public int CreatePDF(Stream stream)
{
const int NPAR = 40;
var doc = new GcPdfDocument();
var tl = new TextLayout(72)
{
FirstLineIndent = 72 / 2,
MaxWidth = doc.PageSize.Width,
MaxHeight = doc.PageSize.Height,
MarginAll = 72,
};
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 12;
// Text format for paragraphs kept together with next one:
var tf = new TextFormat(tl.DefaultFormat)
{
FontSize = tl.DefaultFormat.FontSize + 2,
FontBold = true
};
// We add a number of random 'lorem ipsum' paragraphs to this document,
// adding a 'caption' before each paragraph which is kept together
// with the following 'lorem ipsum' paragraph:
for (int i = 0; i < NPAR; i++)
{
// 'Caption' kept together with the next paragraph:
tl.Append("Caption kept together with the next paragraph. No page break after this.", tf);
// AppendParagraphBreak adds a paragraph break but prevents a page break between the two paragraphs:
tl.AppendParagraphBreak();
// Random paragraph after 'caption':
tl.Append(Common.Util.LoremIpsum(1));
}
tl.PerformLayout(true);
// We force all paragraph lines to stay on the same page,
// this makes it more obvious that 'caption' and following paragraph
// are kept on the same page:
TextSplitOptions to = new TextSplitOptions(tl)
{
KeepParagraphLinesTogether = true,
};
// In a loop, split and render the text:
while (true)
{
// 'rest' will accept the text that did not fit:
var splitResult = tl.Split(to, out TextLayout rest);
doc.Pages.Add().Graphics.DrawTextLayout(tl, PointF.Empty);
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
}
// Done:
doc.Save(stream);
return(doc.Pages.Count);
}
public void Chat()
{
var layout = new TextLayout(645, 400, 25);
layout.Append(_rasterizer, Regular("ナイトハルト：\"パンモロ"));
layout.Append(_rasterizer, Regular("\"より\"はいてない"));
layout.Append(_rasterizer, Regular("\"の方がいいだろ？ それと同じことさ"));
Assert.Equal(2, layout.Lines.Length);
}
public int CreatePDF(Stream stream)
{
// Number of pages to generate:
const int N = Common.Util.LargeDocumentIterations;
var doc = new GcPdfDocument();
// Start creating the document by this call:
doc.StartDoc(stream);
// Prep a TextLayout to hold/format the text:
var tl = new TextLayout(72)
{
MaxWidth = doc.PageSize.Width,
MaxHeight = doc.PageSize.Height,
MarginAll = 72,
};
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 12;
// Start with a title page:
tl.FirstLineIndent = 0;
var fnt = Font.FromFile(Path.Combine("Resources", "Fonts", "yumin.ttf"));
var tf0 = new TextFormat()
{
FontSize = 24, FontBold = true, Font = fnt
};
tl.Append(string.Format("Large Document\n{0} Pages of Lorem Ipsum\n\n", N), tf0);
var tf1 = new TextFormat(tf0)
{
FontSize = 14, FontItalic = true
};
tl.Append(string.Format("Generated on {0}.", DateTime.Now), tf1);
tl.TextAlignment = TextAlignment.Center;
tl.PerformLayout(true);
doc.Pages.Add().Graphics.DrawTextLayout(tl, PointF.Empty);
tl.Clear();
tl.FirstLineIndent = 36;
tl.TextAlignment = TextAlignment.Leading;
// Generate the document:
for (int pageIdx = 0; pageIdx < N; ++pageIdx)
{
tl.Append(Common.Util.LoremIpsum(1));
tl.PerformLayout(true);
doc.NewPage().Graphics.DrawTextLayout(tl, PointF.Empty);
tl.Clear();
}
// NOTE: Certain operations (e.g. the one below) will throw an error when using StartDoc/EndDoc:
// doc.Pages.Insert(0);
//
// Done - call EndDoc instead of Save():
doc.EndDoc();
return(doc.Pages.Count);
}
// Creates a sample document with 100 pages of 'lorem ipsum':
private string MakeDocumentToIndex()
{
const int N = 100;
string tfile = Path.GetTempFileName();
using (var fsOut = new FileStream(tfile, FileMode.Open, FileAccess.ReadWrite))
{
var tdoc = new GcPdfDocument();
// See StartEndDoc for details on StartDoc/EndDoc mode:
tdoc.StartDoc(fsOut);
// Prep a TextLayout to hold/format the text:
var tl = new TextLayout(72);
tl.FontCollection = _fc;
tl.DefaultFormat.FontName = _fontFamily;
tl.DefaultFormat.FontSize = 12;
// Use TextLayout to layout the whole page including margins:
tl.MaxHeight = tdoc.PageSize.Height;
tl.MaxWidth = tdoc.PageSize.Width;
tl.MarginAll = 72;
tl.FirstLineIndent = 72 / 2;
// Generate the document:
for (int pageIdx = 0; pageIdx < N; ++pageIdx)
{
tl.Append(Common.Util.LoremIpsum(1));
tl.PerformLayout(true);
tdoc.NewPage().Graphics.DrawTextLayout(tl, PointF.Empty);
tl.Clear();
}
tdoc.EndDoc();
}
return(tfile);
}
private Task <GcBitmap> LayerTexts(GcBitmap bmp, List <TextElement> textElements)
{
var g = bmp.CreateGraphics();
foreach (var item in textElements)
{
var jsonStringProduct = JsonConvert.SerializeObject(product);
TextLayout tl = g.CreateTextLayout();
tl.DefaultFormat.FontSize = item.FontSize;
tl.DefaultFormat.FontBold = item.isBold;
tl.DefaultFormat.FontItalic = item.IsItalic;
tl.DefaultFormat.UprightInVerticalText = item.isVertical;
tl.MaxWidth = item.Width;
tl.MaxHeight = item.Height;
tl.WrapMode = WrapMode.WordWrap;
tl.DefaultFormat.ForeColor = Color.FromName(item.Color);
if (!string.IsNullOrEmpty(item.BackgroundColor))
{
tl.DefaultFormat.BackColor = Color.FromName(item.BackgroundColor);
}
tl.DefaultFormat.Underline = item.isUnderLine;
tl.DefaultFormat.Font = Font.FromFile(Path.Combine("Resources", "Fonts", $"{ item.FontFamily }.ttf"));
tl.Append(BuildDynamicText(jsonStringProduct, item.Text));
tl.TextAlignment = TextAlignment.Justified;
g.DrawTextLayout(tl, new PointF(item.X, item.Y));
}
//Save the image rendering different shapes
return(Task.FromResult(bmp));
}
private RectangleF DrawText(string text, TextStyle ts)
{
var page = CurrPage;
TextLayout tl = page.Graphics.CreateTextLayout();
tl.MaxWidth = page.Size.Width - MarginRight - _ip.X;
if (ts.FontSize == TsTitle.FontSize) // patch
{
tl.TextAlignment = TextAlignment.Center;
}
tl.DefaultFormat.Font = ts.Font;
tl.DefaultFormat.FontSize = ts.FontSize;
tl.DefaultFormat.GlyphAdvanceFactor = ts.GlyphAdvanceFactor;
tl.DefaultFormat.ForeColor = ts.ForeColor;
tl.Append(text);
tl.PerformLayout(true);
var line = tl.Lines[tl.Lines.Count - 1];
var run = line.GlyphRuns[0];
var baselineOffset = run.BaselineOffset;
var p = _lastBaselineOffset.HasValue ?
new PointF(_ip.X, _ip.Y + _lastBaselineOffset.Value - baselineOffset) : _ip;
page.Graphics.DrawTextLayout(tl, p);
if (!_lastBaselineOffset.HasValue)
{
_lastBaselineOffset = baselineOffset; // within one 'line', keep using the first offset
}
return(new RectangleF(_ip.X + tl.ContentX, _ip.Y + tl.ContentY, tl.ContentWidth, tl.ContentHeight));
}
public void CreatePDF(Stream stream)
{
// Rotation angle, degrees clockwise:
float angle = -45;
//
var doc = new GcPdfDocument();
var g = doc.NewPage().Graphics;
// Create a text layout, pick a font and font size:
TextLayout tl = g.CreateTextLayout();
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 24;
// Add a text, and perform layout:
tl.Append("Rotated text.");
tl.PerformLayout(true);
// Text insertion point at (1",1"):
var ip = new PointF(72, 72);
// Now that we have text size, create text rectangle with top left at insertion point:
var rect = new RectangleF(ip.X, ip.Y, tl.ContentWidth, tl.ContentHeight);
// Rotate the text around its bounding rect's center:
// we now have the text size, and can rotate it about its center:
g.Transform = Matrix3x2.CreateRotation((float)(angle * Math.PI) / 180f, new Vector2(ip.X + tl.ContentWidth / 2, ip.Y + tl.ContentHeight / 2));
// Draw rotated text and bounding rectangle:
g.DrawTextLayout(tl, ip);
g.DrawRectangle(rect, Color.Black, 1);
// Remove rotation and draw the bounding rectangle where the non-rotated text would have been:
g.Transform = Matrix3x2.Identity;
g.DrawRectangle(rect, Color.ForestGreen, 1);
//
doc.Save(stream);
}
public int CreatePDF(Stream stream)
{
// Number of pages to generate:
const int N = Common.Util.LargeDocumentIterations;
var start = DateTime.Now;
var doc = new GcPdfDocument();
// Prep a TextLayout to hold/format the text:
var tl = new TextLayout(72)
{
MaxWidth = doc.PageSize.Width,
MaxHeight = doc.PageSize.Height,
MarginAll = 72,
FirstLineIndent = 36,
};
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 12;
// Generate the document:
for (int pageIdx = 0; pageIdx < N; ++pageIdx)
{
tl.Append(Common.Util.LoremIpsum(1));
tl.PerformLayout(true);
doc.NewPage().Graphics.DrawTextLayout(tl, PointF.Empty);
tl.Clear();
}
// Insert a title page (cannot be done if using StartDoc/EndDoc):
tl.FirstLineIndent = 0;
var fnt = Font.FromFile(Path.Combine("Resources", "Fonts", "yumin.ttf"));
var tf0 = new TextFormat()
{
Font = fnt, FontSize = 24, FontBold = true
};
tl.Append(string.Format("Large Document\n{0} Pages of Lorem Ipsum\n\n", N), tf0);
var tf1 = new TextFormat(tf0)
{
FontSize = 14, FontItalic = true
};
tl.Append(string.Format("Generated on {0} in {1:m\\m\\ s\\s\\ fff\\m\\s}.", DateTime.Now, DateTime.Now - start), tf1);
tl.TextAlignment = TextAlignment.Center;
tl.PerformLayout(true);
doc.Pages.Insert(0).Graphics.DrawTextLayout(tl, PointF.Empty);
// Done:
doc.Save(stream);
return(doc.Pages.Count);
}
// Static ctor:
static GoodsReturnForm()
{
// Init Textbox:
TextLayout tl = new TextLayout(72);
tl.Append("Qwerty");
tl.DefaultFormat.Font = Textbox.Font;
tl.DefaultFormat.FontSize = Textbox.FontSize;
tl.PerformLayout(true);
Textbox.Height = tl.ContentHeight;
Textbox.BaselineOffset = tl.Lines[0].GlyphRuns[0].BaselineOffset;
// Init Checkbox:
tl.Clear();
tl.Append("Qwerty");
tl.DefaultFormat.Font = Checkbox.Font;
tl.DefaultFormat.FontSize = Checkbox.FontSize;
tl.PerformLayout(true);
Checkbox.Height = tl.ContentHeight;
Checkbox.BaselineOffset = tl.Lines[0].GlyphRuns[0].BaselineOffset;
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
// Use TextLayout to render text:
var tl = new TextLayout(72);
// If not specifying formats for individual runs, we MUST provide
// font and font size on TextLayout.DefaultFormat:
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 12;
// First line offset 1/2":
tl.FirstLineIndent = 72 / 2;
//
// All other formatting properties are left at their default values.
