tests/testimage.h

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