Core: support to load old project files containing image planes

See forum: https://forum.freecad.org/viewtopic.php?p=670545#p670545

src/App/Application.cpp

@@ -217,6 +217,18 @@ init_freecad_module(void)
     return PyModule_Create(&FreeCADModuleDef);
 }
 
+PyMODINIT_FUNC
+init_image_module()
+{
+    static struct PyModuleDef ImageModuleDef = {
+        PyModuleDef_HEAD_INIT,
+        "Image", "", -1,
+        nullptr,
+        nullptr, nullptr, nullptr, nullptr
+    };
+    return PyModule_Create(&ImageModuleDef);
+}
+
 Application::Application(std::map<std::string,std::string> &mConfig)
   : _mConfig(mConfig), _pActiveDoc(nullptr), _isRestoring(false),_allowPartial(false)
   , _isClosingAll(false), _objCount(-1), _activeTransactionID(0)
@@ -254,6 +266,10 @@ void Application::setupPythonTypes()
     };
     PyObject* pConsoleModule = PyModule_Create(&ConsoleModuleDef);
 
+    // fake Image module
+    PyObject* imageModule = init_image_module();
+    PyDict_SetItemString(modules, "Image", imageModule);
+
     // introducing additional classes
 
     // NOTE: To finish the initialization of our own type objects we must
@@ -2054,7 +2070,7 @@ void Application::initTypes()
     App::DocumentObjectGroup       ::init();
     App::DocumentObjectGroupPython ::init();
     App::DocumentObjectFileIncluded::init();
-    App::ImagePlane                ::init();
+    Image::ImagePlane              ::init();
     App::InventorObject            ::init();
     App::VRMLObject                ::init();
     App::Annotation                ::init();

src/App/ImagePlane.cpp

@@ -25,18 +25,18 @@
 #include "ImagePlane.h"
 
 
-using namespace App;
+using namespace Image;
 
-PROPERTY_SOURCE(App::ImagePlane, App::GeoFeature)
+PROPERTY_SOURCE(Image::ImagePlane, App::GeoFeature)
 
 
 ImagePlane::ImagePlane()
     : XPixelsPerMeter{1000.0}
     , YPixelsPerMeter{1000.0}
 {
-    ADD_PROPERTY_TYPE( ImageFile,(nullptr)  , "ImagePlane",Prop_None,"File of the image");
-    ADD_PROPERTY_TYPE( XSize,    (100), "ImagePlane",Prop_None,"Size of a pixel in X");
-    ADD_PROPERTY_TYPE( YSize,    (100), "ImagePlane",Prop_None,"Size of a pixel in Y");
+    ADD_PROPERTY_TYPE( ImageFile,(nullptr)  , "ImagePlane",App::Prop_None,"File of the image");
+    ADD_PROPERTY_TYPE( XSize,    (100), "ImagePlane",App::Prop_None,"Size of a pixel in X");
+    ADD_PROPERTY_TYPE( YSize,    (100), "ImagePlane",App::Prop_None,"Size of a pixel in Y");
 }
 
 int ImagePlane::getXSizeInPixel()

src/App/ImagePlane.h

@@ -27,12 +27,12 @@
 #include <App/PropertyFile.h>
 #include <App/PropertyUnits.h>
 
-namespace App
+namespace Image
 {
 
 class AppExport ImagePlane : public App::GeoFeature
 {
-    PROPERTY_HEADER_WITH_OVERRIDE(App::ImagePlane);
+    PROPERTY_HEADER_WITH_OVERRIDE(Image::ImagePlane);
 
 public:
     /// Constructor
@@ -57,7 +57,7 @@ public:
     }
 };
 
-} //namespace App
+} //namespace Image
 
 
 #endif // App_ImagePlane_H

src/Gui/FileHandler.cpp

@@ -201,7 +201,7 @@ void FileHandler::openImage()
     QFileInfo fi;
     fi.setFile(filename);
 