// In particular, TextLayout's default resolution is 72 dpi -
// the same as GcPdf's, and WordWrap is true.
//
// Set TextLayout's area to the whole page:
tl.MaxWidth = doc.PageSize.Width;
tl.MaxHeight = doc.PageSize.Height;
// ...and have it manage the page margins (1" all around):
tl.MarginAll = tl.Resolution;
//
// Append the text (20 paragraphs so they would not fit on a single page)
// (note that TextLayout interprets "\r\n" as paragraph delimiter):
tl.Append(Common.Util.LoremIpsum(20));
//
// When all text has been added, we must calculate the glyphs needed to render the text,
// and perform the layout. This can be done by a single call to PerformLayout, passing true to
// recalculate glyphs first (even though the text won't all fit in the specified max size,
// we only need to call PerformLayout once):
tl.PerformLayout(true);
// Use split options to provide widow/orphan control:
TextSplitOptions to = new TextSplitOptions(tl);
to.MinLinesInFirstParagraph = 2;
to.MinLinesInLastParagraph = 2;
// In a loop, split and render the text:
while (true)
{
// 'rest' will accept the text that did not fit:
var splitResult = tl.Split(to, out TextLayout rest);
doc.Pages.Add().Graphics.DrawTextLayout(tl, PointF.Empty);
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
}
// Done:
doc.Save(stream);
}
// Main entry point:
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var ip = new PointF(Layout.Margin, Layout.Margin);
// Use TextLayout.MarginLeft to reserve space for list numbers/bullets:
var tl = new TextLayout(72)
{
MaxWidth = doc.PageSize.Width - Layout.Margin * 2,
MaxHeight = doc.PageSize.Height - Layout.Margin * 2,
ParagraphSpacing = 8,
MarginLeft = Layout.ListOffset,
};
tl.DefaultFormat.Font = StandardFonts.Times;
// Add 20 paragraphs of text that will render as a numbered list of 20 items:
tl.Append(Common.Util.LoremIpsum(20, 1, 6));
// Perform layout:
tl.PerformLayout(true);
// Use split options to provide widow/orphan control:
TextSplitOptions to = new TextSplitOptions(tl);
to.MinLinesInFirstParagraph = 2;
to.MinLinesInLastParagraph = 2;
// In a loop, split and render the text (see PaginatedText),
// and add list numbers:
int itemNo = 1;
while (true)
{
// 'rest' will accept the text that did not fit:
var splitResult = tl.Split(to, out TextLayout rest);
var g = doc.Pages.Add().Graphics;
g.DrawTextLayout(tl, ip);
AddBullets(g, ip, tl, ref itemNo);
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
}
// Done:
doc.Save(stream);
}
// Renders a list of nodes as a numbered list.
private PointF RenderNodes(ref Page page, PointF pt, List <Node> nodes, int level)
{
TextLayout tlBullet = new TextLayout(72);
tlBullet.DefaultFormat.Font = StandardFonts.Times;
tlBullet.MarginLeft = Layout.ListIndent * level;
TextLayout tlText = new TextLayout(72);
tlText.DefaultFormat.Font = StandardFonts.Times;
tlText.MarginLeft = Layout.ListOffset + Layout.ListIndent * level;
for (int i = 0; i < nodes.Count; ++i)
{
var g = page.Graphics;
// Prep item text:
tlText.Clear();
tlText.Append(nodes[i].Text);
tlText.PerformLayout(true);
if (pt.Y + tlText.ContentHeight > page.Size.Height - Layout.Margin)
{
page = page.Doc.NewPage();
g = page.Graphics;
pt.Y = Layout.Margin;
}
// Prep item number:
tlBullet.Clear();
tlBullet.Append(ItemIdxToString(i, level, tlBullet));
tlBullet.PerformLayout(true);
// Render item:
g.DrawTextLayout(tlBullet, pt);
g.DrawTextLayout(tlText, pt);
// Advance insertion point:
pt.Y += tlText.ContentHeight;
// Render children:
if (nodes[i].Children.Count > 0)
{
pt = RenderNodes(ref page, pt, nodes[i].Children, level + 1);
}
}
return(pt);
}
public void CreatePDF(Stream stream)
{
// Rotation angle, degrees clockwise:
float angle = -45;
//
var doc = new GcPdfDocument();
var g = doc.NewPage().Graphics;
// Create a text layout, pick a font and font size:
TextLayout tl = g.CreateTextLayout();
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 24;
// Add a text, and perform layout:
tl.Append("Rotated text.");
tl.PerformLayout(true);
// Text insertion point at (1",1"):
var ip = new PointF(72, 72);
// Now that we have text size, create text rectangle with top left at insertion point:
var rect = new RectangleF(ip.X, ip.Y, tl.ContentWidth, tl.ContentHeight);
// Rotation center point in the middel of text bounding rectangle:
var center = new PointF(ip.X + tl.ContentWidth / 2, ip.Y + tl.ContentHeight / 2);
// Transformations can be combined by multiplying matrices.
// Note that matrix multiplication is not commutative -
// the sequence of operands is important, and is applied from last to first
// matrices being multiplied:
// 3) Translate the origin back to (0,0):
// 2) Rotate around new origin by the specified angle:
// 1) Translate the origin from default (0,0) to rotation center:
g.Transform =
Matrix3x2.CreateTranslation(-center.X, -center.Y) *
Matrix3x2.CreateRotation((float)(angle * Math.PI) / 180f) *
Matrix3x2.CreateTranslation(center.X, center.Y);
// Draw rotated text and bounding rectangle:
g.DrawTextLayout(tl, ip);
g.DrawRectangle(rect, Color.Black, 1);
// Remove transformation and draw the bounding rectangle where the non-rotated text would have been:
g.Transform = Matrix3x2.Identity;
g.DrawRectangle(rect, Color.ForestGreen, 1);
// Done:
doc.Save(stream);
}
// Method drawing a language's caption and test text:
private void DrawText(string caption, string text, Font font, bool rtl)
{
_captionLayout.Clear();
_captionLayout.Append(caption);
_captionLayout.PerformLayout(true);
_textLayout.Clear();
_textLayout.DefaultFormat.Font = font;
_textLayout.RightToLeft = rtl;
_textLayout.Append(text);
_textLayout.PerformLayout(true);
// Add new page if needed:
GcGraphics g;
if (_doc.Pages.Count == 0 || _ipY + tlHeight(_captionLayout) + tlHeight(_textLayout) + c_CaptionToText > _doc.PageSize.Height - c_Margin)
{
_ipY = c_Margin;
g = _doc.Pages.Add().Graphics;
}
else
{
g = _doc.Pages.Last.Graphics;
}
// Draw caption:
g.FillRectangle(new RectangleF(c_Margin, _ipY, _captionLayout.MaxWidth.Value, tlHeight(_captionLayout)), Color.SteelBlue);
g.DrawTextLayout(_captionLayout, new PointF(c_Margin, _ipY));
_ipY += tlHeight(_captionLayout);
_ipY += c_CaptionToText;
// Draw test text:
g.DrawRectangle(new RectangleF(c_Margin, _ipY, _textLayout.MaxWidth.Value, tlHeight(_textLayout)), Color.LightSteelBlue, 0.5f);
g.DrawTextLayout(_textLayout, new PointF(c_Margin, _ipY));
_ipY += tlHeight(_textLayout);
_ipY += c_TextToCaption;
return;
float tlHeight(TextLayout tl)
{
return(tl.MarginTop + tl.ContentHeight + tl.MarginBottom);
}
}
// Utility method to draw a part of a page header or footer.
// Parameters:
// - text: The part's text.
// - tf: The text format to use.
// - pageIdx: The page index.
// - header: True if this is a header, false if a footer.
