152 lines
7.0 KiB
C++
152 lines
7.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
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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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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <iomanip>
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# include <sstream>
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#endif
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#include <Base/Console.h>
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#include <Base/Interpreter.h>
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#include "DrawViewDraft.h"
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using namespace TechDraw;
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//===========================================================================
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// DrawViewDraft
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//===========================================================================
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PROPERTY_SOURCE(TechDraw::DrawViewDraft, TechDraw::DrawViewSymbol)
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DrawViewDraft::DrawViewDraft()
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{
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static const char *group = "Draft view";
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ADD_PROPERTY_TYPE(Source ,(nullptr), group, App::Prop_None, "Draft object for this view");
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Source.setScope(App::LinkScope::Global);
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ADD_PROPERTY_TYPE(LineWidth, (0.35), group, App::Prop_None, "Line width of this view. If Override Style is false, this value multiplies the object line width");
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ADD_PROPERTY_TYPE(FontSize, (12.0), group, App::Prop_None, "Text size for this view");
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ADD_PROPERTY_TYPE(Direction ,(0, 0,1.0), group, App::Prop_None, "Projection direction. The direction you are looking from.");
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ADD_PROPERTY_TYPE(Color, (0.0f, 0.0f, 0.0f), group, App::Prop_None, "The default color of text and lines");
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ADD_PROPERTY_TYPE(LineStyle, ("Solid") ,group, App::Prop_None, "A line style to use for this view. Can be Solid, Dashed, Dashdot, Dot or a SVG pattern like 0.20, 0.20");
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ADD_PROPERTY_TYPE(LineSpacing, (1.0f), group, App::Prop_None, "The spacing between lines to use for multiline texts");
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ADD_PROPERTY_TYPE(OverrideStyle, (false), group, App::Prop_None, "If True, line color, width and style of this view will override those of rendered objects");
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ScaleType.setValue("Custom");
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}
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short DrawViewDraft::mustExecute() const
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{
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if (!isRestoring()) {
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if(Source.isTouched() ||
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LineWidth.isTouched() ||
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FontSize.isTouched() ||
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Direction.isTouched() ||
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Color.isTouched() ||
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LineStyle.isTouched() ||
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LineSpacing.isTouched() ||
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OverrideStyle.isTouched()) {
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return true;
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}
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}
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return DrawViewSymbol::mustExecute();
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}
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App::DocumentObjectExecReturn *DrawViewDraft::execute()
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{
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// Base::Console().Message("DVDr::execute() \n");
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if (!keepUpdated()) {
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return App::DocumentObject::StdReturn;
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}
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App::DocumentObject* sourceObj = Source.getValue();
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if (sourceObj) {
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std::string svgFrag;
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std::string svgHead = getSVGHead();
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std::string svgTail = getSVGTail();
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std::string FeatName = getNameInDocument();
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std::string SourceName = sourceObj->getNameInDocument();
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// Draft.get_svg(obj, scale=1, linewidth=0.35, fontsize=12, fillstyle="shape color", direction=None, linestyle=None, color=None, linespacing=None, techdraw=False)
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std::stringstream paramStr;
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App::Color col = Color.getValue();
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paramStr << ", scale=" << getScale()
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<< ", linewidth=" << LineWidth.getValue()
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<< ", fontsize=" << FontSize.getValue()
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// TODO treat fillstyle here
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<< ", direction=FreeCAD.Vector(" << Direction.getValue().x << ", " << Direction.getValue().y << ", " << Direction.getValue().z << ")"
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<< ", linestyle=\"" << LineStyle.getValue() << "\""
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<< ", color=\"" << col.asHexString() << "\""
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<< ", linespacing=" << LineSpacing.getValue()
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// We must set techdraw to "true" becausea couple of things behave differently than in Drawing
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<< ", techdraw=True"
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<< ", override=" << (OverrideStyle.getValue() ? "True" : "False");
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// this is ok for a starting point, but should eventually make dedicated Draft functions that build the svg for all the special cases
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// (Arch section, etc)
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// like Draft.makeDrawingView, but we don't need to create the actual document objects in Draft, just the svg.
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Base::Interpreter().runString("import Draft");
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Base::Interpreter().runStringArg("svgBody = Draft.get_svg(App.activeDocument().%s %s)",
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SourceName.c_str(), paramStr.str().c_str());
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// Base::Interpreter().runString("print svgBody");
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Base::Interpreter().runStringArg("App.activeDocument().%s.Symbol = '%s' + svgBody + '%s'",
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FeatName.c_str(), svgHead.c_str(), svgTail.c_str());
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}
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overrideKeepUpdated(false);
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return DrawView::execute();
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}
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std::string DrawViewDraft::getSVGHead()
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{
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std::string head = std::string("<svg\\n") +
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std::string(" xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"\\n") +
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std::string(" xmlns:freecad=\"http://www.freecadweb.org/wiki/index.php?title=Svg_Namespace\">\\n");
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return head;
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}
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std::string DrawViewDraft::getSVGTail()
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{
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std::string tail = "\\n</svg>";
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return tail;
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}
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// Python Drawing feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewDraftPython, TechDraw::DrawViewDraft)
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template<> const char* TechDraw::DrawViewDraftPython::getViewProviderName() const {
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return "TechDrawGui::ViewProviderDraft";
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}
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/// @endcond
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// explicit template instantiation
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template class TechDrawExport FeaturePythonT<TechDraw::DrawViewDraft>;
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}
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