개정판 b3f088e9
revised issue #937: calculate font size to fit given text boundary
Change-Id: I71bf1ad20ec70b4d3f71a4615f97230f0be0f1b5
| FinalService/KCOM_FinalService/MarkupToPDF/Controls_PDF/HoneyPDFLib_DrawSet_DrawString.cs | ||
|---|---|---|
| 16 | 16 |
{
|
| 17 | 17 |
string ARIALUNI_TFF = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "Arial Unicode MS.TTF"); |
| 18 | 18 |
|
| 19 |
double dFontSize = double.MaxValue; |
|
| 19 | 20 |
BaseFont bf = BaseFont.CreateFont(ARIALUNI_TFF, BaseFont.IDENTITY_H, BaseFont.EMBEDDED); |
| 20 |
string[] tokens = text.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.None); |
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| 21 |
string sLongestStr = tokens.OrderByDescending(s => s.Length).First(); |
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| 22 |
float width = bf.GetWidthPoint(sLongestStr, rect.Height); |
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| 23 |
float fFontSize = rect.Height*(rect.Width/width); |
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| 24 |
|
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| 25 |
iTextSharp.text.Font itextFont = new iTextSharp.text.Font(bf, fFontSize); |
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| 21 |
string[] tokens = text.Split(Environment.NewLine.ToArray(), StringSplitOptions.RemoveEmptyEntries); |
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| 22 |
foreach (var token in tokens) |
|
| 23 |
{
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| 24 |
float width = bf.GetWidthPoint(token, rect.Height); |
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| 25 |
double ratio = rect.Width / width; |
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| 26 |
double size = rect.Height * ratio; |
|
| 27 |
dFontSize = size < dFontSize ? size : dFontSize; |
|
| 28 |
} |
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///dFontSize = dFontSize > rect.Height ? rect.Height : dFontSize; |
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| 30 |
/* |
|
| 31 |
width = bf.GetWidthPoint(sLongestStr, (float)dFontSize); |
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| 32 |
float ascent = bf.GetAscentPoint(sLongestStr, (float)dFontSize); |
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| 33 |
float descent = bf.GetDescentPoint(sLongestStr, (float)dFontSize); |
|
| 34 |
*/ |
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| 35 |
|
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| 36 |
iTextSharp.text.Font itextFont = new iTextSharp.text.Font(bf, (float)(dFontSize)); |
|
| 26 | 37 |
itextFont.SetStyle(0); |
| 27 | 38 |
if (fontstyle == FontStyles.Italic) |
| 28 | 39 |
{
|
| ... | ... | |
| 114 | 125 |
ct.SetText(new Phrase(new Chunk(text, itextFont))); |
| 115 | 126 |
ct.Alignment = Element.ALIGN_CENTER | Element.ALIGN_TOP; |
| 116 | 127 |
ct.SetLeading(itextFont.CalculatedSize + 1, ct.MultipliedLeading); |
| 117 |
|
|
| 128 |
/// expand size of rectangle to prevent text disappear |
|
| 129 |
calRect.Right += itextFont.CalculatedSize; |
|
| 130 |
string[] tokens = text.Split(Environment.NewLine.ToArray(), StringSplitOptions.RemoveEmptyEntries); |
|
| 131 |
float top = calRect.Bottom + tokens.Length * itextFont.CalculatedSize + (float)2; |
|
| 132 |
calRect.Top = top < calRect.Top ? calRect.Top : top; |
|
| 133 |
/// up to here |
|
| 118 | 134 |
ct.SetSimpleColumn(calRect); |
| 119 | 135 |
ct.Go(); |
| 120 | 136 |
|
| ... | ... | |
| 185 | 201 |
ct.SetText(new Phrase(new Chunk(text, itextFont))); |
| 186 | 202 |
ct.Alignment = Element.ALIGN_CENTER | Element.ALIGN_TOP; |
| 187 | 203 |
ct.SetLeading(itextFont.CalculatedSize + 1, ct.MultipliedLeading); |
| 204 |
/// expand size of rectangle to prevent text disappear |
|
| 205 |
calRect.Right += itextFont.CalculatedSize; |
|
| 206 |
string[] tokens = text.Split(Environment.NewLine.ToArray(), StringSplitOptions.RemoveEmptyEntries); |
|
| 207 |
float top = calRect.Bottom + tokens.Length * itextFont.CalculatedSize + (float)2; |
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| 208 |
calRect.Top = top < calRect.Top ? calRect.Top : top; |
|
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/// up to here |
|
| 188 | 210 |
ct.SetSimpleColumn(calRect); |
| 189 | 211 |
ct.Go(); |
| 190 | 212 |
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