From cd7ff8087b7c08f0cbece41a5a23d114d2c69eb6 Mon Sep 17 00:00:00 2001
From: Stefan Neis <Stefan.Neis@t-online.de>
Date: Wed, 1 Nov 2006 01:01:32 +0000
Subject: [PATCH] Dummy implementation for copying bitmaps.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42880 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/os2/bitmap.h |  6 ++++++
 src/os2/bitmap.cpp      | 30 ++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/include/wx/os2/bitmap.h b/include/wx/os2/bitmap.h
index 03802ca653..eeacd6e4c9 100644
--- a/include/wx/os2/bitmap.h
+++ b/include/wx/os2/bitmap.h
@@ -38,6 +38,7 @@ class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData
 {
 public:
     wxBitmapRefData();
+    wxBitmapRefData(const wxBitmapRefData &tocopy);
     virtual ~wxBitmapRefData() { Free(); }
 
     virtual void Free();
@@ -215,6 +216,10 @@ protected:
 
     bool CreateFromImage(const wxImage& image, int depth);
 
+   // ref counting code
+    virtual wxObjectRefData *CreateRefData() const;
+    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
 private:
     bool CopyFromIconOrCursor(const wxGDIImage& rIcon);
 
@@ -230,6 +235,7 @@ class WXDLLEXPORT wxMask : public wxObject
 {
 public:
     wxMask();
+    wxMask( const wxMask& tocopy);
 
     // Construct a mask from a bitmap and a colour indicating the transparent
     // area
diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp
index c1bbb3e002..899777b119 100644
--- a/src/os2/bitmap.cpp
+++ b/src/os2/bitmap.cpp
@@ -57,6 +57,20 @@ wxBitmapRefData::wxBitmapRefData()
     m_hBitmap       = (WXHBITMAP) NULL;
 } // end of wxBitmapRefData::wxBitmapRefData
 
+wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy)
+{
+    m_nQuality = tocopy.m_nQuality;
+    m_pSelectedInto = NULL;     // don't copy this
+    m_nNumColors    = tocopy.m_nNumColors;
+
+    // copy the mask
+    if (tocopy.m_pBitmapMask)
+        m_pBitmapMask = new wxMask(*tocopy.m_pBitmapMask);
+
+    // TODO: how to copy an HBITMAP?
+    m_hBitmap       = tocopy.m_hBitmap;
+}
+
 void wxBitmapRefData::Free()
 {
     if ( m_pSelectedInto )
@@ -81,6 +95,16 @@ void wxBitmapRefData::Free()
 // wxBitmap creation
 // ----------------------------------------------------------------------------
 
+wxObjectRefData* wxBitmap::CreateRefData() const
+{
+    return new wxBitmapRefData;
+}
+
+wxObjectRefData* wxBitmap::CloneRefData(const wxObjectRefData* data) const
+{
+    return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
+}
+
 // this function should be called from all wxBitmap ctors
 void wxBitmap::Init()
 {
@@ -1196,6 +1220,12 @@ wxMask::wxMask()
     m_hMaskBitmap = 0;
 } // end of wxMask::wxMask
 
+wxMask::wxMask(const wxMask& tocopy)
+{
+    // TODO: how to copy a WXHBITMAP?
+    m_hMaskBitmap = tocopy.m_hMaskBitmap;
+} // end of wxMask::wxMask
+
 // Construct a mask from a bitmap and a colour indicating
 // the transparent area
 wxMask::wxMask(
-- 
2.45.2