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Aspose.PDF for .NET API memungkinkan Anda untuk mengatur nama font default ketika font tidak tersedia dalam dokumen. Anda dapat menggunakan properti DefaultFontName dari kelas RenderingOptions untuk mengatur nama font default. Jika DefaultFontName diatur ke null, font Times New Roman akan digunakan. Potongan kode berikut menunjukkan cara mengatur nama font default saat menyimpan PDF ke dalam gambar:
Potongan kode berikut juga bekerja dengan Aspose.Drawing library.
// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ConvertPdfToImageWithDefaultFont()
{
// The path to the documents directory
var dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Open PDF document
using (var document = new Aspose.Pdf.Document(dataDir + "PdfToImageWithDefaultFont.pdf"))
{
// Open the image stream
using (var imageStream = new FileStream(dataDir + "SetDefaultFontName.png", FileMode.Create))
{
// Set the resolution for the image
var resolution = new Aspose.Pdf.Devices.Resolution(300);
// Create the PNG device and set rendering options
var pngDevice = new Aspose.Pdf.Devices.PngDevice(resolution);
var ro = new Aspose.Pdf.RenderingOptions
{
DefaultFontName = "Arial"
};
pngDevice.RenderingOptions = ro;
// Process the first page of the document and save it as an image
pngDevice.Process(document.Pages[1], imageStream);
}
}
}
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