tests/graphics/bitmap.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/graphics/bitmap.cpp
   3 // Purpose:     wxBitmap unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2010-03-29
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2010 Vadim Zeitlin <vadim@wxwidgets.org>
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/bitmap.h"
  21 #include "wx/dcmemory.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // test class
  25 // ----------------------------------------------------------------------------
  26
  27 class BitmapTestCase : public CppUnit::TestCase
  28 {
  29 public:
  30     BitmapTestCase() { }
  31
  32     virtual void setUp();
  33     virtual void tearDown();
  34
  35 private:
  36     CPPUNIT_TEST_SUITE( BitmapTestCase );
  37         CPPUNIT_TEST( Mask );
  38     CPPUNIT_TEST_SUITE_END();
  39
  40     void Mask();
  41
  42     wxBitmap m_bmp;
  43
  44     DECLARE_NO_COPY_CLASS(BitmapTestCase)
  45 };
  46
  47 // register in the unnamed registry so that these tests are run by default
  48 CPPUNIT_TEST_SUITE_REGISTRATION( BitmapTestCase );
  49
  50 // also include in its own registry so that these tests can be run alone
  51 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( BitmapTestCase, "BitmapTestCase" );
  52
  53 void BitmapTestCase::setUp()
  54 {
  55     m_bmp.Create(10, 10);
  56
  57     wxMemoryDC dc(m_bmp);;
  58     dc.SetBackground(*wxWHITE);
  59     dc.Clear();
  60
  61     dc.SetBrush(*wxBLACK_BRUSH);
  62     dc.DrawRectangle(4, 4, 2, 2);
  63
  64     dc.SetPen(*wxRED_PEN);
  65     dc.DrawLine(0, 0, 10, 10);
  66     dc.DrawLine(10, 0, 0, 10);
  67 }
  68
  69 void BitmapTestCase::tearDown()
  70 {
  71     m_bmp = wxNullBitmap;
  72 }
  73
  74 void BitmapTestCase::Mask()
  75 {
  76     wxMask *mask = new wxMask(m_bmp, *wxBLACK);
  77     m_bmp.SetMask(mask);
  78
  79     // copying masks should work
  80     wxMask *mask2 = new wxMask(*mask);
  81     m_bmp.SetMask(mask2);
  82 }
  83