Wednesday, 06 April 2011 01:41
PDF Template in C#, VB.NET
The sample demonstrates how to set PDF documentaion template, page header&footer, page number and automatic page number count.

using System;
using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.AutomaticFields;
using Spire.Pdf.Graphics;
namespace Template
{
class Program
{
static void Main(string[] args)
{
//Create a pdf document.
PdfDocument doc = new PdfDocument();
doc.ViewerPreferences.PageLayout = PdfPageLayout.TwoColumnLeft;
//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;
SetDocumentTemplate(doc, PdfPageSize.A4, margin);
//create section
PdfSection section = doc.Sections.Add();
section.PageSettings.Size = PdfPageSize.A4;
section.PageSettings.Margins = new PdfMargins(0);
SetSectionTemplate(section, PdfPageSize.A4, margin, "Section 1");
// Create one page
PdfNewPage page = section.Pages.Add();
//Draw page
DrawPage(page);
page = section.Pages.Add();
DrawPage(page);
page = section.Pages.Add();
DrawPage(page);
page = section.Pages.Add();
DrawPage(page);
page = section.Pages.Add();
DrawPage(page);
//Save pdf file.
doc.SaveToFile("Template.pdf");
doc.Close();
//Launching the Pdf file.
System.Diagnostics.Process.Start("Template.pdf");
}
private static void DrawPage(PdfNewPage page)
{
float pageWidth = page.Canvas.ClientSize.Width;
float y = 0;
//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;
String text = "Summary of Science";
page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2);
SizeF 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);
}
private static void SetSectionTemplate(PdfSection section, SizeF pageSize, PdfMargins margin, string label)
{
PdfPageTemplateElement leftSpace
= new PdfPageTemplateElement(margin.Left, pageSize.Height);
leftSpace.Foreground = true;
section.Template.OddLeft = leftSpace;
PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", 9f, FontStyle.Italic));
PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);
float y = (pageSize.Height - margin.Top - margin.Bottom) * (1 - 0.618f);
RectangleF bounds
= new RectangleF(10, y, margin.Left - 20, font.Height + 6);
leftSpace.Graphics.DrawRectangle(PdfBrushes.OrangeRed, bounds);
leftSpace.Graphics.DrawString(label, font, PdfBrushes.White, bounds, format);
PdfPageTemplateElement rightSpace
= new PdfPageTemplateElement(margin.Right, pageSize.Height);
rightSpace.Foreground = true;
section.Template.EvenRight = rightSpace;
bounds
= new RectangleF(10, y, margin.Right - 20, font.Height + 6);
rightSpace.Graphics.DrawRectangle(PdfBrushes.SaddleBrown, bounds);
rightSpace.Graphics.DrawString(label, font, PdfBrushes.White, bounds, format);
}
private static void SetDocumentTemplate(PdfDocument doc, SizeF pageSize, PdfMargins margin)
{
PdfPageTemplateElement leftSpace
= new PdfPageTemplateElement(margin.Left, pageSize.Height);
doc.Template.Left = leftSpace;
PdfPageTemplateElement topSpace
= new PdfPageTemplateElement(pageSize.Width, margin.Top);
topSpace.Foreground = true;
doc.Template.Top = topSpace;
//draw header label
PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", 9f, FontStyle.Italic));
PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Right);
