/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect, XStringFormat format)
{
this.gdipPath.AddString(s, family.family, (int)style, (float)emSize, layoutRect.ToRectangleF(), format.RealizeGdiStringFormat());
}
/// <summary>
/// Draws the specified text string.
/// </summary>
public void DrawString(string text, XFont font, XBrush brush, XRect layoutRectangle, XStringFormat format)
{
if (text == null)
throw new ArgumentNullException("text");
if (font == null)
throw new ArgumentNullException("font");
if (brush == null)
throw new ArgumentNullException("brush");
if (format != null && format.LineAlignment == XLineAlignment.BaseLine && layoutRectangle.Height != 0)
throw new InvalidOperationException("DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (text.Length == 0)
return;
if (format == null)
format = XStringFormats.Default;
if (this.drawGraphics)
{
#if GDI
if (this.targetContext == XGraphicTargetContext.GDI)
{
RectangleF rect = layoutRectangle.ToRectangleF();
if (format.LineAlignment == XLineAlignment.BaseLine)
{
double lineSpace = font.GetHeight(this);
int cellSpace = font.FontFamily.GetLineSpacing(font.Style);
int cellAscent = font.FontFamily.GetCellAscent(font.Style);
int cellDescent = font.FontFamily.GetCellDescent(font.Style);
double cyAscent = lineSpace * cellAscent / cellSpace;
cyAscent = lineSpace * font.cellAscent / font.cellSpace;
rect.Offset(0, (float)-cyAscent);
}
this.gfx.DrawString(text, font.RealizeGdiFont(), brush.RealizeGdiBrush(), rect,
format != null ? format.RealizeGdiStringFormat() : null);
}
#endif
#if WPF
if (this.targetContext == XGraphicTargetContext.WPF)
{
#if !SILVERLIGHT
double x = layoutRectangle.X;
double y = layoutRectangle.Y;
double lineSpace = font.GetHeight(this);
double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
bool bold = (font.Style & XFontStyle.Bold) != 0;
bool italic = (font.Style & XFontStyle.Italic) != 0;
bool strikeout = (font.Style & XFontStyle.Strikeout) != 0;
bool underline = (font.Style & XFontStyle.Underline) != 0;
//FormattedText formattedText = new FormattedText(text, new CultureInfo("en-us"), // WPFHACK
// FlowDirection.LeftToRight, font.typeface, font.Size, brush.RealizeWpfBrush());
FormattedText formattedText = FontHelper.CreateFormattedText(text, font.typeface, font.Size, brush.RealizeWpfBrush());
//formattedText.SetTextDecorations(TextDecorations.OverLine);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
x += layoutRectangle.Width / 2;
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
x += layoutRectangle.Width;
formattedText.TextAlignment = TextAlignment.Right;
break;
}
if (PageDirection == XPageDirection.Downwards)
{
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TODO use CapHeight. PDFlib also uses 3/4 of ascent
y += -formattedText.Baseline + (cyAscent * 1 / 3) + layoutRectangle.Height / 2;
//y += -formattedText.Baseline + (font.Size * font.Metrics.CapHeight / font.unitsPerEm / 2) + layoutRectangle.Height / 2;
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent + layoutRectangle.Height;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
}
else
{
// TODOWPF: make unit test
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyDescent;
break;
case XLineAlignment.Center:
// TODO use CapHeight. PDFlib also uses 3/4 of ascent
//y += -(cyAscent * 3 / 4) / 2 + rect.Height / 2;
break;
case XLineAlignment.Far:
//y += -cyAscent + rect.Height;
break;
case XLineAlignment.BaseLine:
// nothing to do
break;
}
}
//if (bold && !descriptor.IsBoldFace)
//{
// // TODO: emulate bold by thicker outline
//}
//if (italic && !descriptor.IsBoldFace)
//{
// // TODO: emulate italic by shearing transformation
//}
if (underline)
{
formattedText.SetTextDecorations(TextDecorations.Underline);
//double underlinePosition = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlinePosition / font.cellSpace;
//double underlineThickness = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlineThickness / font.cellSpace;
//DrawRectangle(null, brush, x, y - underlinePosition, width, underlineThickness);
}
if (strikeout)
{
formattedText.SetTextDecorations(TextDecorations.Strikethrough);
//double strikeoutPosition = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutPosition / font.cellSpace;
//double strikeoutSize = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutSize / font.cellSpace;
//DrawRectangle(null, brush, x, y - strikeoutPosition - strikeoutSize, width, strikeoutSize);
}
//this.dc.DrawText(formattedText, layoutRectangle.Location.ToPoint());
this.dc.DrawText(formattedText, new System.Windows.Point(x, y));
#else
dc.DrawString(this, text, font, brush, layoutRectangle, format);
#endif
}
#endif
}
if (this.renderer != null)
this.renderer.DrawString(text, font, brush, layoutRectangle, format);
}
/// <summary>
/// Adds an elliptical arc to the current figure.
