public static XGlyphTypeface GetOrCreateFromGdi(GdiFont gdiFont)
{
// $TODO THHO Lock???
string typefaceKey = ComputeKey(gdiFont);
if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out XGlyphTypeface glyphTypeface))
{
// We have the glyph typeface already in cache.
return(glyphTypeface);
}
XFontFamily fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
XFontSource fontSource = XFontSource.GetOrCreateFromGdi(typefaceKey, gdiFont);
// Check if styles must be simulated.
XStyleSimulations styleSimulations = XStyleSimulations.None;
if (gdiFont.Bold && !fontSource.Fontface.os2.IsBold)
{
styleSimulations |= XStyleSimulations.BoldSimulation;
}
if (gdiFont.Italic && !fontSource.Fontface.os2.IsItalic)
{
styleSimulations |= XStyleSimulations.ItalicSimulation;
}
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, styleSimulations, gdiFont);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
/// <summary>
/// A GDI+ font object is used to setup the internal font objects.
/// </summary>
void InitializeFromGdi()
{
try
{
Lock.EnterFontFactory();
if (GdiFontFamily != null)
{
// Create font based on its family.
GdiFont = new GdiFont(GdiFontFamily, (float)Size, (GdiFontStyle)Style, GraphicsUnit.World);
}
if (GdiFont != null)
{
#if DEBUG_
string name1 = _gdiFont.Name;
string name2 = _gdiFont.OriginalFontName;
string name3 = _gdiFont.SystemFontName;
#endif
FamilyName = GdiFont.FontFamily.Name;
// TODO: _glyphTypeface = XGlyphTypeface.GetOrCreateFrom(_gdiFont);
}
else
{
Debug.Assert(false);
}
if (GlyphTypeface == null)
{
GlyphTypeface = XGlyphTypeface.GetOrCreateFromGdi(GdiFont);
}
CreateDescriptorAndInitializeFontMetrics();
}
finally { Lock.ExitFontFactory(); }
}
internal static string ComputeKey(GdiFont gdiFont)
{
string name1 = gdiFont.Name;
string name2 = gdiFont.OriginalFontName;
string name3 = gdiFont.SystemFontName;
string name = name1;
GdiFontStyle style = gdiFont.Style;
string key = KeyPrefix + name.ToLowerInvariant() + ((style & GdiFontStyle.Italic) == GdiFontStyle.Italic ? "/i" : "/n") + ((style & GdiFontStyle.Bold) == GdiFontStyle.Bold ? "/700" : "/400") + "/5"; // Stretch.Normal
return(key);
}
const string KeyPrefix = "tk:"; // "typeface key"
#if CORE || GDI
XGlyphTypeface(string key, XFontFamily fontFamily, XFontSource fontSource, XStyleSimulations styleSimulations, GdiFont gdiFont)
{
Key = key;
FontFamily = fontFamily;
FontSource = fontSource;
Fontface = OpenTypeFontface.CetOrCreateFrom(fontSource);
Debug.Assert(ReferenceEquals(FontSource.Fontface, Fontface));
GdiFont = gdiFont;
StyleSimulations = styleSimulations;
Initialize();
}
/// <summary>
/// Initializes a new instance of the <see cref="XFont"/> class from a System.DrawingCore.Font.