String label = "Demo of Spire.Pdf";
SizeF size = font.MeasureString(label, format);
float y = topSpace.Height - font.Height - 1;
PdfPen pen = new PdfPen(Color.Black, 0.75f);
topSpace.Graphics.SetTransparency(0.5f);
topSpace.Graphics.DrawLine(pen, margin.Left, y, pageSize.Width - margin.Right, y);
y = y - 1 - size.Height;
topSpace.Graphics.DrawString(label, font, PdfBrushes.Black, pageSize.Width - margin.Right, y, format);
PdfPageTemplateElement rightSpace
= new PdfPageTemplateElement(margin.Right, pageSize.Height);
doc.Template.Right = rightSpace;
PdfPageTemplateElement bottomSpace
= new PdfPageTemplateElement(pageSize.Width, margin.Bottom);
bottomSpace.Foreground = true;
doc.Template.Bottom = bottomSpace;
//draw footer label
y = font.Height + 1;
bottomSpace.Graphics.SetTransparency(0.5f);
bottomSpace.Graphics.DrawLine(pen, margin.Left, y, pageSize.Width - margin.Right, y);
y = y + 1;
PdfPageNumberField pageNumber = new PdfPageNumberField();
PdfPageCountField pageCount = new PdfPageCountField();
PdfCompositeField pageNumberLabel = new PdfCompositeField();
pageNumberLabel.AutomaticFields
= new PdfAutomaticField[] { pageNumber, pageCount };
pageNumberLabel.Brush = PdfBrushes.Black;
pageNumberLabel.Font = font;
pageNumberLabel.StringFormat = format;
pageNumberLabel.Text = "page {0} of {1}";
pageNumberLabel.Draw(bottomSpace.Graphics, pageSize.Width - margin.Right, y);
PdfImage headerImage
= PdfImage.FromFile(@"Header.png");
PointF pageLeftTop = new PointF(-margin.Left, -margin.Top);
PdfPageTemplateElement header
= new PdfPageTemplateElement(pageLeftTop, headerImage.PhysicalDimension);
header.Foreground = false;
header.Graphics.SetTransparency(0.5f);
header.Graphics.DrawImage(headerImage, 0, 0);
doc.Template.Stamps.Add(header);
PdfImage footerImage
= PdfImage.FromFile(@"Footer.png");
y = pageSize.Height - footerImage.PhysicalDimension.Height;
PointF footerLocation = new PointF(-margin.Left, y);
PdfPageTemplateElement footer
= new PdfPageTemplateElement(footerLocation, footerImage.PhysicalDimension);
footer.Foreground = false;
footer.Graphics.SetTransparency(0.5f);
footer.Graphics.DrawImage(footerImage, 0, 0);
doc.Template.Stamps.Add(footer);
}
}
}
Imports System.Drawing
Imports Spire.Pdf
Imports Spire.Pdf.Graphics
Imports System.Text
Imports Spire.Pdf.AutomaticFields
Namespace Template
Friend Class Program
Shared Sub Main(ByVal args() As String)
'Create a pdf document.
Dim doc As New PdfDocument()
doc.ViewerPreferences.PageLayout = PdfPageLayout.TwoColumnLeft
'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
SetDocumentTemplate(doc, PdfPageSize.A4, margin)
'create section
Dim section As PdfSection = doc.Sections.Add()
section.PageSettings.Size = PdfPageSize.A4
section.PageSettings.Margins = New PdfMargins(0)
SetSectionTemplate(section, PdfPageSize.A4, margin, "Section 1")
' Create one page
Dim page As PdfNewPage = section.Pages.Add()
'Draw page
DrawPage(page)
page = section.Pages.Add()
DrawPage(page)
page = section.Pages.Add()
DrawPage(page)
page = section.Pages.Add()
DrawPage(page)
page = section.Pages.Add()
DrawPage(page)
'Save pdf file.
doc.SaveToFile("Template.pdf")
doc.Close()
'Launching the Pdf file.
