本文整理汇总了C#中PdfDocument.SaveAsImage方法的典型用法代码示例。如果您正苦于以下问题：C# PdfDocument.SaveAsImage方法的具体用法？C# PdfDocument.SaveAsImage怎么用？C# PdfDocument.SaveAsImage使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PdfDocument的用法示例。
在下文中一共展示了PdfDocument.SaveAsImage方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
static void Main(string[] args)
{
// Check if path was provided
if (args.Length == 0)
{
Console.WriteLine("Please enter a path to read for image/PDF files! Exiting..");
return;
}
var path = args[0];
if (!System.IO.Directory.Exists(path))
{
Console.WriteLine("Invalid path, does not exist! Exiting..");
return;
}
var outputPath = Path.Combine(path, "output");
if (!System.IO.Directory.Exists(outputPath))
System.IO.Directory.CreateDirectory(outputPath);
var files = System.IO.Directory.EnumerateFiles(path, "*.*", SearchOption.TopDirectoryOnly)
.Where(
f => f.ToLower().EndsWith(".jpg") ||
f.ToLower().EndsWith(".jpeg") ||
f.ToLower().EndsWith(".png") ||
f.ToLower().EndsWith(".pdf"));
foreach (var file in files)
{
var lowerFile = file.ToLower();
if (lowerFile.EndsWith(".pdf"))
{
Console.WriteLine($"Current file: {file}");
var pdf = new PdfDocument();
pdf.LoadFromFile(file);
// Save first page of PDF
using (var bmp = pdf.SaveAsImage(0))
{
var outputFilename = Path.Combine(outputPath, $"{Path.GetFileNameWithoutExtension(file)}.jpg");
Console.WriteLine($"Saving jpg to {outputFilename}");
bmp.Save(outputFilename, ImageFormat.Jpeg);
}
}
else if (lowerFile.EndsWith(".png"))
{
Console.WriteLine($"Current file: {file}");
RotateImageIfNeeded(file, outputPath);
}
else if (lowerFile.EndsWith(".jpg") || lowerFile.EndsWith(".jpeg"))
{
Console.WriteLine($"Current file: {file}");
try
{
var dirs = ImageMetadataReader.ReadMetadata(file);
if (dirs.Any())
{
Console.WriteLine("meta data to read");
}
var dir = dirs.Where(d => d.Name.Equals("Exif IFD0")).SingleOrDefault();
if (dir != null)
{
var orientation = dir.Tags.Where(t => t.TagName.Equals("Orientation")).SingleOrDefault();
if (orientation != null)
{
Console.WriteLine($"-- orientation = {orientation.Description}, dir name = {dir.Name}");
ExifRotateImageIfNeeded(file, outputPath);
}
else
{
Console.WriteLine("-- orientation not found!");
RotateImageIfNeeded(file, outputPath);
}
}
else
{
Console.WriteLine("-- orientation not found!");
RotateImageIfNeeded(file, outputPath);
}
//foreach (var dir in dirs)
//{
// {
// }
//}
//foreach (var tag in dir.Tags)
// Console.WriteLine($"{dir.Name} - {tag.TagName} = {tag.Description}");
}
catch (Exception ex)
{
Console.WriteLine("UNABLE TO READ");
//.........这里部分代码省略.........
示例2: GetMenu
/// <summary>
/// Gets this weeks menu from admin.ordbogen.com
/// </summary>
public void GetMenu()
{
DateTimeFormatInfo dfi = DateTimeFormatInfo.CurrentInfo;
Calendar cal = dfi.Calendar;
int weekNo = cal.GetWeekOfYear(DateTime.Now, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday);
string path = "https://admin.ordbogen.com";
string pathMenu = "https://admin.ordbogen.com";
string localPdfFile = Controller.dir + "menu.pdf";
string thisWeeksMenu = Controller.dir + "menu " + weekNo + ".png";
string LastWeekMenu = Controller.dir + "menu " + (weekNo - 1) + ".png";
if (File.Exists(LastWeekMenu) || !File.Exists(thisWeeksMenu))
{
try
{
HtmlDocument doc = new HtmlWeb().Load(path, "GET", new System.Net.WebProxy(), new System.Net.NetworkCredential(Authentication.getAuthorization(true), Authentication.getAuthorization(false)));
if (doc != null)
{
var aNodes = doc.DocumentNode.SelectNodes("//a");
var element = new HtmlNode(HtmlNodeType.Element, doc, 0);
foreach (var item in aNodes)
{
if (item.InnerText.ToLower().Contains("menu"))
if (item.InnerText.Contains(weekNo.ToString()))
element = item;
}
var attributes = element.Attributes;
foreach (var item in attributes)
{
if (item.Name == "href")
{
pathMenu += item.Value;
}
}
WebClient wb = new WebClient();
wb.Credentials = new NetworkCredential(Authentication.getAuthorization(true), Authentication.getAuthorization(false));
wb.DownloadFile(pathMenu, localPdfFile);
PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(localPdfFile);
Image bmp = pdf.SaveAsImage(0);
bmp.Save(thisWeeksMenu, ImageFormat.Png);
File.Delete(localPdfFile);
if (File.Exists(LastWeekMenu))
File.Delete(LastWeekMenu);
}
else
{
if (CheckInternetConnection())
{
System.Windows.MessageBox.Show(@"Der kan være opstået et problem med brugeren til i AdminUsers.txt. Opdater den her: C:\Users\[User]\(SKJULT)AppData\Local\ATIS", "MainStorage Error", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Error);
}
}
}
catch (Exception e) { System.Windows.MessageBox.Show(e.Message); }
}
}