protected internal override Path GetPath()
{
var points = ControlPoints;
var path = new Path();
path.MoveTo(points[0].ToPointF());
for (var i = 1; i < points.Length; i++)
{
path.LineTo(points[i].ToPointF());
}
var transform = Transform;
if (!transform.IsEmpty)
{
using (var matrix = new Matrix())
{
var bounds = ControlBounds;
matrix.Translate(-bounds.X - bounds.Width / 2, -bounds.Y - bounds.Height / 2);
matrix.Scale((float)transform.ScaleX, (float)transform.ScaleY, MatrixOrder.Append);
matrix.Rotate((float)transform.Angle, MatrixOrder.Append);
matrix.Translate(bounds.X + bounds.Width / 2, bounds.Y + bounds.Height / 2, MatrixOrder.Append);
matrix.Translate((float)transform.TranslateX, (float)transform.TranslateY, MatrixOrder.Append);
path.ApplyTransform(matrix);
}
}
return(path);
}
private Path[] GetPaths()
{
var horizontalLineLength = Cols * StepX;
var verticalLineLength = Rows * StepY;
var left = ControlPoints[0].X;
var top = ControlPoints[0].Y;
var verticalPath = new Path();
for (int i = 0; i <= Cols; i++)
{
var x = left + i * StepX;
verticalPath.MoveTo(x, top);
verticalPath.LineTo(x, verticalLineLength + top);
}
var horizonltalPath = new Path();
for (int i = 0; i <= Rows; i++)
{
var y = top + i * StepY;
horizonltalPath.MoveTo(left, y);
horizonltalPath.LineTo(horizontalLineLength + left, y);
}
return(new[] { verticalPath, horizonltalPath });
}
internal static Path FromAdvancedPath(AdvancedPath advancedPath)
{
var path = new Path();
var i = 0;
while (i < advancedPath.Points.Count)
{
var point = advancedPath.Points[i];
switch (point.Type)
{
case PathPointType.Close:
path.Close();
break;
case PathPointType.Move:
path.MoveTo(point.X, point.Y);
break;
case PathPointType.Line:
path.LineTo(point.X, point.Y);
break;
case PathPointType.Bezier3:
var point1 = advancedPath.Points[i + 1];
if (point1.Type == PathPointType.Bezier3)
{
path.QuadraticTo(point.X, point.Y, point1.X, point1.Y);
i += 1;
}
else
{
path.LineTo(point.X, point.Y);
}
break;
case PathPointType.Bezier4:
point1 = advancedPath.Points[i + 1];
var point2 = advancedPath.Points[i + 2];
if (point1.Type == PathPointType.Bezier4 && point2.Type == PathPointType.Bezier4)
{
path.CubicTo(point.X, point.Y, point1.X, point1.Y, point2.X, point2.Y);
i += 2;
}
else
{
path.LineTo(point.X, point.Y);
}
break;
}
i++;
}
return(path);
}
protected internal override Path GetPath()
{
var path = new Path();
foreach (var p in GetPaths())
{
path.DrawPath(p);
}
return(path);
}
private Path[] GetPaths()
{
var path = new Path();
var altPath = new Path();
var p0 = Point0;
var p1 = Point1;
var lineWidth = p1.X - p0.X;
var lineHeight = p1.Y - p0.Y;
var lineLength = SMath.Sqrt(SMath.Pow(lineWidth, 2) + SMath.Pow(lineHeight, 2));
var sin = lineHeight / lineLength;
var cos = lineWidth / lineLength;
var dashCount = (int)SMath.Ceiling(lineLength / (DashWidth + AltDashWidth));
var point = p0.Clone();
for (var i = 0; i < dashCount; i++)
{
path.MoveTo(point.ToPointF());
point.Translate(DashWidth * cos, DashWidth * sin);
if (SMath.Abs(point.X - p0.X) <= SMath.Abs(lineWidth) && SMath.Abs(point.Y - p0.Y) <= SMath.Abs(lineHeight))
{
