feature scaler base

(cherry picked from commit a646509)

images/images.qrc

@@ -399,6 +399,7 @@
         <file>themes/default/mActionSaveEdits.svg</file>
         <file>themes/default/mActionSaveMapAsImage.svg</file>
         <file>themes/default/mActionScaleBar.svg</file>
+	    <file>themes/default/mActionScaleFeature.svg</file>
         <file>themes/default/mActionScriptOpen.svg</file>
         <file>themes/default/mActionSelect.svg</file>
         <file>themes/default/mActionSelectAll.svg</file>

images/themes/default/mActionScaleFeature.svg

@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   height="24"
+   viewBox="0 0 24 24"
+   width="24"
+   version="1.1"
+   id="svg16"
+   sodipodi:docname="mActionScaleFeature.svg"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata22">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs20" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1366"
+     inkscape:window-height="745"
+     id="namedview18"
+     showgrid="false"
+     inkscape:snap-global="false"
+     inkscape:zoom="11.313709"
+     inkscape:cx="5.7185255"
+     inkscape:cy="7.3666708"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="g14" />
+  <g
+     transform="translate(0 -8)"
+     id="g14">
+    <path
+       d="m8.0275933 9.5013891c-2.8183472.0466368-5.2878242 1.2552559-6.2839838 4.1947259-.98846785 2.916771 1.1714865 8.182008 5.9325763 5.840503 7.9077412-3.889027 7.9038032.963382 9.8807382.963382 2.438571 0 4.94037-1.699566 4.94037-3.873599 0-1.944514.09638-3.806388-.992208-4.87712-1.976935-1.944514-2.973677.987396-8.289071-1.184158-1.694017-.6920746-3.4974127-1.0917169-5.1884217-1.0637339z"
+       fill="#8cbe8c"
+       fill-rule="evenodd"
+       stroke="#555753"
+       stroke-linecap="round"
+       stroke-linejoin="round"
+       id="path2" />
+    <rect
+       fill="#3c5a6e"
+       height="11"
+       rx="2.01149"
+       width="11"
+       x="13"
+       y="21"
+       id="rect4" />
+    <path
+       d="m14.000001 26.999999 8.999999-.009599s0 0 0-2c0-2.9904-1-2.9904-4.5-2.9904s-4.5 0-4.5 3c0 2 0 2 .000001 1.999999z"
+       fill="#fcffff"
+       fill-rule="evenodd"
+       opacity=".3"
+       id="path6" />
+    <path
+       inkscape:connector-curvature="0"
+       style="fill:#ffffff;fill-rule:evenodd;stroke-width:0.64053571"
+       d="m 20.20315,23.377428 -0.04037,1.899596 -2.182423,-0.003 -0.05919,2.952822 2.178518,0.01863 -0.04038,1.899598 3.398691,-3.377342 z"
+       id="path4922"
+       sodipodi:nodetypes="cccccccc" />
+    <path
+       inkscape:connector-curvature="0"
+       style="fill:#ffffff;fill-rule:evenodd;stroke-width:0.64632034"
+       d="m 16.780734,30.124787 0.01948,-1.898705 2.223023,0.01017 0.03824,-2.963147 -2.230837,-0.01408 0.01948,-1.898707 -3.423378,3.364856 z"
+       id="path4922-9"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>

src/app/CMakeLists.txt

@@ -91,6 +91,7 @@ set(QGIS_APP_SRCS
   qgsmaptoolreverseline.cpp
   qgsmaptoolrotatefeature.cpp
   qgsmaptoolrotatepointsymbols.cpp
+  qgsmaptoolscalefeature.cpp
   qgsmaptoolselect.cpp
   qgsmaptoolselectionhandler.cpp
   qgsmaptoolselectutils.cpp

