Tuesday, 05 April 2011 09:25
PDF TextLayout in C#, VB.NET
The sample demonstrates how to work with text layout in PDF document.
using System; using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace TextLayout { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); // Create one page PdfPageBase page = doc.Pages.Add(); float pageWidth = page.Canvas.ClientSize.Width; float y = 0; //page header PdfPen pen1 = new PdfPen(Color.LightGray, 1f); PdfBrush brush1 = new PdfSolidBrush(Color.LightGray); PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 8f, FontStyle.Italic)); PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Right); String text = "Demo of Spire.Pdf"; page.Canvas.DrawString(text, font1, brush1, pageWidth, y, format1); SizeF size = font1.MeasureString(text, format1); y = y + size.Height + 1; page.Canvas.DrawLine(pen1, 0, y, pageWidth, y); //title y = y + 5; PdfBrush brush2 = new PdfSolidBrush(Color.Black); PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold)); PdfStringFormat format2 = new PdfStringFormat(PdfTextAlignment.Center); format2.CharacterSpacing = 1f; text = "Summary of Science"; page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2); size = font2.MeasureString(text, format2); y = y + size.Height + 6; //icon PdfImage image = PdfImage.FromFile("Wikipedia_Science.png"); page.Canvas.DrawImage(image, new PointF(pageWidth - image.PhysicalDimension.Width, y)); float imageLeftSpace = pageWidth - image.PhysicalDimension.Width - 2; float imageBottom = image.PhysicalDimension.Height + y; //refenrence content PdfTrueTypeFont font3 = new PdfTrueTypeFont(new Font("Arial", 9f)); PdfStringFormat format3 = new PdfStringFormat(); format3.ParagraphIndent = font3.Size * 2; format3.MeasureTrailingSpaces = true; format3.LineSpacing = font3.Size * 1.5f; String text1 = "(All text and picture from "; String text2 = "Wikipedia"; String text3 = ", the free encyclopedia)"; page.Canvas.DrawString(text1, font3, brush2, 0, y, format3); size = font3.MeasureString(text1, format3); float x1 = size.Width; format3.ParagraphIndent = 0; PdfTrueTypeFont font4 = new PdfTrueTypeFont(new Font("Arial", 9f, FontStyle.Underline)); PdfBrush brush3 = PdfBrushes.Blue; page.Canvas.DrawString(text2, font4, brush3, x1, y, format3); size = font4.MeasureString(text2, format3); x1 = x1 + size.Width; page.Canvas.DrawString(text3, font3, brush2, x1, y, format3); y = y + size.Height; //content PdfStringFormat format4 = new PdfStringFormat(); text = System.IO.File.ReadAllText("Summary_of_Science.txt"); PdfTrueTypeFont font5 = new PdfTrueTypeFont(new Font("Arial", 10f)); format4.LineSpacing = font5.Size * 1.5f; PdfStringLayouter textLayouter = new PdfStringLayouter(); float imageLeftBlockHeight = imageBottom - y; PdfStringLayoutResult result = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight)); if (result.ActualSize.Height < imageBottom - y) { imageLeftBlockHeight = imageLeftBlockHeight + result.LineHeight; result = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight)); } foreach (LineInfo line in result.Lines) { page.Canvas.DrawString(line.Text, font5, brush2, 0, y, format4); y = y + result.LineHeight; } PdfTextWidget textWidget = new PdfTextWidget(result.Remainder, font5, brush2); PdfTextLayout textLayout = new PdfTextLayout(); textLayout.Break = PdfLayoutBreakType.FitPage; textLayout.Layout = PdfLayoutType.Paginate; RectangleF bounds = new RectangleF(new PointF(0, y), page.Canvas.ClientSize); textWidget.StringFormat = format4; textWidget.Draw(page, bounds, textLayout); //Save pdf file. doc.SaveToFile("TextLayout.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("TextLayout.pdf"); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace TextLayout Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() ' Create one page Dim page As PdfPageBase = doc.Pages.Add() Dim pageWidth As Single = page.Canvas.ClientSize.Width Dim y As Single = 0 'page header Dim pen1 As New PdfPen(Color.LightGray, 1.0F) Dim brush1 As PdfBrush = New PdfSolidBrush(Color.LightGray) Dim font1 As New PdfTrueTypeFont(New Font("Arial", 8.0F, FontStyle.Italic)) Dim format1 As New PdfStringFormat(PdfTextAlignment.Right) Dim text As String = "Demo of Spire.Pdf" page.Canvas.DrawString(text, font1, brush1, pageWidth, y, format1) Dim size As SizeF = font1.MeasureString(text, format1) y = y + size.Height + 1 page.Canvas.DrawLine(pen1, 0, y, pageWidth, y) 'title y = y + 5 Dim brush2 As PdfBrush = New