void
TaskPointRenderer::DrawTaskLine(const GeoPoint &start, const GeoPoint &end)
{
canvas.Select(LegActive() ? task_look.leg_active_pen :
task_look.leg_inactive_pen);
canvas.SetBackgroundTransparent();
map_canvas.DrawLine(start, end);
canvas.SetBackgroundOpaque();
// draw small arrow along task direction
BulkPixelPoint Arrow[3] = { {6,6}, {-6,6}, {0,0} };
const auto p_start = m_proj.GeoToScreen(start);
const auto p_end = m_proj.GeoToScreen(end);
const Angle ang = Angle::FromXY(p_start.y - p_end.y,
p_end.x - p_start.x).AsBearing();
const auto p_p = ScreenClosestPoint(p_start, p_end, m_proj.GetScreenOrigin(),
Layout::Scale(25));
PolygonRotateShift(Arrow, 2, p_p, ang);
Arrow[2] = Arrow[1];
Arrow[1] = p_p;
canvas.Select(LegActive() ? task_look.arrow_active_pen :
task_look.arrow_inactive_pen);
canvas.DrawPolyline(Arrow, 3);
}
void
RenderTaskPoint::DrawTaskLine(const GeoPoint &start, const GeoPoint &end)
{
canvas.Select(LegActive() ? task_look.leg_active_pen :
task_look.leg_inactive_pen);
canvas.SetBackgroundTransparent();
map_canvas.line(start, end);
canvas.SetBackgroundOpaque();
// draw small arrow along task direction
RasterPoint p_p;
RasterPoint Arrow[3] = { {6,6}, {-6,6}, {0,0} };
const RasterPoint p_start = m_proj.GeoToScreen(start);
const RasterPoint p_end = m_proj.GeoToScreen(end);
const Angle ang = Angle::Radians(atan2(fixed(p_end.x - p_start.x),
fixed(p_start.y - p_end.y))).AsBearing();
ScreenClosestPoint(p_start, p_end, m_proj.GetScreenOrigin(), &p_p, Layout::Scale(25));
PolygonRotateShift(Arrow, 2, p_p.x, p_p.y, ang);
Arrow[2] = Arrow[1];
Arrow[1] = p_p;
canvas.Select(task_look.arrow_pen);
canvas.DrawPolyline(Arrow, 3);
}