/// </summary>
/// <param name="font">The System.DrawingCore.Font.</param>
/// <param name="pdfOptions">Additional PDF options.</param>
public XFont(GdiFont font, XPDFFontOptions pdfOptions)
{
if (font.Unit != GraphicsUnit.World)
{
throw new ArgumentException("Font must use GraphicsUnit.World.");
}
_gdiFont = font;
Debug.Assert(font.Name == font.FontFamily.Name);
_familyName = font.Name;
_emSize = font.Size;
_style = FontStyleFrom(font);
_pdfOptions = pdfOptions;
InitializeFromGdi();
}
private SizeF MeasureString(string s, Graphics g, System.DrawingCore.Font drawFont, StringFormat drawFormat)
{
if (s == null || s.Length == 0)
{
return(SizeF.Empty);
}
CharacterRange[] cr = { new CharacterRange(0, s.Length) };
drawFormat.SetMeasurableCharacterRanges(cr);
Region[] rs = new Region[1];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0, 0, float.MaxValue, float.MaxValue),
drawFormat);
RectangleF mr = rs[0].GetBounds(g);
return(new SizeF(mr.Width, mr.Height));
}
//internal static XGlyphTypeface TryGetXGlyphTypeface(string familyName, XFontStyle style)
//{
// string name = MakeName(familyName, style);
// XGlyphTypeface typeface;
// _global._typefaces.TryGetValue(name, out typeface);
// return typeface;
//}
#if GDI
internal static GdiFont TryCreateFont(string name, double size, GdiFontStyle style, out XFontSource fontSource)
{
fontSource = null;
try
{
GdiPrivateFontCollection pfc = Singleton._privateFontCollection;
if (pfc == null)
{
return(null);
}
#if true
string key = MakeKey(name, (XFontStyle)style);
if (Singleton._fontSources.TryGetValue(key, out fontSource))
{
GdiFont font = new GdiFont(name, (float)size, style, GraphicsUnit.World);
#if DEBUG_
Debug.Assert(StringComparer.OrdinalIgnoreCase.Compare(name, font.Name) == 0);
Debug.Assert(font.Bold == ((style & GdiFontStyle.Bold) != 0));
Debug.Assert(font.Italic == ((style & GdiFontStyle.Italic) != 0));
#endif
return(font);
}
return(null);
#else
foreach (GdiFontFamily family in pfc.Families)
{
if (string.Compare(family.Name, name, StringComparison.OrdinalIgnoreCase) == 0)
{
GdiFont font = new GdiFont(family, (float)size, style, GraphicsUnit.World);
if (string.Compare(font.Name, name, StringComparison.OrdinalIgnoreCase) != 0)
{
// Style simulation is not implemented in GDI+.
// Use WPF build.
}
return(font);
}
}
#endif
}
catch (Exception ex)
{
// Ignore exception and return null.
Debug.WriteLine(ex.ToString());
}
return(null);
}
public static GdiFont CreateFont(string familyName, double emSize, GdiFontStyle style, out XFontSource fontSource)
{
fontSource = null;
// ReSharper disable once JoinDeclarationAndInitializer
GdiFont font;
// Use font resolver in CORE build. XPrivateFontCollection exists only in GDI and WPF build.
#if GDI
// Try private font collection first.
font = XPrivateFontCollection.TryCreateFont(familyName, emSize, style, out fontSource);
if (font != null)
{
// Get font source is different for this font because Win32 does not know it.
return(font);
}
#endif
// Create ordinary Win32 font.
font = new GdiFont(familyName, (float)emSize, style, GraphicsUnit.World);
return(font);
}
/// <summary>
/// Measures the location of words within a string; limited by .Net 1.1 to 32 words
/// MEASUREMAX is a constant that defines that limit
/// </summary>
/// <param name="s"></param>
/// <param name="g"></param>
/// <param name="drawFont"></param>
/// <param name="drawFormat"></param>
/// <param name="cra"></param>
/// <returns></returns>
private WordStartFinish[] MeasureString32(string s, Graphics g, System.DrawingCore.Font drawFont, StringFormat drawFormat, CharacterRange[] cra)
{
if (s == null || s.Length == 0)
{
return(null);
}
drawFormat.SetMeasurableCharacterRanges(cra);
Region[] rs = new Region[cra.Length];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0, 0, float.MaxValue, float.MaxValue),
drawFormat);
WordStartFinish[] sz = new WordStartFinish[cra.Length];
int isz = 0;
foreach (Region r in rs)
{
RectangleF mr = r.GetBounds(g);
sz[isz].start = Measurement.PointsFromPixels(mr.Left, g.DpiX);
sz[isz].end = Measurement.PointsFromPixels(mr.Right, g.DpiX);
isz++;
}
return(sz);
}
/// <summary>
/// Create a GDI+ font and use its handle to retrieve font data using native calls.
/// </summary>
internal static XFontSource CreateFontSource(string familyName, FontResolvingOptions fontResolvingOptions, out GdiFont font, string typefaceKey)
{
if (String.IsNullOrEmpty(typefaceKey))
{
typefaceKey = XGlyphTypeface.ComputeKey(familyName, fontResolvingOptions);
}
#if true_
if (familyName == "Cambria")
{
Debug - Break.Break();
}
#endif
GdiFontStyle gdiStyle = (GdiFontStyle)(fontResolvingOptions.FontStyle & XFontStyle.BoldItalic);
// Create a 10 point GDI+ font as an exemplar.
font = FontHelper.CreateFont(familyName, 10, gdiStyle, out XFontSource fontSource);
if (fontSource != null)
{
Debug.Assert(font != null);
// Case: Font was created by a GDI+ private font collection.
