does not link, we are close..

libs/mare/CMakeLists.txt

@@ -10,4 +10,4 @@ include_directories(../epaper/Fonts)
 
 # Generate the link library
 add_library(Mare ${DIR_Config_SRCS})
-target_link_libraries(Mare PUBLIC Config ePaper pico_stdlib hardware_spi)
+target_link_libraries(Mare PUBLIC Config ePaper Fonts pico_stdlib hardware_spi)

libs/mare/mare.cpp

@@ -38,10 +38,13 @@ namespace Render {
         free(_screenBufferForeground);
     }
 
-    template <class T>
-    void Mare::addDrawable(T){
+    template <class T, class ... Args>
+    T* Mare::addDrawable(Args&&... args){
         static size_t lastDrawableIndex(0);
-        auto newD = std::make_shared<T>(lastDrawableIndex++, )
+        static_assert(std::is_base_of_v<Drawable, T>, "Scene::createDrawable<T>() error, type T is not inherited from Drawable.");
+        auto newD = std::make_shared<T>(lastDrawableIndex++, nullptr, this, std::forward<Args>(args)...);
+        _drawables.push_back(newD);
+        return newD.get();
     }
 
 
@@ -54,6 +57,7 @@ namespace Render {
                 printf("Drawable is expired");
             }
         }
+        EPD_2IN9_V2_Display_Partial(_screenBufferBackground);
     }
 
     void Mare::setPixel(uint8_t* img, uint16_t x, uint16_t y, bool value){

libs/mare/mare.h

@@ -1,12 +1,13 @@
 /*******************************************
  *     Most Awesome Renderer Ever
  *******************************************/
-#pragma once
 
+#include <stdio.h>
+#include <pico/stdlib.h>
+ 
 extern "C" {
     #include <DEV_Config.h>
     #include <EPD_2in9_V2.h>
-    #include <fonts.h>
 }
 
 #include <vector>
@@ -52,9 +53,11 @@ namespace Render{
 
     class Mare {
         friend class Drawable;
+        friend class Page;
 
-        Mare(dim_t size);
-        ~Mare();
+        public:
+            Mare(dim_t size);
+            ~Mare();
         
         // getters, setters
         public:
@@ -67,8 +70,8 @@ namespace Render{
             
         // drawables, pages
         public:
-        template <class T>
-            void addDrawable(T);
+        template <class T, class ... Args>
+            T* addDrawable(Args&&... args);
             void removeDrawable(const size_t id);
             void addPage();
             void removePage(const uint8_t num);
@@ -77,9 +80,11 @@ namespace Render{
             
         //render    
         private: 
-            void render();
             void clearBuffer(uint8_t* buffer, Color col);
             void visitDrawables(Drawable* parent);
+
+        public:
+            void render();
             void setPixel(uint8_t* img, uint16_t x, uint16_t y, bool value);
 
         // members
@@ -90,11 +95,15 @@ namespace Render{
             uint8_t* _screenBufferBackground;
             Drawables _drawables;  // background drawables for all the pages
             ScreenRotation _rotation;   
+
+        public:
+            uint8_t* bBuffer() {return _screenBufferBackground;}
+            uint8_t* fBuffer() {return _screenBufferForeground;}
     };
 
     class Drawable {
         public:
-            Drawable(const size_t id, const Drawable* parent, const Mare* engine);
+            Drawable(const size_t id, Drawable* parent, Mare* engine);
             ~Drawable();
 
         public:
@@ -106,12 +115,16 @@ namespace Render{
             void setDirty();
             void setBlendMode(const BlendMode mode);
 
+            const pos_t getOrigin();
             const bbox2d_t getBBox();
             const BlendMode getBlendMode();
 
+            Mare* engine() { return _engine; };
+            Drawable* parent() { return _parent; };
+
         private:
-            const Drawable* _parent;
-            const Mare* _engine;
+            Drawable* _parent;
+            Mare* _engine;
             bool _dirty;
             size_t _id;
             pos_t _origin;
@@ -121,7 +134,7 @@ namespace Render{
 
     class DrawablePoint: public Drawable {
 
-        DrawablePoint(const size_t id, const Drawable* parent, const Mare* engine, dim_t size);
+        DrawablePoint(const size_t id, Drawable* parent, Mare* engine, dim_t size);
         ~DrawablePoint();
 
         public:
@@ -240,6 +253,5 @@ namespace Render{
         private:
             Drawables _backDrawables;
             Drawables _frontDrawables;
-
     };
 }

libs/mare/mare_drawables.cpp

@@ -2,7 +2,7 @@
 
 namespace Render {
 
-    Drawable::Drawable(const size_t id, const Drawable* parent, const Mare* engine):
+    Drawable::Drawable(const size_t id, Drawable* parent, Mare* engine):
     _id(id),
     _parent(parent),
     _engine(engine)
@@ -12,13 +12,28 @@ namespace Render {
 
     //--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
     //Point
-    DrawablePoint::DrawablePoint(const size_t id, const Drawable* parent, const Mare* engine, dim_t size):
+    DrawablePoint::DrawablePoint(const size_t id, Drawable* parent, Mare* engine, dim_t size):
         Drawable(id, parent,engine),
         _size(size)
     {
 
     }
 
+    void DrawablePoint::render() {
+        uint8_t *buf;
+        if (parent() == nullptr)
+            buf = engine()->bBuffer();
+        else 
+            buf = engine()->fBuffer();
+
+        for (uint16_t xx(0); xx< _size.x; xx++){
+            for (uint16_t yy(0); yy < _size.y; yy++)
+            {
+                engine()->setPixel(buf,getOrigin().x+xx,getOrigin().y+yy,true);
+            }  
+        }
+    }
+
 
     //--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
     //Line