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source: branches/HeuristicLab.Problems.GrammaticalOptimization/SharpVectorRenderingWpf/Texts/WpfVertTextRenderer.cs @ 13348

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Last change on this file since 13348 was 12762, checked in by aballeit, 9 years ago
#2283 GUI updates, Tree-chart, MCTS Version 2 (prune leaves)
File size: 32.6 KB

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1	using System;
2	using System.Xml;
3	using System.Linq;
4	using System.Text;
5	using System.ComponentModel;
6	using System.Collections.Generic;
7
8	using System.Windows;
9	using System.Windows.Media;
10
11	using SharpVectors.Dom.Css;
12	using SharpVectors.Dom.Svg;
13
14	using SharpVectors.Renderers.Wpf;
15
16	namespace SharpVectors.Renderers.Texts
17	{
18	public sealed class WpfVertTextRenderer : WpfTextRenderer
19	{
20	#region Private Fields
21
22	#endregion
23
24	#region Constructors and Destructor
25
26	public WpfVertTextRenderer(SvgTextElement textElement, WpfTextRendering textRendering)
27	: base(textElement, textRendering)
28	{
29	}
30
31	#endregion
32
33	#region Public Methods
34
35	#region RenderSingleLineText Method
36
37	public override void RenderSingleLineText(SvgTextContentElement element,
38	ref Point ctp, string text, double rotate, WpfTextPlacement placement)
39	{
40	if (String.IsNullOrEmpty(text))
41	return;
42
43	int vertOrientation = -1;
44	int horzOrientation = -1;
45	string orientationText = element.GetPropertyValue("glyph-orientation-vertical");
46	if (!String.IsNullOrEmpty(orientationText))
47	{
48	double orientationValue = 0;
49	if (Double.TryParse(orientationText, out orientationValue))
50	{
51	vertOrientation = (int)orientationValue;
52	}
53	}
54	orientationText = element.GetPropertyValue("glyph-orientation-horizontal");
55	if (!String.IsNullOrEmpty(orientationText))
56	{
57	double orientationValue = 0;
58	if (Double.TryParse(orientationText, out orientationValue))
59	{
60	horzOrientation = (int)orientationValue;
61	}
62	}
63
64	Point startPoint = ctp;
65	IList<WpfTextRun> textRunList = WpfTextRun.BreakWords(text,
66	vertOrientation, horzOrientation);
67
68	for (int tr = 0; tr < textRunList.Count; tr++)
69	{
70	// For unknown reasons, FormattedText will split a text like "-70%" into two parts "-"
71	// and "70%". We provide a shift to account for the split...
72	double baselineShiftX = 0;
73	double baselineShiftY = 0;
74
75	WpfTextRun textRun = textRunList[tr];
76
77	DrawingGroup verticalGroup = new DrawingGroup();
78
79	DrawingContext verticalContext = verticalGroup.Open();
80	DrawingContext currentContext = _textContext;
81
82	_textContext = verticalContext;
83
84	this.DrawSingleLineText(element, ref ctp, textRun, rotate, placement);
85
86	verticalContext.Close();
87
88	_textContext = currentContext;
89
90	if (verticalGroup.Children.Count == 1)
91	{
92	DrawingGroup textGroup = verticalGroup.Children[0] as DrawingGroup;
93	if (textGroup != null)
94	{
95	verticalGroup = textGroup;
96	}
97	}
98
99	string runText = textRun.Text;
100	int charCount = runText.Length;
101
102	double totalHeight = 0;
103	DrawingCollection drawings = verticalGroup.Children;
104	int itemCount = drawings != null ? drawings.Count : 0;
105	for (int i = 0; i < itemCount; i++)
106	{
107	Drawing textDrawing = drawings[i];
108	DrawingGroup textGroup = textDrawing as DrawingGroup;
109
110	if (vertOrientation == -1)
111	{
112	if (textGroup != null)
113	{
114	for (int j = 0; j < textGroup.Children.Count; j++)
115	{
116	GlyphRunDrawing glyphDrawing = textGroup.Children[j] as GlyphRunDrawing;
