Further work on wxTextCtrl.

[wxWidgets.git] / src / gtk / dataobj.cpp

diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index e901b6ea57338cc732503d46303d8e916f278490..cfbf0deb8ac26dcbb17e949c212d5472c7657588 100644 (file)
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -152,15 +152,18 @@ wxDataObject::wxDataObject()
 bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const
 {
     size_t nFormatCount = GetFormatCount(dir);
-    if ( nFormatCount == 1 ) {
+    if ( nFormatCount == 1 ) 
+    {
         return format == GetPreferredFormat();
     }
-    else {
+    else 
+    {
         wxDataFormat *formats = new wxDataFormat[nFormatCount];
         GetAllFormats(formats,dir);
 
         size_t n;
-        for ( n = 0; n < nFormatCount; n++ ) {
+        for ( n = 0; n < nFormatCount; n++ ) 
+        {
             if ( formats[n] == format )
                 break;
         }
@@ -204,7 +207,7 @@ size_t wxFileDataObject::GetDataSize() const
     return res + 1;
 }
 
-bool wxFileDataObject::SetData(size_t size, const void *buf)
+bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
 {
     // VZ: old format
 #if 0
@@ -327,40 +330,44 @@ bool wxBitmapDataObject::SetData(size_t size, const void *buf)
 {
     Clear();
 
+    wxCHECK_MSG( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
+                 FALSE, wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
+
     m_pngSize = size;
     m_pngData = malloc(m_pngSize);
 
-    memcpy( m_pngData, buf, m_pngSize );
+    memcpy(m_pngData, buf, m_pngSize);
 
-    wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize );
+    wxMemoryInputStream mstream((char*) m_pngData, m_pngSize);
     wxImage image;
-    wxPNGHandler handler;
-    if ( !handler.LoadFile( &image, mstream ) )
+    if ( !image.LoadFile( mstream, wxBITMAP_TYPE_PNG ) )
     {
         return FALSE;
     }
 
-    m_bitmap = image.ConvertToBitmap();
+    m_bitmap = wxBitmap(image);
 
     return m_bitmap.Ok();
 }
 
 void wxBitmapDataObject::DoConvertToPng()
 {
-    if (!m_bitmap.Ok())
+    if ( !m_bitmap.Ok() )
         return;
 
-    wxImage image( m_bitmap );
-    wxPNGHandler handler;
+    wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
+                 wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
+
+    wxImage image = m_bitmap.ConvertToImage();
 
     wxCountingOutputStream count;
-    handler.SaveFile( &image, count );
+    image.SaveFile(count, wxBITMAP_TYPE_PNG);
 
     m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
     m_pngData = malloc(m_pngSize);
 
-    wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize );
-    handler.SaveFile( &image, mstream );
+    wxMemoryOutputStream mstream((char*) m_pngData, m_pngSize);
+    image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
 }