#if true
#if DEBUG
Debug.Assert(FontFactory.TryGetFontSourceByTypefaceKey(typefaceKey, out XFontSource existingFontSource) &&
ReferenceEquals(fontSource, existingFontSource));
#endif
#else
// Win32 API cannot get font data from fonts created by private font collection,
// because this is handled internally in GDI+.
// Therefore the font source was created when the private font is added to the private font collection.
if (!FontFactory.TryGetFontSourceByTypefaceKey(typefaceKey, out fontSource))
{
// Simplify styles.
// (The code is written for clarity - do not rearrange for optimization)
if (font.Bold && font.Italic)
{
if (FontFactory.TryGetFontSourceByTypefaceKey(XGlyphTypeface.ComputeKey(font.Name, true, false), out fontSource))
{
// Use bold font.
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
else if (FontFactory.TryGetFontSourceByTypefaceKey(XGlyphTypeface.ComputeKey(font.Name, false, true), out fontSource))
{
// Use italic font.
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
else if (FontFactory.TryGetFontSourceByTypefaceKey(XGlyphTypeface.ComputeKey(font.Name, false, false), out fontSource))
{
// Use regular font.
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
}
else if (font.Bold || font.Italic)
{
// Use regular font.
if (FontFactory.TryGetFontSourceByTypefaceKey(XGlyphTypeface.ComputeKey(font.Name, false, false), out fontSource))
{
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
}
else
{
if (FontFactory.TryGetFontSourceByTypefaceKey(XGlyphTypeface.ComputeKey(font.Name, false, false), out fontSource))
{
// Should never come here...
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
}
}
#endif
}
else
{
// Get or create the font source and cache it under the specified typeface key.
fontSource = XFontSource.GetOrCreateFromGdi(typefaceKey, font);
}
return(fontSource);
}
public PlatformFontResolverInfo(string faceName, bool mustSimulateBold, bool mustSimulateItalic, GdiFont gdiFont)
: base(faceName, mustSimulateBold, mustSimulateItalic) => GdiFont = gdiFont;
/// <summary>
/// Measures the location of an arbritrary # of words within a string
/// </summary>
private WordStartFinish[] MeasureString(string s, Graphics g, System.DrawingCore.Font drawFont, StringFormat drawFormat, CharacterRange[] cra)
{
if (cra.Length <= MEASUREMAX) // handle the simple case of < MEASUREMAX words
{
return(MeasureString32(s, g, drawFont, drawFormat, cra));
}
// Need to compensate for SetMeasurableCharacterRanges limitation of 32 (MEASUREMAX)
int mcra = (cra.Length / MEASUREMAX); // # of full 32 arrays we need
int ip = cra.Length % MEASUREMAX; // # of partial entries needed for last array (if any)
WordStartFinish[] sz = new WordStartFinish[cra.Length]; // this is the final result;
float startPos = 0;
CharacterRange[] cra32 = new CharacterRange[MEASUREMAX]; // fill out
int icra = 0; // index thru the cra
for (int i = 0; i < mcra; i++)
{
// fill out the new array
int ticra = icra;
for (int j = 0; j < cra32.Length; j++)
{
cra32[j] = cra[ticra++];
cra32[j].First -= cra[icra].First; // adjust relative offsets of strings
}
// measure the word locations (in the new string)
// ???? should I put a blank in front of it??
string ts = s.Substring(cra[icra].First,
cra[icra + cra32.Length - 1].First + cra[icra + cra32.Length - 1].Length - cra[icra].First);
WordStartFinish[] pos = MeasureString32(ts, g, drawFont, drawFormat, cra32);
// copy the values adding in the new starting positions
for (int j = 0; j < pos.Length; j++)
{
sz[icra].start = pos[j].start + startPos;
sz[icra++].end = pos[j].end + startPos;
}
startPos = sz[icra - 1].end; // reset the start position for the next line
}
// handle the remaining character
if (ip > 0)
{
// resize the range array
cra32 = new CharacterRange[ip];
// fill out the new array
int ticra = icra;
for (int j = 0; j < cra32.Length; j++)
{
cra32[j] = cra[ticra++];
cra32[j].First -= cra[icra].First; // adjust relative offsets of strings
}
// measure the word locations (in the new string)
// ???? should I put a blank in front of it??