PdfSolidBrush(Color.Black) Dim font2 As New PdfTrueTypeFont(New Font("Arial", 16.0F, FontStyle.Bold)) Dim format2 As New PdfStringFormat(PdfTextAlignment.Center) format2.CharacterSpacing = 1.0F text = "Summary of Science" page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2) size = font2.MeasureString(text, format2) y = y + size.Height + 6 'icon Dim image As PdfImage = PdfImage.FromFile("Wikipedia_Science.png") page.Canvas.DrawImage(image, New PointF(pageWidth - image.PhysicalDimension.Width, y)) Dim imageLeftSpace As Single = pageWidth - image.PhysicalDimension.Width - 2 Dim imageBottom As Single = image.PhysicalDimension.Height + y 'refenrence content Dim font3 As New PdfTrueTypeFont(New Font("Arial", 9.0F)) Dim format3 As New PdfStringFormat() format3.ParagraphIndent = font3.Size * 2 format3.MeasureTrailingSpaces = True format3.LineSpacing = font3.Size * 1.5F Dim text1 As String = "(All text and picture from " Dim text2 As String = "Wikipedia" Dim text3 As String = ", the free encyclopedia)" page.Canvas.DrawString(text1, font3, brush2, 0, y, format3) size = font3.MeasureString(text1, format3) Dim x1 As Single = size.Width format3.ParagraphIndent = 0 Dim font4 As New PdfTrueTypeFont(New Font("Arial", 9.0F, FontStyle.Underline)) Dim brush3 As PdfBrush = PdfBrushes.Blue page.Canvas.DrawString(text2, font4, brush3, x1, y, format3) size = font4.MeasureString(text2, format3) x1 = x1 + size.Width page.Canvas.DrawString(text3, font3, brush2, x1, y, format3) y = y + size.Height 'content Dim format4 As New PdfStringFormat() text = System.IO.File.ReadAllText("Summary_of_Science.txt") Dim font5 As New PdfTrueTypeFont(New Font("Arial", 10.0F)) format4.LineSpacing = font5.Size * 1.5F Dim textLayouter As New PdfStringLayouter() Dim imageLeftBlockHeight As Single = imageBottom - y Dim result As PdfStringLayoutResult _ = textLayouter.Layout(text, font5, format4, New SizeF(imageLeftSpace, imageLeftBlockHeight)) If result.ActualSize.Height < imageBottom - y Then imageLeftBlockHeight = imageLeftBlockHeight + result.LineHeight result = textLayouter.Layout(text, font5, format4, New SizeF(imageLeftSpace, imageLeftBlockHeight)) End If For Each line As LineInfo In result.Lines page.Canvas.DrawString(line.Text, font5, brush2, 0, y, format4) y = y + result.LineHeight Next line Dim textWidget As New PdfTextWidget(result.Remainder, font5, brush2) Dim textLayout As New PdfTextLayout() textLayout.Break = PdfLayoutBreakType.FitPage textLayout.Layout = PdfLayoutType.Paginate Dim bounds As New RectangleF(New PointF(0, y), page.Canvas.ClientSize) textWidget.StringFormat = format4 textWidget.Draw(page, bounds, textLayout) 'Save pdf file. doc.SaveToFile("TextLayout.pdf") doc.Close() 'Launching the Pdf file. Process.Start("TextLayout.pdf") End Sub End Class End Namespace
Published in
Formating
Tuesday, 05 April 2011 08:46
PDF Graphics Overlay in C#, VB.NET
The sample demonstrates how to overlay one page on another and set transparency mode.
using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace Overlay { class Program { static void Main(string[] args) { //load two document PdfDocument doc1 = new PdfDocument(); doc1.LoadFromFile("Sample1.pdf"); PdfDocument doc2 = new PdfDocument(); doc2.LoadFromFile("Sample3.pdf"); //Create page template PdfTemplate template = doc1.Pages[0].CreateTemplate(); foreach (PdfPageBase page in doc2.Pages) { page.Canvas.SetTransparency(0.25f, 0.25f, PdfBlendMode.Overlay); page.Canvas.DrawTemplate(template, PointF.Empty); } //Save pdf file. doc2.SaveToFile("Overlay.pdf"); doc1.Close(); doc2.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("Overlay.pdf"); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace Overlay Friend Class Program Shared Sub Main(ByVal args() As String) 'load two document Dim doc1 As New PdfDocument() doc1.LoadFromFile("Sample1.pdf") Dim doc2 As New PdfDocument() doc2.LoadFromFile("Sample3.pdf") 'Create page template Dim template As PdfTemplate = doc1.Pages(0).CreateTemplate() For Each page As PdfPageBase In doc2.Pages page.Canvas.SetTransparency(0.25F, 0.25F, PdfBlendMode.Overlay) page.Canvas.DrawTemplate(template, PointF.Empty) Next page 'Save pdf file. doc2.SaveToFile("Overlay.pdf") doc1.Close() doc2.Close() 'Launching the Pdf file. Process.Start("Overlay.pdf") End Sub End Class End Namespace
Published in
Drawing
Tuesday, 05 April 2011 07:42
PDF Graphics Transparency in C#, VB.NET
The sample shows the different modes of transparency.
