document On{Open,Save}Document()

[wxWidgets.git] / src / msw / enhmeta.cpp

diff --git a/src/msw/enhmeta.cpp b/src/msw/enhmeta.cpp
index 189d2980b83e842988ce71ec4f3151359baed866..a3931c976fe80d1a8f5faa5eaae53505bce301fe 100644 (file)
--- a/src/msw/enhmeta.cpp
+++ b/src/msw/enhmeta.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        msw/enhmeta.cpp
+// Name:        src/msw/enhmeta.cpp

 // Purpose:     implementation of wxEnhMetaFileXXX classes
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     13.01.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Purpose:     implementation of wxEnhMetaFileXXX classes
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     13.01.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "enhmeta.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -33,9 +29,14 @@
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/log.h"

+    #include "wx/intl.h"

 #endif //WX_PRECOMP
 
 #endif //WX_PRECOMP
 

+#include "wx/dc.h"
+#include "wx/msw/dc.h"
+

 #include "wx/metafile.h"
 #include "wx/metafile.h"

+#include "wx/clipbrd.h"

 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 


@@ -44,7 +45,6 @@
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxEnhMetaFile, wxObject)
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxEnhMetaFile, wxObject)

-IMPLEMENT_ABSTRACT_CLASS(wxEnhMetaFileDC, wxDC)

 
 // ----------------------------------------------------------------------------
 // macros
 
 // ----------------------------------------------------------------------------
 // macros


@@ -59,7 +59,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxEnhMetaFileDC, wxDC)
 
 // we must pass NULL if the string is empty to metafile functions
 static inline const wxChar *GetMetaFileName(const wxString& fn)
 
 // we must pass NULL if the string is empty to metafile functions
 static inline const wxChar *GetMetaFileName(const wxString& fn)

-    { return !fn ? (wxChar *)NULL : fn.c_str(); }
+    { return !fn ? (const wxChar *)NULL : (const wxChar*)fn.wx_str(); }

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -69,6 +69,36 @@ static inline const wxChar *GetMetaFileName(const wxString& fn)
 // wxEnhMetaFile
 // ----------------------------------------------------------------------------
 
 // wxEnhMetaFile
 // ----------------------------------------------------------------------------
 

+wxGDIRefData *wxEnhMetaFile::CreateGDIRefData() const
+{
+    wxFAIL_MSG( _T("must be implemented if used") );
+
+    return NULL;
+}
+
+wxGDIRefData *
+wxEnhMetaFile::CloneGDIRefData(const wxGDIRefData *WXUNUSED(data)) const
+{
+    wxFAIL_MSG( _T("must be implemented if used") );
+
+    return NULL;
+}
+
+void wxEnhMetaFile::Init()
+{
+    if ( m_filename.empty() )
+    {
+        m_hMF = 0;
+    }
+    else // have valid file name, load metafile from it
+    {
+        m_hMF = (WXHANDLE)::GetEnhMetaFile(m_filename.fn_str());
+        if ( !m_hMF )
+            wxLogSysError(_("Failed to load metafile from file \"%s\"."),
+                          m_filename.c_str());
+    }
+}
+

 void wxEnhMetaFile::Assign(const wxEnhMetaFile& mf)
 {
     if ( &mf == this )
 void wxEnhMetaFile::Assign(const wxEnhMetaFile& mf)
 {
     if ( &mf == this )


@@ -102,8 +132,8 @@ void wxEnhMetaFile::Free()
 
 bool wxEnhMetaFile::Play(wxDC *dc, wxRect *rectBound)
 {
 
 bool wxEnhMetaFile::Play(wxDC *dc, wxRect *rectBound)
 {

-    wxCHECK_MSG( Ok(), FALSE, _T("can't play invalid enhanced metafile") );
-    wxCHECK_MSG( dc, FALSE, _T("invalid wxDC in wxEnhMetaFile::Play") );
+    wxCHECK_MSG( Ok(), false, _T("can't play invalid enhanced metafile") );
+    wxCHECK_MSG( dc, false, _T("invalid wxDC in wxEnhMetaFile::Play") );

 
     RECT rect;
     if ( rectBound )
 
     RECT rect;
     if ( rectBound )