path.LineTo(point.ToPointF());
altPath.MoveTo(point.ToPointF());
point.Translate(AltDashWidth * cos, AltDashWidth * sin);
if (SMath.Abs(point.X - p0.X) <= SMath.Abs(lineWidth) && SMath.Abs(point.Y - p0.Y) <= SMath.Abs(lineHeight))
{
altPath.LineTo(point.ToPointF());
}
else
{
altPath.LineTo(p1.ToPointF());
}
}
else
{
path.LineTo(p1.ToPointF());
}
}
return(new[] { path, altPath });
}
private void UpdateRectangle()
{
if (BoundingPaths == null || BoundingPaths.Length == 0)
{
return;
}
var union = BoundingPaths[0].ToAdvancedPath();
for (var i = 1; i < BoundingPaths.Length; i++)
{
union = AdvancedPath.Union(union, BoundingPaths[i].ToAdvancedPath());
}
var rectangle = union.GetBounds();
ChangeControlPoints(rectangle.X, rectangle.Y, rectangle.Right, rectangle.Bottom);
}
internal AdvancedPath ToAdvancedPath()
{
var path = new AdvancedPath();
foreach (var segment in _segments)
{
switch (segment.Name.ToUpper())
{
case "Z":
path.Close();
break;
case "M":
if (segment.Points.Count == 1)
{
path.MoveTo(segment.Points[0].ToPointF());
}
break;
case "L":
if (segment.Points.Count == 1)
{
path.LineTo(segment.Points[0].ToPointF());
}
break;
case "Q":
if (segment.Points.Count == 2)
{
path.CurveTo(segment.Points[0].ToPointF(), segment.Points[1].ToPointF());
}
break;
case "C":
if (segment.Points.Count == 3)
{
path.CurveTo(segment.Points[0].ToPointF(), segment.Points[1].ToPointF(), segment.Points[2].ToPointF());
}
break;
}
}
return(path);
}
internal override void Draw(Graphics graphics, IImageParams destImageParams, ColorManagement colorManagement)
{
var bounds = Bounds;
if (bounds.Width <= 0 || bounds.Height <= 0)
{
return;
}
FillShape(graphics, destImageParams, colorManagement);
if (!IsStubOrEmptyContent)
{
using (var clippingPath = GetClippingPath(graphics.DpiX))
{
var globalClippingPath = graphics.ClippingPaths.FirstOrDefault();
if (globalClippingPath != null)
{
graphics.ClippingPaths.Remove(globalClippingPath);
using (var intersectedClippingPath = AdvancedPath.Intersect(clippingPath, globalClippingPath))
{
graphics.ClippingPaths.Add(intersectedClippingPath);
Content.Draw(graphics, destImageParams, colorManagement);
graphics.ClippingPaths.Remove(intersectedClippingPath);
}
graphics.ClippingPaths.Add(globalClippingPath);
}
else
{
graphics.ClippingPaths.Add(clippingPath);
Content.Draw(graphics, destImageParams, colorManagement);
graphics.ClippingPaths.Remove(clippingPath);
}
}
}
StrokeShape(graphics, destImageParams, colorManagement);
}
protected Path GetWrappingPath(float dpi = 72)
{
var rectangle = Rectangle;
var path = new Path();
foreach (var r in WrappingRectangles.Where(r => !r.IsEmpty && rectangle.IntersectsWith(r)))
{
var rectToWrap = r.Clone();
rectToWrap.Width += WrappingMargin * 2;
rectToWrap.Height += WrappingMargin * 2;
path.DrawPath(rectToWrap.GetPath());
}
if (path.Points.Count > 0)
{
using (var matrix = new Matrix())
{
if (!Utils.EqualsOfFloatNumbers(Angle, 0))
{
matrix.RotateAt(-(float)Angle, rectangle.Center.ToPointF());
}
if (!Utils.EqualsOfFloatNumbers(1, HorizontalScale) || !Utils.EqualsOfFloatNumbers(1, VerticalScale))
{
