private ScreenshotTask GetParamteresFromUI()
{
var type = ScreenshotTask.BackgroundType.Transparent;
if (_settings.opaqueCheckbox && _settings.opaqueType == 0)
{
type = ScreenshotTask.BackgroundType.Checkerboard;
}
else if (_settings.opaqueCheckbox && _settings.opaqueType == 1)
{
type = ScreenshotTask.BackgroundType.SolidColor;
}
return
(new ScreenshotTask(
WindowsApi.GetForegroundWindow(),
_settings.clipboardButton,
_settings.folderTextBox,
_settings.resizeCheckbox,
_settings.windowWidth,
_settings.windowHeight,
type,
Color.FromArgb(Convert.ToInt32("FF" + _settings.opaqueColorHexBox, 16)),
_settings.checkerValue,
_settings.aeroColorCheckbox,
Color.FromArgb(Convert.ToInt32("FF" + _settings.aeroColorHexBox, 16)),
_settings.mouseCheckbox,
_settings.clearTypeCheckbox,
_settings.shadowCheckbox));
}
private static bool AeroEnabled()
{
bool aeroEnabled;
WindowsApi.DwmIsCompositionEnabled(out aeroEnabled);
return(aeroEnabled);
}
protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
if (m.Msg == WM_HOTKEY)
{
ScreenshotTask info = GetParamteresFromUI(true);
_worker = new Thread(() => Screenshot.CaptureWindow(ref info))
{
IsBackground = true
};
_worker.SetApartmentState(ApartmentState.STA);
_worker.Start();
}
if (m.Msg == WM_DWMCOMPOSITIONCHANGED)
{
WindowsApi.DwmIsCompositionEnabled(ref _dwmComposited);
if (_dwmComposited)
{
ssButton.Location = new Point(ssButton.Location.X, 310);
var margin = new WindowsMargins(0, 0, 0, 35);
WindowsApi.DwmExtendFrameIntoClientArea(Handle, ref margin);
}
else
{
ssButton.Location = new Point(ssButton.Location.X, 305);
}
}
}
private static Bitmap CaptureScreenRegion(Rectangle crop)
{
Rectangle totalSize = Rectangle.Empty;
foreach (Screen s in Screen.AllScreens)
{
totalSize = Rectangle.Union(totalSize, s.Bounds);
}
IntPtr hSrc = WindowsApi.CreateDC("DISPLAY", null, null, 0);
IntPtr hDest = WindowsApi.CreateCompatibleDC(hSrc);
IntPtr hBmp = WindowsApi.CreateCompatibleBitmap(hSrc,
crop.Right -
crop.Left,
crop.Bottom -
crop.Top);
IntPtr hOldBmp = WindowsApi.SelectObject(hDest, hBmp);
WindowsApi.BitBlt(hDest, 0, 0, crop.Right - crop.Left,
crop.Bottom - crop.Top, hSrc, crop.Left, crop.Top,
CopyPixelOperation.SourceCopy |
CopyPixelOperation.CaptureBlt);
Bitmap bmp = Image.FromHbitmap(hBmp);
WindowsApi.SelectObject(hDest, hOldBmp);
WindowsApi.DeleteObject(hBmp);
WindowsApi.DeleteDC(hDest);
WindowsApi.DeleteDC(hSrc);
return(bmp.Clone(new Rectangle(0, 0, bmp.Width, bmp.Height),
PixelFormat.Format24bppRgb));
}
private ScreenshotTask GetParamteresFromUI()
{
return
(new ScreenshotTask(
WindowsApi.GetForegroundWindow(),
_settings.clipboardButton,
_settings.folderTextBox,
_settings.resizeCheckbox,
_settings.windowWidth,
_settings.windowHeight,
_settings.aeroColorCheckbox,
Color.FromArgb(Convert.ToInt32("FF" + _settings.aeroColorHexBox, 16)),
_settings.mouseCheckbox,
_settings.clearTypeCheckbox,
_settings.shadowCheckbox,
_settings.saveActiveDarkCheckbox,
_settings.saveActiveLightCheckbox,
_settings.saveInactiveDarkCheckbox,
_settings.saveInactiveLightCheckbox,
_settings.saveMaskCheckbox,
_settings.saveActiveTransparentCheckbox,
_settings.saveInactiveTransparentCheckbox,
_settings.canvasSizeCheckbox,
_settings.canvasWidth,
_settings.canvasHeight,
_settings.cropModeKeepCenteredButton));
}
private void FormClose(object sender, FormClosingEventArgs e)
{
foreach (var id in _windowId)
{
WindowsApi.UnregisterHotKey(Handle, id);
}
}
private bool ListWindows(IntPtr hWnd, int lParam)
{
if (!WindowsApi.IsWindowVisible(hWnd))
{
return(true);
}
if ((WindowsApi.GetWindowLong(hWnd, GWL_EXSTYLE) & WS_EX_APPWINDOW) !=
WS_EX_APPWINDOW)
{
if (WindowsApi.GetWindow(hWnd, GW_OWNER) != IntPtr.Zero)
{
return(true);
}
if ((WindowsApi.GetWindowLong(hWnd, GWL_EXSTYLE) &
WS_EX_TOOLWINDOW) == WS_EX_TOOLWINDOW)
{
return(true);
}
if ((WindowsApi.GetWindowLong(hWnd, GWL_STYLE) & WS_CHILD) ==
WS_CHILD)
{
return(true);
}
}
int length = WindowsApi.GetWindowTextLength(hWnd);
var sb = new StringBuilder(length + 1);
WindowsApi.GetWindowText(hWnd, sb, sb.Capacity);
_handleList.Add(hWnd);
