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)
{
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
// As in the Surrogates sample, we specify a standard font
// (which lacks many of the glyphs we will be rendering),
// and will rely on font fallback support provided by FontCollection:
var font = StandardFonts.Helvetica;
// Set up text formats for captions, "interesting chars" and spacing:
TextFormat tf = new TextFormat()
{
Font = font, FontSize = 12
};
TextFormat tf1 = new TextFormat(tf)
{
FontSize = 14
};
TextFormat tfs = new TextFormat(tf)
{
FontSize = 6
};
// Create a font collection to use:
FontCollection fc = new FontCollection();
// Add our own fallback fonts to use (note that order is imortant here,
// first come first found):
fc.AppendFallbackFonts(
Font.FromFile(Path.Combine("Resources", "Fonts", "arialuni.ttf")),
Font.FromFile(Path.Combine("Resources", "Fonts", "l_10646.ttf")),
Font.FromFile(Path.Combine("Resources", "Fonts", "seguiemj.ttf")),
Font.FromFile(Path.Combine("Resources", "Fonts", "seguisym.ttf")),
Font.FromFile(Path.Combine("Resources", "Fonts", "simsun.ttc")),
Font.FromFile(Path.Combine("Resources", "Fonts", "times.ttf")),
Font.FromFile(Path.Combine("Resources", "Fonts", "YuGothR.ttc"))
);
// Restricting default font lookup is done in the TextLayout, so unlike the
// {Surrogates} sample, here we cannot use DrawString, but must use
// TextLayout and DrawTextLayout directly:
// - specify the font collection to use;
// - restrict default fonts/fallbacks lookup to the specified collection only;
// - set up other props to render the text.
TextLayout tl = new TextLayout(72)
{
FontCollection = fc,
RestrictedFontLookup = true,
FontFallbackScope = FontFallbackScope.FontCollectionOnly,
MaxWidth = page.Size.Width,
MaxHeight = page.Size.Height,
MarginLeft = 72,
MarginRight = 72,
MarginTop = 36,
MarginBottom = 36,
TextAlignment = TextAlignment.Center,
};
tl.Append("Some Interesting Unicode Characters (system-independent)",
new TextFormat(tf)
{
Underline = true, FontSize = tf.FontSize + 2
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
tl.MarginTop = tl.ContentRectangle.Bottom + 20;
tl.Clear();
tl.TextAlignment = TextAlignment.Leading;
// Draw the strings:
tl.Append("Surrogate Pairs:\n", tf);
tl.Append("\uD867\uDEDB \uD840\uDC0B \uD834\uDD1E \uD834\uDD61 \uD83D\uDC04\n", tf1);
tl.Append("\n", tfs);
tl.Append("Currency Symbols:\n", tf);
tl.Append("\u0024 \u20A0 \u20A1 \u20A2 \u20A3 \u20A4 \u20AC \u20B9 \x20BD\n", tf1);
tl.Append("\n", tfs);
tl.Append("Mathematical Operators:\n", tf);
tl.Append("\u221A \u222B \u2211 \u2210 \u2264 \u2265 \u2202 \u2208\n", tf1);
tl.Append("\n", tfs);
tl.Append("CJK Ideographs Extension A:\n", tf);
tl.Append("\u3400 \u3401 \u3402 \u3403 \u3404 \u3405 \u3406 \u3407\n", tf1);
tl.Append("\n", tfs);
tl.Append("Letterlike Symbols:\n", tf);
tl.Append("\u2110 \u2111 \u2112 \u2113 \u2114 \u2115 \u211B \u211C\n", tf1);
tl.Append("\n", tfs);
tl.Append("Private Use Area:\n", tf);
tl.Append("\uE000 \uE001 \uE010 \uE011 \uE012 \uE013 \uE014 \uE015\n", tf1);
tl.Append("\n", tfs);
tl.Append("Arrows:\n", tf);
tl.Append("\u2190 \u2191 \u2192 \u2193 \u21B0 \u21E6 \u21CB \u21A9\n", tf1);
tl.Append("\n", tfs);
tl.Append("Dingbats:\n", tf);
tl.Append("\u2714 \u2717 \u275B \u275C \u2706 \u2707 \u2708 \u2709\n", tf1);
tl.Append("\n", tfs);
tl.Append("Braille Patterns:\n", tf);
tl.Append("\u2830 \u2831 \u2832 \u2833 \u2834 \u2835 \u2836 \u2837\n", tf1);
tl.Append("\n", tfs);
tl.Append("Geometric Shapes:\n", tf);
tl.Append("\u25D0 \u25D1 \u25D2 \u25D3 \u25A4 \u25F0 \u25BC \u25CE\n", tf1);
tl.Append("\n", tfs);
tl.Append("Latin Extended A:\n", tf);
tl.Append("\u0100 \u0101 \u0102 \u0103 \u0104 \u0105 \u0106 \u0107\n", tf1);
tl.Append("\n", tfs);
tl.Append("Miscellaneous Symbols:\n", tf);
tl.Append("\u2600 \u2601 \u2602 \u2603 \u2604 \u2605 \u2606 \u2607 \u2608 \u2609 \u2614 \u2615 \u26F0\n", tf1);
tl.Append("\n", tfs);
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
// Done:
doc.Save(stream);
}
