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::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 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 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();
}
}