windowList.Items.Add(sb.ToString());
return(true);
}
private static void SmartResizeWindow(ref ScreenshotTask data, out WindowsRect oldWindowSize)
{
oldWindowSize = new WindowsRect(0);
if ((WindowsApi.GetWindowLong(data.WindowHandle, GWL_STYLE) & WS_SIZEBOX) != WS_SIZEBOX)
{
return;
}
var r = new WindowsRect();
WindowsApi.GetWindowRect(data.WindowHandle, ref r);
oldWindowSize = r;
Bitmap f = CaptureCompositeScreenshot(ref data);
if (f != null)
{
WindowsApi.SetWindowPos(data.WindowHandle, (IntPtr)0, r.Left, r.Top, data.ResizeX - (f.Width - (r.Right - r.Left)), data.ResizeY - (f.Height - (r.Bottom - r.Top)), SWP_SHOWWINDOW);
f.Dispose();
}
else
{
WindowsApi.SetWindowPos(data.WindowHandle, (IntPtr)0, r.Left, r.Top, data.ResizeX, data.ResizeY, SWP_SHOWWINDOW);
}
}
private static void DrawCursorToBitmap(Bitmap windowImage, Point offsetLocation)
{
var ci = new CursorInfoStruct();
ci.cbSize = Marshal.SizeOf(ci);
if (WindowsApi.GetCursorInfo(out ci))
{
if (ci.flags == 1)
{
IntPtr hicon = WindowsApi.CopyIcon(ci.hCursor);
IconInfoStruct icInfo;
if (WindowsApi.GetIconInfo(hicon, out icInfo))
{
var loc = new Point(ci.ptScreenPos.X - offsetLocation.X - icInfo.xHotspot, ci.ptScreenPos.Y - offsetLocation.Y - icInfo.yHotspot);
Icon ic = Icon.FromHandle(hicon);
Bitmap bmp = ic.ToBitmap();
Graphics g = Graphics.FromImage(windowImage);
g.DrawImage(bmp, new Rectangle(loc, bmp.Size));
g.Dispose();
WindowsApi.DestroyIcon(hicon);
bmp.Dispose();
}
}
}
}
public Hotkeys()
{
_windowId = new[] { GetHashCode(), GetHashCode() ^ 327 };
WindowsApi.RegisterHotKey(Handle, _windowId[0], MOD_ALT, (int)Keys.PrintScreen);
WindowsApi.RegisterHotKey(Handle, _windowId[1], MOD_ALT | MOD_CONTROL, (int)Keys.PrintScreen);
this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormClose);
}
private void RefreshButtonClick(object sender, EventArgs e)
{
_handleList.Clear();
windowList.Items.Clear();
_callBackPtr = ListWindows;
WindowsApi.EnumWindows(_callBackPtr, (IntPtr)0);
windowList.SelectedIndex = 0;
}
public Hotkeys()
{
_settings = new Settings();
_windowId = new[] { GetHashCode(), GetHashCode() ^ 327 };
WindowsApi.RegisterHotKey(Handle, _windowId[0], _settings.hotkeyModifier, _settings.hotkeyKey);
//WindowsApi.RegisterHotKey(Handle, _windowId[1], MOD_ALT | MOD_CONTROL, (int)Keys.PrintScreen);
this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormClose);
}
private static bool GlassAvailable()
{
if (Environment.OSVersion.Version.Major >= 6 && Environment.OSVersion.Version.Minor > 1)
{
return(false);
}
bool aeroEnabled;
WindowsApi.DwmIsCompositionEnabled(out aeroEnabled);
return(aeroEnabled);
}
private void FormClose(object sender, FormClosingEventArgs e)
{
WindowsApi.UnregisterHotKey(Handle, _windowId);
if (clipboardButton.Checked)
{
_registryKey.SetValue("LastPath", "*" + folderTextBox.Text);
}
else
{
_registryKey.SetValue("LastPath", folderTextBox.Text);
}
// Save resizing settings in an 8-byte long
var b = new byte[8];
b[0] = (byte)(resizeCheckbox.Checked ? 1 : 0);
b[3] = (byte)((int)windowWidth.Value & 0xff);
b[2] = (byte)(((int)windowWidth.Value >> 8) & 0xff);
b[1] = (byte)(((int)windowWidth.Value >> 16) & 0xff);
b[6] = (byte)((int)windowHeight.Value & 0xff);
b[5] = (byte)(((int)windowHeight.Value >> 8) & 0xff);
b[4] = (byte)(((int)windowHeight.Value >> 16) & 0xff);
long data = BitConverter.ToInt64(b, 0);
_registryKey.SetValue("WindowSize", data, RegistryValueKind.QWord);
// Save background colour settings in an 8-byte long
b = new byte[8];
b[0] = (byte)(opaqueCheckbox.Checked ? 1 : 0);
b[0] += (byte)Math.Pow(2, opaqueType.SelectedIndex + 1);
b[1] = (byte)(checkerValue.Value - 2);
b[2] = colourDialog.Color.R;
b[3] = colourDialog.Color.G;
b[4] = colourDialog.Color.B;
data = BitConverter.ToInt64(b, 0);
_registryKey.SetValue("Opaque", data, RegistryValueKind.QWord);
_registryKey.SetValue("CapturePointer",
mouseCheckbox.Checked ? 1 : 0,
RegistryValueKind.DWord);
}
private static bool GlassAvailable()
{
if ((Environment.OSVersion.Version.Major >= 6 && Environment.OSVersion.Version.Minor > 1) || Environment.OSVersion.Version.Major >= 10 || Environment.OSVersion.Version.Major < 6)
