void DrawPathTool::draw(QPainter* painter, MapWidget* widget)
{
drawPreviewObjects(painter, widget);
if (editingInProgress())
{
painter->setRenderHint(QPainter::Antialiasing);
if (dragging && (cur_pos - click_pos).manhattanLength() >= Settings::getInstance().getStartDragDistancePx())
{
QPen pen(qRgb(255, 255, 255));
pen.setWidth(3);
painter->setPen(pen);
painter->drawLine(widget->mapToViewport(click_pos_map), widget->mapToViewport(constrained_pos_map));
painter->setPen(active_color);
painter->drawLine(widget->mapToViewport(click_pos_map), widget->mapToViewport(constrained_pos_map));
}
if (previous_point_is_curve_point)
{
QPen pen(qRgb(255, 255, 255));
pen.setWidth(3);
painter->setPen(pen);
painter->drawLine(widget->mapToViewport(previous_pos_map), widget->mapToViewport(previous_drag_map));
painter->setPen(active_color);
painter->drawLine(widget->mapToViewport(previous_pos_map), widget->mapToViewport(previous_drag_map));
}
if (!shift_pressed)
angle_helper->draw(painter, widget);
}
if (shift_pressed && !dragging)
{
snap_helper->draw(painter, widget);
}
else if (!editingInProgress() && (picking_angle || picked_angle))
{
if (picking_angle)
snap_helper->draw(painter, widget);
angle_helper->draw(painter, widget);
}
}
void DrawCircleTool::draw(QPainter* painter, MapWidget* widget)
{
drawPreviewObjects(painter, widget);
}
void DrawRectangleTool::draw(QPainter* painter, MapWidget* widget)
{
drawPreviewObjects(painter, widget);
if (editingInProgress())
{
// Snap line
if (snapped_to_line)
{
// Simple hack to make line extend over the whole screen in most cases
const float scale_factor = 100;
MapCoord a = snapped_to_line_b + (snapped_to_line_a - snapped_to_line_b) * scale_factor;
MapCoord b = snapped_to_line_b - (snapped_to_line_a - snapped_to_line_b) * scale_factor;
painter->setPen(selection_color);
painter->drawLine(widget->mapToViewport(a), widget->mapToViewport(b));
}
// Helper cross
bool use_preview_radius = Settings::getInstance().getSettingCached(Settings::RectangleTool_PreviewLineWidth).toBool();
const double preview_radius_min_pixels = 2.5;
if (widget->getMapView()->lengthToPixel(preview_point_radius) < preview_radius_min_pixels)
use_preview_radius = false;
float helper_cross_radius = Settings::getInstance().getRectangleToolHelperCrossRadiusPx();
painter->setRenderHint(QPainter::Antialiasing);
auto perp_vector = forward_vector.perpRight();
painter->setPen((angles.size() > 1) ? inactive_color : active_color);
if (preview_point_radius == 0 || !use_preview_radius)
{
painter->drawLine(widget->mapToViewport(cur_pos_map) + helper_cross_radius * forward_vector,
widget->mapToViewport(cur_pos_map) - helper_cross_radius * forward_vector);
}
else
{
painter->drawLine(widget->mapToViewport(cur_pos_map + 0.001f * preview_point_radius * perp_vector) + helper_cross_radius * forward_vector,
widget->mapToViewport(cur_pos_map + 0.001f * preview_point_radius * perp_vector) - helper_cross_radius * forward_vector);
painter->drawLine(widget->mapToViewport(cur_pos_map - 0.001f * preview_point_radius * perp_vector) + helper_cross_radius * forward_vector,
widget->mapToViewport(cur_pos_map - 0.001f * preview_point_radius * perp_vector) - helper_cross_radius * forward_vector);
}
painter->setPen(active_color);
if (preview_point_radius == 0 || !use_preview_radius)
{
painter->drawLine(widget->mapToViewport(cur_pos_map) + helper_cross_radius * perp_vector,
widget->mapToViewport(cur_pos_map) - helper_cross_radius * perp_vector);
}
else
{
painter->drawLine(widget->mapToViewport(cur_pos_map + 0.001f * preview_point_radius * forward_vector) + helper_cross_radius * perp_vector,
widget->mapToViewport(cur_pos_map + 0.001f * preview_point_radius * forward_vector) - helper_cross_radius * perp_vector);
painter->drawLine(widget->mapToViewport(cur_pos_map - 0.001f * preview_point_radius * forward_vector) + helper_cross_radius * perp_vector,
widget->mapToViewport(cur_pos_map - 0.001f * preview_point_radius * forward_vector) - helper_cross_radius * perp_vector);
}
}
angle_helper->draw(painter, widget);
if (shift_pressed)
snap_helper->draw(painter, widget);
}
void DrawFreehandTool::draw(QPainter* painter, MapWidget* widget)
{
drawPreviewObjects(painter, widget);
}
