private static byte[] GetPageByDPIAsImage_LOCK(HDOCWrapper hdoc, int page, float dpi)
{
IntPtr HDC_HDC = SoraxDLL.GetDC(IntPtr.Zero);
try
{
IntPtr hbitmap = SoraxDLL.SPD_GetPageBitmap(hdoc.HDOC, HDC_HDC, page, 0, dpi);
Bitmap bitmap = Image.FromHbitmap(hbitmap);
SoraxDLL.DeleteObject(hbitmap);
//using (FileStream fs = new FileStream(@"C:\temp\aax.png", FileMode.Create))
//{
// bitmap.Save(fs, ImageFormat.Png);
//}
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
bitmap.Dispose();
return(ms.ToArray());
}
catch (Exception ex)
{
throw new GenericException(ex, "Error while rasterising page {0} at {1}dpi of '{2}'", page, dpi, hdoc.filename);
}
finally
{
SoraxDLL.ReleaseDC(IntPtr.Zero, HDC_HDC);
}
}
// ------------------------------------------------------------------------------------------------------------------------
public static int GetPageCount(string filename, string pdf_user_password, string pdf_owner_password)
{
using (HDOCWrapper hdoc = new HDOCWrapper(filename, pdf_user_password, pdf_owner_password))
{
return(SoraxDLL.SPD_GetPageCount(hdoc.HDOC));
}
}
public static byte[] GetPageByDPIAsImage(string filename, string pdf_user_password, string pdf_owner_password, int page, float dpi)
{
using (HDOCWrapper hdoc = new HDOCWrapper(filename, pdf_user_password, pdf_owner_password))
{
return(GetPageByDPIAsImage_LOCK(hdoc, page, dpi));
}
}
public static byte[] GetPageByHeightAsImage(string filename, string pdf_user_password, string pdf_owner_password, int page, double height)
{
float actual_dpi = 0;
using (HDOCWrapper hdoc = new HDOCWrapper(filename, pdf_user_password, pdf_owner_password))
{
// We want the exact height...
float REFERENCE_DPI = 600;
SoraxDLL.Size size = new SoraxDLL.Size();
bool result_get_size = SoraxDLL.SPD_GetPageSizeEx(hdoc.HDOC, page, REFERENCE_DPI, ref size);
actual_dpi = (float)height * REFERENCE_DPI / size.Y;
if (0 == size.Y)
{
Logging.Warn("Sorax is telling us that the page is of zero height!");
}
return(GetPageByDPIAsImage_LOCK(hdoc, page, actual_dpi));
}
}