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

319 lines
8.6 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 <cmath>
#include "rs_dimradial.h"
#include "rs_line.h"
#include "rs_mtext.h"
#include "rs_solid.h"
#include "rs_graphic.h"
#include "rs_debug.h"
RS_DimRadialData::RS_DimRadialData():
definitionPoint(false),
leader(0.0)
{}
/**
* Constructor with initialisation.
*
* @param definitionPoint Definition point of the radial dimension.
* @param leader Leader length.
*/
RS_DimRadialData::RS_DimRadialData(const RS_Vector& _definitionPoint,
double _leader):
definitionPoint(_definitionPoint)
,leader(_leader)
{
}
std::ostream& operator << (std::ostream& os,
const RS_DimRadialData& dd) {
os << "(" << dd.definitionPoint << "/" << dd.leader << ")";
return os;
}
/**
* Constructor.
*
* @para parent Parent Entity Container.
* @para d Common dimension geometrical data.
* @para ed Extended geometrical data for radial dimension.
*/
RS_DimRadial::RS_DimRadial(RS_EntityContainer* parent,
const RS_DimensionData& d,
const RS_DimRadialData& ed)
: RS_Dimension(parent, d), edata(ed) {}
RS_Entity* RS_DimRadial::clone() const {
RS_DimRadial* d = new RS_DimRadial(*this);
d->setOwner(isOwner());
d->initId();
d->detach();
return d;
}
/**
* @return Automatically created label for the default
* measurement of this dimension.
*/
QString RS_DimRadial::getMeasuredLabel() {
// Definitive dimension line:
double dist = data.definitionPoint.distanceTo(edata.definitionPoint) * getGeneralFactor();
RS_Graphic* graphic = getGraphic();
QString ret;
if (graphic) {
int dimlunit = getGraphicVariableInt("$DIMLUNIT", 2);
int dimdec = getGraphicVariableInt("$DIMDEC", 4);
int dimzin = getGraphicVariableInt("$DIMZIN", 1);
RS2::LinearFormat format = graphic->getLinearFormat(dimlunit);
ret = RS_Units::formatLinear(dist, RS2::None, format, dimdec);
if (format == RS2::Decimal)
ret = stripZerosLinear(ret, dimzin);
//verify if units are decimal and comma separator
if (format == RS2::Decimal || format == RS2::ArchitecturalMetric){
if (getGraphicVariableInt("$DIMDSEP", 0) == 44)
ret.replace(QChar('.'), QChar(','));
}
} else {
ret = QString("%1").arg(dist);
}
return ret;
}
RS_VectorSolutions RS_DimRadial::getRefPoints() const
{
return RS_VectorSolutions({edata.definitionPoint,
data.definitionPoint, data.middleOfText});
}
/**
* Updates the sub entities of this dimension. Called when the
* dimension or the position, alignment, .. changes.
*
* @param autoText Automatically reposition the text label
*/
void RS_DimRadial::updateDim(bool autoText) {
RS_DEBUG->print("RS_DimRadial::update");
clear();
if (isUndone()) {
return;
}
// general scale (DIMSCALE)
double dimscale = getGeneralScale();
RS_Vector p1 = data.definitionPoint;
RS_Vector p2 = edata.definitionPoint;
double angle = p1.angleTo(p2);
// text height (DIMTXT)
double dimtxt = getTextHeight()*dimscale;
RS_Pen pen(getDimensionLineColor(),
getDimensionLineWidth(),
RS2::LineByBlock);
RS_MTextData textData;
textData = RS_MTextData(RS_Vector(0.0,0.0),
dimtxt, 30.0,
RS_MTextData::VAMiddle,
RS_MTextData::HACenter,
RS_MTextData::LeftToRight,
RS_MTextData::Exact,
1.0,
getLabel(),
getTextStyle(),
0.0);
RS_MText* text = new RS_MText(this, textData);
double textWidth = text->getSize().x;
double tick_size = getTickSize()*dimscale;
double arrow_size = getArrowSize()*dimscale;
double length = p1.distanceTo(p2); // line length
bool outsideArrow = false;
if (tick_size == 0 && arrow_size != 0)
{
// do we have to put the arrow / text outside of the arc?