@@ -123,14 +153,19 @@ bool wxEnhMetaFile::Play(wxDC *dc, wxRect *rectBound)
         rect.bottom = size.y;
     }
 
         rect.bottom = size.y;
     }
 

-    if ( !::PlayEnhMetaFile(GetHdcOf(*dc), GetEMF(), &rect) )
+    wxDCImpl *impl = dc->GetImpl();
+    wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
+    if (!msw_impl)
+        return false;
+
+    if ( !::PlayEnhMetaFile(GetHdcOf(*msw_impl), GetEMF(), &rect) )

     {
         wxLogLastError(_T("PlayEnhMetaFile"));
 
     {
         wxLogLastError(_T("PlayEnhMetaFile"));
 

-        return FALSE;
+        return false;

     }
 
     }
 

-    return TRUE;
+    return true;

 }
 
 wxSize wxEnhMetaFile::GetSize() const
 }
 
 wxSize wxEnhMetaFile::GetSize() const


@@ -161,17 +196,54 @@ wxSize wxEnhMetaFile::GetSize() const
     return size;
 }
 
     return size;
 }
 

+bool wxEnhMetaFile::SetClipboard(int WXUNUSED(width), int WXUNUSED(height))
+{
+#if wxUSE_DRAG_AND_DROP && wxUSE_CLIPBOARD
+    wxCHECK_MSG( m_hMF, false, _T("can't copy invalid metafile to clipboard") );
+
+    return wxTheClipboard->AddData(new wxEnhMetaFileDataObject(*this));
+#else // !wxUSE_DRAG_AND_DROP
+    wxFAIL_MSG(_T("not implemented"));
+    return false;
+#endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP
+}
+

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// wxEnhMetaFileDC
+// wxEnhMetaFileDCImpl

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
+class wxEnhMetaFileDCImpl : public wxMSWDCImpl
+{
+public:
+    wxEnhMetaFileDCImpl( wxEnhMetaFileDC *owner,
+                         const wxString& filename, int width, int height,
+                         const wxString& description );
+    virtual ~wxEnhMetaFileDCImpl();
+
+    // obtain a pointer to the new metafile (caller should delete it)
+    wxEnhMetaFile *Close();
+
+protected:
+    virtual void DoGetSize(int *width, int *height) const;
+
+private:
+    // size passed to ctor and returned by DoGetSize()
+    int m_width,
+        m_height;
+};
+
+
+wxEnhMetaFileDCImpl::wxEnhMetaFileDCImpl( wxEnhMetaFileDC* owner,
+                                 const wxString& filename,

                                  int width, int height,
                                  int width, int height,

-                                 const wxString& description)
+                                 const wxString& description )
+                   : wxMSWDCImpl( owner )

 {
 {

-    ScreenHDC hdcRef;
+    m_width = width;
+    m_height = height;

 
 

-    RECT rect, *pRect;
+    RECT rect;
+    RECT *pRect;

     if ( width && height )
     {
         rect.top =
     if ( width && height )
     {
         rect.top =


@@ -190,17 +262,26 @@ wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
         pRect = (LPRECT)NULL;
     }
 
         pRect = (LPRECT)NULL;
     }
 

+    ScreenHDC hdcRef;

     m_hDC = (WXHDC)::CreateEnhMetaFile(hdcRef, GetMetaFileName(filename),
     m_hDC = (WXHDC)::CreateEnhMetaFile(hdcRef, GetMetaFileName(filename),

-                                       pRect, description);
+                                       pRect, description.wx_str());

     if ( !m_hDC )
     {
         wxLogLastError(_T("CreateEnhMetaFile"));
     }
 }
 
     if ( !m_hDC )
     {
         wxLogLastError(_T("CreateEnhMetaFile"));
     }
 }
 

-wxEnhMetaFile *wxEnhMetaFileDC::Close()
+void wxEnhMetaFileDCImpl::DoGetSize(int *width, int *height) const

 {
 {

-    wxCHECK_MSG( Ok(), NULL, _T("invalid wxEnhMetaFileDC") );
+    if ( width )
+        *width = m_width;
+    if ( height )
+        *height = m_height;
+}
+
+wxEnhMetaFile *wxEnhMetaFileDCImpl::Close()
+{
+    wxCHECK_MSG( IsOk(), NULL, _T("invalid wxEnhMetaFileDC") );

