void TextSymbol::createBaselineRenderables(
const TextObject* text_object,
const VirtualCoordVector& coords,
ObjectRenderables& output) const
{
const MapColor* dominant_color = guessDominantColor();
if (dominant_color && text_object->getNumLines() > 0)
{
// Insert text boundary
LineSymbol line_symbol;
line_symbol.setColor(dominant_color);
line_symbol.setLineWidth(0);
const TextObjectLineInfo* line = text_object->getLineInfo(0);
QRectF text_bbox(line->line_x, line->line_y - line->ascent, line->width, line->ascent + line->descent);
for (int i = 1; i < text_object->getNumLines(); ++i)
{
const TextObjectLineInfo* line = text_object->getLineInfo(i);
rectInclude(text_bbox, QRectF(line->line_x, line->line_y - line->ascent, line->width, line->ascent + line->descent));
}
Q_UNUSED(coords); // coords should be used for calcTextToMapTransform()
QTransform text_to_map = text_object->calcTextToMapTransform();
PathObject path;
path.addCoordinate(MapCoord(text_to_map.map(text_bbox.topLeft())));
path.addCoordinate(MapCoord(text_to_map.map(text_bbox.topRight())));
path.addCoordinate(MapCoord(text_to_map.map(text_bbox.bottomRight())));
path.addCoordinate(MapCoord(text_to_map.map(text_bbox.bottomLeft())));
path.parts().front().setClosed(true, true);
path.updatePathCoords();
LineRenderable* line_renderable = new LineRenderable(&line_symbol, path.parts().front(), false);
output.insertRenderable(line_renderable);
}
}
bool DrawPathTool::removeLastPointFromSelectedPath()
{
if (editingInProgress() || map()->getNumSelectedObjects() != 1)
{
return false;
}
Object* object = map()->getFirstSelectedObject();
if (object->getType() != Object::Path)
{
return false;
}
PathObject* path = object->asPath();
if (path->parts().size() != 1)
{
return false;
}
int points_on_path = 0;
int num_coords = path->getCoordinateCount();
for (int i = 0; i < num_coords && points_on_path < 3; ++i)
{
++points_on_path;
if (path->getCoordinate(i).isCurveStart())
{
i += 2; // Skip the control points.
}
}
if (points_on_path < 3)
{
// Too few points after deleting the last: delete the whole object.
map()->deleteSelectedObjects();
return true;
}
ReplaceObjectsUndoStep* undo_step = new ReplaceObjectsUndoStep(map());
Object* undo_duplicate = object->duplicate();
undo_duplicate->setMap(map());
undo_step->addObject(object, undo_duplicate);
map()->push(undo_step);
updateDirtyRect();
path->parts().front().setClosed(false);
path->deleteCoordinate(num_coords - 1, false);
path->update();
map()->setObjectsDirty();
map()->emitSelectionEdited();
return true;
}
void CutTool::pathFinished(PathObject* split_path)
{
Map* map = this->map();
// Get path endpoint and check if it is on the area boundary
const MapCoordVector& path_coords = split_path->getRawCoordinateVector();
MapCoord path_end = path_coords.at(path_coords.size() - 1);
PathObject* edited_path = reinterpret_cast<PathObject*>(edit_object);
PathCoord end_path_coord;
float distance_sq;
edited_path->calcClosestPointOnPath(MapCoordF(path_end), distance_sq, end_path_coord);
float click_tolerance_map = 0.001 * edit_widget->getMapView()->pixelToLength(clickTolerance());
if (distance_sq > click_tolerance_map*click_tolerance_map)
{
QMessageBox::warning(window(), tr("Error"), tr("The split line must end on the area boundary!"));
pathAborted();
return;
}
else if (drag_part_index != edited_path->findPartIndexForIndex(end_path_coord.index))
{
QMessageBox::warning(window(), tr("Error"), tr("Start and end of the split line are at different parts of the object!"));
pathAborted();
return;
}
else if (drag_start_len == end_path_coord.clen)
{
QMessageBox::warning(window(), tr("Error"), tr("Start and end of the split line are at the same position!"));
pathAborted();
return;
}
Q_ASSERT(split_path->parts().size() == 1);
split_path->parts().front().setClosed(false);
split_path->setCoordinate(split_path->getCoordinateCount() - 1, MapCoord(end_path_coord.pos));
// Do the splitting
const double split_threshold = 0.01;
MapPart* part = map->getCurrentPart();
AddObjectsUndoStep* add_step = new AddObjectsUndoStep(map);
add_step->addObject(part->findObjectIndex(edited_path), edited_path);
map->removeObjectFromSelection(edited_path, false);
map->deleteObject(edited_path, true);
map->setObjectsDirty();
DeleteObjectsUndoStep* delete_step = new DeleteObjectsUndoStep(map);
PathObject* holes = nullptr; // if the edited path contains holes, they are saved in this temporary object
if (edited_path->parts().size() > 1)
{
holes = edited_path->duplicate()->asPath();
holes->deletePart(0);
}
bool ok; Q_UNUSED(ok); // "ok" is only used in Q_ASSERT.
