private void Form1_Resize(object sender, EventArgs e)
{
if (m_hThumbnail != IntPtr.Zero)
{
DwmApi.DWM_THUMBNAIL_PROPERTIES m_ThumbnailProperties =
new DwmApi.DWM_THUMBNAIL_PROPERTIES();
m_ThumbnailProperties.dwFlags =
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_VISIBLE +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_OPACITY +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_RECTDESTINATION +
DwmApi.DWM_THUMBNAIL_PROPERTIES.
DWM_TNP_SOURCECLIENTAREAONLY;
m_ThumbnailProperties.opacity = 255;
m_ThumbnailProperties.fVisible = true;
m_ThumbnailProperties.rcSource =
m_ThumbnailProperties.rcDestination = new DwmApi.RECT(0, 0,
ClientRectangle.Right, ClientRectangle.Bottom);
m_ThumbnailProperties.fSourceClientAreaOnly = true;
DwmApi.DwmUpdateThumbnailProperties(
m_hThumbnail, m_ThumbnailProperties);
ClientSize = new Size(ClientSize.Width, (int)(heightRatio * (double)ClientSize.Width / (double)widthRatio));
}
}
/// <summary>
/// Get thumbnail size
/// </summary>
public void GetThumbnailSize(IntPtr thumbnail, out Size size)
{
DwmApi.DWM_THUMBNAIL_PROPERTIES dskThumbProps = new DwmApi.DWM_THUMBNAIL_PROPERTIES();
dskThumbProps.dwFlags = DwmApi.DWM_THUMBNAIL_FLAGS.DWM_TNP_SOURCECLIENTAREAONLY;
dskThumbProps.fSourceClientAreaOnly = true;
dskThumbProps.fVisible = false;
dskThumbProps.opacity = 255;
DwmApi.DwmUpdateThumbnailProperties(thumbnail, ref dskThumbProps);
DwmApi.DwmQueryThumbnailSourceSize(thumbnail, out size);
}
public void CreateAndShow(IntPtr sourceWindow)
{
try
{
m_hThumbnail = DwmApi.DwmRegisterThumbnail(
Handle, sourceWindow);
DwmApi.DWM_THUMBNAIL_PROPERTIES m_ThumbnailProperties =
new DwmApi.DWM_THUMBNAIL_PROPERTIES();
m_ThumbnailProperties.dwFlags =
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_VISIBLE +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_OPACITY +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_RECTDESTINATION +
DwmApi.DWM_THUMBNAIL_PROPERTIES.
DWM_TNP_SOURCECLIENTAREAONLY;
m_ThumbnailProperties.opacity = 255;
m_ThumbnailProperties.fVisible = true;
m_ThumbnailProperties.rcSource =
m_ThumbnailProperties.rcDestination = new DwmApi.RECT(0, 0,
ClientRectangle.Right, ClientRectangle.Bottom);
m_ThumbnailProperties.fSourceClientAreaOnly = true;
DwmApi.DwmUpdateThumbnailProperties(
m_hThumbnail, m_ThumbnailProperties);
Size sz;
DwmApi.DwmQueryThumbnailSourceSize(m_hThumbnail, out sz);
widthRatio = sz.Width;
heightRatio = sz.Height;
this.Width = 400;
this.Height = 400;
Show();
}
catch (Exception ex)
{
// label1.Text = ex.Message;
}
}
/// <summary>
/// Make thumbnail visible
/// </summary>
public void DrawThumbnail(Rectangle r, IntPtr thumbnail)
{
Native.RECT dest = new Native.RECT()
{
left = r.Left,
top = r.Top,
right = r.Right,
bottom = r.Bottom
};
DwmApi.DWM_THUMBNAIL_PROPERTIES dskThumbProps = new DwmApi.DWM_THUMBNAIL_PROPERTIES();
dskThumbProps.dwFlags = DwmApi.DWM_THUMBNAIL_FLAGS.DWM_TNP_SOURCECLIENTAREAONLY
| DwmApi.DWM_THUMBNAIL_FLAGS.DWM_TNP_VISIBLE
| DwmApi.DWM_THUMBNAIL_FLAGS.DWM_TNP_RECTDESTINATION;
dskThumbProps.fSourceClientAreaOnly = true;
dskThumbProps.fVisible = true;
dskThumbProps.opacity = 255;
dskThumbProps.rcDestination = dest;
DwmApi.DwmUpdateThumbnailProperties(thumbnail, ref dskThumbProps);
}
public void CreateAndShow(IntPtr sourceWindow)
{
try
{
m_hThumbnail = DwmApi.DwmRegisterThumbnail(
Handle, sourceWindow);
DwmApi.DWM_THUMBNAIL_PROPERTIES m_ThumbnailProperties =
new DwmApi.DWM_THUMBNAIL_PROPERTIES();
m_ThumbnailProperties.dwFlags =
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_VISIBLE +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_OPACITY +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_RECTDESTINATION +
DwmApi.DWM_THUMBNAIL_PROPERTIES.
