kc3-lang/ftgl/test/FTTextureGlyph-Test.cpp

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• Author : henry
  Date : 2004-09-29 10:24:39
  Hash : ef621c53
  Message : Refactored tests

• test/FTTextureGlyph-Test.cpp

• #include <cppunit/extensions/HelperMacros.h>
  #include <cppunit/TestCaller.h>
  #include <cppunit/TestCase.h>
  #include <cppunit/TestSuite.h>
  #include <assert.h>
  
  #include "Fontdefs.h"
  #include "FTTextureGlyph.h"
  
  extern void buildGLContext();
  
  class FTTextureGlyphTest : public CppUnit::TestCase
  {
      CPPUNIT_TEST_SUITE( FTTextureGlyphTest);
          CPPUNIT_TEST( testConstructor);
          CPPUNIT_TEST( testRender);
      CPPUNIT_TEST_SUITE_END();
          
      public:
          FTTextureGlyphTest() : CppUnit::TestCase( "FTTextureGlyph Test")
          {
          }
          
          FTTextureGlyphTest( const std::string& name) : CppUnit::TestCase(name) {}
          
          ~FTTextureGlyphTest()
          {
          }
          
          void testConstructor()
          {
              setUpFreetype();
              
              buildGLContext();
              
              GLuint textureID;
              glGenTextures(1, &textureID);
              
              char* texture[64*64];
          
              glBindTexture( GL_TEXTURE_2D, textureID);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  
              glTexImage2D( GL_TEXTURE_2D, 0, GL_ALPHA, 64, 64, 0, GL_ALPHA, GL_UNSIGNED_BYTE, texture);
      
              FTTextureGlyph* textureGlyph = new FTTextureGlyph( face->glyph, textureID, 0, 0, 64, 64);
           
              CPPUNIT_ASSERT( textureGlyph->Error() == 0);
              CPPUNIT_ASSERT( glGetError() == GL_NO_ERROR);        
  
              tearDownFreetype();
          }
  
          void testRender()
          {
              setUpFreetype();
              
              buildGLContext();
              
              GLuint textureID;
              glGenTextures(1, &textureID);
              
              char* texture[64*64];
          
              glBindTexture( GL_TEXTURE_2D, textureID);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
              glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  
              glTexImage2D( GL_TEXTURE_2D, 0, GL_ALPHA, 64, 64, 0, GL_ALPHA, GL_UNSIGNED_BYTE, texture);
      
              FTTextureGlyph* textureGlyph = new FTTextureGlyph( face->glyph, textureID, 0, 0, 64, 64);
              textureGlyph->Render(FTPoint( 0, 0, 0));
              CPPUNIT_ASSERT( textureGlyph->Error() == 0);
          
              CPPUNIT_ASSERT( glGetError() == GL_NO_ERROR);        
  
              tearDownFreetype();
          }
  
          void setUp() 
          {}
          
          void tearDown() 
          {}
                      
      private:
          FT_Library   library;
          FT_Face      face;
              
          void setUpFreetype()
          {
              FT_Error error = FT_Init_FreeType( &library);
              assert(!error);
              error = FT_New_Face( library, FONT_FILE, 0, &face);
              assert(!error);
              
              FT_Set_Char_Size( face, 0L, FONT_POINT_SIZE * 64, RESOLUTION, RESOLUTION);
              
              error = FT_Load_Char( face, CHARACTER_CODE_A, FT_LOAD_DEFAULT);
              assert( !error);        
          }
          
          void tearDownFreetype()
          {
              FT_Done_Face( face);
              FT_Done_FreeType( library);
          }
  
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION( FTTextureGlyphTest);