Files
create/src/Mod/TechDraw/App/DrawProjGroup.cpp
2022-08-18 19:43:04 -04:00

1294 lines
49 KiB
C++

/***************************************************************************
* Copyright (c) 2013-2014 Luke Parry <l.parry@warwick.ac.uk> *
* Copyright (c) 2014 Joe Dowsett <dowsettjoe[at]yahoo[dot]co[dot]uk> *
* *
* 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 <sstream>
#include <QRectF>
#include <cmath>
#endif
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Dir.hxx>
#include <gp_Ax2.hxx>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/Part.h>
#include <Base/BoundBox.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Matrix.h>
#include <Base/Parameter.h>
#include "DrawUtil.h"
#include "Preferences.h"
#include "DrawPage.h"
#include "DrawProjGroupItem.h"
#include "DrawProjGroup.h"
#include <Mod/TechDraw/App/DrawProjGroupPy.h> // generated from DrawProjGroupPy.xml
using namespace TechDraw;
const char* DrawProjGroup::ProjectionTypeEnums[] = {"First Angle",
"Third Angle",
"Default", //Use Page setting
nullptr};
PROPERTY_SOURCE(TechDraw::DrawProjGroup, TechDraw::DrawViewCollection)
DrawProjGroup::DrawProjGroup()
{
static const char *group = "Base";
static const char *agroup = "Distribute";
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().GetGroup("BaseApp")->
GetGroup("Preferences")->GetGroup("Mod/TechDraw/General");
bool autoDist = hGrp->GetBool("AutoDist",true);
ADD_PROPERTY_TYPE(Source, (nullptr), group, App::Prop_None, "Shape to view");
Source.setScope(App::LinkScope::Global);
Source.setAllowExternal(true);
ADD_PROPERTY_TYPE(XSource, (nullptr), group,App::Prop_None, "External 3D Shape to view");
ADD_PROPERTY_TYPE(Anchor, (nullptr), group, App::Prop_None, "The root view to align projections with");
Anchor.setScope(App::LinkScope::Global);
ProjectionType.setEnums(ProjectionTypeEnums);
ADD_PROPERTY_TYPE(ProjectionType, ((long)getDefProjConv()), group,
App::Prop_None, "First or Third angle projection");
ADD_PROPERTY_TYPE(AutoDistribute, (autoDist), agroup,
App::Prop_None, "Distribute views automatically or manually");
ADD_PROPERTY_TYPE(spacingX, (15), agroup, App::Prop_None, "If AutoDistribute is on, this is the horizontal \nspacing between the borders of views \n(if label width is not wider than the object)");
ADD_PROPERTY_TYPE(spacingY, (15), agroup, App::Prop_None, "If AutoDistribute is on, this is the vertical \nspacing between the borders of views");
Rotation.setStatus(App::Property::Hidden, true); //DPG does not rotate
Caption.setStatus(App::Property::Hidden, true);
}
DrawProjGroup::~DrawProjGroup()
{
}
//TODO: this duplicates code in DVP
std::vector<App::DocumentObject*> DrawProjGroup::getAllSources() const
{
// Base::Console().Message("DPG::getAllSources()\n");
const std::vector<App::DocumentObject*> links = Source.getValues();
std::vector<DocumentObject*> xLinks;
XSource.getLinks(xLinks);
std::vector<App::DocumentObject*> result = links;
if (!xLinks.empty()) {
result.insert(result.end(), xLinks.begin(), xLinks.end());
}
return result;
}
void DrawProjGroup::onChanged(const App::Property* prop)
{
//TODO: For some reason, when the projection type is changed, the isometric views show change appropriately, but the orthographic ones don't... Or vice-versa. WF: why would you change from 1st to 3rd in mid drawing?
//if group hasn't been added to page yet, can't scale or distribute projItems
if (isRestoring() || !getPage()) {
return TechDraw::DrawViewCollection::onChanged(prop);
}
TechDraw::DrawPage *page = getPage();
if (prop == &Scale) {
updateChildrenScale();
recomputeChildren();
return;
}
if (prop == &ProjectionType) {
updateChildrenEnforce();
return;
}
if ( prop == &Source ||
prop == &XSource ) {
updateChildrenSource();
return;
}
if ( prop == &spacingX ||
prop == &spacingY ) {
updateChildrenEnforce();
return;
}
if (prop == &LockPosition) {
updateChildrenLock();
return;
}
if (prop == &ScaleType) {
if (ScaleType.isValue("Page")) {
double newScale = page->Scale.getValue();
if(std::abs(getScale() - newScale) > FLT_EPSILON) {
Scale.setValue(newScale);
updateChildrenScale();
}
}
}
// if ( ScaleType.isValue("Automatic") ||
// ScaleType.isValue("Custom") ){
// //just documenting that nothing is required here
// //DrawView::onChanged will sort out Scale hidden/readonly/etc
// }
if (prop == &Rotation) {
if (!DrawUtil::fpCompare(Rotation.getValue(),0.0)) {
Rotation.setValue(0.0);
purgeTouched();
Base::Console().Log("DPG: Projection Groups do not rotate. Change ignored.\n");
}
return;
}
TechDraw::DrawViewCollection::onChanged(prop);
}
App::DocumentObjectExecReturn *DrawProjGroup::execute()
{
// Base::Console().Message("DPG::execute() - %s - waitingForChildren: %d\n",
// getNameInDocument(), waitingForChildren());
if (!keepUpdated())
return App::DocumentObject::StdReturn;
//if group hasn't been added to page yet, can't scale or distribute projItems
if (!getPage())
return DrawViewCollection::execute();
if (!Anchor.getValue())
//no anchor yet. nothing to do.