Process.Start("Template.pdf")
End Sub
Private Shared Sub DrawPage(ByVal page As PdfNewPage)
Dim pageWidth As Single = page.Canvas.ClientSize.Width
Dim y As Single = 0
'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
Dim text As String = "Summary of Science"
page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2)
Dim size As SizeF = 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)
End Sub
Private Shared Sub SetSectionTemplate(ByVal section As PdfSection, ByVal pageSize As SizeF, _
ByVal margin As PdfMargins, ByVal label As String)
Dim leftSpace As New PdfPageTemplateElement(margin.Left, pageSize.Height)
leftSpace.Foreground = True
section.Template.OddLeft = leftSpace
Dim font As New PdfTrueTypeFont(New Font("Arial", 9.0F, FontStyle.Italic))
Dim format As New PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle)
Dim y As Single = (pageSize.Height - margin.Top - margin.Bottom) * (1 - 0.618F)
Dim bounds As New RectangleF(10, y, margin.Left - 20, font.Height + 6)
leftSpace.Graphics.DrawRectangle(PdfBrushes.OrangeRed, bounds)
leftSpace.Graphics.DrawString(label, font, PdfBrushes.White, bounds, format)
Dim rightSpace As New PdfPageTemplateElement(margin.Right, pageSize.Height)
rightSpace.Foreground = True
section.Template.EvenRight = rightSpace
bounds = New RectangleF(10, y, margin.Right - 20, font.Height + 6)
rightSpace.Graphics.DrawRectangle(PdfBrushes.SaddleBrown, bounds)
rightSpace.Graphics.DrawString(label, font, PdfBrushes.White, bounds, format)
End Sub
Private Shared Sub SetDocumentTemplate(ByVal doc As PdfDocument, ByVal pageSize As SizeF, _
ByVal margin As PdfMargins)
Dim leftSpace As New PdfPageTemplateElement(margin.Left, pageSize.Height)
doc.Template.Left = leftSpace
Dim topSpace As New PdfPageTemplateElement(pageSize.Width, margin.Top)
topSpace.Foreground = True
doc.Template.Top = topSpace
'draw header label
Dim font As New PdfTrueTypeFont(New Font("Arial", 9.0F, FontStyle.Italic))
Dim format As New PdfStringFormat(PdfTextAlignment.Right)
Dim label As String = "Demo of Spire.Pdf"
Dim size As SizeF = font.MeasureString(label, format)
Dim y As Single = topSpace.Height - font.Height - 1
Dim pen As New PdfPen(Color.Black, 0.75F)
topSpace.Graphics.SetTransparency(0.5F)
topSpace.Graphics.DrawLine(pen, margin.Left, y, pageSize.Width - margin.Right, y)
y = y - 1 - size.Height
topSpace.Graphics.DrawString(label, font, PdfBrushes.Black, pageSize.Width - margin.Right, y, format)
Dim rightSpace As New PdfPageTemplateElement(margin.Right, pageSize.Height)
doc.Template.Right = rightSpace
Dim bottomSpace As New PdfPageTemplateElement(pageSize.Width, margin.Bottom)
bottomSpace.Foreground = True
doc.Template.Bottom = bottomSpace
'draw footer label
y = font.Height + 1
bottomSpace.Graphics.SetTransparency(0.5F)
bottomSpace.Graphics.DrawLine(pen, margin.Left, y, pageSize.Width - margin.Right, y)
y = y + 1
Dim pageNumber As New PdfPageNumberField()
Dim pageCount As New PdfPageCountField()
Dim pageNumberLabel As New PdfCompositeField()
pageNumberLabel.AutomaticFields = New PdfAutomaticField() {pageNumber, pageCount}
pageNumberLabel.Brush = PdfBrushes.Black
pageNumberLabel.Font = font
pageNumberLabel.StringFormat = format
pageNumberLabel.Text = "page {0} of {1}"
pageNumberLabel.Draw(bottomSpace.Graphics, pageSize.Width - margin.Right, y)
Dim headerImage As PdfImage = PdfImage.FromFile("Header.png")
Dim pageLeftTop As New PointF(-margin.Left, -margin.Top)
Dim header As New PdfPageTemplateElement(pageLeftTop, headerImage.PhysicalDimension)
header.Foreground = False
header.Graphics.SetTransparency(0.5F)
header.Graphics.DrawImage(headerImage, 0, 0)
doc.Template.Stamps.Add(header)
Dim footerImage As PdfImage = PdfImage.FromFile("Footer.png")
y = pageSize.Height - footerImage.PhysicalDimension.Height
Dim footerLocation As New PointF(-margin.Left, y)
Dim footer As New PdfPageTemplateElement(footerLocation, footerImage.PhysicalDimension)
footer.Foreground = False
footer.Graphics.SetTransparency(0.5F)
footer.Graphics.DrawImage(footerImage, 0, 0)
doc.Template.Stamps.Add(footer)
End Sub
End Class
End Namespace
Published in
Page
Tuesday, 05 April 2011 07:21
PDF DrawImage in C#, VB.NET
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
