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[wxWidgets.git] / docs / latex / wx / bmpdatob.tex

diff --git a/docs/latex/wx/bmpdatob.tex b/docs/latex/wx/bmpdatob.tex
index 8519138f17333bbee271c4004fc9dfb020c89783..b675df71b9008fb47a6f07d68c216909c27ec8e1 100644 (file)
--- a/docs/latex/wx/bmpdatob.tex
+++ b/docs/latex/wx/bmpdatob.tex
@@ -1,38 +1,60 @@
 \section{\class{wxBitmapDataObject}}\label{wxbitmapdataobject}
 
 \section{\class{wxBitmapDataObject}}\label{wxbitmapdataobject}
 

- wxBitmapDataObject is a specialization of wxDataObject for bitmaps.
+wxBitmapDataObject is a specialization of wxDataObject for bitmap data. It can
+be used without change to paste data into the 
+\helpref{wxClipboard}{wxclipboard} or a \helpref{wxDropSource}{wxdropsource}. A
+user may wish to derive a new class from this class for providing a bitmap
+on-demand in order to minimize memory consumption when offering data in several
+formats, such as a bitmap and GIF.
+
+\pythonnote{If you wish to create a derived wxBitmapDataObject class in
+wxPython you should derive the class from wxPyBitmapDataObject
+in order to get Python-aware capabilities for the various virtual
+methods.}
+
+\wxheading{Virtual functions to override}
+
+This class may be used as is, but 
+\helpref{GetBitmap}{wxbitmapdataobjectgetbitmap} may be overridden to increase
+efficiency.

 
 \wxheading{Derived from}
 
 
 \wxheading{Derived from}
 

+\helpref{wxDataObjectSimple}{wxdataobjectsimple}\\

 \helpref{wxDataObject}{wxdataobject}
 
 \helpref{wxDataObject}{wxdataobject}
 

-\wxheading{See also}
+\wxheading{Include files}

 
 

-\helpref{wxDataObject}{wxdataobject}, \helpref{wxBitmap}{wxbitmap}
+<wx/dataobj.h>

 
 

-\latexignore{\rtfignore{\wxheading{Members}}}
+\wxheading{See also}

 
 

-\membersection{wxBitmapDataObject::wxBitmapDataObject}\label{wxbitmapdataobjectwxbitmapdataobject}
+\helpref{Clipboard and drag and drop overview}{wxdndoverview}, 
+\helpref{wxDataObject}{wxdataobject}, 
+\helpref{wxDataObjectSimple}{wxdataobjectsimple}, 
+\helpref{wxFileDataObject}{wxfiledataobject}, 
+\helpref{wxTextDataObject}{wxtextdataobject}, 
+\helpref{wxDataObject}{wxdataobject}

 
 

-\func{}{wxBitmapDataObject}{\void}
+\func{}{wxBitmapDataObject}{\param{const wxBitmap\& }{bitmap = wxNullBitmap}}

 
 

-Constructor. TODO: shouldn't there be a constructor taking a wxBitmap?
+Constructor, optionally passing a bitmap (otherwise use 
+\helpref{SetBitmap}{wxbitmapdataobjectsetbitmap} later).

 
 

-\membersection{wxBitmapDataObject::GetFormat}\label{wxbitmapdataobjectgetformat}
+\membersection{wxBitmapDataObject::GetBitmap}\label{wxbitmapdataobjectgetbitmap}

 
 

-\func{virtual wxDataFormat}{GetFormat}{\void}
+\constfunc{virtual wxBitmap}{GetBitmap}{\void}

 
 

-Returns wxDF\_BITMAP.
+Returns the bitmap associated with the data object. You may wish to override
+this method when offering data on-demand, but this is not required by
+wxWidgets' internals. Use this method to get data in bitmap form from
+the \helpref{wxClipboard}{wxclipboard}.

 
 \membersection{wxBitmapDataObject::SetBitmap}\label{wxbitmapdataobjectsetbitmap}
 
 \func{virtual void}{SetBitmap}{\param{const wxBitmap\& }{bitmap}}
 
 
 \membersection{wxBitmapDataObject::SetBitmap}\label{wxbitmapdataobjectsetbitmap}
 
 \func{virtual void}{SetBitmap}{\param{const wxBitmap\& }{bitmap}}
 

-Sets the bitmap for the data object.
-
-\membersection{wxBitmapDataObject::GetBitmap}\label{wxbitmapdataobjectgetbitmap}
-
-\constfunc{virtual wxBitmap}{GetBitmap}{\void}
-
-Returns the bitmap associated with the data object.
+Sets the bitmap associated with the data object. This method is called when the
+data object receives data. Usually there will be no reason to override this
+function.