public static double ComputeProgressRatio(BookPage source, Point p, CornerOrigin origin)
{
if ((origin != CornerOrigin.BottomLeft) && (origin != CornerOrigin.TopLeft))
{
return ((source.RenderSize.Width - p.X) / source.RenderSize.Width);
}
return (p.X / source.RenderSize.Width);
}
public static PageParameters ResetPage(BookPage source, CornerOrigin origin)
{
return new PageParameters(source.RenderSize) { Page0ShadowOpacity = 0.0, Page1ClippingFigure = new PathFigure(), Page1ReflectionStartPoint = new Point(0.0, 0.0), Page1ReflectionEndPoint = new Point(0.0, 0.0), Page1RotateAngle = 0.0, Page1RotateCenterX = 0.0, Page1RotateCenterY = 0.0, Page1TranslateX = 0.0, Page1TranslateY = 0.0, Page2ClippingFigure = new PathFigure(), Page0ShadowStartPoint = new Point(0.0, 0.0), Page0ShadowEndPoint = new Point(0.0, 0.0) };
}
// Methods
public static void CheckParams(ref BookPage source, ref Point p, CornerOrigin origin)
{
switch (origin)
{
case CornerOrigin.TopLeft:
p.X = source.RenderSize.Width - p.X;
CheckParams(ref source, ref p, CornerOrigin.TopRight);
p.X = source.RenderSize.Width - p.X;
return;
case CornerOrigin.TopRight:
if (origin != CornerOrigin.TopRight)
{
break;
}
if (p.Y == 0.0)
{
p.Y = s_dEPSILON;
}
if (p.X == 0.0)
{
p.X = s_dEPSILON;
}
if (p.Y > 0.0)
{
double num = Math.Sqrt((p.X * p.X) + (p.Y * p.Y));
if (num > source.RenderSize.Width)
{
double num2 = (p.X * source.RenderSize.Width) / num;
double num3 = (p.Y * source.RenderSize.Width) / num;
p.X = num2;
p.Y = num3;
}
}
else
{
Math.Sqrt((p.X * p.X) + (p.Y * p.Y));
double num4 = Math.Sqrt((source.RenderSize.Width * source.RenderSize.Width) + (source.RenderSize.Height * source.RenderSize.Height));
double num5 = ((p.Y * p.Y) / (p.X * p.X)) + 1.0;
double num6 = ((-2.0 * p.Y) * source.RenderSize.Height) / p.X;
double num7 = (source.RenderSize.Height * source.RenderSize.Height) - (num4 * num4);
double d = (num6 * num6) - ((4.0 * num5) * num7);
double num9 = 0.0;
if (p.X > 0.0)
{
num9 = (-num6 + Math.Sqrt(d)) / (2.0 * num5);
}
else
{
num9 = (-num6 - Math.Sqrt(d)) / (2.0 * num5);
}
double num10 = (p.Y * num9) / p.X;
if (Math.Abs(num9) < Math.Abs(p.X))
{
p.X = num9;
p.Y = num10;
}
}
if ((source.RenderSize.Width - p.X) != p.Y)
{
break;
}
p.X += s_dEPSILON;
return;
case CornerOrigin.BottomLeft:
p.Y = source.RenderSize.Height - p.Y;
p.X = source.RenderSize.Width - p.X;
CheckParams(ref source, ref p, CornerOrigin.TopRight);
p.Y = source.RenderSize.Height - p.Y;
p.X = source.RenderSize.Width - p.X;
break;
case CornerOrigin.BottomRight:
p.Y = source.RenderSize.Height - p.Y;
CheckParams(ref source, ref p, CornerOrigin.TopRight);
p.Y = source.RenderSize.Height - p.Y;
return;
default:
return;
}
}
public static PageParameters? ComputePage(BookPage source, Point p, CornerOrigin origin)
{
Point point;
Point point2;
Point point3;
Point point4;
CheckParams(ref source, ref p, origin);
PageParameters parameters = new PageParameters(source.RenderSize);
double num = ComputeProgressRatio(source, p, origin);
if (num > 1.5)
{
num = (2.0 - num) / 0.5;
}
else
{
num = 1.0;
}
parameters.Page0ShadowOpacity = num;
double width = source.RenderSize.Width;
double height = source.RenderSize.Height;
switch (origin)
{
case CornerOrigin.TopLeft:
p.X = width - p.X;
p.Y = height - p.Y;
break;
