void WayPointShape::draw( wxDC& dc)
{
// The minimum size of the RectangleShape is the size of the title
titleSize = dc.GetTextExtent( WXSTRING( title));
if (size.x < (titleSize.x + 2 * spacing + 2 * borderWidth))
{
size.x = titleSize.x + 2 * spacing + 2 * borderWidth;
}
if (size.y < (titleSize.y + 2 * spacing + 2 * borderWidth))
{
size.y = titleSize.y + 2 * spacing + 2 * borderWidth;
}
if (getWayPoint()->getSize() != size)
{
getWayPoint()->setSize( size, false);
}
// Draws a rectangle with the given top left corner, and with the given size.
dc.SetBrush( *wxWHITE_BRUSH);
if (isSelected())
{
dc.SetPen( wxPen( WXSTRING( getSelectionColour()), borderWidth, wxSOLID));
} else
{
dc.SetPen( wxPen( WXSTRING( getNormalColour()), borderWidth, wxSOLID));
}
int x = centre.x - (size.x / 2);
int y = centre.y - (size.y / 2);
dc.DrawRectangle( x, y, size.x, size.y);
dc.SetPen( wxPen( WXSTRING( "BLACK"), borderWidth, wxSOLID));
dc.DrawText( WXSTRING( title), centre.x - titleSize.x / 2, y + spacing + borderWidth);
}
void LineShape::draw(wxDC& dc)
{
if (isSelected()) {
dc.SetPen(wxPen(WXSTRING("RED"), lineWidth, wxSOLID));
} else {
dc.SetPen(wxPen(WXSTRING("BLACK"), lineWidth, wxSOLID));
}
dc.DrawLine(node1->getCentre().x, node1->getCentre().y, node2->getCentre().x,
node2->getCentre().y);
if (arrowHeadSize > 0) {
drawHead(dc);
}
if (title == "" && node1->getTitle() != "" && node2->getTitle() != "") {
title = node1->getTitle() + " to " + node2->getTitle();
}
Size textSize = dc.GetTextExtent(WXSTRING(title));
Point textPoint = getBegin();
// double angle = getAngle();
double angle = Shape2DUtils::getAngle(node1->getCentre(), node2->getCentre());
double dX = (getLength() / 2 - textSize.x / 2) * sin(angle);
double dY = (getLength() / 2 - textSize.x / 2) * cos(angle);
textPoint.x += dX;
textPoint.y -= dY;
double degreeAngle = angle * (180.0 / PI);
double rotationAngle = 90 - degreeAngle;
dc.DrawRotatedText(WXSTRING(title), textPoint, rotationAngle);
}
std::string GetTextFromUser( const std::string& aTitleBarMessage,
const std::string& aMessage,
const std::string& aDefaultValue /* = "" */,
Window* aParent /* = NULL */,
bool UNUSEDPARAM(centre) /* = false */,
const Point& aPoint /* = DefaultPosition */)
{
std::string text( STDSTRING( wxGetTextFromUser( WXSTRING( aTitleBarMessage), WXSTRING( aMessage), WXSTRING( aDefaultValue), aParent, aPoint.x, aPoint.y)));
return text;
}
void LineShape::drawHead(wxDC& dc)
{
int arrowHeadSize = 10;
// First we draw a triangle at (0.0)
// Second we rotate the triangle with the angle the line makes with the
// Y-axis around it's centre
// Than we move the centre of the triangle to the end of the line, but
// outside the node
top = Point(0, -arrowHeadSize);
right = Point(arrowHeadSize * std::sin(PI / 3), arrowHeadSize * std::cos(PI / 3));
left = Point(-arrowHeadSize * std::sin(PI / 3), arrowHeadSize * std::cos(PI / 3));
// double angle = getAngle();
double angle = Shape2DUtils::getAngle(node1->getCentre(), node2->getCentre()) + 0.5 * PI;
top = Shape2DUtils::rotate(top, angle);
right = Shape2DUtils::rotate(right, angle);
left = Shape2DUtils::rotate(left, angle);
double shortenLine = 0.0;
double dxRect = node2->getSize().x / 2;
double dyRect = node2->getSize().y / 2;
double boundaryAngle = std::atan(dxRect / dyRect);
if (0.0 < angle && angle <= PI / 2) {
if (angle < boundaryAngle) {
shortenLine = dyRect / std::cos(angle);
} else {
shortenLine = dxRect / std::cos(PI / 2 - angle);
}
} else if (PI / 2 < angle && angle <= 2 * PI / 2) {
if (angle < PI - boundaryAngle) {
shortenLine = dxRect / std::cos(angle - PI / 2);
} else {
shortenLine = dyRect / std::cos(PI - angle);
}
} else if (2 * PI / 2 < angle && angle <= 3 * PI / 2) {
if (angle < boundaryAngle + PI) {
shortenLine = dyRect / std::cos(angle - PI);
} else {
shortenLine = dxRect / std::cos(3 * PI / 2 - angle);
}
} else if (3 * PI / 2 < angle && angle <= 4 * PI / 2) {
if (angle < 2 * PI - boundaryAngle) {
shortenLine = dxRect / std::cos(angle - PI / 2);
} else {
shortenLine = dyRect / std::cos(PI / 2 - angle);
}
} else {
if (angle < 2 * PI - boundaryAngle) {
shortenLine = dxRect / std::cos(angle - 3 * PI / 2);
} else {
shortenLine = dyRect / std::cos(2 * PI - angle);
}
}
shortenLine += arrowHeadSize;
double dX = (getLength() - shortenLine) * sin(angle);
double dY = (getLength() - shortenLine) * cos(angle);
Point triangleCentre(getBegin().x + dX, getBegin().y - dY);
top += triangleCentre;
right += triangleCentre;
left += triangleCentre;
Point triangle[] = {top, right, left};
if (isSelected()) {
dc.SetPen(wxPen(WXSTRING("RED"), lineWidth, wxSOLID));
dc.SetBrush(wxBrush(wxColour(WXSTRING("RED"))));
} else {
dc.SetPen(wxPen(WXSTRING("BLACK"), lineWidth, wxSOLID));
dc.SetBrush(wxBrush(wxColour(WXSTRING("BLACK"))));
}
dc.DrawPolygon(3, triangle);
// For debugging purposes
dc.SetPen(wxPen(WXSTRING("ORANGE"), 2, wxSOLID));
dc.SetBrush(wxBrush(wxColour(WXSTRING("ORANGE"))));
dc.DrawCircle(top, 2);
dc.SetPen(wxPen(WXSTRING("GREEN"), 2, wxSOLID)); // stuuRRRRRRboord RRRRRRechts gRRRRRRoen
dc.SetBrush(wxBrush(wxColour(WXSTRING("GREEN"))));
dc.DrawCircle(right, 2);
dc.SetPen(wxPen(WXSTRING("RED"), 2, wxSOLID));
dc.SetBrush(wxBrush(wxColour(WXSTRING("RED"))));
dc.DrawCircle(left, 2);
}