X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6d3a0824651e83f7c95edb205fcc7ca96ff22011..2a45803fc3877afd0ae3ce356dfe216505165882:/samples/docview/doc.cpp

diff --git a/samples/docview/doc.cpp b/samples/docview/doc.cpp
index 4892856fe0..e093d82ae3 100644
--- a/samples/docview/doc.cpp
+++ b/samples/docview/doc.cpp
@@ -7,7 +7,7 @@
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 //              (c) 2008 Vadim Zeitlin
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
@@ -34,6 +34,7 @@
 #else
     #include "wx/txtstrm.h"
 #endif
+#include "wx/wfstream.h"
 
 #include "doc.h"
 #include "view.h"
@@ -78,6 +79,16 @@ DocumentIstream& DrawingDocument::LoadObject(DocumentIstream& istream)
 
     wxInt32 count = 0;
     stream >> count;
+    if ( count < 0 )
+    {
+        wxLogWarning("Drawing document corrupted: invalid segments count.");
+#if wxUSE_STD_IOSTREAM
+        istream.clear(std::ios::badbit);
+#else
+        istream.Reset(wxSTREAM_READ_ERROR);
+#endif
+        return istream;
+    }
 
     for ( int n = 0; n < count; n++ )
     {
@@ -247,3 +258,41 @@ wxTextCtrl* TextEditDocument::GetTextCtrl() const
     wxView* view = GetFirstView();
     return view ? wxStaticCast(view, TextEditView)->GetText() : NULL;
 }
+
+// ----------------------------------------------------------------------------
+// ImageDocument and ImageDetailsDocument implementation
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(ImageDocument, wxDocument)
+
+bool ImageDocument::DoOpenDocument(const wxString& file)
+{
+    return m_image.LoadFile(file);
+}
+
+bool ImageDocument::OnOpenDocument(const wxString& filename)
+{
+    if ( !wxDocument::OnOpenDocument(filename) )
+        return false;
+
+    // we don't have a wxDocTemplate for the image details document as it's
+    // never created by wxWidgets automatically, instead just do it manually
+    ImageDetailsDocument * const docDetails = new ImageDetailsDocument(this);
+    docDetails->SetFilename(filename);
+
+    new ImageDetailsView(docDetails);
+
+    return true;
+}
+
+ImageDetailsDocument::ImageDetailsDocument(ImageDocument *parent)
+    : wxDocument(parent)
+{
+    const wxImage image = parent->GetImage();
+
+    m_size.x = image.GetWidth();
+    m_size.y = image.GetHeight();
+    m_numColours = image.CountColours();
+    m_type = image.GetType();
+    m_hasAlpha = image.HasAlpha();
+}