Пример #1
0
        public Raw_Image GetScreen(Size sz)
        {
            IntPtr    hOldBmp = IntPtr.Zero;
            Raw_Image raw     = new Raw_Image();

            try
            {
                var dt = DateTime.Now;

                if (nDesk == IntPtr.Zero)
                {
                    nDesk = PInvoke.GetDesktopWindow();
                }
                if (nSrce == IntPtr.Zero)
                {
                    nSrce = PInvoke.GetWindowDC(nDesk);
                }
                if (nDest == IntPtr.Zero)
                {
                    nDest = PInvoke.CreateCompatibleDC(nSrce);
                }
                if (nBmp == IntPtr.Zero)
                {
                    nBmp = PInvoke.CreateCompatibleBitmap(nSrce, sz.Width, sz.Height);
                }
                else if (sz.Height != PreviousSize.Height || sz.Width != PreviousSize.Width)
                {// user changed resolution.. get new bitmap
                    PInvoke.DeleteObject(nBmp);
                    nBmp = PInvoke.CreateCompatibleBitmap(nSrce, sz.Width, sz.Height);
                }
                PreviousSize = sz;
                hOldBmp      = PInvoke.SelectObject(nDest, nBmp);

                bool b = PInvoke.BitBlt(nDest, 0, 0, sz.Width, sz.Height, nSrce, 0, 0, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);

                Desktop_Sharing_Shared.Screen.PInvoke.BITMAPINFO bi = new PInvoke.BITMAPINFO();

                bi.bmiHeader.biSize          = 40;
                bi.bmiHeader.biWidth         = sz.Width;
                bi.bmiHeader.biHeight        = -sz.Height;
                bi.bmiHeader.biPlanes        = 1;
                bi.bmiHeader.biBitCount      = 32;
                bi.bmiHeader.biCompression   = Desktop_Sharing_Shared.Screen.PInvoke.BitmapCompressionMode.BI_RGB;
                bi.bmiHeader.biSizeImage     = 0;
                bi.bmiHeader.biXPelsPerMeter = 0;
                bi.bmiHeader.biYPelsPerMeter = 0;
                bi.bmiHeader.biClrUsed       = 0;
                bi.bmiHeader.biClrImportant  = 0;
                var dwBmpSize = ((sz.Width * bi.bmiHeader.biBitCount + 31) / 32) * 4 * sz.Height;
                raw.Data       = new byte[dwBmpSize];
                raw.Dimensions = new Rectangle(0, 0, sz.Width, sz.Height);

                Desktop_Sharing_Shared.Screen.PInvoke.GetDIBits(nSrce, nBmp, 0, Convert.ToUInt32(sz.Height), raw.Data, ref bi, PInvoke.DIB_Color_Mode.DIB_RGB_COLORS);
                //unsafe
                //{
                //    fixed(byte* datb = raw.Data)
                //    {
                //        using(Bitmap image = new Bitmap(sz.Width, sz.Height, sz.Width * 4,
                //                 PixelFormat.Format32bppRgb, new IntPtr(datb)))
                //        {

                //            image.Save(@"C:\Users\scott\Desktop\text.png", ImageFormat.Png);
                //        }
                //    }
                //}
                //Bitmap bmp = Bitmap.FromHbitmap(nBmp);
                PInvoke.SelectObject(nDest, hOldBmp);

                // return bmp;
            } catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e.Message);
            }
            // return new Bitmap(sz.Width, sz.Height);
            return(raw);
        }
Пример #2
0
        public Raw_Image GetScreen(Size sz)
        {
            IntPtr hOldBmp = IntPtr.Zero;
            Raw_Image raw = new Raw_Image();
            try
            {
                var dt = DateTime.Now;

                if(nDesk == IntPtr.Zero)
                    nDesk = PInvoke.GetDesktopWindow();
                if(nSrce == IntPtr.Zero)
                    nSrce = PInvoke.GetWindowDC(nDesk);
                if(nDest == IntPtr.Zero)
                    nDest = PInvoke.CreateCompatibleDC(nSrce);
                if(nBmp == IntPtr.Zero)
                    nBmp = PInvoke.CreateCompatibleBitmap(nSrce, sz.Width, sz.Height);
                else if(sz.Height != PreviousSize.Height || sz.Width != PreviousSize.Width)
                {// user changed resolution.. get new bitmap
                    PInvoke.DeleteObject(nBmp);
                    nBmp = PInvoke.CreateCompatibleBitmap(nSrce, sz.Width, sz.Height);
                }
                PreviousSize = sz;
                hOldBmp = PInvoke.SelectObject(nDest, nBmp);

                bool b = PInvoke.BitBlt(nDest, 0, 0, sz.Width, sz.Height, nSrce, 0, 0, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);

                Desktop_Sharing_Shared.Screen.PInvoke.BITMAPINFO bi = new PInvoke.BITMAPINFO();

                bi.bmiHeader.biSize = 40;
                bi.bmiHeader.biWidth = sz.Width;
                bi.bmiHeader.biHeight = -sz.Height;
                bi.bmiHeader.biPlanes = 1;
                bi.bmiHeader.biBitCount = 32;
                bi.bmiHeader.biCompression = Desktop_Sharing_Shared.Screen.PInvoke.BitmapCompressionMode.BI_RGB;
                bi.bmiHeader.biSizeImage = 0;
                bi.bmiHeader.biXPelsPerMeter = 0;
                bi.bmiHeader.biYPelsPerMeter = 0;
                bi.bmiHeader.biClrUsed = 0;
                bi.bmiHeader.biClrImportant = 0;
                var dwBmpSize = ((sz.Width * bi.bmiHeader.biBitCount + 31) / 32) * 4 * sz.Height;
                raw.Data = new byte[dwBmpSize];
                raw.Dimensions = new Rectangle(0, 0, sz.Width, sz.Height);

                Desktop_Sharing_Shared.Screen.PInvoke.GetDIBits(nSrce, nBmp, 0, Convert.ToUInt32(sz.Height), raw.Data, ref bi, PInvoke.DIB_Color_Mode.DIB_RGB_COLORS);
                //unsafe
                //{
                //    fixed(byte* datb = raw.Data)
                //    {
                //        using(Bitmap image = new Bitmap(sz.Width, sz.Height, sz.Width * 4,
                //                 PixelFormat.Format32bppRgb, new IntPtr(datb)))
                //        {

                //            image.Save(@"C:\Users\scott\Desktop\text.png", ImageFormat.Png);
                //        }
                //    }
                //}
                //Bitmap bmp = Bitmap.FromHbitmap(nBmp);
                PInvoke.SelectObject(nDest, hOldBmp);

               // return bmp;
            } catch(Exception e)
            {
                System.Diagnostics.Debug.WriteLine(e.Message);
            }
               // return new Bitmap(sz.Width, sz.Height);
            return raw;
        }