using System; using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace Transparency { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); // Create one section PdfSection section = doc.Sections.Add(); //Load image PdfImage image = PdfImage.FromFile("SalesReportChart.png"); float imageWidth = image.PhysicalDimension.Width / 2; float imageHeight = image.PhysicalDimension.Height / 2; foreach (PdfBlendMode mode in Enum.GetValues(typeof(PdfBlendMode))) { PdfPageBase page = section.Pages.Add(); float pageWidth = page.Canvas.ClientSize.Width; float y = 0; //title y = y + 5; PdfBrush brush = new PdfSolidBrush(Color.OrangeRed); PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", 12f, FontStyle.Bold)); PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Center); String text = String.Format("Transparency Blend Mode: {0}", mode); page.Canvas.DrawString(text, font, brush, pageWidth / 2, y, format); SizeF size = font.MeasureString(text, format); y = y + size.Height + 6; page.Canvas.DrawImage(image, 0, y, imageWidth, imageHeight); page.Canvas.Save(); float d = (page.Canvas.ClientSize.Width - imageWidth) / 5; float x = d; y = y + d / 2; for (int i = 0; i < 5; i++) { float alpha = 1.0f / 6 * (5 - i); page.Canvas.SetTransparency(alpha, alpha, mode); page.Canvas.DrawImage(image, x, y, imageWidth, imageHeight); x = x + d; y = y + d / 2; } page.Canvas.Restore(); } //Save pdf file. doc.SaveToFile("Transparency.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("Transparency.pdf"); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace Transparency Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() ' Create one section Dim section As PdfSection = doc.Sections.Add() 'Load image Dim image As PdfImage = PdfImage.FromFile("SalesReportChart.png") Dim imageWidth As Single = image.PhysicalDimension.Width \ 2 Dim imageHeight As Single = image.PhysicalDimension.Height \ 2 For Each mode As PdfBlendMode In System.Enum.GetValues(GetType(PdfBlendMode)) Dim page As PdfPageBase = section.Pages.Add() Dim pageWidth As Single = page.Canvas.ClientSize.Width Dim y As Single = 0 'title y = y + 5 Dim brush As PdfBrush = New PdfSolidBrush(Color.OrangeRed) Dim font As New PdfTrueTypeFont(New Font("Arial", 12.0F, FontStyle.Bold)) Dim format As New PdfStringFormat(PdfTextAlignment.Center) Dim text As String = String.Format("Transparency Blend Mode: {0}", mode) page.Canvas.DrawString(text, font, brush, pageWidth / 2, y, format) Dim size As SizeF = font.MeasureString(text, format) y = y + size.Height + 6 page.Canvas.DrawImage(image, 0, y, imageWidth, imageHeight) page.Canvas.Save() Dim d As Single = (page.Canvas.ClientSize.Width - imageWidth) / 5 Dim x As Single = d y = y + d / 2 For i As Integer = 0 To 4 Dim alpha As Single = 1.0F / 6 * (5 - i) page.Canvas.SetTransparency(alpha, alpha, mode) page.Canvas.DrawImage(image, x, y, imageWidth, imageHeight) x = x + d y = y + d / 2 Next i page.Canvas.Restore() Next mode 'Save pdf file. doc.SaveToFile("Transparency.pdf") doc.Close() 'Launching the Pdf file. Process.Start("Transparency.pdf") End Sub End Class End Namespace
Published in
Drawing
Tuesday, 05 April 2011 07:27
PDF Barcode in C#, VB.NET
The sample demonstrates how to draw barcode in PDF document.
using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; using Spire.Pdf.Barcode; namespace Barcode { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); //margin PdfUnitConvertor unitCvtr = new PdfUnitConvertor(); PdfMargins margin = new PdfMargins(); margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Bottom = margin.Top; margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Right = margin.Left; PdfSection section = doc.Sections.Add(); section.PageSettings.Margins = margin; section.PageSettings.Size = PdfPageSize.A4; // Create one page PdfPageBase page = section.Pages.Add(); float y = 10; PdfBrush brush1 = PdfBrushes.Black; PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 12f, FontStyle.Bold), true); RectangleF rctg = new RectangleF(new PointF(0, 0), page.Canvas.ClientSize); PdfLinearGradientBrush brush2 = new PdfLinearGradientBrush(rctg, Color.Navy, Color.OrangeRed, PdfLinearGradientMode.Vertical); //draw Codabar PdfTextWidget text = new PdfTextWidget(); text.Font = font1; text.Text = "Codabar:"; PdfLayoutResult result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCodabarBarcode barcode1 = new PdfCodabarBarcode("00:12-3456/7890"); barcode1.BarcodeToTextGapHeight = 1f; barcode1.EnableCheckDigit = true; barcode1.ShowCheckDigit = true; barcode1.TextDisplayLocation = TextLocation.Bottom; barcode1.TextColor = Color.Blue; barcode1.Draw(page, new PointF(0, y)); y = barcode1.Bounds.Bottom + 5; //draw Code11Barcode text.Text = "Code11:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode11Barcode barcode2 = new PdfCode11Barcode("123-4567890"); barcode2.BarcodeToTextGapHeight = 1f; barcode2.TextDisplayLocation = TextLocation.Bottom; barcode2.TextColor = Color.Blue; barcode2.Draw(page, new PointF(0, y)); y = barcode2.Bounds.Bottom + 5; //draw Code128-A text.Text = "Code128-A:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode128ABarcode barcode3 = new PdfCode128ABarcode("HELLO 00-123"); barcode3.BarcodeToTextGapHeight = 1f; barcode3.TextDisplayLocation = TextLocation.Bottom; barcode3.TextColor = Color.Blue; barcode3.Draw(page, new PointF(0, y)); y = barcode3.Bounds.Bottom + 5; //draw Code128-B text.Text = "Code128-B:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode128BBarcode barcode4 = new PdfCode128BBarcode("Hello 00-123"); barcode4.BarcodeToTextGapHeight = 1f; barcode4.TextDisplayLocation = TextLocation.Bottom; barcode4.TextColor = Color.Blue; barcode4.Draw(page, new PointF(0, y)); y = barcode4.Bounds.Bottom + 5; //draw Code32 text.Text = "Code32:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode32Barcode barcode5 = new PdfCode32Barcode("16273849"); barcode5.BarcodeToTextGapHeight = 1f; barcode5.TextDisplayLocation = TextLocation.Bottom; barcode5.TextColor = Color.Blue; barcode5.Draw(page, new PointF(0, y)); y = barcode5.Bounds.Bottom + 5; page = section.Pages.Add(); y = 10; //draw Code39 text.Text = "Code39:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode39Barcode barcode6 = new PdfCode39Barcode("16-273849"); barcode6.BarcodeToTextGapHeight = 1f; barcode6.TextDisplayLocation = TextLocation.Bottom; barcode6.TextColor = Color.Blue; barcode6.Draw(page, new PointF(0, y)); y = barcode6.Bounds.Bottom + 5; //draw Code39-E text.Text = "Code39-E:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode39ExtendedBarcode barcode7 = new PdfCode39ExtendedBarcode("16-273849"); barcode7.BarcodeToTextGapHeight = 1f; barcode7.TextDisplayLocation = TextLocation.Bottom; barcode7.TextColor = Color.Blue; barcode7.Draw(page, new PointF(0, y)); y = barcode7.Bounds.Bottom + 5; //draw Code93 text.Text = "Code93:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode93Barcode barcode8 = new PdfCode93Barcode("16-273849"); barcode8.BarcodeToTextGapHeight = 1f; barcode8.TextDisplayLocation = TextLocation.Bottom; barcode8.TextColor = Color.Blue; barcode8.QuietZone.Bottom = 5; barcode8.Draw(page, new PointF(0, y)); y = barcode8.Bounds.Bottom + 5; //draw Code93-E text.Text = "Code93-E:"; result = text.Draw(page, 0, y); page = result.Page; y = result.Bounds.Bottom + 2; PdfCode93ExtendedBarcode barcode9 = new PdfCode93ExtendedBarcode("16-273849"); barcode9.BarcodeToTextGapHeight = 1f; barcode9.TextDisplayLocation = TextLocation.Bottom; barcode9.TextColor = Color.Blue; barcode9.Draw(page, new PointF(0, y)); y = barcode9.Bounds.Bottom + 5; //Save pdf file. doc.SaveToFile("Barcode.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("Barcode.pdf"); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Imports Spire.Pdf.Barcode Namespace Barcode Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() 'margin Dim unitCvtr As New PdfUnitConvertor() Dim margin As New PdfMargins() margin.Top = unitCvtr.ConvertUnits(2.54F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point) margin.Bottom = margin.Top margin.Left = unitCvtr.ConvertUnits(3.17F, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point) margin.Right = margin.Left Dim section As PdfSection = doc.Sections.Add() section.PageSettings.Margins = margin section.PageSettings.Size = PdfPageSize.A4 ' Create one page Dim page As PdfPageBase = section.Pages.Add() Dim y As Single = 10 Dim brush1 As PdfBrush = PdfBrushes.Black Dim font1 As New PdfTrueTypeFont(New Font("Arial", 12.0F, FontStyle.Bold), True) Dim rctg As New RectangleF(New PointF(0, 0), page.Canvas.ClientSize) Dim brush2 As New PdfLinearGradientBrush(rctg, Color.Navy, Color.OrangeRed, PdfLinearGradientMode.Vertical) 'draw Codabar Dim text As New PdfTextWidget() text.Font = font1 text.Text = "Codabar:" Dim result As PdfLayoutResult = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode1 As New PdfCodabarBarcode("00:12-3456/7890") barcode1.BarcodeToTextGapHeight = 1.0F barcode1.EnableCheckDigit = True barcode1.ShowCheckDigit = True barcode1.TextDisplayLocation = TextLocation.Bottom barcode1.TextColor = Color.Blue barcode1.Draw(page, New PointF(0, y)) y = barcode1.Bounds.Bottom + 5 'draw Code11Barcode text.Text = "Code11:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode2 As New PdfCode11Barcode("123-4567890") barcode2.BarcodeToTextGapHeight = 1.0F barcode2.TextDisplayLocation = TextLocation.Bottom barcode2.TextColor = Color.Blue barcode2.Draw(page, New PointF(0, y)) y = barcode2.Bounds.Bottom + 5 'draw Code128-A text.Text = "Code128-A:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode3 As New PdfCode128ABarcode("HELLO 00-123") barcode3.BarcodeToTextGapHeight = 1.0F barcode3.TextDisplayLocation = TextLocation.Bottom barcode3.TextColor = Color.Blue barcode3.Draw(page, New PointF(0, y)) y = barcode3.Bounds.Bottom + 5 'draw Code128-B text.Text = "Code128-B:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode4 As New PdfCode128BBarcode("Hello 00-123") barcode4.BarcodeToTextGapHeight = 1.0F barcode4.TextDisplayLocation = TextLocation.Bottom barcode4.TextColor = Color.Blue barcode4.Draw(page, New PointF(0, y)) y = barcode4.Bounds.Bottom + 5 'draw Code32 text.Text = "Code32:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode5 As New PdfCode32Barcode("16273849") barcode5.BarcodeToTextGapHeight = 1.0F barcode5.TextDisplayLocation = TextLocation.Bottom barcode5.TextColor = Color.Blue barcode5.Draw(page, New PointF(0, y)) y = barcode5.Bounds.Bottom + 5 page = section.Pages.Add() y = 10 'draw Code39 text.Text = "Code39:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode6 As New PdfCode39Barcode("16-273849") barcode6.BarcodeToTextGapHeight = 1.0F barcode6.TextDisplayLocation = TextLocation.Bottom barcode6.TextColor = Color.Blue barcode6.Draw(page, New PointF(0, y)) y = barcode6.Bounds.Bottom + 5 'draw Code39-E text.Text = "Code39-E:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode7 As New PdfCode39ExtendedBarcode("16-273849") barcode7.BarcodeToTextGapHeight = 1.0F barcode7.TextDisplayLocation = TextLocation.Bottom barcode7.TextColor = Color.Blue barcode7.Draw(page, New PointF(0, y)) y = barcode7.Bounds.Bottom + 5 'draw Code93 text.Text = "Code93:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode8 As New PdfCode93Barcode("16-273849") barcode8.BarcodeToTextGapHeight = 1.0F barcode8.TextDisplayLocation = TextLocation.Bottom barcode8.TextColor = Color.Blue barcode8.QuietZone.Bottom = 5 barcode8.Draw(page, New PointF(0, y)) y = barcode8.Bounds.Bottom + 5 'draw Code93-E text.Text = "Code93-E:" result = text.Draw(page, 0, y) page = result.Page y = result.Bounds.Bottom + 2 Dim barcode9 As New PdfCode93ExtendedBarcode("16-273849") barcode9.BarcodeToTextGapHeight = 1.0F barcode9.TextDisplayLocation = TextLocation.Bottom barcode9.TextColor = Color.Blue barcode9.Draw(page, New PointF(0, y)) y = barcode9.Bounds.Bottom + 5 'Save pdf file. doc.SaveToFile("Barcode.pdf") doc.Close() 'Launching the Pdf file. Process.Start("Barcode.pdf") End Sub End Class End Namespace
Published in
Drawing
Tuesday, 05 April 2011 07:21
PDF DrawImage in C#, VB.NET
The sample demonstrates how to draw image in PDF document.
