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

1048 lines
28 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.
** Copyright (C) 2016 ravas (github.com/r-a-v-a-s)
**
** 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 <cmath>
#include <QDir>
//#include <QDebug>
#include "rs_graphic.h"
#include "rs_dialogfactory.h"
#include "rs_debug.h"
#include "rs_fileio.h"
#include "rs_math.h"
#include "rs_units.h"
#include "rs_settings.h"
#include "rs_layer.h"
#include "rs_block.h"
/**
* Default constructor.
*/
RS_Graphic::RS_Graphic(RS_EntityContainer* parent)
: RS_Document(parent),
layerList(),
blockList(true),
paperScaleFixed(false),
marginLeft(0.0),
marginTop(0.0),
marginRight(0.0),
marginBottom(0.0),
pagesNumH(1),
pagesNumV(1)
{
RS_SETTINGS->beginGroup("/Defaults");
setUnit(RS_Units::stringToUnit(RS_SETTINGS->readEntry("/Unit", "None")));
RS_SETTINGS->endGroup();
RS_SETTINGS->beginGroup("/Appearance");
//$ISOMETRICGRID == $SNAPSTYLE
addVariable("$SNAPSTYLE",static_cast<int>(RS_SETTINGS->readNumEntry("/IsometricGrid", 0)),70);
crosshairType=static_cast<RS2::CrosshairType>(RS_SETTINGS->readNumEntry("/CrosshairType",0));
RS_SETTINGS->endGroup();
RS2::Unit unit = getUnit();
if (unit==RS2::Inch) {
addVariable("$DIMASZ", 0.1, 40);
addVariable("$DIMEXE", 0.05, 40);
addVariable("$DIMEXO", 0.025, 40);
addVariable("$DIMGAP", 0.025, 40);
addVariable("$DIMTXT", 0.1, 40);
} else {
addVariable("$DIMASZ",
RS_Units::convert(2.5, RS2::Millimeter, unit), 40);
addVariable("$DIMEXE",
RS_Units::convert(1.25, RS2::Millimeter, unit), 40);
addVariable("$DIMEXO",
RS_Units::convert(0.625, RS2::Millimeter, unit), 40);
addVariable("$DIMGAP",
RS_Units::convert(0.625, RS2::Millimeter, unit), 40);
addVariable("$DIMTXT",
RS_Units::convert(2.5, RS2::Millimeter, unit), 40);
}
addVariable("$DIMTIH", 0, 70);
//initialize printer vars bug #3602444
setPaperScale(getPaperScale());
setPaperInsertionBase(getPaperInsertionBase());
setModified(false);
}
/**
* Destructor.
*/
RS_Graphic::~RS_Graphic() = default;
/**
* Counts the entities on the given layer.
*/
unsigned long int RS_Graphic::countLayerEntities(RS_Layer* layer) {
int c=0;
if (layer) {
for(auto t: entities){
if (t->getLayer() &&
t->getLayer()->getName()==layer->getName()) {
c+=t->countDeep();
}
}
}
return c;
}
/**
* Removes the given layer and undoes all entities on it.
*/
void RS_Graphic::removeLayer(RS_Layer* layer) {
if (layer && layer->getName()!="0") {
std::vector<RS_Entity*> toRemove;
//find entities on layer
for(auto e: entities){
if (e->getLayer() &&
e->getLayer()->getName()==layer->getName()) {
toRemove.push_back(e);
}
}
// remove all entities on that layer:
if(toRemove.size()){
startUndoCycle();
for(auto e: toRemove){
e->setUndoState(true);
e->setLayer("0");
addUndoable(e);
}
endUndoCycle();
}
toRemove.clear();
// remove all entities in blocks that are on that layer:
for(RS_Block* blk: blockList){
if(!blk) continue;
for(auto e: *blk){
if (e->getLayer() &&
e->getLayer()->getName()==layer->getName()) {
toRemove.push_back(e);
}
}
}
for(auto e: toRemove){
e->setUndoState(true);
e->setLayer("0");
}
layerList.remove(layer);
}
}
/**
* Clears all layers, blocks and entities of this graphic.