string ts = s.Substring(cra[icra].First,
cra[icra + cra32.Length - 1].First + cra[icra + cra32.Length - 1].Length - cra[icra].First);
WordStartFinish[] pos = MeasureString32(ts, g, drawFont, drawFormat, cra32);
// copy the values adding in the new starting positions
for (int j = 0; j < pos.Length; j++)
{
sz[icra].start = pos[j].start + startPos;
sz[icra++].end = pos[j].end + startPos;
}
}
return(sz);
}
private string[] MeasureString(PageText pt, Graphics g, out float[] width)
{
StyleInfo si = pt.SI;
string s = pt.Text;
System.DrawingCore.Font drawFont = null;
StringFormat drawFormat = null;
SizeF ms;
string[] sa = null;
width = null;
try
{
// STYLE
System.DrawingCore.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
{
fs |= System.DrawingCore.FontStyle.Italic;
}
// WEIGHT
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
fs |= System.DrawingCore.FontStyle.Bold;
break;
default:
break;
}
drawFont = new System.DrawingCore.Font(StyleInfo.GetFontFamily(si.FontFamilyFull), si.FontSize, fs);
drawFormat = new StringFormat();
drawFormat.Alignment = StringAlignment.Near;
// Measure string
// pt.NoClip indicates that this was generated by PageTextHtml Build. It has already word wrapped.
if (pt.NoClip || pt.SI.WritingMode == WritingModeEnum.tb_rl) // TODO: support multiple lines for vertical text
{
ms = MeasureString(s, g, drawFont, drawFormat);
width = new float[1];
width[0] = Measurement.PointsFromPixels(ms.Width, g.DpiX); // convert to points from pixels
sa = new string[1];
sa[0] = s;
return(sa);
}
// handle multiple lines;
// 1) split the string into the forced line breaks (ie "\n and \r")
// 2) foreach of the forced line breaks; break these into words and recombine
s = s.Replace("\r\n", "\n"); // don't want this to result in double lines
string[] flines = s.Split(LINEBREAK);
List <string> lines = new List <string>();
List <float> lineWidths = new List <float>();
// remove the size reserved for left and right padding
float ptWidth = pt.W - pt.SI.PaddingLeft - pt.SI.PaddingRight;
if (ptWidth <= 0)
{
ptWidth = 1;
}
foreach (string tfl in flines)
{
string fl;
if (tfl.Length > 0 && tfl[tfl.Length - 1] == ' ')
{
fl = tfl.TrimEnd(' ');
}
else
{
fl = tfl;
}
// Check if entire string fits into a line
ms = MeasureString(fl, g, drawFont, drawFormat);
float tw = Measurement.PointsFromPixels(ms.Width, g.DpiX);
if (tw <= ptWidth)
{ // line fits don't need to break it down further
lines.Add(fl);
lineWidths.Add(tw);
continue;
}
// Line too long; need to break into multiple lines
// 1) break line into parts; then build up again keeping track of word positions
string[] parts = fl.Split(WORDBREAK); // this is the maximum split of lines
StringBuilder sb = new StringBuilder(fl.Length);
CharacterRange[] cra = new CharacterRange[parts.Length];
for (int i = 0; i < parts.Length; i++)
{
int sc = sb.Length; // starting character
sb.Append(parts[i]); // endding character
if (i != parts.Length - 1) // last item doesn't need blank
{
sb.Append(" ");
}
int ec = sb.Length;
CharacterRange cr = new CharacterRange(sc, ec - sc);
cra[i] = cr; // add to character array
}
// 2) Measure the word locations within the line
string wfl = sb.ToString();
WordStartFinish[] wordLocations = MeasureString(wfl, g, drawFont, drawFormat, cra);
if (wordLocations == null)
{
continue;
}
// 3) Loop thru creating new lines as needed
int startLoc = 0;
CharacterRange crs = cra[startLoc];
CharacterRange cre = cra[startLoc];
float cwidth = wordLocations[0].end; // length of the first
float bwidth = wordLocations[0].start; // characters need a little extra on start
string ts;
bool bLine = true;
for (int i = 1; i < cra.Length; i++)
{
cwidth = wordLocations[i].end - wordLocations[startLoc].start + bwidth;
if (cwidth > ptWidth)
{ // time for a new line
cre = cra[i - 1];
ts = wfl.Substring(crs.First, cre.First + cre.Length - crs.First);
lines.Add(ts);
lineWidths.Add(wordLocations[i - 1].end - wordLocations[startLoc].start + bwidth);
// Find the first non-blank character of the next line
while (i < cra.Length &&
cra[i].Length == 1 &&
fl[cra[i].First] == ' ')
{
i++;
}
if (i < cra.Length) // any lines left?
