Save the alpha values if the image has an alpha channel

[wxWidgets.git] / src / common / dobjcmn.cpp

diff --git a/src/common/dobjcmn.cpp b/src/common/dobjcmn.cpp
index 1744bc42e2778d829600f29ee16dfe0050cf5fde..b16c8e219fcfa5248dc14f80a42d3081bd726e05 100644 (file)
--- a/src/common/dobjcmn.cpp
+++ b/src/common/dobjcmn.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     19.10.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows Team
+// Copyright:   (c) wxWidgets Team
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "dataobjbase.h"
 #endif
 
@@ -97,14 +97,17 @@ bool wxDataObjectBase::IsSupported(const wxDataFormat& format,
 wxDataObjectComposite::wxDataObjectComposite()
 {
     m_preferred = 0;
+}
 
-    m_dataObjects.DeleteContents(TRUE);
+wxDataObjectComposite::~wxDataObjectComposite()
+{
+    WX_CLEAR_LIST(wxSimpleDataObjectList, m_dataObjects);
 }
 
 wxDataObjectSimple *
 wxDataObjectComposite::GetObject(const wxDataFormat& format) const
 {
-    wxSimpleDataObjectList::Node *node = m_dataObjects.GetFirst();
+    wxSimpleDataObjectList::compatibility_iterator node = m_dataObjects.GetFirst();
     while ( node )
     {
         wxDataObjectSimple *dataObj = node->GetData();
@@ -131,7 +134,7 @@ void wxDataObjectComposite::Add(wxDataObjectSimple *dataObject, bool preferred)
 wxDataFormat
 wxDataObjectComposite::GetPreferredFormat(Direction WXUNUSED(dir)) const
 {
-    wxSimpleDataObjectList::Node *node = m_dataObjects.Item( m_preferred );
+    wxSimpleDataObjectList::compatibility_iterator node = m_dataObjects.Item( m_preferred );
 
     wxCHECK_MSG( node, wxFormatInvalid, wxT("no preferred format") );
 
@@ -152,6 +155,7 @@ size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format )
     return dataObj->GetBufferOffset( format );
 }
 
+
 const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer,
                                                       size_t* size,
                                                       const wxDataFormat& format )
@@ -164,6 +168,7 @@ const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer,
     return dataObj->GetSizeFromBuffer( buffer, size, format );
 }
 
+
 void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size,
                                               const wxDataFormat& format )
 {
@@ -187,7 +192,7 @@ void wxDataObjectComposite::GetAllFormats(wxDataFormat *formats,
                                           Direction WXUNUSED(dir)) const
 {
     size_t n = 0;
-    wxSimpleDataObjectList::Node *node;
+    wxSimpleDataObjectList::compatibility_iterator node;
     for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() )
     {
         // TODO if ( !outputOnlyToo ) && this one counts ...
@@ -232,42 +237,125 @@ bool wxDataObjectComposite::SetData(const wxDataFormat& format,
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 
-size_t wxTextDataObject::GetDataSize() const
-{
 #if defined(__WXGTK20__) && wxUSE_UNICODE
-    // Use UTF8 not UCS4
-    wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() );
-    return strlen( (const char*) buffer ) + 1;
+
+size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
+{
+    if (format == wxDF_UNICODETEXT)
+    {
+        // Use UTF8 not UCS4
+        wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() );
+        return strlen( (const char*) buffer ) + 1;
+    }
+    else  // == wxDF_TEXT
+    {
+        wxCharBuffer buffer = wxConvLibc.cWX2MB( GetText().c_str() );
+        return strlen( (const char*) buffer ) + 1;
+    }
+}
+
+bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
+{
+    if (format == wxDF_UNICODETEXT)
+    {
+        // Use UTF8 not UCS4
+        wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() );
+        strcpy( (char*) buf, (const char*) buffer );
+    }
+    else
+    {
+        wxCharBuffer buffer = wxConvLibc.cWX2MB( GetText().c_str() );
+        strcpy( (char*) buf, (const char*) buffer );
+    }
+    
+    return TRUE;
+}
+
+bool wxTextDataObject::SetData(const wxDataFormat& format,
+                               size_t WXUNUSED(len), const void *buf)
+{
+    if (format == wxDF_UNICODETEXT)
+        SetText( wxConvUTF8.cMB2WX( (const char*) buf ) );
+    else
+        SetText( wxConvLibc.cMB2WX( (const char*) buf ) );
+ 
+    return TRUE;
+}
+
+#elif wxUSE_UNICODE && defined(__WXMAC__)
+
+size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
+{
+    if (format == wxDF_UNICODETEXT)
+    {
+        // host native is UTF16
+           wxMBConvUTF16BE converter ;
+        wxCharBuffer buffer = converter.cWX2MB( GetText().c_str() );
+        return strlen( (const char*) buffer ) + 1;
+    }
+    else  // == wxDF_TEXT
+    {
+        wxCharBuffer buffer = wxConvLibc.cWX2MB( GetText().c_str() );
+        return strlen( (const char*) buffer ) + 1;
+    }
+}
+
+bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
+{
+    if (format == wxDF_UNICODETEXT)
+    {
+        // host native is UTF16
+           wxMBConvUTF16BE converter ;
+        wxCharBuffer buffer = converter.cWX2MB( GetText().c_str() );
+        strcpy( (char*) buf, (const char*) buffer );
+    }
+    else
+    {
+        wxCharBuffer buffer = wxConvLibc.cWX2MB( GetText().c_str() );
+        strcpy( (char*) buf, (const char*) buffer );
+    }
+    
+    return TRUE;
+}
+
+bool wxTextDataObject::SetData(const wxDataFormat& format,
+                               size_t WXUNUSED(len), const void *buf)
+{
+    if (format == wxDF_UNICODETEXT)
+    {
+        // host native is UTF16
+           wxMBConvUTF16BE converter ;
+        SetText( converter.cMB2WX( (const char*) buf ) );
+    }
+    else
+        SetText( wxConvLibc.cMB2WX( (const char*) buf ) );
+ 
+    return TRUE;
+}
+
 #else
+
+size_t wxTextDataObject::GetDataSize() const
+{
     return GetTextLength() * sizeof(wxChar);
-#endif
 }
 
 bool wxTextDataObject::GetDataHere(void *buf) const
 {
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    // Use UTF8 not UCS4
-    wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() );
-    strcpy( (char*) buf, (const char*) buffer );
-#else
     wxStrcpy((wxChar *)buf, GetText().c_str());
-#endif
 
     return TRUE;
 }
 
 bool wxTextDataObject::SetData(size_t WXUNUSED(len), const void *buf)
 {
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    // Use UTF8 not UCS4
-    SetText( wxConvUTF8.cMB2WX( (const char*) buf ) );
-#else
     SetText(wxString((const wxChar *)buf));
-#endif
 
     return TRUE;
 }
 
+#endif
+
 // ----------------------------------------------------------------------------
 // wxFileDataObjectBase
 // ----------------------------------------------------------------------------