/
CommandCreateGeo.cpp
7186 lines (6230 loc) · 289 KB
/
CommandCreateGeo.cpp
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/***************************************************************************
* Copyright (c) 2010 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <Inventor/nodes/SoPickStyle.h>
# include <QApplication>
# include <QMessageBox>
# include <stdlib.h>
# include <qdebug.h>
# include <QString>
# include <GC_MakeEllipse.hxx>
# include <boost/math/special_functions/fpclassify.hpp>
# include <memory>
#endif
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Tools.h>
#include <App/OriginFeature.h>
#include <Gui/Action.h>
#include <Gui/Application.h>
#include <Gui/BitmapFactory.h>
#include <Gui/Document.h>
#include <Gui/CommandT.h>
#include <Gui/MainWindow.h>
#include <Gui/DlgEditFileIncludePropertyExternal.h>
#include <Gui/Selection.h>
#include <Gui/SelectionFilter.h>
#include <Mod/Sketcher/App/SketchObject.h>
#include <Mod/Part/App/DatumFeature.h>
#include <Mod/Part/App/BodyBase.h>
#include <Mod/Sketcher/App/Constraint.h>
#include "ViewProviderSketch.h"
#include "DrawSketchHandler.h"
#include "CommandConstraints.h"
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
#include <Gui/SoFCUnifiedSelection.h>
#include <Gui/ToolBarManager.h>
#include "GeometryCreationMode.h"
#include "SketcherRegularPolygonDialog.h"
using namespace std;
using namespace SketcherGui;
namespace SketcherGui {
GeometryCreationMode geometryCreationMode=Normal;
}
/* helper functions ======================================================*/
// Return counter-clockwise angle from horizontal out of p1 to p2 in radians.
double GetPointAngle (const Base::Vector2d &p1, const Base::Vector2d &p2)
{
double dX = p2.x - p1.x;
double dY = p2.y - p1.y;
return dY >= 0 ? atan2(dY, dX) : atan2(dY, dX) + 2*M_PI;
}
/*
Find the centerpoint of a circle drawn through any 3 points:
Given points p1-3, draw 2 lines: S12 and S23 which each connect two points. From the
midpoint of each line, draw a perpendicular line (S12p/S23p) across the circle. These
lines will cross at the centerpoint.
Mathematically, line S12 will have a slope of m12 which can be determined. Therefore,
the slope m12p is -1/m12. Line S12p will have an equation of y = m12p*x + b12p. b12p can
be solved for using the midpoint of the line. This can be done for both lines. Since
both S12p and S23p cross at the centerpoint, solving the two equations together will give
the location of the centerpoint.
*/
Base::Vector2d GetCircleCenter (const Base::Vector2d &p1, const Base::Vector2d &p2, const Base::Vector2d &p3)
{
Base::Vector2d u = p2-p1;
Base::Vector2d v = p3-p2;
Base::Vector2d w = p1-p3;
double uu = u*u;
double vv = v*v;
double ww = w*w;
double uv = -(u*v);
double vw = -(v*w);
double uw = -(u*w);
double w0 = (2 * sqrt(uu * ww - uw * uw) * uw / (uu * ww));
double w1 = (2 * sqrt(uu * vv - uv * uv) * uv / (uu * vv));
double w2 = (2 * sqrt(vv * ww - vw * vw) * vw / (vv * ww));
double wx = w0 + w1 + w2;
if( wx == 0)
THROWM(Base::ValueError,"Points are collinear");
double x = (w0*p1.x + w1*p2.x + w2*p3.x)/wx;
double y = (w0*p1.y + w1*p2.y + w2*p3.y)/wx;
return Base::Vector2d(x, y);
}
void ActivateHandler(Gui::Document *doc, DrawSketchHandler *handler)
{
std::unique_ptr<DrawSketchHandler> ptr(handler);
if (doc) {
if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId())) {
SketcherGui::ViewProviderSketch* vp = static_cast<SketcherGui::ViewProviderSketch*> (doc->getInEdit());
vp->purgeHandler();
vp->activateHandler(ptr.release());
}
}
}
bool isCreateGeoActive(Gui::Document *doc)
{
if (doc) {
// checks if a Sketch Viewprovider is in Edit and is in no special mode
if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom
(SketcherGui::ViewProviderSketch::getClassTypeId())) {
/*if (dynamic_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit())->
getSketchMode() == ViewProviderSketch::STATUS_NONE)*/
return true;
}
}
return false;
}
