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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 "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);
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