Update configs to allocate correctly

src/panel/panel.hpp

@@ -26,5 +26,8 @@ namespace dashboard::panel {
         virtual void draw() = 0;
     
         size_t _time_on_screen = 0;
+
+    protected:
+        SDL_Texture* _texture;
     };
 }

src/panel/weather.cpp

@@ -14,16 +14,22 @@ using namespace dashboard::panel;
 ///////////////////////////////////////////////////////////////////////////////
 
 weather::weather(){
+    std::cerr << "WEATHER CONSTRUCTOR\n";
     _time_on_screen = WEATHER_DEFAULT_ON_SCREEN_TIME;
     _update_interval = std::chrono::milliseconds{UPDATE_INTERVAL};
     _last_update = std::chrono::high_resolution_clock::now();
     _rss = rss_utils::rss(WEATHER_URL_SOURCE);
 
+    _texture = SDL_CreateTexture(board::getRenderer(),
+            SDL_PIXELFORMAT_RGBA8888, 
+            SDL_TEXTUREACCESS_TARGET, 
+            SCREEN_WIDTH, SCREEN_HEIGHT);
+
     update();
 }
 
 weather::~weather(){
-
+    std::cerr << "WEATHER DECONSTRUCTOR\n";
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -36,10 +42,42 @@ void weather::draw(){
             > _update_interval){
         //TODO multithread this
         update();
+
+        update_texture();
     }
 
-    //TODO add this all to one canvas thing?
-    //BEGIN GRAPHICS
+    static SDL_Rect tgt = { 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT };
+
+    //SDL_RenderCopy(board::getRenderer(), _texture, NULL, 
+            //&tgt);
+
+    //TODO add this all to one texture
+
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Helper functions ///////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////
+// Update the information of the obj
+// This DOES NOT update the display
+void weather::update() {
+    std::cerr << "WEATHER::UPDATE\n";
+    _last_update = std::chrono::high_resolution_clock::now();
+
+    //fetch updates
+    _rss.update();
+    
+}
+
+///////////////////////////////////////
+// Update the texture that is being
+// displayed, based on data in 
+// _rss
+void weather::update_texture(){
+    //SDL_SetRenderTarget(board::getRenderer(), _texture);
+
     SDL_Rect tgt;
     tgt.x = 50;
     tgt.y = 50;
@@ -51,23 +89,5 @@ void weather::draw(){
             board::getString(_rss.getTitle(), 
                 { "Roboto_Mono/RobotoMono-Medium.ttf", 24 }), NULL, &tgt );
 
-
-
-    //END GRAPHICS
-
-    SDL_RenderPresent(board::getRenderer());
-
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Helper functions ///////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////////
-
-void weather::update() {
-    std::cerr << "WEATHER::UPDATE\n";
-    _last_update = std::chrono::high_resolution_clock::now();
-
-    //fetch updates
-    _rss.update();
-    
+    //SDL_SetRenderTarget(board::getRenderer(), NULL);
 }

src/panel/weather.hpp

@@ -27,6 +27,7 @@ namespace dashboard::panel {
 
     private:
         void update();
+        void update_texture();
 
         rss_utils::rss _rss;
         std::chrono::time_point<std::chrono::high_resolution_clock> _last_update;