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/****************************************************************************
**
** 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 "rs_dimaligned.h"
#include "rs_graphic.h"
#include "rs_units.h"
#include "rs_constructionline.h"
/**
* Constructor.
*
* @para parent Parent Entity Container.
* @para d Common dimension geometrical data.
* @para ed Extended geometrical data for aligned dimension.
*/
RS_DimAligned::RS_DimAligned(RS_EntityContainer* parent,
const RS_DimensionData& d,
const RS_DimAlignedData& ed)
: RS_Dimension(parent, d), edata(ed) {
calculateBorders();
}
/**
* Sets a new text. The entities representing the
* text are updated.
*/
//void RS_DimAligned::setText(const QString& t) {
// data.text = t;
// update();
//}
RS_VectorSolutions RS_DimAligned::getRefPoints() {
RS_VectorSolutions ret(edata.extensionPoint1, edata.extensionPoint2,
data.definitionPoint, data.middleOfText);
return ret;
}
/**
* @return Automatically creted label for the default
* measurement of this dimension.
*/
QString RS_DimAligned::getMeasuredLabel() {
double dist = edata.extensionPoint1.distanceTo(edata.extensionPoint2) * getGeneralFactor();
RS_Graphic* graphic = getGraphic();
QString ret;
if (graphic!=NULL) {
ret = RS_Units::formatLinear(dist, graphic->getUnit(),
graphic->getLinearFormat(), graphic->getLinearPrecision());
}
else {
ret = QString("%1").arg(dist);
}
return ret;
}
/**
* Updates the sub entities of this dimension. Called when the
* text or the position, alignment, .. changes.
*
* @param autoText Automatically reposition the text label
*/
void RS_DimAligned::updateDim(bool autoText) {
RS_DEBUG->print("RS_DimAligned::update");
clear();
if (isUndone()) {
return;
}
// general scale (DIMSCALE)
double dimscale = getGeneralScale();
// distance from entities (DIMEXO)
double dimexo = getExtensionLineOffset()*dimscale;
// definition line definition (DIMEXE)
double dimexe = getExtensionLineExtension()*dimscale;
// text height (DIMTXT)
//double dimtxt = getTextHeight();
// text distance to line (DIMGAP)
//double dimgap = getDimensionLineGap();
// Angle from extension endpoints towards dimension line
double extAngle = edata.extensionPoint2.angleTo(data.definitionPoint);
// extension lines length
double extLength = edata.extensionPoint2.distanceTo(data.definitionPoint);
RS_Vector v1, v2, e1;
RS_LineData ld;
RS_Line* line;
v1.setPolar(dimexo, extAngle);
v2.setPolar(dimexe, extAngle);
e1.setPolar(1.0, extAngle);
// Extension line 1:
ld = RS_LineData(edata.extensionPoint1 + v1,
edata.extensionPoint1 + e1*extLength + v2);
line = new RS_Line(this, ld);
//line->setLayerToActive();
//line->setPenToActive();
line->setPen(RS_Pen(RS2::FlagInvalid));
line->setLayer(NULL);
addEntity(line);
// Extension line 2:
ld = RS_LineData(edata.extensionPoint2 + v1,
edata.extensionPoint2 + e1*extLength + v2);
line = new RS_Line(this, ld);
//line->setLayerToActive();
//line->setPenToActive();
line->setPen(RS_Pen(RS2::FlagInvalid));
line->setLayer(NULL);
addEntity(line);
// Dimension line:
updateCreateDimensionLine(edata.extensionPoint1 + e1*extLength,
edata.extensionPoint2 + e1*extLength,
true, true, autoText);
calculateBorders();
}
void RS_DimAligned::updateDimPoint(){
// temporary construction line
RS_ConstructionLine tmpLine( NULL,
RS_ConstructionLineData(edata.extensionPoint1, edata.extensionPoint2));
RS_Vector tmpP1 = tmpLine.getNearestPointOnEntity(data.definitionPoint);
data.definitionPoint += edata.extensionPoint2 - tmpP1;
}
bool RS_DimAligned::hasEndpointsWithinWindow(const RS_Vector& v1, const RS_Vector& v2) {
return (edata.extensionPoint1.isInWindow(v1, v2) ||
edata.extensionPoint2.isInWindow(v1, v2));
}
void RS_DimAligned::move(const RS_Vector& offset) {
RS_Dimension::move(offset);
edata.extensionPoint1.move(offset);
