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

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• Hash : ef85a014
  Author :
  Date : 2008-04-22T16:21:04
  

  * Allow to selectively display parts of the glyph/font/layout. This is currently only used in FTExtrdGlyph: it lets the user render the front surface in a different color than the extruded side surface. Code written by Eric Beets.

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• test/FTGlyphContainer-Test.cpp

• #include <cppunit/extensions/HelperMacros.h>
  #include <cppunit/TestCaller.h>
  #include <cppunit/TestCase.h>
  #include <cppunit/TestSuite.h>
  
  
  #include "Fontdefs.h"
  #include "FTFace.h"
  #include "FTGlyph.h"
  #include "FTGlyphContainer.h"
  
  
  class TestGlyph : public FTGlyph
  {
      public:
          TestGlyph()
          :   FTGlyph(0)
          {
              advance = FTPoint(50.0f, 0.0f, 0.0f);
          }
          
          virtual const FTPoint& Render( const FTPoint& pen, int renderMode){ return advance;}
  };
  
  
  class FTGlyphContainerTest : public CppUnit::TestCase
  {
      CPPUNIT_TEST_SUITE( FTGlyphContainerTest);
          CPPUNIT_TEST( testAdd);
          CPPUNIT_TEST( testSetCharMap);
          CPPUNIT_TEST( testGlyphIndex);
          CPPUNIT_TEST( testAdvance);
          CPPUNIT_TEST( testRender);
      CPPUNIT_TEST_SUITE_END();
          
      public:
          FTGlyphContainerTest() : CppUnit::TestCase( "FTGlyphContainer Test")
          {
              face = new FTFace( GOOD_FONT_FILE);
              face->Size( 72, 72);
          }
          
          FTGlyphContainerTest( const std::string& name) : CppUnit::TestCase(name)
          {
              delete face;
          }
  
          void testAdd()
          {
              TestGlyph* glyph = new TestGlyph();
              CPPUNIT_ASSERT( glyphContainer->Glyph( CHARACTER_CODE_A) == NULL);
  
              glyphContainer->Add( glyph, CHARACTER_CODE_A);
              glyphContainer->Add( NULL, 0);
  
              CPPUNIT_ASSERT( glyphContainer->Glyph( 0) == NULL);
              CPPUNIT_ASSERT( glyphContainer->Glyph( 999) == NULL);
              CPPUNIT_ASSERT( glyphContainer->Glyph( CHARACTER_CODE_A) == glyph);
          }
  
      
          void testSetCharMap()
          {
              CPPUNIT_ASSERT( glyphContainer->CharMap( ft_encoding_unicode));
              CPPUNIT_ASSERT_EQUAL( glyphContainer->Error(), 0);
      
              CPPUNIT_ASSERT( !glyphContainer->CharMap( ft_encoding_johab));
              CPPUNIT_ASSERT_EQUAL( glyphContainer->Error(), 0x06); // invalid argument
          }
  
  
          void testGlyphIndex()
          {
              CPPUNIT_ASSERT_EQUAL( glyphContainer->FontIndex( CHARACTER_CODE_A), FONT_INDEX_OF_A);
              CPPUNIT_ASSERT_EQUAL( glyphContainer->FontIndex( BIG_CHARACTER_CODE), BIG_FONT_INDEX);
          }
  
  
          void testAdvance()
          {
              TestGlyph* glyph = new TestGlyph();
  
              glyphContainer->Add( glyph, CHARACTER_CODE_A);
              float advance = glyphContainer->Advance( CHARACTER_CODE_A, 0);
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 50, advance, 0.01);
          }
          
          
          void testRender()
          {
              TestGlyph* glyph = new TestGlyph();
              
              glyphContainer->Add( glyph, 'A');
              
              FTPoint pen;
              
              float advance = glyphContainer->Render( 'A', 0, pen, FTGL::RENDER_FRONT |
                                                                   FTGL::RENDER_BACK |
                                                                   FTGL::RENDER_SIDE).X();
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 50, advance, 0.01);
          }
          
          
          void setUp() 
          {
              glyphContainer = new FTGlyphContainer( face);
          }
          
          
          void tearDown() 
          {
              delete glyphContainer;
          }
          
      private:
          FTFace*           face;
          FTGlyphContainer* glyphContainer;
  
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION( FTGlyphContainerTest);
  
  

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