{
return(false);
}
bool aeroEnabled = true;
try {
WindowsApi.DwmIsCompositionEnabled(out aeroEnabled);
}
catch (Exception)
{
//This is fallback intended for beta versions of Windows Vista
}
return(aeroEnabled);
}
private static bool ClearTypeEnabled()
{
int sv = 0;
/* Call to systemparametersinfo to get the font smoothing value. */
WindowsApi.SystemParametersInfo(SPI_GETFONTSMOOTHING, 0, ref sv, 0);
int stv = 0;
/* Call to systemparametersinfo to get the font smoothing Type value. */
WindowsApi.SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, ref stv, 0);
if (sv > 0 && stv == 2) //if smoothing is on, and is set to cleartype
{
return(true);
}
else
{
return(false);
}
}
private void OnPaint(object sender, PaintEventArgs e)
{
if (_dwmComposited)
{
var rc = new Rectangle(0, ClientSize.Height - 35,
ClientSize.Width, 35);
IntPtr destdc = e.Graphics.GetHdc();
IntPtr memdc = WindowsApi.CreateCompatibleDC(destdc);
IntPtr bitmapOld = IntPtr.Zero;
var dib = new BitmapInfo {
biHeight = -(rc.Bottom - rc.Top),
biWidth = rc.Right - rc.Left,
biPlanes = 1,
biSize = Marshal.SizeOf(typeof(BitmapInfo)),
biBitCount = 32,
biCompression = 0
};
if (WindowsApi.SaveDC(memdc) != 0)
{
IntPtr tmp;
IntPtr bitmap = WindowsApi.CreateDIBSection(memdc, ref dib,
0, out tmp,
IntPtr.Zero, 0);
if (!(bitmap == IntPtr.Zero))
{
bitmapOld = WindowsApi.SelectObject(memdc, bitmap);
WindowsApi.BitBlt(destdc, rc.Left, rc.Top,
rc.Right - rc.Left, rc.Bottom - rc.Top,
memdc, 0, 0,
CopyPixelOperation.SourceCopy);
}
WindowsApi.SelectObject(memdc, bitmapOld);
WindowsApi.DeleteObject(bitmap);
WindowsApi.DeleteDC(memdc);
}
e.Graphics.ReleaseHdc(destdc);
}
e.Graphics.DrawImage(_ssButtonImage,
new Rectangle(ssButton.Location, ssButton.Size));
}
private ScreenshotTask GetParamteresFromUI(bool useForegroundWindow)
{
var type = ScreenshotTask.BackgroundType.Transparent;
if (opaqueCheckbox.Checked && opaqueType.SelectedIndex == 0)
{
type = ScreenshotTask.BackgroundType.Checkerboard;
}
else if (opaqueCheckbox.Checked && opaqueType.SelectedIndex == 1)
{
type = ScreenshotTask.BackgroundType.SolidColour;
}
return
(new ScreenshotTask(
useForegroundWindow
? WindowsApi.GetForegroundWindow()
: _handleList[windowList.SelectedIndex],
clipboardButton.Checked, folderTextBox.Text,
resizeCheckbox.Checked, (int)windowWidth.Value,
(int)windowHeight.Value, type, colourDialog.Color,
(int)checkerValue.Value,
useForegroundWindow && mouseCheckbox.Checked));
}
private static unsafe Bitmap[] CaptureCompositeScreenshot(ref ScreenshotTask data)
{
// Generate a rectangle with the size of all monitors combined
Rectangle totalSize = Rectangle.Empty;
foreach (Screen s in Screen.AllScreens)
{
totalSize = Rectangle.Union(totalSize, s.Bounds);
}
var rct = new WindowsRect();
if (WindowsApi.DwmGetWindowAttribute(data.WindowHandle, DwmWindowAttribute.ExtendedFrameBounds, ref rct, sizeof(WindowsRect)) != 0)
{
// DwmGetWindowAttribute() failed, usually means Aero is disabled so we fall back to GetWindowRect()
WindowsApi.GetWindowRect(data.WindowHandle, ref rct);
}
else
{
// DwmGetWindowAttribute() succeeded
}
// Get DPI of the window (this only works properly on Win 10 1607+) but it is not really needed until Win 11 anyway
int DPI = 96;
try
{
DPI = WindowsApi.GetDpiForWindow(data.WindowHandle);
}
catch { }
// Adjust margin for DPI
double scalingFactor = DPI / 96;
int backdropOffset = Convert.ToInt32(100 * scalingFactor);
// Add a 100px margin for window shadows. Excess transparency is trimmed out later
rct.Left -= backdropOffset;
rct.Right += backdropOffset;
rct.Top -= backdropOffset;
rct.Bottom += backdropOffset;
// These next 4 checks handle if the window is outside of the visible screen
if (rct.Left < totalSize.Left)
{
rct.Left = totalSize.Left;
}
if (rct.Right > totalSize.Right)
{
rct.Right = totalSize.Right;
}
if (rct.Top < totalSize.Top)
{
rct.Top = totalSize.Top;
}
if (rct.Bottom > totalSize.Bottom)
{
rct.Bottom = totalSize.Bottom;
}
// Spawning backdrop
