/
CommandCreateGeo.cpp
2147 lines (1923 loc) · 83.2 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_
#endif
#include <boost/math/special_functions/fpclassify.hpp>
#include <Base/Console.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/Command.h>
#include <Gui/MainWindow.h>
#include <Gui/DlgEditFileIncludeProptertyExternal.h>
#include <Gui/Selection.h>
#include <Gui/SelectionFilter.h>
#include <Mod/Sketcher/App/SketchObject.h>
#include "ViewProviderSketch.h"
#include "DrawSketchHandler.h"
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
#include <Gui/SoFCUnifiedSelection.h>
using namespace std;
using namespace SketcherGui;
/* helper functions ======================================================*/
void ActivateHandler(Gui::Document *doc,DrawSketchHandler *handler)
{
if (doc) {
if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom
(SketcherGui::ViewProviderSketch::getClassTypeId()))
dynamic_cast<SketcherGui::ViewProviderSketch*>
(doc->getInEdit())->activateHandler(handler);
}
}
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;
}
/* Sketch commands =======================================================*/
/* XPM */
static const char *cursor_createline[]={
"32 32 3 1",
"+ c white",
"# c red",
". c None",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"................................",
"+++++...+++++...................",
"................................",
"......+...............###.......",
"......+...............#.#.......",
"......+...............###.......",
"......+..............#..........",
"......+.............#...........",
"....................#...........",
"...................#............",
"..................#.............",
"..................#.............",
".................#..............",
"................#...............",
"................#...............",
"...............#................",
"..............#.................",
"..............#.................",
".............#..................",
"..........###...................",
"..........#.#...................",
"..........###...................",
"................................",
"................................",
"................................",
"................................",
"................................"};
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 *sketchgui)
{
setCursor(QPixmap(cursor_createline),7,7);
}
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)
{
if (Mode==STATUS_End){
unsetCursor();
resetPositionText();
Gui::Command::openCommand("Add sketch line");
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[0].fX,EditCurve[0].fY,EditCurve[1].fX,EditCurve[1].fY);
Gui::Command::commitCommand();
Gui::Command::updateActive();
// add auto constraints for the line segment start
if (sugConstr1.size() > 0) {
createAutoConstraints(sugConstr1, getHighestCurveIndex(), Sketcher::start);
sugConstr1.clear();
}
// add auto constraints for the line segment end
if (sugConstr2.size() > 0) {
createAutoConstraints(sugConstr2, getHighestCurveIndex(), Sketcher::end);
sugConstr2.clear();
}
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
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_A(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 = sToolTipText;
sStatusTip = sToolTipText;
sPixmap = "Sketcher_CreateLine";
sAccel = "L";
eType = ForEdit;
}
void CmdSketcherCreateLine::activated(int iMsg)
{
ActivateHandler(getActiveGuiDocument(),new DrawSketchHandlerLine() );
}
bool CmdSketcherCreateLine::isActive(void)
{
return isCreateGeoActive(getActiveGuiDocument());
}
/* Create Box =======================================================*/
/* XPM */
static const char *cursor_createbox[]={
"32 32 3 1",
"+ c white",
"# c red",
". c None",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"................................",
"+++++...+++++...................",
"................................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"................................",
"................................",
"..........................###...",
"...........################.#...",
"...........#..............###...",
"...........#...............#....",
"...........#...............#....",
"...........#...............#....",
"...........#...............#....",
"...........#...............#....",
"...........#...............#....",
"..........###..............#....",
"..........#.################....",
"..........###...................",
"................................",
"................................",
"................................",
"................................",
"................................"};
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 *sketchgui)
{
