public TextFormat QueryFont(Font font)
{
// load an existing text format
if (TextFormats.TryGetValue(font, out var textFormat))
{
return(textFormat);
}
var weight = GetFontWeight(font.Weight);
// create a new text format
if (FontCollection.FindFamilyName(font.FamilyName, out int index))
{
// load from a font collection
textFormat = new TextFormat(DirectWriteFactory, font.FamilyName, FontCollection, weight,
FontStyle.Normal, FontStretch.Normal, font.Size);
}
else
{
// load from system
textFormat = new TextFormat(DirectWriteFactory, font.FamilyName, weight, FontStyle.Normal, font.Size);
}
if (textFormat != null)
{
TextFormats.Add(font, textFormat);
}
return(textFormat);
}
private async Task <List <string> > LoadCustomFontCharacters(string fontfamilyname, string fontFilePath)
{
var uri = new Uri(fontFilePath);
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
CurrentResourceFontLoader = new ResourceFontLoader(FactoryDWrite, await storageFile.OpenStreamForReadAsync());
CurrentFontCollection = new FontCollection(FactoryDWrite, CurrentResourceFontLoader,
CurrentResourceFontLoader.Key);
var character = new List <string>();
CurrentFontCollection.FindFamilyName(fontfamilyname, out var familyIndex);
if (familyIndex == -1)
{
return(character);
}
using (var fontFamily = CurrentFontCollection.GetFontFamily(familyIndex))
{
var font = fontFamily.GetFont(0);
var count = 65536 * 4 - 1;
for (var i = 0; i < count; i++)
{
if (font.HasCharacter(i))
{
character.Add(char.ConvertFromUtf32(i));
}
}
}
return(character);
}
public void CreatePDF(Stream stream)
{
var fc = new FontCollection();
fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
var doc = new GcPdfDocument();
var g = doc.NewPage().Graphics;
var rc = Common.Util.AddNote(
"TextFormat.FontStyle allows to turn on Bold and/or Italic emulation\n" +
"on a regular (not a bold/italic) font.", doc.Pages.Last);
// Text insertion point:
PointF ip = new PointF(rc.Left, rc.Bottom + 36);
TextFormat tf = new TextFormat();
// We specifically get a non-bold/non-italic version of the font:
tf.Font = fc.FindFamilyName("Times New Roman", false, false);
tf.FontSize = 16;
g.DrawString($"Regular Times font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
// Draw some strings using the same (regular) font but emulating bold and italic:
tf.FontStyle = FontStyle.Bold;
g.DrawString($"Bold emulation using font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
tf.FontStyle = FontStyle.Italic;
g.DrawString($"Italic emulation using font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
tf.FontStyle = FontStyle.BoldItalic;
g.DrawString($"Bold+Italic emulation using font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
//
// Now we render some strings using the "real" bold/italic variants of the font:
tf.FontStyle = FontStyle.Regular;
tf.Font = fc.FindFamilyName("Times New Roman", true, false);
g.DrawString($"Using real bold font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
tf.Font = fc.FindFamilyName("Times New Roman", false, true);
g.DrawString($"Using real italic font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
tf.Font = fc.FindFamilyName("Times New Roman", true, true);
g.DrawString($"Using real bold italic font: {tf.Font.FullFontName}", tf, ip);
ip.Y += 36;
// Done:
doc.Save(stream);
}
private static FontFamily GetFontFamily(string familyName)
{
int fontIndex = 0;
_currentFontCollection.FindFamilyName(familyName, out fontIndex);
if (fontIndex < 0)
{
return(null);
}
var fontFamily = _currentFontCollection.GetFontFamily(fontIndex);
return(fontFamily);
}
void Create(string familyName, float sizeInPoints, FontStyle style, FontDecoration decoration)