edata.extensionPoint2.move(offset);
update();
}
void RS_DimAligned::rotate(const RS_Vector& center, const double& angle) {
rotate(center,RS_Vector(angle));
}
void RS_DimAligned::rotate(const RS_Vector& center, const RS_Vector& angleVector) {
RS_Dimension::rotate(center, angleVector);
edata.extensionPoint1.rotate(center, angleVector);
edata.extensionPoint2.rotate(center, angleVector);
update();
}
void RS_DimAligned::scale(const RS_Vector& center, const RS_Vector& factor) {
RS_Dimension::scale(center, factor);
edata.extensionPoint1.scale(center, factor);
edata.extensionPoint2.scale(center, factor);
update();
}
void RS_DimAligned::mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) {
RS_Dimension::mirror(axisPoint1, axisPoint2);
edata.extensionPoint1.mirror(axisPoint1, axisPoint2);
edata.extensionPoint2.mirror(axisPoint1, axisPoint2);
update();
}
void RS_DimAligned::stretch(const RS_Vector& firstCorner,
const RS_Vector& secondCorner,
const RS_Vector& offset) {
//e->calculateBorders();
if (getMin().isInWindow(firstCorner, secondCorner) &&
getMax().isInWindow(firstCorner, secondCorner)) {
move(offset);
}
else {
//RS_Vector v = data.definitionPoint - edata.extensionPoint2;
double len = edata.extensionPoint2.distanceTo(data.definitionPoint);
double ang1 = edata.extensionPoint1.angleTo(edata.extensionPoint2)
+ M_PI/2;
if (edata.extensionPoint1.isInWindow(firstCorner,
secondCorner)) {
edata.extensionPoint1.move(offset);
}
if (edata.extensionPoint2.isInWindow(firstCorner,
secondCorner)) {
edata.extensionPoint2.move(offset);
}
double ang2 = edata.extensionPoint1.angleTo(edata.extensionPoint2)
+ M_PI/2;
double diff = RS_Math::getAngleDifference(ang1, ang2);
if (diff>M_PI) {
diff-=2*M_PI;
}
if (fabs(diff)>M_PI/2) {
ang2 = RS_Math::correctAngle(ang2+M_PI);
}
RS_Vector v;
v.setPolar(len, ang2);
data.definitionPoint = edata.extensionPoint2 + v;
}
updateDim(true);
}
void RS_DimAligned::moveRef(const RS_Vector& ref, const RS_Vector& offset) {
if (ref.distanceTo(data.definitionPoint)<1.0e-4) {
RS_ConstructionLine l(NULL,
RS_ConstructionLineData(edata.extensionPoint1,
edata.extensionPoint2));
double d = l.getDistanceToPoint(data.definitionPoint+offset);
double a = edata.extensionPoint2.angleTo(data.definitionPoint);
double ad = RS_Math::getAngleDifference(a,
edata.extensionPoint2.angleTo(data.definitionPoint+offset));
if (fabs(ad)>M_PI/2.0 && fabs(ad)<3.0/2.0*M_PI) {
a = RS_Math::correctAngle(a+M_PI);
}
RS_Vector v;
v.setPolar(d, a);
data.definitionPoint = edata.extensionPoint2 + v;
updateDim(true);
}
else if (ref.distanceTo(data.middleOfText)<1.0e-4) {
data.middleOfText.move(offset);
updateDim(false);
}
else if (ref.distanceTo(edata.extensionPoint1)<1.0e-4) {
double a1 = edata.extensionPoint2.angleTo(edata.extensionPoint1);
double a2 = edata.extensionPoint2.angleTo(edata.extensionPoint1+offset);
double d1 = edata.extensionPoint2.distanceTo(edata.extensionPoint1);
double d2 = edata.extensionPoint2.distanceTo(edata.extensionPoint1+offset);
rotate(edata.extensionPoint2, a2-a1);
if (fabs(d1)>1.0e-4) {
scale(edata.extensionPoint2, RS_Vector(d2/d1, d2/d1));
}
updateDim(true);
}
else if (ref.distanceTo(edata.extensionPoint2)<1.0e-4) {
double a1 = edata.extensionPoint1.angleTo(edata.extensionPoint2);
double a2 = edata.extensionPoint1.angleTo(edata.extensionPoint2+offset);
double d1 = edata.extensionPoint1.distanceTo(edata.extensionPoint2);
double d2 = edata.extensionPoint1.distanceTo(edata.extensionPoint2+offset);
rotate(edata.extensionPoint1, a2-a1);
if (fabs(d1)>1.0e-4) {
scale(edata.extensionPoint1, RS_Vector(d2/d1, d2/d1));
}
updateDim(true);
}
}
/**
* Dumps the point's data to stdout.
*/
std::ostream& operator << (std::ostream& os, const RS_DimAligned& d) {
os << " DimAligned: " << d.getData() << "\n" << d.getEData() << "\n";
return os;
}
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