static void ClipObjectTo(GroupObject groupObject, Bounds boundingBox)
{
List<PathTriple> triples = new List<PathTriple>()
{
new PathTriple(boundingBox.TopLeft),
new PathTriple(boundingBox.TopRight),
new PathTriple(boundingBox.BottomRight),
new PathTriple(boundingBox.BottomLeft)
};
PathShape clipPathShape = new PathShape();
clipPathShape.AddPath(new Path(triples)
{
IsClosed = true
});
// clipPathShape is now a rectangle with coordinates matching our bounding box.
// We turn that into a ShapeObject
ShapeObject clipShape = new ShapeObject();
clipShape.Shape = clipPathShape;
// Add it to the group object and turn on clipping.
groupObject.IsClipped = true;
groupObject.AddObject(clipShape);
}
private static void DistressMethod2()
{
VectorDesign design = VectorDesign.Load(@"DistressDesign.PV", VectorDesignFileTypes.Pv);
design.Render(@"DistressDesign-Method2-Original.PNG", RenderFormats.Png, 300, design.ColourContext);
// Distress method #2 is similar to method #1,
// however, in this case:
// 1. Create a distress pattern. This must be a vector design.
// It is simply white "random" objects on a transparent background.
// 2. Combine the distress objects with a bounding rectangle to "invert" them from
// a bunch of filled objects, to a bunch of holes in a rectangle.
// 3. Use the new distress object as a clipping mask over the design.
// Some scaling of the distress pattern may be necessary to make it look good.
// 4. Rendering the merged design.
//
// Unlike method #1, this method will work when rendering onto a transparent background.
var designBounds = design.GetBounds();
VectorDesign distress = VectorDesign.Load(@"DistressPattern.PV", VectorDesignFileTypes.Pv);
var distressBounds = distress.GetBounds();
// Create a new rectangle shape into which we'll add the distress shapes as "holes".
Path rectangle = new Path();
rectangle.Triples.Add(new PathTriple(distressBounds.TopLeft));
rectangle.Triples.Add(new PathTriple(distressBounds.TopRight));
rectangle.Triples.Add(new PathTriple(distressBounds.BottomRight));
rectangle.Triples.Add(new PathTriple(distressBounds.BottomLeft));
rectangle.IsClosed = true;
var distressShape = new PathShape();
distressShape.AddPath(rectangle);
// Take all the objects from the distress design
// and copy them to our PathShape instead.
var distressFirstPage = distress.Pages.First();
var distressFirstLayer = distressFirstPage.Layers.First();
foreach (var shapeObject in distress.ShapeObjects)
{
PathShape pathShape = shapeObject.Shape as PathShape;
if (pathShape != null)
{
distressShape.AddPaths(pathShape.Paths);
}
}
// At this point, distressShape should be a rectangle with a bunch of "holes" in it.
// Move the distress so it's center is at the same location as the design's center
var translate = Matrix3x2.Translate(designBounds.Center.X - distressBounds.Center.X, designBounds.Center.Y - distressBounds.Center.Y);
distressShape.ApplyTransform(translate);
// Depending on the distress, you may need to scale it.
// Calculate an appropriate scaling factor based on your use case.
//var scale = Matrix3x2.Scale(...);
//distressShape.ApplyTransform(scale);
// This will be our clipping mask
ShapeObject distressObject = new ShapeObject();
distressObject.Shape = distressShape;
//distressObject.Fill = new SolidFill(new RGBColour(0, 0, 0));
// Create a new design to act as our resulting "distressed" design
VectorDesign result = new VectorDesign();
result.ColourContext = design.ColourContext;
design.ResourceManager.CopyContentsTo(result.ResourceManager);
var resultPage = result.NewPage();
var resultLayer = resultPage.NewLayer();
// Copy all items from the source design to our new group object
GroupObject newGroup = new GroupObject();
design.ProcessObjects(obj =>
{
newGroup.AddObject(obj);
return obj;
});
// Add the clipping mask to the group as our clipping mask
newGroup.AddObject(distressObject);
newGroup.IsClipped = true;
resultLayer.AddObject(newGroup);
// Render on a white background
result.Render(@"DistressDesign-Method2-Final.PNG", RenderFormats.Png, 300, design.ColourContext);
}