case CornerOrigin.TopRight:
p.Y = height - p.Y;
break;
case CornerOrigin.BottomLeft:
p.X = width - p.X;
break;
}
if (p.X >= width)
{
return null;
}
double num4 = -(p.Y - height) / (p.X - width);
double x = ((width + p.X) / 2.0) - (num4 * ((height + p.Y) / 2.0));
double y = (width - x) / num4;
double num7 = (num4 * height) + x;
double num8 = (Math.Atan((width - p.X) / (y - p.Y)) * 180.0) / 3.1415926535897931;
if ((num4 < 0.0) && (p.Y < y))
{
num8 -= 180.0;
}
switch (origin)
{
case CornerOrigin.TopLeft:
parameters.Page1RotateAngle = -num8;
parameters.Page1RotateCenterX = width - p.X;
parameters.Page1RotateCenterY = height - p.Y;
parameters.Page1TranslateX = -p.X;
parameters.Page1TranslateY = height - p.Y;
break;
case CornerOrigin.TopRight:
parameters.Page1RotateAngle = num8;
parameters.Page1RotateCenterX = p.X;
parameters.Page1RotateCenterY = height - p.Y;
parameters.Page1TranslateX = p.X;
parameters.Page1TranslateY = height - p.Y;
break;
case CornerOrigin.BottomLeft:
parameters.Page1RotateAngle = num8;
parameters.Page1RotateCenterX = width - p.X;
parameters.Page1RotateCenterY = p.Y;
parameters.Page1TranslateX = -p.X;
parameters.Page1TranslateY = p.Y - height;
break;
case CornerOrigin.BottomRight:
parameters.Page1RotateAngle = -num8;
parameters.Page1RotateCenterX = p.X;
parameters.Page1RotateCenterY = p.Y;
parameters.Page1TranslateX = p.X;
parameters.Page1TranslateY = p.Y - height;
break;
}
switch (origin)
{
case CornerOrigin.TopLeft:
if (num8 >= 0.0)
{
parameters.Page1ClippingFigure.StartPoint = new Point(width, height);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(x, height), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width, height - y), false));
break;
}
parameters.Page1ClippingFigure.StartPoint = new Point(width, 0.0);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(num7, 0.0), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width, height - y), false));
break;
case CornerOrigin.TopRight:
if (num8 >= 0.0)
{
parameters.Page1ClippingFigure.StartPoint = new Point(0.0, height);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width - x, height), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(0.0, height - y), false));
break;
}
parameters.Page1ClippingFigure.StartPoint = new Point(0.0, 0.0);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width - num7, 0.0), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(0.0, height - y), false));
break;
case CornerOrigin.BottomLeft:
if (num8 >= 0.0)
{
parameters.Page1ClippingFigure.StartPoint = new Point(width, 0.0);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(x, 0.0), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width, y), false));
break;
}
parameters.Page1ClippingFigure.StartPoint = new Point(width, height);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(num7, height), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width, y), false));
break;
case CornerOrigin.BottomRight:
if (num8 >= 0.0)
{
parameters.Page1ClippingFigure.StartPoint = new Point(0.0, 0.0);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width - x, 0.0), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(0.0, y), false));
break;
}
parameters.Page1ClippingFigure.StartPoint = new Point(0.0, height);
parameters.Page1ClippingFigure.Segments.Clear();