SketcherGui::ViewProviderSketch* getSketchViewprovider(Gui::Document *doc)
{
if (doc) {
if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom
(SketcherGui::ViewProviderSketch::getClassTypeId()) )
return dynamic_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit());
}
return 0;
}
void removeRedundantHorizontalVertical(Sketcher::SketchObject* psketch,
std::vector<AutoConstraint> &sug1,
std::vector<AutoConstraint> &sug2)
{
if(!sug1.empty() && !sug2.empty()) {
bool rmvhorvert = false;
// we look for:
// 1. Coincident to external on both endpoints
// 2. Coincident in one endpoint to origin and pointonobject/tangent to an axis on the other
auto detectredundant = [psketch](std::vector<AutoConstraint> &sug, bool &ext, bool &orig, bool &axis) {
ext = false;
orig = false;
axis = false;
for(std::vector<AutoConstraint>::const_iterator it = sug.begin(); it!=sug.end(); ++it) {
if( (*it).Type == Sketcher::Coincident && ext == false) {
const std::map<int, Sketcher::PointPos> coincidents = psketch->getAllCoincidentPoints((*it).GeoId, (*it).PosId);
if(!coincidents.empty()) {
// the keys are ordered, so if the first is negative, it is coincident with external
ext = coincidents.begin()->first < 0;
std::map<int, Sketcher::PointPos>::const_iterator geoId1iterator;
geoId1iterator = coincidents.find(-1);
if( geoId1iterator != coincidents.end()) {
if( (*geoId1iterator).second == Sketcher::start )
orig = true;
}
}
else { // it may be that there is no constraint at all, but there is external geometry
ext = (*it).GeoId < 0;
orig = ((*it).GeoId == -1 && (*it).PosId == Sketcher::start);
}
}
else if( (*it).Type == Sketcher::PointOnObject && axis == false) {
axis = (((*it).GeoId == -1 && (*it).PosId == Sketcher::none) || ((*it).GeoId == -2 && (*it).PosId == Sketcher::none));
}
}
};
bool firstext = false, secondext = false, firstorig = false, secondorig = false, firstaxis = false, secondaxis = false;
detectredundant(sug1, firstext, firstorig, firstaxis);
detectredundant(sug2, secondext, secondorig, secondaxis);
rmvhorvert = ((firstext && secondext) || // coincident with external on both endpoints
(firstorig && secondaxis) || // coincident origin and point on object on other
(secondorig && firstaxis));
if(rmvhorvert) {
for(std::vector<AutoConstraint>::reverse_iterator it = sug2.rbegin(); it!=sug2.rend(); ++it) {
if( (*it).Type == Sketcher::Horizontal || (*it).Type == Sketcher::Vertical) {
sug2.erase(std::next(it).base());
it = sug2.rbegin(); // erase invalidates the iterator
}
}
}
}
}
/* Sketch commands =======================================================*/
static const char cursor_crosshair_color_fmt[] = "+ c #%06lX";
char cursor_crosshair_color[12];
void DrawSketchHandler::setCrosshairColor()
{
unsigned long color = getCrosshairColor();
sprintf(cursor_crosshair_color, cursor_crosshair_color_fmt, color);
}
unsigned long DrawSketchHandler::getCrosshairColor()
{
unsigned long color = 0xFFFFFFFF; // white
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
("User parameter:BaseApp/Preferences/View");
color = hGrp->GetUnsigned("CursorCrosshairColor", color);
// from rgba to rgb
color = (color >> 8) & 0xFFFFFF;
return color;
}
class DrawSketchHandlerLine: public DrawSketchHandler
{
public:
DrawSketchHandlerLine():Mode(STATUS_SEEK_First),EditCurve(2){}
virtual ~DrawSketchHandlerLine(){}
/// mode table
enum SelectMode {
STATUS_SEEK_First, /**< enum value ----. */
STATUS_SEEK_Second, /**< enum value ----. */
STATUS_End
};
virtual void activated(ViewProviderSketch *)
{
setCrosshairCursor("Sketcher_Pointer_Create_Line");
}
virtual void mouseMove(Base::Vector2d onSketchPos)
{
if (Mode==STATUS_SEEK_First) {
setPositionText(onSketchPos);
if (seekAutoConstraint(sugConstr1, onSketchPos, Base::Vector2d(0.f,0.f))) {
renderSuggestConstraintsCursor(sugConstr1);
return;
}
}
else if (Mode==STATUS_SEEK_Second){
float length = (onSketchPos - EditCurve[0]).Length();
float angle = (onSketchPos - EditCurve[0]).GetAngle(Base::Vector2d(1.f,0.f));
SbString text;