setCursor(QPixmap(cursor_createbox),7,7);
}
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.fX - EditCurve[0].fX;
float dy = onSketchPos.fY - EditCurve[0].fY;
SbString text;
text.sprintf(" (%.1f x %.1f)", dx, dy);
setPositionText(onSketchPos, text);
EditCurve[2] = onSketchPos;
EditCurve[1] = Base::Vector2D(onSketchPos.fX ,EditCurve[0].fY);
EditCurve[3] = Base::Vector2D(EditCurve[0].fX,onSketchPos.fY);
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.fX ,EditCurve[0].fY);
EditCurve[3] = Base::Vector2D(EditCurve[0].fX,onSketchPos.fY);
sketchgui->drawEdit(EditCurve);
Mode = STATUS_End;
}
return true;
}
virtual bool releaseButton(Base::Vector2D onSketchPos)
{
if (Mode==STATUS_End){
unsetCursor();
resetPositionText();
Gui::Command::openCommand("Add sketch box");
int firstCurve = getHighestCurveIndex() + 1;
// add the four line geos
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[0].fX,EditCurve[0].fY,EditCurve[1].fX,EditCurve[1].fY);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[1].fX,EditCurve[1].fY,EditCurve[2].fX,EditCurve[2].fY);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[2].fX,EditCurve[2].fY,EditCurve[3].fX,EditCurve[3].fY);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[3].fX,EditCurve[3].fY,EditCurve[0].fX,EditCurve[0].fY);
// add the four coincidents to ty them together
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,2,%i,1)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve,firstCurve+1);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,2,%i,1)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+1,firstCurve+2);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,2,%i,1)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+2,firstCurve+3);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,2,%i,1)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+3,firstCurve);
// add the horizontal constraints
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Horizontal',%i)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Horizontal',%i)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+2);
// add the vertical constraints
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Vertical',%i)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+1);
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Vertical',%i)) "
,sketchgui->getObject()->getNameInDocument()
,firstCurve+3);
Gui::Command::commitCommand();
Gui::Command::updateActive();
// 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();
}
EditCurve.clear();
sketchgui->drawEdit(EditCurve);
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_A(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 = sToolTipText;
sStatusTip = sToolTipText;
sPixmap = "Sketcher_CreateRectangle";
sAccel = "R";
eType = ForEdit;
}
void CmdSketcherCreateRectangle::activated(int iMsg)
{
ActivateHandler(getActiveGuiDocument(),new DrawSketchHandlerBox() );
}
bool CmdSketcherCreateRectangle::isActive(void)
{
return isCreateGeoActive(getActiveGuiDocument());
}
// ======================================================================================
/* XPM */
static const char *cursor_createlineset[]={
"32 32 3 1",
"+ c white",
"# c red",
". c None",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"................................",
"+++++...+++++...................",
"................................",
"......+...............###.......",
"......+...............#.#.......",
"......+...............###.......",
"......+..............#..#.......",
"......+.............#....#......",
"....................#....#......",
"...................#......#.....",
"..................#.......#.....",
"..................#........#....",
".................#.........#....",
"................#..........###..",
"................#..........#.#..",
"......#........#...........###..",
".......#......#.................",
"........#.....#.................",
".........#...#..................",
"..........###...................",
"..........#.#...................",
"..........###...................",
"................................",
"................................",
"................................",
"................................",
"................................"};
class DrawSketchHandlerLineSet: public DrawSketchHandler
{
public:
DrawSketchHandlerLineSet()
: Mode(STATUS_SEEK_First),SegmentMode(SEGMENT_MODE_Line),
TransitionMode(TRANSITION_MODE_Free),suppressTransition(false),EditCurve(2),
firstCurve(-1),previousCurve(-1),
firstPosId(Sketcher::none),previousPosId(Sketcher::none) {}
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
};
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
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) + unexpexted 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 *sketchgui)