// Handling as much as possible in the constructor makes this easier to render, which makes capture less likely to fail on underpowered PCs
Color tmpColor = Color.White;
var backdrop = new Form
{
BackColor = tmpColor,
FormBorderStyle = FormBorderStyle.None,
ShowInTaskbar = false,
//Opacity = 0,
Size = new Size(rct.Right - rct.Left, rct.Bottom - rct.Top),
StartPosition = FormStartPosition.Manual,
Location = new Point(rct.Left, rct.Top)
};
WindowsApi.ShowWindow(backdrop.Handle, 4);
if (!WindowsApi.SetWindowPos(backdrop.Handle, data.WindowHandle, rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top, SWP_NOACTIVATE))
{
// We are unable to put backdrop directly behind the window, so we will put it into the foreground and then put the original window on top of it
// This likely happens because the program we're trying to capture is running as administrator
WindowsApi.SetWindowPos(backdrop.Handle, IntPtr.Zero, rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top, SWP_NOACTIVATE);
WindowsApi.SetForegroundWindow(data.WindowHandle).ToString();
}
RefreshBackdrop();
// Capture screenshot with white background
Bitmap whiteShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.BackColor = Color.Black;
RefreshBackdrop();
// Capture screenshot with black background
Bitmap blackShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
Bitmap transparentImage;
Bitmap transparentInactiveImage = null;
Bitmap transparentWhiteImage = null;
Bitmap transparentWhiteInactiveImage = null;
Bitmap transparentMaskImage = null;
Bitmap transparentTransparentImage = null;
Bitmap transparentTransparentInactiveImage = null;
transparentImage = DifferentiateAlpha(whiteShot, blackShot, false);
if (data.SaveActiveLight)
{
transparentWhiteImage = DifferentiateAlpha(whiteShot, blackShot, true);
}
whiteShot.Dispose();
blackShot.Dispose();
//Capture black mask screenshot
if (data.SaveMask)
{
int minAlpha = 0;
bool isCompositing = false;
bool ShadowToggled = false;
bool ColorToggled = false;
try
{
WindowsApi.DwmIsCompositionEnabled(out isCompositing);
}
catch (Exception)
{
//OS doesn't have a supported version of DWM
}
//We can't disable shadows on Vista without disabling DWM, which would cause the mask to be inaccurate
UInt32 ColorizationColor = 0;
bool fOpaque = true;
if (isCompositing && (VersionHelpers.IsWindowsVista() || VersionHelpers.IsWindows11()))
{
minAlpha = 254;
WindowsApi.DwmGetColorizationColor(out ColorizationColor, out fOpaque);
if (fOpaque == false)
{
WindowsApi.DwmpSetColorization(ColorizationColor, true, 0xFF);
ColorToggled = true;
}
}
else if (ShadowEnabled())
{
WindowsApi.SystemParametersInfo(SPI_SETDROPSHADOW, 0, false, 0);
ShadowToggled = true;
}
backdrop.BackColor = Color.White;
RefreshBackdrop();
Bitmap whiteMaskShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.BackColor = Color.Black;
RefreshBackdrop();
Bitmap blackMaskShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
transparentMaskImage = CreateMask(DifferentiateAlpha(whiteMaskShot, blackMaskShot, false), minAlpha);
if (ShadowToggled)
{
WindowsApi.SystemParametersInfo(SPI_SETDROPSHADOW, 0, true, 0);
}
if (ColorToggled)
{
WindowsApi.DwmpSetColorization(ColorizationColor, fOpaque, 0xFF);
}
whiteMaskShot.Dispose();
blackMaskShot.Dispose();
}
//Capture active fully transparent
if (data.SaveActiveTransparent)
{
try
{
//win 7
WindowsApi.DWM_COLORIZATION_PARAMS parameters, originalParameters = new WindowsApi.DWM_COLORIZATION_PARAMS();
//win vista
UInt32 ColorizationColor = 0;
bool fOpaque = true;
if (VersionHelpers.IsWindowsVista())
{
WindowsApi.DwmGetColorizationColor(out ColorizationColor, out fOpaque);
if (fOpaque == false)
{
WindowsApi.DwmpSetColorization(0xFFFFFF, false, 0xFF);
}
}
else
{
WindowsApi.DwmGetColorizationParameters(out parameters);
WindowsApi.DwmGetColorizationParameters(out originalParameters);
//Set custom fully transparent parameters
parameters.clrAfterGlowBalance = 0;
parameters.clrBlurBalance = 100;
parameters.nIntensity = 0;
// Call the DwmSetColorizationParameters to make the change take effect.