src/app/qgisapp.cpp

@@ -467,6 +467,7 @@ Q_GUI_EXPORT extern int qt_defaultDpiX();
 #include "qgsmaptoolmeasureangle.h"
 #include "qgsmaptoolmovefeature.h"
 #include "qgsmaptoolrotatefeature.h"
+#include "qgsmaptoolscalefeature.h"
 #include "qgsmaptooloffsetcurve.h"
 #include "qgsmaptooloffsetpointsymbol.h"
 #include "qgsmaptoolpan.h"
@@ -1799,6 +1800,7 @@ QgisApp::~QgisApp()
   delete mMapTools.mReshapeFeatures;
   delete mMapTools.mReverseLine;
   delete mMapTools.mRotateFeature;
+  delete mMapTools.mScaleFeature;
   delete mMapTools.mRotateLabel;
   delete mMapTools.mRotatePointSymbolsTool;
   delete mMapTools.mOffsetPointSymbolTool;
@@ -2679,7 +2681,7 @@ void QgisApp::createActions()
   connect( mActionMoveFeature, &QAction::triggered, this, &QgisApp::moveFeature );
   connect( mActionMoveFeatureCopy, &QAction::triggered, this, &QgisApp::moveFeatureCopy );
   connect( mActionRotateFeature, &QAction::triggered, this, &QgisApp::rotateFeature );
-
+  connect( mActionScaleFeature, &QAction::triggered, this, &QgisApp::scaleFeature );
   connect( mActionReshapeFeatures, &QAction::triggered, this, &QgisApp::reshapeFeatures );
   connect( mActionSplitFeatures, &QAction::triggered, this, &QgisApp::splitFeatures );
   connect( mActionSplitParts, &QAction::triggered, this, &QgisApp::splitParts );
@@ -3052,6 +3054,7 @@ void QgisApp::createActionGroups()
   mMapToolGroup->addAction( mActionMoveFeature );
   mMapToolGroup->addAction( mActionMoveFeatureCopy );
   mMapToolGroup->addAction( mActionRotateFeature );
+  mMapToolGroup->addAction( mActionScaleFeature );
   mMapToolGroup->addAction( mActionOffsetCurve );
   mMapToolGroup->addAction( mActionReshapeFeatures );
   mMapToolGroup->addAction( mActionSplitFeatures );
@@ -3731,6 +3734,7 @@ void QgisApp::createToolBars()
 
   // Cad toolbar
   mAdvancedDigitizeToolBar->insertAction( mActionRotateFeature, mAdvancedDigitizingDockWidget->enableAction() );
+  mAdvancedDigitizeToolBar->insertAction( mActionScaleFeature, mAdvancedDigitizingDockWidget->enableAction() );
 
   // move feature tool button
   QToolButton *moveFeatureButton = new QToolButton( mAdvancedDigitizeToolBar );
@@ -4086,6 +4090,7 @@ void QgisApp::setTheme( const QString &themeName )
   mActionMoveFeature->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionMoveFeaturePoint.svg" ) ) );
   mActionMoveFeatureCopy->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionMoveFeatureCopyPoint.svg" ) ) );
   mActionRotateFeature->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionRotateFeature.svg" ) ) );
+  mActionScaleFeature->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionScaleFeature.svg" ) ) );
   mActionReshapeFeatures->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionReshape.svg" ) ) );
   mActionSplitFeatures->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSplitFeatures.svg" ) ) );
   mActionSplitParts->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSplitParts.svg" ) ) );
@@ -4415,6 +4420,8 @@ void QgisApp::createCanvasTools()
   mMapTools.mMoveFeatureCopy->setAction( mActionMoveFeatureCopy );
   mMapTools.mRotateFeature = new QgsMapToolRotateFeature( mMapCanvas );
   mMapTools.mRotateFeature->setAction( mActionRotateFeature );
+  mMapTools.mScaleFeature = new QgsMapToolScaleFeature( mMapCanvas );
+  mMapTools.mScaleFeature->setAction( mActionScaleFeature );
   mMapTools.mOffsetCurve = new QgsMapToolOffsetCurve( mMapCanvas );
   mMapTools.mOffsetCurve->setAction( mActionOffsetCurve );
   mMapTools.mReshapeFeatures = new QgsMapToolReshape( mMapCanvas );
@@ -9888,6 +9895,11 @@ void QgisApp::rotateFeature()
   mMapCanvas->setMapTool( mMapTools.mRotateFeature );
 }
 
