X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f37f49b652601744a8576d94568985cba49fc784..814028444d682b23af3809227cd485f4bebc1286:/samples/docview/doc.h

diff --git a/samples/docview/doc.h b/samples/docview/doc.h
index ecc1453a38..c654398222 100644
--- a/samples/docview/doc.h
+++ b/samples/docview/doc.h
@@ -7,7 +7,7 @@
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 //              (c) 2008 Vadim Zeitlin
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_SAMPLES_DOCVIEW_DOC_H_
@@ -166,7 +166,7 @@ class wxTextDocument : public wxDocument
 public:
     wxTextDocument() : wxDocument() { }
 
-    virtual bool OnCreate(const wxString& path, long flags); 
+    virtual bool OnCreate(const wxString& path, long flags);
 
     virtual wxTextCtrl* GetTextCtrl() const = 0;
 
@@ -198,33 +198,53 @@ public:
 };
 
 // ----------------------------------------------------------------------------
-// A basic image document class
+// Image and image details document classes (both are read-only for simplicity)
 // ----------------------------------------------------------------------------
 
-class wxImageDocument : public wxDocument
+// This is a normal document containing an image, just like TextEditDocument
+// above contains some text. It can be created from an image file on disk as
+// usual.
+class ImageDocument : public wxDocument
 {
-protected:
-    wxImage m_image;
 public:
-    wxImageDocument();
+    ImageDocument() : wxDocument() { }
 
-    wxImage*       GetImage()       { return &m_image; }
-    const wxImage& GetImage() const { return m_image; }
+    virtual bool OnOpenDocument(const wxString& file);
 
-    bool SaveFile(wxOutputStream*, wxBitmapType) const;
+    wxImage GetImage() const { return m_image; }
 
+protected:
+    virtual bool DoOpenDocument(const wxString& file);
+
+private:
+    wxImage m_image;
+
+    wxDECLARE_NO_COPY_CLASS(ImageDocument);
+    DECLARE_DYNAMIC_CLASS(ImageDocument)
+};
+
+// This is a child document of ImageDocument: this document doesn't
+// correspond to any file on disk, it's part of ImageDocument and can't be
+// instantiated independently of it.
+class ImageDetailsDocument : public wxDocument
+{
 public:
-    virtual ~wxImageDocument();
-    virtual bool DeleteContents();
+    ImageDetailsDocument(ImageDocument *parent);
 
-    virtual bool DoOpenDocument(const wxString& file);
-    virtual bool DoSaveDocument(const wxString& file);
+    // accessors for ImageDetailsView
+    wxSize GetSize() const { return m_size; }
+    unsigned long GetNumColours() const { return m_numColours; }
+    wxBitmapType GetType() const { return m_type; }
+    bool HasAlpha() const { return m_hasAlpha; }
 
-    virtual bool DoOpenDocument(wxInputStream*);
-    virtual bool DoSaveDocument(wxOutputStream*) const;
+private:
+    // some information about the image we choose to show to the user
+    wxSize m_size;
+    unsigned long m_numColours;
+    wxBitmapType m_type;
+    bool m_hasAlpha;
 
-    wxDECLARE_NO_COPY_CLASS(wxImageDocument);
-    DECLARE_DYNAMIC_CLASS(wxImageDocument)
+    wxDECLARE_NO_COPY_CLASS(ImageDetailsDocument);
 };
 
 #endif // _WX_SAMPLES_DOCVIEW_DOC_H_