WindowsApi.DwmSetColorizationParameters(ref parameters, false);
}
backdrop.BackColor = Color.White;
RefreshBackdrop();
Bitmap whiteTransparentShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.BackColor = Color.Black;
RefreshBackdrop();
Bitmap blackTransparentShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
transparentTransparentImage = DifferentiateAlpha(whiteTransparentShot, blackTransparentShot, false);
whiteTransparentShot.Dispose();
blackTransparentShot.Dispose();
if (VersionHelpers.IsWindowsVista())
{
WindowsApi.DwmpSetColorization(ColorizationColor, fOpaque, 0xFF);
}
else
{
WindowsApi.DwmSetColorizationParameters(ref originalParameters, false);
}
}
catch (Exception)
{
transparentTransparentImage = new Bitmap(transparentImage);
}
}
//Show form to steal focus
var emptyForm = new Form
{
FormBorderStyle = FormBorderStyle.None,
ShowInTaskbar = false,
Opacity = 0,
};
WindowsApi.ShowWindow(emptyForm.Handle, 5);
WindowsApi.SetWindowPos(emptyForm.Handle, data.WindowHandle, rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top, 0);
WindowsApi.SetForegroundWindow(emptyForm.Handle);
// Capture inactive screenshots
if (data.SaveInactiveDark || data.SaveInactiveLight)
{
backdrop.BackColor = Color.White;
RefreshBackdrop();
// Capture inactive screenshot with white background
Bitmap whiteInactiveShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.BackColor = Color.Black;
RefreshBackdrop();
// Capture inactive screenshot with black background
Bitmap blackInactiveShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
if (data.SaveInactiveDark)
{
transparentInactiveImage = DifferentiateAlpha(whiteInactiveShot, blackInactiveShot, false);
}
if (data.SaveInactiveLight)
{
transparentWhiteInactiveImage = DifferentiateAlpha(whiteInactiveShot, blackInactiveShot, true);
}
whiteInactiveShot.Dispose();
blackInactiveShot.Dispose();
}
//Capture inactive fully transparent
if (data.SaveInactiveTransparent)
{
try
{
//Get original colorization parameters
WindowsApi.DWM_COLORIZATION_PARAMS parameters, originalParameters;
WindowsApi.DwmGetColorizationParameters(out parameters);
WindowsApi.DwmGetColorizationParameters(out originalParameters);
//Set custom fully transparent parameters
parameters.clrAfterGlowBalance = 0;
parameters.clrBlurBalance = 100;
parameters.nIntensity = 0;
// Call the DwmSetColorizationParameters to make the change take effect.
WindowsApi.DwmSetColorizationParameters(ref parameters, false);
backdrop.BackColor = Color.White;
RefreshBackdrop();
Bitmap whiteTransparentInactiveShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.BackColor = Color.Black;
RefreshBackdrop();
Bitmap blackTransparentInactiveShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
transparentTransparentInactiveImage = DifferentiateAlpha(whiteTransparentInactiveShot, blackTransparentInactiveShot, false);
whiteTransparentInactiveShot.Dispose();
blackTransparentInactiveShot.Dispose();
WindowsApi.DwmSetColorizationParameters(ref originalParameters, false);
}
catch (Exception)
{
transparentTransparentInactiveImage = new Bitmap(transparentInactiveImage);
}
}
backdrop.Dispose();
emptyForm.Dispose();
if (data.CaptureMouse)
{
DrawCursorToBitmap(transparentImage, new Point(rct.Left, rct.Top));
}
Bitmap[] final = CropEmptyEdges(new[] { transparentImage, transparentInactiveImage, transparentWhiteImage, transparentWhiteInactiveImage, transparentMaskImage, transparentTransparentImage, transparentTransparentInactiveImage }, Color.FromArgb(0, 0, 0, 0), ref data);
// Returns a bitmap with transparency, calculated by differentiating the white and black screenshots
return(final);
}
public MainForm()
{
DoubleBuffered = true;
