Add Mod/TechDraw/App
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WandererFan
173
src/Mod/TechDraw/App/DrawProjGroup.h
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173
src/Mod/TechDraw/App/DrawProjGroup.h
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/***************************************************************************
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* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef _TECHDRAW_FEATUREVIEWGROUP_H_
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#define _TECHDRAW_FEATUREVIEWGROUP_H_
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#include <App/DocumentObject.h>
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#include <App/PropertyStandard.h>
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#include <App/FeaturePython.h>
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#include <Base/BoundBox.h>
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#include <Base/Matrix.h>
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#include "DrawViewCollection.h"
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#include "DrawProjGroupItem.h"
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namespace TechDraw
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{
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/**
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* Class super-container for managing a collection of DrawProjGroupItem
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* Page Features
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*/
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class DrawingExport DrawProjGroup : public TechDraw::DrawViewCollection
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{
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PROPERTY_HEADER(TechDraw::DrawProjGroup);
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public:
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/// Constructor
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DrawProjGroup();
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~DrawProjGroup();
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App::PropertyEnumeration ProjectionType;
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/// Default horizontal spacing between adjacent views on Drawing, in mm
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App::PropertyFloat spacingX;
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/// Default vertical spacing between adjacent views on Drawing, in mm
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App::PropertyFloat spacingY;
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/// Transforms Direction and XAxisDirection vectors in child views
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App::PropertyMatrix viewOrientationMatrix;
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App::PropertyLink Anchor; /// Anchor Element to align views to
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Base::BoundBox3d getBoundingBox() const;
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double calculateAutomaticScale() const;
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/// Check if container has a view of a specific type
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bool hasProjection(const char *viewProjType) const;
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App::DocumentObject * getProjObj(const char *viewProjType) const;
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//! Adds a projection to the group
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/*!
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* \return pointer to the new view
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*/
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App::DocumentObject * addProjection(const char *viewProjType);
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//! Removes a projection from the group
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/*!
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* \return number of projections remaining
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*/
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int removeProjection(const char *viewProjType);
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/// Automatically position child views
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bool distributeProjections(void);
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/// Changes child views' coordinate space
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/*!
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* Used to set the Direction and XAxisDirection in child views
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*/
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void setFrontViewOrientation(const Base::Matrix4D &newMat);
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short mustExecute() const;
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/** @name methods overide Feature */
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//@{
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/// recalculate the Feature
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virtual void onDocumentRestored();
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virtual App::DocumentObjectExecReturn *execute(void);
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//@}
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/// returns the type name of the ViewProvider
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virtual const char* getViewProviderName(void) const {
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return "TechDrawGui::ViewProviderProjGroup";
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}
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/// Determines either "First Angle" or "Third Angle".
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App::Enumeration usedProjectionType(void);
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/// Allowed projection types - either Document, First Angle or Third Angle
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static const char* ProjectionTypeEnums[];
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protected:
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void onChanged(const App::Property* prop);
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//! Moves anchor view to keep our bounding box centre on the origin
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void moveToCentre();
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/// Annoying helper - keep in sync with DrawProjGroupItem::TypeEnums
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/*!
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* \TODO See note regarding App::PropertyEnumeration on my wiki page http://freecadweb.org/wiki/index.php?title=User:Ian.rees
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* \return true iff 'in' is a valid name for an orthographic/isometric view
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*/
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bool checkViewProjType(const char *in);
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/// Sets Direction and XAxisDirection in v
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/*!
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* Applies viewOrientationMatrix to appropriate unit vectors depending on projType
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*/
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void setViewOrientation(DrawProjGroupItem *v, const char *projType) const;
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/// Populates an array of DrawProjGroupItem*s arranged for drawing
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/*!
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* Setup array of pointers to the views that we're displaying,
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* assuming front is in centre (index 4):
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* <pre>
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* [0] [1] [2]
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* [3] [4] [5] [6]
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* [7] [8] [9]
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*
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* Third Angle: FTL T FTRight
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* L F Right Rear
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* FBL B FBRight
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*
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* First Angle: FBRight B FBL
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* Right F L Rear
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* FTRight T FTL
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* </pre>
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*/
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void arrangeViewPointers(DrawProjGroupItem *viewPtrs[10]) const;
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/// Populates array of 10 BoundBox3d's given DrawProjGroupItem *s
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/*!
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* If documentScale is set, then returned bounding boxes are scaled as in
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* the Drawing. Otherwise, the dimensions are as in object space.
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*/
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void makeViewBbs(DrawProjGroupItem *viewPtrs[10],
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Base::BoundBox3d bboxes[10],
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bool documentScale = true) const;
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/// Helper for calculateAutomaticScale
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/*!
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* Returns a width and height in object-space scale, for the enabled views
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* without accounting for their actual X and Y positions or borders.
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*/
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void minimumBbViews(DrawProjGroupItem *viewPtrs[10],
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double &width, double &height) const;
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/// Returns pointer to our page, or NULL if it couldn't be located
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TechDraw::DrawPage * getPage(void) const;
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};
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} //namespace TechDraw
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#endif // _TECHDRAW_FEATUREVIEWGROUP_H_
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