Files
newspark110/lib/engine/rs_block.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

203 lines
5.0 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include<iostream>
#include "rs_block.h"
#include "rs_graphic.h"
#include "rs_insert.h"
RS_BlockData::RS_BlockData(const QString& _name,
const RS_Vector& _basePoint,
bool _frozen):
name(_name)
,basePoint(_basePoint)
,frozen(_frozen)
{
}
bool RS_BlockData::isValid() const{
return (!name.isEmpty() && basePoint.valid);
}
/**
* @param parent The graphic this block belongs to.
* @param name The name of the block used as an identifier.
* @param basePoint Base point (offset) of the block.
*/
RS_Block::RS_Block(RS_EntityContainer* parent,
const RS_BlockData& d)
: RS_Document(parent), data(d) {
pen = RS_Pen(RS_Color(128,128,128), RS2::Width01, RS2::SolidLine);
}
RS_Entity* RS_Block::clone() const {
RS_Block* blk = new RS_Block(*this);
blk->setOwner(isOwner());
blk->detach();
blk->initId();
return blk;
}
RS_LayerList* RS_Block::getLayerList() {
RS_Graphic* g = getGraphic();
if (g) {
return g->getLayerList();
} else {
return NULL;
}
}
RS_BlockList* RS_Block::getBlockList() {
RS_Graphic* g = getGraphic();
if (g) {
return g->getBlockList();
} else {
return NULL;
}
}
bool RS_Block::save(bool isAutoSave) {
RS_Graphic* g = getGraphic();
if (g) {
return g->save(isAutoSave);
} else {
return false;
}
}
bool RS_Block::saveAs(const QString& filename, RS2::FormatType type, bool force) {
RS_Graphic* g = getGraphic();
if (g) {
return g->saveAs(filename, type, force);
} else {
return false;
}
}
/**
* Sets the parent documents modified status to 'm'.
*/
void RS_Block::setModified(bool m) {
RS_Graphic* p = getGraphic();
if (p) {
p->setModified(m);
}
modified = m;
}
/**
* Sets the visibility of the Block in block list
*
* @param v true: visible, false: invisible
*/
void RS_Block::visibleInBlockList(bool v) {
data.visibleInBlockList = v;
}
/**
* Returns the visibility of the Block in block list
*/
bool RS_Block::isVisibleInBlockList() const {
return data.visibleInBlockList;
}
/**
* Sets selection state of the block in block list
*
* @param v true: selected, false: deselected
*/
void RS_Block::selectedInBlockList(bool v) {
data.selectedInBlockList = v;
}
/**
* Returns selection state of the block in block list
*/
bool RS_Block::isSelectedInBlockList() const {
return data.selectedInBlockList;
}
/**
* Block may contain inserts of other blocks.
* Find name of the nested block that contain the insert
* of specified block.
*
* @param bName name of the block the nested insert references to
*
* @return block name chain to the block that contain searched insert
*/
QStringList RS_Block::findNestedInsert(const QString& bName) {
QStringList bnChain;
for (RS_Entity* e: entities) {
if (e->rtti()==RS2::EntityInsert) {
RS_Insert* i = ((RS_Insert*)e);
QString iName = i->getName();
if (iName == bName) {
bnChain << data.name;
break;
} else {
RS_BlockList* bList = getBlockList();
if (bList) {
RS_Block* nestedBlock = bList->find(iName);
if (nestedBlock) {
QStringList nestedChain;
nestedChain = nestedBlock->findNestedInsert(bName);
if (!nestedChain.empty()) {
bnChain << data.name;
bnChain << nestedChain;
break;
}
}
}
}
}
}
return bnChain;
}
std::ostream& operator << (std::ostream& os, const RS_Block& b) {
os << " name: " << b.getName().toLatin1().data() << "\n";
os << " entities: " << (RS_EntityContainer&)b << "\n";
return os;
}