public static void MagnifierZoomAboutPoint(Grid gMagnifierFlipBox, MultiScaleImage mSlide, Border bMagnifierBorder, Point pSlideBoxPixelPoint, float fScreenRatio)
{
MultiScaleImage multiScaleImage = gMagnifierFlipBox.FindName("mMagnifier") as MultiScaleImage;
gMagnifierFlipBox.FindName("gMagnifierMarkBox");
if (mSlide.Source == null)
{
multiScaleImage.Visibility = Visibility.Collapsed;
return;
}
multiScaleImage.Visibility = Visibility.Visible;
if (multiScaleImage.Source != mSlide.Source)
{
multiScaleImage.Source = mSlide.Source;
GetMagnifierMark(mSlide, gMagnifierFlipBox, fScreenRatio);
}
float num = mSlide.fTargetScale * 2f;
if (multiScaleImage.OriginalScale != (double)num)
{
float num2 = float.Parse(multiScaleImage.DataContext.ToString()) * num;
multiScaleImage.minScaleRelativeToMinSize = 1.0;
multiScaleImage.OriginalScale = num;
multiScaleImage.MaxScaleRelativeToMaxSize = 4f * num;
float currentScale = multiScaleImage.GetCurrentScale();
multiScaleImage.ScaleCanvas(num2 / currentScale, new Point(bMagnifierBorder.Width / 2.0, bMagnifierBorder.Height / 2.0));
}
Point slideBoxFlipValue = PublicMethods.GetSlideBoxFlipValue(PublicMethods.FindSlideBox(mSlide));
if (PublicMethods.GetElementFlipValue(gMagnifierFlipBox) != slideBoxFlipValue)
{
FlipTool.FlipElement(gMagnifierFlipBox, slideBoxFlipValue.X, slideBoxFlipValue.Y);
}
int elementActualAngle = PublicMethods.GetElementActualAngle(mSlide);
if (PublicMethods.GetElementActualAngle(multiScaleImage) != elementActualAngle)
{
RotateMagnifier(multiScaleImage, elementActualAngle);
}
pSlideBoxPixelPoint = PublicMethods.FlipPoint(PublicMethods.FindSlideBox(mSlide), pSlideBoxPixelPoint);
Point pPixelPoint = mSlide.BoxPixelToControlPixel(pSlideBoxPixelPoint);
Point pNavigatorRatio = mSlide.ControlPixelToSlideRatio(pPixelPoint, false);
Point pDeltaOffset = multiScaleImage.RatioOffsetToDeltaOffset(pNavigatorRatio);
multiScaleImage.DeltaToPan(pDeltaOffset);
Mark.UpdateAllMarks(gMagnifierFlipBox, fScreenRatio);
}
public static void UpdateViewRect(Grid gSlideBox, bool bScaleChanged, bool animate = false, float fDurationTime = 0f, EasingFunctionBase easing = null)
{
MultiScaleImage mSlide = gSlideBox.FindName("mMultiScaleImage") as MultiScaleImage;
ZoomableCanvas zcCycleGrid = gSlideBox.FindName("zcGrid") as ZoomableCanvas;
Border border = gSlideBox.FindName("bGridBox") as Border;
float fTargetScale = mSlide.fTargetScale;
if (zcCycleGrid.Children.Count == 0)
{
return;
}
System.Windows.Point point = mSlide.SlideRatioToBoxPixel(new System.Windows.Point(0.0, 0.0));
int elementActualAngle = PublicMethods.GetElementActualAngle(mSlide);
if (!animate)
{
zcCycleGrid.ApplyAnimationClock(ZoomableCanvas.ScaleProperty, null);
border.ApplyAnimationClock(FrameworkElement.MarginProperty, null);
border.Margin = new Thickness(point.X, point.Y, 0.0, 0.0);
zcCycleGrid.Scale = fTargetScale;
if (bScaleChanged)
{
foreach (System.Windows.Shapes.Rectangle child in zcCycleGrid.Children)
{
child.StrokeThickness = 1f / fTargetScale;
}
}
}
else
{
border.BeginAnimation(FrameworkElement.MarginProperty, new ThicknessAnimation(new Thickness(point.X, point.Y, 0.0, 0.0), TimeSpan.FromMilliseconds(fDurationTime))
{
EasingFunction = easing
}, HandoffBehavior.Compose);
if (bScaleChanged)
{
