private void DrawTextRun(SvgTextContentElement element, ref Point ctp,
WpfTextRun textRun, double rotate, WpfTextPlacement placement)
{
if (textRun == null || textRun.IsEmpty)
return;
string text = textRun.Text;
double emSize = GetComputedFontSize(element);
FontFamily fontFamily = GetTextFontFamily(element, emSize);
FontStyle fontStyle = GetTextFontStyle(element);
FontWeight fontWeight = GetTextFontWeight(element);
FontStretch fontStretch = GetTextFontStretch(element);
WpfTextStringFormat stringFormat = GetTextStringFormat(element);
// Fix the use of Postscript fonts...
WpfFontFamilyVisitor fontFamilyVisitor = _drawContext.FontFamilyVisitor;
if (!String.IsNullOrEmpty(_actualFontName) && fontFamilyVisitor != null)
{
WpfFontFamilyInfo currentFamily = new WpfFontFamilyInfo(fontFamily, fontWeight,
fontStyle, fontStretch);
WpfFontFamilyInfo familyInfo = fontFamilyVisitor.Visit(_actualFontName,
currentFamily, _drawContext);
if (familyInfo != null && !familyInfo.IsEmpty)
{
fontFamily = familyInfo.Family;
fontWeight = familyInfo.Weight;
fontStyle = familyInfo.Style;
fontStretch = familyInfo.Stretch;
}
}
WpfSvgPaint fillPaint = new WpfSvgPaint(_drawContext, element, "fill");
Brush textBrush = fillPaint.GetBrush();
WpfSvgPaint strokePaint = new WpfSvgPaint(_drawContext, element, "stroke");
Pen textPen = strokePaint.GetPen();
if (textBrush == null && textPen == null)
{
return;
}
else if (textBrush == null)
{
// If here, then the pen is not null, and so the fill cannot be null.
// We set this to transparent for stroke only text path...
textBrush = Brushes.Transparent;
}
TextDecorationCollection textDecors = GetTextDecoration(element);
TextAlignment alignment = stringFormat.Alignment;
string letterSpacing = element.GetAttribute("letter-spacing");
if (String.IsNullOrEmpty(letterSpacing))
{
FormattedText formattedText = new FormattedText(text,
textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
stringFormat.Direction, new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
emSize, textBrush);
formattedText.TextAlignment = stringFormat.Alignment;
formattedText.Trimming = stringFormat.Trimming;
if (textDecors != null && textDecors.Count != 0)
{
formattedText.SetTextDecorations(textDecors);
}
//float xCorrection = 0;
//if (alignment == TextAlignment.Left)
// xCorrection = emSize * 1f / 6f;
//else if (alignment == TextAlignment.Right)
// xCorrection = -emSize * 1f / 6f;
double yCorrection = formattedText.Baseline;
Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
_textContext.PushTransform(rotateAt);
_textContext.DrawText(formattedText, textPoint);
//float bboxWidth = (float)formattedText.Width;
double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
if (alignment == TextAlignment.Center)
bboxWidth /= 2f;
else if (alignment == TextAlignment.Right)
bboxWidth = 0;
//ctp.X += bboxWidth + emSize / 4;
ctp.X += bboxWidth;
if (rotateAt != null)
{
_textContext.Pop();
}
}
else
{
RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
_textContext.PushTransform(rotateAt);
float spacing = Convert.ToSingle(letterSpacing);
for (int i = 0; i < text.Length; i++)
{
FormattedText formattedText = new FormattedText(new string(text[i], 1),
textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
stringFormat.Direction,
new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
emSize, textBrush);
formattedText.Trimming = stringFormat.Trimming;
formattedText.TextAlignment = stringFormat.Alignment;
if (textDecors != null && textDecors.Count != 0)
{
formattedText.SetTextDecorations(textDecors);
}
//float xCorrection = 0;
//if (alignment == TextAlignment.Left)
// xCorrection = emSize * 1f / 6f;
//else if (alignment == TextAlignment.Right)
// xCorrection = -emSize * 1f / 6f;
double yCorrection = formattedText.Baseline;
Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
_textContext.DrawText(formattedText, textPoint);
//float bboxWidth = (float)formattedText.Width;
double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
if (alignment == TextAlignment.Center)
bboxWidth /= 2f;
else if (alignment == TextAlignment.Right)
bboxWidth = 0;
//ctp.X += bboxWidth + emSize / 4 + spacing;
ctp.X += bboxWidth + spacing;
}
if (rotateAt != null)
{
_textContext.Pop();
}
}
}
public abstract WpfFontFamilyInfo Visit(string fontName, WpfFontFamilyInfo familyInfo,
WpfDrawingContext context);
public override void RenderTextRun(SvgTextContentElement element, ref Point ctp,
string text, double rotate, WpfTextPlacement placement)
{
if (String.IsNullOrEmpty(text))
return;
double emSize = GetComputedFontSize(element);
FontFamily fontFamily = GetTextFontFamily(element, emSize);
FontStyle fontStyle = GetTextFontStyle(element);
FontWeight fontWeight = GetTextFontWeight(element);
FontStretch fontStretch = GetTextFontStretch(element);
WpfTextStringFormat stringFormat = GetTextStringFormat(element);
// Fix the use of Postscript fonts...
