333 lines
8.3 KiB
C++
333 lines
8.3 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#include<cmath>
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#include <QAction>
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#include <QImage>
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#include <QMouseEvent>
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#include "rs_image.h"
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#include "rs_line.h"
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#include "rs_units.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_commandevent.h"
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#include "rs_creation.h"
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#include "rs_actiondrawimage.h"
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#include "rs_coordinateevent.h"
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#include "rs_math.h"
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#include "rs_preview.h"
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struct RS_ActionDrawImage::ImageData {
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RS_ImageData data;
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QImage img;
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};
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/**
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* Constructor.
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*/
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RS_ActionDrawImage::RS_ActionDrawImage(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Image",
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container, graphicView)
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, pImg(new ImageData{})
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, lastStatus(ShowDialog)
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{
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actionType=RS2::ActionDrawImage;
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}
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RS_ActionDrawImage::~RS_ActionDrawImage() = default;
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void RS_ActionDrawImage::init(int status) {
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RS_PreviewActionInterface::init(status);
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reset();
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pImg->data.file = RS_DIALOGFACTORY->requestImageOpenDialog();
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// RVT_PORT should we really redarw here?? graphicView->redraw();
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if (!pImg->data.file.isEmpty()) {
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//std::cout << "file: " << pImg->data.file << "\n";
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//qDebug() << "file: " << pImg->data.file;
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pImg->img = QImage(pImg->data.file);
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setStatus(SetTargetPoint);
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} else {
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setFinished();
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//RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
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}
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}
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void RS_ActionDrawImage::reset() {
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pImg->data = {
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0,
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{0.0,0.0},
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{1.0,0.0},
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{0.0,1.0},
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{1.0,1.0},
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"",
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50, 50, 0
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};
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}
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void RS_ActionDrawImage::trigger() {
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deletePreview();
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if (!pImg->data.file.isEmpty()) {
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RS_Creation creation(container, graphicView);
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creation.createImage(& pImg->data);
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}
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graphicView->redraw(RS2::RedrawDrawing);
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graphicView->zoomAuto();
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finish(false);
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}
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void RS_ActionDrawImage::mouseMoveEvent(QMouseEvent* e) {
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if (getStatus() == SetTargetPoint) {
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pImg->data.insertionPoint = snapPoint(e);
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deletePreview();
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//RS_Creation creation(preview, nullptr, false);
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//creation.createInsert(data);
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double const w=pImg->img.width();
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double const h=pImg->img.height();
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RS_Line* line = new RS_Line{preview.get(), {0., 0.}, {w, 0.}};
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preview->addEntity(line);
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line = new RS_Line{preview.get(), {w, 0.}, {w, h}};
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preview->addEntity(line);
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line = new RS_Line{preview.get(), {w, h}, {0., h}};
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preview->addEntity(line);
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line = new RS_Line{preview.get(), {0., h}, {0., 0.}};
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preview->addEntity(line);
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preview->scale({0., 0.},
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{pImg->data.uVector.magnitude(), pImg->data.uVector.magnitude()});
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preview->rotate({0.,0.}, pImg->data.uVector.angle());
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preview->move(pImg->data.insertionPoint);
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drawPreview();
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}
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}
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void RS_ActionDrawImage::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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} else if (e->button()==Qt::RightButton) {
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//init(getStatus()-1);
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finish(false);
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}
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}
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void RS_ActionDrawImage::coordinateEvent(RS_CoordinateEvent* e) {
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if (e==nullptr) {
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return;
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}
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pImg->data.insertionPoint = e->getCoordinate();
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trigger();
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}
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void RS_ActionDrawImage::commandEvent(RS_CommandEvent* e) {
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QString c = e->getCommand().toLower();
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if (checkCommand("help", c)) {
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RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
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+ getAvailableCommands().join(", "));
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return;
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}
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switch (getStatus()) {
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case SetTargetPoint:
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if (checkCommand("angle", c)) {
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deletePreview();
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lastStatus = (Status)getStatus();
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setStatus(SetAngle);
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} else if (checkCommand("factor", c)) {
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deletePreview();
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lastStatus = (Status)getStatus();
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setStatus(SetFactor);
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} else if (checkCommand("dpi",c)) {
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deletePreview();
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lastStatus =(Status)getStatus();
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setStatus(SetDPI);
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}
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break;
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case SetAngle: {
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bool ok;
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double a = RS_Math::eval(c, &ok);
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if (ok) {
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setAngle(RS_Math::deg2rad(a));
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
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}
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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}
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break;
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case SetFactor: {
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bool ok;
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double f = RS_Math::eval(c, &ok);
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if (ok) {
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setFactor(f);
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
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}
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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}
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break;
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case SetDPI : {
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bool ok;
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double dpi = RS_Math::eval(c, &ok);
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if(ok) {
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setFactor(RS_Units::dpiToScale(dpi, document->getGraphicUnit()));
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
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}
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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}
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break;
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default:
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break;
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}
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}
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double RS_ActionDrawImage::getAngle() const {
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return pImg->data.uVector.angle();
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}
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void RS_ActionDrawImage::setAngle(double a) const{
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double l = pImg->data.uVector.magnitude();
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pImg->data.uVector.setPolar(l, a);
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pImg->data.vVector.setPolar(l, a+M_PI_2);
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}
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double RS_ActionDrawImage::getFactor() const {
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return pImg->data.uVector.magnitude();
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}
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void RS_ActionDrawImage::setFactor(double f) const {
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double a = pImg->data.uVector.angle();
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pImg->data.uVector.setPolar(f, a);
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pImg->data.vVector.setPolar(f, a+M_PI_2);
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}
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double RS_ActionDrawImage::dpiToScale(double dpi) const {
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return RS_Units::dpiToScale(dpi, document->getGraphicUnit());
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}
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double RS_ActionDrawImage::scaleToDpi(double scale) const {
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return RS_Units::scaleToDpi(scale, document->getGraphicUnit());
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}
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void RS_ActionDrawImage::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::CadCursor);
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}
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QStringList RS_ActionDrawImage::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetTargetPoint:
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cmd += command("angle");
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cmd += command("factor");
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cmd += command("dpi");
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break;
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default:
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break;
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}
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return cmd;
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}
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void RS_ActionDrawImage::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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}
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void RS_ActionDrawImage::hideOptions() {
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RS_ActionInterface::hideOptions();
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RS_DIALOGFACTORY->requestOptions(this, false);
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}
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void RS_ActionDrawImage::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetTargetPoint:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify reference point"),
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tr("Cancel"));
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break;
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case SetAngle:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter angle:"),
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"");
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break;
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case SetFactor:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter factor:"),
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"");
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break;
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case SetDPI:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter dpi:"),
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"");
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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}
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}
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// EOF
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