public void TestBasicFunctionality()
{
// Create a new PDF
var pdfDocument = new PdfDocument();
Assert.True(pdfDocument != null, "PDF should not be null");
// Set the PDF title
pdfDocument.Info.Title = TitleString;
Assert.True(pdfDocument.Info.Title.Equals(TitleString), $"PDF title should equal { TitleString }");
// Add a new page to the PDF
PdfPage pdfPage = pdfDocument.AddPage();
Assert.True(pdfPage != null, "PDF page should not be null");
// Draw text on the newly created page
if (GlobalFontSettings.FontResolver == null)
{
GlobalFontSettings.FontResolver = new FontResolver();
}
XGraphics pdfGraphics = XGraphics.FromPdfPage(pdfPage);
XFont pdfFont = new XFont(FontName, FontSize, XFontStyle.Regular);
pdfGraphics.DrawString(TitleString, pdfFont, XBrushes.Black, new XRect(0, 0, pdfPage.Width, pdfPage.Height), XStringFormats.Center);
// Add an image with transparency
ImageSource.ImageSourceImpl = new ImageSharpImageSource();
pdfGraphics.DrawImage(XImage.FromFile("Samples/sample.png"), new XRect(0, 0, pdfPage.Width, pdfPage.Height));
// Save the PDF to a temporary path
var tempFilePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".pdf");
Assert.False(File.Exists(tempFilePath), "Temporary file should not exist before saving");
Assert.True(pdfDocument.CanSave(ref tempFilePath), $"PDF should be able to be saved to path: { tempFilePath }");
pdfDocument.Save(tempFilePath);
Assert.True(File.Exists(tempFilePath), "Temporary file should exist after saving");
var tempFileLength = new FileInfo(tempFilePath).Length;
Assert.True(tempFileLength > 0, $"Temporary file length should be greater than 0 after saving, but was { tempFileLength } instead");
// Close and dispose of the saved PDF
pdfDocument.Close();
pdfDocument.Dispose();
// Load the PDF from the temporary path
var loadedPdfDocument = PdfReader.Open(tempFilePath, PdfDocumentOpenMode.ReadOnly);
Assert.True(loadedPdfDocument != null, "PDF should not be null");
Assert.True(loadedPdfDocument.Info != null, "PDF info should not be null");
Assert.True(loadedPdfDocument.Info.Title.Equals(TitleString), $"PDF title should equal { TitleString }");
// Close and dispose of the loaded PDF
loadedPdfDocument.Close();
loadedPdfDocument.Dispose();
}