WpfFontFamilyVisitor fontFamilyVisitor = _drawContext.FontFamilyVisitor;
if (!String.IsNullOrEmpty(_actualFontName) && fontFamilyVisitor != null)
{
WpfFontFamilyInfo currentFamily = new WpfFontFamilyInfo(fontFamily, fontWeight,
fontStyle, fontStretch);
WpfFontFamilyInfo familyInfo = fontFamilyVisitor.Visit(_actualFontName,
currentFamily,_drawContext);
if (familyInfo != null && !familyInfo.IsEmpty)
{
fontFamily = familyInfo.Family;
fontWeight = familyInfo.Weight;
fontStyle = familyInfo.Style;
fontStretch = familyInfo.Stretch;
}
}
WpfSvgPaint fillPaint = new WpfSvgPaint(_drawContext, element, "fill");
Brush textBrush = fillPaint.GetBrush();
WpfSvgPaint strokePaint = new WpfSvgPaint(_drawContext, element, "stroke");
Pen textPen = strokePaint.GetPen();
if (textBrush == null && textPen == null)
{
return;
}
else if (textBrush == null)
{
// If here, then the pen is not null, and so the fill cannot be null.
// We set this to transparent for stroke only text path...
textBrush = Brushes.Transparent;
}
TextDecorationCollection textDecors = GetTextDecoration(element);
if (textDecors == null)
{
SvgTextElement textElement = element.ParentNode as SvgTextElement;
if (textElement != null)
{
textDecors = GetTextDecoration(textElement);
}
}
TextAlignment alignment = stringFormat.Alignment;
bool hasWordSpacing = false;
string wordSpaceText = element.GetAttribute("word-spacing");
double wordSpacing = 0;
if (!String.IsNullOrEmpty(wordSpaceText) &&
Double.TryParse(wordSpaceText, out wordSpacing) && (float)wordSpacing != 0)
{
hasWordSpacing = true;
}
bool hasLetterSpacing = false;
string letterSpaceText = element.GetAttribute("letter-spacing");
double letterSpacing = 0;
if (!String.IsNullOrEmpty(letterSpaceText) &&
Double.TryParse(letterSpaceText, out letterSpacing) && (float)letterSpacing != 0)
{
hasLetterSpacing = true;
}
bool isRotatePosOnly = false;
IList<WpfTextPosition> textPositions = null;
int textPosCount = 0;
if ((placement != null && placement.HasPositions))
{
textPositions = placement.Positions;
textPosCount = textPositions.Count;
isRotatePosOnly = placement.IsRotateOnly;
}
if (hasLetterSpacing || hasWordSpacing || textPositions != null)
{
double spacing = Convert.ToDouble(letterSpacing);
for (int i = 0; i < text.Length; i++)
{
FormattedText formattedText = new FormattedText(new string(text[i], 1),
_drawContext.CultureInfo, stringFormat.Direction,
new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
emSize, textBrush);
if (this.IsMeasuring)
{
this.AddTextWidth(formattedText.WidthIncludingTrailingWhitespace);
continue;
}
formattedText.Trimming = stringFormat.Trimming;
formattedText.TextAlignment = stringFormat.Alignment;
if (textDecors != null && textDecors.Count != 0)
{
formattedText.SetTextDecorations(textDecors);
}
WpfTextPosition? textPosition = null;
if (textPositions != null && i < textPosCount)
{
textPosition = textPositions[i];
}
//float xCorrection = 0;
//if (alignment == TextAlignment.Left)
// xCorrection = emSize * 1f / 6f;
//else if (alignment == TextAlignment.Right)
// xCorrection = -emSize * 1f / 6f;
double yCorrection = formattedText.Baseline;
float rotateAngle = (float)rotate;
if (textPosition != null)
{
if (!isRotatePosOnly)
{
Point pt = textPosition.Value.Location;
ctp.X = pt.X;
ctp.Y = pt.Y;
}
rotateAngle = (float)textPosition.Value.Rotation;
}
Point textStart = ctp;
RotateTransform rotateAt = null;
if (rotateAngle != 0)
{
rotateAt = new RotateTransform(rotateAngle, textStart.X, textStart.Y);
_textContext.PushTransform(rotateAt);
}
Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
if (textPen != null || _drawContext.TextAsGeometry)
{
Geometry textGeometry = formattedText.BuildGeometry(textPoint);
if (textGeometry != null && !textGeometry.IsEmpty())
{
_textContext.DrawGeometry(textBrush, textPen,
ExtractTextPathGeometry(textGeometry));