return DrawViewCollection::execute();
if (waitingForChildren()) {
return DrawViewCollection::execute();
}
if (ScaleType.isValue("Automatic") && !checkFit()) {
if (!DrawUtil::fpCompare(getScale(), autoScale(), 0.00001)) {
Scale.setValue(autoScale());
//don't bother repositioning children since they will be
//recomputed at new scale
overrideKeepUpdated(false);
return DrawViewCollection::execute();
}
}
if (AutoDistribute.getValue()) {
autoPositionChildren();
}
overrideKeepUpdated(false);
return DrawViewCollection::execute();
}
short DrawProjGroup::mustExecute() const
{
short result = 0;
if (!isRestoring()) {
result = Views.isTouched() ||
Source.isTouched() ||
XSource.isTouched() ||
Scale.isTouched() ||
ScaleType.isTouched() ||
ProjectionType.isTouched() ||
Anchor.isTouched() ||
AutoDistribute.isTouched() ||
LockPosition.isTouched()||
spacingX.isTouched() ||
spacingY.isTouched();
}
if (result)
return result;
return TechDraw::DrawViewCollection::mustExecute();
}
void DrawProjGroup::reportReady()
{
// Base::Console().Message("DPG::reportReady - waitingForChildren: %d\n", waitingForChildren());
if (waitingForChildren()) {
//not ready yet
return;
}
//all the secondary views are ready so we can now figure out alignment
if (AutoDistribute.getValue()) {
recomputeFeature();
}
}
bool DrawProjGroup::waitingForChildren() const
{
for(const auto v : Views.getValues()) {
DrawProjGroupItem* dpgi = static_cast<DrawProjGroupItem*>(v);
if (dpgi->waitingForHlr() || //dpgi is still thinking
dpgi->isTouched()) { //dpgi needs to execute
return true;
}
}
return false;
}
TechDraw::DrawPage * DrawProjGroup::getPage() const
{
return findParentPage();
}
//does the unscaled DPG fit on the page?
bool DrawProjGroup::checkFit() const
{
// Base::Console().Message("DPG::checkFit() - %s\n", getNameInDocument());
if (waitingForChildren()) {
//assume everything fits since we don't know what size the chilren are
return true;
}
auto page = findParentPage();
if (!page)
throw Base::RuntimeError("No page is assigned to this feature");
return checkFit(page);
}
bool DrawProjGroup::checkFit(DrawPage* page) const
{
// Base::Console().Message("DPG::checkFit(page) - %s\n", getNameInDocument());
if (waitingForChildren()) {
return true;
}
QRectF bigBox = getRect(false);
if ( bigBox.width() <= page->getPageWidth() &&
bigBox.height() <= page->getPageHeight() ) {
return true;
}
return false;
}
//calculate a scale that fits all views on page
double DrawProjGroup::autoScale() const
{
// Base::Console().Message("DPG::autoScale() - %s\n", getNameInDocument());
auto page = findParentPage();
if (!page) {
throw Base::RuntimeError("No page is assigned to this feature");
}
return autoScale(page->getPageWidth(), page->getPageHeight());
}
double DrawProjGroup::autoScale(double w, double h) const
{
// Base::Console().Message("DPG::autoScale(%.3f, %.3f) - %s\n", w, h, getNameInDocument());
//get the space used by views + white space at 1:1 scale
QRectF bigBox = getRect(false); //unscaled box
double xScale = w / bigBox.width(); // > 1 page bigger than figure
double yScale = h / bigBox.height(); // < 1 page is smaller than figure
double newScale = std::min(xScale,yScale);
return DrawUtil::sensibleScale(newScale);
}
//returns the bounding rectangle of all the views in the current scale
QRectF DrawProjGroup::getRect() const
{
return getRect(true);
}
QRectF DrawProjGroup::getRect(bool scaled) const
{
// Base::Console().Message("DPG::getRect - views: %d\n", Views.getValues().size());
DrawProjGroupItem *viewPtrs[10];
arrangeViewPointers(viewPtrs);
double totalWidth, totalHeight;
getViewArea(viewPtrs, totalWidth, totalHeight, scaled);
double xSpace = spacingX.getValue() * 3.0;
double ySpace = spacingY.getValue() * 2.0;
double rectW = totalWidth + xSpace;
double rectH = totalHeight + ySpace;
double fudge = 1.2; //make rect a little big to make sure it fits
rectW *= fudge;
rectH *= fudge;
return QRectF(0,0,rectW,rectH);
}
//find area consumed by Views only - scaled or unscaled
void DrawProjGroup::getViewArea(DrawProjGroupItem *viewPtrs[10],
double &width, double &height,
bool scaled) const
{
// Get the child view bounding boxes
Base::BoundBox3d bboxes[10];
makeViewBbs(viewPtrs, bboxes, scaled);
//TODO: note that TLF/TRF/BLF,BRF extend a bit farther than a strict row/col arrangement would suggest.
