/// <summary>
/// Adds a PdfScriptObject to the page that draws text that autowraps at the given blockWidth.
/// </summary>
/// <param name="page">Page to draw to.</param>
/// <param name="x">X coordinate left-bottom of the first line of text.</param>
/// <param name="y">Y coordinate left-bottom of the first line of text.</param>
/// <param name="text">Text to draw.</param>
/// <param name="blockWidth">Width of the text block.</param>
/// <param name="options">Text options (font, style, etc.)</param>
/// <param name="leftRotationDegrees">Left rotation expressed in degrees.</param>
/// <param name="align">Alignment: -1=left (default), 0=center, +1=right.</param>
/// <remarks>
/// Currently, when alignment is non-left, the rotation arguments is ignored as both are not supported together.
/// </remarks>
public static PdfObjectRef DrawTextblock(this PdfPageWriter page, double x, double y, string text, double blockWidth, PdfTextOptions options, double leftRotationDegrees = 0.0, int align = -1)
{
if (align < 0)
{
return(page.DrawText(x, y, options.Font.SplitText(text, options.FontSize, blockWidth), options, leftRotationDegrees));
}
else
{
var lines = options.Font.SplitText(text.Replace('\r', ' '), options.FontSize, blockWidth).Split('\n');
var obj = new PdfScriptObject();
obj.BeginGraphicsState();
obj.BeginText(x, y, options);
// Centered or right-alignment is not compatible with rotation:
//if (leftRotationDegrees != 0.0) obj.SetTextRotation(x, y, leftRotationDegrees);
var liney = y;
foreach (var line in lines)
{
if (!String.IsNullOrWhiteSpace(line))
{
var tline = line.Trim();
var textwidth = options.Font.GetStringWidth(tline, options.FontSize);
var linex = (align > 0) ? (x + blockWidth - textwidth) : (x + (blockWidth - textwidth) / 2);
obj.SetTextStartPosition(linex, liney);
obj.DrawText(tline);
}
liney -= options.FontSize;
}
obj.EndText();
obj.EndGraphicsState();
return(page.WriteObject(obj));
}
}
/// <summary>
/// Adds a PdfScriptObject to the page that draws text.
/// </summary>
public static PdfObjectRef DrawText(this PdfPageWriter page, double x, double y, string text, PdfTextOptions options, double leftRotationDegrees = 0.0)
{
var obj = new PdfScriptObject();
obj.BeginGraphicsState();
obj.BeginText(x, y, options);
if (leftRotationDegrees != 0.0)
{
obj.SetTextRotation(x, y, leftRotationDegrees);
}
obj.DrawText(text);
obj.EndText();
obj.EndGraphicsState();
return(page.WriteObject(obj));
}
public static void Run(string outputfilename)
{
// Prepare document options:
var options = new PdfDocumentOptions();
options.Author = "Arebis";
options.Title = "PDF Generation Sample";
options.Subject = "Demonstrate Arebis.Pdf generation library.";
options.TextFilter = new Arebis.Pdf.Common.PdfDeflateStreamFilter();
//options.TextFilter = new Arebis.Pdf.Common.PdfASCIIHexDecodeFilter();
// Make stream and writer objects:
using (var stream = new FileStream(outputfilename, FileMode.Create, FileAccess.Write))
using (var writer = new PdfDocumentWriter(stream, options))
{
// Load an image to place on all pages:
var logo = Properties.Resources.ArebisLogo160;
var logoref = writer.AddImage(logo);
// Create a page header object:
var header = new PdfScriptObject();
header.BeginGraphicsState();
header.SetStrokeColor(PdfColor.Black);
header.SetFillColor(PdfColor.Black);
header.SetStrokeWidth(1);
header.BeginText(50, 810, PdfPredefinedFont.TimesRomanItalic, 10.0);
header.DrawText("Arebis.Pdf Library - Sample 1");
header.EndText();
header.DrawImageByRef(465, 25, 100, 100 * logo.Height / logo.Width, logoref);