this.IsTextPath = true;
}
else
{
_textContext.DrawText(formattedText, textPoint);
}
}
else
{
_textContext.DrawText(formattedText, textPoint);
}
//float bboxWidth = (float)formattedText.Width;
double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
if (alignment == TextAlignment.Center)
bboxWidth /= 2f;
else if (alignment == TextAlignment.Right)
bboxWidth = 0;
//ctp.X += bboxWidth + emSize / 4 + spacing;
if (hasLetterSpacing)
{
ctp.X += bboxWidth + letterSpacing;
}
if (hasWordSpacing && Char.IsWhiteSpace(text[i]))
{
if (hasLetterSpacing)
{
ctp.X += wordSpacing;
}
else
{
ctp.X += bboxWidth + wordSpacing;
}
}
else
{
if (!hasLetterSpacing)
{
ctp.X += bboxWidth;
}
}
if (rotateAt != null)
{
_textContext.Pop();
}
}
}
else
{
FormattedText formattedText = new FormattedText(text, _drawContext.CultureInfo,
stringFormat.Direction, new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
emSize, textBrush);
if (this.IsMeasuring)
{
this.AddTextWidth(formattedText.WidthIncludingTrailingWhitespace);
return;
}
if (alignment == TextAlignment.Center && this.TextWidth > 0)
{
alignment = TextAlignment.Left;
}
formattedText.TextAlignment = alignment;
formattedText.Trimming = stringFormat.Trimming;
if (textDecors != null && textDecors.Count != 0)
{
formattedText.SetTextDecorations(textDecors);
}
//float xCorrection = 0;
//if (alignment == TextAlignment.Left)
// xCorrection = emSize * 1f / 6f;
//else if (alignment == TextAlignment.Right)
// xCorrection = -emSize * 1f / 6f;
double yCorrection = formattedText.Baseline;
float rotateAngle = (float)rotate;
Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
RotateTransform rotateAt = null;
if (rotateAngle != 0)
{
rotateAt = new RotateTransform(rotateAngle, ctp.X, ctp.Y);
_textContext.PushTransform(rotateAt);
}
if (textPen != null || _drawContext.TextAsGeometry)
{
Geometry textGeometry = formattedText.BuildGeometry(textPoint);
if (textGeometry != null && !textGeometry.IsEmpty())
{
_textContext.DrawGeometry(textBrush, textPen,
ExtractTextPathGeometry(textGeometry));
this.IsTextPath = true;
}
else
{
_textContext.DrawText(formattedText, textPoint);
}
}
else
{
_textContext.DrawText(formattedText, textPoint);
}
//float bboxWidth = (float)formattedText.Width;
double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
if (alignment == TextAlignment.Center)
bboxWidth /= 2f;
else if (alignment == TextAlignment.Right)
bboxWidth = 0;
//ctp.X += bboxWidth + emSize / 4;
ctp.X += bboxWidth;
if (rotateAt != null)
{
_textContext.Pop();
}
}
}
public override WpfFontFamilyInfo Visit(string fontName, WpfFontFamilyInfo familyInfo,
WpfDrawingContext context)
{
if (String.IsNullOrEmpty(fontName))
{
return null;
}
if (fontName.StartsWith("Arial", StringComparison.OrdinalIgnoreCase) &&
fontName.Length > 5)
{
if (String.Equals(fontName, "ArialMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Arial-BoldMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Arial-ItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
FontStyles.Italic, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Arial-BoldItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
FontStyles.Italic, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Arial Unicode MS",
StringComparison.OrdinalIgnoreCase))
{
return null;
}
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.StartsWith("Helvetica", StringComparison.OrdinalIgnoreCase))
{
if (String.Equals(fontName, "Helvetica", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Helvetica-Bold",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Helvetica-Oblique",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
FontStyles.Italic, familyInfo.Stretch);
}
else if (String.Equals(fontName, "Helvetica-BoldOblique",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
FontStyles.Italic, familyInfo.Stretch);
}