text.sprintf(" (%.1f,%.1fdeg)", length, angle * 180 / M_PI);
setPositionText(onSketchPos, text);
EditCurve[1] = onSketchPos;
sketchgui->drawEdit(EditCurve);
if (seekAutoConstraint(sugConstr2, onSketchPos, onSketchPos - EditCurve[0])) {
renderSuggestConstraintsCursor(sugConstr2);
return;
}
}
applyCursor();
}
virtual bool pressButton(Base::Vector2d onSketchPos)
{
if (Mode==STATUS_SEEK_First){
EditCurve[0] = onSketchPos;
Mode = STATUS_SEEK_Second;
}
else {
EditCurve[1] = onSketchPos;
sketchgui->drawEdit(EditCurve);
Mode = STATUS_End;
}
return true;
}
virtual bool releaseButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
if (Mode==STATUS_End){
unsetCursor();
resetPositionText();
try {
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add sketch line"));
Gui::cmdAppObjectArgs(sketchgui->getObject(), "addGeometry(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)),%s)",
EditCurve[0].x,EditCurve[0].y,EditCurve[1].x,EditCurve[1].y,
geometryCreationMode==Construction?"True":"False");
Gui::Command::commitCommand();
}
catch (const Base::Exception& e) {
Base::Console().Error("Failed to add line: %s\n", e.what());
Gui::Command::abortCommand();
}
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool avoidredundant = sketchgui->AvoidRedundant.getValue() && sketchgui->Autoconstraints.getValue();
if(avoidredundant)
removeRedundantHorizontalVertical(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()),sugConstr1,sugConstr2);
// add auto constraints for the line segment start
if (!sugConstr1.empty()) {
createAutoConstraints(sugConstr1, getHighestCurveIndex(), Sketcher::start);
sugConstr1.clear();
}
// add auto constraints for the line segment end
if (!sugConstr2.empty()) {
createAutoConstraints(sugConstr2, getHighestCurveIndex(), Sketcher::end);
sugConstr2.clear();
}
tryAutoRecomputeIfNotSolve(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()));
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
bool continuousMode = hGrp->GetBool("ContinuousCreationMode",true);
if(continuousMode){
// This code enables the continuous creation mode.
Mode=STATUS_SEEK_First;
EditCurve.resize(2);
applyCursor();
/* It is ok not to call to purgeHandler
* in continuous creation mode because the
* handler is destroyed by the quit() method on pressing the
* right button of the mouse */
}
else{
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in ViewProvider
}
}
return true;
}
protected:
SelectMode Mode;
std::vector<Base::Vector2d> EditCurve;
std::vector<AutoConstraint> sugConstr1, sugConstr2;
};
DEF_STD_CMD_AU(CmdSketcherCreateLine)
CmdSketcherCreateLine::CmdSketcherCreateLine()
: Command("Sketcher_CreateLine")
{
sAppModule = "Sketcher";
sGroup = QT_TR_NOOP("Sketcher");
sMenuText = QT_TR_NOOP("Create line");
sToolTipText = QT_TR_NOOP("Create a line in the sketch");
sWhatsThis = "Sketcher_CreateLine";
sStatusTip = sToolTipText;
sPixmap = "Sketcher_CreateLine";
sAccel = "L";
eType = ForEdit;
}
void CmdSketcherCreateLine::activated(int iMsg)
{
Q_UNUSED(iMsg);
ActivateHandler(getActiveGuiDocument(),new DrawSketchHandlerLine() );
}
void CmdSketcherCreateLine::updateAction(int mode)
{
switch (mode) {
case Normal:
if (getAction())
getAction()->setIcon(Gui::BitmapFactory().iconFromTheme("Sketcher_CreateLine"));
break;
case Construction:
if (getAction())
getAction()->setIcon(Gui::BitmapFactory().iconFromTheme("Sketcher_CreateLine_Constr"));
break;
}
}
bool CmdSketcherCreateLine::isActive(void)
{
return isCreateGeoActive(getActiveGuiDocument());
}
/* Create Box =======================================================*/
class DrawSketchHandlerBox: public DrawSketchHandler
{
public:
DrawSketchHandlerBox():Mode(STATUS_SEEK_First),EditCurve(5){}
virtual ~DrawSketchHandlerBox(){}
/// mode table
enum BoxMode {
STATUS_SEEK_First, /**< enum value ----. */
STATUS_SEEK_Second, /**< enum value ----. */
STATUS_End
};
virtual void activated(ViewProviderSketch *)
{
setCrosshairCursor("Sketcher_Pointer_Create_Box");
}
