public static void SnapSize(IVisio.Page page, TargetShapeIDs target, Drawing.Size snapsize, Drawing.Size minsize)
{
var input_xfrms = ShapeXFormData.Get(page, target);
var sizes = new List <VisioAutomation.Drawing.Size>(input_xfrms.Count);
var grid = new SnappingGrid(snapsize);
foreach (var input_xfrm in input_xfrms)
{
// First snap the size to the grid
double old_w = input_xfrm.Width;
double old_h = input_xfrm.Height;
var input_size = new Drawing.Size(old_w, old_h);
var snapped_size = grid.Snap(input_size);
// then account for any minum size requirements
double new_w = System.Math.Max(snapped_size.Width, minsize.Width);
double new_h = System.Math.Max(snapped_size.Height, minsize.Height);
sizes.Add(new VisioAutomation.Drawing.Size(new_w, new_h));
}
// Now apply the updates to the sizes
ModifySizes(page, target.ShapeIDs, sizes);
}
private static Drawing.Point GetPinPositionForCorner(ShapeXFormData input_xfrm, Drawing.Point new_lower_left, SnapCornerPosition corner)
{
var size = new Drawing.Size(input_xfrm.Width, input_xfrm.Height);
var locpin = new Drawing.Point(input_xfrm.LocPinX, input_xfrm.LocPinY);
switch (corner)
{
case SnapCornerPosition.LowerLeft:
{
return(new_lower_left.Add(locpin.X, locpin.Y));
}
case SnapCornerPosition.UpperRight:
{
return(new_lower_left.Subtract(size.Width, size.Height).Add(locpin.X, locpin.Y));
}
case SnapCornerPosition.LowerRight:
{
return(new_lower_left.Subtract(size.Width, 0).Add(locpin.X, locpin.Y));
}
case SnapCornerPosition.UpperLeft:
{
return(new_lower_left.Subtract(0, size.Height).Add(locpin.X, locpin.Y));
}
default:
{
throw new System.ArgumentOutOfRangeException(nameof(corner), "Unsupported corner");
}
}
}
private static double GetPositionOnShape(ShapeXFormData xform, ShapeRelativePosition pos)
{
var r = xform.GetRectangle();
switch (pos)
{
case ShapeRelativePosition.PinY:
return(xform.PinY);
case ShapeRelativePosition.PinX:
return(xform.PinX);
case ShapeRelativePosition.Left:
return(r.Left);
case ShapeRelativePosition.Right:
return(r.Right);
case ShapeRelativePosition.Top:
return(r.Top);
case ShapeRelativePosition.Bottom:
return(r.Bottom);
}
throw new System.ArgumentOutOfRangeException(nameof(pos));
}
internal static List <int> SortShapesByPosition(IVisio.Page page, TargetShapeIDs targets, ShapeRelativePosition pos)
{
// First get the transforms of the shapes on the given axis
var xforms = ShapeXFormData.Get(page, targets);
// Then, sort the shapeids pased on the corresponding value in the results
var sorted_shape_ids = Enumerable.Range(0, targets.ShapeIDs.Count)
.Select(i => new { index = i, shapeid = targets.ShapeIDs[i], pos = ArrangeHelper.GetPositionOnShape(xforms[i], pos) })
.OrderBy(i => i.pos)
.Select(i => i.shapeid)
.ToList();
return(sorted_shape_ids);
}
public static void DistributeWithSpacing(IVisio.Page page, TargetShapeIDs target, Axis axis, double spacing)
{
if (spacing < 0.0)
{
throw new System.ArgumentOutOfRangeException(nameof(spacing));
}
if (target.ShapeIDs.Count < 2)
{
return;
}
// Calculate the new Xfrms
var sortpos = axis == Axis.XAxis
? ShapeRelativePosition.PinX
: ShapeRelativePosition.PinY;
var delta = axis == Axis.XAxis
? new Drawing.Size(spacing, 0)
: new Drawing.Size(0, spacing);
var input_xfrms = ShapeXFormData.Get(page, target);
var bb = ShapeXFormData.GetBoundingBox(input_xfrms);
var cur_pos = new Drawing.Point(bb.Left, bb.Bottom);
var newpositions = new List <VisioAutomation.Drawing.Point>(target.ShapeIDs.Count);
foreach (var input_xfrm in input_xfrms)
{
var new_pinpos = axis == Axis.XAxis
? new Drawing.Point(cur_pos.X + input_xfrm.LocPinX, input_xfrm.PinY)
: new Drawing.Point(input_xfrm.PinX, cur_pos.Y + input_xfrm.LocPinY);
newpositions.Add(new_pinpos);
cur_pos = cur_pos.Add(input_xfrm.Width, input_xfrm.Height).Add(delta);
}
// Apply the changes
var sorted_shape_ids = ArrangeHelper.SortShapesByPosition(page, target, sortpos);
ModifyPinPositions(page, sorted_shape_ids, newpositions);
}
public static void SnapCorner(IVisio.Page page, TargetShapeIDs target, Drawing.Size snapsize, SnapCornerPosition corner)
{
// First caculate the new transforms
var snap_grid = new SnappingGrid(snapsize);
var input_xfrms = ShapeXFormData.Get(page, target);
var output_xfrms = new List <VisioAutomation.Drawing.Point>(input_xfrms.Count);
foreach (var input_xfrm in input_xfrms)
{
var old_rect = input_xfrm.GetRectangle();
var old_lower_left = old_rect.LowerLeft;
var new_lower_left = snap_grid.Snap(old_lower_left);
var new_pin_position = ArrangeHelper.GetPinPositionForCorner(input_xfrm, new_lower_left, corner);
var output_xfrm = new VisioAutomation.Drawing.Point(new_pin_position.X, new_pin_position.Y);
output_xfrms.Add(output_xfrm);
}
ModifyPinPositions(page, target.ShapeIDs, output_xfrms);
}