117	if (glyphDrawing != null)
118	{
119	if (textRun.IsLatin)
120	{
121	GlyphRun glyphRun = glyphDrawing.GlyphRun;
122
123	IList<UInt16> glyphIndices = glyphRun.GlyphIndices;
124	IDictionary<ushort, double> allGlyphWeights = glyphRun.GlyphTypeface.AdvanceWidths;
125	double lastAdvanceWeight =
126	allGlyphWeights[glyphIndices[glyphIndices.Count - 1]] * glyphRun.FontRenderingEmSize;
127
128	totalHeight += glyphRun.ComputeAlignmentBox().Width + lastAdvanceWeight / 2d;
129	}
130	else
131	{
132	totalHeight += ChangeGlyphOrientation(glyphDrawing,
133	baselineShiftX, baselineShiftY, false);
134	}
135	}
136	}
137	}
138	else
139	{
140	GlyphRunDrawing glyphDrawing = textDrawing as GlyphRunDrawing;
141	if (glyphDrawing != null)
142	{
143	if (textRun.IsLatin)
144	{
145	GlyphRun glyphRun = glyphDrawing.GlyphRun;
146
147	IList<UInt16> glyphIndices = glyphRun.GlyphIndices;
148	IDictionary<ushort, double> allGlyphWeights = glyphRun.GlyphTypeface.AdvanceWidths;
149	double lastAdvanceWeight =
150	allGlyphWeights[glyphIndices[glyphIndices.Count - 1]] * glyphRun.FontRenderingEmSize;
151
152	totalHeight += glyphRun.ComputeAlignmentBox().Width + lastAdvanceWeight / 2d;
153	}
154	else
155	{
156	totalHeight += ChangeGlyphOrientation(glyphDrawing,
157	baselineShiftX, baselineShiftY, false);
158	}
159	}
160	}
161	}
162	else if (vertOrientation == 0)
163	{
164	if (textGroup != null)
165	{
166	for (int j = 0; j < textGroup.Children.Count; j++)
167	{
168	GlyphRunDrawing glyphDrawing = textGroup.Children[j] as GlyphRunDrawing;
169	if (glyphDrawing != null)
170	{
171	baselineShiftX = ChangeGlyphOrientation(glyphDrawing,
172	baselineShiftX, baselineShiftY, textRun.IsLatin);
173	totalHeight += baselineShiftX;
174	}
175	}
176	}
177	else
178	{
179	GlyphRunDrawing glyphDrawing = textDrawing as GlyphRunDrawing;
180	if (textDrawing != null)
181	{
182	totalHeight += ChangeGlyphOrientation(glyphDrawing,
183	baselineShiftX, baselineShiftY, textRun.IsLatin);
184	}
185	}
186	}
187	else
188	{
189	throw new NotImplementedException();
190	}
191	}
192
193	if (!this.IsMeasuring)
194	{
195	_textContext.DrawDrawing(verticalGroup);
196	}
197
198	if (tr < textRunList.Count)
199	{
200	ctp.X = startPoint.X;
201	ctp.Y = startPoint.Y + totalHeight;
202	startPoint.Y += totalHeight;
203	}
204	}
205	}
206
207	#endregion
208
209	#region RenderTextRun Method
210
211	public override void RenderTextRun(SvgTextContentElement element,
212	ref Point ctp, string text, double rotate, WpfTextPlacement placement)
213	{
214	if (String.IsNullOrEmpty(text))
215	return;
216
217	int vertOrientation = -1;
218	int horzOrientation = -1;
219
220	string orientationText = element.GetPropertyValue("glyph-orientation-vertical");
221	if (!String.IsNullOrEmpty(orientationText))
222	{
223	double orientationValue = 0;
224	if (Double.TryParse(orientationText, out orientationValue))
225	{
226	vertOrientation = (int)orientationValue;
227	}
228	}
229	orientationText = element.GetPropertyValue("glyph-orientation-horizontal");
230	if (!String.IsNullOrEmpty(orientationText))
231	{
232	double orientationValue = 0;
233	if (Double.TryParse(orientationText, out orientationValue))
234	{
235	horzOrientation = (int)orientationValue;
236	}
237	}
238
239	Point startPoint = ctp;
240
241	IList<WpfTextRun> textRunList = WpfTextRun.BreakWords(text,
242	vertOrientation, horzOrientation);
243
244	for (int tr = 0; tr < textRunList.Count; tr++)
245	{
246	// For unknown reasons, FormattedText will split a text like "-70%" into two parts "-"
247	// and "70%". We provide a shift to account for the split...