// - horzAlign: Horizontal alignment (left/center/right).
private void RenderHeader(string text, TextFormat tf, int pageIdx, bool header, TextAlignment horzAlign)
{
var page = _doc.Pages[pageIdx];
TextLayout tl = new TextLayout(page.Graphics.Resolution);
tl.MaxWidth = page.Size.Width;
tl.MaxHeight = page.Size.Height;
// 1" margins, adjust as needed:
tl.MarginLeft = tl.MarginRight = 72;
// 1/3" spacing above top/below bottom header, adjust as needed:
tl.MarginTop = tl.MarginBottom = 72 / 3;
// Vertical alignment:
tl.ParagraphAlignment = header ? ParagraphAlignment.Near : ParagraphAlignment.Far;
// Horizontal alignment:
tl.TextAlignment = horzAlign;
tl.Append(text, tf);
// NOTE: if some part of a header or footer is static, we could cache the corresponding TextLayout
// object and save some cycles by just drawing that cached TextLayout on each page w/out anything else:
tl.PerformLayout(true);
// Draw the header at (0,0) (header located by margins and alignment):
page.Graphics.DrawTextLayout(tl, PointF.Empty);
}
// Replaces any text fields in the document with regular text:
private void FlattenDoc(GcPdfDocument doc)
{
foreach (var f in doc.AcroForm.Fields)
{
if (f is TextField fld)
{
var w = fld.Widget;
var g = w.Page.Graphics;
_inputTl.Clear();
_inputTl.Append(fld.Value, _inputTf);
_inputTl.MaxHeight = w.Rect.Height;
_inputTl.PerformLayout(true);
g.DrawTextLayout(_inputTl, w.Rect.Location);
}
}
for (int i = doc.AcroForm.Fields.Count - 1; i >= 0; --i)
{
if (doc.AcroForm.Fields[i] is TextField)
{
doc.AcroForm.Fields.RemoveAt(i);
}
}
}
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);
}
public void CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
// The original file stream must be kept open while working with the loaded PDF, see LoadPDF for details:
using (var fs = new FileStream(Path.Combine("Resources", "PDFs", "FormFields.pdf"), FileMode.Open, FileAccess.Read))
{
doc.Load(fs);
var page = doc.Pages.Last;
StringBuilder sb = new StringBuilder();
sb.AppendLine("Log of updates made by the FillForm sample:\r\n");
foreach (Field fld in doc.AcroForm.Fields)
{
if (fld is CombTextField ctfld)
{
sb.Append($"CombTextField.Value was '{ctfld.Value}', ");
ctfld.Value = "Comb text";
sb.AppendLine($"now '{ctfld.Value}'.");
}
else if (fld is TextField tfld)
{
sb.Append($"TextField.Value was '{tfld.Value}', ");
tfld.Value = $"Text updated on {DateTime.Now}";
sb.AppendLine($"now '{tfld.Value}'.");
}
else if (fld is CheckBoxField cfld)
{
sb.Append($"CheckBoxField.Value was '{cfld.Value}', ");
cfld.Value = !cfld.Value;
sb.AppendLine($"now '{cfld.Value}'.");
}
else if (fld is RadioButtonField rbfld)
{
sb.Append($"RadioButtonField.Value was '{rbfld.Value}', ");
rbfld.Value = rbfld.Widgets.Count - 1;
sb.AppendLine($"now '{rbfld.Value}'.");
}
else if (fld is ComboBoxField cmbfld)
{
sb.Append($"ComboBoxField selection was '{cmbfld.Items[cmbfld.SelectedIndex].Text}', ");
cmbfld.SelectedIndex = cmbfld.Items.Count - 1;
sb.AppendLine($"now '{cmbfld.Items[cmbfld.SelectedIndex].Text}'.");
}
else if (fld is ListBoxField lbfld)
{
sb.Append($"ListBoxField selection was '{lbfld.Items[lbfld.SelectedIndex].Text}', ");
lbfld.SelectedIndex = lbfld.Items.Count - 1;
sb.AppendLine($"now '{lbfld.Items[lbfld.SelectedIndex].Text}'.");
}
else if (fld is SignatureField sfld)
{
sb.AppendLine("SignatureField found.");
}
else if (fld is PushButtonField btnfld)
{
sb.AppendLine($"PushButtonField '{btnfld.Widget.ButtonAppearance.Caption}' found.");
}
else
{
sb.AppendLine($"Field '{fld}' found/");
}
}
// Add a log of what we did at the bottom of the page:
var tl = new TextLayout(72)
{
MaxWidth = page.Size.Width,
MaxHeight = page.Size.Height,
MarginLeft = 80,
MarginRight = 80,
MarginBottom = 80,
ParagraphAlignment = ParagraphAlignment.Far
};
tl.Append(sb.ToString(), new TextFormat()
{
Font = StandardFonts.Times, FontSize = 12
});
tl.PerformLayout(true);
var rc = tl.ContentRectangle;
rc.Inflate(8, 8);
page.Graphics.FillRectangle(rc, Color.LightYellow);
page.Graphics.DrawRectangle(rc, Color.Orange);
page.Graphics.DrawTextLayout(tl, PointF.Empty);
// Done:
doc.Save(stream);
}
}
public int CreatePDF(Stream stream)
{
using (var clouds = Image.FromFile(Path.Combine("Resources", "Images", "clouds.jpg")))
using (var firth = Image.FromFile(Path.Combine("Resources", "Images", "firth.jpg")))
using (var lavender = Image.FromFile(Path.Combine("Resources", "Images", "lavender.jpg")))
{
var yumin = Font.FromFile(Path.Combine("Resources", "Fonts", "yumin.ttf"));
var ia = new ImageAlign(ImageAlignHorz.Left, ImageAlignVert.Top, true, true, true, false, false);
var doc = new GcPdfDocument();
// The TextLayout that will hold and render the text:
var tl = new TextLayout(72);
tl.FirstLineIndent = 18;
tl.ParagraphSpacing = 6;
tl.FlowDirection = FlowDirection.VerticalRightToLeft;
tl.TextAlignment = TextAlignment.Justified;
tl.AlignmentDelayToSplit = true;
var tf = new TextFormat()
{
Font = yumin, FontSize = 12
};
// Repeat test text to fill a few pages:
for (int i = 0; i < 25; ++i)
{
tl.Append(text, tf);
tl.AppendLine();
}
// Layout text in 4 horizontal columns:
// (The logic/code in this sample is identical to ArabicColumns):
const int NCOLS = 4;
var margin = 36f;
var gap = 18f;
var page = doc.NewPage();
page.Landscape = true;
var colHeight = (page.Size.Height - margin * 2 - gap * (NCOLS - 1)) / NCOLS;
tl.MaxWidth = page.Size.Width;
tl.MaxHeight = page.Size.Height;
tl.MarginLeft = tl.MarginRight = margin;
tl.MarginTop = margin;
tl.MarginBottom = margin + (colHeight + gap) * (NCOLS - 1);
// We can specify arbitrary rectangles for the text to flow around.
// In this case, we add 3 areas to draw some images:
tl.ObjectRects = new List <ObjectRect>()
{
new ObjectRect(page.Size.Width - margin - 267, margin, 267, 200),
new ObjectRect(margin + 100, margin + 60, 133, 100),
new ObjectRect(margin, page.Size.Height - margin - 301, 200, 301),
};
// Convert object rects to image areas, adjust to provide nice looking padding:
var rClouds = tl.ObjectRects[0].ToRectangleF();
rClouds.Inflate(-4, -3);
var rFirth = tl.ObjectRects[1].ToRectangleF();
rFirth.Inflate(-4, -3);
var rLavender = tl.ObjectRects[2].ToRectangleF();
rLavender.Inflate(-4, -3);
page.Graphics.DrawImage(clouds, rClouds, null, ia);
page.Graphics.DrawImage(firth, rFirth, null, ia);
page.Graphics.DrawImage(lavender, rLavender, null, ia);
// THE call: it calculates the glyphs needed to draw the text, and lays it out:
tl.PerformLayout(true);
// Loop while there is still text to render:
bool done = false;
while (!done)
{
for (int col = 0; col < NCOLS; ++col)
{
int nextcol = (col < NCOLS - 1) ? col + 1 : 0;
// TextSplitOptions tell TextLayout.Split() how to layout the remaining text.
