最近因工作需要根據需求將一個圖片插入到新建的PDF文件中，翻閱了不少資料，發現有ITestSharp，PDFSharp，經過比較發現PDFSharp效率比較不錯，適合網站使用，如果有些需求搞不定考慮兩者同時使用互補。
官網：http://www.pdfsharp.net/wiki/(S(5zdh0aejiwpjz1nhkty33bz5))/Default.aspx?AspxAutoDetectCookieSupport=1
示例：http://www.pdfsharp.net/wiki/PDFsharpSamples.ashx
使用說明
下載使用release版本的pdfSharp.dll,然後建立如下兩個類：
/// <summary>
/// The base class with some helper functions.
/// </summary>
public class Base
{
protected XColor backColor;
protected XColor backColor2;
protected XColor shadowColor;
protected double borderWidth;
protected XPen borderPen;
protected static PdfDocument s_document { get; set; }
protected Base(PdfDocument document)
{
s_document = document;
this.backColor = XColors.Ivory;
this.backColor2 = XColors.WhiteSmoke;
this.backColor = XColor.FromArgb(212, 224, 240);
this.backColor2 = XColor.FromArgb(253, 254, 254);
this.shadowColor = XColors.Gainsboro;
this.borderWidth = 4.5;
this.borderPen = new XPen(XColor.FromArgb(94, 118, 151), this.borderWidth);//new XPen(XColors.SteelBlue, this.borderWidth);
}
/// <summary>
/// Draws the page title and footer.
/// </summary>
public void DrawTitle(PdfPage page, XGraphics gfx, string title)
{
XRect rect = new XRect(new XPoint(), gfx.PageSize);
rect.Inflate(-10, -15);
XFont font = new XFont("Verdana", 14, XFontStyle.Bold);
gfx.DrawString(title, font, XBrushes.MidnightBlue, rect, XStringFormats.TopCenter);
rect.Offset(0, 5);
font = new XFont("Verdana", 8, XFontStyle.Italic);
XStringFormat format = new XStringFormat();
format.Alignment = XStringAlignment.Near;
format.LineAlignment = XLineAlignment.Far;
gfx.DrawString("Created with " + PdfSharp.ProductVersionInfo.Producer, font, XBrushes.DarkOrchid, rect, format);
font = new XFont("Verdana", 8);
format.Alignment = XStringAlignment.Center;
gfx.DrawString(s_document.PageCount.ToString(), font, XBrushes.DarkOrchid, rect, format);
s_document.Outlines.Add(title, page, true);
}
/// <summary>
/// Draws a sample box.
/// </summary>
public void BeginBox(XGraphics gfx, int number, string title)
{
const int dEllipse = 15;
XRect rect = new XRect(0, 20, 300, 200);
if (number % 2 == 0)
rect.X = 300 - 5;
rect.Y = 40 + ((number - 1) / 2) * (200 - 5);
rect.Inflate(-10, -10);
XRect rect2 = rect;
rect2.Offset(this.borderWidth, this.borderWidth);
gfx.DrawRoundedRectangle(new XSolidBrush(this.shadowColor), rect2, new XSize(dEllipse + 8, dEllipse + 8));
XLinearGradientBrush brush = new XLinearGradientBrush(rect, this.backColor, this.backColor2, XLinearGradientMode.Vertical);
gfx.DrawRoundedRectangle(this.borderPen, brush, rect, new XSize(dEllipse, dEllipse));
rect.Inflate(-5, -5);
XFont font = new XFont("Verdana", 12, XFontStyle.Regular);
gfx.DrawString(title, font, XBrushes.Navy, rect, XStringFormats.TopCenter);
rect.Inflate(-10, -5);
rect.Y += 20;
rect.Height -= 20;
//gfx.DrawRectangle(XPens.Red, rect);
this.state = gfx.Save();
gfx.TranslateTransform(rect.X, rect.Y);
}
public void EndBox(XGraphics gfx)
{
gfx.Restore(this.state);
}
/// <summary>
/// Gets a five-pointed star with the specified size and center.
/// </summary>
protected static XPoint[] GetPentagram(double size, XPoint center)
{
XPoint[] points = Pentagram.Clone() as XPoint[];
for (int idx = 0; idx < 5; idx++)
{
points[idx].X = points[idx].X * size + center.X;
points[idx].Y = points[idx].Y * size + center.Y;
}
return points;
}
/// <summary>
/// Gets a normalized five-pointed star.
/// </summary>
static XPoint[] Pentagram
{
get
{
if (pentagram == null)
{
int[] order = new int[] { 0, 3, 1, 4, 2 };
pentagram = new XPoint[5];
for (int idx = 0; idx < 5; idx++)
{
double rad = order[idx] * 2 * Math.PI / 5 - Math.PI / 10;
pentagram[idx].X = Math.Cos(rad);
pentagram[idx].Y = Math.Sin(rad);
}
}
return pentagram;
}
}
static XPoint[] pentagram;
XGraphicsState state;
} public class PDFSharpImages : Base
{
public PDFSharpImages(PdfDocument documnet)
: base(documnet)
{
}
public void DrawImage(XGraphics gfx,string jpegSamplePath)
{
// BeginBox(gfx, number, "DrawImage (original)");
XImage image = XImage.FromFile(jpegSamplePath);
double x = (gfx.PageSize.Width - image.PixelWidth * 72 / image.HorizontalResolution)/2;
double y = (gfx.PageSize.Height - image.PixelHeight*72/image.VerticalResolution) / 2;
gfx.DrawImage(image, x,y);
// EndBox(gfx);
}
}使用示例
class Program
{
static void Main(string[] args)
{
#region image Sample
string filename = "HelloWorld.pdf";
PdfDocument document = new PdfDocument();
string path = @"H:\開源項目\PDFSharp\PDFTest\PDFTest\bin\Debug\Images\Test (OS2).bmp";
//// Create an empty page
//Image image = Image.FromFile(path);
PDFSharpImages PDFImage = new PDFSharpImages(document);
//PDFImage.DrawImage(document, image,10, 10);
PdfPage page = document.AddPage();
page.Size = PdfSharp.PageSize.A4;
// ////// Get an XGraphics object for drawing
XGraphics gfx = XGraphics.FromPdfPage(page);
PDFImage.DrawImage(gfx, path);
document.Save(filename);
//// ...and start a viewer.
Process.Start(filename);
#endregion
}
}歡迎推薦一些開源的小系統，要求是能用，好用，方便，我有時間研究研究同時寫出使用心得，爲後來者快速入手帶來幫助。
