Moved all the coordinate system calculation to wxDCBase

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

diff --git a/src/msw/enhmeta.cpp b/src/msw/enhmeta.cpp
index 6602ce9a2471df2f6603e5b7075bc91dc4598aa8..098c482469329eeda14c9c8ac53fffcbfde41062 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 +29,11 @@
 #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
 
 #include "wx/metafile.h"
 #endif //WX_PRECOMP
 
 #include "wx/metafile.h"

+#include "wx/clipbrd.h"

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


@@ -59,7 +57,7 @@ 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.c_str(); }

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


@@ -69,6 +67,21 @@ static inline const wxChar *GetMetaFileName(const wxString& fn)
 // wxEnhMetaFile
 // ----------------------------------------------------------------------------
 
 // wxEnhMetaFile
 // ----------------------------------------------------------------------------
 

+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);
+        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 +115,8 @@ 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 )


@@ -127,10 +140,10 @@ bool wxEnhMetaFile::Play(wxDC *dc, wxRect *rectBound)
     {
         wxLogLastError(_T("PlayEnhMetaFile"));
 
     {
         wxLogLastError(_T("PlayEnhMetaFile"));
 

-        return FALSE;
+        return false;

     }
 
     }
 

-    return TRUE;
+    return true;

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


@@ -161,6 +174,18 @@ 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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxEnhMetaFileDC
 // ----------------------------------------------------------------------------


@@ -169,9 +194,11 @@ wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
                                  int width, int height,
                                  const wxString& description)
 {
                                  int width, int height,
                                  const wxString& description)
 {

-    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 =


@@ -190,6 +217,7 @@ wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
         pRect = (LPRECT)NULL;
     }
 
         pRect = (LPRECT)NULL;
     }
 

+    ScreenHDC hdcRef;

     m_hDC = (WXHDC)::CreateEnhMetaFile(hdcRef, GetMetaFileName(filename),
                                        pRect, description);
     if ( !m_hDC )
     m_hDC = (WXHDC)::CreateEnhMetaFile(hdcRef, GetMetaFileName(filename),
                                        pRect, description);
     if ( !m_hDC )


@@ -198,6 +226,14 @@ wxEnhMetaFileDC::wxEnhMetaFileDC(const wxString& filename,
     }
 }
 
     }
 }
 

+void wxEnhMetaFileDC::DoGetSize(int *width, int *height) const
+{
+    if ( width )
+        *width = m_width;
+    if ( height )
+        *height = m_height;
+}
+

 wxEnhMetaFile *wxEnhMetaFileDC::Close()
 {
     wxCHECK_MSG( Ok(), NULL, _T("invalid wxEnhMetaFileDC") );
 wxEnhMetaFile *wxEnhMetaFileDC::Close()
 {
     wxCHECK_MSG( Ok(), NULL, _T("invalid wxEnhMetaFileDC") );


@@ -221,6 +257,8 @@ wxEnhMetaFileDC::~wxEnhMetaFileDC()
     m_hDC = 0;
 }
 
     m_hDC = 0;
 }
 

+#if wxUSE_DRAG_AND_DROP
+

 // ----------------------------------------------------------------------------
 // wxEnhMetaFileDataObject
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxEnhMetaFileDataObject
 // ----------------------------------------------------------------------------


@@ -261,7 +299,7 @@ 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();
 


@@ -272,7 +310,7 @@ bool wxEnhMetaFileDataObject::GetDataHere(const wxDataFormat& format, void *buf)
         {
             wxLogLastError(_T("CopyEnhMetaFile"));
 
         {
             wxLogLastError(_T("CopyEnhMetaFile"));
 

-            return FALSE;
+            return false;

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


@@ -287,7 +325,7 @@ 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);
 


@@ -298,7 +336,7 @@ 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


@@ -308,7 +346,7 @@ 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;


@@ -322,7 +360,7 @@ 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,


@@ -335,7 +373,7 @@ 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
     {


@@ -346,7 +384,7 @@ 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);


@@ -356,7 +394,7 @@ bool wxEnhMetaFileDataObject::SetData(const wxDataFormat& format,
 
             free(bits);
 
 
             free(bits);
 

-            return FALSE;
+            return false;

         }
 
         ScreenHDC hdcRef;
         }
 
         ScreenHDC hdcRef;


@@ -368,13 +406,55 @@ 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_ENH_METAFILE