* A default layer (0) is created.
*/
void RS_Graphic::newDoc() {
RS_DEBUG->print("RS_Graphic::newDoc");
clear();
clearLayers();
clearBlocks();
addLayer(new RS_Layer("0"));
//addLayer(new RS_Layer("ByBlock"));
setModified(false);
}
/*
* Description: Create/update the drawing backup file, if necessary.
* Author(s): Claude Sylvain
* Created: 13 July 2011
* Last modified:
*
* Parameters: const QString &filename:
* Name of the drawing file to backup.
*
* Returns: bool:
* false : Operation failed.
* true : Operation successful.
*/
bool RS_Graphic::BackupDrawingFile(const QString &filename)
{
static const char *msg_err =
"RS_Graphic::BackupDrawingFile: Can't create object!";
bool ret = false; /* Operation failed, by default. */
/* - Create backup only if drawing file name exist.
* - Remark: Not really necessary to check if the drawing file
* name have been defined.
* ----------------------------------------------------------- */
if (filename.length() > 0)
{
/* Built Backup File Name.
* */
QString *qs_backup_fn = new QString(filename + '~');
/* Create "Drawing File" object.
* */
QFile *qf_df = new QFile(filename);
/* If able to create the objects, process...
* ----------------------------------------- */
if ((qs_backup_fn != NULL) && (qf_df != NULL))
{
/* Create backup file only if drawing file already exist.
* ------------------------------------------------------ */
if (qf_df->exists() == true)
{
/* Create "Drawing File Backup" object.
* */
QFile *qf_dfb = new QFile(*qs_backup_fn);
/* If able to create the object, process...
* ---------------------------------------- */
if (qf_dfb != NULL)
{
/* If a backup file already exist, remove it!
* ------------------------------------------ */
if (qf_dfb->exists() == true)
qf_dfb->remove();
qf_df->copy(*qs_backup_fn); /* Create backup file. */
ret = true; /* Operation successful. */
delete qf_dfb;
}
/* Can't create object.
* -------------------- */
else
{
RS_DEBUG->print("%s", msg_err);
}
}
}
/* Can't create object(s).
* ----------------------- */
else
{
RS_DEBUG->print("%s", msg_err);
}
delete qs_backup_fn;
delete qf_df;
}
return ret;
}
/*
* Description: Saves this graphic with the current filename and settings.
* Author(s): ..., Claude Sylvain
* Last modified: 13 July 2011
* Parameters:
*
* Returns: bool:
* false: Operation failed.
* true: Operation successful.
*
* Notes: - If this is not an AutoSave, backup the drawing file
* (if necessary).
* - Drawing is saved only when it has been modified.
* This prevent lost of backup file when file
* is saved more than one time without being modified.
*/
bool RS_Graphic::save(bool isAutoSave)
{
bool ret = false;
RS_DEBUG->print("RS_Graphic::save: Entering...");
/* - Save drawing file only if it has been modified.
* - Notes: Potentially dangerous in case of an internal
* coding error that make LibreCAD not aware of modification
* when some kind of drawing modification is done.
* ----------------------------------------------------------- */
if (isModified())
{
QString actualName;
RS2::FormatType actualType;
actualType = formatType;
if (isAutoSave)
{
actualName = autosaveFilename;
if (formatType == RS2::FormatUnknown)
actualType = RS2::FormatDXFRW;
} else {
// - This is not an AutoSave operation. This is a manual
// save operation. So, ...
// - Set working file name to the drawing file name.
// - Backup drawing file (if necessary).