DWM_TNP_SOURCECLIENTAREAONLY;
m_ThumbnailProperties.opacity = 255;
m_ThumbnailProperties.fVisible = true;
m_ThumbnailProperties.rcSource =
m_ThumbnailProperties.rcDestination = new DwmApi.RECT(0, 0,
ClientRectangle.Right, ClientRectangle.Bottom);
m_ThumbnailProperties.fSourceClientAreaOnly = true;
DwmApi.DwmUpdateThumbnailProperties(
m_hThumbnail, m_ThumbnailProperties);
Size sz;
DwmApi.DwmQueryThumbnailSourceSize(m_hThumbnail, out sz);
widthRatio = sz.Width;
heightRatio = sz.Height;
this.Width = 400;
this.Height = 400;
Show();
}
catch (Exception ex)
{
// label1.Text = ex.Message;
}
}
private void Form1_Resize(object sender, EventArgs e)
{
if (m_hThumbnail != IntPtr.Zero)
{
DwmApi.DWM_THUMBNAIL_PROPERTIES m_ThumbnailProperties =
new DwmApi.DWM_THUMBNAIL_PROPERTIES();
m_ThumbnailProperties.dwFlags =
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_VISIBLE +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_OPACITY +
DwmApi.DWM_THUMBNAIL_PROPERTIES.DWM_TNP_RECTDESTINATION +
DwmApi.DWM_THUMBNAIL_PROPERTIES.
DWM_TNP_SOURCECLIENTAREAONLY;
m_ThumbnailProperties.opacity = 255;
m_ThumbnailProperties.fVisible = true;
m_ThumbnailProperties.rcSource =
m_ThumbnailProperties.rcDestination = new DwmApi.RECT(0, 0,
ClientRectangle.Right, ClientRectangle.Bottom);
m_ThumbnailProperties.fSourceClientAreaOnly = true;
DwmApi.DwmUpdateThumbnailProperties(
m_hThumbnail, m_ThumbnailProperties);
ClientSize = new Size(ClientSize.Width , (int)(heightRatio * (double)ClientSize.Width / (double)widthRatio));
}
}
public void UpdateThumbs(bool isTaskBar = false)
{
int screenWidth = Options.ScreenWidth;
int screenHeight = Options.ScreenHeight;
int parallaxDecal = 2 * this.OffsetLevel * Options.ParallaxEffect;
bool modeSbS = Options.ModeSbS;
double dX = modeSbS ? 2 : 1;
double dY = modeSbS ? 1 : 2;
int decalX = modeSbS ? screenWidth / 2 : 0;
int decalY = modeSbS ? 0 : screenHeight / 2;
if (!isTaskBar && !this.SourceRect.IsMaximized() && this.SourceRect.Top < screenHeight - Options.TaskBarHeight)
{
screenHeight -= Options.TaskBarHeight;
}
DwmApi.DWM_THUMBNAIL_PROPERTIES props = new DwmApi.DWM_THUMBNAIL_PROPERTIES();
props.fVisible = true;
props.dwFlags = DwmApi.DWM_TNP_VISIBLE | DwmApi.DWM_TNP_RECTDESTINATION | DwmApi.DWM_TNP_RECTSOURCE;
// Left
RECT parallaxSourceRectLeft = new RECT(
this.SourceRect.Left + parallaxDecal,
this.SourceRect.Top,
this.SourceRect.Right + parallaxDecal,
this.SourceRect.Bottom);
props.rcSource = new RECT
{
Left = Math.Max(0, -parallaxSourceRectLeft.Left),
Top = Math.Max(0, -parallaxSourceRectLeft.Top),
Right = Math.Min(screenWidth, parallaxSourceRectLeft.Right) - parallaxSourceRectLeft.Left,
Bottom = Math.Min(screenHeight, parallaxSourceRectLeft.Bottom) - parallaxSourceRectLeft.Top
};
props.rcDestination = new RECT
{
Left = 0,
Top = 0,
Right = (int)Math.Ceiling((props.rcSource.Right - props.rcSource.Left) / dX),