outsideArrow = (length < arrow_size*2+textWidth);
double arrowAngle;
if (outsideArrow) {
length += arrow_size*2 + textWidth;
arrowAngle = angle+M_PI;
} else {
arrowAngle = angle;
}
// create arrow:
RS_SolidData sd;
RS_Solid* arrow;
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p2, arrowAngle, arrow_size);
arrow->setPen(pen);
arrow->setLayer(nullptr);
addEntity(arrow);
}
RS_Vector p3 = RS_Vector::polar(length, angle);
p3 += p1;
// Create dimension line:
RS_Line* dimensionLine = new RS_Line{this, p1, p3};
dimensionLine->setPen(pen);
dimensionLine->setLayer(nullptr);
addEntity(dimensionLine);
RS_Vector distV;
double textAngle;
// text distance to line (DIMGAP)
double dimgap = getDimensionLineGap()*dimscale;
// rotate text so it's readable from the bottom or right (ISO)
// quadrant 1 & 4
if (angle > M_PI_2*3.0+0.001 || angle < M_PI_2+0.001)
{
distV.setPolar(dimgap + dimtxt/2.0, angle+M_PI_2);
textAngle = angle;
}
// quadrant 2 & 3
else
{
distV.setPolar(dimgap + dimtxt/2.0, angle-M_PI_2);
textAngle = angle+M_PI;
}
// move text label:
RS_Vector textPos;
if (data.middleOfText.valid && !autoText) {
textPos = data.middleOfText;
} else {
if (outsideArrow) {
textPos.setPolar(length-textWidth/2.0-arrow_size, angle);
} else {
textPos.setPolar(length/2.0, angle);
}
textPos += p1;
// move text away from dimension line:
textPos += distV;
data.middleOfText = textPos;
}
text->rotate({0., 0.}, textAngle);
text->move(textPos);
text->setPen(RS_Pen(getTextColor(), RS2::WidthByBlock, RS2::SolidLine));
text->setLayer(nullptr);
addEntity(text);
calculateBorders();
}
void RS_DimRadial::move(const RS_Vector& offset) {
RS_Dimension::move(offset);
edata.definitionPoint.move(offset);
update();
}
void RS_DimRadial::rotate(const RS_Vector& center, const double& angle) {
rotate(center,RS_Vector(angle));
}
void RS_DimRadial::rotate(const RS_Vector& center, const RS_Vector& angleVector) {
RS_Dimension::rotate(center, angleVector);
edata.definitionPoint.rotate(center, angleVector);
update();
}
void RS_DimRadial::scale(const RS_Vector& center, const RS_Vector& factor) {
RS_Dimension::scale(center, factor);
edata.definitionPoint.scale(center, factor);
edata.leader*=factor.x;
update();
}
void RS_DimRadial::mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) {
RS_Dimension::mirror(axisPoint1, axisPoint2);
edata.definitionPoint.mirror(axisPoint1, axisPoint2);
update();
}
void RS_DimRadial::moveRef(const RS_Vector& ref, const RS_Vector& offset) {
if (ref.distanceTo(edata.definitionPoint)<1.0e-4) {
double d = data.definitionPoint.distanceTo(edata.definitionPoint);
double a = data.definitionPoint.angleTo(edata.definitionPoint + offset);
RS_Vector v = RS_Vector::polar(d, a);
edata.definitionPoint = data.definitionPoint + v;
updateDim(true);
}
else if (ref.distanceTo(data.middleOfText)<1.0e-4) {
data.middleOfText.move(offset);
updateDim(false);
}
}
/**
* Dumps the point's data to stdout.
*/
std::ostream& operator << (std::ostream& os, const RS_DimRadial& d) {
os << " DimRadial: " << d.getData() << "\n" << d.getEData() << "\n";
return os;
}