header.BeginPath(50, 808);
header.DrawLineA(50, 808, 0, 500);
header.EndPath(true, true, false);
header.EndGraphicsState();
var headerref = writer.WriteObject(header);
// Add a page with text:
using (var page = writer.NewPage(PdfPageFormat.A4Portrait))
{
// Write header:
page.WriteObjectRef(headerref);
// Text options template:
var h1 = new PdfTextOptions(PdfPredefinedFont.HelveticaBold, 36);
var p = new PdfTextOptions(PdfPredefinedFont.TimesRoman, 12);
// Write title:
page.DrawText(50, 760, "Lorem Ipsum", h1);
// Draw box (box has no function, just to show) and write text splitted to fit:
page.DrawRectangle(45, 255, 510, 480, new PdfGraphicsOptions(0, PdfColor.Gray));
page.DrawTextblock(50, 720, Properties.Resources.LoremIpsum, 500, p);
}
// Add a page with font effects:
using (var page = writer.NewPage(PdfPageFormat.A4Portrait))
{
var text1 = "The quick brown fox jumps over the lazy dog";
var text2 = "Åxèl Dößeçais won € 25.95";
// Write header:
page.WriteObjectRef(headerref);
// Text options template:
var to1 = new PdfTextOptions(PdfPredefinedFont.HelveticaBold, 23.3, PdfColor.Blue, PdfTextRenderingMode.Fill, PdfColor.LightBlue, 1.6);
var to2 = new PdfTextOptions(PdfPredefinedFont.HelveticaBold, 14.0);
var to3 = new PdfTextOptions(PdfPredefinedFont.HelveticaItalic, 8, PdfColor.Gray);
// Draw text with different effects:
page.DrawText(50, 760, text1, to1);
page.DrawText(50, 720, text1, new PdfTextOptions(to1) { InkColor = PdfColor.Red });
page.DrawText(50, 680, text1, new PdfTextOptions(to1) { RenderingMode = PdfTextRenderingMode.FillAndStroke });
page.DrawText(50, 640, text1, new PdfTextOptions(to1) { RenderingMode = PdfTextRenderingMode.Stroke });
page.DrawText(50, 600, text1, new PdfTextOptions(to1) { RenderingMode = PdfTextRenderingMode.Stroke, LineDashPattern = PdfLineDashPattern.Medium });
page.DrawText(50, 560, text1, new PdfTextOptions(to1) { RenderingMode = PdfTextRenderingMode.Stroke, OutlineWidth = 0.1, OutlineColor = PdfColor.Red });
// Draw with different fonts:
page.DrawText(50, 600 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.Courier });
page.DrawText(50, 585 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.CourierItalic });
page.DrawText(50, 570 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.CourierBold });
page.DrawText(50, 555 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.CourierBoldItalic });
page.DrawText(50, 525 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.Helvetica });
page.DrawText(50, 510 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.HelveticaItalic });
page.DrawText(50, 495 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.HelveticaBold });
page.DrawText(50, 480 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.HelveticaBoldItalic });
page.DrawText(50, 450 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.TimesRoman });
page.DrawText(50, 435 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.TimesRomanItalic });
page.DrawText(50, 420 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.TimesRomanBold });
page.DrawText(50, 405 - 80, text1, new PdfTextOptions(to2) { Font = PdfPredefinedFont.TimesRomanBoldItalic });
// Draw rotated text:
page.DrawText(65, 50, text2, new PdfTextOptions(to2) { InkColor = PdfColor.DarkOliveGreen });
page.DrawText(65, 70, text2, new PdfTextOptions(to2) { InkColor = new PdfColor(200, 200, 200) });
page.DrawText(65, 70, text2, new PdfTextOptions(to2) { InkColor = new PdfColor(150, 150, 150) }, 22.0);