248	double baselineShiftX = 0;
249	double baselineShiftY = 0;
250	WpfTextRun textRun = textRunList[tr];
251
252	if (!textRun.IsLatin)
253	{
254	textRun = textRunList[tr];
255	}
256
257	DrawingGroup verticalGroup = new DrawingGroup();
258
259	DrawingContext verticalContext = verticalGroup.Open();
260	DrawingContext currentContext = _textContext;
261
262	_textContext = verticalContext;
263
264	this.DrawTextRun(element, ref ctp, textRun, rotate, placement);
265
266	verticalContext.Close();
267
268	_textContext = currentContext;
269
270	if (verticalGroup.Children.Count == 1)
271	{
272	DrawingGroup textGroup = verticalGroup.Children[0] as DrawingGroup;
273	if (textGroup != null)
274	{
275	verticalGroup = textGroup;
276	}
277	}
278
279	double totalHeight = 0;
280	DrawingCollection drawings = verticalGroup.Children;
281	int itemCount = drawings != null ? drawings.Count : 0;
282	for (int i = 0; i < itemCount; i++)
283	{
284	Drawing textDrawing = drawings[i];
285	DrawingGroup textGroup = textDrawing as DrawingGroup;
286
287	if (vertOrientation == -1)
288	{
289	if (textGroup != null)
290	{
291	for (int j = 0; j < textGroup.Children.Count; j++)
292	{
293	GlyphRunDrawing glyphDrawing = textGroup.Children[j] as GlyphRunDrawing;
294	if (glyphDrawing != null)
295	{
296	if (textRun.IsLatin)
297	{
298	GlyphRun glyphRun = glyphDrawing.GlyphRun;
299
300	IList<UInt16> glyphIndices = glyphRun.GlyphIndices;
301	IDictionary<ushort, double> allGlyphWeights = glyphRun.GlyphTypeface.AdvanceWidths;
302	double lastAdvanceWeight =
303	allGlyphWeights[glyphIndices[glyphIndices.Count - 1]] * glyphRun.FontRenderingEmSize;
304
305	totalHeight += glyphRun.ComputeAlignmentBox().Width + lastAdvanceWeight / 2d;
306	}
307	else
308	{
309	totalHeight += ChangeGlyphOrientation(glyphDrawing,
310	baselineShiftX, baselineShiftY, false);
311	}
312	}
313	}
314	}
315	else
316	{
317	GlyphRunDrawing glyphDrawing = textDrawing as GlyphRunDrawing;
318	if (glyphDrawing != null)
319	{
320	if (textRun.IsLatin)
321	{
322	GlyphRun glyphRun = glyphDrawing.GlyphRun;
323
324	IList<UInt16> glyphIndices = glyphRun.GlyphIndices;
325	IDictionary<ushort, double> allGlyphWeights = glyphRun.GlyphTypeface.AdvanceWidths;
326	double lastAdvanceWeight =
327	allGlyphWeights[glyphIndices[glyphIndices.Count - 1]] * glyphRun.FontRenderingEmSize;
328
329	totalHeight += glyphRun.ComputeAlignmentBox().Width + lastAdvanceWeight / 2d;
330	}
331	else
332	{
333	totalHeight += ChangeGlyphOrientation(glyphDrawing,
334	baselineShiftX, baselineShiftY, false);
335	}
336	}
337	}
338	}
339	else if (vertOrientation == 0)
340	{
341	if (textGroup != null)
342	{
343	for (int j = 0; j < textGroup.Children.Count; j++)
344	{