// ------------------------------------------------------
QFileInfo finfo(filename);
QDateTime m=finfo.lastModified();
//bug#3414993
//modifiedTime should only be used for the same filename
// DEBUG_HEADER
// qDebug()<<"currentFileName= "<<currentFileName;
// qDebug()<<"Checking file: filename= "<<filename;
// qDebug()<<"Checking file: "<<filename;
// qDebug()<<"modifiedTime.isValid()="<<modifiedTime.isValid();
// qDebug()<<"Previous timestamp: "<<modifiedTime;
// qDebug()<<"Current timestamp: "<<m;
if ( currentFileName == QString(filename)
&& modifiedTime.isValid() && m != modifiedTime ) {
//file modified by others
// qDebug()<<"detected on disk change";
RS_DIALOGFACTORY->commandMessage(QObject::tr("File on disk modified. Please save to another file to avoid data loss! File modified: %1").arg(filename));
return false;
}
actualName = filename;
if (RS_SETTINGS->readNumEntry("/AutoBackupDocument", 1)!=0)
BackupDrawingFile(filename);
}
/* Save drawing file if able to created associated object.
* ------------------------------------------------------- */
if (!actualName.isEmpty())
{
RS_DEBUG->print("RS_Graphic::save: File: %s", actualName.toLatin1().data());
RS_DEBUG->print("RS_Graphic::save: Format: %d", (int) actualType);
RS_DEBUG->print("RS_Graphic::save: Export...");
ret = RS_FileIO::instance()->fileExport(*this, actualName, actualType);
QFileInfo finfo(actualName);
modifiedTime=finfo.lastModified();
currentFileName=actualName;
} else {
RS_DEBUG->print("RS_Graphic::save: Can't create object!");
RS_DEBUG->print("RS_Graphic::save: File not saved!");
}
/* Remove AutoSave file after user has successfully saved file.
* ------------------------------------------------------------ */
if (ret && !isAutoSave)
{
/* Autosave file object.
* */
QFile qf_file(autosaveFilename);
/* Tell that drawing file is no more modified.
* ------------------------------------------- */
setModified(false);
layerList.setModified(false);
blockList.setModified(false);
/* - Remove autosave file, if able to create associated object,
* and if autosave file exist.
* ------------------------------------------------------------ */
if (qf_file.exists())
{
RS_DEBUG->print( "RS_Graphic::save: Removing old autosave file %s",
autosaveFilename.toLatin1().data());
qf_file.remove();
}
}
RS_DEBUG->print("RS_Graphic::save: Done!");
} else {
RS_DEBUG->print("RS_Graphic::save: File not modified, not saved");
ret = true;
}
RS_DEBUG->print("RS_Graphic::save: Exiting...");
return ret;
}
/*
* Description: - Saves this graphic with the given filename and current
* settings.
*
* Author(s): ..., Claude Sylvain
* Created: ?
* Last modified: 13 July 2011
* Parameters: QString: name to save
* RS2::FormatType: format to save
* bool:
* false: do not save if not needed
* true: force to save (when called for save as...
*
* Returns: bool:
* false: Operation failed.
* true: Operation successful.
*
* Notes: Backup the drawing file (if necessary).
*/
bool RS_Graphic::saveAs(const QString &filename, RS2::FormatType type, bool force)
{
RS_DEBUG->print("RS_Graphic::saveAs: Entering...");
// Set to "failed" by default.
bool ret = false;
// Check/memorize if file name we want to use as new file
// name is the same as the actual file name.
bool fn_is_same = filename == this->filename;
auto const filenameSaved=this->filename;
auto const autosaveFilenameSaved=this->autosaveFilename;
auto const formatTypeSaved=this->formatType;
this->filename = filename;
this->formatType = type;
// QString const oldAutosaveName = this->autosaveFilename;
QFileInfo finfo(filename);
// Construct new autosave filename by prepending # to the filename
// part, using the same directory as the destination file.
this->autosaveFilename = finfo.path() + "/#" + finfo.fileName();
// When drawing is saved using a different name than the actual
// drawing file name, make LibreCAD think that drawing file
// has been modified, to make sure the drawing file saved.
if (!fn_is_same || force)
setModified(true);
ret = save(); // Save file.
if (ret) {
// Save was successful, remove old autosave file.