{
setCursor(QPixmap(cursor_createlineset),7,7);
}
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].ProjToLine(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].ProjToLine(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) {
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 torwards
// 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].fX;
double y1 = EditCurve[0].fY;
double x2 = x1 + Tangent.fX;
double y2 = y1 + Tangent.fY;
double x3 = onSketchPos.fX;
double y3 = onSketchPos.fY;
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.fY, -arcRadius * Tangent.fX);
double rx = EditCurve[0].fX - CenterPoint.fX;
double ry = EditCurve[0].fY - CenterPoint.fY;
startAngle = atan2(ry,rx);
double rxe = onSketchPos.fX - CenterPoint.fX;
double rye = onSketchPos.fY - CenterPoint.fY;
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;
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.fX + dx, CenterPoint.fY + 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
// 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;
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();
EditCurve.clear();
resetPositionText();
sketchgui->drawEdit(EditCurve);
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in ViewProvider
}
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) {
if (SegmentMode == SEGMENT_MODE_Line) {
// open the transaction
Gui::Command::openCommand("Add line to sketch wire");
// issue the geometry
Gui::Command::doCommand(Gui::Command::Doc,
"App.ActiveDocument.%s.addGeometry(Part.Line(App.Vector(%f,%f,0),App.Vector(%f,%f,0)))",
sketchgui->getObject()->getNameInDocument(),
EditCurve[0].fX,EditCurve[0].fY,EditCurve[1].fX,EditCurve[1].fY);
}
else if (SegmentMode == SEGMENT_MODE_Arc) { // We're dealing with an Arc
if (!boost::math::isnormal(arcRadius)) {
Mode = STATUS_SEEK_Second;
return true;
}
Gui::Command::openCommand("Add arc to sketch wire");
Gui::Command::doCommand(Gui::Command::Doc,
"App.ActiveDocument.%s.addGeometry(Part.ArcOfCircle"
"(Part.Circle(App.Vector(%f,%f,0),App.Vector(0,0,1),%f),%f,%f))",
sketchgui->getObject()->getNameInDocument(),
CenterPoint.fX, CenterPoint.fY, std::abs(arcRadius),
std::min(startAngle,endAngle), std::max(startAngle,endAngle));
}
// issue the constraint
if (previousPosId != Sketcher::none) {
int lastCurve = getHighestCurveIndex();
Sketcher::PointPos lastStartPosId = (SegmentMode == SEGMENT_MODE_Arc && startAngle > endAngle) ?
Sketcher::end : Sketcher::start;
Sketcher::PointPos lastEndPosId = (SegmentMode == SEGMENT_MODE_Arc && startAngle > endAngle) ?
Sketcher::start : Sketcher::end;
// in case of a tangency constraint, the coincident constraint is redundant
std::string constrType = "Coincident";
if (!suppressTransition && previousCurve != -1) {
if (TransitionMode == TRANSITION_MODE_Tangent)
constrType = "Tangent";
else if (TransitionMode == TRANSITION_MODE_Perpendicular_L ||
TransitionMode == TRANSITION_MODE_Perpendicular_R)
constrType = "Perpendicular";
}
Gui::Command::doCommand(Gui::Command::Doc,
"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('%s',%i,%i,%i,%i)) ",
sketchgui->getObject()->getNameInDocument(), constrType.c_str(),
previousCurve, previousPosId, lastCurve, lastStartPosId);
if (Mode == STATUS_Close) {
// close the loop by constrain to the first curve point
Gui::Command::doCommand(Gui::Command::Doc,
"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,%i,%i,%i)) ",
sketchgui->getObject()->getNameInDocument(),
lastCurve,lastEndPosId,firstCurve,firstPosId);
}
Gui::Command::commitCommand();
Gui::Command::updateActive();
}
if (Mode == STATUS_Close) {
if (sugConstr2.size() > 0) {
// exclude any coincidence constraints
std::vector<AutoConstraint> sugConstr;
for (unsigned int i=0; i < sugConstr2.size(); i++) {
if (sugConstr2[i].Type != Sketcher::Coincident)
sugConstr.push_back(sugConstr2[i]);
}
createAutoConstraints(sugConstr, getHighestCurveIndex(), Sketcher::end);
sugConstr2.clear();
}
unsetCursor();
EditCurve.clear();
resetPositionText();
sketchgui->drawEdit(EditCurve);
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in ViewProvider
}
else {
Gui::Command::commitCommand();
Gui::Command::updateActive();
// Add auto constraints
if (sugConstr1.size() > 0) { // this is relevant only to the very first point
createAutoConstraints(sugConstr1, getHighestCurveIndex(), Sketcher::start);
sugConstr1.clear();
}
if (sugConstr2.size() > 0) {
createAutoConstraints(sugConstr2, getHighestCurveIndex(), Sketcher::end);
sugConstr2.clear();
}
// remember the vertex for the next rounds constraint..
previousCurve = getHighestCurveIndex();
previousPosId = (SegmentMode == SEGMENT_MODE_Arc && startAngle > endAngle) ?