{
Size = sizeInPoints;
FontStyle = style;
FontDecoration = decoration;
int index;
if (FontCollection.FindFamilyName(familyName, out index))
{
sw.FontStyle fontStyle;
sw.FontWeight fontWeight;
Conversions.Convert(style, out fontStyle, out fontWeight);
Control = FontCollection.GetFontFamily(index).GetFirstMatchingFont(fontWeight, sw.FontStretch.Normal, fontStyle);
}
}
private Font GetSystemFont(string fontFamilyName)
{
int fontFamilyIndex;
bool found = _systemFonts.FindFamilyName(fontFamilyName, out fontFamilyIndex);
if (!found)
{
throw new ArgumentException("Couldn't find the specified font.");
}
using (var fontFamily = _systemFonts.GetFontFamily(fontFamilyIndex))
{
return(fontFamily.GetFirstMatchingFont(FontWeight.Normal, FontStretch.Normal, FontStyle.Normal));
}
}
async Task LoadCustomFonts()
{
await Task.Run(() =>
{
// Font Families
FontFamilyNames = new List <string> {
"Aileron", "Grundschrift"
};
// Character codes to check for:
int[] codes = { 0x41, 0x6f, 0x7c, 0xc2aa, 0xD7A3 };
FactoryDWrite = new SharpDX.DirectWrite.Factory();
CurrentResourceFontLoader = new ResourceFontLoader(FactoryDWrite, customFontStreams);
CurrentFontCollection = new FontCollection(FactoryDWrite, CurrentResourceFontLoader, CurrentResourceFontLoader.Key);
foreach (var fontfamilyname in FontFamilyNames)
{
int familyIndex;
CurrentFontCollection.FindFamilyName(fontfamilyname, out familyIndex);
using (var fontFamily = CurrentFontCollection.GetFontFamily(familyIndex))
{
var font = fontFamily.GetFont(0);
using (var fontface = new FontFace(font))
{
var results = fontface.GetGlyphIndices(codes);
for (int i = 0; i < codes.Length - 1; i++)
{
if (results[i] > 0)
{
Debug.WriteLine("Contains the unicode character " + codes[i]);
}
else
{
Debug.WriteLine("Does not contain the unicode character " + codes[i]);
}
}
}
}
}
});
}
public void SetTextFormat(TextFormat textFormat)
{
// Initializes properties using a text format, like font family, font size,
// and reading direction. For simplicity, this custom layout supports
// minimal formatting. No mixed formatting or alignment modes are supported.
readingDirection_ = textFormat.ReadingDirection;
fontEmSize_ = textFormat.FontSize;
localName_ = textFormat.LocaleName;
// Map font and style to fontFace.
FontCollection fontCollection = textFormat.FontCollection;// Need the font collection to map from font name to actual font.
if (fontCollection == null)
{
fontCollection = dwriteFactory_.GetSystemFontCollection(false);// No font collection was set in the format, so use the system default.
}
// Find matching family name in collection.
String fontFamilyName = textFormat.FontFamilyName;
int fontIndex;
// If the given font does not exist, take what we can get
// (displaying something instead nothing), choosing the foremost
// font in the collection.
if (!fontCollection.FindFamilyName(fontFamilyName, out fontIndex))
{
fontIndex = 0;
}
FontFamily fontFamily = fontCollection.GetFontFamily(fontIndex);
Font font = fontFamily.GetFirstMatchingFont(textFormat.FontWeight, textFormat.FontStretch, textFormat.FontStyle);
fontFace_ = new FontFace(font);
font.Dispose();
fontFamily.Dispose();
fontCollection.Dispose();
}
public static Font GetFont(Typeface typeface)
{
var fontFamily = typeface.FontFamily;
var fontCollection = GetOrAddFontCollection(fontFamily);
foreach (var familyName in fontFamily.FamilyNames)
{
if (fontCollection.FindFamilyName(familyName, out var index))
{
return(fontCollection.GetFontFamily(index).GetFirstMatchingFont(
(FontWeight)typeface.Weight,
FontStretch.Normal,
(FontStyle)typeface.Style));
}
}
InstalledFontCollection.FindFamilyName(FontFamily.Default.Name, out var i);