// In this case we advance from column to column by updating top and bottom margins:
var tso = new TextSplitOptions(tl)
{
RestMarginTop = margin + (colHeight + gap) * nextcol,
RestMarginBottom = margin + (colHeight + gap) * (NCOLS - 1 - nextcol)
};
var split = tl.Split(tso, out TextLayout rest);
page.Graphics.DrawTextLayout(tl, PointF.Empty);
if (split != SplitResult.Split)
{
done = true;
break;
}
tl = rest;
}
if (!done)
{
page = doc.NewPage();
page.Landscape = true;
// We only want to render images on the first page, so clear ObjectRect:
if (tl.ObjectRects != null)
{
tl.ObjectRects = null;
// We need to redo the layout, but no need to recalculate the glyphs:
tl.PerformLayout(false);
}
}
}
// Done:
doc.Save(stream);
return(doc.Pages.Count);
}
}
// Creates the Time Sheet form:
private GcPdfDocument MakeTimeSheetForm()
{
const float marginH = 72, marginV = 48;
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
var ip = new PointF(marginH, marginV);
var tl = new TextLayout(g.Resolution)
{
FontCollection = _fc
};
tl.Append("TIME SHEET", new TextFormat()
{
FontName = "Segoe UI", FontSize = 18
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 15;
var logo = Image.FromFile(Path.Combine("Resources", "ImagesBis", "AcmeLogo-vertical-250px.png"));
_disposables.Add(logo);
var s = new SizeF(250f * 0.75f, 64f * 0.75f);
g.DrawImage(logo, new RectangleF(ip, s), null, ImageAlign.Default);
ip.Y += s.Height + 5;
tl.Clear();
tl.Append("Where Business meets Technology",
new TextFormat()
{
FontName = "Segoe UI", FontItalic = true, FontSize = 10
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 15;
tl.Clear();
tl.Append("1901, Halford Avenue,\r\nSanta Clara, California – 95051-2553,\r\nUnited States",
new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
});
tl.MaxWidth = page.Size.Width - marginH * 2;
tl.TextAlignment = TextAlignment.Trailing;
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 25;
var pen = new Pen(Color.Gray, 0.5f);
var colw = (page.Size.Width - marginH * 2) / 2;
var fields1 = DrawTable(ip,
new float[] { colw, colw },
new float[] { 30, 30, 30 },
g, pen);
var tf = new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
};
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.TextAlignment = TextAlignment.Leading;
tl.MarginLeft = tl.MarginRight = tl.MarginTop = tl.MarginBottom = 4;
// t_ - caption
// b_ - bounds
// f_ - field name, null means no field
Action <string, RectangleF, string> drawField = (t_, b_, f_) =>
{
float tWidth;
if (!string.IsNullOrEmpty(t_))
{
tl.Clear();
tl.MaxHeight = b_.Height;
tl.MaxWidth = b_.Width;
tl.Append(t_, tf);
tl.PerformLayout(true);
g.DrawTextLayout(tl, b_.Location);
tWidth = tl.ContentRectangle.Right;
}
else
{
tWidth = 0;
}
if (!string.IsNullOrEmpty(f_))
{
var fld = new TextField()
{
Name = f_
};
fld.Widget.Page = page;
fld.Widget.Rect = new RectangleF(
b_.X + tWidth + _inputMargin, b_.Y + _inputMargin,
b_.Width - tWidth - _inputMargin * 2, b_.Height - _inputMargin * 2);
fld.Widget.TextFormat = _inputTf;
fld.Widget.Border.Color = Color.LightSlateGray;
fld.Widget.Border.Width = 0.5f;
doc.AcroForm.Fields.Add(fld);
}
};
drawField("EMPLOYEE NAME: ", fields1[0, 0], _Names.EmpName);
drawField("TITLE: ", fields1[1, 0], _Names.EmpTitle);
drawField("EMPLOYEE NUMBER: ", fields1[0, 1], _Names.EmpNum);
drawField("STATUS: ", fields1[1, 1], _Names.EmpStatus);
drawField("DEPARTMENT: ", fields1[0, 2], _Names.EmpDep);
drawField("SUPERVISOR: ", fields1[1, 2], _Names.EmpSuper);
ip.Y = fields1[0, 2].Bottom;
float col0 = 100;
colw = (page.Size.Width - marginH * 2 - col0) / 5;
float rowh = 25;
var fields2 = DrawTable(ip,
new float[] { col0, colw, colw, colw, colw, colw },
new float[] { 50, rowh, rowh, rowh, rowh, rowh, rowh, rowh, rowh },
g, pen);
tl.ParagraphAlignment = ParagraphAlignment.Far;
drawField("DATE", fields2[0, 0], null);
drawField("START TIME", fields2[1, 0], null);
drawField("END TIME", fields2[2, 0], null);
drawField("REGULAR HOURS", fields2[3, 0], null);
drawField("OVERTIME HOURS", fields2[4, 0], null);
tf.FontBold = true;
drawField("TOTAL HOURS", fields2[5, 0], null);
tf.FontBold = false;
tl.ParagraphAlignment = ParagraphAlignment.Center;
tf.ForeColor = Color.Gray;
for (int i = 0; i < 7; ++i)
{
drawField(_Names.Dows[i], fields2[0, i + 1], _Names.DtNames[_Names.Dows[i]][0]);
}
tf.ForeColor = Color.Black;
for (int row = 1; row <= 7; ++row)
{
for (int col = 1; col <= 5; ++col)
{
drawField(null, fields2[col, row], _Names.DtNames[_Names.Dows[row - 1]][col]);
}
}
tf.FontBold = true;
drawField("WEEKLY TOTALS", fields2[0, 8], null);
tf.FontBold = false;
drawField(null, fields2[3, 8], _Names.TotalReg);
drawField(null, fields2[4, 8], _Names.TotalOvr);
drawField(null, fields2[5, 8], _Names.TotalHours);
ip.Y = fields2[0, 8].Bottom;
col0 = 72 * 4;
colw = page.Size.Width - marginH * 2 - col0;
var fields3 = DrawTable(ip,
new float[] { col0, colw },
new float[] { rowh + 10, rowh, rowh },
g, pen);
drawField("EMPLOYEE SIGNATURE: ", fields3[0, 1], null);
var r = fields3[0, 1];
_empSignRect = new RectangleF(r.X + r.Width / 2, r.Y, r.Width / 2 - _inputMargin * 2, r.Height);
// For a digital employee signature, uncomment this code:
/*
* SignatureField sf = new SignatureField();
* sf.Name = _Names.EmpSign;
* sf.Widget.Rect = new RectangleF(r.X + r.Width / 2, r.Y + _inputMargin, r.Width / 2 - _inputMargin * 2, r.Height - _inputMargin * 2);
* sf.Widget.Page = page;
* sf.Widget.BackColor = Color.LightSeaGreen;
* doc.AcroForm.Fields.Add(sf);
*/
drawField("DATE: ", fields3[1, 1], _Names.EmpSignDate);
drawField("SUPERVISOR SIGNATURE: ", fields3[0, 2], null);
// Supervisor signature:
r = fields3[0, 2];
SignatureField sf = new SignatureField();
sf.Name = _Names.SupSign;
sf.Widget.Rect = new RectangleF(r.X + r.Width / 2, r.Y + _inputMargin, r.Width / 2 - _inputMargin * 2, r.Height - _inputMargin * 2);
sf.Widget.Page = page;
sf.Widget.BackColor = Color.LightYellow;
doc.AcroForm.Fields.Add(sf);
drawField("DATE: ", fields3[1, 2], _Names.SupSignDate);
// Done:
return(doc);
}
public int CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
var page = doc.NewPage();
var rc = Common.Util.AddNote(
"This sample loads the PDF created by the TimeSheet sample into a temporary GcPdfDocument, " +
"gets the text map for the first page, and prints out the coordinates and texts of all " +
"line fragments in the map. " +
"It also uses the map's HitTest method to find the text at specific coordinates in the PDF " +
"and prints the result. " +
"The original TimeSheet.pdf used by this sample (consisting of 1 page) is appended for reference.",
page);
// Setup text formatting and layout:
var tf = new TextFormat()
{
Font = StandardFonts.Times,
FontSize = 13
};
var tfFound = new TextFormat()
{
Font = StandardFonts.TimesBold,
FontSize = 14,
ForeColor = Color.DarkBlue
};
var tl = new TextLayout(72)
{
MaxWidth = doc.PageSize.Width,
MaxHeight = doc.PageSize.Height,
MarginAll = rc.Left,
MarginTop = rc.Bottom + 36,
TabStops = new List <TabStop>()
{
new TabStop(72 * 2)
},
};
TextSplitOptions to = new TextSplitOptions(tl)
{
MinLinesInFirstParagraph = 2,
MinLinesInLastParagraph = 2,
RestMarginTop = rc.Left,
};
// Open an arbitrary PDF, load it into a temp document and use the map to find some texts:
using (var fs = new FileStream(Path.Combine("Resources", "PDFs", "TimeSheet.pdf"), FileMode.Open, FileAccess.Read))
{
var doc1 = new GcPdfDocument();
doc1.Load(fs);
var tmap = doc1.Pages[0].GetTextMap();
// We retrieve the text at a specific (known to us) geometric location on the page:
float tx0 = 2.1f, ty0 = 3.37f, tx1 = 3.1f, ty1 = 3.5f;
HitTestInfo htiFrom = tmap.HitTest(tx0 * 72, ty0 * 72);
HitTestInfo htiTo = tmap.HitTest(ty0 * 72, ty1 * 72);
tmap.GetFragment(htiFrom.Pos, htiTo.Pos, out TextMapFragment range1, out string text1);
tl.AppendLine($"Looked for text inside rectangle x={tx0:F2}\", y={ty0:F2}\", width={tx1-tx0:F2}\", height={ty1-ty0:F2}\", found:", tf);
tl.AppendLine(text1, tfFound);
tl.AppendLine();
// Get all text fragments and their locations on the page:
tl.AppendLine("List of all texts found on the page", tf);
tmap.GetFragment(out TextMapFragment range, out string text);
foreach (TextLineFragment tlf in range)
{
var coords = tmap.GetCoords(tlf);
tl.Append($"Text at ({coords.B.X / 72:F2}\",{coords.B.Y / 72:F2}\"):\t", tf);
tl.AppendLine(tmap.GetText(tlf), tfFound);
}
// Print the results:
tl.PerformLayout(true);
while (true)
{
// 'rest' will accept the text that did not fit:
var splitResult = tl.Split(to, out TextLayout rest);
doc.Pages.Last.Graphics.DrawTextLayout(tl, PointF.Empty);
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
doc.NewPage();
}
// Append the original document for reference:
doc.MergeWithDocument(doc1, new MergeDocumentOptions());
}
// Done:
doc.Save(stream);
return(doc.Pages.Count);
}
private RectangleF DrawTable(float[] widths, string[] captions, string[] samples, int rowCount)
{
System.Diagnostics.Debug.Assert(captions.Length == widths.Length && samples.Length == widths.Length);
var ipSave = _ip;
Pen p = new Pen(Color.Black, 0.5f);
var g = CurrGraphics;
TextLayout tl = g.CreateTextLayout();
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.TextAlignment = TextAlignment.Center;
tl.DefaultFormat.Font = TsNormal.Font;
tl.DefaultFormat.FontSize = TsNormal.FontSize;
tl.DefaultFormat.GlyphAdvanceFactor = TsNormal.GlyphAdvanceFactor;
tl.DefaultFormat.ForeColor = Color.White;
tl.WrapMode = WrapMode.NoWrap;
tl.MaxHeight = TableCaptionHeight;
float totW = 0;
for (int i = 0; i < widths.Length; ++i)
{
if (i == widths.Length - 1)
{
widths[i] = CurrPage.Size.Width - MarginLeft - MarginRight - totW - 1;
totW += 1;
}
totW += widths[i];
}
g.FillRectangle(new RectangleF(MarginLeft, _ip.Y, totW, TableCaptionHeight), Color.Black);
var pt = new PointF(MarginLeft, _ip.Y);
for (int i = 0; i < widths.Length; ++i)
{
tl.MaxWidth = widths[i];
tl.Append(captions[i]);
tl.PerformLayout(true);
g.DrawTextLayout(tl, pt);
pt.X = pt.X + widths[i];
tl.Inlines.Clear();
}
tl.DefaultFormat.ForeColor = Color.Teal;
tl.MaxHeight = TableSampleHeight;
pt = new PointF(MarginLeft, _ip.Y + TableCaptionHeight);
for (int i = 0; i < widths.Length; ++i)
{
tl.MaxWidth = widths[i];
tl.Append(samples[i]);
tl.PerformLayout(true);
g.DrawTextLayout(tl, pt);
pt.X = pt.X + widths[i];
tl.Inlines.Clear();
}
SetY(_ip.Y + TableCaptionHeight + TableSampleHeight, 0.5f);
for (int row = 0; row < rowCount; ++row)
{
_ip.X = MarginLeft + 1;
for (int i = 0; i < widths.Length; ++i)
{
var cr = DrawTextbox(widths[i] - 1, true);
_ip.X = cr.Right + 1;
}
g.DrawLine(new PointF(MarginLeft, _ip.Y - 0.5f), new PointF(MarginLeft + totW, _ip.Y - 0.5f), p);
SetY(null, Textbox.Height + 1);
}
var totH = TableCaptionHeight + TableSampleHeight + (Textbox.Height + 1) * rowCount;
_ip.X = MarginLeft + 0.5f;
for (int i = 0; i < widths.Length - 1; ++i)
{
_ip.X += widths[i];
g.DrawLine(new PointF(_ip.X, ipSave.Y), new PointF(_ip.X, ipSave.Y + totH), p);
}
var rect = new RectangleF(MarginLeft, ipSave.Y, totW, totH);
g.DrawRectangle(rect, p);
return(rect);
}
// Adds a word index to the end of the passed document:
private void AddWordIndex(GcPdfDocument doc, IEnumerable <string> words)
{
var tStart = DateTime.Now;
// Words and page indices where they occur, sorted on words:
SortedDictionary <string, List <int> > index = new SortedDictionary <string, List <int> >();
// Here the main loop building the index is on key words.
