Google Git
Sign in
gfiber / vendor / opensource / projectM / b82e9b0d19af7e840f567433c3273422c3aa3c4f / . / src / WinLibs / FTGL / test / FTVectoriser-Test.cpp
blob: af5495b6279df00f22fbde01bc2157f4330d9d53 [file] [log] [blame]
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/TestCaller.h>
#include <cppunit/TestCase.h>
#include <cppunit/TestSuite.h>
#include <assert.h>
#include "Fontdefs.h"
#include "FTVectoriser.h"
static double testOutline[] =
{
28, 0, 0.0,
28, 4.53125, 0.0,
26.4756, 2.54, 0.0,
24.69, 0.99125, 0.0,
22.6431, -0.115, 0.0,
20.335, -0.77875, 0.0,
17.7656, -1, 0.0,
16.0434, -0.901563, 0.0,
14.3769, -0.60625, 0.0,
12.7659, -0.114062, 0.0,
11.2106, 0.575, 0.0,
9.71094, 1.46094, 0.0,
8.30562, 2.52344, 0.0,
7.03344, 3.74219, 0.0,
5.89437, 5.11719, 0.0,
4.88844, 6.64844, 0.0,
4.01562, 8.33594, 0.0,
3.29, 10.1538, 0.0,
2.72563, 12.0759, 0.0,
2.3225, 14.1025, 0.0,
2.08063, 16.2334, 0.0,
2, 18.4688, 0.0,
2.07312, 20.6591, 0.0,
2.2925, 22.7675, 0.0,
2.65812, 24.7941, 0.0,
3.17, 26.7388, 0.0,
3.82812, 28.6016, 0.0,
4.6325, 30.3381, 0.0,
5.58313, 31.9041, 0.0,
6.68, 33.2994, 0.0,
7.92313, 34.5241, 0.0,
9.3125, 35.5781, 0.0,
10.8088, 36.45, 0.0,
12.3725, 37.1281, 0.0,
14.0038, 37.6125, 0.0,
15.7025, 37.9031, 0.0,
17.4688, 38, 0.0,
18.7647, 37.9438, 0.0,
20.0025, 37.775, 0.0,
21.1822, 37.4938, 0.0,
22.3038, 37.1, 0.0,
23.3672, 36.5938, 0.0,
24.3631, 35.9975, 0.0,
25.2822, 35.3338, 0.0,
26.1244, 34.6025, 0.0,
26.8897, 33.8037, 0.0,
27.5781, 32.9375, 0.0,
27.5781, 51, 0.0,
34, 51, 0.0,
34, 0, 0.0,
8.375, 18.4844, 0.0,
8.49312, 15.7491, 0.0,
8.8475, 13.3056, 0.0,
9.43813, 11.1541, 0.0,
10.265, 9.29437, 0.0,
11.3281, 7.72656, 0.0,
12.5519, 6.44688, 0.0,
13.8606, 5.45156, 0.0,
15.2544, 4.74062, 0.0,
16.7331, 4.31406, 0.0,
18.2969, 4.17188, 0.0,
19.8669, 4.30781, 0.0,
21.3394, 4.71563, 0.0,
22.7144, 5.39531, 0.0,
23.9919, 6.34688, 0.0,
25.1719, 7.57031, 0.0,
26.19, 9.07312, 0.0,
26.9819, 10.8628, 0.0,
27.5475, 12.9394, 0.0,
27.8869, 15.3028, 0.0,
28, 17.9531, 0.0,
27.8847, 20.8591, 0.0,
27.5388, 23.4394, 0.0,
26.9622, 25.6941, 0.0,
26.155, 27.6231, 0.0,
25.1172, 29.2266, 0.0,
23.9106, 30.5231, 0.0,
22.5972, 31.5316, 0.0,
21.1769, 32.2519, 0.0,
19.6497, 32.6841, 0.0,
18.0156, 32.8281, 0.0,
16.4203, 32.69, 0.0,
14.9344, 32.2756, 0.0,
13.5578, 31.585, 0.0,
12.2906, 30.6181, 0.0,
11.1328, 29.375, 0.0,
10.14, 27.8344, 0.0,
9.36781, 25.975, 0.0,
8.81625, 23.7969, 0.0,
8.48531, 21.3, 0.0,
8.375, 18.4844, 0.0
};
static GLenum testMeshPolygonTypes[] =
{
GL_TRIANGLE_FAN,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_FAN,
GL_TRIANGLE_FAN,
GL_TRIANGLE_FAN,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_FAN,
GL_TRIANGLE_STRIP,
GL_TRIANGLES
};
static unsigned int testMeshPointCount[] =
{
8, 7, 7, 11, 7, 9, 5, 6, 6, 7, 17, 6, 19, 3,
};
static double testMesh[] =
{
28, 4.53125, 0.0,
28, 0, 0.0,
34, 0, 0.0,
28, 17.9531, 0.0,
27.8869, 15.3028, 0.0,
27.5475, 12.9394, 0.0,
26.9819, 10.8628, 0.0,
26.4756, 2.54, 0.0,
26.9819, 10.8628, 0.0,
26.19, 9.07312, 0.0,
26.4756, 2.54, 0.0,
25.1719, 7.57031, 0.0,
24.69, 0.99125, 0.0,
23.9919, 6.34688, 0.0,
22.7144, 5.39531, 0.0,