/// </summary>
public void AddArc(XRect rect, double startAngle, double sweepAngle)
{
this.items.Add(new XGraphicsPathItem(XGraphicsPathItemType.Arc, new XPoint(rect.X, rect.Y), new XPoint(rect.Width, rect.Height),
new XPoint(startAngle, sweepAngle)));
this.dirty = true;
this.gdipPath.AddArc(rect.ToRectangleF(), (float)startAngle, (float)sweepAngle);
}
/// <summary>
/// Adds an ellipse to the current path.
/// </summary>
public void AddEllipse(XRect rect)
{
this.items.Add(new XGraphicsPathItem(XGraphicsPathItemType.Ellipse, new XPoint(rect.X, rect.Y), new XPoint(rect.Width, rect.Height)));
this.dirty = true;
this.gdipPath.AddEllipse(rect.ToRectangleF());
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect,
XStringFormat format)
{
if (s == null)
throw new ArgumentNullException("s");
if (family == null)
throw new ArgumentNullException("family");
if (format == null)
format = XStringFormats.Default;
if (format.LineAlignment == XLineAlignment.BaseLine && layoutRect.Height != 0)
throw new InvalidOperationException(
"DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (s.Length == 0)
return;
XFont font = new XFont(family.Name, emSize, style);
#if CORE
DiagnosticsHelper.HandleNotImplemented("XGraphicsPath.AddString");
#endif
#if (GDI || CORE_) && !WPF
//Gfx.DrawString(text, font.Realize_GdiFont(), brush.RealizeGdiBrush(), rect,
// format != null ? format.RealizeGdiStringFormat() : null);
if (family.GdiFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
RectangleF rect = layoutRect.ToRectangleF();
rect.Offset(new PointF(0, SimulateBaselineOffset(family, style, emSize, format)));
try
{
Lock.EnterGdiPlus();
_gdipPath.AddString(s, family.GdiFamily, (int)style, (float)emSize, rect, format.RealizeGdiStringFormat());
}
finally { Lock.ExitGdiPlus(); }
#endif
#if WPF && !GDI
if (family.WpfFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
#if !SILVERLIGHT
// Just a first sketch, but currently we do not need it and there is enough to do...
double x = layoutRect.X;
double y = layoutRect.Y;
//double lineSpace = font.GetHeight(this);
//double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
//double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
//double cyAscent = family.GetCellAscent(style) * family.GetLineSpacing(style) / family.getl; //fontlineSpace * font.cellAscent / font.cellSpace;
//double cyDescent =family.GetCellDescent(style); // lineSpace * font.cellDescent / font.cellSpace;
double lineSpace = font.GetHeight();
double cyAscent = lineSpace * font.CellAscent / font.CellSpace;
double cyDescent = lineSpace * font.CellDescent / font.CellSpace;
bool bold = (style & XFontStyle.Bold) != 0;
bool italic = (style & XFontStyle.Italic) != 0;
bool strikeout = (style & XFontStyle.Strikeout) != 0;
bool underline = (style & XFontStyle.Underline) != 0;
Typeface typeface = FontHelper.CreateTypeface(family.WpfFamily, style);
//FormattedText formattedText = new FormattedText(s, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, emSize, WpfBrushes.Black);
FormattedText formattedText = FontHelper.CreateFormattedText(s, typeface, emSize, WpfBrushes.Black);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
x += layoutRect.Width / 2;
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
x += layoutRect.Width;
formattedText.TextAlignment = TextAlignment.Right;
break;
}
//if (PageDirection == XPageDirection.Downwards)
//{
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TO/DO use CapHeight. PDFlib also uses 3/4 of ascent
//y += -formattedText.Baseline + (cyAscent * 2 / 4) + layoutRect.Height / 2;
// GDI seems to make it this simple:
// TODO: Check WPF's vertical alignment and make all implementations fit. $MaOs
y += layoutRect.Height / 2 - lineSpace / 2;
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent + layoutRect.Height;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
//}
//else
//{
// // TODOWPF
// switch (format.LineAlignment)
// {
// case XLineAlignment.Near:
// //y += cyDescent;
// break;
// case XLineAlignment.Center:
// // TODO use CapHeight. PDFlib also uses 3/4 of ascent
// //y += -(cyAscent * 3 / 4) / 2 + rect.Height / 2;
// break;
// case XLineAlignment.Far:
// //y += -cyAscent + rect.Height;
// break;
// case XLineAlignment.BaseLine:
// // nothing to do
// break;
// }
//}
//if (bold && !descriptor.IsBoldFace)
//{
// // TODO: emulate bold by thicker outline
