public override void Start(int delay, int left, int top, int width, int height, double scale, ProjectInfo project)
{
base.Start(delay, left, top, width, height, scale, project);
_infoHeader = new Native.BitmapInfoHeader();
_infoHeader.biSize = (uint)Marshal.SizeOf(_infoHeader);
_infoHeader.biBitCount = 24; //Without alpha channel.
_infoHeader.biClrUsed = 0;
_infoHeader.biClrImportant = 0;
_infoHeader.biCompression = 0;
_infoHeader.biHeight = -StartHeight; //Negative, so the Y-axis will be positioned correctly.
_infoHeader.biWidth = StartWidth;
_infoHeader.biPlanes = 1;
//This was working with 32 bits: 3L * Width * Height;
_byteLength = (StartWidth * _infoHeader.biBitCount + 31) / 32 * 4 * StartHeight;
//Due to a strange behavior with the GetDiBits method while the cursor is IBeam, it's best to use 24 bits, to ignore the alpha values.
//This capture mode ignores the alpha value.
project.BitDepth = 24;
_fileStream = new FileStream(project.CachePath, FileMode.Create, FileAccess.Write, FileShare.None);
_bufferedStream = new BufferedStream(_fileStream, UserSettings.All.MemoryCacheSize * 1048576); //Each 1 MB has 1_048_576 bytes.
_compressStream = new DeflateStream(_bufferedStream, UserSettings.All.CaptureCompression, true);
}
/// <summary>
/// Changes the icon of the file to the specified icon.
/// </summary>
/// <param name="icon">The <see cref="Icon" /> to be applied to the file.</param>
public unsafe void ChangeIcon(Icon icon)
{
Check.FileNotFound(Path);
Check.ArgumentNull(icon, nameof(icon));
Native.IconDir iconDir = new Native.IconDir();
List <Native.IconDirEntry> iconEntry = new List <Native.IconDirEntry>();
List <byte[]> iconData = new List <byte[]>();
using (BinaryReader reader = new BinaryReader(new MemoryStream(icon.ToArray())))
{
Marshal.Copy(reader.ReadBytes(sizeof(Native.IconDir)), 0, (IntPtr)(&iconDir), sizeof(Native.IconDir));
for (int i = 0; i < iconDir.Count; i++)
{
Native.IconDirEntry entry = new Native.IconDirEntry();
Marshal.Copy(reader.ReadBytes(sizeof(Native.IconDirEntry)), 0, (IntPtr)(&entry), sizeof(Native.IconDirEntry));
iconEntry.Add(entry);
}
for (int i = 0; i < iconDir.Count; i++)
{
iconData.Add(reader.ReadBytes((int)iconEntry[i].BytesInRes));
}
}
IntPtr update = Native.BeginUpdateResource(Path, false);
byte[] data = new byte[sizeof(Native.IconDir) + sizeof(Native.GroupIconDirEntry) * iconDir.Count];
Marshal.Copy((IntPtr)(&iconDir), data, 0, sizeof(Native.IconDir));
for (int i = 0, offset = sizeof(Native.IconDir); i < iconDir.Count; i++, offset += sizeof(Native.GroupIconDirEntry))
{
Native.BitmapInfoHeader header = new Native.BitmapInfoHeader();
Marshal.Copy(iconData[i], 0, (IntPtr)(&header), sizeof(Native.BitmapInfoHeader));
Native.GroupIconDirEntry groupEntry = new Native.GroupIconDirEntry
{
Width = iconEntry[i].Width,
Height = iconEntry[i].Height,
ColorCount = iconEntry[i].ColorCount,
Reserved = iconEntry[i].Reserved,
Planes = header.Planes,
BitCount = header.BitCount,
BytesInRes = iconEntry[i].BytesInRes,
Id = (ushort)(i + 10)
};
Marshal.Copy((IntPtr)(&groupEntry), data, offset, Marshal.SizeOf(groupEntry));
}
Native.UpdateResource(update, (uint)ResourceType.GroupIcon, 1, 0, data, (uint)data.Length);
for (int i = 0; i < iconDir.Count; i++)
{
Native.UpdateResource(update, (uint)ResourceType.Icon, (uint)(10 + i), 0, iconData[i], (uint)iconData[i].Length);
}
Native.EndUpdateResource(update, false);
}
private void CursorCapture(FrameInfo frame)
{
//if (_justStarted && (CursorShapeBuffer?.Length ?? 0) == 0)
{
//_justStarted = false;
//https://stackoverflow.com/a/6374151/1735672
//Bitmap struct, is used to get the cursor shape when SharpDX fails to do so.