virtual void mouseMove(Base::Vector2d onSketchPos)
{
if (Mode==STATUS_SEEK_First) {
setPositionText(onSketchPos);
if (seekAutoConstraint(sugConstr1, onSketchPos, Base::Vector2d(0.f,0.f))) {
renderSuggestConstraintsCursor(sugConstr1);
return;
}
}
else if (Mode==STATUS_SEEK_Second) {
float dx = onSketchPos.x - EditCurve[0].x;
float dy = onSketchPos.y - EditCurve[0].y;
SbString text;
text.sprintf(" (%.1f x %.1f)", dx, dy);
setPositionText(onSketchPos, text);
EditCurve[2] = onSketchPos;
EditCurve[1] = Base::Vector2d(onSketchPos.x ,EditCurve[0].y);
EditCurve[3] = Base::Vector2d(EditCurve[0].x,onSketchPos.y);
sketchgui->drawEdit(EditCurve);
if (seekAutoConstraint(sugConstr2, onSketchPos, Base::Vector2d(0.0,0.0))) {
renderSuggestConstraintsCursor(sugConstr2);
return;
}
}
applyCursor();
}
virtual bool pressButton(Base::Vector2d onSketchPos)
{
if (Mode==STATUS_SEEK_First){
EditCurve[0] = onSketchPos;
EditCurve[4] = onSketchPos;
Mode = STATUS_SEEK_Second;
}
else {
EditCurve[2] = onSketchPos;
EditCurve[1] = Base::Vector2d(onSketchPos.x ,EditCurve[0].y);
EditCurve[3] = Base::Vector2d(EditCurve[0].x,onSketchPos.y);
sketchgui->drawEdit(EditCurve);
Mode = STATUS_End;
}
return true;
}
virtual bool releaseButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
if (Mode==STATUS_End){
unsetCursor();
resetPositionText();
int firstCurve = getHighestCurveIndex() + 1;
try {
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add sketch box"));
Gui::Command::doCommand(Gui::Command::Doc,
"geoList = []\n"
"geoList.append(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))\n"
"geoList.append(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))\n"
"geoList.append(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))\n"
"geoList.append(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))\n"
"%s.addGeometry(geoList,%s)\n"
"conList = []\n"
"conList.append(Sketcher.Constraint('Coincident',%i,2,%i,1))\n"
"conList.append(Sketcher.Constraint('Coincident',%i,2,%i,1))\n"
"conList.append(Sketcher.Constraint('Coincident',%i,2,%i,1))\n"
"conList.append(Sketcher.Constraint('Coincident',%i,2,%i,1))\n"
"conList.append(Sketcher.Constraint('Horizontal',%i))\n"
"conList.append(Sketcher.Constraint('Horizontal',%i))\n"
"conList.append(Sketcher.Constraint('Vertical',%i))\n"
"conList.append(Sketcher.Constraint('Vertical',%i))\n"
"%s.addConstraint(conList)\n",
EditCurve[0].x,EditCurve[0].y,EditCurve[1].x,EditCurve[1].y, // line 1
EditCurve[1].x,EditCurve[1].y,EditCurve[2].x,EditCurve[2].y, // line 2
EditCurve[2].x,EditCurve[2].y,EditCurve[3].x,EditCurve[3].y, // line 3
EditCurve[3].x,EditCurve[3].y,EditCurve[0].x,EditCurve[0].y, // line 4
Gui::Command::getObjectCmd(sketchgui->getObject()).c_str(), // the sketch
geometryCreationMode==Construction?"True":"False", // geometry as construction or not
firstCurve,firstCurve+1, // coincident1
firstCurve+1,firstCurve+2, // coincident2
firstCurve+2,firstCurve+3, // coincident3
firstCurve+3,firstCurve, // coincident4
firstCurve, // horizontal1
firstCurve+2, // horizontal2
firstCurve+1, // vertical1
firstCurve+3, // vertical2
Gui::Command::getObjectCmd(sketchgui->getObject()).c_str()); // the sketch
Gui::Command::commitCommand();
}
catch (const Base::Exception& e) {
Base::Console().Error("Failed to add box: %s\n", e.what());
Gui::Command::abortCommand();
}
// add auto constraints at the start of the first side
if (sugConstr1.size() > 0) {
createAutoConstraints(sugConstr1, getHighestCurveIndex() - 3 , Sketcher::start);
sugConstr1.clear();
}
// add auto constraints at the end of the second side
if (sugConstr2.size() > 0) {
createAutoConstraints(sugConstr2, getHighestCurveIndex() - 2, Sketcher::end);
sugConstr2.clear();
}
tryAutoRecomputeIfNotSolve(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()));
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool continuousMode = hGrp->GetBool("ContinuousCreationMode",true);
if(continuousMode){
// This code enables the continuous creation mode.