return(InstalledFontCollection.GetFontFamily(i).GetFirstMatchingFont(
(FontWeight)typeface.Weight,
FontStretch.Normal,
(FontStyle)typeface.Style));
}
public static Font GetFont(Typeface typeface)
{
var fontFamily = typeface.FontFamily;
var fontCollection = GetOrAddFontCollection(fontFamily);
int index;
foreach (var name in fontFamily.FamilyNames)
{
if (fontCollection.FindFamilyName(name, out index))
{
return(fontCollection.GetFontFamily(index).GetFirstMatchingFont(
(FontWeight)typeface.Weight,
(FontStretch)typeface.Stretch,
(FontStyle)typeface.Style));
}
}
InstalledFontCollection.FindFamilyName("Segoe UI", out index);
return(InstalledFontCollection.GetFontFamily(index).GetFirstMatchingFont(
(FontWeight)typeface.Weight,
(FontStretch)typeface.Stretch,
(FontStyle)typeface.Style));
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var page = doc.NewPage();
// Use Landscape orientation:
page.Landscape = true;
var g = page.Graphics;
// Some sample texts in Japanese, English and Arabic:
string text1 = "学校教育の「国語」で教えられる。";
string text2 = " flow direction. ";
string text3 = "النص العربي 12 + 34 = 46 مع الأرقام ";
// Init font cache and get the required fonts:
var fc = new FontCollection();
fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
var fYuMin = fc.FindFamilyName("Yu Mincho");
var fTimes = fc.FindFamilyName("Times New Roman");
var fArial = fc.FindFamilyName("Arial");
// Create text formats:
var tf1 = new TextFormat()
{
Font = fYuMin
};
var tf2 = new TextFormat()
{
Font = fTimes
};
var tf3 = new TextFormat()
{
Font = fArial
};
// Create TextLayout and set some options on it:
var tl = g.CreateTextLayout();
tl.FirstLineIndent = 36;
tl.TextAlignment = TextAlignment.Justified;
// This setting justifies the last line too:
tl.LastLineIsEndOfParagraph = false;
// Set all margins to 1":
tl.MarginAll = tl.Resolution;
tl.MaxWidth = page.Size.Width;
tl.MaxHeight = page.Size.Height;
// RTL layout:
tl.RightToLeft = false;
// Build a list of objects for the text to flow around:
tl.ObjectRects = new List <ObjectRect>()
{
new ObjectRect(540, 100, 120, 160),
new ObjectRect(100, 290, 170, 100),
new ObjectRect(500, 350, 170, 100)
};
// Fill corresponding rectangels on page so that we can see them:
foreach (var or in tl.ObjectRects)
{
g.FillRectangle(or.ToRectangleF(), Color.PaleVioletRed);
}
// Add text to layout:
for (int i = 0; i < 3; i++)
{
tl.Append(text1, tf1);
tl.Append("Horizontal Top To Bottom" + text2, tf2);
tl.AppendLine(text3, tf3);
}
// Perform and draw first layout:
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Red));
// Create 2nd layout - vertical rotated counter-clockwise:
var t = tl.ContentHeight;
tl.Clear();
tl.RotateSidewaysCounterclockwise = true;
tl.FlowDirection = FlowDirection.VerticalLeftToRight;
tl.MarginTop += t;
// Add text to layout:
for (int i = 0; i < 3; i++)
{
tl.Append(text1, tf1);
tl.Append("Vertical Left To Right" + text2, tf2);
tl.AppendLine(text3, tf3);
}
// Perform and draw second layout:
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Green));
// Create 3rd layout - vertical:
tl.Clear();
tl.FlowDirection = FlowDirection.VerticalRightToLeft;
tl.RotateSidewaysCounterclockwise = false;
// Add text to layout:
for (int i = 0; i < 3; i++)
{
tl.Append(text1, tf1);
tl.Append("Vertical Right To Left" + text2, tf2);
tl.AppendLine(text3, tf3);
}
// Perform and draw third layout:
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Blue));
// Done:
doc.Save(stream);
}
public void CreatePDF(Stream stream)
{
// Test string using EUDC codes and two regular chars (& and !): 0xE620 0xE621 0xE622 0xE624 & 0xE623 !