//get widest view in each row/column
double col0w = std::max(std::max(bboxes[0].LengthX(), bboxes[3].LengthX()), bboxes[7].LengthX()),
col1w = std::max(std::max(bboxes[1].LengthX(), bboxes[4].LengthX()), bboxes[8].LengthX()),
col2w = std::max(std::max(bboxes[2].LengthX(), bboxes[5].LengthX()), bboxes[9].LengthX()),
col3w = bboxes[6].LengthX(),
row0h = std::max(std::max(bboxes[0].LengthY(), bboxes[1].LengthY()), bboxes[2].LengthY()),
row1h = std::max(std::max(bboxes[3].LengthY(), bboxes[4].LengthY()),
std::max(bboxes[5].LengthY(), bboxes[6].LengthY())),
row2h = std::max(std::max(bboxes[7].LengthY(), bboxes[8].LengthY()), bboxes[9].LengthY());
width = col0w + col1w + col2w + col3w;
height = row0h + row1h + row2h;
}
App::DocumentObject * DrawProjGroup::getProjObj(const char *viewProjType) const
{
for( auto it : Views.getValues() ) {
auto projPtr( dynamic_cast<DrawProjGroupItem *>(it) );
if (!projPtr) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::getProjObj - non DPGI entry in Views! %s / %s\n",
getNameInDocument(),viewProjType);
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else if(strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0 ) {
return it;
}
}
return nullptr;
}
DrawProjGroupItem* DrawProjGroup::getProjItem(const char *viewProjType) const
{
App::DocumentObject* docObj = getProjObj(viewProjType);
auto result( dynamic_cast<TechDraw::DrawProjGroupItem *>(docObj) );
if (!result && docObj) {
//should never have a item in DPG that is not a DPGI.
Base::Console().Log("PROBLEM - DPG::getProjItem finds non-DPGI in Group %s / %s\n",
getNameInDocument(),viewProjType);
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
}
return result;
}
bool DrawProjGroup::checkViewProjType(const char *in)
{
if ( strcmp(in, "Front") == 0 ||
strcmp(in, "Left") == 0 ||
strcmp(in, "Right") == 0 ||
strcmp(in, "Top") == 0 ||
strcmp(in, "Bottom") == 0 ||
strcmp(in, "Rear") == 0 ||
strcmp(in, "FrontTopLeft") == 0 ||
strcmp(in, "FrontTopRight") == 0 ||
strcmp(in, "FrontBottomLeft") == 0 ||
strcmp(in, "FrontBottomRight") == 0) {
return true;
}
return false;
}
//********************************
// ProjectionItem A/D/I
//********************************
bool DrawProjGroup::hasProjection(const char *viewProjType) const
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
if (!view) {
//should never have a item in DPG that is not a DPGI.
Base::Console().Log("PROBLEM - DPG::hasProjection finds non-DPGI in Group %s / %s\n",
getNameInDocument(),viewProjType);
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
}
if (strcmp(viewProjType, view->Type.getValueAsString()) == 0 ) {
return true;
}
}
return false;
}
App::DocumentObject * DrawProjGroup::addProjection(const char *viewProjType)
{
DrawProjGroupItem *view( nullptr );
std::pair<Base::Vector3d,Base::Vector3d> vecs;
DrawPage* dp = findParentPage();
if (!dp)
Base::Console().Error("DPG:addProjection - %s - DPG is not on a page!\n",getNameInDocument());
if ( checkViewProjType(viewProjType) && !hasProjection(viewProjType) ) {
std::string FeatName = getDocument()->getUniqueObjectName("ProjItem");
auto docObj( getDocument()->addObject( "TechDraw::DrawProjGroupItem", //add to Document
FeatName.c_str() ) );
view = dynamic_cast<TechDraw::DrawProjGroupItem *>(docObj);
if (!view && docObj) {
//should never happen that we create a DPGI that isn't a DPGI!!
Base::Console().Log("PROBLEM - DPG::addProjection - created a non DPGI! %s / %s\n",
getNameInDocument(),viewProjType);
throw Base::TypeError("Error: new projection is not a DPGI!");
}
if (view) { //coverity CID 151722
// the label must be set before the view is added
view->Label.setValue(viewProjType);
addView(view); //from DrawViewCollection
view->Source.setValues(Source.getValues());
// std::vector<DocumentObject*> xLinks;
// XSource.getLinks(xLinks);
// view->XSource.setValues(xLinks);
view->XSource.setValues(XSource.getValues());
// the Scale is already set by DrawView
view->Type.setValue(viewProjType);
if (strcmp(viewProjType, "Front") != 0 ) { //not Front!
vecs = getDirsFromFront(view);
view->Direction.setValue(vecs.first);
view->XDirection.setValue(vecs.second);
view->recomputeFeature();
} else { //Front
Anchor.setValue(view);
Anchor.purgeTouched();
requestPaint(); //make sure the group object is on the Gui page
view->LockPosition.setValue(true); //lock "Front" position within DPG (note not Page!).
view->LockPosition.setStatus(App::Property::ReadOnly,true); //Front should stay locked.
view->LockPosition.purgeTouched();
}
// addView(view); //from DrawViewCollection
// if (view != getAnchor()) { //anchor is done elsewhere
// view->recomputeFeature();
// }
}
}
return view;
}
//NOTE: projections can be deleted without using removeProjection - ie regular DocObject deletion process.
