public void Draw(
Graphics g,
InkPressureFeedbackMode pressureMode,
Capture.CalibratedInkSample lastSample,
Capture.CalibratedInkSample currentSample,
Capture.RawInkSample lastRawSample,
Capture.RawInkSample currentRawSample)
{
GraphicsState OriginalGraphicsState = g.Save();
g.SmoothingMode = SmoothingMode.HighQuality;
Point p1 = new Point(lastRawSample.X, lastRawSample.Y);
Point p2 = new Point(currentRawSample.X, currentRawSample.Y);
//ink space ==> pixel space transformation
Capture.Calibration.InkCalibration.Current.InkRenderer.InkSpaceToPixel(g, ref p1);
Capture.Calibration.InkCalibration.Current.InkRenderer.InkSpaceToPixel(g, ref p2);
switch (pressureMode)
{
case InkPressureFeedbackMode.Size:
//drawing circles (uninverting then inverting)
_Raster.Begin(g);
if (!lastSample.IsInvalid())
_Raster.InvertCircle(p1, GetRadius(g, lastSample.Pressure)); //uninvert the last circle
if (!currentSample.IsInvalid())
_Raster.InvertCircle(p2, GetRadius(g, currentSample.Pressure)); //invert the next circle
_Raster.Commit(g);
break;
default:
//drawing lines or similar (connecting two valid points)
if (!lastRawSample.IsInvalid()
&& !currentRawSample.IsInvalid())
{
switch (pressureMode)
{
case InkPressureFeedbackMode.Color:
DrawPressureLine(g, p1, p2, currentSample.Pressure);
break;
case InkPressureFeedbackMode.Width:
DrawWidth(g, p1, p2, lastSample.Pressure, currentSample.Pressure);
break;
case InkPressureFeedbackMode.None:
default:
DrawLine(g, p1, p2);
break;
}
}
break;
}
g.Restore(OriginalGraphicsState);
}
private void InterpretHeaderLine(string line)
{
string[] Part = line.Split(new string[] { ": " }, 2, StringSplitOptions.None);
if (Part.Length != 2)
{
return;
}
try
{
switch (Part[0])
{
case "DirectFeedback":
_DirectFeedback = bool.Parse(Part[1]);
break;
case "Cognitive":
_Cognitive = bool.Parse(Part[1]);
break;
case "CognitiveFeedback":
_CognitiveFeedback = bool.Parse(Part[1]);
break;
case "PressureFeedback":
_PressureFeedback = (InkPressureFeedbackMode)Enum.Parse(typeof(InkPressureFeedbackMode), Part[1]);
break;
case "TimeLimit":
_TimeLimit = int.Parse(Part[1]);
break;
case "Instructions":
_Instructions = Part[1];
break;
case "StartingPoint":
string[] Subparts = Part[1].Replace(" ", "").Split(new char[] { ',' }, 2);
_StartingPoint = new Point(int.Parse(Subparts[0]), int.Parse(Subparts[1]));
break;
}
}
catch
{
}
}
private static void DrawInk(GraphicsPath p, InkPressureFeedbackMode m, Size s, Graphics g)
{
RectangleF PathBounds = p.GetBounds(); //get the bounds of the path and compute the square scale transform
float ds = 0.8f * Math.Min(s.Width / PathBounds.Width, s.Height / PathBounds.Height);
GraphicsState OriginalGraphicsState = g.Save();
g.TranslateTransform(s.Width >> 1, s.Height >> 1);
g.ScaleTransform(ds, -ds);
switch (m)
{
case InkPressureFeedbackMode.Size:
g.FillEllipse(Brushes.Black, new Rectangle(-800, -800, 1600, 1600));
break;
case InkPressureFeedbackMode.Width:
g.DrawLine(new Pen(Color.Black, 500f), new Point(-500, 0), new Point(500, 0));
break;
case InkPressureFeedbackMode.None:
case InkPressureFeedbackMode.Color:
default:
GraphicsPath InkRegion = new GraphicsPath(); //upper-left triangular clip region to fake "ink"
InkRegion.AddPolygon(new Point[] { Point.Empty, new Point(s.Width, 0), new Point(0, s.Height) });
Matrix InverseTransform = g.Transform;
InverseTransform.Invert();
InkRegion.Transform(InverseTransform);
g.IntersectClip(new Region(InkRegion));
g.DrawPath(new Pen(Color.Blue, 4 / ds), p);
break;
}
g.Restore(OriginalGraphicsState);
}
