Working on parser

src/dawn/display/Color.hpp

@@ -18,6 +18,33 @@ namespace Dawn {
         (float_t)a / 100.0f
       };
     }
+
+    struct Color operator * (const float_t &x) {
+      return {
+        (uint8_t)(r * x),
+        (uint8_t)(g * x),
+        (uint8_t)(b * x),
+        (uint8_t)(a * x)
+      };
+    }
+
+    struct Color operator - (const struct Color &color) {
+      return {
+        (uint8_t)(r - color.r),
+        (uint8_t)(g - color.g),
+        (uint8_t)(b - color.b),
+        (uint8_t)(a - color.a)
+      };
+    }
+
+    struct Color operator + (const struct Color &color) {
+      return {
+        (uint8_t)(r + color.r),
+        (uint8_t)(g + color.g),
+        (uint8_t)(b + color.b),
+        (uint8_t)(a + color.a)
+      };
+    }
   };
 
   #define COLOR_WHITE { 255, 255, 255, 100 }