Sketcher::start : Sketcher::end; // cw arcs are rendered in reverse
// setup for the next line segment
// calculate dirVec and EditCurve[0]
updateTransitionData(previousCurve,previousPosId);
applyCursor();
Mode = STATUS_SEEK_Second;
if (SegmentMode == SEGMENT_MODE_Arc) {
TransitionMode = TRANSITION_MODE_Tangent;
EditCurve.resize(3);
EditCurve[2] = EditCurve[0];
}
else {
TransitionMode = TRANSITION_MODE_Free;
EditCurve.resize(2);
}
SegmentMode = SEGMENT_MODE_Line;
EditCurve[1] = EditCurve[0];
mouseMove(onSketchPos); // trigger an update of EditCurve
}
}
return true;
}
protected:
SELECT_MODE Mode;
SEGMENT_MODE SegmentMode;
TRANSITION_MODE TransitionMode;
bool suppressTransition;
std::vector<Base::Vector2D> EditCurve;
int firstCurve;
int previousCurve;
Sketcher::PointPos firstPosId;
Sketcher::PointPos previousPosId;
std::vector<AutoConstraint> sugConstr1, sugConstr2;
Base::Vector2D CenterPoint;
Base::Vector3d dirVec;
double startAngle, endAngle, arcRadius;
void updateTransitionData(int GeoId, Sketcher::PointPos PosId) {
// Use updated startPoint/endPoint as autoconstraints can modify the position
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(GeoId);
if (geom->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
const Part::GeomLineSegment *lineSeg = dynamic_cast<const Part::GeomLineSegment *>(geom);
dirVec.Set(lineSeg->getEndPoint().x - lineSeg->getStartPoint().x,
lineSeg->getEndPoint().y - lineSeg->getStartPoint().y,
0.f);
if (PosId == Sketcher::start) {
dirVec *= -1;
EditCurve[0] = Base::Vector2D(lineSeg->getStartPoint().x, lineSeg->getStartPoint().y);
}
else
EditCurve[0] = Base::Vector2D(lineSeg->getEndPoint().x, lineSeg->getEndPoint().y);
}
else if (geom->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) {
const Part::GeomArcOfCircle *arcSeg = dynamic_cast<const Part::GeomArcOfCircle *>(geom);
if (PosId == Sketcher::start) {
EditCurve[0] = Base::Vector2D(arcSeg->getStartPoint().x,arcSeg->getStartPoint().y);
dirVec = Base::Vector3d(0.f,0.f,-1.0) % (arcSeg->getStartPoint()-arcSeg->getCenter());
}
else {
EditCurve[0] = Base::Vector2D(arcSeg->getEndPoint().x,arcSeg->getEndPoint().y);
dirVec = Base::Vector3d(0.f,0.f,1.0) % (arcSeg->getEndPoint()-arcSeg->getCenter());
}
}
dirVec.Normalize();
}
};
DEF_STD_CMD_A(CmdSketcherCreatePolyline);
CmdSketcherCreatePolyline::CmdSketcherCreatePolyline()
: Command("Sketcher_CreatePolyline")
{
sAppModule = "Sketcher";
sGroup = QT_TR_NOOP("Sketcher");
sMenuText = QT_TR_NOOP("Create polyline");
sToolTipText = QT_TR_NOOP("Create a polyline in the sketch. 'M' Key cycles behaviour");
sWhatsThis = sToolTipText;
sStatusTip = sToolTipText;
sPixmap = "Sketcher_CreatePolyline";
eType = ForEdit;
}
void CmdSketcherCreatePolyline::activated(int iMsg)
{
ActivateHandler(getActiveGuiDocument(),new DrawSketchHandlerLineSet() );
}
bool CmdSketcherCreatePolyline::isActive(void)
{
return isCreateGeoActive(getActiveGuiDocument());
}
// ======================================================================================
/* XPM */
static const char *cursor_createarc[]={
"32 32 3 1",
"+ c white",
"# c red",
". c None",
"......+...........###...........",
"......+...........#.#...........",
"......+...........###...........",
"......+..............##.........",
"......+...............##........",
".......................#........",
"+++++...+++++...........#.......",
"........................##......",
"......+..................#......",
"......+..................#......",
"......+...................#.....",
"......+...................#.....",
"......+...................#.....",