wxWidgets/include/wx/dfb/private.h
2006-09-10 15:51:03 +00:00

91 lines
3.2 KiB
C

/////////////////////////////////////////////////////////////////////////////
// Name: wx/dfb/private.h
// Purpose: private helpers for wxDFB implementation
// Author: Vaclav Slavik
// Created: 2006-08-09
// RCS-ID: $Id$
// Copyright: (c) 2006 REA Elektronik GmbH
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DFB_PRIVATE_H_
#define _WX_DFB_PRIVATE_H_
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/dfb/wrapdfb.h"
#include <directfb_version.h>
//-----------------------------------------------------------------------------
// strings conversion
//-----------------------------------------------------------------------------
// convert string from wxString to UTF-8 encoded const char*
#if wxUSE_UNICODE
#define wxSTR_TO_DFB(s) (s).mb_str(wxConvUTF8)
#else
#define wxSTR_TO_DFB(s) wxConvUTF8.cWC2MB((s).wc_str(*wxConvUI))
#endif
//-----------------------------------------------------------------------------
// surface manipulation helpers
//-----------------------------------------------------------------------------
/// Mode of wxDfbCloneSurface() call
enum wxDfbCloneSurfaceMode
{
/// Don't copy surface pixels, just clone surface size and attributes
wxDfbCloneSurface_NoPixels = 0,
/// Make exact copy, including the pixels
wxDfbCloneSurface_CopyPixels
};
/**
Creates surface that is compatible with given @a surface (i.e. has same
capabilities, pixel format etc.) and has given @a size.
*/
wxIDirectFBSurfacePtr wxDfbCreateCompatibleSurface(
const wxIDirectFBSurfacePtr& surface,
const wxSize& size);
/**
Creates a new surface by cloning existing one. Depending on @a mode,
either makes exact copy (wxDfbCloneSurface_CopyPixels) or only creates a
new surface with the same size and attributes (wxDfbCloneSurface_NoPixels).
*/
wxIDirectFBSurfacePtr wxDfbCloneSurface(const wxIDirectFBSurfacePtr& s,
wxDfbCloneSurfaceMode mode);
/// Returns bit depth used by the surface
int wxDfbGetSurfaceDepth(const wxIDirectFBSurfacePtr& s);
/// Returns interface to the primary display layer:
wxIDirectFBDisplayLayerPtr wxDfbGetDisplayLayer();
/// Returns interface to the primary surface:
wxIDirectFBSurfacePtr wxDfbGetPrimarySurface();
//-----------------------------------------------------------------------------
// misc helpers
//-----------------------------------------------------------------------------
/// Convert DirectFB timestamp to wxEvent one:
#define wxDFB_EVENT_TIMESTAMP(event) \
((event).timestamp.tv_sec * 1000 + (event).timestamp.tv_usec / 1000)
/**
Check if DirectFB library version is at least @a major.@a minor.@a release.
@see wxCHECK_VERSION
*/
#define wxCHECK_DFB_VERSION(major,minor,release) \
(DIRECTFB_MAJOR_VERSION > (major) || \
(DIRECTFB_MAJOR_VERSION == (major) && \
DIRECTFB_MINOR_VERSION > (minor)) || \
(DIRECTFB_MAJOR_VERSION == (major) && \
DIRECTFB_MINOR_VERSION == (minor) && \
DIRECTFB_MICRO_VERSION >= (release)))
#endif // _WX_DFB_PRIVATE_H_