var _infoHeader = new Native.BitmapInfoHeader();
_infoHeader.biSize = (uint)Marshal.SizeOf(_infoHeader);
_infoHeader.biBitCount = 32;
_infoHeader.biClrUsed = 0;
_infoHeader.biClrImportant = 0;
_infoHeader.biCompression = 0;
_infoHeader.biHeight = -Height; //Negative, so the Y-axis will be positioned correctly.
_infoHeader.biWidth = Width;
_infoHeader.biPlanes = 1;
try
{
var cursorInfo = new Native.CursorInfo();
cursorInfo.cbSize = Marshal.SizeOf(cursorInfo);
if (Native.GetCursorInfo(out cursorInfo))
{
if (cursorInfo.flags == Native.CursorShowing)
{
var hicon = Native.CopyIcon(cursorInfo.hCursor);
if (hicon != IntPtr.Zero)
{
if (Native.GetIconInfo(hicon, out var iconInfo))
{
frame.CursorX = cursorInfo.ptScreenPos.X - Left;
frame.CursorY = cursorInfo.ptScreenPos.Y - Top;
var bitmap = new Native.Bitmap();
var hndl = GCHandle.Alloc(bitmap, GCHandleType.Pinned);
var ptrToBitmap = hndl.AddrOfPinnedObject();
Native.GetObject(iconInfo.hbmColor, Marshal.SizeOf <Native.Bitmap>(), ptrToBitmap);
bitmap = Marshal.PtrToStructure <Native.Bitmap>(ptrToBitmap);
hndl.Free();
//https://microsoft.public.vc.mfc.narkive.com/H1CZeqUk/how-can-i-get-bitmapinfo-object-from-bitmap-or-hbitmap
_infoHeader.biHeight = bitmap.bmHeight;
_infoHeader.biWidth = bitmap.bmWidth;
_infoHeader.biBitCount = (ushort)bitmap.bmBitsPixel;
var w = (bitmap.bmWidth * bitmap.bmBitsPixel + 31) / 8;
CursorShapeBuffer = new byte[w * bitmap.bmHeight];
var windowDeviceContext = Native.GetWindowDC(IntPtr.Zero);
var compatibleBitmap = Native.CreateCompatibleBitmap(windowDeviceContext, Width, Height);
Native.GetDIBits(windowDeviceContext, compatibleBitmap, 0, (uint)_infoHeader.biHeight, CursorShapeBuffer, ref _infoHeader, Native.DibColorMode.DibRgbColors);
//if (frame.CursorX > 0 && frame.CursorY > 0)
// Native.DrawIconEx(_compatibleDeviceContext, frame.CursorX - iconInfo.xHotspot, frame.CursorY - iconInfo.yHotspot, cursorInfo.hCursor, 0, 0, 0, IntPtr.Zero, 0x0003);
//Clean objects here.