matrix.Scale(1 / HorizontalScale, 1 / VerticalScale, MatrixOrder.Append);
}
if (!Utils.EqualsOfFloatNumbers(dpi, 72))
{
matrix.Scale(dpi / 72, dpi / 72, MatrixOrder.Append);
}
path.ApplyTransform(matrix);
}
}
return(path);
}
public void RenderLayers(PipelineElement writer,
IEnumerable <Layer> layers,
SizeF workspace,
float dpi = 300f,
ColorSpace colorSpace = ColorSpace.Rgb,
Color backgroundColor = null,
bool isPreview = false,
SizeF document = new SizeF(),
ColorManagement colorManagement = null,
float?targetDpi = null
)
{
if (workspace.Width <= 0 || workspace.Height <= 0)
{
throw new ArgumentException(null, "workspace");
}
if (dpi <= 0)
{
throw new ArgumentOutOfRangeException("dpi", dpi, Exceptions.DpiOutOfRange);
}
colorSpace = colorSpace == ColorSpace.Unknown ? ColorSpace.Rgb : colorSpace;
if (colorSpace != ColorSpace.Cmyk && colorSpace != ColorSpace.Grayscale && colorSpace != ColorSpace.Rgb)
{
throw new ArgumentException(null, "colorSpace");
}
// Turn on proofing if (colorManagement != null && isPreview)
var initialTargetColorSpace = colorManagement != null ? colorManagement.TargetColorSpace : null;
if (colorManagement != null)
{
colorManagement.TargetColorSpace = isPreview ? new ColorSpace?(colorSpace) : null;
colorSpace = isPreview ? ColorSpace.Rgb : colorSpace;
}
backgroundColor = backgroundColor ?? ColorManagement.GetWhiteColor(colorSpace);
var format = ColorManagement.GetPixelFormat(colorSpace);
var profile = ColorManagement.GetProfile(colorManagement, colorSpace, isPreview);
var pixelSize = new Size(
Common.ConvertPointsToPixels(dpi, workspace.Width),
Common.ConvertPointsToPixels(dpi, workspace.Height));
var pdfWriter = writer as PdfWriter;
if (pdfWriter != null)
{
var docWidth = pixelSize.Width;
var docHeight = pixelSize.Height;
var scale = 1f;
var offset = PointF.Empty;
if (!document.IsEmpty)
{
docWidth = Common.ConvertPointsToPixels(dpi, document.Width);
docHeight = Common.ConvertPointsToPixels(dpi, document.Height);
var scaleX = docWidth / (float)pixelSize.Width;
var scaleY = docHeight / (float)pixelSize.Height;
scale = System.Math.Min(scaleX, scaleY);
if (Utils.EqualsOfFloatNumbers(scaleX, scaleY, 0.001f))
{
scale = (float)System.Math.Round(scale, 2);
docWidth = Common.ConvertPointsToPixels(dpi, workspace.Width * scale);
docHeight = Common.ConvertPointsToPixels(dpi, workspace.Height * scale);
}
else
{
offset.X = (docWidth - pixelSize.Width * scale) / 2f;
offset.Y = (docHeight - pixelSize.Height * scale) / 2f;
}
}
pdfWriter.AddPage(docWidth, docHeight, dpi, dpi, backgroundColor, profile);
using (var graphics = pdfWriter.GetGraphics())
{
var path = new Path();
path.DrawRectangle(0, 0, pixelSize.Width, pixelSize.Height);
graphics.Transform.Scale(scale, scale, MatrixOrder.Append);
graphics.Transform.Translate(offset.X, offset.Y, MatrixOrder.Append);
graphics.ClippingPaths.Add(path);
var vObjects = GetVObjects(layers, workspace).ToArray();
using (var imageParams = new ImageGenerator(pixelSize, format, backgroundColor)
{
DpiX = dpi, DpiY = dpi, ColorProfile = profile
})
{
if (colorManagement != null)
{
colorManagement.InitColorMap(from v in vObjects from c in v.GetColors() select c, imageParams);