using System; using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace DrawImage { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); // Create one page PdfPageBase page = doc.Pages.Add(); TransformText(page); DrawImage(page); TransformImage(page); //Save pdf file. doc.SaveToFile("DrawImage.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("DrawImage.pdf"); } private static void TransformImage(PdfPageBase page) { //save graphics state PdfGraphicsState state = page.Canvas.Save(); //Draw the text - transform PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f); PdfSolidBrush brush1 = new PdfSolidBrush(Color.Blue); PdfSolidBrush brush2 = new PdfSolidBrush(Color.CadetBlue); PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Center); page.Canvas.TranslateTransform(page.Canvas.ClientSize.Width / 2, 20); page.Canvas.DrawString("Sales Report Chart", font, brush1, 0, 0, format); page.Canvas.ScaleTransform(1f, -0.8f); page.Canvas.DrawString("Sales Report Chart", font, brush2, 0, -2 * 18 * 1.2f, format); //restor graphics page.Canvas.Restore(state); } private static void DrawImage(PdfPageBase page) { PdfImage image = PdfImage.FromFile(@"SalesReportChart.png"); float width = image.Width * 0.75f; float height = image.Height * 0.75f; float x = (page.Canvas.ClientSize.Width - width) / 2; page.Canvas.DrawImage(image, x, 60, width, height); } private static void TransformText(PdfPageBase page) { PdfImage image = PdfImage.FromFile(@"SalesReportChart.png"); int skewX = 20; int skewY = 20; float scaleX = 0.2f; float scaleY = 0.6f; int width = (int)((image.Width + image.Height * Math.Tan(Math.PI * skewX / 180)) * scaleX); int height = (int)((image.Height + image.Width * Math.Tan(Math.PI * skewY / 180)) * scaleY); PdfTemplate template = new PdfTemplate(width, height); template.Graphics.ScaleTransform(scaleX, scaleY); template.Graphics.SkewTransform(skewX, skewY); template.Graphics.DrawImage(image, 0, 0); //save graphics state PdfGraphicsState state = page.Canvas.Save(); page.Canvas.TranslateTransform(page.Canvas.ClientSize.Width - 50, 260); float offset = (page.Canvas.ClientSize.Width - 100) / 12; for (int i = 0; i < 12; i++) { page.Canvas.TranslateTransform(-offset, 0); page.Canvas.SetTransparency(i / 12.0f); page.Canvas.DrawTemplate(template, new PointF(0, 0)); } //restor graphics page.Canvas.Restore(state); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace DrawImage Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() ' Create one page Dim page As PdfPageBase = doc.Pages.Add() TransformText(page) DrawImage(page) TransformImage(page) 'Save pdf file. doc.SaveToFile("DrawImage.pdf") doc.Close() 'Launching the Pdf file. Process.Start("DrawImage.pdf") End Sub Private Shared Sub TransformImage(ByVal page As PdfPageBase) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() 'Draw the text - transform Dim font As New PdfFont(PdfFontFamily.Helvetica, 18.0F) Dim brush1 As New PdfSolidBrush(Color.Blue) Dim brush2 As New PdfSolidBrush(Color.CadetBlue) Dim format As New PdfStringFormat(PdfTextAlignment.Center) page.Canvas.TranslateTransform(page.Canvas.ClientSize.Width \ 2, 20) page.Canvas.DrawString("Sales Report Chart", font, brush1, 0, 0, format) page.Canvas.ScaleTransform(1.0F, -0.8F) page.Canvas.DrawString("Sales Report Chart", font, brush2, 0, -2 * 18 * 1.2F, format) 'restor graphics page.Canvas.Restore(state) End Sub Private Shared Sub DrawImage(ByVal page As PdfPageBase) Dim image As PdfImage = PdfImage.FromFile("SalesReportChart.png") Dim width As Single = image.Width * 0.75F Dim height As Single = image.Height * 0.75F Dim x As Single = (page.Canvas.ClientSize.Width - width) / 2 page.Canvas.DrawImage(image, x, 60, width, height) End Sub Private Shared Sub TransformText(ByVal page As PdfPageBase) Dim image As PdfImage = PdfImage.FromFile("SalesReportChart.png") Dim skewX As Integer = 20 Dim skewY As Integer = 20 Dim scaleX As Single = 0.2F Dim scaleY As Single = 0.6F Dim width As Integer = CInt(Fix((image.Width + image.Height * Math.Tan(Math.PI * skewX \ 180)) * scaleX)) Dim height As Integer = CInt(Fix((image.Height + image.Width * Math.Tan(Math.PI * skewY \ 180)) * scaleY)) Dim template As New PdfTemplate(width, height) template.Graphics.ScaleTransform(scaleX, scaleY) template.Graphics.SkewTransform(skewX, skewY) template.Graphics.DrawImage(image, 0, 0) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() page.Canvas.TranslateTransform(page.Canvas.ClientSize.Width - 50, 260) Dim offset As Single = (page.Canvas.ClientSize.Width - 100) / 12 For i As Integer = 0 To 11 page.Canvas.TranslateTransform(-offset, 0) page.Canvas.SetTransparency(i / 12.0F) page.Canvas.DrawTemplate(template, New PointF(0, 0)) Next i 'restor graphics page.Canvas.Restore(state) End Sub End Class End Namespace
Published in
Drawing
Tuesday, 05 April 2011 07:19
PDF DrawShape in C#, VB.NET
The sample demonstrates how to draw shape to a PDF document.