345	GlyphRunDrawing glyphDrawing = textGroup.Children[j] as GlyphRunDrawing;
346	if (glyphDrawing != null)
347	{
348	baselineShiftX = ChangeGlyphOrientation(glyphDrawing,
349	baselineShiftX, baselineShiftY, textRun.IsLatin);
350	totalHeight += baselineShiftX;
351	}
352	}
353	}
354	else
355	{
356	GlyphRunDrawing glyphDrawing = textDrawing as GlyphRunDrawing;
357	if (glyphDrawing != null)
358	{
359	totalHeight += ChangeGlyphOrientation(glyphDrawing,
360	baselineShiftX, baselineShiftY, textRun.IsLatin);
361	}
362	}
363	}
364	else
365	{
366	throw new NotImplementedException();
367	}
368	}
369
370	if (!this.IsMeasuring)
371	{
372	_textContext.DrawDrawing(verticalGroup);
373	}
374
375	if (tr < textRunList.Count)
376	{
377	ctp.X = startPoint.X;
378	ctp.Y = startPoint.Y + totalHeight;
379	startPoint.Y += totalHeight;
380	}
381	}
382	}
383
384	#endregion
385
386	#endregion
387
388	#region Private Methods
389
390	#region DrawSingleLineText Method
391
392	private void DrawSingleLineText(SvgTextContentElement element, ref Point ctp,
393	WpfTextRun textRun, double rotate, WpfTextPlacement placement)
394	{
395	if (textRun == null \|\| textRun.IsEmpty)
396	return;
397
398	string text = textRun.Text;
399	double emSize = GetComputedFontSize(element);
400	FontFamily fontFamily = GetTextFontFamily(element, emSize);
401
402	FontStyle fontStyle = GetTextFontStyle(element);
403	FontWeight fontWeight = GetTextFontWeight(element);
404
405	FontStretch fontStretch = GetTextFontStretch(element);
406
407	WpfTextStringFormat stringFormat = GetTextStringFormat(element);
408
409	// Fix the use of Postscript fonts...
410	WpfFontFamilyVisitor fontFamilyVisitor = _drawContext.FontFamilyVisitor;
411	if (!String.IsNullOrEmpty(_actualFontName) && fontFamilyVisitor != null)
412	{
413	WpfFontFamilyInfo currentFamily = new WpfFontFamilyInfo(fontFamily, fontWeight,
414	fontStyle, fontStretch);
415	WpfFontFamilyInfo familyInfo = fontFamilyVisitor.Visit(_actualFontName,
416	currentFamily,_drawContext);
417	if (familyInfo != null && !familyInfo.IsEmpty)
418	{
419	fontFamily = familyInfo.Family;
420	fontWeight = familyInfo.Weight;
421	fontStyle = familyInfo.Style;
422	fontStretch = familyInfo.Stretch;
423	}
424	}
425
426	WpfSvgPaint fillPaint = new WpfSvgPaint(_drawContext, element, "fill");
427	Brush textBrush = fillPaint.GetBrush();
428
429	WpfSvgPaint strokePaint = new WpfSvgPaint(_drawContext, element, "stroke");
430	Pen textPen = strokePaint.GetPen();
431
432	if (textBrush == null && textPen == null)
433	{
434	return;
435	}
436	else if (textBrush == null)
437	{
438	// If here, then the pen is not null, and so the fill cannot be null.
439	// We set this to transparent for stroke only text path...