// An alternative would be to loop over the pages.
// Depending on the relative sizes of the keyword dictionary vs
// the number of pages in the document, one or the other might be better,
// but this is beyond the scope of this sample.
foreach (string word in words)
{
bool wholeWord = word.IndexOf(' ') == -1;
var ft = doc.FindText(new FindTextParams(word, wholeWord, false), OutputRange.All);
var pgs = ft.Select(fp_ => fp_.PageIndex).Distinct();
// A very simplistic way of also finding plurals:
if (wholeWord && !word.EndsWith('s'))
{
var ftpl = doc.FindText(new FindTextParams(word + "s", wholeWord, false), OutputRange.All);
pgs = pgs.Concat(ftpl.Select(fp_ => fp_.PageIndex).Distinct()).Distinct();
}
if (pgs.Any())
{
var sorted = pgs.ToList();
sorted.Sort();
index.Add(word, sorted);
}
}
// Prepare to render the index. The whole index is built
// in a single TextLayout instance, set up to render it
// in two columns per page.
// The main rendering loop uses the TextLayout.SplitAndBalance method
// using the approach demonstrated in BalancedColumns sample.
// The complication here is that we need to associate a link to the
// relevant page with each page number rendered, see linkIndices below.
// Set up the TextLayout:
const float margin = 72;
var pageWidth = doc.PageSize.Width;
var pageHeight = doc.PageSize.Height;
var cW = pageWidth - margin * 2;
// Caption (index letter) format:
var tfCap = new TextFormat()
{
FontName = _fontFamily,
FontBold = true,
FontSize = 16,
LineGap = 24,
};
// Index word and pages format:
var tfRun = new TextFormat()
{
FontName = _fontFamily,
FontSize = 10,
};
// Page headers/footers:
var tfHdr = new TextFormat()
{
FontName = _fontFamily,
FontItalic = true,
FontSize = 10,
};
// FirstLineIndent = -18 sets up hanging indent:
var tl = new TextLayout(72)
{
FontCollection = _fc,
FirstLineIndent = -18,
MaxWidth = pageWidth,
MaxHeight = pageHeight,
MarginLeft = margin,
MarginRight = margin,
MarginBottom = margin,
MarginTop = margin,
ColumnWidth = cW * 0.46f,
TextAlignment = TextAlignment.Leading,
ParagraphSpacing = 4,
LineGapBeforeFirstLine = false,
};
// The list of text runs created for page numbers:
List <Tuple <TextRun, int> > pgnumRuns = new List <Tuple <TextRun, int> >();
// This loop builds the index on the TextLayout, saving the text runs
// created for each page number rendered. Note that at this point
// (prior to the PerformLayout(true) call) the text runs do not contain any info
// about their code points and render locations, so we can only save the text runs here.
// Later they will be used to add links to referenced pages in the PDF:
char litera = ' ';
foreach (KeyValuePair <string, List <int> > kvp in index)
{
var word = kvp.Key;
var pageIndices = kvp.Value;
if (Char.ToUpper(word[0]) != litera)
{
litera = Char.ToUpper(word[0]);
tl.Append($"{litera}\u2029", tfCap);
}
tl.Append(word, tfRun);
tl.Append(" ", tfRun);
for (int i = 0; i < pageIndices.Count; ++i)
{
var from = pageIndices[i];
var tr = tl.Append((from + 1).ToString(), tfRun);
pgnumRuns.Add(Tuple.Create(tr, from));
// We merge sequential pages into "..-M":
int k = i;
for (int j = i + 1; j < pageIndices.Count && pageIndices[j] == pageIndices[j - 1] + 1; ++j)
{
k = j;
}
if (k > i + 1)
{
tl.Append("-", tfRun);
var to = pageIndices[k];
tr = tl.Append((to + 1).ToString(), tfRun);
pgnumRuns.Add(Tuple.Create(tr, to));
// Fast forward:
i = k;
}
if (i < pageIndices.Count - 1)
{
tl.Append(", ", tfRun);
}
else
{
tl.AppendLine(tfRun);
}
}
}
// This calculates the glyphs and lays out the whole index.
// The tl.SplitAndBalance() call in the loop below does not require redoing the layout:
tl.PerformLayout(true);
//
// Now we are ready to split and render the text layout, and also add links to page numbers.
//
// Split areas and options - see BalancedColumns for details:
var psas = new PageSplitArea[] {
new PageSplitArea(tl)
{
MarginLeft = tl.MarginLeft + (cW * 0.54f)
},
};
TextSplitOptions tso = new TextSplitOptions(tl)
{
KeepParagraphLinesTogether = true,
};
// First original code point index in the current column:
int cpiStart = 0;
// Max+1 original code point index in the current column:
int cpiEnd = 0;
// Current index in pgnumRuns:
int pgnumRunsIdx = 0;
// Split and render the index in 2 columns:
for (var page = doc.Pages.Add(); ; page = doc.Pages.Add())
{
var g = page.Graphics;
// Add a simple page header:
g.DrawString($"Index generated by GcPdf on {tStart}", tfHdr,
new RectangleF(margin, 0, pageWidth - margin * 2, margin),
TextAlignment.Center, ParagraphAlignment.Center, false);
// 'rest' will accept the text that did not fit on this page:
var splitResult = tl.SplitAndBalance(psas, tso, out TextLayout rest);
// Render text:
g.DrawTextLayout(tl, PointF.Empty);
g.DrawTextLayout(psas[0].TextLayout, PointF.Empty);
// Add links from page numbers to pages:
linkIndices(tl, page);
linkIndices(psas[0].TextLayout, page);
// Are we done yet?
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
}
// Done:
return;
// Method to add links to actual pages over page numbers in the current column:
void linkIndices(TextLayout tl_, Page page_)
{
cpiEnd += tl_.CodePointCount;
for (; pgnumRunsIdx < pgnumRuns.Count; ++pgnumRunsIdx)
{
var run = pgnumRuns[pgnumRunsIdx];
var textRun = run.Item1;
int cpi = textRun.CodePointIndex;
if (cpi >= cpiEnd)
{
break;
}
cpi -= cpiStart;
var rects = tl_.GetTextRects(cpi, textRun.CodePointCount);
System.Diagnostics.Debug.Assert(rects.Count > 0);
page_.Annotations.Add(new LinkAnnotation(rects[0].ToRectangleF(), new DestinationFit(run.Item2)));
}
cpiStart += tl_.CodePointCount;
}
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
// Text layout for main text (default GcPdf resolution is 72dpi):
var tl = new TextLayout(72);
tl.DefaultFormat.Font = StandardFonts.Times;
tl.DefaultFormat.FontSize = 12;
tl.FirstLineIndent = 72 / 2;
tl.MaxWidth = doc.PageSize.Width;
tl.MaxHeight = doc.PageSize.Height;
tl.MarginAll = tl.Resolution;
// Text layout for chapter headers:
var tlCaption = new TextLayout(72);
tlCaption.DefaultFormat.Font = StandardFonts.TimesBold;
tlCaption.DefaultFormat.FontSize = tl.DefaultFormat.FontSize + 4;
tlCaption.DefaultFormat.Underline = true;
tlCaption.MaxWidth = tl.MaxWidth;
tlCaption.MarginAll = tlCaption.Resolution;
// Split options to control splitting of text between pages:
TextSplitOptions to = new TextSplitOptions(tl)
{
RestMarginTop = tl.Resolution,
MinLinesInFirstParagraph = 2,
MinLinesInLastParagraph = 2
};
// Generate a number of "chapters", provide outline entry for each:
const int NChapters = 20;
for (int i = 0; i < NChapters; ++i)
{
// Chapter title - print as chapter header and add as outline node:
string chapter = $"Chapter {i + 1}";
// All it takes to add page lables is to add a PageLabelingRange
// associated with the index of the first page in the range,
// and the range prefix and numbering style:
doc.PageLabelingRanges.Add(doc.Pages.Count, new PageLabelingRange($"{chapter}, p. ", NumberingStyle.DecimalArabic, 1));
doc.Pages.Add();
tlCaption.Clear();
tlCaption.Append(chapter);
tlCaption.PerformLayout(true);
// Add outline node for the chapter:
doc.Outlines.Add(new OutlineNode(chapter, new DestinationFitH(doc.Pages.Count - 1, tlCaption.MarginTop)));
// Print the caption:
doc.Pages.Last.Graphics.DrawTextLayout(tlCaption, PointF.Empty);
// Chapter text:
tl.Clear();
tl.FirstLineIsStartOfParagraph = true;
tl.LastLineIsEndOfParagraph = true;
tl.Append(Common.Util.LoremIpsum(7));
// Account for chapter header in the main text layout:
tl.MarginTop = tlCaption.ContentRectangle.Bottom + 12;
tl.PerformLayout(true);
// Print the chapter:
while (true)
{
// 'rest' will accept the text that did not fit:
var splitResult = tl.Split(to, out TextLayout rest);
doc.Pages.Last.Graphics.DrawTextLayout(tl, PointF.Empty);
if (splitResult != SplitResult.Split)
{
break;
}
tl = rest;
var p = doc.Pages.Add();
}
}
// Done:
doc.Save(stream);
}
// The main sample driver.