//}
//if (italic && !descriptor.IsItalicFace)
//{
// // TODO: emulate italic by shearing transformation
//}
if (underline)
{
//double underlinePosition = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlinePosition / font.cellSpace;
//double underlineThickness = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlineThickness / font.cellSpace;
//DrawRectangle(null, brush, x, y - underlinePosition, width, underlineThickness);
}
if (strikeout)
{
//double strikeoutPosition = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutPosition / font.cellSpace;
//double strikeoutSize = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutSize / font.cellSpace;
//DrawRectangle(null, brush, x, y - strikeoutPosition - strikeoutSize, width, strikeoutSize);
}
//dc.DrawText(formattedText, layoutRectangle.Location.ToPoint());
//dc.DrawText(formattedText, new SysPoint(x, y));
Geometry geo = formattedText.BuildGeometry(new Point(x, y));
_pathGeometry.AddGeometry(geo);
#else
// AG-HACK
throw new InvalidOperationException("Silverlight cannot create geometry of glyphs.");
// TODO: no, yagni
#endif
#endif
}
/// <summary>
/// Draws the specified text string.
/// </summary>
public void DrawString(string s, XFont font, XBrush brush, XRect layoutRectangle, XStringFormat format)
{
if (s == null)
throw new ArgumentNullException("s");
if (font == null)
throw new ArgumentNullException("font");
if (brush == null)
throw new ArgumentNullException("brush");
if (format.LineAlignment == XLineAlignment.BaseLine && layoutRectangle.Height != 0)
throw new InvalidOperationException("DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (s.Length == 0)
return;
if (format == null)
format = XStringFormat.Default;
if (this.drawGraphics)
{
RectangleF rect = layoutRectangle.ToRectangleF();
if (format.LineAlignment == XLineAlignment.BaseLine)
{
// TODO optimze
double lineSpace = font.GetHeight(this);
int cellSpace = font.FontFamily.GetLineSpacing(font.Style);
int cellAscent = font.FontFamily.GetCellAscent(font.Style);
int cellDescent = font.FontFamily.GetCellDescent(font.Style);
double cyAscent = lineSpace * cellAscent / cellSpace;
cyAscent = lineSpace * font.cellAscent / font.cellSpace;
rect.Offset(0, (float)-cyAscent);
}
this.gfx.DrawString(s, font.RealizeGdiFont(), brush.RealizeGdiBrush(), rect,
format != null ? format.RealizeGdiStringFormat() : null);
}
if (this.renderer != null)
this.renderer.DrawString(s, font, brush, layoutRectangle, format);
}
/// <summary>
/// Adds a rectangle to this path.
/// </summary>
public void AddRectangle(XRect rect)
{
#if GDI
this.gdipPath.AddRectangle(rect.ToRectangleF());
#endif
#if WPF
StartFigure();
PathFigure figure = CurrentPathFigure;
figure.StartPoint = new System.Windows.Point(rect.x, rect.y);
figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y), true));
figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y + rect.height), true));
figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x, rect.y + rect.height), true));
CloseFigure();
#endif
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect, XStringFormat format)
{
if (s == null)
throw new ArgumentNullException("s");
if (family == null)
throw new ArgumentNullException("family");
if (format.LineAlignment == XLineAlignment.BaseLine && layoutRect.Height != 0)
throw new InvalidOperationException("DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (s.Length == 0)
return;
if (format == null)
format = XStringFormats.Default;
XFont font = new XFont(family.Name, emSize, style);
#if GDI && !WPF
RectangleF rc = layoutRect.ToRectangleF();
if (format.LineAlignment == XLineAlignment.BaseLine)
{
double lineSpace = font.GetHeight();
int cellSpace = font.FontFamily.GetLineSpacing(font.Style);
int cellAscent = font.FontFamily.GetCellAscent(font.Style);
int cellDescent = font.FontFamily.GetCellDescent(font.Style);
double cyAscent = lineSpace * cellAscent / cellSpace;
cyAscent = lineSpace * font.cellAscent / font.cellSpace;
rc.Offset(0, (float)-cyAscent);
}
//this.gfx.DrawString(text, font.RealizeGdiFont(), brush.RealizeGdiBrush(), rect,
// format != null ? format.RealizeGdiStringFormat() : null);
this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, rc, format.RealizeGdiStringFormat());
#endif
#if WPF && !GDI
// Just a first sketch, but currently we do not need it and there is enough to do...
