Hook up d2d offscreen rendering.

src/geometry/AbstractGeometricItem.h

@@ -10,6 +10,16 @@ class AbstractGeometricItem
 {
 public:
 
+    enum class Type
+    {
+        LINE,
+        RECTANGLE,
+        TRIANGLE,
+        POINT,
+        PATH,
+        UNKNOWN
+    };
+
     struct Bounds
     {
         Bounds(double width, double height)
@@ -30,4 +40,6 @@ public:
     virtual const Point& getLocation() const = 0;
 
     virtual void sample(Grid<unsigned char>* grid) const = 0;
+
+    virtual Type getType() const { return Type::UNKNOWN; };
 };

src/geometry/Grid.cpp

@@ -1,14 +1,14 @@
 #include "Grid.h"
 
 template<typename T>
-Grid<T>::Grid(const Rectangle& bounds)
+Grid<T>::Grid(const ntk::Rectangle& bounds)
     : mBounds(bounds)
 {
     mValues = std::vector<T>(mNumX*mNumY, T());
 }
 
 template<typename T>
-const Rectangle& Grid<T>::getBounds() const
+const ntk::Rectangle& Grid<T>::getBounds() const
 {
     return mBounds;
 }
@@ -32,7 +32,7 @@ const std::vector<T>& Grid<T>::getValues() const
 }
 
 template<typename T>
-void Grid<T>::resetBounds(const Rectangle& bounds)
+void Grid<T>::resetBounds(const ntk::Rectangle& bounds)
 {
     mBounds = bounds;
     mValues = std::vector<T>(mNumX*mNumY, T());

src/geometry/Grid.h

@@ -7,10 +7,9 @@ template<typename T>
 class Grid
 {
 public:
+    Grid(const ntk::Rectangle& bounds);
 
-    Grid(const Rectangle& bounds);
+    const ntk::Rectangle& getBounds() const;
-
-    const Rectangle& getBounds() const;
 
     double getXSpacing() const;
 
@@ -18,12 +17,12 @@ public:
 
     const std::vector<T>& getValues() const;
 
-    void resetBounds(const Rectangle& bounds);
+    void resetBounds(const ntk::Rectangle& bounds);
 
     void setValues(const std::vector<std::size_t>& indices, T value);
 
 private:
-    Rectangle mBounds;
+    ntk::Rectangle mBounds;
     std::vector<T> mValues;
     unsigned mNumX{5};
     unsigned mNumY{5};

src/geometry/Rectangle.cpp

@@ -1,5 +1,6 @@
 #include "Rectangle.h"
 
+namespace ntk {
     Rectangle::Rectangle(const Point& bottomLeft, const Point& topRight)
         : mBottomLeft(bottomLeft)
     {
@@ -44,3 +45,4 @@ Rectangle::Bounds Rectangle::getSize() const
     {
         return { mWidth, mHeight };
     }
+}

src/geometry/Rectangle.h

@@ -6,10 +6,10 @@
 template<class T>
 class Grid;
 
+namespace ntk{
 class Rectangle : public AbstractGeometricItem
 {
 public:
-
     Rectangle(const Point& bottomLeft, const Point& topRight);
     Rectangle(const Point& bottomLeft, double width, double height);
 
@@ -23,6 +23,11 @@ public:
 
     Rectangle getBounds() const;
 
+    Type getType() const
+    {
+        return AbstractGeometricItem::Type::RECTANGLE;
+    }
+
     void sample(Grid<unsigned char>* grid) const override;
 
 private:
@@ -30,3 +35,5 @@ private:
     double mWidth{0};
     double mHeight{0};
 };
+
+}

src/graphics/RasterPainter.cpp

@@ -6,7 +6,7 @@
 
 RasterPainter::RasterPainter(DrawingContext* context)
      : AbstractPainter(context),
-        mGrid(std::make_unique<Grid<unsigned char> >(Rectangle(Point(0, 0), Point(100, 100))))
+        mGrid(std::make_unique<Grid<unsigned char> >(ntk::Rectangle(Point(0, 0), Point(100, 100))))
 {
 