{ // yes, continue on
startLoc = i;
crs = cre = cra[startLoc];
cwidth = wordLocations[i].end - wordLocations[startLoc].start + bwidth;
}
else // no, we can stop
{
bLine = false;
}
// bwidth = wordLocations[startLoc].start - wordLocations[startLoc - 1].end;
}
else
{
cre = cra[i];
}
}
if (bLine)
{
ts = fl.Substring(crs.First, cre.First + cre.Length - crs.First);
lines.Add(ts);
lineWidths.Add(cwidth);
}
}
// create the final array from the Lists
string[] la = lines.ToArray();
width = lineWidths.ToArray();
return(la);
}
finally
{
if (drawFont != null)
{
drawFont.Dispose();
}
if (drawFormat != null)
{
drawFont.Dispose();
}
}
}
//drawstring justified with paragraph format
public static void DrawStringJustified(System.DrawingCore.Graphics graphics, string s, System.DrawingCore.Font font, System.DrawingCore.Brush brush, System.DrawingCore.RectangleF layoutRectangle, char paragraphFormat)
{
try
{
//save the current state of the graphics handle
GraphicsState graphicsState = graphics.Save();
//obtain the font height to be used as line height
double lineHeight = (double)Math.Round(font.GetHeight(graphics), 1);
//string builder to format the text
StringBuilder text = new StringBuilder(s);
var originalFont = new System.DrawingCore.Font(font.FontFamily, font.Size, font.Style);
//adjust the text string to ease detection of carriage returns
text = text.Replace("\r\n", " <CR> ");
text = text.Replace("\r", " <CR> ");
text.Append(" <CR> ");
//ensure measure string will bring the best measures possible (antialias)
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//create a string format object with the generic typographic to obtain the most accurate string measurements
//strange, but the recommended for this case is to use a "cloned" stringformat
var stringFormat = (System.DrawingCore.StringFormat)System.DrawingCore.StringFormat.GenericTypographic.Clone();
//allow the correct measuring of spaces
stringFormat.FormatFlags = System.DrawingCore.StringFormatFlags.MeasureTrailingSpaces;
//create a stringformat for leftalignment
System.DrawingCore.StringFormat leftAlignHandle = new System.DrawingCore.StringFormat();
leftAlignHandle.LineAlignment = System.DrawingCore.StringAlignment.Near;
//create a stringformat for rightalignment
System.DrawingCore.StringFormat rightAlignHandle = new System.DrawingCore.StringFormat();
rightAlignHandle.LineAlignment = System.DrawingCore.StringAlignment.Far;
//measure space for the given font
var stringSize = graphics.MeasureString(" ", font, layoutRectangle.Size, stringFormat);
double spaceWidth = stringSize.Width + 1;
//measure paragraph format for the given font
double paragraphFormatWidth = 0;
if (paragraphFormat != ' ')
{
var paragraphFormatSize = graphics.MeasureString(paragraphFormat.ToString(), new System.DrawingCore.Font(font.FontFamily, font.Size, System.DrawingCore.FontStyle.Regular), layoutRectangle.Size, stringFormat);
paragraphFormatWidth = paragraphFormatSize.Width;
}
//total word count
int totalWords = Regex.Matches(text.ToString(), " ").Count;
//array of words
ArrayList words = new ArrayList();
//measure each word
int n = 0;
while (true)
{
//original word
string word = Regex.Split(text.ToString(), " ").GetValue(n).ToString();
//add to words array the word without tags
words.Add(new Word(word.Replace("<b>", "").Replace("</b>", "").Replace("<i>", "").Replace("</i>", "")));
//marque to start bolding or/and italic
if (word.ToLower().Contains("<b>") && word.ToLower().Contains("<i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold & System.DrawingCore.FontStyle.Italic);
}
else if (word.ToLower().Contains("<b>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (word.ToLower().Contains("<i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
Word currentWord = (Word)words[n];
currentWord.StartBold = word.ToLower().Contains("<b>");