Icon = Icon.ExtractAssociatedIcon(Application.ExecutablePath);
InitializeComponent();
if (WindowsApi.DwmIsCompositionEnabled(ref _dwmComposited) == 0)
{
if (_dwmComposited)
{
ssButton.Location = new Point(ssButton.Location.X, 310);
var margin = new WindowsMargins(0, 0, 0, 35);
WindowsApi.DwmExtendFrameIntoClientArea(Handle, ref margin);
}
}
_windowId = GetHashCode();
WindowsApi.RegisterHotKey(Handle, _windowId, MOD_ALT,
(int)Keys.PrintScreen);
object value;
_registryKey =
Registry.CurrentUser.CreateSubKey(@"Software\AeroShot");
if ((value = _registryKey.GetValue("LastPath")) != null &&
value.GetType() == (typeof(string)))
{
if (((string)value).Substring(0, 1) == "*")
{
folderTextBox.Text = ((string)value).Substring(1);
clipboardButton.Checked = true;
}
else
{
folderTextBox.Text = (string)value;
diskButton.Checked = true;
}
}
else
{
folderTextBox.Text =
Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
}
if ((value = _registryKey.GetValue("WindowSize")) != null &&
value.GetType() == (typeof(long)))
{
var b = new byte[8];
for (int i = 0; i < 8; i++)
{
b[i] = (byte)(((long)value >> (i * 8)) & 0xff);
}
resizeCheckbox.Checked = (b[0] & 1) == 1;
windowWidth.Value = b[1] << 16 | b[2] << 8 | b[3];
windowHeight.Value = b[4] << 16 | b[5] << 8 | b[6];
}
if ((value = _registryKey.GetValue("Opaque")) != null &&
value.GetType() == (typeof(long)))
{
var b = new byte[8];
for (int i = 0; i < 8; i++)
{
b[i] = (byte)(((long)value >> (i * 8)) & 0xff);
}
opaqueCheckbox.Checked = (b[0] & 1) == 1;
if ((b[0] & 2) == 2)
{
opaqueType.SelectedIndex = 0;
}
if ((b[0] & 4) == 4)
{
opaqueType.SelectedIndex = 1;
}
checkerValue.Value = b[1] + 2;
var hex = new StringBuilder(6);
hex.AppendFormat("{0:X2}", b[2]);
hex.AppendFormat("{0:X2}", b[3]);
hex.AppendFormat("{0:X2}", b[4]);
colourHexBox.Text = hex.ToString();
}
else
{
opaqueType.SelectedIndex = 0;
}
if ((value = _registryKey.GetValue("CapturePointer")) != null &&
value.GetType() == (typeof(int)))
{
mouseCheckbox.Checked = ((int)value & 1) == 1;
}
groupBox1.Enabled = resizeCheckbox.Checked;
groupBox2.Enabled = opaqueCheckbox.Checked;
groupBox3.Enabled = mouseCheckbox.Checked;
_ssButtonImage = Resources.capture;
}
internal static void CaptureWindow(ref ScreenshotTask data)
{
IntPtr start = WindowsApi.FindWindow("Button", "Start");
IntPtr taskbar = WindowsApi.FindWindow("Shell_TrayWnd", null);
if (data.ClipboardNotDisk || Directory.Exists(data.DiskSaveDirectory))
{
try
{
// Hide the taskbar, just incase it gets in the way
if (data.WindowHandle != start &&
data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 0);
WindowsApi.ShowWindow(taskbar, 0);
Application.DoEvents();
}
bool ClearTypeToggled = false;
if (data.DisableClearType && ClearTypeEnabled())
{
WindowsApi.SystemParametersInfo(SPI_SETFONTSMOOTHINGTYPE, 0, FE_FONTSMOOTHINGSTANDARD, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
WindowsApi.RedrawWindow(data.WindowHandle, IntPtr.Zero, IntPtr.Zero, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
ClearTypeToggled = true;
}
WindowsApi.SetForegroundWindow(data.WindowHandle);
bool AeroColorToggled = false;
WindowsApi.DWM_COLORIZATION_PARAMS originalParameters;
WindowsApi.DwmGetColorizationParameters(out originalParameters);
if (data.CustomGlass && AeroEnabled())
{
// Original colorization parameters
originalParameters.clrGlassReflectionIntensity = 50;
// Custom colorization parameters
WindowsApi.DWM_COLORIZATION_PARAMS parameters;
WindowsApi.DwmGetColorizationParameters(out parameters);
parameters.clrAfterGlowBalance = 2;
parameters.clrBlurBalance = 29;
parameters.clrColor = ColorToBgra(data.AeroColor);
parameters.nIntensity = 69;
// Call the DwmSetColorizationParameters to make the change take effect.
