void DrawLine(DrawingContext context, Point start, Point end, double distance, double time, bool mouseIsDown)
{
double speed = distance / time;
double penThickness = GetPenThickness(speed);
Color annotationColor = GetMouseAnnotationColor(mouseIsDown);
SolidColorBrush arrowBrush = CachedBrushes.Get(annotationColor);
if (penThickness > distance)
{
context.DrawEllipse(arrowBrush, null, GetCenterPoint(start, end), penThickness / 2, penThickness / 2);
}
else
{
Pen arrowPen = new Pen(arrowBrush, penThickness);
context.DrawLine(arrowPen, start, end);
}
}
public void AnnotateScreenshot(DrawingContext context, ScreenGrab screenGrab)
{
Point clientPt = screenGrab.ToClientPoint(position);
Color mouseAnnotationColor1 = Color.FromArgb(0xA0, 0xFF, 0x00, 0x00);
SolidColorBrush annotationBrush = CachedBrushes.Get(mouseAnnotationColor1);
context.DrawEllipse(annotationBrush, null, clientPt, 2.5, 2.5);
context.DrawEllipse(Brushes.Black, null, clientPt, 0.7, 0.7);
Color mouseAnnotationColor2 = Color.FromArgb(0x50, 0xFF, 0x00, 0x00);
SolidColorBrush annotationBrush2 = CachedBrushes.Get(mouseAnnotationColor2);
context.DrawEllipse(null, new Pen(annotationBrush2, 2), clientPt, 9, 9);
Color mouseAnnotationColor3 = Color.FromArgb(0x30, 0xFF, 0x00, 0x00);
SolidColorBrush annotationBrush3 = CachedBrushes.Get(mouseAnnotationColor3);
context.DrawEllipse(null, new Pen(annotationBrush3, 1), clientPt, 16, 16);
}
public void AnnotateScreenshot(DrawingContext context, ScreenGrab screenGrab)
{
Point start = screenGrab.ToClientPoint(StartPosition);
Point end = screenGrab.ToClientPoint(EndPosition);
bool mouseIsDownAtEnd = false;
if (midPoints.Count > 1)
{
Point thisPoint = start;
DateTime thisTime = Start;
foreach (TimeMousePoint midPoint in midPoints)
{
DateTime nextTime = midPoint.Time;
TimeSpan timeBetweenPoints = nextTime - thisTime;
double time = timeBetweenPoints.TotalMilliseconds;
Point nextPoint = screenGrab.ToClientPoint(midPoint.Point);
double distance = GetDistanceBetweenPoints(thisPoint, nextPoint);
if (thisPoint != nextPoint)
{
DrawLine(context, thisPoint, nextPoint, distance, time, midPoint.MouseIsDown);
}
if (mouseIsDownAtEnd != midPoint.MouseIsDown)
{
mouseIsDownAtEnd = midPoint.MouseIsDown;
double radius;
double thickness;
if (mouseIsDownAtEnd)
{
radius = 6;
thickness = 2;
}
else
{
radius = 6;
thickness = 1;
}
Color annotationColor = GetMouseAnnotationColor(mouseIsDownAtEnd);
SolidColorBrush mouseDownBrush = CachedBrushes.Get(annotationColor);
Pen arrowPen = new Pen(mouseDownBrush, thickness);
context.DrawEllipse(null, arrowPen, nextPoint, radius, radius);
}
thisPoint = nextPoint;
thisTime = nextTime;
}
}
else if (start != end)
{
TimeSpan timeBetweenPoints = Duration;
double time = timeBetweenPoints.TotalMilliseconds;
double distance = GetDistanceBetweenPoints(startPosition, endPosition);
DrawLine(context, start, end, distance, time, mouseStartsDown);
mouseIsDownAtEnd = mouseStartsDown;
}
Color lastEllipseColor = GetMouseAnnotationColor(mouseIsDownAtEnd);
SolidColorBrush arrowBrush = CachedBrushes.Get(lastEllipseColor);
context.DrawEllipse(arrowBrush, null, end, 4, 4);
}