Mode=STATUS_SEEK_First;
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
EditCurve.resize(5);
applyCursor();
/* this is ok not to call to purgeHandler
* in continuous creation mode because the
* handler is destroyed by the quit() method on pressing the
* right button of the mouse */
}
else{
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in ViewProvider
}
}
return true;
}
protected:
BoxMode Mode;
std::vector<Base::Vector2d> EditCurve;
std::vector<AutoConstraint> sugConstr1, sugConstr2;
};
DEF_STD_CMD_AU(CmdSketcherCreateRectangle)
CmdSketcherCreateRectangle::CmdSketcherCreateRectangle()
: Command("Sketcher_CreateRectangle")
{
sAppModule = "Sketcher";
sGroup = QT_TR_NOOP("Sketcher");
sMenuText = QT_TR_NOOP("Create rectangle");
sToolTipText = QT_TR_NOOP("Create a rectangle in the sketch");
sWhatsThis = "Sketcher_CreateRectangle";
sStatusTip = sToolTipText;
sPixmap = "Sketcher_CreateRectangle";
sAccel = "R";
eType = ForEdit;
}
void CmdSketcherCreateRectangle::activated(int iMsg)
{
Q_UNUSED(iMsg);
ActivateHandler(getActiveGuiDocument(),new DrawSketchHandlerBox() );
}
void CmdSketcherCreateRectangle::updateAction(int mode)
{
switch (mode) {
case Normal:
if (getAction())
getAction()->setIcon(Gui::BitmapFactory().iconFromTheme("Sketcher_CreateRectangle"));
break;
case Construction:
if (getAction())
getAction()->setIcon(Gui::BitmapFactory().iconFromTheme("Sketcher_CreateRectangle_Constr"));
break;
}
}
bool CmdSketcherCreateRectangle::isActive(void)
{
return isCreateGeoActive(getActiveGuiDocument());
}
// ======================================================================================
class DrawSketchHandlerLineSet: public DrawSketchHandler
{
public:
DrawSketchHandlerLineSet()
: Mode(STATUS_SEEK_First), SegmentMode(SEGMENT_MODE_Line)
, TransitionMode(TRANSITION_MODE_Free)
, SnapMode(SNAP_MODE_Free)
, suppressTransition(false)
, EditCurve(2)
, firstCurve(-1)
, previousCurve(-1)
, firstPosId(Sketcher::none)
, previousPosId(Sketcher::none)
, startAngle(0)
, endAngle(0)
, arcRadius(0)
, firstsegment(true)
{
}
virtual ~DrawSketchHandlerLineSet() {}
/// mode table
enum SELECT_MODE {
STATUS_SEEK_First, /**< enum value ----. */
STATUS_SEEK_Second, /**< enum value ----. */
STATUS_Do,
STATUS_Close
};
enum SEGMENT_MODE
{
SEGMENT_MODE_Arc,
SEGMENT_MODE_Line
};
enum TRANSITION_MODE
{
TRANSITION_MODE_Free,
TRANSITION_MODE_Tangent,
TRANSITION_MODE_Perpendicular_L,
TRANSITION_MODE_Perpendicular_R
};
enum SNAP_MODE
{
SNAP_MODE_Free,
SNAP_MODE_45Degree
};
virtual void registerPressedKey(bool pressed, int key)
{
if (Mode != STATUS_SEEK_Second)
return; // SegmentMode can be changed only in STATUS_SEEK_Second mode
if (key == SoKeyboardEvent::M && pressed && previousCurve != -1) {
// loop through the following modes:
// SEGMENT_MODE_Line, TRANSITION_MODE_Free / TRANSITION_MODE_Tangent
// SEGMENT_MODE_Line, TRANSITION_MODE_Perpendicular_L
// SEGMENT_MODE_Line, TRANSITION_MODE_Tangent / TRANSITION_MODE_Free
// SEGMENT_MODE_Arc, TRANSITION_MODE_Tangent
// SEGMENT_MODE_Arc, TRANSITION_MODE_Perpendicular_L