}
Native.DeleteObject(iconInfo.hbmColor);
Native.DeleteObject(iconInfo.hbmMask);
}
Native.DestroyIcon(hicon);
}
Native.DeleteObject(cursorInfo.hCursor);
}
}
catch (Exception e)
{
LogWriter.Log(e, "Impossible to get the cursor");
}
}
}
public void Other()
{
var hDC = Native.GetWindowDC(IntPtr.Zero);
var hMemDC = Native.CreateCompatibleDC(hDC);
var bi = new Native.BitmapInfoHeader();
bi.biSize = (uint)Marshal.SizeOf(bi);
bi.biBitCount = 24; //Creating RGB bitmap. The following three members don't matter
bi.biClrUsed = 0;
bi.biClrImportant = 0;
bi.biCompression = 0;
bi.biHeight = Height;
bi.biWidth = Width;
bi.biPlanes = 1;
var cb = (int)(bi.biHeight * bi.biWidth * bi.biBitCount / 8); //8 is bits per byte.
bi.biSizeImage = (uint)(((((bi.biWidth * bi.biBitCount) + 31) & ~31) / 8) * bi.biHeight);
//bi.biXPelsPerMeter = XPelsPerMeter;
//bi.biYPelsPerMeter = YPelsPerMeter;
bi.biXPelsPerMeter = 96;
bi.biYPelsPerMeter = 96;
var pBits = IntPtr.Zero;
//Allocate memory for bitmap bits
var pBI = Native.LocalAlloc((uint)Native.LocalMemoryFlags.LPTR, new UIntPtr(bi.biSize));
// Not sure if this needed - simply trying to keep marshaller happy
Marshal.StructureToPtr(bi, pBI, false);
//This will return IntPtr to actual DIB bits in pBits
var hBmp = Native.CreateDIBSection(hDC, ref pBI, 0, out pBits, IntPtr.Zero, 0);
//Marshall back - now we have BitmapInfoHeader correctly filled in Marshal.PtrToStructure(pBI, bi);
var biNew = (Native.BitmapInfoHeader)Marshal.PtrToStructure(pBI, typeof(Native.BitmapInfoHeader));
//Usual stuff
var hOldBitmap = Native.SelectObject(hMemDC, hBmp);
//Grab bitmap
var nRet = Native.BitBlt(hMemDC, 0, 0, bi.biWidth, bi.biHeight, hDC, Left, Top, Native.CopyPixelOperation.SourceCopy | Native.CopyPixelOperation.CaptureBlt);
// Allocate memory for a copy of bitmap bits
var RealBits = new byte[cb];
// And grab bits from DIBSestion data
Marshal.Copy(pBits, RealBits, 0, cb);
//This simply creates valid bitmap file header, so it can be saved to disk
var bfh = new Native.BitmapFileHeader();
bfh.bfSize = (uint)cb + 0x36; // Size of header + size of Native.BitmapInfoHeader size of bitmap bits
bfh.bfType = 0x4d42; //BM
bfh.bfOffBits = 0x36; //
var HdrSize = 14;
var header = new byte[HdrSize];
BitConverter.GetBytes(bfh.bfType).CopyTo(header, 0);
BitConverter.GetBytes(bfh.bfSize).CopyTo(header, 2);
BitConverter.GetBytes(bfh.bfOffBits).CopyTo(header, 10);
//Allocate enough memory for complete bitmap file
var data = new byte[cb + bfh.bfOffBits];
//BITMAPFILEHEADER
header.CopyTo(data, 0);
//BitmapInfoHeader
header = new byte[Marshal.SizeOf(bi)];
var pHeader = Native.LocalAlloc((uint)Native.LocalMemoryFlags.LPTR, new UIntPtr((uint)Marshal.SizeOf(bi)));
Marshal.StructureToPtr(biNew, pHeader, false);
Marshal.Copy(pHeader, header, 0, Marshal.SizeOf(bi));
Native.LocalFree(pHeader);
header.CopyTo(data, HdrSize);
//Bitmap bits
RealBits.CopyTo(data, (int)bfh.bfOffBits);
//Native.SelectObject(_compatibleDeviceContext, _oldBitmap);
//Native.DeleteObject(_compatibleBitmap);
//Native.DeleteDC(_compatibleDeviceContext);
//Native.ReleaseDC(_desktopWindow, _windowDeviceContext);
Native.SelectObject(hMemDC, hOldBitmap);
Native.DeleteObject(hBmp);
Native.DeleteDC(hMemDC);
Native.ReleaseDC(IntPtr.Zero, hDC);
}