int DrawProjGroup::removeProjection(const char *viewProjType)
{
// TODO: shouldn't be able to delete "Front" unless deleting whole group
if (checkViewProjType(viewProjType)) {
if (!hasProjection(viewProjType)) {
throw Base::RuntimeError("The projection doesn't exist in the group");
}
// Iterate through the child views and find the projection type
for (auto it : Views.getValues()) {
auto projPtr( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
if (projPtr) {
if (strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0) {
removeView(projPtr); // Remove from collection
getDocument()->removeObject( it->getNameInDocument() ); // Remove from the document
return Views.getValues().size();
}
} else {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::removeProjection - tries to remove non DPGI! %s / %s\n",
getNameInDocument(),viewProjType);
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
}
}
}
return -1;
}
//removes all DPGI - used when deleting DPG
int DrawProjGroup::purgeProjections()
{
while (!Views.getValues().empty()) {
std::vector<DocumentObject*> views = Views.getValues();
DrawProjGroupItem* dpgi;
DocumentObject* dObj = views.back();
dpgi = dynamic_cast<DrawProjGroupItem*>(dObj);
if (dpgi) {
std::string itemName = dpgi->Type.getValueAsString();
removeProjection(itemName.c_str());
} else {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::purgeProjection - tries to remove non DPGI! %s\n",
getNameInDocument());
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
}
}
auto page = findParentPage();
if (page) {
page->requestPaint();
}
return Views.getValues().size();
}
std::pair<Base::Vector3d,Base::Vector3d> DrawProjGroup::getDirsFromFront(DrawProjGroupItem* view)
{
std::pair<Base::Vector3d,Base::Vector3d> result;
std::string viewType = view->Type.getValueAsString();
result = getDirsFromFront(viewType);
return result;
}
std::pair<Base::Vector3d,Base::Vector3d> DrawProjGroup::getDirsFromFront(std::string viewType)
{
// Base::Console().Message("DPG::getDirsFromFront(%s)\n", viewType.c_str());
std::pair<Base::Vector3d,Base::Vector3d> result;
Base::Vector3d projDir, rotVec;
DrawProjGroupItem* anch = getAnchor();
if (!anch) {
Base::Console().Warning("DPG::getDirsFromFront - %s - No Anchor!\n",Label.getValue());
throw Base::RuntimeError("Project Group missing Anchor projection item");
}
Base::Vector3d dirAnch = anch->Direction.getValue();
Base::Vector3d rotAnch = anch->getXDirection();
result = std::make_pair(dirAnch,rotAnch);
Base::Vector3d org(0.0,0.0,0.0);
gp_Ax2 anchorCS = anch->getProjectionCS(org);
gp_Pnt gOrg(0.0, 0.0, 0.0);
gp_Dir gDir = anchorCS.Direction();
gp_Dir gXDir = anchorCS.XDirection();
gp_Dir gYDir = anchorCS.YDirection();
gp_Ax1 gUpAxis(gOrg, gYDir);
gp_Ax2 newCS;
gp_Dir gNewDir;
gp_Dir gNewXDir;
double angle = M_PI / 2.0; //90*
if (viewType == "Right") {
newCS = anchorCS.Rotated(gUpAxis, angle);
projDir = dir2vec(newCS.Direction());
rotVec = dir2vec(newCS.XDirection());
} else if (viewType == "Left") {
newCS = anchorCS.Rotated(gUpAxis, -angle);
projDir = dir2vec(newCS.Direction());
rotVec = dir2vec(newCS.XDirection());
} else if (viewType == "Top") {
projDir = dir2vec(gYDir);
rotVec = dir2vec(gXDir);
} else if (viewType == "Bottom") {
projDir = dir2vec(gYDir.Reversed());
rotVec = dir2vec(gXDir);
} else if (viewType == "Rear") {
projDir = dir2vec(gDir.Reversed());
rotVec = dir2vec(gXDir.Reversed());
} else if (viewType == "FrontTopLeft") {
gp_Dir newDir = gp_Dir(gp_Vec(gDir) -
gp_Vec(gXDir) +
gp_Vec(gYDir));
projDir = dir2vec(newDir);
gp_Dir newXDir = gp_Dir(gp_Vec(gXDir) +
gp_Vec(gDir));
rotVec = dir2vec(newXDir);
} else if (viewType == "FrontTopRight") {
gp_Dir newDir = gp_Dir(gp_Vec(gDir) +
gp_Vec(gXDir) +
gp_Vec(gYDir));
projDir = dir2vec(newDir);
gp_Dir newXDir = gp_Dir(gp_Vec(gXDir) -
gp_Vec(gDir));
rotVec = dir2vec(newXDir);
} else if (viewType == "FrontBottomLeft") {
gp_Dir newDir = gp_Dir(gp_Vec(gDir) -
gp_Vec(gXDir) -
gp_Vec(gYDir));
projDir = dir2vec(newDir);
gp_Dir newXDir = gp_Dir(gp_Vec(gXDir) +
gp_Vec(gDir));
rotVec = dir2vec(newXDir);
} else if (viewType == "FrontBottomRight") {
gp_Dir newDir = gp_Dir(gp_Vec(gDir) +
gp_Vec(gXDir) -
gp_Vec(gYDir));
projDir = dir2vec(newDir);
gp_Dir newXDir = gp_Dir(gp_Vec(gXDir) -
gp_Vec(gDir));
rotVec = dir2vec(newXDir);
} else {
Base::Console().Error("DrawProjGroup - %s unknown projection: %s\n",getNameInDocument(),viewType.c_str());
return result;
}
result = std::make_pair(projDir,rotVec);
return result;
}
Base::Vector3d DrawProjGroup::dir2vec(gp_Dir d)
{
Base::Vector3d result(d.X(),
d.Y(),
d.Z());
return result;
}
gp_Dir DrawProjGroup::vec2dir(Base::Vector3d v)
{
gp_Dir result(v.x,
v.y,
v.z);
return result;
}
//this can be improved. this implementation positions views too far apart.
