public void ConvertToJPEG(string _ruta, string _source, int width, int height)
{
Bitmap bitmap = null;
Apitron.PDF.Rasterizer.Document document = null;
try
{
using (FileStream fs = new FileStream(_ruta, FileMode.Open))
{
document = new Apitron.PDF.Rasterizer.Document(fs);
Apitron.PDF.Rasterizer.Configuration.RenderingSettings settings = new Apitron.PDF.Rasterizer.Configuration.RenderingSettings();
Apitron.PDF.Rasterizer.Page currentPage = document.Pages[0];
using (bitmap = currentPage.Render(width, height, settings))
{
bitmap.Save(string.Format(@"C:\temp\SGUV-IMG\{0}.png", 0), ImageFormat.Png);
}
}
}
catch (Exception)
{
}
finally
{
document.Dispose();
}
}
/// <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)
{
FileStream fs = new FileStream(pdfInputPath, FileMode.Open);
Apitron.PDF.Rasterizer.Document doc = new Apitron.PDF.Rasterizer.Document(fs);
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
// validate pageNum
if (startPageNum <= 0)
{
startPageNum = 1;
}
if (endPageNum > doc.Pages.Count)
{
endPageNum = doc.Pages.Count;
}
if (startPageNum > endPageNum)
{
int tempPageNum = startPageNum;
startPageNum = endPageNum;
endPageNum = startPageNum;
}
// start to convert each page 0-based numeration
for (int i = startPageNum - 1; i <= endPageNum - 1; i++)
{
RenderingSettings option = new RenderingSettings();
option.DrawImages = true;
option.DrawText = true;
option.DrawAnotations = true;
doc.Pages[i].Render((int)doc.Pages[i].Width, (int)doc.Pages[i].Height, option).Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat, imageFormat);
}
fs.Dispose();
}
/// <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)
{
FileStream fs = new FileStream(pdfInputPath, FileMode.Open);
Apitron.PDF.Rasterizer.Document doc = new Apitron.PDF.Rasterizer.Document(fs);
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
// validate pageNum
if (startPageNum <= 0)
{
startPageNum = 1;
}
if (endPageNum > doc.Pages.Count)
{
endPageNum = doc.Pages.Count;
}
if (startPageNum > endPageNum)
{
int tempPageNum = startPageNum;
startPageNum = endPageNum;
endPageNum = startPageNum;
}
// start to convert each page 0-based numeration
for (int i = startPageNum-1; i <= endPageNum-1; i++)
{
RenderingSettings option = new RenderingSettings();
option.DrawImages = true;
option.DrawText = true;
option.DrawAnotations = true;
doc.Pages[i].Render((int) doc.Pages[i].Width, (int) doc.Pages[i].Height, option).Save(imageOutputPath + imageName + i.ToString() + "." + imageFormat, imageFormat);
}
fs.Dispose();
}
