Use vector for pixels in Image

src/fart/Image.cpp

@@ -1,12 +1,6 @@
 #include <fart/Image.h>
 
 Image::Image(size_t width, size_t height)
-    : width(width), height(height)
+    : width(width), height(height), pixels(width * height)
 {
-    this->pixels = new Color[width * height];
-}
-
-Image::~Image()
-{
-    delete[] this->pixels;
 }

src/fart/Image.h

@@ -2,14 +2,14 @@
 
 #include <fart/Color.h>
 #include <stddef.h>
+#include <vector>
 
 struct Image
 {
     size_t width;
     size_t height;
-    Color * pixels;
+    std::vector<Color> pixels;
     Image(size_t width, size_t height);
-    ~Image();
 
     Color & operator[](size_t x, size_t y)
     {