+void QgisApp::scaleFeature()
+{
+  mMapCanvas->setMapTool( mMapTools.mScaleFeature );
+}
+
 void QgisApp::rotateLabel()
 {
   mMapCanvas->setMapTool( mMapTools.mRotateLabel );
     mActionMoveFeature->setEnabled( false );
     mActionMoveFeatureCopy->setEnabled( false );
     mActionRotateFeature->setEnabled( false );
+    mActionScaleFeature->setEnabled( false );
     mActionOffsetCurve->setEnabled( false );
     mActionVertexTool->setEnabled( false );
     mActionVertexToolActiveLayer->setEnabled( false );
         mActionMoveFeature->setEnabled( isEditable && canChangeGeometry );
         mActionMoveFeatureCopy->setEnabled( isEditable && canChangeGeometry );
         mActionRotateFeature->setEnabled( isEditable && canChangeGeometry );
+        mActionScaleFeature->setEnabled( isEditable && canChangeGeometry );
         mActionVertexTool->setEnabled( isEditable && canChangeGeometry );
         mActionVertexToolActiveLayer->setEnabled( isEditable && canChangeGeometry );
 
       mActionMoveFeature->setEnabled( false );
       mActionMoveFeatureCopy->setEnabled( false );
       mActionRotateFeature->setEnabled( false );
+      mActionScaleFeature->setEnabled( false );
       mActionOffsetCurve->setEnabled( false );
       mActionCopyFeatures->setEnabled( false );
       mActionCutFeatures->setEnabled( false );
       mActionMoveFeature->setEnabled( false );
       mActionMoveFeatureCopy->setEnabled( false );
       mActionRotateFeature->setEnabled( false );
+      mActionScaleFeature->setEnabled( false );
       mActionOffsetCurve->setEnabled( false );
       mActionCopyFeatures->setEnabled( false );
       mActionCutFeatures->setEnabled( false );
       mActionMoveFeature->setEnabled( false );
       mActionMoveFeatureCopy->setEnabled( false );
       mActionRotateFeature->setEnabled( false );
+      mActionScaleFeature->setEnabled( false );
       mActionOffsetCurve->setEnabled( false );
       mActionCopyFeatures->setEnabled( false );
       mActionCutFeatures->setEnabled( false );
       mActionMoveFeature->setEnabled( false );
       mActionMoveFeatureCopy->setEnabled( false );
       mActionRotateFeature->setEnabled( false );
+      mActionScaleFeature->setEnabled( false );
       mActionOffsetCurve->setEnabled( false );
       mActionCopyFeatures->setEnabled( false );
       mActionCutFeatures->setEnabled( false );

src/app/qgisapp.h

@@ -483,6 +483,7 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     QAction *actionMoveFeature() { return mActionMoveFeature; }
     QAction *actionMoveFeatureCopy() { return mActionMoveFeatureCopy; }
     QAction *actionRotateFeature() { return mActionRotateFeature;}
+    QAction *actionScaleFeature() { return mActionScaleFeature;}
     QAction *actionSplitFeatures() { return mActionSplitFeatures; }
     QAction *actionSplitParts() { return mActionSplitParts; }
     QAction *actionAddRing() { return mActionAddRing; }
@@ -1861,6 +1862,8 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     void moveLabel();
     //! Activates rotate feature tool
     void rotateFeature();
+    //! Activates scale feature tool
+    void scaleFeature();
     //! Activates rotate label tool
     void rotateLabel();
     //! Activates label property tool
@@ -2443,6 +2446,7 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
         QgsMapTool *mShowHideLabels = nullptr;
         QgsMapTool *mMoveLabel = nullptr;
         QgsMapTool *mRotateFeature = nullptr;
+        QgsMapTool *mScaleFeature = nullptr;
         QgsMapTool *mRotateLabel = nullptr;
         QgsMapTool *mChangeLabelProperties = nullptr;
         QgsMapTool *mReverseLine = nullptr ;