#include <iostream>
#include "cppunit/extensions/HelperMacros.h"
#include "cppunit/TestCaller.h"
#include "cppunit/TestCase.h"
#include "cppunit/TestSuite.h"
#include "FTGlyph.h"
#include "FTFont.h"
#include "arial_ttf.cpp"
static const char* BAD_FONT_FILE = "missing_font.ttf";
static const char* GOOD_FONT_FILE = "../../test/MHei-Medium-Acro";
static const char* GOOD_ASCII_TEST_STRING = "test string";
static const char* BAD_ASCII_TEST_STRING = "";
static const wchar_t GOOD_UNICODE_TEST_STRING[4] = { 0x6FB3, 0x9580, 0x0};
static const wchar_t* BAD_UNICODE_TEST_STRING = L"";
static const unsigned int GOOD_SIZE = 72;
static const unsigned int RESOLUTION = 72;
class TestGlyph : public FTGlyph
{
public:
TestGlyph( FT_Glyph glyph)
: FTGlyph( glyph)
{
FT_Done_Glyph( glyph );
}
float Render( const FTPoint& pen){ return advance;}
};
class TestFont : public FTFont
{
public:
TestFont( const char* fontname)
: FTFont( fontname)
{}
TestFont( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
: FTFont( pBufferBytes, bufferSizeInBytes)
{}
FTGlyph* MakeGlyph( unsigned int g)
{
FT_Glyph* ftGlyph = face.Glyph( g, FT_LOAD_NO_HINTING);
if( ftGlyph)
{
TestGlyph* tempGlyph = new TestGlyph( *ftGlyph);
return tempGlyph;
}
err = face.Error();
return NULL;
}
};
class FTFontTest : public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE( FTFontTest);
CPPUNIT_TEST( testOpenFont);
CPPUNIT_TEST( testOpenFontFromMemory);
CPPUNIT_TEST( testAttachFile);
CPPUNIT_TEST( testSetFontSize);
CPPUNIT_TEST( testSetCharMap);
CPPUNIT_TEST( testBoundingBox);
CPPUNIT_TEST( testAdvance);
CPPUNIT_TEST_SUITE_END();
public:
FTFontTest() : CppUnit::TestCase( "FTFont test") {};
FTFontTest( const std::string& name) : CppUnit::TestCase(name) {};
void testOpenFont()
{
TestFont badFont( BAD_FONT_FILE);
CPPUNIT_ASSERT( badFont.Error() == 1);
TestFont goodFont( GOOD_FONT_FILE);
CPPUNIT_ASSERT( goodFont.Error() == 0);
}
void testOpenFontFromMemory()
{
TestFont badFont( (unsigned char*)100, 0);
CPPUNIT_ASSERT( badFont.Error() == 85);
TestFont goodFont( arial_ttf.dataBytes, arial_ttf.numBytes);
CPPUNIT_ASSERT( goodFont.Error() == 0);
}
void testAttachFile()
{
testFont->Attach( GOOD_FONT_FILE);
CPPUNIT_ASSERT( testFont->Error() == 7);
}
void testSetFontSize()
{
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, testFont->Ascender(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, testFont->Descender(), 0.01);
CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
CPPUNIT_ASSERT( testFont->Error() == 0);
CPPUNIT_ASSERT( testFont->FaceSize() == GOOD_SIZE);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 52, testFont->Ascender(), 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( -14, testFont->Descender(), 0.01);
}
void testSetCharMap()
{
CPPUNIT_ASSERT( testFont->CharMap( ft_encoding_unicode));
CPPUNIT_ASSERT( testFont->Error() == 0);
CPPUNIT_ASSERT( !testFont->CharMap( ft_encoding_johab));
CPPUNIT_ASSERT( testFont->Error() == 6);
}
void testBoundingBox()
{
CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
CPPUNIT_ASSERT( testFont->Error() == 0);
float llx, lly, llz, urx, ury, urz;
testFont->BBox( GOOD_ASCII_TEST_STRING, llx, lly, llz, urx, ury, urz);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.21, llx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( -15.12, lly, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.00, llz, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 307.43, urx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 51.54, ury, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.00, urz, 0.01);
testFont->BBox( BAD_ASCII_TEST_STRING, llx, lly, llz, urx, ury, urz);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, lly, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llz, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, ury, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urz, 0.01);
testFont->BBox( GOOD_UNICODE_TEST_STRING, llx, lly, llz, urx, ury, urz);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 2.15, llx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( -6.12, lly, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.00, llz, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 134.28, urx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 61.12, ury, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.00, urz, 0.01);
testFont->BBox( BAD_UNICODE_TEST_STRING, llx, lly, llz, urx, ury, urz);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, lly, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llz, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urx, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, ury, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urz, 0.01);
}
void testAdvance()
{
CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
CPPUNIT_ASSERT( testFont->Error() == 0);
float advance = testFont->Advance( GOOD_ASCII_TEST_STRING);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 312.10, advance, 0.01);
advance = testFont->Advance( BAD_ASCII_TEST_STRING);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, advance, 0.01);
advance = testFont->Advance( GOOD_UNICODE_TEST_STRING);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 144, advance, 0.01);
advance = testFont->Advance( BAD_UNICODE_TEST_STRING);
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, advance, 0.01);
}
void setUp()
{
testFont = new TestFont( GOOD_FONT_FILE);
}
void tearDown()
{
delete testFont;
}
private:
TestFont* testFont;
};
CPPUNIT_TEST_SUITE_REGISTRATION( FTFontTest);
