private PowerPoint.Shape ApplyCircleOverlayEffect(string color, int transparency,
float left, float top, float width, float height, bool isOutline)
{
float radius = (float)Math.Sqrt(width * width / 4 + height * height / 4);
float circleLeft = left - radius + width / 2;
float circleTop = top - radius + height / 2;
float circleWidth = radius * 2;
PowerPoint.Shape overlayShape = Shapes.AddShape(MsoAutoShapeType.msoShapeOval, circleLeft, circleTop,
circleWidth, circleWidth);
overlayShape.Fill.Solid();
overlayShape.Fill.ForeColor.RGB = GraphicsUtil.ConvertColorToRgb(StringUtil.GetColorFromHexValue(color));
overlayShape.Fill.Transparency = (float)transparency / 100;
overlayShape.Line.ForeColor.RGB = GraphicsUtil.ConvertColorToRgb(StringUtil.GetColorFromHexValue(color));
overlayShape.Line.Transparency = (float)transparency / 100;
overlayShape.Line.Weight = 5;
if (isOutline)
{
overlayShape.Fill.Visible = MsoTriState.msoFalse;
overlayShape.Line.Visible = MsoTriState.msoTrue;
}
else
{
overlayShape.Fill.Visible = MsoTriState.msoTrue;
overlayShape.Line.Visible = MsoTriState.msoFalse;
}
// as picture shape
overlayShape.Cut();
overlayShape = Shapes.PasteSpecial(PowerPoint.PpPasteDataType.ppPastePNG)[1];
overlayShape.Left = circleLeft;
overlayShape.Top = circleTop;
ChangeName(overlayShape, EffectName.Overlay);
return(overlayShape);
}
//Stores slide-size crop of the current slide as a global variable
private void AddZoomSlideCroppedPicture(float magnifyRatio = 1.0f)
{
PowerPointSlide zoomSlideCopy = this.Duplicate();
Globals.ThisAddIn.Application.ActiveWindow.View.GotoSlide(zoomSlideCopy.Index);
PowerPoint.Shape cropShape = zoomSlideCopy.Shapes.AddShape(Office.MsoAutoShapeType.msoShapeRectangle, 0, 0, PowerPointPresentation.Current.SlideWidth - 0.01f, PowerPointPresentation.Current.SlideHeight - 0.01f);
cropShape.Select();
PowerPoint.Selection sel = Globals.ThisAddIn.Application.ActiveWindow.Selection;
PowerPoint.Shape croppedShape = CropToShape.Crop(zoomSlideCopy, sel, magnifyRatio: magnifyRatio);
croppedShape.Cut();
zoomSlideCroppedShapes = _slide.Shapes.PasteSpecial(PowerPoint.PpPasteDataType.ppPastePNG)[1];
zoomSlideCroppedShapes.Name = "PPTLabsMagnifyAreaGroup" + DateTime.Now.ToString("yyyyMMddHHmmssffff");
Utils.ShapeUtil.FitShapeToSlide(ref zoomSlideCroppedShapes);
zoomSlideCopy.Delete();
}
private static Shape ImportPictureToSlide(Shape shapeToAdd, Slide targetSlide, string tempFilePath)
{
// The AccessViolationException is no longer catchable
if (!FileDir.IsFileReadable(tempFilePath))
{
return(PPLClipboard.Instance.LockAndRelease(() =>
{
shapeToAdd.Cut();
return targetSlide.Shapes.PasteSpecial(PpPasteDataType.ppPastePNG)[1];
}));
}
else
{
shapeToAdd.Delete();
return(targetSlide.Shapes.AddPicture2(tempFilePath,
MsoTriState.msoFalse,
MsoTriState.msoTrue,
0,
0));
}
}
//Stores slide-size crop of the current slide as a global variable
private void AddZoomSlideCroppedPicture(float magnifyRatio = 1.0f)
{
PowerPointSlide zoomSlideCopy = this.Duplicate();
Globals.ThisAddIn.Application.ActiveWindow.View.GotoSlide(zoomSlideCopy.Index);
PowerPoint.Shape cropShape = zoomSlideCopy.Shapes.AddShape(Office.MsoAutoShapeType.msoShapeRectangle, 0, 0, PowerPointPresentation.Current.SlideWidth - 0.01f, PowerPointPresentation.Current.SlideHeight - 0.01f);
cropShape.Select();
PowerPoint.Selection sel = Globals.ThisAddIn.Application.ActiveWindow.Selection;
PowerPoint.Shape croppedShape = CropToShape.Crop(zoomSlideCopy, sel, magnifyRatio: magnifyRatio);
try
{
string tempFilePath = FileDir.GetTemporaryPngFilePath();
Utils.GraphicsUtil.ExportShape(croppedShape, tempFilePath);
zoomSlideCroppedShapes = _slide.Shapes.AddPicture2(tempFilePath,
Office.MsoTriState.msoFalse,
Office.MsoTriState.msoTrue,
0,
0);
croppedShape.Delete();
try
{
FileDir.DeleteFile(tempFilePath);
}
catch (Exception)
{
// If the file cannot be deleted, we continue without deletion.
}
}
catch (Exception)
{
// Revert to normal copy and pasting if unable to create file.
croppedShape.Cut();
zoomSlideCroppedShapes = _slide.Shapes.PasteSpecial(PowerPoint.PpPasteDataType.ppPastePNG)[1];
}
zoomSlideCroppedShapes.Name = "PPTLabsMagnifyAreaGroup" + DateTime.Now.ToString("yyyyMMddHHmmssffff");
Utils.ShapeUtil.FitShapeToSlide(ref zoomSlideCroppedShapes);
zoomSlideCopy.Delete();
}
public static Shape CorruptionCorrection(Shape shape, PowerPointSlide ownerSlide)
{
// in case of random corruption of shape, cut-paste a shape before using its property
shape.Cut();
return ownerSlide.Shapes.Paste()[1];
}
/// <summary>
/// To avoid corrupted shape.
/// Corrupted shape is produced when delete or cut a shape programmatically, but then users undo it.
/// After that, most of operations on corrupted shapes will throw an exception.
/// One solution for this is to re-allocate its memory: simply cut/copy and paste.
/// </summary>
/// <param name="shape"></param>
/// <returns></returns>
private static PowerPoint.Shape CutPasteShape(PowerPoint.Shape shape)
{
shape.Cut();
shape = PowerPointCurrentPresentationInfo.CurrentSlide.Shapes.Paste()[1];
return(shape);
}