440	textBrush = Brushes.Transparent;
441	}
442
443	TextDecorationCollection textDecors = GetTextDecoration(element);
444	TextAlignment alignment = stringFormat.Alignment;
445
446	string letterSpacing = element.GetAttribute("letter-spacing");
447	if (String.IsNullOrEmpty(letterSpacing))
448	{
449	FormattedText formattedText = new FormattedText(text,
450	textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
451	stringFormat.Direction, new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
452	emSize, textBrush);
453
454	if (this.IsMeasuring)
455	{
456	this.AddTextWidth(formattedText.WidthIncludingTrailingWhitespace);
457	return;
458	}
459
460	formattedText.TextAlignment = stringFormat.Alignment;
461	formattedText.Trimming = stringFormat.Trimming;
462
463	if (textDecors != null && textDecors.Count != 0)
464	{
465	formattedText.SetTextDecorations(textDecors);
466	}
467
468	//float xCorrection = 0;
469	//if (alignment == TextAlignment.Left)
470	// xCorrection = emSize * 1f / 6f;
471	//else if (alignment == TextAlignment.Right)
472	// xCorrection = -emSize * 1f / 6f;
473
474	double yCorrection = formattedText.Baseline;
475	//float yCorrection = 0;
476
477	if (textRun.IsLatin && textRun.VerticalOrientation == -1)
478	{
479	yCorrection = yCorrection + formattedText.OverhangAfter * 1.5;
480	}
481
482	Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
483
484	RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
485	_textContext.PushTransform(rotateAt);
486
487	_textContext.DrawText(formattedText, textPoint);
488
489	//float bboxWidth = (float)formattedText.Width;
490	double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
491	if (alignment == TextAlignment.Center)
492	bboxWidth /= 2f;
493	else if (alignment == TextAlignment.Right)
494	bboxWidth = 0;
495
496	//ctp.X += bboxWidth + emSize / 4;
497	ctp.X += bboxWidth;
498
499	if (rotateAt != null)
500	{
501	_textContext.Pop();
502	}
503	}
504	else
505	{
506	RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
507	_textContext.PushTransform(rotateAt);
508
509	double spacing = Convert.ToDouble(letterSpacing);
510	for (int i = 0; i < text.Length; i++)
511	{
512	FormattedText formattedText = new FormattedText(new string(text[i], 1),
513	textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
514	stringFormat.Direction,
515	new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
516	emSize, textBrush);
517
518	if (this.IsMeasuring)
519	{
520	this.AddTextWidth(formattedText.WidthIncludingTrailingWhitespace);
521	continue;
522	}
523
524	formattedText.TextAlignment = stringFormat.Alignment;
525	formattedText.Trimming = stringFormat.Trimming;
526
527	if (textDecors != null && textDecors.Count != 0)
528	{
529	formattedText.SetTextDecorations(textDecors);
530	}
531
532	//float xCorrection = 0;
533	//if (alignment == TextAlignment.Left)
534	// xCorrection = emSize * 1f / 6f;
535	//else if (alignment == TextAlignment.Right)
536	// xCorrection = -emSize * 1f / 6f;
537
538	double yCorrection = formattedText.Baseline;
539
540	Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
541
542	_textContext.DrawText(formattedText, textPoint);
543
544	//float bboxWidth = (float)formattedText.Width;
545	double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
546	if (alignment == TextAlignment.Center)
547	bboxWidth /= 2f;
548	else if (alignment == TextAlignment.Right)
549	bboxWidth = 0;
550
551	//ctp.X += bboxWidth + emSize / 4 + spacing;
552	ctp.X += bboxWidth + spacing;
553	}
554
555	if (rotateAt != null)
556	{
557	_textContext.Pop();
558	}
559	}
560	}
561
562	#endregion
563
564	#region DrawTextRun Method
565
566	private void DrawTextRun(SvgTextContentElement element, ref Point ctp,
567	WpfTextRun textRun, double rotate, WpfTextPlacement placement)
568	{
569	if (textRun == null \|\| textRun.IsEmpty)
570	return;
571
572	string text = textRun.Text;
573	double emSize = GetComputedFontSize(element);
574	FontFamily fontFamily = GetTextFontFamily(element, emSize);
575
576	FontStyle fontStyle = GetTextFontStyle(element);
577	FontWeight fontWeight = GetTextFontWeight(element);
578
579	FontStretch fontStretch = GetTextFontStretch(element);
580
581	WpfTextStringFormat stringFormat = GetTextStringFormat(element);
582
583	// Fix the use of Postscript fonts...