PathObject* parts[2] = { new PathObject { edited_path->parts().front() }, nullptr };
const PathPart& drag_part = edited_path->parts()[drag_part_index];
if (drag_part.isClosed())
{
parts[1] = new PathObject { *parts[0] };
parts[0]->changePathBounds(drag_part_index, drag_start_len, end_path_coord.clen);
ok = parts[0]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
parts[1]->changePathBounds(drag_part_index, end_path_coord.clen, drag_start_len);
ok = parts[1]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
}
else
{
float min_cut_pos = qMin(drag_start_len, end_path_coord.clen);
float max_cut_pos = qMax(drag_start_len, end_path_coord.clen);
float path_len = drag_part.path_coords.back().clen;
if (min_cut_pos <= 0 && max_cut_pos >= path_len)
{
ok = parts[0]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
parts[1] = new PathObject { *split_path };
parts[1]->setSymbol(edited_path->getSymbol(), false);
}
else if (min_cut_pos <= 0 || max_cut_pos >= path_len)
{
float cut_pos = (min_cut_pos <= 0) ? max_cut_pos : min_cut_pos;
parts[1] = new PathObject { *parts[0] };
parts[0]->changePathBounds(drag_part_index, 0, cut_pos);
ok = parts[0]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
parts[1]->changePathBounds(drag_part_index, cut_pos, path_len);
ok = parts[1]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
}
else
{
parts[1] = new PathObject { *parts[0] };
PathObject* temp_path = new PathObject { *parts[0] };
parts[0]->changePathBounds(drag_part_index, min_cut_pos, max_cut_pos);
ok = parts[0]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
parts[1]->changePathBounds(drag_part_index, 0, min_cut_pos);
ok = parts[1]->connectIfClose(split_path, split_threshold);
Q_ASSERT(ok);
temp_path->changePathBounds(drag_part_index, max_cut_pos, path_len);
ok = parts[1]->connectIfClose(temp_path, split_threshold);
Q_ASSERT(ok);
delete temp_path;
}
}
// If the object had holes, check into which parts they go
if (holes)
{
for (const auto& hole : holes->parts())
{
PathPartVector::size_type part_index = (parts[0]->isPointOnPath(MapCoordF(holes->getCoordinate(hole.first_index)), 0, false, false) != Symbol::NoSymbol) ? 0 : 1;
parts[part_index]->getCoordinate(parts[part_index]->getCoordinateCount() - 1).setHolePoint(true);
parts[part_index]->appendPathPart(hole);
}
}
for (auto& object : parts)
{
map->addObject(object);
delete_step->addObject(part->findObjectIndex(object));
map->addObjectToSelection(object, false);
}
CombinedUndoStep* undo_step = new CombinedUndoStep(map);
undo_step->push(add_step);
undo_step->push(delete_step);
map->push(undo_step);
map->setObjectsDirty();
pathAborted();
}