bmp2.LockBits(new Rectangle(0, 0, bmp2.Width, bmp2.Height), ImageLockMode.ReadOnly, pf); try { unsafe { int w = 0, h = 0; while (h < bd1.Height && h < bd2.Height) { byte* p1 = (byte*)bd1.Scan0 + h * bd1.Stride; byte* p2 = (byte*)bd2.Scan0 + h * bd2.Stride; w = 0; while (w < bd1.Width && w < bd2.Width) { //按块大小进行扫描 for (int i = 0; i < block.Width; i++) { int wi = w + i; if (wi >= bd1.Width || wi >= bd2.Width) break; for (int j = 0; j < block.Height; j++) { int hj = h + j; if (hj >= bd1.Height || hj >= bd2.Height) break; ICColor* pc1 = (ICColor*)(p1 + wi * 3 + bd1.Stride * j); ICColor* pc2 = (ICColor*)(p2 + wi * 3 + bd2.Stride * j); if (pc1->R != pc2->R || pc1->G != pc2->G || pc1->B != pc2->B) { //当前块有某个象素点颜色值不相同.也就是有差异. int bw = Math.Min(block.Width, bd1.Width - w); int bh = Math.Min(block.Height, bd1.Height - h); rects.Add(new Rectangle(w, h, bw, bh)); goto E; } } } E: w += block.Width; } h += block.Height; } } } finally { bmp1.UnlockBits(bd1); bmp2.UnlockBits(bd2); } return rects; } }