 }
@@ -15,7 +15,7 @@ void RasterPainter::paint()
 {
     const auto width = mDrawingContext->getSurface()->getWidth();
     const auto height = mDrawingContext->getSurface()->getHeight();
-    mGrid->resetBounds(Rectangle(Point(0, 0), Point(width, height)));
+    mGrid->resetBounds(ntk::Rectangle(Point(0, 0), Point(width, height)));
 
     /*
     for (unsigned idx=0; idx< context->getNumItems(); idx++)

src/graphics/directx/DirectX2dPainter.cpp

@@ -1,10 +1,42 @@
 #include "DirectX2dPainter.h"
 
 #include "DirectX2dInterface.h"
+#include "AbstractGeometricItem.h"
+#include "Rectangle.h"
+#include "SceneModel.h"
 
-void DirectX2dPainter::paint(AbstractGeometricItem* item)
+void DirectX2dPainter::startDrawing()
 {
+	mD2dInterface->getRenderTarget()->BeginDraw();
+}
 
+void DirectX2dPainter::finishDrawing()
+{
+	mD2dInterface->getRenderTarget()->EndDraw();
+}
+
+void DirectX2dPainter::clearBackground()
+{
+	mD2dInterface->getRenderTarget()->Clear(D2D1::ColorF(D2D1::ColorF::White));
+}
+
+void DirectX2dPainter::paint(SceneModel* model)
+{
+	auto rt = mD2dInterface->getRenderTarget();
+
+	auto hr = rt->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Black), &mWorkingBrush);
+
+	if (model->getGeometry()->getType() == AbstractGeometricItem::Type::RECTANGLE)
+	{
+		auto rect = dynamic_cast<ntk::Rectangle*>(model->getGeometry());
+		const auto loc = rect->getLocation();
+		const auto width = rect->getWidth();
+		const auto height = rect->getHeight();
+
+		D2D1_RECT_F d2d_rect{ static_cast<float>(loc.getX()), static_cast<float>(loc.getY() + height), static_cast<float>(loc.getX() + width), static_cast<float>(loc.getY()) };
+
+		rt->FillRectangle(d2d_rect, mWorkingBrush.Get());
+	}
 }
 
 void DirectX2dPainter::setD2dInterface(DirectX2dInterface* d2dIterface)

src/graphics/directx/DirectX2dPainter.h

@@ -1,15 +1,29 @@
 #pragma once
 
-class AbstractGeometricItem;
+#include <wrl.h>
+
+class SceneModel;
 class DirectX2dInterface;
 
+struct ID2D1SolidColorBrush;
+
 class DirectX2dPainter
 {
 public:
-	void paint(AbstractGeometricItem* item);
+	void startDrawing();
+
+	void clearBackground();
+
+	void finishDrawing();
+
+	void paint(SceneModel* model);
 
 	void setD2dInterface(DirectX2dInterface* d2dIterface);
 
 private:
+	void createRectangle();
+
+	Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> mWorkingBrush;
+	
 	DirectX2dInterface* mD2dInterface{ nullptr };
 };

src/graphics/directx/DirectXPainter.cpp

@@ -109,6 +109,10 @@ void DirectXPainter::paint()
     }
 
     auto scene = mDrawingContext->getSurface()->getScene();
+
+    m2dPainter->startDrawing();
+    m2dPainter->clearBackground();
+
     for (const auto item : scene->getItems())
     {
         if (item->getType() == SceneItem::Type::MODEL && item->isVisible())
@@ -116,10 +120,12 @@ void DirectXPainter::paint()
             auto model = dynamic_cast<SceneModel*>(item);
             if (model->getGeometry())
             {
-                m2dPainter->paint(model->getGeometry());
+                m2dPainter->paint(model);
             }
         }
     }
+
+    m2dPainter->finishDrawing();
 }
 
 void DirectXPainter::paintBackground(const D3D12_CPU_DESCRIPTOR_HANDLE& rtvHandle, ID3D12GraphicsCommandList* commandList)