Base::Vector3d DrawProjGroup::getXYPosition(const char *viewTypeCStr)
{
// Base::Console().Message("DPG::getXYPosition(%s)\n",Label.getValue());
Base::Vector3d result(0.0,0.0,0.0);
//Front view position is always (0,0)
if (strcmp(viewTypeCStr, "Front") == 0 ) { // Front!
return result;
}
const int idxCount = 10;
DrawProjGroupItem *viewPtrs[idxCount];
arrangeViewPointers(viewPtrs);
int viewIndex = getViewIndex(viewTypeCStr);
//TODO: bounding boxes do not take view orientation into account
// i.e. X&Y widths might be swapped on page
if (viewPtrs[viewIndex]->LockPosition.getValue()) {
result.x = viewPtrs[viewIndex]->X.getValue();
result.y = viewPtrs[viewIndex]->Y.getValue();
return result;
}
if (AutoDistribute.getValue()) {
std::vector<Base::Vector3d> position(idxCount);
// Calculate bounding boxes for each displayed view
Base::BoundBox3d bboxes[10];
makeViewBbs(viewPtrs, bboxes); //scaled
double xSpacing = spacingX.getValue(); //in mm, no scale
double ySpacing = spacingY.getValue(); //in mm, no scale
double bigRow = 0.0;
double bigCol = 0.0;
int ibbx = 0;
for (auto& b: bboxes) { //space based on width/height of biggest view
if (!b.IsValid()) {
Base::Console().Message("DVP::getXYPos - bbox %d is not valid!\n", ibbx);
continue;
}
if (b.LengthX() > bigCol) {
bigCol = b.LengthX();
}
if (b.LengthY() > bigRow) {
bigRow = b.LengthY();
}
ibbx++;
}
//if we have iso's, make sure they fit the grid.
if (viewPtrs[0] || viewPtrs[2] || viewPtrs[7] || viewPtrs[9]) {
bigCol = std::max(bigCol,bigRow);
bigRow = bigCol;
}
if (viewPtrs[4] && //Front
bboxes[4].IsValid()) {
position[4].x = 0.0;
position[4].y = 0.0;
}
if (viewPtrs[3] && // L/R (third/first)
bboxes[3].IsValid() &&
bboxes[4].IsValid()) {
position[3].x = -(xSpacing + bigCol);
position[3].y = 0.0;
}
if (viewPtrs[5] && // R/L (third/first)
bboxes[5].IsValid() &&
bboxes[4].IsValid()) {
position[5].x = xSpacing + bigCol;
position[5].y = 0.0;
}
if (viewPtrs[6] &&
bboxes[6].IsValid()) { //"Rear"
if (viewPtrs[5] &&
bboxes[5].IsValid()) {
//there is a view between Front and Rear
position[6].x = 2.0 * (xSpacing + bigCol);
position[6].y = 0.0;
} else if (viewPtrs[4] &&
bboxes[4].IsValid()) {
// there is no view between Front and Rear
position[6].x = xSpacing + bigCol;
position[6].y = 0.0;
}
}
if (viewPtrs[1] && // T/B (third/first)
bboxes[1].IsValid() &&
bboxes[4].IsValid()) {
position[1].x = 0.0;
position[1].y = ySpacing + bigRow;
}
if (viewPtrs[8] && // B/T (third/first)
bboxes[8].IsValid() &&
bboxes[4].IsValid()) {
position[8].x = 0.0;
position[8].y = -(ySpacing + bigRow);
}
if (viewPtrs[0] && // iso top left
bboxes[0].IsValid()) {
position[0].x = -(xSpacing + bigCol);
position[0].y = ySpacing + bigRow;
}
if (viewPtrs[2] && // iso top right
bboxes[2].IsValid()) {
position[2].x = xSpacing + bigCol;
position[2].y = ySpacing + bigRow;
}
if (viewPtrs[7] && // iso bottom left
bboxes[7].IsValid()) {
position[7].x = -(xSpacing + bigCol);
position[7].y = -(ySpacing + bigRow);
}
if (viewPtrs[9] && // iso bottom right
bboxes[9].IsValid()) {
position[9].x = xSpacing + bigCol;;
position[9].y = -(ySpacing + bigRow);
}
result.x = position[viewIndex].x;
result.y = position[viewIndex].y;
} else {
result.x = viewPtrs[viewIndex]->X.getValue();
result.y = viewPtrs[viewIndex]->Y.getValue();
}
return result;
}
int DrawProjGroup::getViewIndex(const char *viewTypeCStr) const
{
int result = 4; //default to front view's position
// Determine layout - should be either "First Angle" or "Third Angle"
const char* projType;
DrawPage* dp = findParentPage();
if (ProjectionType.isValue("Default")) {
if (dp) {
projType = dp->ProjectionType.getValueAsString();
} else {
Base::Console().Warning("DPG: %s - can not find parent page. Using default Projection Type. (1)\n",
getNameInDocument());
int projConv = getDefProjConv();
projType = ProjectionTypeEnums[projConv];
}
} else {
projType = ProjectionType.getValueAsString();
}
if ( strcmp(projType, "Third Angle") == 0 ||
strcmp(projType, "First Angle") == 0 ) {
// Third Angle: FTL T FTRight 0 1 2
// L F Right Rear 3 4 5 6