 
     HENHMETAFILE hMF = ::CloseEnhMetaFile(GetHdc());
     if ( !hMF )
 
     HENHMETAFILE hMF = ::CloseEnhMetaFile(GetHdc());
     if ( !hMF )


@@ -215,18 +296,43 @@ wxEnhMetaFile *wxEnhMetaFileDC::Close()
     return mf;
 }
 
     return mf;
 }
 

-wxEnhMetaFileDC::~wxEnhMetaFileDC()
+wxEnhMetaFileDCImpl::~wxEnhMetaFileDCImpl()

 {
     // avoid freeing it in the base class dtor
     m_hDC = 0;
 }
 
 // ----------------------------------------------------------------------------
 {
     // avoid freeing it in the base class dtor
     m_hDC = 0;
 }
 
 // ----------------------------------------------------------------------------

-// wxEnhMetaFileDataObject
+// wxEnhMetaFileDC

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

+IMPLEMENT_ABSTRACT_CLASS(wxEnhMetaFileDC, wxDC)
+
+wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
+                                 int width, int height,
+                                 const wxString& description)
+               : wxDC(new wxEnhMetaFileDCImpl(this,
+                                              filename,
+                                              width, height,
+                                              description))
+{
+}
+
+wxEnhMetaFile *wxEnhMetaFileDC::Close()
+{
+    wxEnhMetaFileDCImpl * const
+        impl = wx_static_cast(wxEnhMetaFileDCImpl *, GetImpl());
+    wxCHECK_MSG( impl, NULL, _T("no wxEnhMetaFileDC implementation") );
+
+    return impl->Close();
+}
+

 #if wxUSE_DRAG_AND_DROP
 
 #if wxUSE_DRAG_AND_DROP
 

+// ----------------------------------------------------------------------------
+// wxEnhMetaFileDataObject
+// ----------------------------------------------------------------------------
+

 wxDataFormat
 wxEnhMetaFileDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
 {
 wxDataFormat
 wxEnhMetaFileDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
 {


@@ -263,7 +369,7 @@ size_t wxEnhMetaFileDataObject::GetDataSize(const wxDataFormat& format) const
 
 bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
 {
 
 bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
 {

-    wxCHECK_MSG( m_metafile.Ok(), FALSE, _T("copying invalid enh metafile") );
+    wxCHECK_MSG( m_metafile.Ok(), false, _T("copying invalid enh metafile") );

 
     HENHMETAFILE hEMF = (HENHMETAFILE)m_metafile.GetHENHMETAFILE();
 
 
     HENHMETAFILE hEMF = (HENHMETAFILE)m_metafile.GetHENHMETAFILE();
 


@@ -274,7 +380,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
         {
             wxLogLastError(_T("CopyEnhMetaFile"));
 
         {
             wxLogLastError(_T("CopyEnhMetaFile"));
 

-            return FALSE;
+            return false;

         }
 
         *(HENHMETAFILE *)buf = hEMFCopy;
         }
 
         *(HENHMETAFILE *)buf = hEMFCopy;


@@ -289,7 +395,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
 
         // first get the buffer size and alloc memory
         size_t size = ::GetWinMetaFileBits(hEMF, 0, NULL, MM_ANISOTROPIC, hdc);
 
         // first get the buffer size and alloc memory
         size_t size = ::GetWinMetaFileBits(hEMF, 0, NULL, MM_ANISOTROPIC, hdc);

-        wxCHECK_MSG( size, FALSE, _T("GetWinMetaFileBits() failed") );
+        wxCHECK_MSG( size, false, _T("GetWinMetaFileBits() failed") );

 
         BYTE *bits = (BYTE *)malloc(size);
 
 
         BYTE *bits = (BYTE *)malloc(size);
 


@@ -300,7 +406,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
 
             free(bits);
 
 
             free(bits);
 

-            return FALSE;
+            return false;

         }
 
         // and finally convert them to the WMF
         }
 
         // and finally convert them to the WMF


@@ -310,7 +416,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
         {
             wxLogLastError(_T("SetMetaFileBitsEx"));
 