page.DrawText(65, 70, text2, new PdfTextOptions(to2) { InkColor = new PdfColor(100,100,100) }, 45.0);
page.DrawText(65, 70, text2, new PdfTextOptions(to2) { InkColor = new PdfColor(50, 50, 50) }, 67.0);
page.DrawText(65, 70, text2, new PdfTextOptions(to2) { InkColor = new PdfColor(0, 0, 0) }, 90.0);
// Draw big 'A' with different LineCapStyles:
page.DrawText(240, 170, "A", new PdfTextOptions(to1) { FontSize = 144.0, RenderingMode = PdfTextRenderingMode.Stroke, OutlineWidth = 8, OutlineColor = PdfColor.Red, LineDashPattern = PdfLineDashPattern.XLarge, LineCapStyle = PdfLineCapStyle.Butt });
page.DrawText(340, 170, "A", new PdfTextOptions(to1) { FontSize = 144.0, RenderingMode = PdfTextRenderingMode.Stroke, OutlineWidth = 8, OutlineColor = PdfColor.Green, LineDashPattern = PdfLineDashPattern.XLarge, LineCapStyle = PdfLineCapStyle.Round });
page.DrawText(440, 170, "A", new PdfTextOptions(to1) { FontSize = 144.0, RenderingMode = PdfTextRenderingMode.Stroke, OutlineWidth = 8, OutlineColor = PdfColor.Blue, LineDashPattern = PdfLineDashPattern.XLarge, LineCapStyle = PdfLineCapStyle.Square });
// Legend:
page.DrawText(240, 155, "LineCapStyle.Butt", new PdfTextOptions(to3) { InkColor = PdfColor.Red });
page.DrawText(340, 155, "LineCapStyle.Round", new PdfTextOptions(to3) { InkColor = PdfColor.Green });
page.DrawText(440, 155, "LineCapStyle.Square", new PdfTextOptions(to3) { InkColor = PdfColor.Blue });
}
// Add a page with drawings:
using (var page = writer.NewPage(PdfPageFormat.A4Portrait))
{
// Write header:
page.WriteObjectRef(headerref);
// Graphical options template:
var helpline = new PdfGraphicsOptions(0.0, PdfColor.Gray, PdfColor.White, PdfLineDashPattern.Small);
var got1 = new PdfGraphicsOptions(2.0, PdfColor.Black, PdfColor.White, PdfLineDashPattern.Solid);
// Draw rectangles:
var got2 = new PdfGraphicsOptions(got1) { LineDashPattern = PdfLineDashPattern.Medium, FillColor = PdfColor.Yellow };
page.DrawRectangle(50, 700, 240, 80, got1);
page.DrawRoundedRectangle(50 + 10, 700 + 10, 240 - 20, 80 - 20, 15, got2);
page.DrawRectangle(50 + 240 + 10 + 10, 700, 240, 80, got2);
page.DrawRoundedRectangle(50 + 240 + 10 + 10 + 10, 700 + 10, 240 - 20, 80 - 20, 15, got1);
// Draw oval in rectangle:
page.DrawRectangle(50, 600, 400, 80, helpline);
page.DrawOval(50, 600, 400, 80, got1);
// Draw circle in rectangle:
page.DrawRectangle(550 - 80, 600, 80, 80, helpline);
page.DrawCircle(550 - 40, 600 + 40, 40, got1);
// Draw various line types:
page.DrawLine(50, 560, 550, 560, new PdfGraphicsOptions(8.0, PdfColor.Goldenrod));
page.DrawLine(50, 540, 550, 540, new PdfGraphicsOptions(4.0, PdfColor.Green));
page.DrawLine(50, 520, 550, 520, new PdfGraphicsOptions(2.0, PdfColor.Brown));
page.DrawLine(50, 500, 550, 500, new PdfGraphicsOptions(1.0, PdfColor.Coral));
page.DrawLine(50, 480, 550, 480, new PdfGraphicsOptions(0.5, PdfColor.Lime));
page.DrawLine(50, 460, 550, 460, new PdfGraphicsOptions(0.0, PdfColor.Magenta));
// Dashed lines (with the last one, a custom dash definition):
page.DrawLine(50, 420, 550, 420, new PdfGraphicsOptions(1.0, PdfColor.Red, null, PdfLineDashPattern.Large));
page.DrawLine(50, 400, 550, 400, new PdfGraphicsOptions(1.0, PdfColor.Green, null, PdfLineDashPattern.Medium));
page.DrawLine(50, 380, 550, 380, new PdfGraphicsOptions(1.0, PdfColor.Blue, null, PdfLineDashPattern.Small));
page.DrawLine(50, 360, 550, 360, new PdfGraphicsOptions(1.0, PdfColor.Gray, null, new PdfLineDashPattern(2, 8)));
// Circle of lines:
var cl = new PdfScriptObject();
cl.BeginGraphicsState();