// FBL B FBRight 7 8 9
//
// First Angle: FBRight B FBL 0 1 2
// Right F L Rear 3 4 5 6
// FTRight T FTL 7 8 9
bool thirdAngle = (strcmp(projType, "Third Angle") == 0);
if (strcmp(viewTypeCStr, "Front") == 0) {
result = 4;
} else if (strcmp(viewTypeCStr, "Left") == 0) {
result = thirdAngle ? 3 : 5;
} else if (strcmp(viewTypeCStr, "Right") == 0) {
result = thirdAngle ? 5 : 3;
} else if (strcmp(viewTypeCStr, "Top") == 0) {
result = thirdAngle ? 1 : 8;
} else if (strcmp(viewTypeCStr, "Bottom") == 0) {
result = thirdAngle ? 8 : 1;
} else if (strcmp(viewTypeCStr, "Rear") == 0) {
result = 6;
} else if (strcmp(viewTypeCStr, "FrontTopLeft") == 0) {
result = thirdAngle ? 0 : 9;
} else if (strcmp(viewTypeCStr, "FrontTopRight") == 0) {
result = thirdAngle ? 2 : 7;
} else if (strcmp(viewTypeCStr, "FrontBottomLeft") == 0) {
result = thirdAngle ? 7 : 2;
} else if (strcmp(viewTypeCStr, "FrontBottomRight") == 0) {
result = thirdAngle ? 9 : 0;
} else {
throw Base::TypeError("Unknown view type in DrawProjGroup::getViewIndex()");
}
} else {
throw Base::ValueError("Unknown Projection convention in DrawProjGroup::getViewIndex()");
}
return result;
}
void DrawProjGroup::arrangeViewPointers(DrawProjGroupItem *viewPtrs[10]) const
{
for (int i=0; i<10; ++i) {
viewPtrs[i] = nullptr;
}
// Determine layout - should be either "First Angle" or "Third Angle"
const char* projType;
if (ProjectionType.isValue("Default")) {
DrawPage* dp = findParentPage();
if (dp) {
projType = dp->ProjectionType.getValueAsString();
} else {
Base::Console().Error("DPG:arrangeViewPointers - %s - DPG is not on a page!\n",
getNameInDocument());
Base::Console().Warning("DPG:arrangeViewPointers - using system default Projection Type\n",
getNameInDocument());
int projConv = getDefProjConv();
projType = ProjectionTypeEnums[projConv + 1];
}
} else {
projType = ProjectionType.getValueAsString();
}
// Iterate through views and populate viewPtrs
if ( strcmp(projType, "Third Angle") == 0 ||
strcmp(projType, "First Angle") == 0 ) {
// Third Angle: FTL T FTRight 0 1 2
// L F Right Rear 3 4 5 6
// FBL B FBRight 7 8 9
//
// First Angle: FBRight B FBL 0 1 2
// Right F L Rear 3 4 5 6
// FTRight T FTL 7 8 9
bool thirdAngle = (strcmp(projType, "Third Angle") == 0);
for (auto it : Views.getValues()) {
auto oView( dynamic_cast<DrawProjGroupItem *>(it) );
if (!oView) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::arrangeViewPointers - non DPGI in Views! %s\n",
getNameInDocument());
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
const char *viewTypeCStr = oView->Type.getValueAsString();
if (strcmp(viewTypeCStr, "Front") == 0) {
//viewPtrs[thirdAngle ? 4 : 4] = oView;
viewPtrs[4] = oView;
} else if (strcmp(viewTypeCStr, "Left") == 0) {
viewPtrs[thirdAngle ? 3 : 5] = oView;
} else if (strcmp(viewTypeCStr, "Right") == 0) {
viewPtrs[thirdAngle ? 5 : 3] = oView;
} else if (strcmp(viewTypeCStr, "Top") == 0) {
viewPtrs[thirdAngle ? 1 : 8] = oView;
} else if (strcmp(viewTypeCStr, "Bottom") == 0) {
viewPtrs[thirdAngle ? 8 : 1] = oView;
} else if (strcmp(viewTypeCStr, "Rear") == 0) {
viewPtrs[6] = oView;
} else if (strcmp(viewTypeCStr, "FrontTopLeft") == 0) {
viewPtrs[thirdAngle ? 0 : 9] = oView;
} else if (strcmp(viewTypeCStr, "FrontTopRight") == 0) {
viewPtrs[thirdAngle ? 2 : 7] = oView;
} else if (strcmp(viewTypeCStr, "FrontBottomLeft") == 0) {
viewPtrs[thirdAngle ? 7 : 2] = oView;
} else if (strcmp(viewTypeCStr, "FrontBottomRight") == 0) {
viewPtrs[thirdAngle ? 9 : 0] = oView;
} else {
Base::Console().Warning("DPG: %s - unknown view type: %s. \n",
getNameInDocument(),viewTypeCStr);
throw Base::TypeError("Unknown view type in DrawProjGroup::arrangeViewPointers.");
}
}
}
} else {
Base::Console().Warning("DPG: %s - unknown Projection convention: %s\n",getNameInDocument(),projType);
throw Base::ValueError("Unknown Projection convention in DrawProjGroup::arrangeViewPointers");
}
}
void DrawProjGroup::makeViewBbs(DrawProjGroupItem *viewPtrs[10],
Base::BoundBox3d bboxes[10],
bool scaled) const
{
Base::BoundBox3d empty(Base::Vector3d(0.0, 0.0, 0.0), 0.0);
