public static int CountPages(IPDFSource source, string password = null)
{
using (PDFFileStream stream = new PDFFileStream(source)) {
ValidatePassword(stream.Document, password);
return(MuPDFNativeApi.Native.CountPages(stream.Document));
}
}
public static Bitmap ExtractPage(IPDFSource source, int pageNumber, float zoomFactor = 1.0f, string password = null)
{
int pageNumberIndex = Math.Max(0, pageNumber - 1);
using (PDFFileStream stream = new PDFFileStream(source)) {
ValidatePassword(stream.Document, password);
IntPtr ptr = IntPtr.Zero;
try {
ptr = MuPDFNativeApi.Native.LoadPage(stream.Document, pageNumberIndex);
return(RenderPage(stream.Context, stream.Document, ptr, zoomFactor));
} finally {
if (ptr != IntPtr.Zero)
{
MuPDFNativeApi.Native.FreePage(stream.Document, ptr);
}
}
}
}
public static System.Windows.Size[] GetPageBounds(IPDFSource source, ImageRotation rotation = ImageRotation.NONE, string password = null)
{
using (PDFFileStream stream = new PDFFileStream(source)) {
ValidatePassword(stream.Document, password);
int pageSize = MuPDFNativeApi.Native.CountPages(stream.Document);
return(Enumerable.Range(0, pageSize - 1)
.Select(x => {
IntPtr ptr = IntPtr.Zero;
try {
ptr = MuPDFNativeApi.Native.LoadPage(stream.Document, x);
MuPDFLibrary.Interop.Rectangle bound = MuPDFNativeApi.Native.BoundPage(stream.Document, ptr);
return SizeCallback(rotation)(bound.Width, bound.Height);
} finally {
if (ptr != IntPtr.Zero)
{
MuPDFNativeApi.Native.FreePage(stream.Document, ptr);
}
}
}).ToArray());
}
}
public static bool NeedsPassword(IPDFSource source)
{
using (PDFFileStream stream = new PDFFileStream(source)) {
return(NeedsPassword(stream.Document));
}
}