using System; using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace DrawShape { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); // Create one page PdfPageBase page = doc.Pages.Add(); DrawSpiro(page); DrawPath(page); //Save pdf file. doc.SaveToFile("DrawShape.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("DrawShape.pdf"); } private static void DrawPath(PdfPageBase page) { PointF[] points = new PointF[5]; for (int i = 0; i < points.Length; i++) { float x = (float)Math.Cos(i * 2 * Math.PI / 5); float y = (float)Math.Sin(i * 2 * Math.PI / 5); points[i] = new PointF(x, y); } PdfPath path = new PdfPath(); path.AddLine(points[2], points[0]); path.AddLine(points[0], points[3]); path.AddLine(points[3], points[1]); path.AddLine(points[1], points[4]); path.AddLine(points[4], points[2]); //save graphics state PdfGraphicsState state = page.Canvas.Save(); PdfPen pen = new PdfPen(Color.DeepSkyBlue, 0.02f); PdfBrush brush1 = new PdfSolidBrush(Color.CadetBlue); page.Canvas.ScaleTransform(50f, 50f); page.Canvas.TranslateTransform(5f, 1.2f); page.Canvas.DrawPath(pen, path); page.Canvas.TranslateTransform(2f, 0f); path.FillMode = PdfFillMode.Alternate; page.Canvas.DrawPath(pen, brush1, path); page.Canvas.TranslateTransform(2f, 0f); path.FillMode = PdfFillMode.Winding; page.Canvas.DrawPath(pen, brush1, path); PdfLinearGradientBrush brush2 = new PdfLinearGradientBrush(new PointF(-2, 0), new PointF(2, 0), Color.Red, Color.Blue); page.Canvas.TranslateTransform(-4f, 2f); path.FillMode = PdfFillMode.Alternate; page.Canvas.DrawPath(pen, brush2, path); PdfRadialGradientBrush brush3 = new PdfRadialGradientBrush(new PointF(0f, 0f), 0f, new PointF(0f, 0f), 1f, Color.Red, Color.Blue); page.Canvas.TranslateTransform(2f, 0f); path.FillMode = PdfFillMode.Winding; page.Canvas.DrawPath(pen, brush3, path); PdfTilingBrush brush4 = new PdfTilingBrush(new RectangleF(0, 0, 4f, 4f)); brush4.Graphics.DrawRectangle(brush2, 0, 0, 4f, 4f); page.Canvas.TranslateTransform(2f, 0f); path.FillMode = PdfFillMode.Winding; page.Canvas.DrawPath(pen, brush4, path); //restor graphics page.Canvas.Restore(state); } private static void DrawSpiro(PdfPageBase page) { //save graphics state PdfGraphicsState state = page.Canvas.Save(); //Draw shap - spiro PdfPen pen = PdfPens.DeepSkyBlue; int nPoints = 1000; double r1 = 30; double r2 = 25; double p = 35; double x1 = r1 + r2 - p; double y1 = 0; double x2 = 0; double y2 = 0; page.Canvas.TranslateTransform(100, 100); for (int i = 0; i < nPoints; i++) { double t = i * Math.PI / 90; x2 = (r1 + r2) * Math.Cos(t) - p * Math.Cos((r1 + r2) * t / r2); y2 = (r1 + r2) * Math.Sin(t) - p * Math.Sin((r1 + r2) * t / r2); page.Canvas.DrawLine(pen, (float)x1, (float)y1, (float)x2, (float)y2); x1 = x2; y1 = y2; } //restor graphics page.Canvas.Restore(state); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace DrawShape Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() ' Create one page Dim page As PdfPageBase = doc.Pages.Add() DrawSpiro(page) DrawPath(page) 'Save pdf file. doc.SaveToFile("DrawShape.pdf") doc.Close() 'Launching the Pdf file. Process.Start("DrawShape.pdf") End Sub Private Shared Sub DrawPath(ByVal page As PdfPageBase) Dim points(4) As PointF For i As Integer = 0 To points.Length - 1 Dim x As Single = CSng(Math.Cos(i * 2 * Math.PI / 5)) Dim y As Single = CSng(Math.Sin(i * 2 * Math.PI / 5)) points(i) = New PointF(x, y) Next i Dim path As New PdfPath() path.AddLine(points(2), points(0)) path.AddLine(points(0), points(3)) path.AddLine(points(3), points(1)) path.AddLine(points(1), points(4)) path.AddLine(points(4), points(2)) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() Dim pen As New PdfPen(Color.DeepSkyBlue, 0.02F) Dim brush1 As PdfBrush = New PdfSolidBrush(Color.CadetBlue) page.Canvas.ScaleTransform(50.0F, 50.0F) page.Canvas.TranslateTransform(5.0F, 1.2F) page.Canvas.DrawPath(pen, path) page.Canvas.TranslateTransform(2.0F, 0.0F) path.FillMode = PdfFillMode.Alternate page.Canvas.DrawPath(pen, brush1, path) page.Canvas.TranslateTransform(2.0F, 0.0F) path.FillMode = PdfFillMode.Winding page.Canvas.DrawPath(pen, brush1, path) Dim brush2 As New PdfLinearGradientBrush(New PointF(-2, 0), New PointF(2, 0), Color.Red, Color.Blue) page.Canvas.TranslateTransform(-4.0F, 2.0F) path.FillMode = PdfFillMode.Alternate page.Canvas.DrawPath(pen, brush2, path) Dim brush3 As New PdfRadialGradientBrush(New PointF(0.0F, 0.0F), _ 0.0F, New PointF(0.0F, 0.0F), 1.0F, Color.Red, Color.Blue) page.Canvas.TranslateTransform(2.0F, 0.0F) path.FillMode = PdfFillMode.Winding page.Canvas.DrawPath(pen, brush3, path) Dim brush4 As New PdfTilingBrush(New RectangleF(0, 0, 4.0F, 4.0F)) brush4.Graphics.DrawRectangle(brush2, 0, 0, 4.0F, 4.0F) page.Canvas.TranslateTransform(2.0F, 0.0F) path.FillMode = PdfFillMode.Winding page.Canvas.DrawPath(pen, brush4, path) 'restor graphics page.Canvas.Restore(state) End Sub Private Shared Sub DrawSpiro(ByVal page As PdfPageBase) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() 'Draw shap - spiro Dim pen As PdfPen = PdfPens.DeepSkyBlue Dim nPoints As Integer = 1000 Dim r1 As Double = 30 Dim r2 As Double = 25 Dim p As Double = 35 Dim x1 As Double = r1 + r2 - p Dim y1 As Double = 0 Dim x2 As Double = 0 Dim y2 As Double = 0 page.Canvas.TranslateTransform(100, 100) For i As Integer = 0 To nPoints - 1 Dim t As Double = i * Math.PI / 90 x2 = (r1 + r2) * Math.Cos(t) - p * Math.Cos((r1 + r2) * t / r2) y2 = (r1 + r2) * Math.Sin(t) - p * Math.Sin((r1 + r2) * t / r2) page.Canvas.DrawLine(pen, CSng(x1), CSng(y1), CSng(x2), CSng(y2)) x1 = x2 y1 = y2 Next i 'restor graphics page.Canvas.Restore(state) End Sub End Class End Namespace