24.69, 0.99125, 0.0,
22.7144, 5.39531, 0.0,
22.6431, -0.115, 0.0,
21.3394, 4.71563, 0.0,
20.335, -0.77875, 0.0,
19.8669, 4.30781, 0.0,
18.2969, 4.17188, 0.0,
20.335, -0.77875, 0.0,
18.2969, 4.17188, 0.0,
17.7656, -1, 0.0,
16.7331, 4.31406, 0.0,
16.0434, -0.901563, 0.0,
15.2544, 4.74062, 0.0,
14.3769, -0.60625, 0.0,
13.8606, 5.45156, 0.0,
12.7659, -0.114062, 0.0,
12.5519, 6.44688, 0.0,
11.3281, 7.72656, 0.0,
12.7659, -0.114062, 0.0,
11.3281, 7.72656, 0.0,
11.2106, 0.575, 0.0,
10.265, 9.29437, 0.0,
9.71094, 1.46094, 0.0,
9.43813, 11.1541, 0.0,
8.8475, 13.3056, 0.0,
8.81625, 23.7969, 0.0,
9.3125, 35.5781, 0.0,
8.48531, 21.3, 0.0,
7.92313, 34.5241, 0.0,
8.375, 18.4844, 0.0,
8.30562, 2.52344, 0.0,
8.49312, 15.7491, 0.0,
9.71094, 1.46094, 0.0,
8.8475, 13.3056, 0.0,
34, 51, 0.0,
27.5781, 51, 0.0,
27.8847, 20.8591, 0.0,
28, 17.9531, 0.0,
34, 0, 0.0,
27.5781, 32.9375, 0.0,
26.8897, 33.8037, 0.0,
26.9622, 25.6941, 0.0,
27.5388, 23.4394, 0.0,
27.8847, 20.8591, 0.0,
27.5781, 51, 0.0,
26.155, 27.6231, 0.0,
26.9622, 25.6941, 0.0,
26.8897, 33.8037, 0.0,
26.1244, 34.6025, 0.0,
25.2822, 35.3338, 0.0,
25.1172, 29.2266, 0.0,
22.3038, 37.1, 0.0,
22.5972, 31.5316, 0.0,
23.3672, 36.5938, 0.0,
23.9106, 30.5231, 0.0,
24.3631, 35.9975, 0.0,
25.1172, 29.2266, 0.0,
25.2822, 35.3338, 0.0,
11.1328, 29.375, 0.0,
12.2906, 30.6181, 0.0,
12.3725, 37.1281, 0.0,
13.5578, 31.585, 0.0,
14.0038, 37.6125, 0.0,
14.9344, 32.2756, 0.0,
15.7025, 37.9031, 0.0,
16.4203, 32.69, 0.0,
17.4688, 38, 0.0,
18.0156, 32.8281, 0.0,
18.7647, 37.9438, 0.0,
19.6497, 32.6841, 0.0,
20.0025, 37.775, 0.0,
21.1769, 32.2519, 0.0,
21.1822, 37.4938, 0.0,
22.5972, 31.5316, 0.0,
22.3038, 37.1, 0.0,
10.8088, 36.45, 0.0,
9.3125, 35.5781, 0.0,
9.36781, 25.975, 0.0,
10.14, 27.8344, 0.0,
11.1328, 29.375, 0.0,
12.3725, 37.1281, 0.0,
8.30562, 2.52344, 0.0,
7.92313, 34.5241, 0.0,
7.03344, 3.74219, 0.0,
6.68, 33.2994, 0.0,
5.89437, 5.11719, 0.0,
5.58313, 31.9041, 0.0,
4.88844, 6.64844, 0.0,
4.6325, 30.3381, 0.0,
4.01562, 8.33594, 0.0,
3.82812, 28.6016, 0.0,
3.29, 10.1538, 0.0,
3.17, 26.7388, 0.0,
2.72563, 12.0759, 0.0,
2.65812, 24.7941, 0.0,
2.3225, 14.1025, 0.0,
2.2925, 22.7675, 0.0,
2.08063, 16.2334, 0.0,
2.07312, 20.6591, 0.0,
2, 18.4688, 0.0,
9.3125, 35.5781, 0.0,
8.81625, 23.7969, 0.0,
9.36781, 25.975, 0.0
};
class FTVectoriserTest : public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE( FTVectoriserTest);
CPPUNIT_TEST( testFreetypeVersion);
CPPUNIT_TEST( testNullGlyphProcess);
CPPUNIT_TEST( testBadGlyphProcess);
CPPUNIT_TEST( testSimpleGlyphProcess);
CPPUNIT_TEST( testComplexGlyphProcess);
CPPUNIT_TEST( testGetContour);
CPPUNIT_TEST( testGetOutline);
CPPUNIT_TEST( testGetMesh);
CPPUNIT_TEST( testMakeMesh);
CPPUNIT_TEST_SUITE_END();
public:
FTVectoriserTest() : CppUnit::TestCase( "FTVectoriser Test")
{}
FTVectoriserTest( const std::string& name) : CppUnit::TestCase(name)
{}
void testFreetypeVersion()
{
setUpFreetype( NULL_CHARACTER_INDEX);
FT_Int major;
FT_Int minor;
FT_Int patch;
FT_Library_Version( library, &major, &minor, &patch);
// If you hit these asserts then you have the wrong library version to run the tests.