double x = layoutRect.X;
double y = layoutRect.Y;
//double lineSpace = font.GetHeight(this);
//double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
//double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
//double cyAscent = family.GetCellAscent(style) * family.GetLineSpacing(style) / family.getl; //fontlineSpace * font.cellAscent / font.cellSpace;
//double cyDescent =family.GetCellDescent(style); // lineSpace * font.cellDescent / font.cellSpace;
double lineSpace = font.GetHeight();
double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
bool bold = (style & XFontStyle.Bold) != 0;
bool italic = (style & XFontStyle.Italic) != 0;
bool strikeout = (style & XFontStyle.Strikeout) != 0;
bool underline = (style & XFontStyle.Underline) != 0;
Typeface typeface = FontHelper.CreateTypeface(family, style);
FormattedText formattedText = new FormattedText(s, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, emSize,
System.Windows.Media.Brushes.Black);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
x += layoutRect.Width / 2;
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
x += layoutRect.Width;
formattedText.TextAlignment = TextAlignment.Right;
break;
}
//if (PageDirection == XPageDirection.Downwards)
//{
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TODO use CapHeight. PDFlib also uses 3/4 of ascent
y += -formattedText.Baseline + (cyAscent * 2 / 4) + layoutRect.Height / 2;
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent + layoutRect.Height;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
//}
//else
//{
// // TODOWPF
// switch (format.LineAlignment)
// {
// case XLineAlignment.Near:
// //y += cyDescent;
// break;
// case XLineAlignment.Center:
// // TODO use CapHeight. PDFlib also uses 3/4 of ascent
// //y += -(cyAscent * 3 / 4) / 2 + rect.Height / 2;
// break;
// case XLineAlignment.Far:
// //y += -cyAscent + rect.Height;
// break;
// case XLineAlignment.BaseLine:
// // nothing to do
// break;
// }
//}
//if (bold && !descriptor.IsBoldFace)
//{
// // TODO: emulate bold by thicker outline
//}
//if (italic && !descriptor.IsBoldFace)
//{
// // TODO: emulate italic by shearing transformation
//}
if (underline)
{
//double underlinePosition = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlinePosition / font.cellSpace;
//double underlineThickness = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlineThickness / font.cellSpace;
//DrawRectangle(null, brush, x, y - underlinePosition, width, underlineThickness);
}
if (strikeout)
{
//double strikeoutPosition = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutPosition / font.cellSpace;
//double strikeoutSize = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutSize / font.cellSpace;
//DrawRectangle(null, brush, x, y - strikeoutPosition - strikeoutSize, width, strikeoutSize);
}
//this.dc.DrawText(formattedText, layoutRectangle.Location.ToPoint());
//this.dc.DrawText(formattedText, new System.Windows.Point(x, y));
Geometry geo = formattedText.BuildGeometry(new Point(x, y));
this.pathGeometry.AddGeometry(geo);
#endif
}
/// <summary>
/// Adds a rectangle to this path.
/// </summary>
public void AddRectangle(XRect rect)
{
#if GDI
this.gdipPath.AddRectangle(rect.ToRectangleF());
#endif
#if WPF
StartFigure();
PathFigure figure = CurrentPathFigure;
figure.StartPoint = new System.Windows.Point(rect.x, rect.y);
// figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y), true));
// figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y + rect.height), true));
// figure.Segments.Add(new LineSegment(new System.Windows.Point(rect.x, rect.y + rect.height), true));
#if !SILVERLIGHT
LineSegment lineSegment1 = new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y), true);
LineSegment lineSegment2 = new LineSegment(new System.Windows.Point(rect.x + rect.width, rect.y + rect.height), true);
LineSegment lineSegment3 = new LineSegment(new System.Windows.Point(rect.x, rect.y + rect.height), true);
#else
LineSegment lineSegment1 = new LineSegment();
lineSegment1.Point = new Point(rect.x + rect.width, rect.y);
LineSegment lineSegment2 = new LineSegment();
lineSegment2.Point = new Point(rect.x + rect.width, rect.y + rect.height);
LineSegment lineSegment3 = new LineSegment();
lineSegment3.Point = new Point(rect.x, rect.y + rect.height);
#endif
figure.Segments.Add(lineSegment1);
figure.Segments.Add(lineSegment2);
figure.Segments.Add(lineSegment3);
CloseFigure();
#endif
}