WindowsApi.DwmSetColorizationParameters(ref parameters, false);
AeroColorToggled = true;
}
bool ShadowToggled = false;
if (data.DisableShadow && ShadowEnabled())
{
WindowsApi.SystemParametersInfo(SPI_SETDROPSHADOW, 0, false, 0);
ShadowToggled = true;
}
var r = new WindowsRect(0);
if (data.DoResize)
{
SmartResizeWindow(ref data, out r);
Thread.Sleep(100);
}
int length = WindowsApi.GetWindowTextLength(data.WindowHandle);
var sb = new StringBuilder(length + 1);
WindowsApi.GetWindowText(data.WindowHandle, sb, sb.Capacity);
string name = sb.ToString();
foreach (char inv in Path.GetInvalidFileNameChars())
{
name = name.Replace(inv.ToString(), string.Empty);
}
Bitmap s = CaptureCompositeScreenshot(ref data);
if (AeroColorToggled)
{
WindowsApi.DwmSetColorizationParameters(ref originalParameters, false);
}
if (ClearTypeToggled)
{
WindowsApi.SystemParametersInfo(SPI_SETFONTSMOOTHINGTYPE, 0, FE_FONTSMOOTHINGCLEARTYPE, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
WindowsApi.RedrawWindow(data.WindowHandle, IntPtr.Zero, IntPtr.Zero, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
}
if (ShadowToggled)
{
WindowsApi.SystemParametersInfo(SPI_SETDROPSHADOW, 0, true, 0);
}
// Show the taskbar again
if (data.WindowHandle != start &&
data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 1);
WindowsApi.ShowWindow(taskbar, 1);
}
if (s == null)
{
MessageBox.Show("The screenshot taken was blank, it will not be saved.",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
if (data.ClipboardNotDisk && data.Background !=
ScreenshotTask.BackgroundType.Transparent)
{
// Screenshot is already opaque, don't need to modify it
Clipboard.SetImage(s);
}
else if (data.ClipboardNotDisk)
{
var whiteS = new Bitmap(s.Width, s.Height, PixelFormat.Format24bppRgb);
using (Graphics graphics = Graphics.FromImage(whiteS))
{
graphics.Clear(Color.White);
graphics.DrawImage(s, 0, 0, s.Width, s.Height);
}
using (var stream = new MemoryStream())
{
// Save screenshot in clipboard as PNG which some applications support (eg. Microsoft Office)
s.Save(stream, ImageFormat.Png);
var pngClipboardData = new DataObject("PNG", stream);
// Add fallback for applications that don't support PNG from clipboard (eg. Photoshop or Paint)
pngClipboardData.SetData(DataFormats.Bitmap, whiteS);
Clipboard.Clear();
Clipboard.SetDataObject(pngClipboardData, true);
}
whiteS.Dispose();
}
else
{
name = name.Trim();
if (name == string.Empty)
{
name = "AeroShot";
}
string path = Path.Combine(data.DiskSaveDirectory, name + ".png");
if (File.Exists(path))
{
for (int i = 1; i < 9999; i++)
{
path = Path.Combine(data.DiskSaveDirectory, name + " " + i + ".png");
if (!File.Exists(path))
{
break;
}
}
}
s.Save(path, ImageFormat.Png);
}
s.Dispose();
}
if (data.DoResize)
{
if ((WindowsApi.GetWindowLong(data.WindowHandle, GWL_STYLE) & WS_SIZEBOX) == WS_SIZEBOX)
{
WindowsApi.SetWindowPos(data.WindowHandle, (IntPtr)0, r.Left, r.Top, r.Right - r.Left, r.Bottom - r.Top, SWP_SHOWWINDOW);
}
}
}
catch (Exception)
{
if (data.WindowHandle != start && data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 1);
WindowsApi.ShowWindow(taskbar, 1);
}
MessageBox.Show("An error occurred while trying to take a screenshot.\r\n\r\nPlease make sure you have selected a valid window.",
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid directory chosen.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
internal static void CaptureWindow(ref ScreenshotTask data)
{
IntPtr start = WindowsApi.FindWindow("Button", "Start");
IntPtr taskbar = WindowsApi.FindWindow("Shell_TrayWnd", null);
if (data.ClipboardNotDisk ||
Directory.Exists(data.DiskSaveDirectory))
{
try {
// Hide the taskbar, just incase it gets in the way
if (data.WindowHandle != start &&
data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 0);
WindowsApi.ShowWindow(taskbar, 0);
Application.DoEvents();
}
if (WindowsApi.IsIconic(data.WindowHandle))
{
WindowsApi.ShowWindow(data.WindowHandle, 1);
Thread.Sleep(300); // Wait for window to be restored
}
else
{
WindowsApi.ShowWindow(data.WindowHandle, 5);
Thread.Sleep(100);
}
WindowsApi.SetForegroundWindow(data.WindowHandle);
var r = new WindowsRect(0);
if (data.DoResize)
{
SmartResizeWindow(ref data, out r);
Thread.Sleep(100);
}
int length =
WindowsApi.GetWindowTextLength(data.WindowHandle);
var sb = new StringBuilder(length + 1);
WindowsApi.GetWindowText(data.WindowHandle, sb, sb.Capacity);
string name = sb.ToString();
foreach (char inv in Path.GetInvalidFileNameChars())
{
name = name.Replace(inv.ToString(), string.Empty);
}
Bitmap s = CaptureCompositeScreenshot(ref data);
// Show the taskbar again
if (data.WindowHandle != start &&
data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 1);
WindowsApi.ShowWindow(taskbar, 1);
}
if (s == null)
{
MessageBox.Show(
"The screenshot taken was blank, it will not be saved.",
"Warning", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
else
{
if (data.ClipboardNotDisk &&
data.Background !=
ScreenshotTask.BackgroundType.Transparent)
{
