void FTExtrudeGlyphImpl::RenderBack()
{
vectoriser->MakeMesh(-1.0, 2, backOutset);
glNormal3f(0.0, 0.0, -1.0);
GLfloat colors[4];
const FTMesh *mesh = vectoriser->GetMesh();
for(unsigned int j = 0; j < mesh->TesselationCount(); ++j)
{
const FTTesselation* subMesh = mesh->Tesselation(j);
unsigned int polygonType = subMesh->PolygonType();
glGetFloatv(GL_CURRENT_COLOR, colors);
glBindTexture(GL_TEXTURE_2D, 0);
ftglBegin(polygonType);
ftglColor4f(colors[0], colors[1], colors[2], colors[3]);
for(unsigned int i = 0; i < subMesh->PointCount(); ++i)
{
FTPoint pt = subMesh->Point(i);
ftglTexCoord2f(subMesh->Point(i).Xf() / hscale,
subMesh->Point(i).Yf() / vscale);
ftglVertex3f(subMesh->Point(i).Xf() / 64.0f,
subMesh->Point(i).Yf() / 64.0f,
-depth);
}
ftglEnd();
}
}
void testTooManyPoints()
{
FTGL_DOUBLE testPoint[3] = { 1, 2, 3};
FTGL_DOUBLE* testOutput[] = { 0, 0, 0, 0};
void *pOutput = (void *)testOutput;
FTGL_DOUBLE* hole[] = { 0, 0, 0, 0};
void *pHole = (void *)hole;
FTMesh mesh;
unsigned int x;
ftglBegin(GL_TRIANGLES, &mesh);
ftglCombine(testPoint, NULL, NULL, &pOutput, &mesh);
for(x = 0; x < 200; ++x)
{
ftglCombine(testPoint, NULL, NULL, &pHole, &mesh);
}
CPPUNIT_ASSERT(*testOutput == static_cast<const FTGL_DOUBLE*>(mesh.TempPointList().front()));
for(x = 201; x < 300; ++x)
{
ftglCombine(testPoint, NULL, NULL, &pHole, &mesh);
}
ftglEnd(&mesh);
CPPUNIT_ASSERT(*testOutput == static_cast<const FTGL_DOUBLE*>(mesh.TempPointList().front()));
}
void FTPolygonGlyphImpl::DoRender()
{
GLfloat colors[4];
const FTMesh *mesh = vectoriser->GetMesh();
for(unsigned int t = 0; t < mesh->TesselationCount(); ++t)
{
const FTTesselation* subMesh = mesh->Tesselation(t);
unsigned int polygonType = subMesh->PolygonType();
glGetFloatv(GL_CURRENT_COLOR, colors);
glBindTexture(GL_TEXTURE_2D, 0);
ftglBegin(polygonType);
ftglColor4f(colors[0], colors[1], colors[2], colors[3]);
for(unsigned int i = 0; i < subMesh->PointCount(); ++i)
{
FTPoint point = subMesh->Point(i);
ftglTexCoord2f(point.Xf() / hscale, point.Yf() / vscale);
ftglVertex3f(point.Xf() / 64.0f, point.Yf() / 64.0f, 0.0f);
}
ftglEnd();
}
}
void FTExtrudeGlyphImpl::RenderSide()
{
int contourFlag = vectoriser->ContourFlag();
//LOG_INFO("RenderSide %d", contourFlag);
GLfloat colors[4];
for(size_t c = 0; c < vectoriser->ContourCount(); ++c)
{
const FTContour* contour = vectoriser->Contour(c);
size_t n = contour->PointCount();
if(n < 2)
{
continue;
}
glGetFloatv(GL_CURRENT_COLOR, colors);
ftglBegin(GL_QUADS);
ftglColor4f(colors[0]/2, colors[1]/2, colors[2]/2, colors[3]/2);
for(size_t j = 0; j < n; j++ )
{
size_t cur = j % n;
size_t next = (j + 1) % n;
FTPoint frontPt = contour->FrontPoint(cur);
FTPoint frontPt1 = contour->FrontPoint(next);
FTPoint backPt = contour->BackPoint(cur);
FTPoint backPt1 = contour->BackPoint(next);
FTPoint normal = FTPoint(0.f, 0.f, 1.f) ^ (frontPt - frontPt1);
if(normal != FTPoint(0.0f, 0.0f, 0.0f))
{
const FTGL_DOUBLE* pD = static_cast<const FTGL_DOUBLE*>(normal.Normalise());
glNormal3f( pD[0], pD[1], pD[2]);
}
ftglTexCoord2f(frontPt.Xf() / hscale, frontPt.Yf() / vscale);
if(contourFlag & ft_outline_reverse_fill)
{
ftglVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, 0.0f);
ftglVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, -depth);
ftglVertex3f(frontPt1.Xf() / 64.0f, frontPt1.Yf() / 64.0f, -depth);
ftglVertex3f(backPt1.Xf() / 64.0f, backPt1.Yf() / 64.0f, 0.0f);
}
else
{
ftglVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, -depth);
ftglVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, 0.0f);
ftglVertex3f(frontPt1.Xf() / 64.0f, frontPt1.Yf() / 64.0f, 0.f);
ftglVertex3f(backPt1.Xf() / 64.0f, backPt1.Yf() / 64.0f, -depth);
}
}
ftglEnd();
}
}
void testAddPoint()
{
FTGL_DOUBLE testPoint[3] = { 1, 2, 3 };
FTGL_DOUBLE* hole[] = { 0, 0, 0, 0 };
void *pHole = (void *)hole;
FTMesh mesh;
CPPUNIT_ASSERT(mesh.TesselationCount() == 0);
ftglBegin(GL_TRIANGLES, &mesh);
ftglVertex(&POINT_DATA[0], &mesh);
ftglVertex(&POINT_DATA[3], &mesh);
ftglVertex(&POINT_DATA[6], &mesh);
ftglVertex(&POINT_DATA[9], &mesh);
ftglEnd(&mesh);
CPPUNIT_ASSERT(mesh.TesselationCount() == 1);
CPPUNIT_ASSERT(mesh.Tesselation(0)->PolygonType() == GL_TRIANGLES);
CPPUNIT_ASSERT(mesh.Tesselation(0)->PointCount() == 4);
CPPUNIT_ASSERT(mesh.Error() == 0);
ftglBegin(GL_QUADS, &mesh);
ftglVertex(&POINT_DATA[12], &mesh);
ftglVertex(&POINT_DATA[15], &mesh);
ftglError(2, &mesh);
ftglVertex(&POINT_DATA[18], &mesh);
ftglCombine(testPoint, NULL, NULL, &pHole, &mesh);
ftglVertex(&POINT_DATA[21], &mesh);
ftglError(3, &mesh);
ftglEnd(&mesh);
CPPUNIT_ASSERT(mesh.TesselationCount() == 2);
CPPUNIT_ASSERT(mesh.Tesselation(0)->PointCount() == 4);
CPPUNIT_ASSERT(mesh.Tesselation(1)->PolygonType() == GL_QUADS);
CPPUNIT_ASSERT(mesh.Tesselation(1)->PointCount() == 4);
CPPUNIT_ASSERT(mesh.Error() == 3);
CPPUNIT_ASSERT(mesh.TesselationCount() == 2);
}
void testGetTesselation() {
FTMesh mesh;
CPPUNIT_ASSERT( mesh.Tesselation(0) == NULL);
ftglBegin( GL_TRIANGLES, &mesh);
ftglVertex( &POINT_DATA[0], &mesh);
ftglVertex( &POINT_DATA[3], &mesh);
ftglVertex( &POINT_DATA[6], &mesh);
ftglVertex( &POINT_DATA[9], &mesh);
ftglEnd( &mesh);
CPPUNIT_ASSERT( mesh.Tesselation(0));
CPPUNIT_ASSERT( mesh.Tesselation(10) == NULL);
}
void FTTextureFontImpl::PostRender()
{
preRendered = false;
ftglEnd();
if (disableBlend)
{
glDisable(GL_BLEND);
}
else
{
glBlendFunc(originalBlendSfactor, originalBlendDfactor);
}
if (disableTexture2D)
glDisable(GL_TEXTURE_2D);
}
void FTPolygonGlyphImpl::DoRender(const FTPoint& pen)
{
const FTMesh *mesh = vectoriser->GetMesh();
for (unsigned int t = 0; t < mesh->TesselationCount(); ++t)
{
const FTTesselation* subMesh = mesh->Tesselation(t);
unsigned int polygonType = subMesh->PolygonType();
ftglBindTexture(0);
ftglBegin(polygonType);
for(unsigned int i = 0; i < subMesh->PointCount(); ++i)
{
FTPoint point = subMesh->Point(i);
ftglColor4f(1.0f, 1.0f, 1.0f, 1.0f);
ftglTexCoord2f(point.Xf() / hscale, point.Yf() / vscale);
ftglVertex3f(pen.Xf() + point.Xf() / 64.0f, pen.Yf() + point.Yf() / 64.0f, 0.0f);
}
ftglEnd();
}
}
const FTPoint& FTTextureGlyphImpl::RenderImpl(const FTPoint& pen,
int renderMode)
{
float dx, dy;
GLfloat colors[4];
if(activeTextureID != glTextureID)
{
glBindTexture(GL_TEXTURE_2D, (GLuint)glTextureID);
activeTextureID = glTextureID;
}
dx = floor(pen.Xf() + corner.Xf());
dy = floor(pen.Yf() + corner.Yf());
glGetFloatv(GL_CURRENT_COLOR, colors);
ftglBegin(GL_QUADS);
//ftglColor4f(colors[0], colors[1], colors[2], colors[3]);
ftglTexCoord2f(uv[0].Xf(), uv[0].Yf());
ftglVertex2f(dx, dy);
ftglTexCoord2f(uv[0].Xf(), uv[1].Yf());
ftglVertex2f(dx, dy - destHeight);
ftglTexCoord2f(uv[1].Xf(), uv[1].Yf());
ftglVertex2f(dx + destWidth, dy - destHeight);
ftglTexCoord2f(uv[1].Xf(), uv[0].Yf());
ftglVertex2f(dx + destWidth, dy);
ftglEnd();
return advance;
}