// SEGMENT_MODE_Arc, TRANSITION_MODE_Perpendicular_R
SnapMode = SNAP_MODE_Free;
Base::Vector2d onSketchPos;
if (SegmentMode == SEGMENT_MODE_Line)
onSketchPos = EditCurve[EditCurve.size()-1];
else
onSketchPos = EditCurve[29];
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(previousCurve);
if (SegmentMode == SEGMENT_MODE_Line) {
switch (TransitionMode) {
case TRANSITION_MODE_Free:
if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) { // 3rd mode
SegmentMode = SEGMENT_MODE_Arc;
TransitionMode = TRANSITION_MODE_Tangent;
}
else // 1st mode
TransitionMode = TRANSITION_MODE_Perpendicular_L;
break;
case TRANSITION_MODE_Perpendicular_L: // 2nd mode
if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
TransitionMode = TRANSITION_MODE_Free;
else
TransitionMode = TRANSITION_MODE_Tangent;
break;
case TRANSITION_MODE_Tangent:
if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) // 1st mode
TransitionMode = TRANSITION_MODE_Perpendicular_L;
else { // 3rd mode
SegmentMode = SEGMENT_MODE_Arc;
TransitionMode = TRANSITION_MODE_Tangent;
}
break;
default: // unexpected mode
TransitionMode = TRANSITION_MODE_Free;
break;
}
}
else {
switch (TransitionMode) {
case TRANSITION_MODE_Tangent: // 4th mode
TransitionMode = TRANSITION_MODE_Perpendicular_L;
break;
case TRANSITION_MODE_Perpendicular_L: // 5th mode
TransitionMode = TRANSITION_MODE_Perpendicular_R;
break;
default: // 6th mode (Perpendicular_R) + unexpected mode
SegmentMode = SEGMENT_MODE_Line;
if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
TransitionMode = TRANSITION_MODE_Tangent;
else
TransitionMode = TRANSITION_MODE_Free;
break;
}
}
if (SegmentMode == SEGMENT_MODE_Line)
EditCurve.resize(TransitionMode == TRANSITION_MODE_Free ? 2 : 3);
else
EditCurve.resize(32);
mouseMove(onSketchPos); // trigger an update of EditCurve
}
}
virtual void activated(ViewProviderSketch *)
{
setCrosshairCursor("Sketcher_Pointer_Create_Lineset");
}
virtual void mouseMove(Base::Vector2d onSketchPos)
{
suppressTransition = false;
if (Mode==STATUS_SEEK_First) {
setPositionText(onSketchPos);
if (seekAutoConstraint(sugConstr1, onSketchPos, Base::Vector2d(0.f,0.f))) {
renderSuggestConstraintsCursor(sugConstr1);
return;
}
}
else if (Mode==STATUS_SEEK_Second){
if (SegmentMode == SEGMENT_MODE_Line) {
EditCurve[EditCurve.size()-1] = onSketchPos;
if (TransitionMode == TRANSITION_MODE_Tangent) {
Base::Vector2d Tangent(dirVec.x,dirVec.y);
EditCurve[1].ProjectToLine(EditCurve[2] - EditCurve[0], Tangent);
if (EditCurve[1] * Tangent < 0) {
EditCurve[1] = EditCurve[2];
suppressTransition = true;
}
else
EditCurve[1] = EditCurve[0] + EditCurve[1];
}
else if (TransitionMode == TRANSITION_MODE_Perpendicular_L ||
TransitionMode == TRANSITION_MODE_Perpendicular_R) {
Base::Vector2d Perpendicular(-dirVec.y,dirVec.x);
EditCurve[1].ProjectToLine(EditCurve[2] - EditCurve[0], Perpendicular);
EditCurve[1] = EditCurve[0] + EditCurve[1];
}
sketchgui->drawEdit(EditCurve);
float length = (EditCurve[1] - EditCurve[0]).Length();