584	WpfFontFamilyVisitor fontFamilyVisitor = _drawContext.FontFamilyVisitor;
585	if (!String.IsNullOrEmpty(_actualFontName) && fontFamilyVisitor != null)
586	{
587	WpfFontFamilyInfo currentFamily = new WpfFontFamilyInfo(fontFamily, fontWeight,
588	fontStyle, fontStretch);
589	WpfFontFamilyInfo familyInfo = fontFamilyVisitor.Visit(_actualFontName,
590	currentFamily, _drawContext);
591	if (familyInfo != null && !familyInfo.IsEmpty)
592	{
593	fontFamily = familyInfo.Family;
594	fontWeight = familyInfo.Weight;
595	fontStyle = familyInfo.Style;
596	fontStretch = familyInfo.Stretch;
597	}
598	}
599
600	WpfSvgPaint fillPaint = new WpfSvgPaint(_drawContext, element, "fill");
601	Brush textBrush = fillPaint.GetBrush();
602
603	WpfSvgPaint strokePaint = new WpfSvgPaint(_drawContext, element, "stroke");
604	Pen textPen = strokePaint.GetPen();
605
606	if (textBrush == null && textPen == null)
607	{
608	return;
609	}
610	else if (textBrush == null)
611	{
612	// If here, then the pen is not null, and so the fill cannot be null.
613	// We set this to transparent for stroke only text path...
614	textBrush = Brushes.Transparent;
615	}
616
617	TextDecorationCollection textDecors = GetTextDecoration(element);
618	TextAlignment alignment = stringFormat.Alignment;
619
620	string letterSpacing = element.GetAttribute("letter-spacing");
621	if (String.IsNullOrEmpty(letterSpacing))
622	{
623	FormattedText formattedText = new FormattedText(text,
624	textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
625	stringFormat.Direction, new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
626	emSize, textBrush);
627
628	formattedText.TextAlignment = stringFormat.Alignment;
629	formattedText.Trimming = stringFormat.Trimming;
630
631	if (textDecors != null && textDecors.Count != 0)
632	{
633	formattedText.SetTextDecorations(textDecors);
634	}
635
636	//float xCorrection = 0;
637	//if (alignment == TextAlignment.Left)
638	// xCorrection = emSize * 1f / 6f;
639	//else if (alignment == TextAlignment.Right)
640	// xCorrection = -emSize * 1f / 6f;
641
642	double yCorrection = formattedText.Baseline;
643
644	Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
645
646	RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
647	_textContext.PushTransform(rotateAt);
648
649	_textContext.DrawText(formattedText, textPoint);
650
651	//float bboxWidth = (float)formattedText.Width;
652	double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
653	if (alignment == TextAlignment.Center)
654	bboxWidth /= 2f;
655	else if (alignment == TextAlignment.Right)
656	bboxWidth = 0;
657
658	//ctp.X += bboxWidth + emSize / 4;
659	ctp.X += bboxWidth;
660
661	if (rotateAt != null)
662	{
663	_textContext.Pop();
664	}
665	}
666	else
667	{
668	RotateTransform rotateAt = new RotateTransform(90, ctp.X, ctp.Y);
669	_textContext.PushTransform(rotateAt);
670
671	float spacing = Convert.ToSingle(letterSpacing);
672	for (int i = 0; i < text.Length; i++)
673	{
674	FormattedText formattedText = new FormattedText(new string(text[i], 1),
675	textRun.IsLatin ? _drawContext.EnglishCultureInfo : _drawContext.CultureInfo,
676	stringFormat.Direction,
677	new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
678	emSize, textBrush);
679
680	formattedText.Trimming = stringFormat.Trimming;
681	formattedText.TextAlignment = stringFormat.Alignment;
682
683	if (textDecors != null && textDecors.Count != 0)