}
DrawVObjects(vObjects, graphics, imageParams, colorManagement);
}
graphics.ClippingPaths.Remove(path);
graphics.Transform.Translate(-offset.X, -offset.Y, MatrixOrder.Append);
graphics.Transform.Scale(1 / scale, 1 / scale, MatrixOrder.Append);
}
}
else
{
var vObjectGroups = new List <List <VObject> >();
List <VObject> currentVObjectGroup = null;
List <VObject> currentImageVObjectGroup = null;
var vObjects = GetVObjects(layers, workspace).ToArray();
foreach (var vObject in vObjects)
{
if (vObject is IPipelineExtender)
{
if (currentVObjectGroup != null)
{
vObjectGroups.Add(currentVObjectGroup);
currentVObjectGroup = null;
}
if (currentImageVObjectGroup == null)
{
currentImageVObjectGroup = new List <VObject>();
}
currentImageVObjectGroup.Add(vObject);
}
else
{
if (currentImageVObjectGroup != null)
{
vObjectGroups.Add(currentImageVObjectGroup);
currentImageVObjectGroup = null;
}
if (currentVObjectGroup == null)
{
currentVObjectGroup = new List <VObject>();
}
currentVObjectGroup.Add(vObject);
}
}
if (currentVObjectGroup != null)
{
vObjectGroups.Add(currentVObjectGroup);
}
if (currentImageVObjectGroup != null)
{
vObjectGroups.Add(currentImageVObjectGroup);
}
var pipeline = new Pipeline();
var deps = new List <IDisposable>();
var scale = dpi / targetDpi ?? 1;
try
{
var bitmapGenerator = new ImageGenerator(pixelSize.Width, pixelSize.Height, format, backgroundColor)
{
DpiX = dpi / scale,
DpiY = dpi / scale,
ColorProfile = profile
};
if (colorManagement != null)
{
colorManagement.InitColorMap(from v in vObjects from c in v.GetColors() select c, bitmapGenerator);
}
pipeline.Add(bitmapGenerator);
foreach (var group in vObjectGroups)
{
if (group.Count == 0)
{
break;
}
if (group.FirstOrDefault() is IPipelineExtender)
{
foreach (var vObject in group)
{
IEnumerable <IDisposable> vObjectDeps;
((IPipelineExtender)vObject).ExtendPipeline(pipeline, bitmapGenerator, colorManagement, scale, out vObjectDeps);
deps.AddRange(vObjectDeps);
}
}
else
{
var groupVObjects = group.ToArray();
var drawer = new Drawer();
drawer.Draw += (sender, e) =>
{
if (!Utils.EqualsOfFloatNumbers(scale, 1))
{
e.Graphics.Transform.Scale(scale, scale);
}
DrawVObjects(groupVObjects, e.Graphics, bitmapGenerator, colorManagement);
if (!Utils.EqualsOfFloatNumbers(scale, 1))
{
e.Graphics.Transform.Scale(1 / scale, 1 / scale);
}
};
pipeline.Add(drawer);
}
}
// Check if writer support pixel format with or without alpha.
if (!writer.IsPixelFormatSupported(bitmapGenerator.PixelFormat) &&
writer.IsPixelFormatSupported(PixelFormat.DiscardAlpha(bitmapGenerator.PixelFormat)))
{
pipeline.Add(new RemoveAlpha(backgroundColor));
}
if (!Utils.EqualsOfFloatNumbers(scale, 1))
{
pipeline.Add(new ResolutionModifier(dpi, dpi));
}
pipeline.Add(writer);
pipeline.Run();
}
finally
{
pipeline.Remove(writer);
pipeline.DisposeAllElements();
if (deps != null)
{
foreach (var dep in deps)
{
dep.Dispose();
}
}
if (colorManagement != null)
{
colorManagement.TargetColorSpace = initialTargetColorSpace;
}
}
}
if (colorManagement != null)
{
colorManagement.TargetColorSpace = initialTargetColorSpace;
}
}