float angle = (EditCurve[1] - EditCurve[0]).GetAngle(Base::Vector2d(1.f,0.f));
SbString text;
text.sprintf(" (%.1f,%.1fdeg)", length, angle * 180 / M_PI);
setPositionText(EditCurve[1], text);
if (TransitionMode == TRANSITION_MODE_Free) {
if (seekAutoConstraint(sugConstr2, onSketchPos, onSketchPos - EditCurve[0])) {
renderSuggestConstraintsCursor(sugConstr2);
return;
}
}
}
else if (SegmentMode == SEGMENT_MODE_Arc) {
if(QApplication::keyboardModifiers() == Qt::ControlModifier)
SnapMode = SNAP_MODE_45Degree;
else
SnapMode = SNAP_MODE_Free;
Base::Vector2d Tangent;
if (TransitionMode == TRANSITION_MODE_Tangent)
Tangent = Base::Vector2d(dirVec.x,dirVec.y);
else if (TransitionMode == TRANSITION_MODE_Perpendicular_L)
Tangent = Base::Vector2d(-dirVec.y,dirVec.x);
else if (TransitionMode == TRANSITION_MODE_Perpendicular_R)
Tangent = Base::Vector2d(dirVec.y,-dirVec.x);
double theta = Tangent.GetAngle(onSketchPos - EditCurve[0]);
arcRadius = (onSketchPos - EditCurve[0]).Length()/(2.0*sin(theta));
// At this point we need a unit normal vector pointing towards
// the center of the arc we are drawing. Derivation of the formula
// used here can be found at http://people.richland.edu/james/lecture/m116/matrices/area.html
double x1 = EditCurve[0].x;
double y1 = EditCurve[0].y;
double x2 = x1 + Tangent.x;
double y2 = y1 + Tangent.y;
double x3 = onSketchPos.x;
double y3 = onSketchPos.y;
if ((x2*y3-x3*y2)-(x1*y3-x3*y1)+(x1*y2-x2*y1) > 0)
arcRadius *= -1;
if (boost::math::isnan(arcRadius) || boost::math::isinf(arcRadius))
arcRadius = 0.f;
CenterPoint = EditCurve[0] + Base::Vector2d(arcRadius * Tangent.y, -arcRadius * Tangent.x);
double rx = EditCurve[0].x - CenterPoint.x;
double ry = EditCurve[0].y - CenterPoint.y;
startAngle = atan2(ry,rx);
double rxe = onSketchPos.x - CenterPoint.x;
double rye = onSketchPos.y - CenterPoint.y;
double arcAngle = atan2(-rxe*ry + rye*rx, rxe*rx + rye*ry);
if (boost::math::isnan(arcAngle) || boost::math::isinf(arcAngle))
arcAngle = 0.f;
if (arcRadius >= 0 && arcAngle > 0)
arcAngle -= 2*M_PI;
if (arcRadius < 0 && arcAngle < 0)
arcAngle += 2*M_PI;
if (SnapMode == SNAP_MODE_45Degree)
arcAngle = round(arcAngle / (M_PI/4)) * M_PI/4;
endAngle = startAngle + arcAngle;
for (int i=1; i <= 29; i++) {
double angle = i*arcAngle/29.0;
double dx = rx * cos(angle) - ry * sin(angle);
double dy = rx * sin(angle) + ry * cos(angle);
EditCurve[i] = Base::Vector2d(CenterPoint.x + dx, CenterPoint.y + dy);
}
EditCurve[30] = CenterPoint;
EditCurve[31] = EditCurve[0];
sketchgui->drawEdit(EditCurve);
SbString text;
text.sprintf(" (%.1fR,%.1fdeg)", std::abs(arcRadius), arcAngle * 180 / M_PI);
setPositionText(onSketchPos, text);
if (seekAutoConstraint(sugConstr2, onSketchPos, Base::Vector2d(0.f,0.f))) {
renderSuggestConstraintsCursor(sugConstr2);
return;
}
}
}
applyCursor();
}
virtual bool pressButton(Base::Vector2d onSketchPos)
{
if (Mode == STATUS_SEEK_First) {
EditCurve[0] = onSketchPos; // this may be overwritten if previousCurve is found
virtualsugConstr1 = sugConstr1; // store original autoconstraints.
