src/HYDRO_tests/test_HYDROData_Image.cxx

   1 // Copyright (C) 2014-2015  EDF-R&D
   2 // This library is free software; you can redistribute it and/or
   3 // modify it under the terms of the GNU Lesser General Public
   4 // License as published by the Free Software Foundation; either
   5 // version 2.1 of the License, or (at your option) any later version.
   6 //
   7 // This library is distributed in the hope that it will be useful,
   8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10 // Lesser General Public License for more details.
  11 //
  12 // You should have received a copy of the GNU Lesser General Public
  13 // License along with this library; if not, write to the Free Software
  14 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  15 //
  16 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  17 //
  18
  19 #include<test_HYDROData_Image.h>
  20
  21 #include <HYDROData_Document.h>
  22 #include <HYDROData_Image.h>
  23 #include <QPainter>
  24
  25 static QImage TestImage() {
  26   QImage aPic(50, 40, QImage::Format_RGB32);
  27   QPainter aPainter(&aPic);
  28   aPainter.drawEllipse(6, 7, 38, 30);
  29   aPainter.drawLine(0, 40, 10, 0);
  30   aPainter.drawLine(10, 0, 25, 35);
  31   aPainter.drawLine(25, 35, 40, 0);
  32   aPainter.drawLine(40, 0, 50, 40);
  33   return aPic;
  34 }
  35
  36 void test_HYDROData_Image::testQImage()
  37 {
  38   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  39
  40   Handle(HYDROData_Image) anImage =
  41     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  42   // empty image
  43   QImage anEmpty = anImage->Image();
  44   CPPUNIT_ASSERT(anEmpty.isNull());
  45
  46   // prepare Qt Image for testing
  47   QImage aPic(TestImage());
  48   anImage->SetImage(aPic);
  49   QImage aRestored = anImage->Image();
  50
  51   CPPUNIT_ASSERT(!aRestored.isNull());
  52   //aRestored.save("pic2.bmp");
  53   CPPUNIT_ASSERT(aPic == aRestored);
  54
  55   aDoc->Close();
  56 }
  57
  58 void test_HYDROData_Image::testTrsf()
  59 {
  60   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  61
  62   Handle(HYDROData_Image) anImage =
  63     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  64   // empty trsf
  65   QTransform anEmpty = anImage->Trsf();
  66   CPPUNIT_ASSERT(anEmpty.isIdentity());
  67
  68   // prepare Qt transformation for testing
  69   QTransform aTrsf;
  70   aTrsf.translate(50, 50);
  71   aTrsf.rotate(45);
  72   aTrsf.scale(0.5, 1.0);
  73
  74   anImage->SetTrsf(aTrsf);
  75   QTransform aRestored = anImage->Trsf();
  76
  77   CPPUNIT_ASSERT(!aRestored.isIdentity());
  78   CPPUNIT_ASSERT(aTrsf == aRestored);
  79
  80   aDoc->Close();
  81 }
  82
  83 void test_HYDROData_Image::testReferences()
  84 {
  85   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
  86
  87   Handle(HYDROData_Image) anImage1 =
  88     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  89   Handle(HYDROData_Image) anImage2 =
  90     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  91   Handle(HYDROData_Image) anImage3 =
  92     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
  93
  94   // check initially there is no references
  95   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
  96
  97   // append reference
  98   anImage3->AppendReference(anImage1);
  99   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 100   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
 101
 102   // change reference
 103   anImage3->ChangeReference(0, anImage2);
 104   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 105   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
 106
 107   // append one more reference
 108   anImage3->AppendReference(anImage1);
 109   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 2);
 110   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
 111   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(1), anImage1));
 112
 113   // remove reference
 114   anImage3->RemoveReference(0);
 115   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 116   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
 117
 118   // remove reference
 119   anImage3->RemoveReference(0);
 120   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
 121
 122   // append two references once again and remove all references
 123   anImage3->ChangeReference(0, anImage1);
 124   anImage3->ChangeReference(1, anImage2);
 125   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 2);
 126   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage1));
 127   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(1), anImage2));
 128   anImage3->ClearReferences();
 129   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 0);
 130
 131   aDoc->Close();
 132 }
 133
 134 void test_HYDROData_Image::testCopy()
 135 {
 136   Handle(HYDROData_Document) aDoc = HYDROData_Document::Document(1);
 137
 138   Handle(HYDROData_Image) anImage1 =
 139     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 140   // fill image 1
 141   anImage1->SetImage(TestImage());
 142
 143   QTransform aTrsf;
 144   aTrsf.translate(50, 50);
 145   aTrsf.rotate(45);
 146   aTrsf.scale(0.5, 1.0);
 147   anImage1->SetTrsf(aTrsf);
 148
 149   Handle(HYDROData_Image) anImage2 =
 150     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 151
 152   anImage1->AppendReference(anImage2);
 153
 154   // copy image to the new one
 155   Handle(HYDROData_Image) anImage3 =
 156     Handle(HYDROData_Image)::DownCast(aDoc->CreateObject(KIND_IMAGE));
 157   anImage1->CopyTo(anImage3, true);
 158
 159   // check all fields are correctly copied
 160   CPPUNIT_ASSERT(anImage1->Image() == anImage3->Image());
 161   CPPUNIT_ASSERT(anImage1->Trsf() == anImage3->Trsf());
 162   CPPUNIT_ASSERT_EQUAL(anImage3->NbReferences(), 1);
 163   CPPUNIT_ASSERT(IsEqual(anImage3->Reference(0), anImage2));
 164
 165   aDoc->Close();
 166 }