TestMap::TestMap()
{
MapCoord coord;
map = new Map();
MapColor* black = new MapColor();
black->setCmyk(MapColorCmyk(0.0f, 0.0f, 0.0f, 1.0f));
black->setOpacity(1.0f);
black->setName("black");
map->addColor(black, 0);
line_symbol = new LineSymbol();
line_symbol->setLineWidth(1);
line_symbol->setColor(black);
map->addSymbol(line_symbol, 0);
line_object = new PathObject(line_symbol);
line_object->addCoordinate(MapCoord(10, 10));
coord = MapCoord(20, 10);
coord.setCurveStart(true);
line_object->addCoordinate(coord);
line_object->addCoordinate(MapCoord(20, 20));
line_object->addCoordinate(MapCoord(30, 20));
line_object->addCoordinate(MapCoord(30, 10));
map->addObject(line_object);
// TODO: fill map with more content as needed
}
void DrawPathTool::createPreviewCurve(MapCoord position, float direction)
{
if (!path_has_preview_point)
{
int last = preview_path->getCoordinateCount() - 1;
(preview_path->getCoordinate(last)).setCurveStart(true);
preview_path->addCoordinate(MapCoord(0, 0));
preview_path->addCoordinate(MapCoord(0, 0));
if (draw_dash_points)
position.setDashPoint(true);
position.setCurveStart(false);
preview_path->addCoordinate(position);
path_has_preview_point = true;
}
// Adjust the preview curve
int last = preview_path->getCoordinateCount() - 1;
MapCoord previous_point = preview_path->getCoordinate(last - 3);
MapCoord last_point = preview_path->getCoordinate(last);
double bezier_handle_distance = BEZIER_HANDLE_DISTANCE * previous_point.distanceTo(last_point);
preview_path->setCoordinate(last - 2, MapCoord(previous_point.x() - bezier_handle_distance * sin(previous_point_direction),
previous_point.y() - bezier_handle_distance * cos(previous_point_direction)));
preview_path->setCoordinate(last - 1, MapCoord(last_point.x() + bezier_handle_distance * sin(direction),
last_point.y() + bezier_handle_distance * cos(direction)));
updatePreviewPath();
}