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.StartsWith("TimesNewRomanPS", StringComparison.OrdinalIgnoreCase))
{
if (String.Equals(fontName, "TimesNewRomanPSMT", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "TimesNewRomanPS-BoldMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "TimesNewRomanPS-ItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
FontStyles.Italic, familyInfo.Stretch);
}
else if (String.Equals(fontName, "TimesNewRomanPS-BoldItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
FontStyles.Italic, familyInfo.Stretch);
}
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.StartsWith("CourierNewPS", StringComparison.OrdinalIgnoreCase))
{
if (String.Equals(fontName, "CourierNewPSMT", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "CourierNewPS-BoldMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
familyInfo.Style, familyInfo.Stretch);
}
else if (String.Equals(fontName, "CourierNewPS-ItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
FontStyles.Italic, familyInfo.Stretch);
}
else if (String.Equals(fontName, "CourierNewPS-BoldItalicMT",
StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(_arialFamily, FontWeights.Bold,
FontStyles.Italic, familyInfo.Stretch);
}
return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.Equals("MS-Gothic", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(new FontFamily("MS Gothic"), familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
//return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
// familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.Equals("MS-PGothic", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(new FontFamily("MS PGothic"), familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
else if (fontName.Equals("MS Pゴシック", StringComparison.OrdinalIgnoreCase))
{
return new WpfFontFamilyInfo(new FontFamily("MS PGothic"), familyInfo.Weight,
familyInfo.Style, familyInfo.Stretch);
}
return null;
//return new WpfFontFamilyInfo(_arialFamily, familyInfo.Weight,
// familyInfo.Style, familyInfo.Stretch);
}
public abstract WpfFontFamilyInfo Visit(string fontName, WpfFontFamilyInfo familyInfo,
WpfDrawingContext context);
private void RenderTextPath(SvgTextContentElement element, WpfTextOnPathDrawing pathDrawing,
string text, Point origin, double rotate, WpfTextPlacement placement)
{
if (String.IsNullOrEmpty(text))
{
return;
}
double emSize = GetComputedFontSize(element);
FontFamily fontFamily = GetTextFontFamily(element, emSize);
FontStyle fontStyle = GetTextFontStyle(element);
FontWeight fontWeight = GetTextFontWeight(element);
FontStretch fontStretch = GetTextFontStretch(element);
WpfTextStringFormat stringFormat = GetTextStringFormat(element);
// Fix the use of Postscript fonts...
WpfFontFamilyVisitor fontFamilyVisitor = _drawContext.FontFamilyVisitor;
if (!String.IsNullOrEmpty(_actualFontName) && fontFamilyVisitor != null)
{
WpfFontFamilyInfo currentFamily = new WpfFontFamilyInfo(fontFamily, fontWeight,
fontStyle, fontStretch);
WpfFontFamilyInfo familyInfo = fontFamilyVisitor.Visit(_actualFontName,
currentFamily, _drawContext);
if (familyInfo != null && !familyInfo.IsEmpty)
{
fontFamily = familyInfo.Family;
fontWeight = familyInfo.Weight;
fontStyle = familyInfo.Style;
fontStretch = familyInfo.Stretch;
}
}
WpfSvgPaint fillPaint = new WpfSvgPaint(_drawContext, element, "fill");
Brush textBrush = fillPaint.GetBrush();
WpfSvgPaint strokePaint = new WpfSvgPaint(_drawContext, element, "stroke");
Pen pen = strokePaint.GetPen();
TextDecorationCollection textDecors = GetTextDecoration(element);
TextAlignment alignment = stringFormat.Alignment;
pathDrawing.FontSize = emSize;
pathDrawing.FontFamily = fontFamily;
pathDrawing.FontWeight = fontWeight;
pathDrawing.FontStretch = fontStretch;
pathDrawing.Foreground = textBrush;
pathDrawing.AddTextPath(text, origin);
}
