void IDrawingCanvas.IntersectClip(RectangleF rect)
{
if (_clipBounds.Width == 0 || _clipBounds.Height == 0)
{
_clipBounds = rect;
}
else
{
_clipBounds = RectangleF.Intersect(_clipBounds, rect);
}
_graphics.IntersectClip(PdfConverter.Convert(rect));
}
void IDrawingCanvas.DrawString(string value, FontInfo font, BrushEx brush, RectangleF rect, StringFormatEx format)
{
if (string.IsNullOrEmpty(value))
{
return;
}
XGraphicsContainer clipState = _graphics.BeginContainer();
var xRect = PdfConverter.Convert(rect);
var xFont = _fonts.GetPdfFont(font);
_graphics.IntersectClip(xRect);
var resultRect = _graphics.MeasureString(value, xFont, GetFormat(format));
if ((format.WrapMode == WrapMode.NoWrap && !value.Contains('\n')) ||
(resultRect.Width * PdfConverter.TwipsPerPoint <= rect.Width))
{
_graphics.DrawString(value, xFont, (BrushBase)brush, xRect, GetFormat(format));
_graphics.EndContainer(clipState);
return;
}
if (format.WrapMode == WrapMode.NoWrap && value.Contains('\n'))
{
var lines = value.Split('\n');
var y = xRect.Y;
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i].Trim('\r');
_graphics.DrawString(line, xFont, (BrushBase)brush, new XRect(xRect.X, y, xRect.Width, resultRect.Height), GetFormat(format));
y += resultRect.Height;
}
_graphics.EndContainer(clipState);
return;
}
// http://developer.th-soft.com/developer/2015/07/17/pdfsharp-improving-the-xtextformatter-class-measuring-the-height-of-the-text/
// http://developer.th-soft.com/developer/2015/09/21/xtextformatter-revisited-xtextformatterex2-for-pdfsharp-1-50-beta-2/
var tf = new XTextFormatter(_graphics)
{
Alignment = GetAlignment(format)
};
tf.DrawString(value, xFont, (BrushBase)brush, xRect);
_graphics.EndContainer(clipState);
}
public static XGraphicsPath GetPath(PathEx pathEx)
{
var path = new XGraphicsPath();
path.FillMode = (XFillMode)Enum.Parse(typeof(XFillMode), pathEx.FillMode.ToString());
path.StartFigure();
var start = new XPoint();
foreach (var segment in pathEx.Segments)
{
switch (segment.Type)
{
case PathEx.SegmentType.MoveTo:
start = PdfConverter.Convert(segment.Point1.ToPoint());
break;
case PathEx.SegmentType.LineTo:
var end = PdfConverter.Convert(segment.Point1.ToPoint());
path.AddLine(start, end);
start = end;
break;
case PathEx.SegmentType.BezierTo:
var p1 = PdfConverter.Convert(segment.Point1.ToPoint());
var p2 = PdfConverter.Convert(segment.Point2.ToPoint());
var bEnd = PdfConverter.Convert(segment.Point3.ToPoint());
path.AddBezier(start, p1, p2, bEnd);
start = bEnd;
break;
case PathEx.SegmentType.FigureEnd:
if (segment.Closed)
{
path.CloseFigure();
}
break;
}
}
return(path);
}
void IDrawingCanvas.DrawLine(PenEx pen, PointF from, PointF to)
{
_graphics.DrawLine((Pen)pen, PdfConverter.Convert(from), PdfConverter.Convert(to));
}
void IDrawingCanvas.DrawImage(ImageEx image, float x, float y, float width, float height, float opacity)
{
_graphics.DrawImage((Image)image, PdfConverter.Convert(new RectangleF(x, y, width, height)));
}
void IDrawingCanvas.DrawLines(PenEx pen, PointF[] polyLine)
{
_graphics.DrawLines((Pen)pen, polyLine.Select(p => PdfConverter.Convert(p)).ToArray());
}
void IDrawingCanvas.FillPolygon(BrushEx brush, PointF[] polygon)
{
_graphics.DrawPolygon((BrushBase)brush, polygon.Select(p => PdfConverter.Convert(p)).ToArray(), XFillMode.Winding);
}
void IDrawingCanvas.DrawPolygon(PenEx pen, PointF[] points)
{
_graphics.DrawPolygon((Pen)pen, points.Select(p => PdfConverter.Convert(p)).ToArray());
}
void IDrawingCanvas.FillEllipse(BrushEx brush, RectangleF rect)
{
_graphics.DrawEllipse((BrushBase)brush, PdfConverter.Convert(rect));
}
void IDrawingCanvas.DrawEllipse(PenEx pen, RectangleF rect)
{
_graphics.DrawEllipse((Pen)pen, PdfConverter.Convert(rect));
}
void IGenerator.UrlGoTo(string link, int sourcePage, RectangleF sourceArea)
{
_document.Pages[sourcePage - 1].AddWebLink(new PdfRectangle(PdfConverter.Convert(sourceArea)), link);
}
public LinearGradientBrush(PointF point1, PointF point2, Color color1, Color color2)
{
_brushInfo = new XLinearGradientBrush(PdfConverter.Convert(point1), PdfConverter.Convert(point2), XColor.FromArgb(color1.ToArgb()), XColor.FromArgb(color2.ToArgb()));
}