// You can still run the tests but some will fail because the hinter changed in 2.1.4
CPPUNIT_ASSERT( major == 2);
CPPUNIT_ASSERT( minor == 1);
CPPUNIT_ASSERT( patch >= 4);
tearDownFreetype();
}
void testNullGlyphProcess()
{
FTVectoriser vectoriser( NULL);
CPPUNIT_ASSERT( vectoriser.ContourCount() == 0);
}
void testBadGlyphProcess()
{
setUpFreetype( NULL_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
CPPUNIT_ASSERT( vectoriser.ContourCount() == 0);
tearDownFreetype();
}
void testSimpleGlyphProcess()
{
setUpFreetype( SIMPLE_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
CPPUNIT_ASSERT( vectoriser.ContourCount() == 2);
CPPUNIT_ASSERT( vectoriser.PointCount() == 8);
tearDownFreetype();
}
void testComplexGlyphProcess()
{
setUpFreetype( COMPLEX_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
CPPUNIT_ASSERT( vectoriser.ContourCount() == 2);
CPPUNIT_ASSERT( vectoriser.PointCount() == 91);
tearDownFreetype();
}
void testGetContour()
{
setUpFreetype( SIMPLE_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
CPPUNIT_ASSERT( vectoriser.Contour(1));
CPPUNIT_ASSERT( vectoriser.Contour(99) == NULL);
tearDownFreetype();
}
void testGetOutline()
{
setUpFreetype( COMPLEX_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
unsigned int d = 0;
for( size_t c = 0; c < vectoriser.ContourCount(); ++c)
{
const FTContour* contour = vectoriser.Contour(c);
for( size_t p = 0; p < contour->PointCount(); ++p)
{
CPPUNIT_ASSERT_DOUBLES_EQUAL( *(testOutline + d), contour->Point(p).X() / 64.0f, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( *(testOutline + d + 1), contour->Point(p).Y() / 64.0f, 0.01);
d += 3;
}
}
tearDownFreetype();
}
void testGetMesh()
{
setUpFreetype( SIMPLE_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
CPPUNIT_ASSERT( vectoriser.GetMesh() == NULL);
vectoriser.MakeMesh( FTGL_FRONT_FACING);
CPPUNIT_ASSERT( vectoriser.GetMesh());
}
void testMakeMesh()
{
setUpFreetype( COMPLEX_CHARACTER_INDEX);
FTVectoriser vectoriser( face->glyph);
vectoriser.MakeMesh( FTGL_FRONT_FACING);
int d = 0;
const FTMesh* mesh = vectoriser.GetMesh();
unsigned int tesselations = mesh->TesselationCount();
CPPUNIT_ASSERT( tesselations == 14);
for( unsigned int index = 0; index < tesselations; ++index)
{
const FTTesselation* subMesh = mesh->Tesselation( index);
unsigned int polyType = subMesh->PolygonType();
CPPUNIT_ASSERT( testMeshPolygonTypes[index] == polyType);
unsigned int numberOfVertices = subMesh->PointCount();
CPPUNIT_ASSERT( testMeshPointCount[index] == numberOfVertices);
for( unsigned int x = 0; x < numberOfVertices; ++x)
{
CPPUNIT_ASSERT_DOUBLES_EQUAL( *(testMesh + d), subMesh->Point(x).X() / 64, 0.01);
CPPUNIT_ASSERT_DOUBLES_EQUAL( *(testMesh + d + 1), subMesh->Point(x).Y() / 64, 0.01);
d += 3;
}
}
tearDownFreetype();
}
void setUp()
{}
void tearDown()
{}
private:
FT_Library library;
FT_Face face;
void setUpFreetype( unsigned int characterIndex)
{
FT_Error error = FT_Init_FreeType( &library);
assert(!error);
error = FT_New_Face( library, ARIAL_FONT_FILE, 0, &face);
assert(!error);
loadGlyph( characterIndex);
}
void loadGlyph( unsigned int characterIndex)
{
long glyphIndex = FT_Get_Char_Index( face, characterIndex);
FT_Set_Char_Size( face, 0L, FONT_POINT_SIZE * 64, RESOLUTION, RESOLUTION);
FT_Error error = FT_Load_Glyph( face, glyphIndex, FT_LOAD_DEFAULT);
assert(!error);
}
void tearDownFreetype()
{
FT_Done_Face( face);
FT_Done_FreeType( library);
}
};
CPPUNIT_TEST_SUITE_REGISTRATION( FTVectoriserTest);