Published in
Drawing
Tuesday, 05 April 2011 07:12
PDF DrawText in C#, VB.NET
The sample demonstrates how to draw text to a PDF document.
using System; using System.Drawing; using Spire.Pdf; using Spire.Pdf.Graphics; namespace DrawText { class Program { static void Main(string[] args) { //Create a pdf document. PdfDocument doc = new PdfDocument(); // Create one page PdfPageBase page = doc.Pages.Add(); DrawText(page); AlignText(page); AlignTextInRectangle(page); TransformText(page); RotateText(page); //Save doc file. doc.SaveToFile("DrawText.pdf"); doc.Close(); //Launching the Pdf file. System.Diagnostics.Process.Start("DrawText.pdf"); } private static void RotateText(PdfPageBase page) { //save graphics state PdfGraphicsState state = page.Canvas.Save(); //Draw the text - transform PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 10f); PdfSolidBrush brush = new PdfSolidBrush(Color.Blue); PdfStringFormat centerAlignment = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle); float x = page.Canvas.ClientSize.Width / 2; float y = 380; page.Canvas.TranslateTransform(x, y); for (int i = 0; i < 12; i++) { page.Canvas.RotateTransform(30); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, 20, 0, centerAlignment); } //restor graphics page.Canvas.Restore(state); } private static void TransformText(PdfPageBase page) { //save graphics state PdfGraphicsState state = page.Canvas.Save(); //Draw the text - transform PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f); PdfSolidBrush brush1 = new PdfSolidBrush(Color.DeepSkyBlue); PdfSolidBrush brush2 = new PdfSolidBrush(Color.CadetBlue); page.Canvas.TranslateTransform(20, 200); page.Canvas.ScaleTransform(1f, 0.6f); page.Canvas.SkewTransform(-10, 0); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush1, 0, 0); page.Canvas.SkewTransform(10, 0); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, 0); page.Canvas.ScaleTransform(1f, -1f); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, -2 * 18); //restor graphics page.Canvas.Restore(state); } private static void AlignTextInRectangle(PdfPageBase page) { //Draw the text - align in rectangle PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 10f); PdfSolidBrush brush = new PdfSolidBrush(Color.Blue); RectangleF rctg1 = new RectangleF(0, 70, page.Canvas.ClientSize.Width / 2, 100); RectangleF rctg2 = new RectangleF(page.Canvas.ClientSize.Width / 2, 70, page.Canvas.ClientSize.Width / 2, 100); page.Canvas.DrawRectangle(new PdfSolidBrush(Color.LightBlue), rctg1); page.Canvas.DrawRectangle(new PdfSolidBrush(Color.LightSkyBlue), rctg2); PdfStringFormat leftAlignment = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Top); page.Canvas.DrawString("Left! Left!", font, brush, rctg1, leftAlignment); page.Canvas.DrawString("Left! Left!", font, brush, rctg2, leftAlignment); PdfStringFormat rightAlignment = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle); page.Canvas.DrawString("Right! Right!", font, brush, rctg1, rightAlignment); page.Canvas.DrawString("Right! Right!", font, brush, rctg2, rightAlignment); PdfStringFormat centerAlignment = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Bottom); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg1, centerAlignment); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg2, centerAlignment); } private static void AlignText(PdfPageBase page) { //Draw the text - alignment PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 20f); PdfSolidBrush brush = new PdfSolidBrush(Color.Blue); PdfStringFormat leftAlignment = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle); page.Canvas.DrawString("Left!", font, brush, 0, 20, leftAlignment); page.Canvas.DrawString("Left!", font, brush, 0, 50, leftAlignment); PdfStringFormat rightAlignment = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle); page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 30, rightAlignment); page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 60, rightAlignment); PdfStringFormat centerAlignment = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle); page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, page.Canvas.ClientSize.Width / 2, 40, centerAlignment); } private static void DrawText(PdfPageBase page) { //save graphics state PdfGraphicsState state = page.Canvas.Save(); //Draw text - brush String text = "Go! Turn Around! Go! Go! Go!"; PdfPen pen = PdfPens.DeepSkyBlue; PdfSolidBrush brush = new PdfSolidBrush(Color.White); PdfStringFormat format = new PdfStringFormat(); PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f, PdfFontStyle.Italic); SizeF size = font.MeasureString(text, format); RectangleF rctg = new RectangleF(page.Canvas.ClientSize.Width / 2 + 10, 180, size.Width / 3 * 2, size.Height * 2); page.Canvas.DrawString(text, font, pen, brush, rctg, format); //restor graphics page.Canvas.Restore(state); } } }