QFile qf_file(autosaveFilenameSaved);
if (qf_file.exists()) {
RS_DEBUG->print("RS_Graphic::saveAs: Removing old autosave file %s",
autosaveFilenameSaved.toLatin1().data());
qf_file.remove();
}
}else{
//do not modify filenames:
this->filename=filenameSaved;
this->autosaveFilename=autosaveFilenameSaved;
this->formatType=formatTypeSaved;
}
return ret;
}
/**
* Loads the given file into this graphic.
*/
bool RS_Graphic::loadTemplate(const QString &filename, RS2::FormatType type) {
RS_DEBUG->print("RS_Graphic::loadTemplate(%s)", filename.toLatin1().data());
bool ret = false;
// Construct new autosave filename by prepending # to the filename part,
// using system temporary dir.
this->autosaveFilename = QDir::tempPath () + "/#" + "Unnamed.dxf";
// clean all:
newDoc();
// import template file:
ret = RS_FileIO::instance()->fileImport(*this, filename, type);
setModified(false);
layerList.setModified(false);
blockList.setModified(false);
QFileInfo finfo;
modifiedTime = finfo.lastModified();
RS_DEBUG->print("RS_Graphic::loadTemplate(%s): OK", filename.toLatin1().data());
return ret;
}
/**
* Loads the given file into this graphic.
*/
bool RS_Graphic::open(const QString &filename, RS2::FormatType type) {
RS_DEBUG->print("RS_Graphic::open(%s)", filename.toLatin1().data());
bool ret = false;
this->filename = filename;
QFileInfo finfo(filename);
// Construct new autosave filename by prepending # to the filename
// part, using the same directory as the destination file.
this->autosaveFilename = finfo.path() + "/#" + finfo.fileName();
// clean all:
newDoc();
// import file:
ret = RS_FileIO::instance()->fileImport(*this, filename, type);
if( ret) {
setModified(false);
layerList.setModified(false);
blockList.setModified(false);
modifiedTime = finfo.lastModified();
currentFileName=QString(filename);
//cout << *((RS_Graphic*)graphic);
//calculateBorders();
RS_DEBUG->print("RS_Graphic::open(%s): OK", filename.toLatin1().data());
}
return ret;
}
/**
* @return true if the grid is switched on (visible).
*/
bool RS_Graphic::isGridOn() {
int on = getVariableInt("$GRIDMODE", 1);
return on!=0;
}
/**
* Enables / disables the grid.
*/
void RS_Graphic::setGridOn(bool on) {
addVariable("$GRIDMODE", (int)on, 70);
}
/**
* @return true if the isometric grid is switched on (visible).
*/
bool RS_Graphic::isIsometricGrid() {
//$ISOMETRICGRID == $SNAPSTYLE
int on = getVariableInt("$SNAPSTYLE", 0);
return on!=0;
}
/**
* Enables / disables isometric grid.
*/
void RS_Graphic::setIsometricGrid(bool on) {
//$ISOMETRICGRID == $SNAPSTYLE
addVariable("$SNAPSTYLE", (int)on, 70);
}
void RS_Graphic::setCrosshairType(RS2::CrosshairType chType){
crosshairType=chType;
}
RS2::CrosshairType RS_Graphic::getCrosshairType(){
return crosshairType;
}
/**
* Sets the unit of this graphic to 'u'
*/
void RS_Graphic::setUnit(RS2::Unit u) {
setPaperSize(RS_Units::convert(getPaperSize(), getUnit(), u));
addVariable("$INSUNITS", (int)u, 70);
//unit = u;
}
/**
* Gets the unit of this graphic
*/
RS2::Unit RS_Graphic::getUnit() {
return (RS2::Unit)getVariableInt("$INSUNITS", 0);
//return unit;
}
/**
* @return The linear format type for this document.
