qgsmesh3dsymbolwidget: Add an option to set culling mode

qgis · Oct 6, 2023 · beb28f6 · beb28f6
1 parent 1b8cb6a
commit beb28f6
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Showing 2 changed files with 28 additions and 0 deletions.
diff --git a/src/app/3d/qgsmesh3dsymbolwidget.cpp b/src/app/3d/qgsmesh3dsymbolwidget.cpp
@@ -14,6 +14,7 @@
  ***************************************************************************/
 
 #include "qgsmesh3dsymbolwidget.h"
+#include "qgs3dtypes.h"
 #include "qgsmeshlayer.h"
 #include "qgstriangularmesh.h"
 #include "qgsmeshdataprovider.h"
@@ -32,10 +33,20 @@ QgsMesh3DSymbolWidget::QgsMesh3DSymbolWidget( QgsMeshLayer *meshLayer, QWidget *
   mComboBoxTextureType->addItem( tr( "Single Color" ), QgsMesh3DSymbol::SingleColor );
   mComboBoxTextureType->setCurrentIndex( 0 );
 
+  mCullingMode->addItem( tr( "No Culling" ), Qgs3DTypes::NoCulling );
+  mCullingMode->addItem( tr( "Front" ), Qgs3DTypes::Front );
+  mCullingMode->addItem( tr( "Back" ), Qgs3DTypes::Back );
+
+  mCullingMode->setItemData( 0, tr( "Both sides of the mesh are visible" ), Qt::ToolTipRole );
+  mCullingMode->setItemData( 1, tr( "Only the back of the mesh is visible" ), Qt::ToolTipRole );
+  mCullingMode->setItemData( 2, tr( "Only the front of the mesh is visible" ), Qt::ToolTipRole );
+
   mDatasetGroupListModel = new QgsMeshDatasetGroupListModel( this );
   mComboBoxDatasetVertical->setModel( mDatasetGroupListModel );
   setLayer( meshLayer );
 
+  connect( mCullingMode, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsMesh3DSymbolWidget::changed );
+
   connect( mChkSmoothTriangles, &QCheckBox::clicked, this, &QgsMesh3DSymbolWidget::changed );
   connect( mGroupBoxWireframe, &QGroupBox::toggled, this, &QgsMesh3DSymbolWidget::changed );
   connect( mColorButtonWireframe, &QgsColorButton::colorChanged, this, &QgsMesh3DSymbolWidget::changed );
@@ -77,6 +88,7 @@ QgsMesh3DSymbolWidget::QgsMesh3DSymbolWidget( QgsMeshLayer *meshLayer, QWidget *
 void QgsMesh3DSymbolWidget::setSymbol( const QgsMesh3DSymbol *symbol )
 {
   mSymbol.reset( symbol->clone() );
+  mCullingMode->setCurrentIndex( mCullingMode->findData( symbol->cullingMode() ) );
   mChkSmoothTriangles->setChecked( symbol->smoothedTriangles() );
   mGroupBoxWireframe->setChecked( symbol->wireframeEnabled() );
   mColorButtonWireframe->setColor( symbol->wireframeLineColor() );
@@ -179,6 +191,7 @@ std::unique_ptr<QgsMesh3DSymbol> QgsMesh3DSymbolWidget::symbol() const
 {
   std::unique_ptr< QgsMesh3DSymbol > sym( mSymbol->clone() );
 
+  sym->setCullingMode( static_cast<Qgs3DTypes::CullingMode>( mCullingMode->currentData().toInt() ) );
   sym->setSmoothedTriangles( mChkSmoothTriangles->isChecked() );
   sym->setWireframeEnabled( mGroupBoxWireframe->isChecked() );
   sym->setWireframeLineColor( mColorButtonWireframe->color() );

diff --git a/src/ui/3d/qgsmesh3dpropswidget.ui b/src/ui/3d/qgsmesh3dpropswidget.ui
@@ -26,6 +26,20 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
+   <item>
+    <layout class="QFormLayout" name="cullingModeFormLayout">
+     <item row="0" column="0">
+      <widget class="QLabel" name="mCullingModeLabel">
+       <property name="text">
+        <string>Culling mode</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QComboBox" name="mCullingMode"/>
+     </item>
+    </layout>
+   </item>
    <item>
     <widget class="QgsCollapsibleGroupBox" name="mGroupBoxTrianglesSettings">
      <property name="title">
@@ -449,6 +463,7 @@
   </customwidget>
  </customwidgets>
  <tabstops>
+  <tabstop>mCullingMode</tabstop>
   <tabstop>mChkSmoothTriangles</tabstop>
   <tabstop>mGroupBoxWireframe</tabstop>
   <tabstop>mSpinBoxWireframeLineWidth</tabstop>