// here we check if there is a preselected point and
// we set up a transition from the neighbouring segment.
// (peviousCurve, previousPosId, dirVec, TransitionMode)
for (unsigned int i=0; i < sugConstr1.size(); i++)
if (sugConstr1[i].Type == Sketcher::Coincident) {
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(sugConstr1[i].GeoId);
if ((geom->getTypeId() == Part::GeomLineSegment::getClassTypeId() ||
geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) &&
(sugConstr1[i].PosId == Sketcher::start ||
sugConstr1[i].PosId == Sketcher::end)) {
previousCurve = sugConstr1[i].GeoId;
previousPosId = sugConstr1[i].PosId;
updateTransitionData(previousCurve,previousPosId); // -> dirVec, EditCurve[0]
if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) {
TransitionMode = TRANSITION_MODE_Tangent;
SnapMode = SNAP_MODE_Free;
}
sugConstr1.erase(sugConstr1.begin()+i); // actually we should clear the vector completely
break;
}
}
// remember our first point (even if we are doing a transition from a previous curve)
firstCurve = getHighestCurveIndex() + 1;
firstPosId = Sketcher::start;
if (SegmentMode == SEGMENT_MODE_Line)
EditCurve.resize(TransitionMode == TRANSITION_MODE_Free ? 2 : 3);
else if (SegmentMode == SEGMENT_MODE_Arc)
EditCurve.resize(32);
Mode = STATUS_SEEK_Second;
}
else if (Mode == STATUS_SEEK_Second) {
// exit on clicking exactly at the same position (e.g. double click)
if (onSketchPos == EditCurve[0]) {
unsetCursor();
resetPositionText();
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool continuousMode = hGrp->GetBool("ContinuousCreationMode",true);
if(continuousMode){
// This code enables the continuous creation mode.
Mode=STATUS_SEEK_First;
SegmentMode=SEGMENT_MODE_Line;
TransitionMode=TRANSITION_MODE_Free;
SnapMode = SNAP_MODE_Free;
suppressTransition=false;
firstCurve=-1;
previousCurve=-1;
firstPosId=Sketcher::none;
previousPosId=Sketcher::none;
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
EditCurve.resize(2);
applyCursor();
/* this is ok not to call to purgeHandler
* in continuous creation mode because the
* handler is destroyed by the quit() method on pressing the
* right button of the mouse */
return true;
}
else{
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in ViewProvider
return true;
}
}
Mode = STATUS_Do;
if (sketchgui->getPreselectPoint() != -1 && firstPosId != Sketcher::none) {
int GeoId;
Sketcher::PointPos PosId;
sketchgui->getSketchObject()->getGeoVertexIndex(sketchgui->getPreselectPoint(),GeoId,PosId);
if (sketchgui->getSketchObject()->arePointsCoincident(GeoId,PosId,firstCurve,firstPosId))
Mode = STATUS_Close;
}
else if (sketchgui->getPreselectCross() == 0 && firstPosId != Sketcher::none) {
// close line started at root point
if (sketchgui->getSketchObject()->arePointsCoincident(-1,Sketcher::start,firstCurve,firstPosId))
Mode = STATUS_Close;
}
}
return true;
}
virtual bool releaseButton(Base::Vector2d onSketchPos)
{
if (Mode == STATUS_Do || Mode == STATUS_Close) {
bool addedGeometry = true;
if (SegmentMode == SEGMENT_MODE_Line) {
// issue the geometry
try {
// open the transaction
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add line to sketch wire"));
Gui::cmdAppObjectArgs(sketchgui->getObject(), "addGeometry(Part.LineSegment(App.Vector(%f,%f,0),App.Vector(%f,%f,0)),%s)",
EditCurve[0].x,EditCurve[0].y,EditCurve[1].x,EditCurve[1].y,
geometryCreationMode==Construction?"True":"False");
}
catch (const Base::Exception& e) {
addedGeometry = false;
Base::Console().Error("Failed to add line: %s\n", e.what());
Gui::Command::abortCommand();
}
firstsegment=false;
}
else if (SegmentMode == SEGMENT_MODE_Arc) { // We're dealing with an Arc
if (!boost::math::isnormal(arcRadius)) {
Mode = STATUS_SEEK_Second;
return true;
}