* This is determined by the variable "$LUNITS".
*/
RS2::LinearFormat RS_Graphic::getLinearFormat() {
int lunits = getVariableInt("$LUNITS", 2);
return getLinearFormat(lunits);
/* changed by RS2::LinearFormat getLinearFormat(int f)
switch (lunits) {
default:
case 2:
return RS2::Decimal;
break;
case 1:
return RS2::Scientific;
break;
case 3:
return RS2::Engineering;
break;
case 4:
return RS2::Architectural;
break;
case 5:
return RS2::Fractional;
break;
}
return RS2::Decimal;*/
}
/**
* @return The linear format type used by the variable "$LUNITS" & "$DIMLUNIT".
*/
RS2::LinearFormat RS_Graphic::getLinearFormat(int f){
switch (f) {
default:
case 2:
return RS2::Decimal;
break;
case 1:
return RS2::Scientific;
break;
case 3:
return RS2::Engineering;
break;
case 4:
return RS2::Architectural;
break;
case 5:
return RS2::Fractional;
break;
case 6:
return RS2::ArchitecturalMetric;
break;
}
return RS2::Decimal;
}
/**
* @return The linear precision for this document.
* This is determined by the variable "$LUPREC".
*/
int RS_Graphic::getLinearPrecision() {
return getVariableInt("$LUPREC", 4);
}
/**
* @return The angle format type for this document.
* This is determined by the variable "$AUNITS".
*/
RS2::AngleFormat RS_Graphic::getAngleFormat() {
int aunits = getVariableInt("$AUNITS", 0);
switch (aunits) {
default:
case 0:
return RS2::DegreesDecimal;
break;
case 1:
return RS2::DegreesMinutesSeconds;
break;
case 2:
return RS2::Gradians;
break;
case 3:
return RS2::Radians;
break;
case 4:
return RS2::Surveyors;
break;
}
return RS2::DegreesDecimal;
}
/**
* @return The linear precision for this document.
* This is determined by the variable "$LUPREC".
*/
int RS_Graphic::getAnglePrecision() {
return getVariableInt("$AUPREC", 4);
}
/**
* @return The insertion point of the drawing into the paper space.
* This is the distance from the lower left paper edge to the zero
* point of the drawing. DXF: $PINSBASE.
*/
RS_Vector RS_Graphic::getPaperInsertionBase() {
return getVariableVector("$PINSBASE", RS_Vector(0.0,0.0));
}
/**
* Sets the PINSBASE variable.
*/
void RS_Graphic::setPaperInsertionBase(const RS_Vector& p) {
addVariable("$PINSBASE", p, 10);
}
/**
* @return Paper size in graphic units.
*/
RS_Vector RS_Graphic::getPaperSize() {
RS_SETTINGS->beginGroup("/Print");
bool okX,okY;
double sX = RS_SETTINGS->readEntry("/PaperSizeX", "0.0").toDouble(&okX);
double sY = RS_SETTINGS->readEntry("/PaperSizeY", "0.0").toDouble(&okY);
RS_SETTINGS->endGroup();
RS_Vector def ;
if(okX&&okY && sX>RS_TOLERANCE && sY>RS_TOLERANCE) {
def=RS_Units::convert(RS_Vector(sX,sY),
RS2::Millimeter, getUnit());
}else{
def= RS_Units::convert(RS_Vector(210.0,297.0),
RS2::Millimeter, getUnit());
}
RS_Vector v1 = getVariableVector("$PLIMMIN", RS_Vector(0.0,0.0));
RS_Vector v2 = getVariableVector("$PLIMMAX", def);
return v2-v1;
}
/**
* Sets a new paper size.
