[FEATURE] 3D maps in print layouts (part 2) - PR #7705

Author: wonder-sk

images/images.qrc

@@ -702,6 +702,7 @@
         <file>themes/default/mIconGPU.svg</file>
         <file>themes/default/mAddToProject.svg</file>
         <file>themes/default/mDockify.svg</file>
+        <file>themes/default/mActionAdd3DMap.svg</file>
     </qresource>
     <qresource prefix="/images/tips">
         <file alias="symbol_levels.png">qgis_tips/symbol_levels.png</file>

images/themes/default/mActionAdd3DMap.svg

@@ -54,6 +54,7 @@ SET(QGIS_3D_MOC_HDRS
   qgs3dmapsettings.h
   qgsabstract3dengine.h
   qgscameracontroller.h
+  qgslayoutitem3dmap.h
   qgsoffscreen3dengine.h
   qgswindow3dengine.h
 

src/3d/CMakeLists.txt

@@ -63,6 +63,13 @@ void Qgs3DMapSettings::readXml( const QDomElement &elem, const QgsReadWriteConte
               elemOrigin.attribute( "y" ).toDouble(),
               elemOrigin.attribute( "z" ).toDouble() );
 
+  QDomElement elemColor = elem.firstChildElement( "color" );
+  if ( !elemColor.isNull() )
+  {
+    mBackgroundColor = QgsSymbolLayerUtils::decodeColor( elemColor.attribute( "background" ) );
+    mSelectionColor = QgsSymbolLayerUtils::decodeColor( elemColor.attribute( "selection" ) );
+  }
+
   QDomElement elemCrs = elem.firstChildElement( "crs" );
   mCrs.readXml( elemCrs );
 
@@ -147,6 +154,11 @@ QDomElement Qgs3DMapSettings::writeXml( QDomDocument &doc, const QgsReadWriteCon
   elemOrigin.setAttribute( "z", QString::number( mOrigin.z() ) );
   elem.appendChild( elemOrigin );
 
+  QDomElement elemColor = doc.createElement( "color" );
+  elemColor.setAttribute( "background", QgsSymbolLayerUtils::encodeColor( mBackgroundColor ) );
+  elemColor.setAttribute( "selection", QgsSymbolLayerUtils::encodeColor( mSelectionColor ) );
+  elem.appendChild( elemColor );
+
   QDomElement elemCrs = doc.createElement( "crs" );
   mCrs.writeXml( elemCrs, doc );
   elem.appendChild( elemCrs );

src/3d/qgs3dmapsettings.cpp

@@ -419,6 +419,9 @@ void QgsCameraController::setLookingAtPoint( const QgsVector3D &point, float dis
 
 void QgsCameraController::setCameraPose( const QgsCameraPose &camPose )
 {
+  if ( camPose == mCameraPose )
+    return;
+
   mCameraPose = camPose;
 
   if ( mCamera )

src/3d/qgscameracontroller.cpp

@@ -17,6 +17,31 @@
 
 #include <Qt3DRender/QCamera>
 
+#include <QDomDocument>
+
+QDomElement QgsCameraPose::writeXml( QDomDocument &doc ) const
+{
+  QDomElement elemCamera = doc.createElement( "camera-pose" );
+  elemCamera.setAttribute( QStringLiteral( "x" ), mCenterPoint.x() );
+  elemCamera.setAttribute( QStringLiteral( "y" ), mCenterPoint.y() );
+  elemCamera.setAttribute( QStringLiteral( "z" ), mCenterPoint.z() );
+  elemCamera.setAttribute( QStringLiteral( "dist" ), mDistanceFromCenterPoint );
+  elemCamera.setAttribute( QStringLiteral( "pitch" ), mPitchAngle );
+  elemCamera.setAttribute( QStringLiteral( "heading" ), mHeadingAngle );
+  return elemCamera;
+}
+
+void QgsCameraPose::readXml( const QDomElement &elem )
+{
+  double x = elem.attribute( QStringLiteral( "x" ) ).toDouble();
+  double y = elem.attribute( QStringLiteral( "y" ) ).toDouble();
+  double z = elem.attribute( QStringLiteral( "z" ) ).toDouble();
+  mCenterPoint = QgsVector3D( x, y, z );
+
+  mDistanceFromCenterPoint = elem.attribute( QStringLiteral( "dist" ) ).toFloat();
+  mPitchAngle = elem.attribute( QStringLiteral( "pitch" ) ).toFloat();
+  mHeadingAngle = elem.attribute( QStringLiteral( "heading" ) ).toFloat();
+}
 
 void QgsCameraPose::updateCamera( Qt3DRender::QCamera *camera )
 {

src/3d/qgscamerapose.cpp

@@ -25,6 +25,9 @@ namespace Qt3DRender
   class QCamera;
 }
 
+class QDomDocument;
+class QDomElement;
+
 /**
  * \ingroup 3d
  * Class that encapsulates camera pose in a 3D scene. The pose is defined with the following parameters:
@@ -62,6 +65,11 @@ class _3D_EXPORT QgsCameraPose
     //! Update Qt3D camera view matrix based on the pose
     void updateCamera( Qt3DRender::QCamera *camera );
 
+    //! Writes configuration to a new DOM element and returns it
+    QDomElement writeXml( QDomDocument &doc ) const;
+    //! Reads configuration from a DOM element previously written using writeXml()
+    void readXml( const QDomElement &elem );
+
     bool operator==( const QgsCameraPose &other ) const
     {
       return mCenterPoint == other.mCenterPoint &&