Add support to extract viewer preference

core/include/fpdfdoc/fpdf_doc.h

Index: core/include/fpdfdoc/fpdf_doc.h
diff --git a/core/include/fpdfdoc/fpdf_doc.h b/core/include/fpdfdoc/fpdf_doc.h
index cbb0fd4a1147f298357ef732d3600b93894c9a4b..e4cf777c1f9c662ec9d63809ce5990834f233dc5 100644
--- a/core/include/fpdfdoc/fpdf_doc.h
+++ b/core/include/fpdfdoc/fpdf_doc.h
@@ -1657,6 +1657,11 @@ public:
 
     FX_BOOL PrintScaling() const;
 
+    FX_INT32 NumCopies() const;
+
+    CPDF_Array* PrintPageRange() const;
+
+    CFX_ByteString Duplex() const;

[Vitaly Buka (NO REVIEWS), 2014/06/24 21:53:46]

Duplex should return FX_INT32 and we need some defines like PDFZOOM_XYZ, or even
better enum {}

print preview still supports only bool value, so maybe FX_BOOL is enough

[Nikhil, 2014/06/25 09:09:47]

Added enum to map possible Duplex values.

On 2014/06/24 21:53:46, Vitaly Buka wrote:

 
 protected:
     CPDF_Document*	m_pDoc;