/// <summary>
/// Converts Stroke PacketData to an Input array
/// </summary>
/// <param name="Stroke">
/// The Stroke to convert from</param>
/// <param name="destinationRenderer">
/// The renderer to use when converting from hi-metric to pixel coordinates</param>
/// <param name="horizontalScaleFactor">
/// The horizontal scaling factor</param>
/// <param name="verticalScaleFactor">
/// The vertical scaling factor</param>
/// <param name="destinationControl">
/// The control that ink data is played back to</param>
/// <param name="inkOffset">
/// The offset to the upper left of the ink data</param>
internal static INPUT[] StrokeToInputs(
Stroke sourceStroke,
Renderer destinationRenderer,
Graphics g,
float horizontalScaleFactor,
float verticalScaleFactor,
Control destinationControl,
Point inkOffset
)
{
int [] sourceStrokePacketData = sourceStroke.GetPacketData();
INPUT[] mouseEvents = new INPUT[sourceStrokePacketData.Length/sourceStroke.PacketDescription.Length + 1];
UInt32 tickCount = GetTickCount();
GetBoundsCallback b = new GetBoundsCallback( delegate { return Screen.GetBounds(destinationControl).Size; } );
Size screenSize = (Size)destinationControl.Invoke( b );
// Iterate through each packet set and create a corresponding Mouse based Input structure
for (int strokePacketIndex = 0, i = 0; strokePacketIndex < sourceStrokePacketData.Length; strokePacketIndex += sourceStroke.PacketDescription.Length, i++) {
// Obtain the packet as a Point from the stroke
Point packetPoint = new Point(sourceStrokePacketData[strokePacketIndex] - inkOffset.X, sourceStrokePacketData[strokePacketIndex+1] - inkOffset.Y);
// Convert the inkspace coordinate of the packet to a display coordinate
destinationRenderer.InkSpaceToPixel(g,ref packetPoint);
// Scale the location to the current window
packetPoint.X = (int) (packetPoint.X * horizontalScaleFactor);
packetPoint.Y = (int) (packetPoint.Y * verticalScaleFactor);
// Avoid mouse' enabling and moving the border of the panel)
if ( 0 == packetPoint.X) {
packetPoint.X = 1;
}
if ( 0 == packetPoint.Y) {
packetPoint.Y = 1;
}
// Convert the window coordinates to screen coordinates
if( destinationControl.InvokeRequired ) {
PointScreenCallback z = new PointScreenCallback( delegate { return destinationControl.PointToScreen( packetPoint ); } );
packetPoint = (Point)destinationControl.Invoke( z );
}
else
packetPoint = destinationControl.PointToScreen( packetPoint );
#region Create the Input structure for the Mouse Event
mouseEvents[i].type = INPUT_MOUSE;
mouseEvents[i].mi.dx = (packetPoint.X * 65535) / screenSize.Width;
mouseEvents[i].mi.dy = (packetPoint.Y * 65535) / screenSize.Height;
mouseEvents[i].mi.mouseData = 0;
if(0 == strokePacketIndex) {
// Move to the start of the stroke
mouseEvents[i].mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
mouseEvents[i].mi.time = tickCount++;
mouseEvents[i].mi.dwExtraInfo = (UIntPtr)0;
// Start of the 'stroke'
mouseEvents[++i].type = INPUT_MOUSE;
mouseEvents[i].mi.dx = (packetPoint.X * 65535) / screenSize.Width;
mouseEvents[i].mi.dy = (packetPoint.Y * 65535) / screenSize.Height;
mouseEvents[i].mi.mouseData = 0;
mouseEvents[i].mi.dwFlags = MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_ABSOLUTE;
} else if(sourceStrokePacketData.Length - sourceStroke.PacketDescription.Length <= strokePacketIndex) {
// End of the 'stroke'
mouseEvents[i].mi.dwFlags = MOUSEEVENTF_LEFTUP | MOUSEEVENTF_ABSOLUTE;
} else {
// Body of the 'stroke'
mouseEvents[i].mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
}
mouseEvents[i].mi.time = tickCount++;
mouseEvents[i].mi.dwExtraInfo = (UIntPtr)0;
#endregion
}
return mouseEvents;
}
internal static extern uint SendInput( uint inputCount, INPUT[] inputs, int size );