         {
             wxLogLastError(_T("SetMetaFileBitsEx"));
 

-            return FALSE;
+            return false;

         }
 
         METAFILEPICT *mfpict = (METAFILEPICT *)buf;
         }
 
         METAFILEPICT *mfpict = (METAFILEPICT *)buf;


@@ -324,7 +430,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
         PixelToHIMETRIC(&mfpict->xExt, &mfpict->yExt);
     }
 
         PixelToHIMETRIC(&mfpict->xExt, &mfpict->yExt);
     }
 

-    return TRUE;
+    return true;

 }
 
 bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
 }
 
 bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,


@@ -337,7 +443,7 @@ bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
     {
         hEMF = *(HENHMETAFILE *)buf;
 
     {
         hEMF = *(HENHMETAFILE *)buf;
 

-        wxCHECK_MSG( hEMF, FALSE, _T("pasting invalid enh metafile") );
+        wxCHECK_MSG( hEMF, false, _T("pasting invalid enh metafile") );

     }
     else
     {
     }
     else
     {


@@ -348,7 +454,7 @@ bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
 
         // first get the buffer size
         size_t size = ::GetMetaFileBitsEx(mfpict->hMF, 0, NULL);
 
         // first get the buffer size
         size_t size = ::GetMetaFileBitsEx(mfpict->hMF, 0, NULL);

-        wxCHECK_MSG( size, FALSE, _T("GetMetaFileBitsEx() failed") );
+        wxCHECK_MSG( size, false, _T("GetMetaFileBitsEx() failed") );

 
         // then get metafile bits
         BYTE *bits = (BYTE *)malloc(size);
 
         // then get metafile bits
         BYTE *bits = (BYTE *)malloc(size);


@@ -358,7 +464,7 @@ bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
 
             free(bits);
 
 
             free(bits);
 

-            return FALSE;
+            return false;

         }
 
         ScreenHDC hdcRef;
         }
 
         ScreenHDC hdcRef;


@@ -370,14 +476,55 @@ bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
         {
             wxLogLastError(_T("SetWinMetaFileBits"));
 
         {
             wxLogLastError(_T("SetWinMetaFileBits"));
 

-            return FALSE;
+            return false;

         }
     }
 
     m_metafile.SetHENHMETAFILE((WXHANDLE)hEMF);
 
         }
     }
 
     m_metafile.SetHENHMETAFILE((WXHANDLE)hEMF);
 

-    return TRUE;
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+// wxEnhMetaFileSimpleDataObject
+// ----------------------------------------------------------------------------
+
+size_t wxEnhMetaFileSimpleDataObject::GetDataSize() const
+{
+    // we pass data by handle and not HGLOBAL
+    return 0u;
+}
+
+bool wxEnhMetaFileSimpleDataObject::GetDataHere(void *buf) const
+{
+    wxCHECK_MSG( m_metafile.Ok(), false, _T("copying invalid enh metafile") );
+
+    HENHMETAFILE hEMF = (HENHMETAFILE)m_metafile.GetHENHMETAFILE();
+
+    HENHMETAFILE hEMFCopy = ::CopyEnhMetaFile(hEMF, NULL);
+    if ( !hEMFCopy )
+    {
+        wxLogLastError(_T("CopyEnhMetaFile"));
+
+        return false;
+    }
+
+    *(HENHMETAFILE *)buf = hEMFCopy;
+    return true;
+}
+
+bool wxEnhMetaFileSimpleDataObject::SetData(size_t WXUNUSED(len),
+                                            const void *buf)
+{
+    HENHMETAFILE hEMF = *(HENHMETAFILE *)buf;
+
+    wxCHECK_MSG( hEMF, false, _T("pasting invalid enh metafile") );
+    m_metafile.SetHENHMETAFILE((WXHANDLE)hEMF);
+
+    return true;

 }
 }

+
+

 #endif // wxUSE_DRAG_AND_DROP
 
 #endif // wxUSE_ENH_METAFILE
 #endif // wxUSE_DRAG_AND_DROP
 
 #endif // wxUSE_ENH_METAFILE