-    Gui::cmdAppDocumentArgs(doc, "addObject('%s', '%s')", "App::ImagePlane",  fi.baseName().toStdString());
+    Gui::cmdAppDocumentArgs(doc, "addObject('%s', '%s')", "Image::ImagePlane",  fi.baseName().toStdString());
     Gui::cmdAppDocumentArgs(doc, "ActiveObject.ImageFile = '%s'", fi.absoluteFilePath().toStdString());
     Gui::cmdAppDocumentArgs(doc, "ActiveObject.Label = '%s'", fi.baseName().toStdString());
     Gui::cmdAppDocument(doc, "recompute()");

src/Gui/TaskView/TaskImageScale.cpp

@@ -39,7 +39,7 @@
 
 using namespace Gui;
 
-TaskImageScale::TaskImageScale(App::ImagePlane* obj, QWidget* parent)
+TaskImageScale::TaskImageScale(Image::ImagePlane* obj, QWidget* parent)
   : QWidget(parent)
   , ui(new Ui_TaskImageScale)
   , feature(obj)

src/Gui/TaskView/TaskImageScale.h

@@ -37,7 +37,7 @@ class TaskImageScale : public QWidget
     Q_OBJECT
 
 public:
-    explicit TaskImageScale(App::ImagePlane* obj, QWidget* parent = nullptr);
+    explicit TaskImageScale(Image::ImagePlane* obj, QWidget* parent = nullptr);
     ~TaskImageScale() override;
 
 private:
@@ -46,7 +46,7 @@ private:
 
 private:
     std::unique_ptr<Ui_TaskImageScale> ui;
-    App::WeakPtrT<App::ImagePlane> feature;
+    App::WeakPtrT<Image::ImagePlane> feature;
     double aspectRatio;
 };
 

src/Gui/ViewProviderImagePlane.cpp

@@ -163,7 +163,7 @@ void ViewProviderImagePlane::manipulateImage()
         dynamic_cast<App::GeoFeature*>(getObject())
     );
     dialog->addTaskBox(new TaskImageScale(
-        dynamic_cast<App::ImagePlane*>(getObject())
+        dynamic_cast<Image::ImagePlane*>(getObject())
     ));
 
     Gui::Control().showDialog(dialog);
@@ -179,7 +179,7 @@ void ViewProviderImagePlane::resizePlane(float xsize, float ysize)
 
 void ViewProviderImagePlane::loadImage()
 {
-    App::ImagePlane* imagePlane = static_cast<App::ImagePlane*>(pcObject);
+    Image::ImagePlane* imagePlane = static_cast<Image::ImagePlane*>(pcObject);
     std::string fileName = imagePlane->ImageFile.getValue();
 
     if (!fileName.empty()) {
@@ -223,7 +223,7 @@ QSizeF ViewProviderImagePlane::loadRaster(const char* fileName, QImage& img)
 
 void ViewProviderImagePlane::reloadIfSvg()
 {
-    App::ImagePlane* imagePlane = static_cast<App::ImagePlane*>(pcObject);
+    Image::ImagePlane* imagePlane = static_cast<Image::ImagePlane*>(pcObject);
     std::string fileName = imagePlane->ImageFile.getValue();
 
     double xsize = imagePlane->XSize.getValue();
@@ -266,7 +266,7 @@ void ViewProviderImagePlane::convertToSFImage(const QImage& img)
 
 void ViewProviderImagePlane::updateData(const App::Property* prop)
 {
-    App::ImagePlane* pcPlaneObj = static_cast<App::ImagePlane*>(pcObject);
+    Image::ImagePlane* pcPlaneObj = static_cast<Image::ImagePlane*>(pcObject);
     if (prop == &pcPlaneObj->XSize || prop == &pcPlaneObj->YSize) {
         float xsize = pcPlaneObj->XSize.getValue();
         float ysize = pcPlaneObj->YSize.getValue();