基本信息
源码名称:PDF转图片各DLL示例代码
源码大小:19.56M
文件格式:.rar
开发语言:C#
更新时间:2020-09-16
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源码介绍
{
One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9, Ten = 10
}
/// <summary>
/// 将PDF文档转换为图片的方法
/// </summary>
/// <param name="pdfInputPath">PDF文件路径</param>
/// <param name="imageOutputPath">图片输出路径</param>
/// <param name="imageName">生成图片的名字</param>
/// <param name="startPageNum">从PDF文档的第几页开始转换</param>
/// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
/// <param name="imageFormat">设置所需图片格式</param>
/// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
public static void ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
{
PDFFile pdfFile = PDFFile.Open(pdfInputPath);
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
// validate pageNum
if (startPageNum <= 0)
{
startPageNum = 1;
}
if (endPageNum > pdfFile.PageCount)
{
endPageNum = pdfFile.PageCount;
}
if (startPageNum > endPageNum)
{
int tempPageNum = startPageNum;
startPageNum = endPageNum;
endPageNum = startPageNum;
}
// start to convert each page
for (int i = startPageNum; i <= endPageNum; i )
{
Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
pageImage.Save(imageOutputPath imageName i.ToString() "." imageFormat.ToString(), imageFormat);
pageImage.Dispose();
}
pdfFile.Dispose();
}
public static void Main(string[] args)
{
ConvertPDF2Image("C:\\FileServer\\test.pdf", "C:\\FileServer\\", "test", 1, 5, ImageFormat.Jpeg, Definition.One);
}
Acrobat、Ghostscript、O2S.Components.PDFRender4NET、PDFLibNet等这些DLL及demo;
PDF转图片各DLL示例代码
├── pdf2image.ABCpdf.rar
├── pdf2image.Acrobat.rar
├── pdf2image.Apitron.PDF.Rasterizer.rar
├── pdf2image.Ghostscript.rar
├── pdf2image.O2S.Components.PDFRender4NET.rar
├── pdf2image.PDFLibNet.rar
├── pdf2image.SautinSoft.PdfFocus.rar
└── pdf2image.TallComponents.PDF.Rasterizer.rar
0 directories, 8 files
public enum Definition
{
One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9, Ten = 10
}
/// <summary>
/// 将PDF文档转换为图片的方法
/// </summary>
/// <param name="pdfInputPath">PDF文件路径</param>
/// <param name="imageOutputPath">图片输出路径</param>
/// <param name="imageName">生成图片的名字</param>
/// <param name="startPageNum">从PDF文档的第几页开始转换</param>
/// <param name="endPageNum">从PDF文档的第几页开始停止转换</param>
/// <param name="imageFormat">设置所需图片格式</param>
/// <param name="definition">设置图片的清晰度,数字越大越清晰</param>
public static void ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, Definition definition)
{
PDFFile pdfFile = PDFFile.Open(pdfInputPath);
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
// validate pageNum
if (startPageNum <= 0)
{
startPageNum = 1;
}
if (endPageNum > pdfFile.PageCount)
{
endPageNum = pdfFile.PageCount;
}
if (startPageNum > endPageNum)
{
int tempPageNum = startPageNum;
startPageNum = endPageNum;
endPageNum = startPageNum;
}
// start to convert each page
for (int i = startPageNum; i <= endPageNum; i )
{
Bitmap pageImage = pdfFile.GetPageImage(i - 1, 56 * (int)definition);
pageImage.Save(imageOutputPath imageName i.ToString() "." imageFormat.ToString(), imageFormat);
pageImage.Dispose();
}
pdfFile.Dispose();
}
public static void Main(string[] args)
{
ConvertPDF2Image("C:\\FileServer\\test.pdf", "C:\\FileServer\\", "test", 1, 5, ImageFormat.Jpeg, Definition.One);
}