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(width - num7, height), false));
parameters.Page1ClippingFigure.Segments.Add(new LineSegment(new Point(0.0, y), false));
break;
}
parameters.Page2ClippingFigure.StartPoint = new Point(width - parameters.Page1ClippingFigure.StartPoint.X, parameters.Page1ClippingFigure.StartPoint.Y);
parameters.Page2ClippingFigure.Segments = parameters.Page1ClippingFigure.Segments.Clone();
((LineSegment)parameters.Page2ClippingFigure.Segments[0]).Point = new Point(width - ((LineSegment)parameters.Page2ClippingFigure.Segments[0]).Point.X, ((LineSegment)parameters.Page2ClippingFigure.Segments[0]).Point.Y);
((LineSegment)parameters.Page2ClippingFigure.Segments[1]).Point = new Point(width - ((LineSegment)parameters.Page2ClippingFigure.Segments[1]).Point.X, ((LineSegment)parameters.Page2ClippingFigure.Segments[1]).Point.Y);
CornerOrigin topLeft = CornerOrigin.TopLeft;
switch (origin)
{
case CornerOrigin.TopLeft:
topLeft = CornerOrigin.TopRight;
break;
case CornerOrigin.TopRight:
topLeft = CornerOrigin.TopLeft;
break;
case CornerOrigin.BottomLeft:
topLeft = CornerOrigin.BottomRight;
break;
case CornerOrigin.BottomRight:
topLeft = CornerOrigin.BottomLeft;
break;
}
NLinearGradientHelper.ComputePointsFromTop(width, height, width - num7, height - y, 20.0, 20.0, topLeft, out point, out point2);
parameters.Page1ReflectionStartPoint = point;
parameters.Page1ReflectionEndPoint = point2;
double num9 = Math.Sqrt(Math.Pow(p.X - width, 2.0) + Math.Pow(p.Y - height, 2.0));
double num10 = num9 / 10.0;
double num11 = num9 / 10.0;
NLinearGradientHelper.ComputePoints(width, height, width - num7, height - y, num10, num11, origin, out point3, out point4);
parameters.Page0ShadowStartPoint = point3;
parameters.Page0ShadowEndPoint = point4;
return new PageParameters?(parameters);
}
public static int ComputeAnimationDuration(BookPage source, Point p, CornerOrigin origin)
{
double num = ComputeProgressRatio(source, p, origin);
int num2 = Convert.ToInt32((double)(s_nANIMATION_DURATION * ((num / 2.0) + 0.5)));
if (num2 <= 10)
{
num2 = 10;
}
return num2;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (this.m_refPARTLeftPage != null)
{
this.m_refPARTLeftPage.DraggingStarted -= new RoutedEventHandler(this.OnLeftPageDraggingStarted);
this.m_refPARTLeftPage.DraggingEnded -= new RoutedEventHandler(this.OnLeftPageDraggingEnded);
this.m_refPARTLeftPage.PageTurned -= new RoutedEventHandler(this.OnLeftPageTurned);
this.m_refPARTLeftPage.IdleAnimationEnded -= new RoutedEventHandler(this.OnIdleAnimationEnded);
this.m_refPARTLeftPage.PageDropped -= new RoutedEventHandler(this.OnPageDropped);
}
if (this.m_refPARTRightPage != null)
{
this.m_refPARTRightPage.DraggingStarted -= new RoutedEventHandler(this.OnRightPageDraggingStarted);
this.m_refPARTRightPage.DraggingEnded -= new RoutedEventHandler(this.OnRightPageDraggingEnded);
this.m_refPARTRightPage.PageTurned -= new RoutedEventHandler(this.OnRightPageTurned);
this.m_refPARTRightPage.IdleAnimationEnded -= new RoutedEventHandler(this.OnIdleAnimationEnded);
this.m_refPARTRightPage.PageDropped -= new RoutedEventHandler(this.OnPageDropped);
}
this.m_refPARTLeftPage = (BookPage)this.GetTemplateChild("PART_LeftPage");
this.m_refPARTRightPage = (BookPage)this.GetTemplateChild("PART_RightPage");
