wxWidgets/tests/drawing/pluginsample.cpp

85 lines
2.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/drawing/pluginsample.cpp
// Purpose: Sample plugin for the wxGraphicsContext test
// Author: Armel Asselin
// Created: 2014-02-21
// Copyright: (c) 2014 Ellié Computing <opensource@elliecomputing.com>
///////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "plugin.h"
#if wxUSE_TEST_GC_DRAWING
// ----------------------------------------------------------------------------
// plugin implementation
// ----------------------------------------------------------------------------
class SampleDrawingTestGCFactory: public DrawingTestGCFactory {
public:
SampleDrawingTestGCFactory() {
wxImage::AddHandler (new wxBMPHandler());
}
virtual ~SampleDrawingTestGCFactory() {
}
virtual wxString GetIdForFileName () const wxOVERRIDE { return "sample-plg"; }
virtual wxString GetExtensionForFileName () const wxOVERRIDE { return "bmp"; }
// Bitmaps are handled by wx code they should be binarily equal
virtual bool UseImageComparison() const wxOVERRIDE { return false; }
// We use wxGraphicsContext, its implementation is not platform independent
// and returns may slightly vary
virtual bool PlatformIndependent() const wxOVERRIDE { return false; }
virtual wxGraphicsContext *BuildNewContext (wxSize expectedSize,
double WXUNUSED(pointsPerInch), const wxFileName &targetFileName) wxOVERRIDE {
m_image = new wxImage (expectedSize);
m_image->InitAlpha();
m_targetFileName = targetFileName.GetFullPath();
// we should probably pass the number of points per inches somewhere...
// but I don't see where yet...
return wxGraphicsContext::Create(*m_image);
}
// Let's the opportunity to actually save the context and associated data
// If saving requires deleting the wxGraphicsContext object the
// implementer is free to do it but @c gc must then be nulled
virtual void SaveBuiltContext (wxGraphicsContext *&gc) wxOVERRIDE {
wxDELETE(gc);
m_image->SaveFile (m_targetFileName);
}
// Cleans @c gc and internal data if any
virtual void CleanUp (wxGraphicsContext *gc) wxOVERRIDE {
delete gc;
m_targetFileName.Empty();
wxDELETE(m_image);
}
wxImage *m_image;
wxString m_targetFileName;
};
extern "C" WXEXPORT DrawingTestGCFactory * CreateDrawingTestLifeCycle()
{
return new SampleDrawingTestGCFactory;
}
extern "C" WXEXPORT void DestroyDrawingTestLifeCycle (DrawingTestGCFactory* lc)
{
delete lc;
}
#endif // wxUSE_TEST_GC_DRAWING