+ Added brightness reading for image objects

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

src/WallpaperEngine/Core/Objects/CImage.cpp

@@ -18,13 +18,15 @@ CImage::CImage (
         const glm::vec2& size,
         std::string alignment,
         const glm::vec3& color,
-        float alpha) :
+        float alpha,
+        float brightness) :
         CObject (visible, id, std::move(name), Type, origin, scale, angles),
         m_size (size),
         m_material (material),
         m_alignment (std::move(alignment)),
         m_color (color),
-        m_alpha (alpha)
+        m_alpha (alpha),
+        m_brightness (brightness)
 {
 }
 
@@ -43,6 +45,7 @@ WallpaperEngine::Core::CObject* CImage::fromJSON (
     auto alignment = jsonFindDefault <std::string> (data, "alignment", "center");
     auto alpha = jsonFindDefault <float> (data, "alpha", 1.0);
     auto color_val = jsonFindDefault <std::string> (data, "color", "1.0 1.0 1.0");
+    auto brightness_val = jsonFindDefault <float> (data, "brightness", 1.0);
 
     json content = json::parse (WallpaperEngine::FileSystem::loadFullFile ((*image_it).get <std::string> (), container));
 
@@ -59,7 +62,8 @@ WallpaperEngine::Core::CObject* CImage::fromJSON (
         WallpaperEngine::Core::aToVector2 (size_val),
         alignment,
         WallpaperEngine::Core::aToVector3 (color_val),
-        alpha
+        alpha,
+        brightness_val
     );
 }
 
@@ -88,4 +92,9 @@ const glm::vec3& CImage::getColor () const
     return this->m_color;
 }
 
+const float CImage::getBrightness () const
+{
+    return this->m_brightness;
+}
+
 const std::string CImage::Type = "image";

src/WallpaperEngine/Core/Objects/CImage.h

@@ -33,6 +33,7 @@ namespace WallpaperEngine::Core::Objects
         const std::string& getAlignment () const;
         const float getAlpha () const;
         const glm::vec3& getColor () const;
+        const float getBrightness () const;
 
     protected:
         CImage (
@@ -46,7 +47,8 @@ namespace WallpaperEngine::Core::Objects
                 const glm::vec2& size,
                 std::string alignment,
                 const glm::vec3& color,
-                float alpha
+                float alpha,
+                float brightness
         );
 
         static const std::string Type;
@@ -56,6 +58,7 @@ namespace WallpaperEngine::Core::Objects
         Images::CMaterial* m_material;
         std::string m_alignment;
         float m_alpha;
+        float m_brightness;
         glm::vec3 m_color;
     };
 };

src/WallpaperEngine/Render/Objects/Effects/CPass.cpp

@@ -465,8 +465,8 @@ void CPass::setupUniforms ()
     }
 
     // register variables like brightness and alpha with some default value
-    this->addUniform ("g_Brightness", 1.0f); // TODO: GET FROM THE IMAGE
-    this->addUniform ("g_UserAlpha", 1.0f);
+    this->addUniform ("g_Brightness", this->m_material->getImage ()->getImage ()->getBrightness ());
+    this->addUniform ("g_UserAlpha", this->m_material->getImage ()->getImage ()->getAlpha ());
     this->addUniform ("g_Alpha", this->m_material->getImage ()->getImage ()->getAlpha ());
     this->addUniform ("g_Color", this->m_material->getImage ()->getImage ()->getColor ());
     // add some external variables