DoubleAnimation doubleAnimation = new DoubleAnimation(fTargetScale, TimeSpan.FromMilliseconds(fDurationTime))
{
EasingFunction = easing
};
int i = 0;
doubleAnimation.CurrentTimeInvalidated += delegate
{
Task.Factory.StartNew(delegate
{
i++;
if (i % 3 == 0)
{
float fCurrentScale = 0f;
zcCycleGrid.Dispatcher.BeginInvoke((Action) delegate
{
fCurrentScale = mSlide.GetCurrentScale();
foreach (System.Windows.Shapes.Rectangle child2 in zcCycleGrid.Children)
{
child2.StrokeThickness = 1f / fCurrentScale;
}
}, DispatcherPriority.Loaded);
}
}, TaskCreationOptions.AttachedToParent);
};
zcCycleGrid.BeginAnimation(ZoomableCanvas.ScaleProperty, doubleAnimation, HandoffBehavior.Compose);
}
}
System.Windows.Point point3 = border.RenderTransformOrigin = new System.Windows.Point(0.0, 0.0);
border.RenderTransform = new RotateTransform(elementActualAngle);
}
public static bool ResetZoomTool(MultiScaleImage mSlide, StackPanel sZoomTool, Canvas cChoicesBox, Line lBGLine, Line lValueLine, int iDefaultAngle, float fScreenRatio, ResourceDictionary rdDirectory)
{
Grid grid = mSlide.Parent as Grid;
if (mSlide.Source == null)
{
sZoomTool.Visibility = Visibility.Collapsed;
return(false);
}
sZoomTool.Visibility = Visibility.Visible;
listChoice = new List <int>
{
1,
2,
4,
10
};
if (cChoicesBox.Children.Count > 4)
{
cChoicesBox.Children.RemoveRange(4, cChoicesBox.Children.Count - 1);
}
double dMaxActualZoom = mSlide.Source.sbcCurrentSlide.dMaxActualZoom;
if (dMaxActualZoom >= 120.0)
{
iMaxSetZoom = 160;
listChoice.AddRange(new List <int>
{
20,
40,
80,
120,
160
});
}
else if (dMaxActualZoom >= 80.0)
{
iMaxSetZoom = 120;
listChoice.AddRange(new List <int>
{
20,
40,
80,
120
});
}
else if (dMaxActualZoom >= 40.0)
{
iMaxSetZoom = 80;
listChoice.AddRange(new List <int>
{
20,
40,
80
});
}
else if (dMaxActualZoom >= 20.0)
{
iMaxSetZoom = 40;
listChoice.AddRange(new List <int>
{
20,
40
});
}
else
{
iMaxSetZoom = 20;
listChoice.Add(20);
}
float num = (float)grid.ActualWidth;
float num2 = (float)grid.ActualHeight;
if (iDefaultAngle / 90 % 2 == 1)
{
num = (float)grid.ActualHeight;
num2 = (float)grid.ActualWidth;
}
float num3 = (float)Math.Min((double)num / mSlide.Source.ImageSize.Width, (double)num2 / mSlide.Source.ImageSize.Height);
mSlide.OriginalScale = num3;
mSlide.MaxScaleRelativeToMaxSize = (double)iMaxSetZoom / mSlide.Source.sbcCurrentSlide.dMaxActualZoom / (double)fScreenRatio;
float fScale = (float)mSlide.minScaleRelativeToMinSize * num3;
fMinSetZoom = ScaleToZoom(mSlide, fScale, fScreenRatio);
fTotalHeight = GetTopValue(iMaxSetZoom) + 10f;
cChoicesBox.Height = fTotalHeight;
lBGLine.Y2 = fTotalHeight;
lValueLine.Y1 = fTotalHeight;
foreach (int item in listChoice)
{
Label label = new Label();
label.Margin = new Thickness(-35.0, fTotalHeight - GetTopValue(item) - 18f, 0.0, 0.0);
label.SetValue(FrameworkElement.StyleProperty, rdDirectory["ZoomToolChoices"]);
label.Content = item;
Line line = new Line();
line.Stroke = new SolidColorBrush(Color.FromRgb(byte.MaxValue, 0, 0));
line.StrokeThickness = 1.0;
line.X1 = 5.0;
line.X2 = 15.0;
line.Y1 = fTotalHeight - GetTopValue(item) - 5f;
line.Y2 = fTotalHeight - GetTopValue(item) - 5f;
cChoicesBox.Children.Add(label);
cChoicesBox.Children.Add(line);
}
float currentScale = mSlide.GetCurrentScale();
ScaleToZoom(mSlide, currentScale, fScreenRatio);
return(true);
}