void SectionRenderer::Draw(Gdiplus::Graphics* g, MapViewport* viewport, const Component* component)
{
const Section* section = static_cast<const Section*>(component);
Vector2d last;
bool haslast = false;
const Properties& props = component->GetProperties();
Gdiplus::Pen pen(Gdiplus::Color(props.Get<prop::Color>(Gdiplus::Color::Black)),
props.Get<prop::LineWidth>(2));
pen.SetDashStyle((Gdiplus::DashStyle)props.Get<prop::DashStyle>(Gdiplus::DashStyle::DashStyleSolid));
pen.SetLineJoin(Gdiplus::LineJoin::LineJoinRound);
bool dispEnd = props.Get<prop::DisplaySectionEnd>(false);
Gdiplus::GraphicsPath path;
const Section::LocationList& locations = section->GetLocations();
for(const Location& location : locations)
{
Vector2d point = viewport->LocationToPixel(location);
if(haslast)
path.AddLine((float)last.GetX(), (float)last.GetY(), (float)point.GetX(), (float)point.GetY());
last = point;
haslast = true;
}
g->DrawPath(&pen, &path);
if(dispEnd)
{
Vector2d point = viewport->LocationToPixel(locations.front());
g->FillEllipse(pen.GetBrush(), point.GetX() - 3.f, point.GetY() - 3.f, 6.f, 6.f);
point.Set(viewport->LocationToPixel(locations.back()));
g->FillEllipse(pen.GetBrush(), point.GetX() - 3.f, point.GetY() - 3.f, 6.f, 6.f);
}
}
void LocationRenderer::Draw(Gdiplus::Graphics* g, MapViewport* viewport, const Component* component)
{
const Properties& prop = component->GetProperties();
Gdiplus::SolidBrush brush(prop.Get<prop::Color>(Gdiplus::Color::Red));
Vector2d p = viewport->LocationToPixel(*static_cast<const Location*>(component));
switch(prop.Get<prop::Shape>(Shape::FilledCircle))
{
case Shape::FilledCircle:
g->FillEllipse(&brush, (float)p.GetX() - 5, (float)p.GetY() - 5, 10.f, 10.f);
break;
case Shape::Circle:
Gdiplus::Pen pen(&brush, prop.Get<prop::LineWidth>(2));
g->DrawEllipse(&pen, (float)p.GetX() - 5, (float)p.GetY() - 5, 10.f, 10.f);
break;
}
}
double DistanceToSegment(const Vector2d& p, const Vector2d& a, const Vector2d& b, Vector2d* nearest)
{
if(p == a) { if(nearest != nullptr) nearest->Set(a); return 0; }
if(p == b) { if(nearest != nullptr) nearest->Set(b); return 0; }
Vector2d ab(b.GetX() - a.GetX(), b.GetY() - a.GetY());
Vector2d ap(p.GetX() - a.GetX(), p.GetY() - a.GetY());
double abap = ab.GetX()*ap.GetX() + ab.GetY()*ap.GetY();
if(abap < 0) { if(nearest != nullptr) nearest->Set(a); return p.GetDistance(a); }
double absq = SQ(ab.GetX()) + SQ(ab.GetY());
double ahsq = SQ(abap)/(SQ(ab.GetX()) + SQ(ab.GetY()));
if(ahsq > absq) { if(nearest != nullptr) nearest->Set(b); return p.GetDistance(b); }
if(nearest != nullptr)
{
double normab = a.GetDistance(b);
double ah = std::sqrt(ahsq);
nearest->Set({a.GetX() + ah*ab.GetX()/normab, a.GetY() + ah*ab.GetY()/normab});
}
return std::sqrt(SQ(ap.GetX()) + SQ(ap.GetY()) - ahsq);
}
void PRFilledPolygon::setPoints(Vector2dVector &points) {
CC_SAFE_FREE(areaTrianglePoints);
CC_SAFE_FREE(textureCoordinates);
Vector2dVector triangulatedPoints = PRRatcliffTriangulator::triangulateVertices(points);
areaTrianglePointCount = triangulatedPoints.size();
areaTrianglePoints = (CCPoint*) malloc(sizeof(CCPoint) * areaTrianglePointCount);
textureCoordinates = (CCPoint*) malloc(sizeof(CCPoint) * areaTrianglePointCount);
for (int i = 0; i < areaTrianglePointCount; i++) {
Vector2d v = (Vector2d)triangulatedPoints.at(i);
areaTrianglePoints[i] = CCPointMake(v.GetX(), v.GetY());
}
calculateTextureCoordinates();
}
void EasyPolygon::setPoints(Vector2dVector &points) {
if (points.size() <= 0) {
areaTrianglePointCount = 0;
return;
}
CC_SAFE_FREE(areaTrianglePoints);
CC_SAFE_FREE(textureCoordinates);
/*Vector2dVector triangulatedPoints = PRRatcliffTriangulator::triangulateVertices(points);
areaTrianglePointCount = (int)triangulatedPoints.size();
areaTrianglePoints = (Point*) malloc(sizeof(Point) * areaTrianglePointCount);
textureCoordinates = (Point*) malloc(sizeof(Point) * areaTrianglePointCount);
for (int i = 0; i < areaTrianglePointCount; i++) {
Vector2d v = (Vector2d)triangulatedPoints.at(i);
areaTrianglePoints[i] = Point(v.GetX(), v.GetY());
// printf("x = %f, y = %f\n", v.GetX, v.GetY);
}*/
areaTrianglePointCount = 6;
areaTrianglePoints = (Point*) malloc(sizeof(Point) * areaTrianglePointCount);
textureCoordinates = (Point*) malloc(sizeof(Point) * areaTrianglePointCount);
Vector2d v = points.at(0);
areaTrianglePoints[0] = Point(v.GetX(), v.GetY());
v = points.at(3);
areaTrianglePoints[1] = Point(v.GetX(), v.GetY());
v = points.at(2);
areaTrianglePoints[2] = Point(v.GetX(), v.GetY());
v = points.at(2);
areaTrianglePoints[3] = Point(v.GetX(), v.GetY());
v = points.at(1);
areaTrianglePoints[4] = Point(v.GetX(), v.GetY());
v = points.at(0);
areaTrianglePoints[5] = Point(v.GetX(), v.GetY());
calculateTextureCoordinates();
}