cl.SetStrokeColor(PdfColor.Gold);
cl.SetStrokeWidth(2.0);
for (int a = 0; a < 360; a += 15)
{
cl.DrawLineA(150, 220, a, 100);
}
cl.EndPath(false, true, false);
cl.EndGraphicsState();
page.WriteObject(cl);
// Circle of squares:
var got3 = new PdfGraphicsOptions(got1) { StrokeColor = PdfColor.Green };
for (int a = 15; a <= 360; a += 15)
{
page.DrawRectangle(450, 220, 70, 70, got3, a);
}
}
// Add a page with images:
var imgHRef = writer.AddImage(Properties.Resources.ImgH);
var imgVRef = writer.AddImage(Properties.Resources.ImgV);
using (var page = writer.NewPage(PdfPageFormat.A4Portrait))
{
// Write header:
page.WriteObjectRef(headerref);
// Graphical options template:
var bo = new PdfGraphicsOptions(0.5, PdfColor.Gray, null, PdfLineDashPattern.Medium);
var to = new PdfTextOptions(PdfPredefinedFont.HelveticaItalic, 8, PdfColor.Gray);
// First row: a vertical image:
page.DrawRectangle(48, 658, 114, 114, bo);
page.DrawImageRef(50, 660, imgVRef, 110, 110, PdfImagePlacement.Stretch);
page.DrawText(48, 650, "Stretch", to);
page.DrawRectangle(48 + 130, 658, 114, 114, bo);
page.DrawImageRef(50 + 130, 660, imgVRef, 110, 110, PdfImagePlacement.Center);
page.DrawText(48+130, 650, "Center", to);
page.DrawRectangle(48 + 260, 658, 114, 114, bo);
page.DrawImageRef(50 + 260, 660, imgVRef, 110, 110, PdfImagePlacement.LeftOrTop);
page.DrawText(48+260, 650, "LeftOrTop", to);
page.DrawRectangle(48 + 390, 658, 114, 114, bo);
page.DrawImageRef(50 + 390, 660, imgVRef, 110, 110, PdfImagePlacement.RightOrBottom);
page.DrawText(48+390, 650, "RightOrBottom", to);
// Second row: a horizontal image:
page.DrawRectangle(48, 508, 114, 114, bo);
page.DrawImageRef(50, 510, imgHRef, 110, 110, PdfImagePlacement.Stretch);
page.DrawText(48, 500, "Stretch", to);
page.DrawRectangle(48 + 130, 508, 114, 114, bo);
page.DrawImageRef(50 + 130, 510, imgHRef, 110, 110, PdfImagePlacement.Center);
page.DrawText(48 + 130, 500, "Center", to);
page.DrawRectangle(48 + 260, 508, 114, 114, bo);
page.DrawImageRef(50 + 260, 510, imgHRef, 110, 110, PdfImagePlacement.LeftOrTop);
page.DrawText(48 + 260, 500, "LeftOrTop", to);
page.DrawRectangle(48 + 390, 508, 114, 114, bo);
page.DrawImageRef(50 + 390, 510, imgHRef, 110, 110, PdfImagePlacement.RightOrBottom);
page.DrawText(48 + 390, 500, "RightOrBottom", to);
// Third row: a rotated image:
page.DrawRectangle(48, 358, 114, 114, bo);
page.DrawImageRef(50, 360, imgHRef, 110, 110, PdfImagePlacement.Center, PdfImageRotation.None);
page.DrawText(48, 350, "No rotation", to);
page.DrawRectangle(48 + 130, 358, 114, 114, bo);
page.DrawImageRef(50 + 130, 360, imgHRef, 110, 110, PdfImagePlacement.Center, PdfImageRotation.Left);
page.DrawText(48 + 130, 350, "Rotated Left", to);
page.DrawRectangle(48 + 260, 358, 114, 114, bo);
page.DrawImageRef(50 + 260, 360, imgHRef, 110, 110, PdfImagePlacement.Center, PdfImageRotation.Right);
page.DrawText(48 + 260, 350, "Rotated Right", to);
page.DrawRectangle(48 + 390, 358, 114, 114, bo);
page.DrawImageRef(50 + 390, 360, imgHRef, 110, 110, PdfImagePlacement.Center, PdfImageRotation.UpsideDown);
page.DrawText(48 + 390, 350, "Upside Down", to);
// Free rotation:
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 15.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 30.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 45.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 60.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 75.0);
page.DrawImageRef(194.0, 90.0, imgVRef, 110.0, 90.0);
page.DrawText(48, 80, "Free rotation", to);
}
}
}