QGIS API Documentation  3.37.0-Master (a5b4d9743e8)
qgsdxfwriter.cpp
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1 /***************************************************************************
2  qgsdxfexport.cpp
3  -------------------------------------------------------------------
4 Date : 20 December 2016
5 Copyright : (C) 2015 by
6 email : marco.hugentobler at sourcepole dot com (original code)
7 Copyright : (C) 2016 by
8 email : david dot marteau at 3liz dot com
9  ***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 #include "qgsmodule.h"
18 #include "qgsdxfwriter.h"
19 #include "qgsdxfexport.h"
20 #include "qgswmsrenderer.h"
21 #include "qgswmsrestorer.h"
22 
23 namespace QgsWms
24 {
25  void writeAsDxf( QgsServerInterface *serverIface, const QgsProject *project,
26  const QgsWmsRequest &request,
27  QgsServerResponse &response )
28  {
29  // prepare render context
30  QgsWmsRenderContext context( project, serverIface );
35  context.setParameters( request.wmsParameters() );
36  context.setSocketFeedback( response.feedback() );
37 
38  // Write output
39  QgsRenderer renderer( context );
40 
41  //Layer settings need to be kept until QgsDxfExport::writeToFile has finished
42  std::unique_ptr<QgsWmsRestorer> restorer = std::make_unique<QgsWmsRestorer>( context );
43  restorer.reset( new QgsWmsRestorer( context ) );
44 
45  std::unique_ptr<QgsDxfExport> dxf = renderer.getDxf();
46  response.setHeader( "Content-Type", "application/dxf" );
47  dxf->writeToFile( response.io(), request.wmsParameters().dxfCodec() );
48  }
49 } // namespace QgsWms
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
Definition: qgsproject.h:107
QgsServerInterface Class defining interfaces exposed by QGIS Server and made available to plugins.
QgsServerResponse Class defining response interface passed to services QgsService::executeRequest() m...
virtual void setHeader(const QString &key, const QString &value)=0
Set Header entry Add Header entry to the response Note that it is usually an error to set Header afte...
virtual QgsFeedback * feedback() const
Returns the socket feedback if any.
virtual QIODevice * io()=0
Returns the underlying QIODevice.
Map renderer for WMS requests.
std::unique_ptr< QgsDxfExport > getDxf()
Returns the map as DXF data.
QString dxfCodec() const
Returns the DXF CODEC parameter.
Rendering context for the WMS renderer.
void setParameters(const QgsWmsParameters &parameters)
Sets WMS parameters.
void setFlag(Flag flag, bool on=true)
Sets or unsets a rendering flag according to the on value.
void setSocketFeedback(QgsFeedback *feedback)
Sets the response feedback.
Class defining request interface passed to WMS service.
Definition: qgswmsrequest.h:35
const QgsWmsParameters & wmsParameters() const
Returns the parameters interpreted for the WMS service.
RAII class to restore the rendering context configuration on destruction.
Median cut implementation.
void writeAsDxf(QgsServerInterface *serverIface, const QgsProject *project, const QgsWmsRequest &request, QgsServerResponse &response)
Output GetMap response in DXF format.