public PowerPoint.Shape ApplyRectBannerEffect(BannerDirection direction, Position textPos, PowerPoint.Shape imageShape,
string overlayColor, int transparency)
{
var tbInfo =
new TextBoxes(Shapes.Range(), SlideWidth, SlideHeight)
.GetTextBoxesInfo();
if (tbInfo == null)
return null;
TextBoxes.AddMargin(tbInfo);
PowerPoint.Shape overlayShape;
direction = HandleAutoDirection(direction, textPos);
switch (direction)
{
case BannerDirection.Horizontal:
overlayShape = ApplyOverlayEffect(overlayColor, transparency, 0, tbInfo.Top, SlideWidth,
tbInfo.Height);
break;
// case BannerDirection.Vertical:
default:
overlayShape = ApplyOverlayEffect(overlayColor, transparency, tbInfo.Left, 0, tbInfo.Width,
SlideHeight);
break;
}
ChangeName(overlayShape, EffectName.Banner);
overlayShape.ZOrder(MsoZOrderCmd.msoSendToBack);
if (imageShape != null)
{
imageShape.ZOrder(MsoZOrderCmd.msoSendToBack);
}
return overlayShape;
}
private BannerDirection HandleAutoDirection(BannerDirection dir, Position textPos)
{
if (dir != BannerDirection.Auto) return dir;
switch (textPos)
{
case Position.Left:
case Position.Centre:
case Position.Right:
return BannerDirection.Vertical;
default:
return BannerDirection.Horizontal;
}
}
public void ApplyTextPositionAndAlignment(Position pos, Alignment alignment)
{
new TextBoxes(Shapes.Range(), SlideWidth, SlideHeight)
.SetPosition(pos)
.SetAlignment(alignment)
.StartBoxing();
}