currentWord.StopBold = word.ToLower().Contains("</b>");
currentWord.StartItalic = word.ToLower().Contains("<i>");
currentWord.StopItalic = word.ToLower().Contains("</i>");
//size of the word
var wordSize = graphics.MeasureString(currentWord.String, font, layoutRectangle.Size, stringFormat);
float wordWidth = wordSize.Width;
if (wordWidth > layoutRectangle.Width && currentWord.String != "<CR>")
{
int reduce = 1;
while (true)
{
int lengthChars = (int)Math.Round(currentWord.String.Length / (wordWidth / layoutRectangle.Width), 0) - reduce;
string cutWord = currentWord.String.Substring(0, lengthChars);
//the new size of the word
wordSize = graphics.MeasureString(cutWord, font, layoutRectangle.Size, stringFormat);
wordWidth = wordSize.Width;
//update the word string
((Word)words[n]).String = cutWord;
//add new word
if (wordWidth <= layoutRectangle.Width)
{
totalWords++;
words.Add(new Word("", 0,
currentWord.StartBold, currentWord.StopBold,
currentWord.StartItalic, currentWord.StopItalic));
text.Replace(currentWord.String, cutWord + " " + currentWord.String.Substring(lengthChars + 1), 0, 1);
break;
}
reduce++;
}
}
//update the word size
((Word)words[n]).Length = wordWidth;
//marque to stop bolding or/and italic
if (word.ToLower().Contains("</b>") && font.Style == System.DrawingCore.FontStyle.Italic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
else if (word.ToLower().Contains("</i>") && font.Style == System.DrawingCore.FontStyle.Bold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (word.ToLower().Contains("</b>") || word.ToLower().Contains("</i>"))
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
n++;
if (n > totalWords - 1)
{
break;
}
}
//before we start drawing, its wise to restore ou graphics objecto to its original state
graphics.Restore(graphicsState);
//restore to font to the original values
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, originalFont.Style);
//start drawing word by word
int currentLine = 0;
for (int i = 0; i < totalWords; i++)
{
bool endOfSentence = false;
double wordsWidth = 0;
int wordsInLine = 0;
int j = i;
for (j = i; j < totalWords; j++)
{
if (((Word)words[j]).String == "<CR>")
{
endOfSentence = true;
break;
}
wordsWidth += ((Word)words[j]).Length + spaceWidth;
if (wordsWidth > layoutRectangle.Width && j > i)
{
wordsWidth = wordsWidth - ((Word)words[j]).Length - (spaceWidth * wordsInLine);
break;
}
wordsInLine++;
}
if (j > totalWords)
{
endOfSentence = true;
}
double widthOfBetween = 0;
if (endOfSentence)
{
widthOfBetween = spaceWidth;
}
else
{
widthOfBetween = (layoutRectangle.Width - wordsWidth) / (wordsInLine - 1);
}
double currentTop = layoutRectangle.Top + (int)(currentLine * lineHeight);
if (currentTop > (layoutRectangle.Height + layoutRectangle.Top))
{
i = totalWords;
break;
}
double currentLeft = layoutRectangle.Left;
bool lastWord = false;
for (int currentWord = 0; currentWord < wordsInLine; currentWord++)
{
bool loop = false;
if (((Word)words[i]).String == "<CR>")
{
i++;
loop = true;
}
if (!loop)
{
//last word in sentence
if (currentWord == wordsInLine && !endOfSentence)
{
lastWord = true;
}
if (wordsInLine == 1)
{
currentLeft = layoutRectangle.Left;
lastWord = false;
}
System.DrawingCore.RectangleF rectangleF;
System.DrawingCore.StringFormat stringFormatHandle;
if (lastWord)
{
rectangleF = new System.DrawingCore.RectangleF(layoutRectangle.Left, (float)currentTop, layoutRectangle.Width, (float)(currentTop + lineHeight));
stringFormatHandle = rightAlignHandle;
}
else
{
//lets zero size for word to drawstring auto-size de word
rectangleF = new System.DrawingCore.RectangleF((float)currentLeft, (float)currentTop, 0, 0);
stringFormatHandle = leftAlignHandle;
}
//start bolding and/or italic
if (((Word)words[i]).StartBold && ((Word)words[i]).StartItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold & System.DrawingCore.FontStyle.Italic);
