Changing from RenderWindow to RenderTarget so the GUI can be rendered into a texture for zooming/saving.

src/guecs/sfml/components.cpp

@@ -46,7 +46,7 @@ namespace guecs {
     text->setCharacterSize(size);
   }
 
-  void Text::render(sf::RenderWindow& window, sf::Shader *shader_ptr) {
+  void Text::render(sf::RenderTarget& window, sf::Shader *shader_ptr) {
     window.draw(*text, shader_ptr);
   }
 
@@ -87,7 +87,7 @@ namespace guecs {
     sfml_center_helper(sprite, cell, padding);
   }
 
-  void Sprite::render(sf::RenderWindow& window, sf::Shader *shader_ptr) {
+  void Sprite::render(sf::RenderTarget& window, sf::Shader *shader_ptr) {
     window.draw(*sprite, shader_ptr);
   }
 
@@ -101,7 +101,7 @@ namespace guecs {
     sfml_center_helper(shape, cell, padding);
   }
 
-  void Rectangle::render(sf::RenderWindow& window, sf::Shader *shader_ptr) {
+  void Rectangle::render(sf::RenderTarget& window, sf::Shader *shader_ptr) {
     window.draw(*shape, shader_ptr);
   }
 
@@ -114,7 +114,7 @@ namespace guecs {
     bar.init(cell);
   }
 
-  void Meter::render(lel::Cell& cell, sf::RenderWindow& window, sf::Shader *shader_ptr) {
+  void Meter::render(lel::Cell& cell, sf::RenderTarget& window, sf::Shader *shader_ptr) {
     float level = std::clamp(percent, 0.0f, 1.0f) * float(cell.w);
     // ZED: this 6 is a border width, make it a thing
     bar.shape->setSize({std::max(level, 0.0f), float(cell.h - 6)});
@@ -170,7 +170,7 @@ namespace guecs {
     }
   }
 
-  void Background::render(sf::RenderWindow& window) {
+  void Background::render(sf::RenderTarget& window) {
     if(shape != nullptr) {
       window.draw(*shape);
     }