src/HYDROData/test_HYDROData_Image.cxx

   1 #include<test_HYDROData_Image.h>
   2
   3 #include <HYDROData_Document.h>
   4 #include <HYDROData_Image.h>
   5 #include <QPainter>
   6
   7 static QImage TestImage() {
   8   QImage aPic(50, 40, QImage::Format_RGB32);
   9   QPainter aPainter(&aPic);
  10   aPainter.drawEllipse(6, 7, 38, 30);
  11   aPainter.drawLine(0, 40, 10, 0);
  12   aPainter.drawLine(10, 0, 25, 35);
  13   aPainter.drawLine(25, 35, 40, 0);
  14   aPainter.drawLine(40, 0, 50, 40);
  15   return aPic;
  16 }
  17
  18 void test_HYDROData_Image::testQImage()
  19 {
  20   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  21
  22   Handle(HYDROData_Image) anImage =
  23     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  24   // empty image
  25   QImage anEmpty = anImage->Image();
  26   CPPUNIT_ASSERT(anEmpty.isNull());
  27
  28   // prepare Qt Image for testing
  29   QImage aPic(TestImage());
  30   anImage->SetImage(aPic);
  31   QImage aRestored = anImage->Image();
  32
  33   CPPUNIT_ASSERT(!aRestored.isNull());
  34   //aRestored.save("pic2.bmp");
  35   CPPUNIT_ASSERT(aPic == aRestored);
  36
  37   aDoc->Close();
  38 }
  39
  40 void test_HYDROData_Image::testTrsf()
  41 {
  42   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  43
  44   Handle(HYDROData_Image) anImage =
  45     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  46   // empty trsf
  47   QTransform anEmpty = anImage->Trsf();
  48   CPPUNIT_ASSERT(anEmpty.isIdentity());
  49
  50   // prepare Qt transformation for testing
  51   QTransform aTrsf;
  52   aTrsf.translate(50, 50);
  53   aTrsf.rotate(45);
  54   aTrsf.scale(0.5, 1.0);
  55
  56   anImage->SetTrsf(aTrsf);
  57   QTransform aRestored = anImage->Trsf();
  58
  59   CPPUNIT_ASSERT(!aRestored.isIdentity());
  60   CPPUNIT_ASSERT(aTrsf == aRestored);
  61
  62   aDoc->Close();
  63 }
  64
  65 void test_HYDROData_Image::testReferences()
  66 {
  67   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  68
  69   Handle(HYDROData_Image) anImage1 =
  70     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  71   Handle(HYDROData_Image) anImage2 =
  72     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  73   Handle(HYDROData_Image) anImage3 =
  74     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  75
  76   CPPUNIT_ASSERT(anImage1->ID() != anImage2->ID());
  77   CPPUNIT_ASSERT(anImage2->ID() != anImage3->ID());
  78
  79   // check initially there is no references
  80   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
  81
  82   // append reference
  83   anImage3->AppendReference(anImage1);
  84   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
  85   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
  86
  87   // change reference
  88   anImage3->ChangeReference(0, anImage2);
  89   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
  90   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
  91
  92   // append one more reference
  93   anImage3->AppendReference(anImage1);
  94   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 2);
  95   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
  96   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(1), anImage1));
  97
  98   // remove reference
  99   anImage3->RemoveReference(0);
 100   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 101   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
 102
 103   // remove reference
 104   anImage3->RemoveReference(0);
 105   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
 106
 107   // append two references once again and remove all references
 108   anImage3->ChangeReference(0, anImage1);
 109   anImage3->ChangeReference(1, anImage2);
 110   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 2);
 111   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
 112   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(1), anImage2));
 113   anImage3->ClearReferences();
 114   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
 115
 116   aDoc->Close();
 117 }
 118
 119 void test_HYDROData_Image::testCopy()
 120 {
 121   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
 122
 123   Handle(HYDROData_Image) anImage1 =
 124     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 125   // fill image 1
 126   anImage1->SetImage(TestImage());
 127
 128   QTransform aTrsf;
 129   aTrsf.translate(50, 50);
 130   aTrsf.rotate(45);
 131   aTrsf.scale(0.5, 1.0);
 132   anImage1->SetTrsf(aTrsf);
 133
 134   Handle(HYDROData_Image) anImage2 =
 135     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 136
 137   anImage1->AppendReference(anImage2);
 138
 139   // copy image to the new one
 140   Handle(HYDROData_Image) anImage3 =
 141     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 142   anImage1->CopyTo(anImage3);
 143
 144   // check all fields are correctly copied
 145   CPPUNIT_ASSERT(anImage1->Image() == anImage3->Image());
 146   CPPUNIT_ASSERT(anImage1->Trsf() == anImage3->Trsf());
 147   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 148   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
 149
 150   aDoc->Close();
 151 }