tests/testimage.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/testimage.h
   3 // Purpose:     Unit test helpers for dealing with wxImage.
   4 // Author:      Vadim Zeitlin
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_TESTS_TESTIMAGE_H_
  11 #define _WX_TESTS_TESTIMAGE_H_
  12
  13 #include "wx/image.h"
  14
  15 CPPUNIT_NS_BEGIN
  16
  17 template <>
  18 struct assertion_traits<wxImage>
  19 {
  20     static bool equal(const wxImage& i1, const wxImage& i2)
  21     {
  22         if ( i1.GetWidth() != i2.GetWidth() )
  23             return false;
  24
  25         if ( i1.GetHeight() != i2.GetHeight() )
  26             return false;
  27
  28         return memcmp(i1.GetData(), i2.GetData(),
  29                       i1.GetWidth()*i1.GetHeight()*3) == 0;
  30     }
  31
  32     static std::string toString(const wxImage& image)
  33     {
  34         return wxString::Format("image of size %d*%d with%s alpha",
  35                                 image.GetWidth(),
  36                                 image.GetHeight(),
  37                                 image.HasAlpha() ? "" : "out")
  38                 .ToStdString();
  39     }
  40 };
  41
  42 CPPUNIT_NS_END
  43
  44 #endif // _WX_TESTS_TESTIMAGE_H_