}
else if (((Word)words[i]).StartBold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (((Word)words[i]).StartItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Italic);
}
//draw the word
graphics.DrawString(((Word)words[i]).String, font, brush, rectangleF, stringFormatHandle);
//stop bolding and/or italic
if (((Word)words[i]).StopBold && font.Style == System.DrawingCore.FontStyle.Italic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
else if (((Word)words[i]).StopItalic && font.Style == System.DrawingCore.FontStyle.Bold)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Bold);
}
else if (((Word)words[i]).StopBold || ((Word)words[i]).StopItalic)
{
font = new System.DrawingCore.Font(originalFont.FontFamily, originalFont.Size, System.DrawingCore.FontStyle.Regular);
}
//paragraph formating
if (endOfSentence && currentWord == wordsInLine - 1 && paragraphFormat != ' ')
{
currentLeft += ((Word)words[i]).Length;
//draw until end of line
while (currentLeft + paragraphFormatWidth <= layoutRectangle.Left + layoutRectangle.Width)
{
rectangleF = new System.DrawingCore.RectangleF((float)currentLeft, (float)currentTop, 0, 0);
//draw the paragraph format
graphics.DrawString(paragraphFormat.ToString(), font, brush, rectangleF, stringFormatHandle);
currentLeft += paragraphFormatWidth;
}
}
else
{
currentLeft += ((Word)words[i]).Length + widthOfBetween;
}
//go to next word
i++;
}
}
currentLine++;
if (i >= totalWords)
{
break;
}
//compensate endfor
if (((Word)words[i]).String != "<CR>")
{
i--;
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
//drawstring justified without paragraph format
public static void DrawStringJustified(System.DrawingCore.Graphics graphics, string s, System.DrawingCore.Font font, System.DrawingCore.Brush brush, System.DrawingCore.RectangleF layoutRectangle)
{
DrawStringJustified(graphics, s, font, brush, layoutRectangle, ' ');
}
/// <summary>
/// 创建验证码的图片
/// </summary>
/// <param name="validateCode">验证码</param>
/// <param name="height">图片高度</param>
/// <param name="rightOffsetWidth">文字的右边偏移量宽度</param>
/// <returns></returns>
public static byte[] CreateValidateGraphic(string validateCode, int height, int leftOffsetWidth, int rightOffsetWidth)
{
int randAngle = 45; //随机转动角度
int mapwidth = (int)(validateCode.Length * 24) + leftOffsetWidth + rightOffsetWidth;
Bitmap image = new Bitmap(mapwidth, height); //创建图片背景
Graphics graph = Graphics.FromImage(image);
try
{
graph.Clear(Color.AliceBlue);//清除画面，填充背景
Random rand = new Random();
//验证码旋转，防止机器识别
char[] chars = validateCode.ToCharArray();//拆散字符串成单字符数组
//文字距中
StringFormat format = new StringFormat(StringFormatFlags.NoClip);
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
//定义颜色
Color[] c = { Color.Black, Color.Red, Color.DarkBlue, Color.Green, Color.Orange, Color.Brown, Color.DarkCyan, Color.Purple };
//定义字体
string[] font = { "Verdana", "Microsoft Sans Serif", "Comic Sans MS", "Arial", "宋体" };
int cindex = rand.Next(7);
for (int i = 0; i < chars.Length; i++)
{
int findex = rand.Next(5);
Font f = new System.DrawingCore.Font(font[findex], 20, System.DrawingCore.FontStyle.Bold);//字体样式(参数2为字体大小)
Brush b = new System.DrawingCore.SolidBrush(c[cindex]);
Point dot = new Point(20, 12);
//graph.DrawString(dot.X.ToString(),fontstyle,new SolidBrush(Color.Black),10,150);//测试X坐标显示间距的
float angle = rand.Next(-randAngle, randAngle); //转动的度数
graph.TranslateTransform(dot.X, dot.Y); //移动光标到指定位置
graph.RotateTransform(angle);
graph.DrawString(chars[i].ToString(), f, b, 0, 5, format);
//graph.DrawString(chars[i].ToString(),fontstyle,new SolidBrush(Color.Blue),1,1,format);
graph.RotateTransform(-angle); //转回去
graph.TranslateTransform(-2, -dot.Y); //移动光标到指定位置，每个字符紧凑显示，避免被软件识别
}
Brush lb = new System.DrawingCore.SolidBrush(c[cindex]);