Imports System.Drawing Imports Spire.Pdf Imports Spire.Pdf.Graphics Namespace DrawText Friend Class Program Shared Sub Main(ByVal args() As String) 'Create a pdf document. Dim doc As New PdfDocument() ' Create one page Dim page As PdfPageBase = doc.Pages.Add() DrawText(page) AlignText(page) AlignTextInRectangle(page) TransformText(page) RotateText(page) 'Save doc file. doc.SaveToFile("DrawText.pdf") doc.Close() 'Launching the Pdf file. Process.Start("DrawText.pdf") End Sub Private Shared Sub RotateText(ByVal page As PdfPageBase) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() 'Draw the text - transform Dim font As New PdfFont(PdfFontFamily.Helvetica, 10.0F) Dim brush As New PdfSolidBrush(Color.Blue) Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle) Dim x As Single = page.Canvas.ClientSize.Width \ 2 Dim y As Single = 380 page.Canvas.TranslateTransform(x, y) For i As Integer = 0 To 11 page.Canvas.RotateTransform(30) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, 20, 0, centerAlignment) Next i 'restor graphics page.Canvas.Restore(state) End Sub Private Shared Sub TransformText(ByVal page As PdfPageBase) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() 'Draw the text - transform Dim font As New PdfFont(PdfFontFamily.Helvetica, 18.0F) Dim brush1 As New PdfSolidBrush(Color.DeepSkyBlue) Dim brush2 As New PdfSolidBrush(Color.CadetBlue) page.Canvas.TranslateTransform(20, 200) page.Canvas.ScaleTransform(1.0F, 0.6F) page.Canvas.SkewTransform(-10, 0) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush1, 0, 0) page.Canvas.SkewTransform(10, 0) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, 0) page.Canvas.ScaleTransform(1.0F, -1.0F) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, -2 * 18) 'restor graphics page.Canvas.Restore(state) End Sub Private Shared Sub AlignTextInRectangle(ByVal page As PdfPageBase) 'Draw the text - align in rectangle Dim font As New PdfFont(PdfFontFamily.Helvetica, 10.0F) Dim brush As New PdfSolidBrush(Color.Blue) Dim rctg1 As New RectangleF(0, 70, page.Canvas.ClientSize.Width \ 2, 100) Dim rctg2 As New RectangleF(page.Canvas.ClientSize.Width \ 2, 70, page.Canvas.ClientSize.Width \ 2, 100) page.Canvas.DrawRectangle(New PdfSolidBrush(Color.LightBlue), rctg1) page.Canvas.DrawRectangle(New PdfSolidBrush(Color.LightSkyBlue), rctg2) Dim leftAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Top) page.Canvas.DrawString("Left! Left!", font, brush, rctg1, leftAlignment) page.Canvas.DrawString("Left! Left!", font, brush, rctg2, leftAlignment) Dim rightAlignment As New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle) page.Canvas.DrawString("Right! Right!", font, brush, rctg1, rightAlignment) page.Canvas.DrawString("Right! Right!", font, brush, rctg2, rightAlignment) Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Bottom) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg1, centerAlignment) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg2, centerAlignment) End Sub Private Shared Sub AlignText(ByVal page As PdfPageBase) 'Draw the text - alignment Dim font As New PdfFont(PdfFontFamily.Helvetica, 20.0F) Dim brush As New PdfSolidBrush(Color.Blue) Dim leftAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle) page.Canvas.DrawString("Left!", font, brush, 0, 20, leftAlignment) page.Canvas.DrawString("Left!", font, brush, 0, 50, leftAlignment) Dim rightAlignment As New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle) page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 30, rightAlignment) page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 60, rightAlignment) Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle) page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", _ font, brush, page.Canvas.ClientSize.Width \ 2, 40, centerAlignment) End Sub Private Shared Sub DrawText(ByVal page As PdfPageBase) 'save graphics state Dim state As PdfGraphicsState = page.Canvas.Save() 'Draw text - brush Dim text As String = "Go! Turn Around! Go! Go! Go!" Dim pen As PdfPen = PdfPens.DeepSkyBlue Dim brush As New PdfSolidBrush(Color.White) Dim format As New PdfStringFormat() Dim font As New PdfFont(PdfFontFamily.Helvetica, 18.0F, PdfFontStyle.Italic) Dim size As SizeF = font.MeasureString(text, format) Dim rctg As New RectangleF(page.Canvas.ClientSize.Width \ 2 + 10, 180, size.Width \ 3 * 2, size.Height * 2) page.Canvas.DrawString(text, font, pen, brush, rctg, format) 'restor graphics page.Canvas.Restore(state) End Sub End Class End Namespace
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Drawing