public int CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
// This will hold the llst of images so we can dispose them after saving the document:
List <IDisposable> disposables = new List <IDisposable>();
// Page footer:
var ftrImg = Image.FromFile(Path.Combine("Resources", "ImagesBis", "logo-GC-devsol.png"));
disposables.Add(ftrImg);
var fx = ftrImg.HorizontalResolution / 72f;
var fy = ftrImg.VerticalResolution / 72f;
var ftrRc = new RectangleF(
doc.PageSize.Width / 2 - ftrImg.Width / fx / 2,
doc.PageSize.Height - 40,
ftrImg.Width / fx,
ftrImg.Height / fy);
// Color for the title:
var colorBlue = Color.FromArgb(0x3B, 0x5C, 0xAA);
// Color for the highlights:
var colorRed = Color.Red;
// The text layout used to render text:
TextLayout tl = new TextLayout(72)
{
MaxWidth = doc.PageSize.Width,
MaxHeight = doc.PageSize.Height,
MarginLeft = 72,
MarginRight = 72,
MarginTop = 72,
MarginBottom = 72,
};
tl.DefaultFormat.Font = Font.FromFile(Path.Combine("Resources", "Fonts", "segoeui.ttf"));
tl.DefaultFormat.FontSize = 11;
var page = doc.NewPage();
addFtr();
var g = page.Graphics;
// Caption:
tl.TextAlignment = TextAlignment.Center;
tl.Append("Introduction\n", new TextFormat()
{
FontSize = 16, ForeColor = colorBlue
});
tl.Append("The Importance of Wetlands", new TextFormat()
{
FontSize = 13, ForeColor = colorBlue
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
// Move below the caption for the first para:
tl.MarginTop = tl.ContentHeight + 72 * 2;
tl.Clear();
tl.TextAlignment = TextAlignment.Leading;
tl.ParagraphSpacing = 12;
// For the first para we want a bigger initial letter, but no first line indent,
// so we render it separately from the rest of the text:
tl.Append(_paras[0].Substring(0, 1), new TextFormat(tl.DefaultFormat)
{
FontSize = 22
});
addPara(_paras[0].Substring(1));
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
// Account for the first para, and set up the text layout
// for the rest of the text (a TextLayout allows to render multiple paragraphs,
// but they all must have the same paragraph format):
tl.MarginTop = tl.ContentRectangle.Bottom;
tl.Clear();
tl.FirstLineIndent = 36;
// Add remaining paragraphs:
foreach (var para in _paras.Skip(1))
{
// Paragraphs starting with '::' indicate images to be rendered across the page width:
if (para.StartsWith("::"))
{
var img = Image.FromFile(Path.Combine("Resources", "ImagesBis", para.Substring(2)));
disposables.Add(img);
var w = tl.MaxWidth.Value - tl.MarginLeft - tl.MarginRight;
var h = (float)img.Height / (float)img.Width * w;
tl.AppendInlineObject(img, w, h);
tl.AppendLine();
}
else
{
addPara(para);
}
}
// Layout the paragraphs:
tl.PerformLayout(true);
// Text split options allow to implement widow and orphan control:
var tso = new TextSplitOptions(tl)
{
RestMarginTop = 72,
MinLinesInFirstParagraph = 2,
MinLinesInLastParagraph = 2,
};
// Image alignment used to render the pictures:
var ia = new ImageAlign(ImageAlignHorz.Left, ImageAlignVert.Top, true, true, true, false, false)
{
BestFit = true
};
// In a loop, split and render the text:
while (true)
{
var splitResult = tl.Split(tso, out TextLayout rest);
g = doc.Pages.Last.Graphics;
doc.Pages.Last.Graphics.DrawTextLayout(tl, PointF.Empty);
// Render all images that occurred on this page:
foreach (var io in tl.InlineObjects)
{
doc.Pages.Last.Graphics.DrawImage((Image)io.Object, io.ObjectRect.ToRectangleF(), null, ia);
}
// Break unless there is more to render:
if (splitResult != SplitResult.Split)
{
break;
}
// Assign the remaining text to the 'main' TextLayout, add a new page and continue:
tl = rest;
doc.Pages.Add();
addFtr();
}
// Save the PDF:
doc.Save(stream);
// Dispose images (can be done only after saving the document):
disposables.ForEach(d_ => d_.Dispose());
// Done:
return(doc.Pages.Count);
void addPara(string para)
{
// We implement a primitive markup to highlight some fragments in red:
var txt = para.Split(new string[] { "<red>", "</red>" }, StringSplitOptions.None);
for (int i = 0; i < txt.Length; ++i)
{
if (i % 2 == 0)
{
tl.Append(txt[i]);
}
else
{
tl.Append(txt[i], new TextFormat(tl.DefaultFormat)
{
ForeColor = colorRed
});
}
}
tl.AppendLine();
}
void addFtr()
{
doc.Pages.Last.Graphics.DrawImage(ftrImg, ftrRc, null, ImageAlign.StretchImage);
}
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var date = new DateTime(1961, 4, 12, 6, 7, 0, DateTimeKind.Utc);
// Mark the document as PDF/A-3u conformant:
doc.ConformanceLevel = PdfAConformanceLevel.PdfA3u;
var fnt = Font.FromFile(Path.Combine("Resources", "Fonts", "arial.ttf"));
var gap = 36;
// PDF/A-3a requires all content to be tagged so create and populate StructElement when rendering:
StructElement sePart = new StructElement("Part");
doc.StructTreeRoot.Children.Add(sePart);
TextLayout tl = null;
// Add 3 pages with sample content tagged according to PDF/A rules:
for (int pageNo = 1; pageNo <= 3; ++pageNo)
{
var page = doc.Pages.Add();
var g = page.Graphics;
float y = 72;
if (doc.Pages.Count == 1)
{
// Create paragraph element:
var seParagraph = new StructElement("P")
{
DefaultPage = page
};
// Add it to Part element:
sePart.Children.Add(seParagraph);
tl = g.CreateTextLayout();
tl.MarginAll = 72;
tl.MaxWidth = page.Size.Width;
tl.DefaultFormat.Font = fnt;
tl.DefaultFormat.FontBold = true;
tl.DefaultFormat.FontSize = 20;
tl.Append("PDF/A-3A Document");
// PerformLayout is done automatically in a new TextLayout or after a Clear():
//tl.PerformLayout(true);
// Draw TextLayout within tagged content:
g.BeginMarkedContent(new TagMcid("P", 0));
g.DrawTextLayout(tl, PointF.Empty);
g.EndMarkedContent();
y = tl.ContentRectangle.Bottom + gap;
seParagraph.ContentItems.Add(new McidContentItemLink(0));
}
// Add some sample paragraphs tagged according to PDF/A rules:
for (int i = 1; i <= 3; ++i)
{
// Create paragraph element:
var seParagraph = new StructElement("P")
{
DefaultPage = page
};
// Add it to Part element:
sePart.Children.Add(seParagraph);
var sb = new StringBuilder();
sb.Append(string.Format("Paragraph {0} on page {1}: ", i, pageNo));
sb.Append(Common.Util.LoremIpsum(1, 2, 4, 5, 10));
var para = sb.ToString();
tl.Clear();
tl.DefaultFormat.FontSize = 14;
tl.DefaultFormat.FontBold = false;
tl.MarginTop = y;
tl.Append(para);
// Draw TextLayout within tagged content:
g.BeginMarkedContent(new TagMcid("P", i));
g.DrawTextLayout(tl, PointF.Empty);
g.EndMarkedContent();
y += tl.ContentHeight + gap;
// Add content item to paragraph StructElement:
seParagraph.ContentItems.Add(new McidContentItemLink(i));
// PDF/A-3 allows to embed files into document, but they should be associated with some document element
// add embedded file associated with seParagraph:
var ef1 = EmbeddedFileStream.FromBytes(doc, Encoding.UTF8.GetBytes(para));
// ModificationDate and MimeType should be specified in case of PDF/A:
ef1.ModificationDate = date;
ef1.MimeType = "text/plain";
var fn = string.Format("Page{0}_Paragraph{1}.txt", pageNo, i);
var fs1 = FileSpecification.FromEmbeddedStream(fn, ef1);
// Relationship should be specified in case of PDF/A:
fs1.Relationship = AFRelationship.Unspecified;
doc.EmbeddedFiles.Add(fn, fs1);
seParagraph.AssociatedFiles.Add(fs1);
}
}
// PDF/A-3 allows transparency drawing in PDF file, add some:
var gpage = doc.Pages[0].Graphics;
gpage.FillRectangle(new RectangleF(20, 20, 200, 200), Color.FromArgb(40, Color.Red));
// PDF/A-3 allows to use FormXObjects, add one with transparency:
var r = new RectangleF(0, 0, 144, 72);
var fxo = new FormXObject(doc, r);
var gfxo = fxo.Graphics;
gfxo.FillRectangle(r, Color.FromArgb(40, Color.Violet));
TextFormat tf = new TextFormat()
{
Font = fnt,
FontSize = 16,
ForeColor = Color.FromArgb(100, Color.Black),
};
gfxo.DrawString("FormXObject", tf, r, TextAlignment.Center, ParagraphAlignment.Center);
gfxo.DrawRectangle(r, Color.Blue, 3);
gpage.DrawForm(fxo, new RectangleF(300, 250, r.Width, r.Height), null, ImageAlign.ScaleImage);
// PDF/A-3 allows to use embedded files, but each embedded file must be associated with a document's element:
EmbeddedFileStream ef = EmbeddedFileStream.FromFile(doc, Path.Combine("Resources", "WordDocs", "ProcurementLetter.docx"));
// ModificationDate and MimeType should be specified for EmbeddedFile in PDF/A:
ef.ModificationDate = date;
ef.MimeType = "application/msword";
var fs = FileSpecification.FromEmbeddedFile(ef);
fs.Relationship = AFRelationship.Unspecified;
doc.EmbeddedFiles.Add("ProcurementLetter.docx", fs);
// Associate embedded file with the document:
doc.AssociatedFiles.Add(fs);
// Add an attachment associated with an annotation:
var sa = new StampAnnotation()
{
UserName = "******",
Font = fnt,
Rect = new RectangleF(300, 36, 220, 72),
};
sa.Flags |= AnnotationFlags.Print;
// Use a FormXObject to represent the stamp annotation:
var stampFxo = new FormXObject(doc, new RectangleF(PointF.Empty, sa.Rect.Size));
var gstampFxo = stampFxo.Graphics;
gstampFxo.FillRectangle(stampFxo.Bounds, Color.FromArgb(40, Color.Green));
gstampFxo.DrawString("Stamp Annotation\nassociated with minerva.jpg", tf, stampFxo.Bounds, TextAlignment.Center, ParagraphAlignment.Center);
gstampFxo.DrawRectangle(stampFxo.Bounds, Color.Green, 3);
//
sa.AppearanceStreams.Normal.Default = stampFxo;
doc.Pages[0].Annotations.Add(sa);
ef = EmbeddedFileStream.FromFile(doc, Path.Combine("Resources", "Images", "minerva.jpg"));
ef.ModificationDate = date;
ef.MimeType = "image/jpeg";
fs = FileSpecification.FromEmbeddedFile(ef);
fs.Relationship = AFRelationship.Unspecified;
doc.EmbeddedFiles.Add("minerva.jpg", fs);
sa.AssociatedFiles.Add(fs);
// Mark the document as conforming to Tagged PDF conventions (required for PDF/A):
doc.MarkInfo.Marked = true;
// Metadata.CreatorTool and DocumentInfo.Creator should be the same for a PDF/A document:
doc.Metadata.CreatorTool = doc.DocumentInfo.Creator;
// A title should be specified for PDF/A document:
doc.Metadata.Title = "GcPdf Document";
doc.ViewerPreferences.DisplayDocTitle = true;
// Done:
doc.Save(stream);
}
private RectangleF DrawExchangesTable()
{
// This table has two special extra titles spanning two tolumns.
