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kc3-lang/ftgl/test/FTBBox-Test.cpp
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Author :
sammy
Date : 2008-04-13 21:27:22
Hash : d228d390
Message : * Merged trunk commits [741], [742], [745], [747], [748] and [749], by henry: + Changed to use FTGlyphSlot internally instead of FTGlyph. + Added a test for broken glyph but freetype is broken so it doesn't work. + Added SetDepth function to FTBBox. + Tidy Up. + Test for bitmap bbox.
- test/FTBBox-Test.cpp
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#include <cppunit/extensions/HelperMacros.h> #include <cppunit/TestCaller.h> #include <cppunit/TestCase.h> #include <cppunit/TestSuite.h> #include <assert.h> #include <ft2build.h> #include FT_FREETYPE_H #include FT_GLYPH_H #include "Fontdefs.h" #include "FTBBox.h" class FTBBoxTest : public CppUnit::TestCase { CPPUNIT_TEST_SUITE( FTBBoxTest); CPPUNIT_TEST( testDefaultConstructor); CPPUNIT_TEST( testGlyphConstructor); CPPUNIT_TEST( testBitmapConstructor); CPPUNIT_TEST( testMoveBBox); CPPUNIT_TEST( testPlusEquals); CPPUNIT_TEST( testSetDepth); CPPUNIT_TEST_SUITE_END(); public: FTBBoxTest() : CppUnit::TestCase( "FTBBox Test") {} FTBBoxTest( const std::string& name) : CppUnit::TestCase(name) {} void testDefaultConstructor() { FTBBox boundingBox; CPPUNIT_ASSERT( boundingBox.lowerX == 0.0f); CPPUNIT_ASSERT( boundingBox.lowerY == 0.0f); CPPUNIT_ASSERT( boundingBox.lowerZ == 0.0f); CPPUNIT_ASSERT( boundingBox.upperX == 0.0f); CPPUNIT_ASSERT( boundingBox.upperY == 0.0f); CPPUNIT_ASSERT( boundingBox.upperZ == 0.0f); } void testGlyphConstructor() { setUpFreetype( GOOD_FONT_FILE); // FTBBox boundingBox2( (FT_GlyphSlot)(0)); // CPPUNIT_ASSERT( boundingBox2.lowerX == 0.0f); // CPPUNIT_ASSERT( boundingBox2.lowerY == 0.0f); // CPPUNIT_ASSERT( boundingBox2.lowerZ == 0.0f); // CPPUNIT_ASSERT( boundingBox2.upperX == 0.0f); // CPPUNIT_ASSERT( boundingBox2.upperY == 0.0f); // CPPUNIT_ASSERT( boundingBox2.upperZ == 0.0f); FTBBox boundingBox( face->glyph); CPPUNIT_ASSERT_DOUBLES_EQUAL( 2, boundingBox.lowerX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, boundingBox.lowerY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox.lowerZ, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 35, boundingBox.upperX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 38, boundingBox.upperY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox.upperZ, 0.01); tearDownFreetype(); } void testBitmapConstructor() { setUpFreetype( GOOD_FONT_FILE); FT_Load_Char( face, CHARACTER_CODE_G, FT_LOAD_MONOCHROME); CPPUNIT_ASSERT( ft_glyph_format_bitmap != face->glyph->format); FTBBox boundingBox3( face->glyph); CPPUNIT_ASSERT_DOUBLES_EQUAL( 2, boundingBox3.lowerX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, boundingBox3.lowerY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox3.lowerZ, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 35, boundingBox3.upperX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 38, boundingBox3.upperY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox3.upperZ, 0.01); } void testMoveBBox() { FTBBox boundingBox; FTPoint firstMove( 3.5f, 1.0f, -2.5f); FTPoint secondMove( -3.5f, -1.0f, 2.5f); boundingBox.Move( firstMove); CPPUNIT_ASSERT( boundingBox.lowerX == 3.5f); CPPUNIT_ASSERT( boundingBox.lowerY == 1.0f); CPPUNIT_ASSERT( boundingBox.lowerZ == -2.5f); CPPUNIT_ASSERT( boundingBox.upperX == 3.5f); CPPUNIT_ASSERT( boundingBox.upperY == 1.0f); CPPUNIT_ASSERT( boundingBox.upperZ == -2.5f); boundingBox.Move( secondMove); CPPUNIT_ASSERT( boundingBox.lowerX == 0.0f); CPPUNIT_ASSERT( boundingBox.lowerY == 0.0f); CPPUNIT_ASSERT( boundingBox.lowerZ == 0.0f); CPPUNIT_ASSERT( boundingBox.upperX == 0.0f); CPPUNIT_ASSERT( boundingBox.upperY == 0.0f); CPPUNIT_ASSERT( boundingBox.upperZ == 0.0f); } void testPlusEquals() { setUpFreetype( GOOD_FONT_FILE); FTBBox boundingBox1; FTBBox boundingBox2( face->glyph); boundingBox1 += boundingBox2; CPPUNIT_ASSERT_DOUBLES_EQUAL( 2, boundingBox2.lowerX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, boundingBox2.lowerY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox2.lowerZ, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 35, boundingBox2.upperX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 38, boundingBox2.upperY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox2.upperZ, 0.01); float advance = 40; boundingBox2.Move( FTPoint( advance, 0, 0)); boundingBox1 += boundingBox2; CPPUNIT_ASSERT_DOUBLES_EQUAL( 42, boundingBox2.lowerX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, boundingBox2.lowerY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox2.lowerZ, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 75, boundingBox2.upperX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 38, boundingBox2.upperY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox2.upperZ, 0.01); tearDownFreetype(); } void testSetDepth() { setUpFreetype( GOOD_FONT_FILE); FTBBox boundingBox( face->glyph); boundingBox.SetDepth( 37.754); CPPUNIT_ASSERT_DOUBLES_EQUAL( 2, boundingBox.lowerX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, boundingBox.lowerY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, boundingBox.lowerZ, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 35, boundingBox.upperX, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 38, boundingBox.upperY, 0.01); CPPUNIT_ASSERT_DOUBLES_EQUAL( 37.754, boundingBox.upperZ, 0.01); tearDownFreetype(); } void setUp() {} void tearDown() {} private: FT_Library library; FT_Face face; void setUpFreetype(const char *fontName) { FT_Error error = FT_Init_FreeType( &library); CPPUNIT_ASSERT(!error); error = FT_New_Face( library, fontName, 0, &face); CPPUNIT_ASSERT(!error); FT_Set_Char_Size( face, 0L, FONT_POINT_SIZE * 64, RESOLUTION, RESOLUTION); error = FT_Load_Char( face, CHARACTER_CODE_G, FT_LOAD_RENDER); CPPUNIT_ASSERT(!error); } void tearDownFreetype() { FT_Done_Face( face); FT_Done_FreeType( library); } }; CPPUNIT_TEST_SUITE_REGISTRATION( FTBBoxTest);