*/
void RS_Graphic::setPaperSize(const RS_Vector& s) {
addVariable("$PLIMMIN", RS_Vector(0.0,0.0), 10);
addVariable("$PLIMMAX", s, 10);
//set default paper size
RS_Vector def = RS_Units::convert(s,
getUnit(), RS2::Millimeter);
RS_SETTINGS->beginGroup("/Print");
RS_SETTINGS->writeEntry("/PaperSizeX", def.x);
RS_SETTINGS->writeEntry("/PaperSizeY", def.y);
RS_SETTINGS->endGroup();
}
/**
* @return Print Area size in graphic units.
*/
RS_Vector RS_Graphic::getPrintAreaSize(bool total) {
RS_Vector printArea = getPaperSize();
printArea.x -= RS_Units::convert(marginLeft+marginRight, RS2::Millimeter, getUnit());
printArea.y -= RS_Units::convert(marginTop+marginBottom, RS2::Millimeter, getUnit());
if (total) {
printArea.x *= pagesNumH;
printArea.y *= pagesNumV;
}
return printArea;
}
/**
* @return Paper format.
* This is determined by the variables "$PLIMMIN" and "$PLIMMAX".
*
* @param landscape will be set to true for landscape and false for portrait if not NULL.
*/
RS2::PaperFormat RS_Graphic::getPaperFormat(bool* landscape) {
RS_Vector size = RS_Units::convert(getPaperSize(),
getUnit(), RS2::Millimeter);
if (landscape) {
*landscape = (size.x>size.y);
}
return RS_Units::paperSizeToFormat(size);
}
/**
* Sets the paper format to the given format.
*/
void RS_Graphic::setPaperFormat(RS2::PaperFormat f, bool landscape) {
RS_Vector size = RS_Units::paperFormatToSize(f);
if (landscape ^ (size.x > size.y)) {
std::swap(size.x, size.y);
}
setPaperSize(RS_Units::convert(size, RS2::Millimeter, getUnit()));
}
/**
* @return Paper space scaling (DXF: $PSVPSCALE).
*/
double RS_Graphic::getPaperScale() {
double ret;
ret = getVariableDouble("$PSVPSCALE", 1.0);
// if (ret<1.0e-6) {
// ret = 1.0;
// }
return ret;
}
/**
* Sets a new scale factor for the paper space.
*/
void RS_Graphic::setPaperScale(double s) {
if(paperScaleFixed==false) addVariable("$PSVPSCALE", s, 40);
}
/**
* Centers drawing on page. Affects DXF variable $PINSBASE.
*/
void RS_Graphic::centerToPage() {
RS_Vector size = getPrintAreaSize();
double scale = getPaperScale();
auto s=getSize();
auto sMin=getMin();
/** avoid zero size, bug#3573158 */
if(fabs(s.x)<RS_TOLERANCE) {
s.x=10.;
sMin.x=-5.;
}
if(fabs(s.y)<RS_TOLERANCE) {
s.y=10.;
sMin.y=-5.;
}
RS_Vector pinsbase = (size-s*scale)/2.0 - sMin*scale;
pinsbase.x += RS_Units::convert(marginLeft, RS2::Millimeter, getUnit());
pinsbase.y += RS_Units::convert(marginBottom, RS2::Millimeter, getUnit());
setPaperInsertionBase(pinsbase);
}
/**
* Fits drawing on page. Affects DXF variable $PINSBASE.
*/
bool RS_Graphic::fitToPage() {
bool ret(true);
RS_Vector ps = getPrintAreaSize();
RS_Vector s = getSize();
/** avoid zero size, bug#3573158 */
if(fabs(s.x)<RS_TOLERANCE) s.x=10.;
if(fabs(s.y)<RS_TOLERANCE) s.y=10.;
double fx = RS_MAXDOUBLE;
double fy = RS_MAXDOUBLE;
double fxy;
//ps = RS_Units::convert(ps, getUnit(), RS2::Millimeter);
// tin-pot 2011-12-30: TODO: can s.x < 0.0 (==> fx < 0.0) happen?
if (fabs(s.x) > RS_TOLERANCE) {
fx = ps.x / s.x;
// ret=false;
}
if (fabs(s.y) > RS_TOLERANCE) {
fy = ps.y / s.y;
// ret=false;
}
fxy = std::min(fx, fy);
if (fxy >= RS_MAXDOUBLE || fxy <= 1.0e-10) {
setPaperSize(
RS_Units::convert(RS_Vector(210.,297.)