Bottom = (int)Math.Ceiling((props.rcSource.Bottom - props.rcSource.Top) / dY)
};
User32.SetWindowPos(this.ThumbLeft.Handle, this.Owner?.ThumbLeft.Handle ?? IntPtr.Zero,
(int)Math.Floor(Math.Max(0, parallaxSourceRectLeft.Left) / dX),
(int)Math.Floor(Math.Max(0, parallaxSourceRectLeft.Top) / dY),
props.rcDestination.Right,
props.rcDestination.Bottom,
SWP.SWP_ASYNCWINDOWPOS);
DwmApi.DwmUpdateThumbnailProperties(this.ThumbLeft.Thumb, ref props);
// Right
RECT parallaxSourceRectRight = new RECT(
this.SourceRect.Left - parallaxDecal,
this.SourceRect.Top,
this.SourceRect.Right - parallaxDecal,
this.SourceRect.Bottom);
props.rcSource = new RECT
{
Left = Math.Max(0, -parallaxSourceRectRight.Left),
Top = Math.Max(0, -parallaxSourceRectRight.Top),
Right = Math.Min(screenWidth, parallaxSourceRectRight.Right) - parallaxSourceRectRight.Left,
Bottom = Math.Min(screenHeight, parallaxSourceRectRight.Bottom) - parallaxSourceRectRight.Top
};
props.rcDestination = new RECT
{
Left = 0,
Top = 0,
Right = (int)Math.Ceiling((props.rcSource.Right - props.rcSource.Left) / dX),
Bottom = (int)Math.Ceiling((props.rcSource.Bottom - props.rcSource.Top) / dY)
};
User32.SetWindowPos(this.ThumbRight.Handle, this.Owner?.ThumbRight.Handle ?? IntPtr.Zero,
decalX + (int)Math.Floor(Math.Max(0, parallaxSourceRectRight.Left) / dX),
decalY + (int)Math.Floor(Math.Max(0, parallaxSourceRectRight.Top) / dY),
props.rcDestination.Right,
props.rcDestination.Bottom,
SWP.SWP_ASYNCWINDOWPOS);
DwmApi.DwmUpdateThumbnailProperties(this.ThumbRight.Thumb, ref props);
if (isTaskBar)
{
this.ThumbLeft.Background = Brushes.Black;
this.ThumbRight.Background = Brushes.Black;
}
#if DEBUG
//if (this.Title.Contains("About"))
//{
// DebugWindow.Instance.UpdateMessage($"Source Win {this.SourceRect}{Environment.NewLine}Src Thumb {props.rcSource}{Environment.NewLine}Dst Thumb {props.rcDestination}{Environment.NewLine}Dst Pos Left: {Math.Max(0, this.SourceRect.Left) / 2} Top: {Math.Max(0, this.SourceRect.Top)}");
//}
#endif
}
public void UpdateThumbs(bool isTaskBar = false)
{
int x, y, cx, cy;
SbSComputedVariables scv = Options.ComputedVariables;
int screenBottom = Options.ScreenSrcBounds.Bottom;
int parallaxDecal = 2 * this.OffsetLevel * Options.ParallaxEffect;
if (!isTaskBar && !this.SourceRect.IsMaximized() && this.SourceRect.Top < Options.ScreenSrcWorkspace.Bottom)
{
screenBottom = Options.ScreenSrcWorkspace.Bottom;
}
DwmApi.DWM_THUMBNAIL_PROPERTIES props = new DwmApi.DWM_THUMBNAIL_PROPERTIES();
props.fVisible = true;
props.dwFlags = DwmApi.DWM_TNP_VISIBLE | DwmApi.DWM_TNP_RECTDESTINATION | DwmApi.DWM_TNP_RECTSOURCE;
// Left
RECT parallaxSourceRectLeft = new RECT(
this.SourceRect.Left + parallaxDecal,
this.SourceRect.Top,
this.SourceRect.Right + parallaxDecal,
this.SourceRect.Bottom);
props.rcSource = new RECT
{
