Added 0000145 : Drawing clip objects

2012-05-16 16:31:02 -03:00
parent e4b0ef57c6
commit 5eb163b060
11 changed files with 955 additions and 3 deletions
--- a/src/Mod/Drawing/App/FeatureClip.cpp
+++ b/src/Mod/Drawing/App/FeatureClip.cpp
@@ -0,0 +1,111 @@
+/***************************************************************************
+ *   Copyright (c) Yorik van Havre <yorik@uncreated.net> 2012              *
+ *                                                                         *
+ *   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>
+#endif
+
+
+#include <Base/Exception.h>
+#include <Base/Console.h>
+#include <Base/FileInfo.h>
+#include <App/Application.h>
+#include <boost/regex.hpp>
+#include <iostream>
+
+#include "FeatureClip.h"
+#include "FeatureView.h"
+
+using namespace Drawing;
+using namespace std;
+
+
+//===========================================================================
+// FeaturePage
+//===========================================================================
+
+PROPERTY_SOURCE(Drawing::FeatureClip, App::DocumentObjectGroup)
+
+FeatureClip::FeatureClip(void) 
+{
+    static const char *group = "Drawing view";
+    App::PropertyType hidden = (App::PropertyType)(App::Prop_Hidden);
+    ADD_PROPERTY_TYPE(ViewResult ,(""),group,hidden,"Resulting SVG view of this clip");
+    ADD_PROPERTY_TYPE(X          ,(10),group,App::Prop_None  ,"The left margin of the view area of this clip");
+    ADD_PROPERTY_TYPE(Y          ,(10),group,App::Prop_None  ,"The top margin of the view area of this clip");
+    ADD_PROPERTY_TYPE(Height     ,(10),group,App::Prop_None  ,"The height of the view area of this clip");
+    ADD_PROPERTY_TYPE(Width      ,(10),group,App::Prop_None  ,"The width of the view area of this clip");
+    ADD_PROPERTY_TYPE(ShowFrame  ,(0),group,App::Prop_None,"Specifies if the clip frame appears on the page or not");
+}
+
+FeatureClip::~FeatureClip()
+{
+}
+
+/// get called by the container when a Property was changed
+void FeatureClip::onChanged(const App::Property* prop)
+{
+    App::DocumentObjectGroup::onChanged(prop);
+}
+
+App::DocumentObjectExecReturn *FeatureClip::execute(void)
+{
+    ostringstream svg;
+
+    // creating clip path
+    svg << "<clipPath id=\"" << Label.getValue() << "\">"
+        << "<rect x=\"" << X.getValue() << "\""
+        << " y=\"" << Y.getValue() << "\""
+        << " width=\"" << Width.getValue() << "\""
+        << " height=\"" << Height.getValue() << "\"/></clipPath>" << endl;
+
+    // show clip frame on the page if needed
+
+    if (ShowFrame.getValue()) {
+        svg << "<rect fill=\"None\" stroke=\"#ff0000\" stroke-width=\"1px\"" 
+            << " x=\"" << X.getValue() << "\""
+            << " y=\"" << Y.getValue() << "\""
+            << " width=\"" << Width.getValue() << "\""
+            << " height=\"" << Height.getValue() << "\"/>" << endl;
+    }
+
+    // create clipped group
+    svg << "<g clip-path=\"url(#" << Label.getValue() << ")\">" << endl;
+
+    // get through the children and collect all the views
+    const std::vector<App::DocumentObject*> &Grp = Group.getValues();
+    for (std::vector<App::DocumentObject*>::const_iterator It= Grp.begin();It!=Grp.end();++It) {
+        if ((*It)->getTypeId().isDerivedFrom(Drawing::FeatureView::getClassTypeId())) {
+            Drawing::FeatureView *View = dynamic_cast<Drawing::FeatureView *>(*It);
+            svg << View->ViewResult.getValue() << endl;
+        }
+    }
+
+    // closing clipped group
+    svg << "</g>" << endl;
+
+    ViewResult.setValue(svg.str().c_str());
+    return App::DocumentObject::StdReturn;
+}