for (int i = 0; i < 10; ++i) {
bboxes[i] = empty;
if (viewPtrs[i]) {
bboxes[i] = viewPtrs[i]->getBoundingBox();
if (!scaled) {
double scale = 1.0 / viewPtrs[i]->getScale(); //convert bbx to 1:1 scale
// double scale = 1.0 / viewPtrs[i]->getLastScale(); //convert bbx to 1:1 scale
bboxes[i].ScaleX(scale);
bboxes[i].ScaleY(scale);
bboxes[i].ScaleZ(scale);
}
}
}
}
void DrawProjGroup::recomputeChildren()
{
// Base::Console().Message("DPG::recomputeChildren() - waiting: %d\n", waitingForChildren());
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
view->recomputeFeature();
}
}
}
void DrawProjGroup::autoPositionChildren()
{
// Base::Console().Message("DPG::autoPositionChildren() - %s - waiting: %d\n",
// getNameInDocument(), waitingForChildren());
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
view->autoPosition();
}
}
}
/*!
* tell children DPGIs that parent DPG has changed Scale
*/
void DrawProjGroup::updateChildrenScale()
{
// Base::Console().Message("DPG::updateChildrenScale() - waiting: %d\n", waitingForChildren());
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
view->Scale.setValue(getScale());
view->Scale.purgeTouched();
view->purgeTouched();
}
}
}
/*!
* tell children DPGIs that parent DPG has changed Source
*/
void DrawProjGroup::updateChildrenSource()
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::updateChildrenSource - non DPGI entry in Views! %s\n",
getNameInDocument());
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
if (view->Source.getValues() != Source.getValues()) {
view->Source.setValues(Source.getValues());
}
if (view->XSource.getValues() != XSource.getValues()) {
view->XSource.setValues(XSource.getValues());
}
}
}
}
/*!
* tell children DPGIs that parent DPG has changed LockPosition
* (really for benefit of QGIV on Gui side)
*/
void DrawProjGroup::updateChildrenLock()
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::updateChildrenLock - non DPGI entry in Views! %s\n",
getNameInDocument());
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
view->requestPaint();
}
}
}
void DrawProjGroup::updateChildrenEnforce(void)
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if (!view) {
//if an element in Views is not a DPGI, something really bad has happened somewhere
Base::Console().Log("PROBLEM - DPG::updateChildrenEnforce - non DPGI entry in Views! %s\n",
getNameInDocument());
throw Base::TypeError("Error: projection in DPG list is not a DPGI!");
} else {
view->enforceRecompute();
}
}
}
App::Enumeration DrawProjGroup::usedProjectionType()
{
//TODO: Would've been nice to have an Enumeration(const PropertyEnumeration &) constructor
App::Enumeration ret(ProjectionTypeEnums, ProjectionType.getValueAsString());
if (ret.isValue("Default")) {
TechDraw::DrawPage * page = getPage();
if (page) {
ret.setValue(page->ProjectionType.getValueAsString());
}
}
return ret;
}
bool DrawProjGroup::hasAnchor()
{
bool result = false;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj) {
result = true;
}
return result;
}
TechDraw::DrawProjGroupItem* DrawProjGroup::getAnchor()
{
DrawProjGroupItem* result = nullptr;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj) {
result = static_cast<DrawProjGroupItem*>(docObj);
}
return result;
}
void DrawProjGroup::setAnchorDirection(const Base::Vector3d dir)
{
App::DocumentObject* docObj = Anchor.getValue();
DrawProjGroupItem* item = static_cast<DrawProjGroupItem*>(docObj);
item->Direction.setValue(dir);
}
Base::Vector3d DrawProjGroup::getAnchorDirection()
{
Base::Vector3d result;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj) {
DrawProjGroupItem* item = static_cast<DrawProjGroupItem*>(docObj);
result = item->Direction.getValue();
} else {
Base::Console().Log("ERROR - DPG::getAnchorDir - no Anchor!!\n");
}
return result;
}
//*************************************
//* view direction manipulation routines
//*************************************
//note: must calculate all the new directions before applying any of them or
// the process will get confused.
