public static void RotateSlide(Grid gSlideBox, int iTargetActualAngle)
{
MultiScaleImage multiScaleImage = gSlideBox.FindName("mMultiScaleImage") as MultiScaleImage;
RotateTransform renderTransform = new RotateTransform(iTargetActualAngle);
int acuteAngle = PublicMethods.GetAcuteAngle(iTargetActualAngle);
float num = (float)Math.Sin(Math.PI / 180.0 * (double)acuteAngle);
float num2 = (float)Math.Cos(Math.PI / 180.0 * (double)acuteAngle);
float num3 = (0f - (float)(multiScaleImage.ActualWidth - gSlideBox.ActualWidth)) / 2f;
float num4 = (0f - (float)(multiScaleImage.ActualHeight - gSlideBox.ActualHeight)) / 2f;
multiScaleImage.RenderTransformOrigin = new Point(0.5, 0.5);
multiScaleImage.RenderTransform = renderTransform;
float num5 = (float)gSlideBox.ActualWidth;
float num6 = (float)gSlideBox.ActualHeight;
float num7 = num5 * num2 + num6 * num;
float num8 = num5 * num + num6 * num2;
float num9 = (0f - (num7 - num5)) / 2f;
float num10 = (0f - (num8 - num6)) / 2f;
multiScaleImage.Margin = new Thickness(num9, num10, num9, num10);
Point pDeltaOffset = default(Point);
if (multiScaleImage.Source != null)
{
pDeltaOffset.X = 0f - num3 + num9;
pDeltaOffset.Y = 0f - num4 + num10;
multiScaleImage.DeltaToPan(pDeltaOffset, false, 2);
}
}
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);
}