private static void DrawInk(GraphicsPath p, InkPressureFeedbackMode m, Size s, Graphics g)
{
RectangleF PathBounds = p.GetBounds(); //get the bounds of the path and compute the square scale transform
float ds = 0.8f * Math.Min(s.Width / PathBounds.Width, s.Height / PathBounds.Height);
GraphicsState OriginalGraphicsState = g.Save();
g.TranslateTransform(s.Width >> 1, s.Height >> 1);
g.ScaleTransform(ds, -ds);
switch (m)
{
case InkPressureFeedbackMode.Size:
g.FillEllipse(Brushes.Black, new Rectangle(-800, -800, 1600, 1600));
break;
case InkPressureFeedbackMode.Width:
g.DrawLine(new Pen(Color.Black, 500f), new Point(-500, 0), new Point(500, 0));
break;
case InkPressureFeedbackMode.None:
case InkPressureFeedbackMode.Color:
default:
GraphicsPath InkRegion = new GraphicsPath(); //upper-left triangular clip region to fake "ink"
InkRegion.AddPolygon(new Point[] { Point.Empty, new Point(s.Width, 0), new Point(0, s.Height) });
Matrix InverseTransform = g.Transform;
InverseTransform.Invert();
InkRegion.Transform(InverseTransform);
g.IntersectClip(new Region(InkRegion));
g.DrawPath(new Pen(Color.Blue, 4 / ds), p);
break;
}
g.Restore(OriginalGraphicsState);
}
public void Draw(
Graphics g,
InkPressureFeedbackMode pressureMode,
Capture.CalibratedInkSample lastSample,
Capture.CalibratedInkSample currentSample,
Capture.RawInkSample lastRawSample,
Capture.RawInkSample currentRawSample)
{
GraphicsState OriginalGraphicsState = g.Save();
g.SmoothingMode = SmoothingMode.HighQuality;
Point p1 = new Point(lastRawSample.X, lastRawSample.Y);
Point p2 = new Point(currentRawSample.X, currentRawSample.Y);
//ink space ==> pixel space transformation
Capture.Calibration.InkCalibration.Current.InkRenderer.InkSpaceToPixel(g, ref p1);
Capture.Calibration.InkCalibration.Current.InkRenderer.InkSpaceToPixel(g, ref p2);
switch (pressureMode)
{
case InkPressureFeedbackMode.Size:
//drawing circles (uninverting then inverting)
_Raster.Begin(g);
if (!lastSample.IsInvalid())
{
_Raster.InvertCircle(p1, GetRadius(g, lastSample.Pressure)); //uninvert the last circle
}
if (!currentSample.IsInvalid())
{
_Raster.InvertCircle(p2, GetRadius(g, currentSample.Pressure)); //invert the next circle
}
_Raster.Commit(g);
break;
default:
//drawing lines or similar (connecting two valid points)
if (!lastRawSample.IsInvalid() &&
!currentRawSample.IsInvalid())
{
switch (pressureMode)
{
case InkPressureFeedbackMode.Color:
DrawPressureLine(g, p1, p2, currentSample.Pressure);
break;
case InkPressureFeedbackMode.Width:
DrawWidth(g, p1, p2, lastSample.Pressure, currentSample.Pressure);
break;
case InkPressureFeedbackMode.None:
default:
DrawLine(g, p1, p2);
break;
}
}
break;
}
g.Restore(OriginalGraphicsState);
}
private void InterpretHeaderLine(string line)
{
string[] Part = line.Split(new string[] { ": " }, 2, StringSplitOptions.None);
if (Part.Length != 2) return;
try
{
switch (Part[0])
{
case "DirectFeedback":
_DirectFeedback = bool.Parse(Part[1]);
break;
case "Cognitive":
_Cognitive = bool.Parse(Part[1]);
break;
case "CognitiveFeedback":
_CognitiveFeedback = bool.Parse(Part[1]);
break;
case "PressureFeedback":
_PressureFeedback = (InkPressureFeedbackMode)Enum.Parse(typeof(InkPressureFeedbackMode), Part[1]);
break;
case "TimeLimit":
_TimeLimit = int.Parse(Part[1]);
break;
case "Instructions":
_Instructions = Part[1];
break;
case "StartingPoint":
string[] Subparts = Part[1].Replace(" ", "").Split(new char[] { ',' }, 2);
_StartingPoint = new Point(int.Parse(Subparts[0]), int.Parse(Subparts[1]));
break;
}
}
catch
{
}
}