Left = Math.Max(0, -parallaxSourceRectLeft.Left + Options.AreaSrcBounds.Left),
Top = Math.Max(0, -parallaxSourceRectLeft.Top + Options.AreaSrcBounds.Top),
Right = Math.Min(Options.AreaSrcBounds.Right, parallaxSourceRectLeft.Right) - parallaxSourceRectLeft.Left,
Bottom = Math.Min(screenBottom, parallaxSourceRectLeft.Bottom) - parallaxSourceRectLeft.Top
};
props.rcDestination = new RECT
{
Left = 0,
Top = 0,
Right = (int)Math.Ceiling((props.rcSource.Right - props.rcSource.Left) / scv.RatioX),
Bottom = (int)Math.Ceiling((props.rcSource.Bottom - props.rcSource.Top) / scv.RatioY)
};
x = scv.DestPositionX + (int)Math.Floor(Math.Max(0, parallaxSourceRectLeft.Left - Options.AreaSrcBounds.Left) / scv.RatioX);
y = scv.DestPositionY + (int)Math.Floor(Math.Max(0, parallaxSourceRectLeft.Top - Options.AreaSrcBounds.Top) / scv.RatioY);
cx = props.rcDestination.Right;
cy = props.rcDestination.Bottom;
User32.SetWindowPos(this.ThumbLeft.Handle, this.Owner?.ThumbLeft.Handle ?? IntPtr.Zero,
x, y, cx, cy,
SWP.SWP_ASYNCWINDOWPOS);
DwmApi.DwmUpdateThumbnailProperties(this.ThumbLeft.Thumb, ref props);
// Right
RECT parallaxSourceRectRight = new RECT(
this.SourceRect.Left - parallaxDecal,
this.SourceRect.Top,
this.SourceRect.Right - parallaxDecal,
this.SourceRect.Bottom);
props.rcSource = new RECT
{
Left = Math.Max(0, -parallaxSourceRectRight.Left + Options.AreaSrcBounds.Left),
Top = Math.Max(0, -parallaxSourceRectRight.Top + Options.AreaSrcBounds.Top),
Right = Math.Min(Options.AreaSrcBounds.Right, parallaxSourceRectRight.Right) - parallaxSourceRectRight.Left,
Bottom = Math.Min(screenBottom, parallaxSourceRectRight.Bottom) - parallaxSourceRectRight.Top
};
props.rcDestination = new RECT
{
Left = 0,
Top = 0,
Right = (int)Math.Ceiling((props.rcSource.Right - props.rcSource.Left) / scv.RatioX),
Bottom = (int)Math.Ceiling((props.rcSource.Bottom - props.rcSource.Top) / scv.RatioY)
};
x = scv.DestPositionX + scv.DecalSbSX + (int)Math.Floor(Math.Max(0, parallaxSourceRectRight.Left - Options.AreaSrcBounds.Left) / scv.RatioX);
y = scv.DestPositionY + scv.DecalSbSY + (int)Math.Floor(Math.Max(0, parallaxSourceRectRight.Top - Options.AreaSrcBounds.Top) / scv.RatioY);
cx = props.rcDestination.Right;
cy = props.rcDestination.Bottom;
User32.SetWindowPos(this.ThumbRight.Handle, this.Owner?.ThumbRight.Handle ?? IntPtr.Zero,
x, y, cx, cy,
SWP.SWP_ASYNCWINDOWPOS);
DwmApi.DwmUpdateThumbnailProperties(this.ThumbRight.Thumb, ref props);
#if DEBUG
//if (this.Title.Contains("About"))
//{
// App.Current.Dispatcher.Invoke(() =>
// {
// DebugWindow.Instance.UpdateMessage($"Source Win {this.SourceRect}{Environment.NewLine}Src Thumb {props.rcSource}{Environment.NewLine}Dst Thumb {props.rcDestination}{Environment.NewLine}Dst Pos Left: {Math.Max(0, this.SourceRect.Left) / 2} Top: {Math.Max(0, this.SourceRect.Top)}");
// });
//}
#endif
}