// Screenshot is already opaque, don't need to modify it
Clipboard.SetImage(s);
}
else if (data.ClipboardNotDisk)
{
var whiteS = new Bitmap(s.Width, s.Height,
PixelFormat.Format24bppRgb);
using (
Graphics graphics = Graphics.FromImage(whiteS)) {
graphics.Clear(Color.White);
graphics.DrawImage(s, 0, 0, s.Width, s.Height);
}
using (var stream = new MemoryStream()) {
// Save screenshot in clipboard as PNG which some applications support (eg. Microsoft Office)
s.Save(stream, ImageFormat.Png);
var pngClipboardData = new DataObject("PNG",
stream);
// Add fallback for applications that don't support PNG from clipboard (eg. Photoshop or Paint)
pngClipboardData.SetData(DataFormats.Bitmap,
whiteS);
Clipboard.Clear();
Clipboard.SetDataObject(pngClipboardData, true);
}
whiteS.Dispose();
}
else
{
name = name.Trim();
if (name == string.Empty)
{
name = "AeroShot";
}
string path = Path.Combine(data.DiskSaveDirectory,
name + ".png");
if (File.Exists(path))
{
for (int i = 1; i < 9999; i++)
{
path = Path.Combine(data.DiskSaveDirectory,
name + " " + i + ".png");
if (!File.Exists(path))
{
break;
}
}
}
s.Save(path, ImageFormat.Png);
}
s.Dispose();
}
if (data.DoResize)
{
if (
(WindowsApi.GetWindowLong(data.WindowHandle,
GWL_STYLE) & WS_SIZEBOX) ==
WS_SIZEBOX)
{
WindowsApi.SetWindowPos(data.WindowHandle,
(IntPtr)0, r.Left, r.Top,
r.Right - r.Left,
r.Bottom - r.Top,
SWP_SHOWWINDOW);
}
}
} catch (Exception) {
if (data.WindowHandle != start &&
data.WindowHandle != taskbar)
{
WindowsApi.ShowWindow(start, 1);
WindowsApi.ShowWindow(taskbar, 1);
}
MessageBox.Show(
"An error occurred while trying to take a screenshot.\r\n\r\nPlease make sure you have selected a valid window.",
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid directory chosen.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private static unsafe Bitmap CaptureCompositeScreenshot(ref ScreenshotTask data)
{
Color tmpColor = data.BackgroundColor;
if (data.Background == ScreenshotTask.BackgroundType.Transparent ||
data.Background == ScreenshotTask.BackgroundType.Checkerboard)
{
tmpColor = Color.White;
}
var backdrop = new Form
{
BackColor = tmpColor,
FormBorderStyle = FormBorderStyle.None,
ShowInTaskbar = false,
Opacity = 0
};
// Generate a rectangle with the size of all monitors combined
Rectangle totalSize = Rectangle.Empty;
foreach (Screen s in Screen.AllScreens)
{
totalSize = Rectangle.Union(totalSize, s.Bounds);
}
var rct = new WindowsRect();
if (WindowsApi.DwmGetWindowAttribute(data.WindowHandle, DwmWindowAttribute.ExtendedFrameBounds, ref rct, sizeof(WindowsRect)) != 0)
{
// DwmGetWindowAttribute() failed, usually means Aero is disabled so we fall back to GetWindowRect()
WindowsApi.GetWindowRect(data.WindowHandle, ref rct);
}
else
{
// DwmGetWindowAttribute() succeeded
// Add a 100px margin for window shadows. Excess transparency is trimmed out later
rct.Left -= 100;
rct.Right += 100;
rct.Top -= 100;
rct.Bottom += 100;
}
// These next 4 checks handle if the window is outside of the visible screen
if (rct.Left < totalSize.Left)
{
rct.Left = totalSize.Left;
}
if (rct.Right > totalSize.Right)
{
rct.Right = totalSize.Right;
}
if (rct.Top < totalSize.Top)
{
rct.Top = totalSize.Top;
}
if (rct.Bottom > totalSize.Bottom)
{
rct.Bottom = totalSize.Bottom;
}
WindowsApi.ShowWindow(backdrop.Handle, 4);
WindowsApi.SetWindowPos(backdrop.Handle, data.WindowHandle, rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top, SWP_NOACTIVATE);
backdrop.Opacity = 1;
Application.DoEvents();
// Capture screenshot with white background
Bitmap whiteShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
if (data.Background == ScreenshotTask.BackgroundType.SolidColor)
{
backdrop.Dispose();
if (data.CaptureMouse)
{
DrawCursorToBitmap(whiteShot, new Point(rct.Left, rct.Top));
}
Bitmap final = CropEmptyEdges(whiteShot, tmpColor);
whiteShot.Dispose();
return(final);
}
backdrop.BackColor = Color.Black;
Application.DoEvents();
// Capture screenshot with black background
Bitmap blackShot = CaptureScreenRegion(new Rectangle(rct.Left, rct.Top, rct.Right - rct.Left, rct.Bottom - rct.Top));
backdrop.Dispose();
Bitmap transparentImage = DifferentiateAlpha(whiteShot, blackShot);
if (data.CaptureMouse)
{
DrawCursorToBitmap(transparentImage, new Point(rct.Left, rct.Top));
}
transparentImage = CropEmptyEdges(transparentImage, Color.FromArgb(0, 0, 0, 0));
whiteShot.Dispose();
blackShot.Dispose();
if (data.Background == ScreenshotTask.BackgroundType.Checkerboard)
{
var final = new Bitmap(transparentImage.Width, transparentImage.Height, PixelFormat.Format24bppRgb);
Graphics finalGraphics = Graphics.FromImage(final);
var brush = new TextureBrush(GenerateChecker(data.CheckerboardSize));
finalGraphics.FillRectangle(brush, finalGraphics.ClipBounds);
finalGraphics.DrawImageUnscaled(transparentImage, 0, 0);
finalGraphics.Dispose();
transparentImage.Dispose();
return(final);
}
// Returns a bitmap with transparency, calculated by differentiating the white and black screenshots
return(transparentImage);
}
