Essential PDF是一种能够生成PDF文档的.NET程序库。它为使用任何.NET语言简单地创建PDF文件提供了一个完整的对象模型。它是用C#语言从头开始编写的，无需使用任何外部的程序库。它可以用于服务器端程序（ASP.NET或者是任何其它的环境）或者是Window应用程序。
总的特色：
- Essential PDF由一套内容广泛的API构成，使用文本和丰富的图表包括自定义的绘画和图像，来创建Adobe PDF文档。下面是Essential PDF支持的一些特色。
支持绘画
- Essential PDF提供了一套内容广泛的API绘画，可以用于绘制文本和各种各样的形状比如长方形、弧形、圆、椭圆、曲线、轨迹线和多边形。
图像
- Essential PDF支持从二进制流、磁盘上的文件和System. Drawing. Bitmap对象中加载图像。
图像可以调整大小和以要求的大小插入到PDF文档中，甚至支持透明化和蒙版这样的高级特性。
字体
- Essential PDF支持14种预定义的字体，自定义字体和原型字体。
表格
- Essential PDF支持表格插入到PDF文档中。表格支持自动分页，自定义格式和导入一个ADO.NET的数据表。
- 这简化了将表格数据插入到PDF文档的过程。
- 自动分页
- 导入ADO.NET数据表
- 复制表头
- 格式化表格
安全性
- Essential PDF支持设置所产生的PDF文档的安全性
允许打印/复制
密码保护
Essential PDF is a .NET library that can produce Adobe PDF files. It features a full fledged object model for the easy creation of PDF files from any .NET language. It does not use any external libraries and is built from scratch in C#. It can be used on on the server side (ASP.NET or any other environment) or with Windows Forms applications.
General Features
- Essential PDF consists of a comprehensive set of API's to create Adobe® PDF documents with text and rich graphics including custom drawing and images. Here is a list of some of the general features that are supported by Essential PDF.
Drawing Support
- Essential PDF exposes a comprehensive set of drawing API's that can be used to draw text and a variety of shapes like Rectangle, Arc, Circle, Ellipse, CurveBezier, Path and Polygons.
Images
- Essential PDF has support for loading images from streams, file on disk and System.Drawing.Bitmap Object.
- Images can also be resized and inserted into the pdf document at the required size. Even advanced features like Transparency and Soft Masking are supported.
Fonts
- Essential PDF supports 14 predefined fonts, Custom fonts and True Type fonts.
Tables
- Essential PDF has support for tables that can be insterted into the PDF Document. The table has support for AutoPageBreaks, Custom Formatting and importing an ADO.NET datatable.
- This greatly simplifies the process of inserting tabular data into the PDF document.
- Auto PageBreaks
- Import ADO.NET Datatable
- Repeat Table Header
- Format Table
Security
- Essential PDF also has support for setting the security of the generated PDF document.