// To achieve this, we:
// - force the column titles in those 4 columns to print as '2nd paragraph',
// thus leaving an empty line for the span title;
// - print the span titles here as a special case.
float[] widths = new float[]
{
50,
25,
25,
25,
25,
60,
150,
50,
40,
25,
35,
0
};
string[] captions = new string[]
{
"Item",
"Style",
"\r\n1st",
"\r\n2nd",
"Size",
"Sleeve Length\r\n& Inseam",
"Item Name",
"\r\nCharacters",
"\r\nStyle",
"Qty.",
"Price",
"Total"
};
string[] samples = new string[]
{
"LH123456",
"Plain",
"Tan",
"Olive",
"8",
"28",
"Example Item Only",
"Amanda",
"Block",
"1",
"49.95",
"49.95"
};
var cr = DrawTable(widths, captions, samples, 4);
// print 2 spanning titles:
var g = CurrGraphics;
TextLayout tl = g.CreateTextLayout();
tl.ParagraphAlignment = ParagraphAlignment.Near;
tl.TextAlignment = TextAlignment.Center;
tl.DefaultFormat.Font = TsNormal.Font;
tl.DefaultFormat.FontSize = TsNormal.FontSize;
tl.DefaultFormat.GlyphAdvanceFactor = TsNormal.GlyphAdvanceFactor;
tl.DefaultFormat.ForeColor = Color.White;
tl.WrapMode = WrapMode.NoWrap;
// Color Choice
var width = widths[2] + widths[3];
tl.MaxWidth = width;
tl.Append("Color Choice");
tl.PerformLayout(true);
var pt = new PointF(cr.Left + widths[0] + widths[1], cr.Top);
g.DrawTextLayout(tl, pt);
Pen pen = new Pen(Color.White, 0.5f);
var pt1 = new PointF(pt.X + 0.5f, pt.Y + TableCaptionHeight / 2);
var pt2 = new PointF(pt1.X + width, pt1.Y);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + widths[2] + 0.5f, pt.Y + TableCaptionHeight / 2);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + 0.5f, pt.Y);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + width + 0.5f, pt.Y);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
// Monogramming
width = widths[7] + widths[8];
tl.Inlines.Clear();
tl.MaxWidth = width;
tl.Append("Monogramming");
tl.PerformLayout(true);
pt = new PointF(cr.Left + widths[0] + widths[1] + widths[2] + widths[3] + widths[4] + widths[5] + widths[6], cr.Top);
g.DrawTextLayout(tl, pt);
pt1 = new PointF(pt.X + 0.5f, pt.Y + TableCaptionHeight / 2);
pt2 = new PointF(pt1.X + width, pt1.Y);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + widths[7] + 0.5f, pt.Y + TableCaptionHeight / 2);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + 0.5f, pt.Y);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
pt1 = new PointF(pt.X + width + 0.5f, pt.Y);
pt2 = new PointF(pt1.X, pt.Y + TableCaptionHeight);
g.DrawLine(pt1, pt2, pen);
return(cr);
}
void Page1(GcPdfDocument doc)
{
var page = doc.Pages.Add();
var g = page.Graphics;
var tl = new TextLayout(g.Resolution)
{
FontCollection = _fc
};
var gclogo = GetImage(Path.Combine("Resources", "ImagesBis", "gc-logo-100px.png"));
var gclogoRc = new RectangleF(36, 0, 72 * 1.8f, 72);
g.DrawImage(gclogo, gclogoRc, null,
new ImageAlign(ImageAlignHorz.Left, ImageAlignVert.Center, true, true, true, false, false), out RectangleF[] rcs);
g.DrawLine(rcs[0].Right + 10, rcs[0].Top, rcs[0].Right + 10, rcs[0].Bottom, _darkGray, 1);
tl.Clear();
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.MaxHeight = gclogoRc.Height;
tl.Append("Developer Solutions",
new TextFormat()
{
FontName = "open sans", FontSize = 16, ForeColor = _darkGray
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, new PointF(gclogoRc.Right + 20, gclogoRc.Y));
var back = GetImage(Path.Combine("Resources", "ImagesBis", "GCDocs-datasheet-sm.png"));
var backRcClip = new RectangleF(0, 72, page.Size.Width, page.Size.Width - 72 * 1.75f);
var backRc = new RectangleF(-72, -72 * 4, page.Size.Width + 72 * 4, page.Size.Height + 72 * 4);
g.DrawImage(back, backRc, backRcClip, ImageAlign.StretchImage);
g.FillRectangle(new RectangleF(0, backRcClip.Bottom, page.Size.Width, page.Size.Height - backRcClip.Bottom), _lightGray);
g.DrawLine(backRcClip.X, backRcClip.Bottom, backRcClip.Right, backRcClip.Bottom, Color.White, 1, null);
g.DrawLine(backRcClip.X, backRcClip.Bottom + 1, backRcClip.Right, backRcClip.Bottom + 1, _darkGray, 1, null);
var blueRc = new RectangleF(0, backRcClip.Y, page.Size.Width, 72 * 4);
g.FillRectangle(blueRc, Color.FromArgb(220, _blue));
blueRc.Inflate(0, -36);
g.FillRectangle(new RectangleF(blueRc.Location, new SizeF(10, blueRc.Height)), Color.White);
blueRc.Inflate(-36, 0);
tl.Clear();
tl.ParagraphAlignment = ParagraphAlignment.Near;
tl.MaxWidth = blueRc.Width;
tl.MaxHeight = blueRc.Height;
tl.Append("NEW PRODUCT LINE",
new TextFormat()
{
FontName = "open sans semibold", FontSize = 20, ForeColor = Color.White
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, blueRc.Location);
var midRc = new RectangleF(blueRc.X, blueRc.Y + tl.ContentHeight, blueRc.Width, blueRc.Height - tl.ContentHeight);
tl.Clear();
tl.ParagraphAlignment = ParagraphAlignment.Far;
tl.Append(
"Take total control of your digital documents with this NEW collection of ultra-fast, low-footprint document APIs for .NET Standard 2.0. These intuitive, extensible APIs " +
"allow you to create, load, modify, and save Excel spreadsheets and PDF files in any .NET Standard 2.0 application",
new TextFormat()
{
FontName = "open sans light", FontSize = 14, ForeColor = Color.White
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, blueRc.Location);
midRc.Height -= tl.ContentHeight;
midRc.Inflate(0, -20);
var hex = GetImage(Path.Combine("Resources", "ImagesBis", "gcd-hex-logo-white.png"));
var hexRc = new RectangleF(midRc.Location, new SizeF(midRc.Height, midRc.Height));
g.DrawImage(hex, hexRc, null, ImageAlign.StretchImage);
tl.Clear();
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.MaxHeight = midRc.Height;
tl.Append("GrapeCity Documents",
new TextFormat()
{
FontName = "open sans semibold", FontSize = 26, ForeColor = Color.White
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, new PointF(midRc.X + midRc.Height + 10, midRc.Y));
var pointRc = new RectangleF(0, backRcClip.Bottom, page.Size.Width / 2, (page.Size.Height - backRcClip.Bottom) / 2 - 12);
tl.ParagraphAlignment = ParagraphAlignment.Near;
tl.MaxWidth = pointRc.Width;
tl.MaxHeight = pointRc.Height;
tl.MarginLeft = 80;
tl.MarginTop = 25;
tl.MarginBottom = 0;
addPoint(GetImage(Path.Combine("Resources", "ImagesBis", "ico-hex-.NET.png")),
"Expand the reach of modern apps",
"With full support for .NET Standard 2.0, you can target multiple platforms, devices, and cloud with one code base.");
pointRc.Offset(0, pointRc.Height);
addPoint(GetImage(Path.Combine("Resources", "ImagesBis", "ico-hex-code.png")),
"Comprehensive, highly programmable",
"Do more with your Excel spreadsheets and PDFs: these APIs support Windows, Mac, Linux, and a wide variety of features for your documents.");
pointRc.Offset(pointRc.Width, -pointRc.Height);
tl.MarginRight = 30;
addPoint(GetImage(Path.Combine("Resources", "ImagesBis", "ico-hex-speed.png")),
"High-speed, small footprint",
"The API architecture is designed to generate large, optimized documents, fast—while remaining lightweight and extensible.");
pointRc.Offset(0, pointRc.Height);
addPoint(GetImage(Path.Combine("Resources", "ImagesBis", "ico-hex-nodependences.png")),
"No dependencies",
"Generate and edit digital documents with no Acrobat or Excel dependencies.");
g.FillRectangle(new RectangleF(0, page.Size.Height - 16, page.Size.Width, 16), _darkGray);
drawCircle(new PointF(page.Size.Width - 160, backRcClip.Bottom - 105));
void addPoint(IImage img, string caption, string text)
{
var imgRc = new RectangleF(pointRc.X + 20, pointRc.Y + tl.MarginTop, 48, 48);
g.DrawImage(img, imgRc, null, new ImageAlign()
{
AlignHorz = ImageAlignHorz.Center, AlignVert = ImageAlignVert.Center, BestFit = true
});
tl.Clear();
tl.AppendLine(caption, new TextFormat()
{
FontName = "open sans semibold", FontSize = 11
});
tl.Append(text, new TextFormat()