const string tstr = "&!";
// Set up:
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
var tf = new TextFormat()
{
FontSize = 20
};
var rc = Common.Util.AddNote(
"This sample demonstrates how to render private use Unicode characters (PUA) with custom EUDC fonts (.tte).\n" +
"A GrapeCity.Documents.Text.Font can be created from an EUDC .tte file, " +
"and linked to one or more fonts using Font.AddEudcFont() method.",
page);
const float dy = 36;
var ip = new PointF(rc.X, rc.Bottom + dy / 2);
// Use FontCollection to allow fetching fonts by family names:
var fc = new FontCollection();
// Assign the font collection to the graphics so that MeasureString/DrawString
// methods on the graphics can find fallback fonts:
g.FontCollection = fc;
// Register some regular fonts with the FontCollection:
fc.RegisterFont(Path.Combine("Resources", "Fonts", "arial.ttf"));
fc.RegisterFont(Path.Combine("Resources", "Fonts", "times.ttf"));
fc.RegisterFont(Path.Combine("Resources", "Fonts", "yumin.ttf"));
fc.RegisterFont(Path.Combine("Resources", "Fonts", "msgothic.ttc"));
fc.RegisterFont(Path.Combine("Resources", "Fonts", "YuGothR.ttc"));
// Tell the font collection to use Yu Mincho as a fallback:
fc.AppendFallbackFonts(fc.FindFamilyName("Yu Mincho"));
// Using Arial font renders the test string as empty rectangles, as suitable glyphs are not present in Arial:
tf.Font = fc.FindFamilyName("Arial", false, false);
g.DrawString($"Arial: {tstr} (no EUDC font has been linked yet)", tf, ip);
ip.Y += dy;
// Load two custome EUDC fonts:
var eudcF0 = Font.FromFile(Path.Combine("Resources", "Fonts", "Eudc0.tte"));
var eudcF1 = Font.FromFile(Path.Combine("Resources", "Fonts", "Eudc1.tte"));
// Link one EUDC font to Arial - now in strings rendered with Arial, EUDC chars will be looked up in this font:
var font = fc.FindFamilyName("Arial");
font.AddEudcFont(eudcF0);
// Ditto for Yu Mincho font:
font = fc.FindFamilyName("Yu Mincho");
font.AddEudcFont(eudcF0);
// Link another EUDC font to Yu Gothic:
font = fc.FindFamilyName("Yu Gothic");
font.AddEudcFont(eudcF1);
// Render strings with EUDC chars using fonts to which our custom EUDC font is linked:
tf.Font = fc.FindFamilyName("Arial", false, false);
g.DrawString($"Arial, linked with Eudc0.tte: {tstr}", tf, ip);
ip.Y += dy;
tf.Font = fc.FindFileName("times.ttf");
g.DrawString($"Times, fallback via Yu Mincho: {tstr}", tf, ip);
ip.Y += dy;
tf.Font = fc.FindFamilyName("MS Gothic");
g.DrawString($"MS Gothic, fallback via Yu Mincho: {tstr}", tf, ip);
ip.Y += dy;
tf.Font = fc.FindFamilyName("Yu Gothic");
g.DrawString($"Yu Gothic, linked with Eudc1.tte: {tstr}", tf, ip);
ip.Y += dy;
// FontCollection adds some services (like font lookup by family name),
// but EUDC fonts can be linked to fonts that are not in a collection:
font = Font.FromFile(Path.Combine("Resources", "Fonts", "Gabriola.ttf"));
font.AddEudcFont(eudcF0);
tf.Font = font;
g.DrawString($"Gabriola Font, linked with Eudc0.tte: {tstr}", tf, ip);
ip.Y += dy;
// Done:
doc.Save(stream);
}
public void CreatePDF(Stream stream)
{
// Function to generate sample text quoting its formatting options:
Func <TextFormat, string> makeSampleText = (tf_) =>
{
string boldItalic = string.Empty;
if (tf_.Font.FontBold)
{
boldItalic = "bold ";
}
if (tf_.Font.FontItalic)
{
boldItalic += "italic ";
}
if (boldItalic == string.Empty)
{
boldItalic = "normal ";
}
return($"This is {boldItalic}text drawn using font '{tf_.Font.FullFontName}', font size {tf_.FontSize} points, " +
$"text color {tf_.ForeColor}, background color {tf_.BackColor}. ");
};
// Font names:
const string times = "times new roman";
const string arial = "arial";
// Create document and text layout:
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
var tl = g.CreateTextLayout();
// Use TextLayout to layout the whole page and maintain margins:
tl.MaxHeight = page.Size.Height;