if (this.m_refPARTLeftPage != null)
{
this.m_refPARTLeftPage.DraggingStarted += new RoutedEventHandler(this.OnLeftPageDraggingStarted);
this.m_refPARTLeftPage.DraggingEnded += new RoutedEventHandler(this.OnLeftPageDraggingEnded);
this.m_refPARTLeftPage.PageTurned += new RoutedEventHandler(this.OnLeftPageTurned);
this.m_refPARTLeftPage.IdleAnimationEnded += new RoutedEventHandler(this.OnIdleAnimationEnded);
this.m_refPARTLeftPage.PageDropped += new RoutedEventHandler(this.OnPageDropped);
if (this.m_refPARTLeftPage.IsLoaded)
{
if (this.DisplayPageNumbers)
this.m_refPARTLeftPage.ShowPageNumbers();
else
this.m_refPARTLeftPage.HidePageNumbers();
}
else
this.m_refPARTLeftPage.Loaded += (RoutedEventHandler)((s, e) =>
{
if (this.DisplayPageNumbers)
this.m_refPARTLeftPage.ShowPageNumbers();
else
this.m_refPARTLeftPage.HidePageNumbers();
});
}
if (this.m_refPARTRightPage != null)
{
this.m_refPARTRightPage.DraggingStarted += new RoutedEventHandler(this.OnRightPageDraggingStarted);
this.m_refPARTRightPage.DraggingEnded += new RoutedEventHandler(this.OnRightPageDraggingEnded);
this.m_refPARTRightPage.PageTurned += new RoutedEventHandler(this.OnRightPageTurned);
this.m_refPARTRightPage.IdleAnimationEnded += new RoutedEventHandler(this.OnIdleAnimationEnded);
this.m_refPARTRightPage.PageDropped += new RoutedEventHandler(this.OnPageDropped);
if (this.m_refPARTRightPage.IsLoaded)
{
if (this.DisplayPageNumbers)
this.m_refPARTRightPage.ShowPageNumbers();
else
this.m_refPARTRightPage.HidePageNumbers();
}
else
this.m_refPARTRightPage.Loaded += (RoutedEventHandler)((s, e) =>
{
if (this.DisplayPageNumbers)
this.m_refPARTRightPage.ShowPageNumbers();
else
this.m_refPARTRightPage.HidePageNumbers();
});
}
if (DesignerProperties.GetIsInDesignMode((DependencyObject)this))
return;
this.RefreshSheetsContent();
if (this.IsEnabled)
this.m_refIdleAnimationTimer.Start();
this.IsEnabledChanged += new DependencyPropertyChangedEventHandler(this.OnIsEnabledChanged);
}
public void Dispose()
{
CommandBindings.Clear();
Loaded -= OnLoaded;
Unloaded -= OnUnloaded;
IsEnabledChanged -= OnIsEnabledChanged;
if (m_refPARTLeftPage != null)
{
m_refPARTLeftPage.DraggingStarted -= OnLeftPageDraggingStarted;
m_refPARTLeftPage.DraggingEnded -= OnLeftPageDraggingEnded;
m_refPARTLeftPage.PageTurned -= OnLeftPageTurned;
m_refPARTLeftPage.IdleAnimationEnded -= OnIdleAnimationEnded;
m_refPARTLeftPage.PageDropped -= OnPageDropped;
m_refPARTLeftPage.Dispose();
m_refPARTLeftPage = null;
}
if (this.m_refPARTRightPage != null)
{
this.m_refPARTRightPage.DraggingStarted -= new RoutedEventHandler(this.OnRightPageDraggingStarted);
this.m_refPARTRightPage.DraggingEnded -= new RoutedEventHandler(this.OnRightPageDraggingEnded);
this.m_refPARTRightPage.PageTurned -= new RoutedEventHandler(this.OnRightPageTurned);
this.m_refPARTRightPage.IdleAnimationEnded -= new RoutedEventHandler(this.OnIdleAnimationEnded);
this.m_refPARTRightPage.PageDropped -= new RoutedEventHandler(this.OnPageDropped);
this.m_refPARTRightPage.Dispose();
this.m_refPARTRightPage = (BookPage)null;
}
if (this.m_refIdleAnimationTimer == null)
return;
this.m_refIdleAnimationTimer.Tick -= new EventHandler(this.OnIdleAnimationTimerTick);
this.m_refIdleAnimationTimer.Stop();
}