, RS2::Millimeter
, getUnit()
)
);
ret=false;
}
setPaperScale(fxy);
centerToPage();
return ret;
}
bool RS_Graphic::isBiggerThanPaper() {
RS_Vector ps = getPrintAreaSize();
RS_Vector s = getSize() * getPaperScale();
return !s.isInWindow(RS_Vector(0.0, 0.0), ps);
}
void RS_Graphic::addEntity(RS_Entity* entity)
{
RS_EntityContainer::addEntity(entity);
if( entity->rtti() == RS2::EntityBlock ||
entity->rtti() == RS2::EntityContainer){
RS_EntityContainer* e=static_cast<RS_EntityContainer*>(entity);
for(auto e1: *e){
addEntity(e1);
}
}
}
/**
* Dumps the entities to stdout.
*/
std::ostream& operator << (std::ostream& os, RS_Graphic& g) {
os << "--- Graphic: \n";
os << "---" << *g.getLayerList() << "\n";
os << "---" << *g.getBlockList() << "\n";
os << "---" << (RS_Undo&)g << "\n";
os << "---" << (RS_EntityContainer&)g << "\n";
return os;
}
/**
* Removes invalid objects.
* @return how many objects were removed
*/
int RS_Graphic::clean()
{
// author: ravas
int how_many = 0;
foreach (RS_Entity* e, entities)
{
if (e->getMin().x > e->getMax().x
|| e->getMin().y > e->getMax().y
|| e->getMin().x > RS_MAXDOUBLE
|| e->getMax().x > RS_MAXDOUBLE
|| e->getMin().x < RS_MINDOUBLE
|| e->getMax().x < RS_MINDOUBLE
|| e->getMin().y > RS_MAXDOUBLE
|| e->getMax().y > RS_MAXDOUBLE
|| e->getMin().y < RS_MINDOUBLE
|| e->getMax().y < RS_MINDOUBLE)
{
removeEntity(e);
how_many += 1;
}
}
return how_many;
}
/**
* Paper margins in graphic units
*/
void RS_Graphic::setMarginsInUnits(double left, double top, double right, double bottom) {
setMargins(
RS_Units::convert(left, getUnit(), RS2::Millimeter),
RS_Units::convert(top, getUnit(), RS2::Millimeter),
RS_Units::convert(right, getUnit(), RS2::Millimeter),
RS_Units::convert(bottom, getUnit(), RS2::Millimeter));
}
double RS_Graphic::getMarginLeftInUnits() {
return RS_Units::convert(marginLeft, RS2::Millimeter, getUnit());
}
double RS_Graphic::getMarginTopInUnits() {
return RS_Units::convert(marginTop, RS2::Millimeter, getUnit());
}
double RS_Graphic::getMarginRightInUnits() {
return RS_Units::convert(marginRight, RS2::Millimeter, getUnit());
}
double RS_Graphic::getMarginBottomInUnits() {
return RS_Units::convert(marginBottom, RS2::Millimeter, getUnit());
}
void RS_Graphic::setPagesNum(int horiz, int vert) {
if (horiz > 0)
pagesNumH = horiz;
if (vert > 0)
pagesNumV = vert;
}
void RS_Graphic::setPagesNum(const QString &horizXvert) {
if (horizXvert.contains('x')) {
bool ok1 = false;
bool ok2 = false;
int i = horizXvert.indexOf('x');
int h = (int)RS_Math::eval(horizXvert.left(i), &ok1);
int v = (int)RS_Math::eval(horizXvert.mid(i+1), &ok2);
if (ok1 && ok2)
setPagesNum(h, v);
}
}