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C++ PathObject::setCoordinate方法代码示例

本文整理汇总了C++中PathObject::setCoordinate方法的典型用法代码示例。如果您正苦于以下问题:C++ PathObject::setCoordinate方法的具体用法?C++ PathObject::setCoordinate怎么用?C++ PathObject::setCoordinate使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PathObject的用法示例。


在下文中一共展示了PathObject::setCoordinate方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: clickPress

void EditPointTool::clickPress()
{
	Q_ASSERT(!hover_state.testFlag(OverObjectNode) ||
	         !hover_state.testFlag(OverPathEdge) ||
	         hover_object);
	
	if (hover_state.testFlag(OverPathEdge) &&
	    active_modifiers & Qt::ControlModifier)
	{
		// Add new point to path
		PathObject* path = hover_object->asPath();
		
		float distance_sq;
		PathCoord path_coord;
		path->calcClosestPointOnPath(cur_pos_map, distance_sq, path_coord);
		
		float click_tolerance_map_sq = cur_map_widget->getMapView()->pixelToLength(clickTolerance());
		click_tolerance_map_sq = click_tolerance_map_sq * click_tolerance_map_sq;
		
		if (distance_sq <= click_tolerance_map_sq)
		{
			startEditing();
			QScopedValueRollback<bool> no_effect_rollback(no_more_effect_on_click);
			no_more_effect_on_click = true;
			startDragging();
			hover_state = OverObjectNode;
			hover_point = path->subdivide(path_coord);
			if (addDashPointDefault() ^ space_pressed)
			{
				MapCoord point = path->getCoordinate(hover_point);
				point.setDashPoint(true);
				path->setCoordinate(hover_point, point);
				map()->emitSelectionEdited();
			}
			startEditingSetup();
			updatePreviewObjects();
		}
	}
    else if (hover_state.testFlag(OverObjectNode) &&
	         hover_object->getType() == Object::Path)
	{
		PathObject* hover_object = this->hover_object->asPath();
		Q_ASSERT(hover_point < hover_object->getCoordinateCount());
		
		if (space_pressed &&
		    !hover_object->isCurveHandle(hover_point))
		{
			// Switch point between dash / normal point
			createReplaceUndoStep(hover_object);
			
			MapCoord& hover_coord = hover_object->getCoordinate(hover_point);
			hover_coord.setDashPoint(!hover_coord.isDashPoint());
			hover_object->update();
			updateDirtyRect();
			no_more_effect_on_click = true;
		}
		else if (active_modifiers & Qt::ControlModifier)
		{
			auto hover_point_part_index = hover_object->findPartIndexForIndex(hover_point);
			PathPart& hover_point_part = hover_object->parts()[hover_point_part_index];
			
			if (hover_object->isCurveHandle(hover_point))
			{
				// Convert the curve into a straight line
				createReplaceUndoStep(hover_object);
				hover_object->deleteCoordinate(hover_point, false);
				hover_object->update();
				map()->emitSelectionEdited();
				updateHoverState(cur_pos_map);
				updateDirtyRect();
				no_more_effect_on_click = true;
			}
			else
			{
				// Delete the point
				if (hover_point_part.countRegularNodes() <= 2 ||
				    ( !(hover_object->getSymbol()->getContainedTypes() & Symbol::Line) &&
				      hover_point_part.size() <= 3 ) )
				{
					// Not enough remaining points -> delete the part and maybe object
					if (hover_object->parts().size() == 1)
					{
						map()->removeObjectFromSelection(hover_object, false);
						auto undo_step = new AddObjectsUndoStep(map());
						auto part = map()->getCurrentPart();
						int index = part->findObjectIndex(hover_object);
						Q_ASSERT(index >= 0);
						undo_step->addObject(index, hover_object);
						map()->deleteObject(hover_object, true);
						map()->push(undo_step);
						map()->setObjectsDirty();
						map()->emitSelectionEdited();
						updateHoverState(cur_pos_map);
					}
					else
					{
						createReplaceUndoStep(hover_object);
						hover_object->deletePart(hover_point_part_index);
						hover_object->update();
						map()->emitSelectionEdited();
//.........这里部分代码省略.........
开发者ID:sembruk,项目名称:mapper,代码行数:101,代码来源:tool_edit_point.cpp


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