void DrawProjGroup::updateSecondaryDirs()
{
DrawProjGroupItem* anchor = getAnchor();
Base::Vector3d anchDir = anchor->Direction.getValue();
Base::Vector3d anchRot = anchor->getXDirection();
std::map<std::string, std::pair<Base::Vector3d,Base::Vector3d> > saveVals;
std::string key;
std::pair<Base::Vector3d, Base::Vector3d> data;
for (auto& docObj: Views.getValues()) {
std::pair<Base::Vector3d,Base::Vector3d> newDirs;
std::string pic;
DrawProjGroupItem* v = static_cast<DrawProjGroupItem*>(docObj);
ProjItemType t = static_cast<ProjItemType>(v->Type.getValue());
switch (t) {
case Front :
data.first = anchDir;
data.second = anchRot;
key = "Front";
saveVals[key] = data;
break;
case Rear :
key = "Rear";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case Left :
key = "Left";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case Right :
key = "Right";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case Top :
key = "Top";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case Bottom :
key = "Bottom";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case FrontTopLeft :
key = "FrontTopLeft";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case FrontTopRight :
key = "FrontTopRight";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case FrontBottomLeft :
key = "FrontBottomLeft";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
case FrontBottomRight :
key = "FrontBottomRight";
newDirs = getDirsFromFront(key);
saveVals[key] = newDirs;
break;
default: {
//TARFU invalid secondary type
Base::Console().Message("ERROR - DPG::updateSecondaryDirs - invalid projection type\n");
}
}
}
for (auto& docObj: Views.getValues()) {
DrawProjGroupItem* v = static_cast<DrawProjGroupItem*>(docObj);
std::string type = v->Type.getValueAsString();
data = saveVals[type];
v->Direction.setValue(data.first);
v->Direction.purgeTouched();
v->XDirection.setValue(data.second);
v->XDirection.purgeTouched();
}
recomputeChildren();
}
void DrawProjGroup::rotate(const std::string &rotationdirection) {
std::pair<Base::Vector3d,Base::Vector3d> newDirs;
if(rotationdirection == "Right") newDirs = getDirsFromFront("Left"); // Front -> Right -> Rear -> Left -> Front
else if(rotationdirection == "Left") newDirs = getDirsFromFront("Right"); // Front -> Left -> Rear -> Right -> Front
else if(rotationdirection == "Up") newDirs = getDirsFromFront("Bottom"); // Front -> Top -> Rear -> Bottom -> Front
else if(rotationdirection == "Down") newDirs = getDirsFromFront("Top"); // Front -> Bottom -> Rear -> Top -> Front
DrawProjGroupItem* anchor = getAnchor();
anchor->Direction.setValue(newDirs.first);
anchor->XDirection.setValue(newDirs.second);
updateSecondaryDirs();
}
void DrawProjGroup::spin(const std::string &spindirection)
{
double angle;
if(spindirection == "CW") angle = M_PI / 2.0; // Top -> Right -> Bottom -> Left -> Top
if(spindirection == "CCW") angle = - M_PI / 2.0; // Top -> Left -> Bottom -> Right -> Top
DrawProjGroupItem* anchor = getAnchor();
Base::Vector3d org(0.0,0.0,0.0);
Base::Vector3d curRot = anchor->getXDirection();
Base::Vector3d curDir = anchor->Direction.getValue();
Base::Vector3d newRot = DrawUtil::vecRotate(curRot,angle,curDir,org);
anchor->XDirection.setValue(newRot);
updateSecondaryDirs();
}
std::vector<DrawProjGroupItem*> DrawProjGroup::getViewsAsDPGI()
{
std::vector<DrawProjGroupItem*> result;
auto views = Views.getValues();
for (auto& v:views) {
DrawProjGroupItem* item = static_cast<DrawProjGroupItem*>(v);
result.push_back(item);
}
return result;
}
int DrawProjGroup::getDefProjConv() const
{
return Preferences::projectionAngle();
}
/*!
*dumps the current iso DPGI's
*/
void DrawProjGroup::dumpISO(const char * title)
{
Base::Console().Message("DPG ISO: %s\n", title);
for (auto& docObj: Views.getValues()) {
Base::Vector3d dir;
Base::Vector3d axis;
DrawProjGroupItem* v = static_cast<DrawProjGroupItem*>(docObj);
std::string t = v->Type.getValueAsString();
dir = v->Direction.getValue();
axis = v->getXDirection();
Base::Console().Message("%s: %s/%s\n",
t.c_str(),DrawUtil::formatVector(dir).c_str(),DrawUtil::formatVector(axis).c_str());
}
}
PyObject *DrawProjGroup::getPyObject()
{
if (PythonObject.is(Py::_None())) {
// ref counter is set to 1
PythonObject = Py::Object(new DrawProjGroupPy(this),true);
}
return Py::new_reference_to(PythonObject);
}
void DrawProjGroup::handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property *prop)
// transforms properties that had been changed
{
// also check for changed properties of the base class
DrawView::handleChangedPropertyType(reader, TypeName, prop);
// property spacingX/Y had the App::PropertyFloat and were changed to App::PropertyLength
if ((prop == &spacingX) && (strcmp(TypeName, "App::PropertyFloat") == 0)) {
App::PropertyFloat spacingXProperty;
// restore the PropertyFloat to be able to set its value
spacingXProperty.Restore(reader);
spacingX.setValue(spacingXProperty.getValue());
}
else if ((prop == &spacingY) && (strcmp(TypeName, "App::PropertyFloat") == 0)) {
App::PropertyFloat spacingYProperty;
spacingYProperty.Restore(reader);
spacingY.setValue(spacingYProperty.getValue());
}
}