{
FontName = "open sans light", FontSize = 11
});
tl.PerformLayout(true);
if (!tl.ContentHeightFitsInBounds)
{
throw new Exception("Unexpected: text overflow.");
}
g.DrawTextLayout(tl, pointRc.Location);
}
void drawCircle(PointF p)
{
float D = 128;
float angle = (float)(16 * Math.PI) / 180f;
g.Transform =
Matrix3x2.CreateTranslation(-D / 2, -D / 2) *
Matrix3x2.CreateRotation(angle) *
Matrix3x2.CreateTranslation(p.X + D / 2, p.Y + D / 2);
var r = new RectangleF(PointF.Empty, new SizeF(D, D));
for (int i = 0; i < 3; ++i)
{
g.FillEllipse(r, Color.FromArgb(30 + i * 10, _darkGray));
r.Inflate(-1, -1);
}
g.FillEllipse(r, _darkGray);
r.Inflate(-1, -1);
g.FillEllipse(r, Color.White);
r.Inflate(-6, -6);
g.FillEllipse(r, _darkGray);
tl.Clear();
tl.MaxHeight = tl.MaxWidth = D;
tl.MarginLeft = tl.MarginRight = tl.MarginTop = tl.MarginBottom = 0;
tl.TextAlignment = TextAlignment.Center;
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.ParagraphSpacing = -4;
var tf = new TextFormat()
{
FontName = "open sans light", FontSize = 18, ForeColor = Color.White
};
tl.Append("DEPLOY\nTO", tf);
tl.Append(" AZURE\n", new TextFormat(tf)
{
FontName = "open sans semibold"
});
tl.Append(" ");
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
g.Transform = Matrix3x2.Identity;
}
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var font = StandardFonts.Times;
var fontSize = 12;
// 1/2" margins all around (72 dpi is the default resolution used by GcPdf):
var margin = 72 / 2;
var pageWidth = doc.PageSize.Width;
var pageHeight = doc.PageSize.Height;
var cW = pageWidth - margin * 2;
// Text format for the chapter titles:
var tlCaption = new TextLayout(72);
tlCaption.DefaultFormat.Font = font;
tlCaption.DefaultFormat.FontSize = fontSize + 4;
tlCaption.DefaultFormat.Underline = true;
tlCaption.MaxWidth = pageWidth;
tlCaption.MaxHeight = pageHeight;
tlCaption.MarginLeft = tlCaption.MarginTop = tlCaption.MarginRight = tlCaption.MarginBottom = margin;
tlCaption.TextAlignment = TextAlignment.Center;
// Height of chapter caption (use a const for simplicity):
const float captionH = 24;
// Text layout for main document body (default GcPdf resolution is 72dpi):
var tl = new TextLayout(72);
tl.DefaultFormat.Font = font;
tl.DefaultFormat.FontSize = fontSize;
tl.FirstLineIndent = 72 / 2;
tl.MaxWidth = pageWidth;
tl.MaxHeight = pageHeight;
tl.MarginLeft = tl.MarginRight = tl.MarginBottom = margin;
tl.MarginTop = margin + captionH;
tl.ColumnWidth = cW * 0.3f;
tl.TextAlignment = TextAlignment.Justified;
tl.AlignmentDelayToSplit = true;
// Array of PageSplitArea's which control additional columns (1st column is controlled by
// the 'main' TextLayout, for each additional one a PageSplitArea must be provided -
// it will create and return a TextLayout that can then be used to render the column):
var psas = new PageSplitArea[]
{
new PageSplitArea(tl)
{
MarginLeft = tl.MarginLeft + (cW * 0.35f)
},
new PageSplitArea(tl)
{
ColumnWidth = -cW * 0.3f
}
};
// Split options to control splitting text between pages:
TextSplitOptions tso = new TextSplitOptions(tl)
{
RestMarginTop = margin,
MinLinesInFirstParagraph = 2,
MinLinesInLastParagraph = 2
};
// Generate a number of "chapters", provide outline entry for each:
const int NChapters = 20;
doc.Pages.Add();
for (int i = 0; i < NChapters; ++i)
{
// Print chapter header across all columns:
string chapter = $"Chapter {i + 1}";
tlCaption.Clear();
tlCaption.Append(chapter);
tlCaption.PerformLayout(true);
doc.Pages.Last.Graphics.DrawTextLayout(tlCaption, PointF.Empty);
// Add outline node for the chapter:
doc.Outlines.Add(new OutlineNode(chapter, new DestinationFitV(doc.Pages.Count - 1, null)));
//
// Clear last chapter's text and add new chapter:
tl.FirstLineIsStartOfParagraph = true;
tl.LastLineIsEndOfParagraph = true;
tl.Clear();
tl.Append(Common.Util.LoremIpsum(5, 7, 9, 15, 25));
tl.PerformLayout(true);
// Variable to hold last chapter end's bottom coord:
float contentBottom = 0f;
// Print the chapter:
var tls = new TextLayoutSplitter(tl);
while (true)
{
var tlCol0 = tls.SplitAndBalance(psas, tso);
var g = doc.Pages.Last.Graphics;
g.DrawTextLayout(tlCol0, PointF.Empty);
g.DrawTextLayout(psas[0].TextLayout, PointF.Empty);
g.DrawTextLayout(psas[1].TextLayout, PointF.Empty);
if (tls.SplitResult != SplitResult.Split)
{
// End of chapter, find out how much height left on page for next chapter:
contentBottom = tl.ContentY + tl.ContentHeight;
contentBottom = Math.Max(contentBottom, psas[0].TextLayout.ContentRectangle.Bottom);
contentBottom = Math.Max(contentBottom, psas[1].TextLayout.ContentRectangle.Bottom);
// Done printing chapter:
break;
}
// Continue printing chapter on new page:
psas[0].MarginTop = psas[1].MarginTop = margin;
doc.Pages.Add();
}
// Next chapter - find out if we have enough space left on current page to start new chapter:
if (contentBottom + captionH < pageHeight * 0.8f)
{
// Start new chapter on current page:
contentBottom += pageHeight * 0.05f;
tlCaption.MarginTop = contentBottom;
tl.MarginTop = psas[0].MarginTop = psas[1].MarginTop = contentBottom + captionH;
}
else if (i < NChapters - 1)
{
// Start new chapter on new page:
tlCaption.MarginTop = margin;
tl.MarginTop = psas[0].MarginTop = psas[1].MarginTop = margin + captionH;
doc.Pages.Add();
}
}
// Done:
doc.Save(stream);
}
public void CreatePDF(Stream stream)
{
// Create a FontCollection instance:
FontCollection fc = new FontCollection();
// Populate it with fonts from the specified directory:
fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
// Generate a sample document using the font collection to provide fonts:
var doc = new GcPdfDocument();
var page = doc.Pages.Add();
var g = page.Graphics;
// For TextLayout/TextFormat to be able to use a font collection, it must be
// associated with it like so:
var tl = new TextLayout(g.Resolution)
{
FontCollection = fc
};
// Render some strings using the different fonts from our collection:
var tf = new TextFormat()
{
FontName = "times new roman", FontSize = 16
};
tl.Append("Using FontCollection to manage fonts and render text\n\n", tf);
tf.FontSize = 12;
tl.Append("Text rendered using Times New Roman regular font. \n", tf);
// Setting a font style (bold or italic) will tell the font collection
// to search for a suitable font (if it is not found, emulation will be used):
tf.FontItalic = true;
tl.Append("Text rendered using Times New Roman italic font. \n", tf);
// Text format is applied to a text run when the text is appended,
// so we can re-use the same format, modifying its properties
// to render differently formatted texts:
tf.FontBold = true;
tl.Append("Text rendered using Times New Roman bold italic font. \n", tf);
tf.FontItalic = false;
tl.Append("Text rendered using Times New Roman bold font. \n", tf);
tf.FontName = "segoe ui";
tl.Append("Text rendered using Segoe UI bold font. \n", tf);
tf.FontBold = false;
tl.Append("Text rendered using Segoe UI regular font. \n", tf);
// Apply page settings to the page layout and render the page:
tl.MaxWidth = page.Size.Width;
tl.MaxHeight = page.Size.Height;
tl.MarginAll = 72;
tl.PerformLayout(true);
g.DrawTextLayout(tl, PointF.Empty);
// If using GcGraphics.DrawString/MeasureString, this will allow the TextLayout
// created internally by GcGraphics to find the specified fonts in the font collection:
g.FontCollection = fc;
// Use GcGraphics.DrawString to show that the font collection is also used
// by the graphics once the FontCollection has been set on it:
g.DrawString("Text rendered using Segoe UI bold, drawn by GcGraphics.DrawString() method.",
new TextFormat()
{
FontName = "segoe ui", FontBold = true, FontSize = 10
},
new PointF(72, tl.ContentRectangle.Bottom + 12));
// Done:
doc.Save(stream);
}