public Bitmap GetPage(Tile page, bool isPrinting)
{
var imgBuffer = new byte[page.Width * page.Height * 4];
var imgHandle = GCHandle.Alloc(imgBuffer, GCHandleType.Pinned);
try
{
var pagePtr = _nativeXps.Pages[page.PageNum];
if (RenderLibrary.render_page(imgHandle.AddrOfPinnedObject(), pagePtr, (float)page.Scale, page.Width, page.Height) == 0)
{
var bitmap = new Bitmap(page.Width, page.Height, 4 * page.Width,
PixelFormat.Format32bppPArgb,
Marshal.UnsafeAddrOfPinnedArrayElement(imgBuffer, 0));
return(bitmap);
}
else
{
return(null);
}
}
catch (Exception e)
{
return(null);
}
finally
{
imgHandle.Free();
}
}
public byte[] GetPageInBytes(Tile page, bool isPrinting)
{
var imgBuffer = new byte[page.Width * page.Height * 4];
var imgHandle = GCHandle.Alloc(imgBuffer, GCHandleType.Pinned);
try
{
var pagePtr = _nativeXps.Pages[page.PageNum];
if (RenderLibrary.render_page(imgHandle.AddrOfPinnedObject(), pagePtr, (float)page.Scale, page.Width, page.Height) == 0)
{
var bitmap = new Bitmap(page.Width, page.Height, 4 * page.Width,
PixelFormat.Format32bppPArgb,
Marshal.UnsafeAddrOfPinnedArrayElement(imgBuffer, 0));
using (bitmap)
{
using (var ms = new MemoryStream())
{
bitmap.Save(ms, ImageFormat.Png);
imgBuffer = ms.ToArray();
}
return(imgBuffer);
}
}
else
{
return(null);
}
}
catch (Exception e)
{
return(null);
}
finally
{
imgHandle.Free();
}
}