public static void CloseContext(IntPtr ctx)
{
if (!Inited)
{
return;
}
MuPDFLib.CloseContext(ctx);
}
public static void Deinit()
{
if (Inited)
{
MuPDFLib.Deinit();
context = IntPtr.Zero;
Inited = false;
}
;
}
public void Dispose()
{
if (Handle != IntPtr.Zero)
{
lock (staticLock)
MuPDFLib.CloseDocument(Handle);
Handle = IntPtr.Zero;
Disposed = true;
}
}
private void CreateWrapper()
{
var handle = IntPtr.Zero;
if (File.Exists(FilePath))
{
// utf8 string with terminating zero
lock (staticLock)
handle = MuPDFLib.LoadDocument(Encoding.UTF8.GetBytes(FilePath + "\0"));
}
wrapper = new PDFDocumentWrapper(handle);
}
public CGSize GetPageSize(int pdfPage)
{
float width = 0, height = 0;
lock (staticLock) {
IntPtr page = MuPDFLib.LoadPage(context, Handle, pdfPage);
try {
MuPDFLib.GetPageSize(Handle, page, out width, out height);
return(new CGSize((int)Math.Ceiling(width), (int)Math.Ceiling(height)));
} finally {
MuPDFLib.ClosePage(context, Handle, page);
}
}
}
public static void Init()
{
if (!Inited)
{
try {
// 128MB
UInt32 storeSize = 128 << 20;
MuPDFLib.Init(storeSize);
context = MuPDFLib.GetContext();
Inited = true;
Console.WriteLine("MuPDFLib Store size: " + storeSize);
} catch (DllNotFoundException) {
Console.WriteLine("dll not found!");
} catch (EntryPointNotFoundException ex) {
Console.WriteLine(ex);
}
}
}
public NativeBitmap RenderToBitmap(IntPtr ctx, CGRect bbox, double K, int pdfPage, int angle, ref MuPDFLib.Cookie cookie)
{
lock (this) {
NativeBitmap nbmp = null;
IntPtr PDFPage = MuPDFLib.LoadPage(ctx, Handle, pdfPage);
try {
nbmp = new NativeBitmap((int)bbox.Width, (int)bbox.Height, 32);
MuPDFLib.RenderPageToBytes(ctx, Handle, PDFPage, nbmp.bits, (int)bbox.X, (int)bbox.Y, (int)bbox.Width, (int)bbox.Height, (float)K, angle / 90, ref cookie);
if (cookie.abort != 0)
{
nbmp.Dispose();
nbmp = null;
}
} finally {
MuPDFLib.ClosePage(ctx, Handle, PDFPage);
}
return(nbmp);
}
}