684	{
685	formattedText.SetTextDecorations(textDecors);
686	}
687
688	//float xCorrection = 0;
689	//if (alignment == TextAlignment.Left)
690	// xCorrection = emSize * 1f / 6f;
691	//else if (alignment == TextAlignment.Right)
692	// xCorrection = -emSize * 1f / 6f;
693
694	double yCorrection = formattedText.Baseline;
695
696	Point textPoint = new Point(ctp.X, ctp.Y - yCorrection);
697
698	_textContext.DrawText(formattedText, textPoint);
699
700	//float bboxWidth = (float)formattedText.Width;
701	double bboxWidth = formattedText.WidthIncludingTrailingWhitespace;
702	if (alignment == TextAlignment.Center)
703	bboxWidth /= 2f;
704	else if (alignment == TextAlignment.Right)
705	bboxWidth = 0;
706
707	//ctp.X += bboxWidth + emSize / 4 + spacing;
708	ctp.X += bboxWidth + spacing;
709	}
710
711	if (rotateAt != null)
712	{
713	_textContext.Pop();
714	}
715	}
716	}
717
718	#endregion
719
720	#region ChangeGlyphOrientation Method
721
722	private double ChangeGlyphOrientation(GlyphRunDrawing glyphDrawing,
723	double baselineShiftX, double baselineShiftY, bool isLatin)
724	{
725	if (glyphDrawing == null)
726	{
727	return 0;
728	}
729	GlyphRun glyphRun = glyphDrawing.GlyphRun;
730
731	GlyphRun verticalRun = new GlyphRun();
732	ISupportInitialize glyphInit = verticalRun;
733	glyphInit.BeginInit();
734
735	verticalRun.IsSideways = true;
736
737	List<double> advancedHeights = null;
738
739	double totalHeight = 0;
740
741	IList<UInt16> glyphIndices = glyphRun.GlyphIndices;
742	int advancedCount = glyphIndices.Count;
743	//{
744	// double textHeight = glyphRun.ComputeInkBoundingBox().Height + glyphRun.ComputeAlignmentBox().Height;
745	// textHeight = textHeight / 2.0d;
746
747	// totalHeight = advancedCount * textHeight;
748	// advancedHeights = new List<double>(advancedCount);
749	// for (int k = 0; k < advancedCount; k++)
750	// {
751	// advancedHeights.Add(textHeight);
752	// }
753	//}
754	advancedHeights = new List<double>(advancedCount);
755	IDictionary<ushort, double> allGlyphHeights = glyphRun.GlyphTypeface.AdvanceHeights;
756	double fontSize = glyphRun.FontRenderingEmSize;
757	for (int k = 0; k < advancedCount; k++)
758	{
759	double tempValue = allGlyphHeights[glyphIndices[k]] * fontSize;
760	advancedHeights.Add(tempValue);
761	totalHeight += tempValue;
762	}
763
764	Point baselineOrigin = glyphRun.BaselineOrigin;
765	if (isLatin)
766	{
767	baselineOrigin.X += baselineShiftX;
768	baselineOrigin.Y += baselineShiftY;
769	}
770
771	//verticalRun.AdvanceWidths = glyphRun.AdvanceWidths;
772	verticalRun.AdvanceWidths = advancedHeights;
773	verticalRun.BaselineOrigin = baselineOrigin;
774	verticalRun.BidiLevel = glyphRun.BidiLevel;
775	verticalRun.CaretStops = glyphRun.CaretStops;
776	verticalRun.Characters = glyphRun.Characters;
777	verticalRun.ClusterMap = glyphRun.ClusterMap;
778	verticalRun.DeviceFontName = glyphRun.DeviceFontName;
779	verticalRun.FontRenderingEmSize = glyphRun.FontRenderingEmSize;
780	verticalRun.GlyphIndices = glyphRun.GlyphIndices;
781	verticalRun.GlyphOffsets = glyphRun.GlyphOffsets;
782	verticalRun.GlyphTypeface = glyphRun.GlyphTypeface;
783	verticalRun.Language = glyphRun.Language;
784
785	glyphInit.EndInit();
786
787	glyphDrawing.GlyphRun = verticalRun;
788
789	return totalHeight;
790	}
791
792	#endregion
793
794	#endregion
795	}
796	}

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