graph.TranslateTransform(-graph.Transform.OffsetX, -graph.Transform.OffsetY);
// graph.DrawLine(new Pen(Color.DarkGray, 3), 0, image.Height / 2, image.Width, image.Height / 2);
int x1 = 0;
int x2 = 0;
int y1 = 0;
int y2 = 0;
int lt = image.Width / 20;
int dy = 2;
//背景噪点生成
for (int i = 0; i < 30; i++)
{
x1 = i == 0 ? lt * i : x2;
y1 = i == 0 ? (image.Height / 2 + rand.Next(-dy, dy)) : y2;
x2 = x1 + lt;
y2 = image.Height / 2 + rand.Next(-dy, dy);
graph.DrawLine(new Pen(Color.DarkGray, 2), x1, y1, x2, y2);
}
//for (int i = 0; i < 0; i++)
//{
// int x11 = rand.Next(image.Width);
// int x12 = rand.Next(image.Width);
// int y11 = rand.Next(image.Height);
// int y12 = rand.Next(image.Height);
// graph.DrawLine(new Pen(Color.DarkGray), x11, y11, x12, y12);
//}
//生成图片
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
image.Save(ms, System.DrawingCore.Imaging.ImageFormat.Gif);
return(ms.ToArray());
}
}
finally
{
graph.Dispose();
image.Dispose();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="XFont"/> class from a System.DrawingCore.Font.
/// </summary>
/// <param name="font">The System.DrawingCore.Font.</param>
public XFont(GdiFont font)
: this(font, new XPDFFontOptions(GlobalFontSettings.DefaultFontEncoding))
{
}
public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Check cache for requested type face.
string typefaceKey = ComputeKey(familyName, fontResolvingOptions);
XGlyphTypeface glyphTypeface;
try
{
// Lock around TryGetGlyphTypeface and AddGlyphTypeface.
Lock.EnterFontFactory();
if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
{
// Just return existing one.
return(glyphTypeface);
}
// Resolve typeface by FontFactory.
FontResolverInfo fontResolverInfo = FontFactory.ResolveTypeface(familyName, fontResolvingOptions, typefaceKey);
if (fontResolverInfo == null)
{
// No fallback - just stop.
throw new InvalidOperationException("No appropriate font found.");
}
#if CORE || GDI
GdiFont gdiFont = null;
#endif
#if WPF
WpfFontFamily wpfFontFamily = null;
WpfTypeface wpfTypeface = null;
WpfGlyphTypeface wpfGlyphTypeface = null;
#endif
#if UWP
// Nothing to do.
#endif
// Now create the font family at the first.
XFontFamily fontFamily;
if (fontResolverInfo is PlatformFontResolverInfo platformFontResolverInfo)
{
// Case: fontResolverInfo was created by platform font resolver
// and contains platform specific objects that are reused.
#if CORE || GDI
// Reuse GDI+ font from platform font resolver.
gdiFont = platformFontResolverInfo.GdiFont;
fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
#endif
#if WPF
#if !SILVERLIGHT
// Reuse WPF font family created from platform font resolver.
wpfFontFamily = platformFontResolverInfo.WpfFontFamily;
wpfTypeface = platformFontResolverInfo.WpfTypeface;
wpfGlyphTypeface = platformFontResolverInfo.WpfGlyphTypeface;
fontFamily = XFontFamily.GetOrCreateFromWpf(wpfFontFamily);
#else
fontFamily = XFontFamily.GetOrCreateFromWpf(new WpfFontFamily(familyName));
#endif
#endif
#if NETFX_CORE || UWP
fontFamily = null;
#endif
}
else
{
// Case: fontResolverInfo was created by custom font resolver.
// Get or create font family for custom font resolver retrieved font source.
fontFamily = XFontFamily.GetOrCreateFontFamily(familyName);
}
// We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
XFontSource fontSource = FontFactory.GetFontSourceByFontName(fontResolverInfo.FaceName);
Debug.Assert(fontSource != null);
// Each font source already contains its OpenTypeFontface.
#if CORE || GDI
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, gdiFont);
#endif
#if WPF
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, wpfTypeface, wpfGlyphTypeface);
#endif
#if NETFX_CORE || UWP
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations);
#endif
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
}
finally { Lock.ExitFontFactory(); }
return(glyphTypeface);
}