public Dictionary <string, byte[]> ExtractImagePages(byte[] pdfContent)
{
var pageImages = new Dictionary <string, byte[]>();
using (var doc = new PdfDocument(pdfContent))
{
int i = 0;
foreach (var page in doc.Pages)
{
using (var bitmap = new PDFiumBitmap((int)page.Width, (int)page.Height, false))
{
bitmap.Fill(new PDFiumSharp.Types.FPDF_COLOR(255, 255, 255));
page.Render(bitmap);
var bmp = Image.FromStream(bitmap.AsBmpStream());
using (var ms = new MemoryStream())
{
bmp.Save(ms, ImageFormat.Jpeg);
pageImages.Add($"{i++.ToString("000")}.jpg", ms.ToArray());
}
}
}
}
return(pageImages);
}
public static ImageSource RenderPage(string filename, int pageIndex, string password = null, bool withTransparency = true)
{
using (var doc = new PdfDocument(filename, password))
{
var page = doc.Pages[pageIndex];
using (var bitmap = new PDFiumBitmap((int)page.Width, (int)page.Height, withTransparency))
{
page.Render(bitmap);
return(new BmpBitmapDecoder(bitmap.AsBmpStream(), BitmapCreateOptions.None, BitmapCacheOption.OnLoad).Frames.First());
}
}
}
//Todo clean this up and add support for multiple pages
public byte[] Test(string filepath)
{
using (var doc = new PDFiumSharp.PdfDocument(filepath))
{
var page = doc.Pages[0];
using (var bitmap = new PDFiumBitmap((int)page.Width, (int)page.Height, false))
{
page.Render(bitmap);
var b = new BmpBitmapDecoder(bitmap.AsBmpStream(), BitmapCreateOptions.None, BitmapCacheOption.OnLoad).Frames.First();
JpegBitmapEncoder encoder = new JpegBitmapEncoder();
encoder.Frames.Add(b);
using (MemoryStream ms = new MemoryStream())
{
encoder.Save(ms);
return(ms.ToArray());
}
}
}
}
static void Main()
{
Application.Initialize();
Window window = new Window();
window.Closed += (sender, e) => Application.Exit();
using (var doc = new PdfDocument("TestDoc.pdf", "password"))
{
var page = doc.Pages[0];
using (var bitmap = new PDFiumBitmap((int)page.Width, (int)page.Height, false))
{
page.Render(bitmap, PageOrientations.Normal);
bitmap.Save("Page0.bmp");
window.Content = new ImageView(Image.FromStream(bitmap.AsBmpStream()));
}
}
window.Show();
Application.Run();
}