tl.MaxWidth = page.Size.Width;
tl.MarginAll = 72;
// Get some fonts:
var fc = new FontCollection();
fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
var fTimes = fc.FindFamilyName(times, false, false);
var fTimesBold = fc.FindFamilyName(times, true, false);
var fTimesItalic = fc.FindFamilyName(times, false, true);
var fTimesBoldItalic = fc.FindFamilyName(times, true, true);
var fArial = fc.FindFamilyName(arial, false, false);
// Add text to TextLayout using different fonts and font sizes:
TextFormat tf = new TextFormat()
{
Font = fTimes, FontSize = 12,
};
tl.Append(makeSampleText(tf), tf);
tf.Font = fTimesBold;
tf.FontSize += 2;
tl.Append(makeSampleText(tf), tf);
tf.Font = fTimesItalic;
tf.FontSize += 2;
tl.Append(makeSampleText(tf), tf);
tf.Font = fTimesBoldItalic;
tf.FontSize += 2;
tl.Append(makeSampleText(tf), tf);
tf.Font = fArial;
tf.FontSize += 2;
tl.Append(makeSampleText(tf), tf);
// Add text with different foreground and background colors:
tf.Font = fTimesBold;
tf.ForeColor = Color.Tomato;
tl.Append(makeSampleText(tf), tf);
tf.Font = fTimesBoldItalic;
tf.FontSize = 16;
tf.ForeColor = Color.SlateBlue;
tf.BackColor = Color.Orange;
tl.Append(makeSampleText(tf), tf);
// Finish with plain black on transparent again:
tl.Append("The end.", new TextFormat()
{
Font = fTimes, FontSize = 14,
});
// Layout and draw text:
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
// Done:
doc.Save(stream);
}
public override BuiltRichText BuildText(IList <RichTextNode> nodes, int width, float sizeMultiplier = 1)
{
if (!customLoader.Valid)
{
CreateCustomCollection();
}
var paragraphs = new List <List <RichTextNode> >();
paragraphs.Add(new List <RichTextNode>());
int first = 0;
while (nodes[first] is RichTextParagraphNode && first < nodes.Count)
{
first++;
}
DWrite.TextAlignment ta = CastAlignment((nodes[first] as RichTextTextNode).Alignment);
paragraphs[paragraphs.Count - 1].Add(nodes[first]);
foreach (var node in nodes.Skip(first + 1))
{
if (node is RichTextParagraphNode)
{
paragraphs.Add(new List <RichTextNode>());
}
else
{
var n = (RichTextTextNode)node;
var align = CastAlignment(n.Alignment);
if (align != ta && paragraphs[paragraphs.Count - 1].Count > 0)
{
paragraphs.Add(new List <RichTextNode>());
}
paragraphs[paragraphs.Count - 1].Add(node);
ta = align;
}
}
string lastFont = null;
float lastSize = 0;
//Format text
var layouts = new List <TextLayout>();
for (int j = 0; j < paragraphs.Count; j++)
{
var p = paragraphs[j];
var builder = new StringBuilder();
foreach (var n in p)
{
builder.Append(((RichTextTextNode)n).Contents);
}
var layout = new TextLayout(
dwFactory,
builder.ToString(),
new TextFormat(
dwFactory,
string.IsNullOrEmpty(lastFont) ? "Arial" : lastFont,
lastSize > 0 ? lastSize : (16 * sizeMultiplier)
),
width,
float.MaxValue
);
if (p.Count > 0)
{
layout.TextAlignment = CastAlignment(((RichTextTextNode)p[0]).Alignment);
}
int startIdx = 0;
foreach (var n in p)
{
var text = (RichTextTextNode)n;
var range = new TextRange(startIdx, text.Contents.Length);
if (text.Bold)
{
layout.SetFontWeight(FontWeight.Bold, range);
}
if (text.Italic)
{
layout.SetFontStyle(FontStyle.Italic, range);
}
if (text.Underline)
{
layout.SetUnderline(true, range);
}
if (!string.IsNullOrEmpty(text.FontName))
{
if (customCollection.FindFamilyName(text.FontName, out int _))
{
layout.SetFontCollection(customCollection, range);
}
layout.SetFontFamilyName(text.FontName, range);
lastFont = text.FontName;
}
if (text.FontSize > 0)
{
layout.SetFontSize(text.FontSize * sizeMultiplier, range);
lastSize = text.FontSize * sizeMultiplier;
}
layout.SetDrawingEffect(new ColorDrawingEffect(text.Color, text.Shadow), range);
startIdx += text.Contents.Length;
}
layouts.Add(layout);
}
//Return
var built = new DirectWriteBuiltText(this)
{
Layout = layouts, Width = width
};
built.CacheQuads();
return(built);
}
