remove non-Rect versions of Draw{Texture,Box}

Program.cs

@@ -305,7 +305,7 @@ public class Game : GameWindow {
     int photoWidth = (int) (1.0 * windowHeight / active.Height * active.Width);
     int letterboxWidth = (maxPhotoWidth - photoWidth) / 2;
 
-    DrawTexture(active, letterboxWidth, 0, photoWidth, windowHeight);
+    DrawTexture(active, new Rectangle(letterboxWidth, 0, photoWidth, windowHeight));
     for (int i = 0; i < textures.Count; i++) {
       Rectangle box = new Rectangle(windowWidth - thumbnailWidth, i * thumbnailHeight, thumbnailWidth, thumbnailHeight);
       DrawTexture(textures[i], box);
@@ -318,25 +318,17 @@ public class Game : GameWindow {
   }
 
   void DrawTexture(Texture texture, Rectangle box) {
-    DrawTexture(texture, box.Left, box.Top, box.Width, box.Height);
-  }
-
-  void DrawTexture(Texture texture, int left, int top, int width, int height) {
-    SetVertices(left, top, width, height);
+    SetVertices(box.Left, box.Top, box.Width, box.Height);
     GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.DynamicDraw);
     GL.BindTexture(TextureTarget.Texture2D, texture.Handle);
     GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedInt, 0);
   }
 
   void DrawBox(Rectangle box, int thickness) {
-    DrawBox(box.Left, box.Top, box.Width, box.Height, thickness);
-  }
-
-  void DrawBox(int left, int top, int width, int height, int thickness) {
-    DrawTexture(TEXTURE_WHITE, left, top, width, thickness);
-    DrawTexture(TEXTURE_WHITE, left, top, thickness, height);
-    DrawTexture(TEXTURE_WHITE, left, top + height - thickness, width, thickness);
-    DrawTexture(TEXTURE_WHITE, left + width - thickness, top, thickness, height);
+    DrawTexture(TEXTURE_WHITE, new Rectangle(box.Left, box.Top, box.Width, thickness));
+    DrawTexture(TEXTURE_WHITE, new Rectangle(box.Left, box.Top, thickness, box.Height));
+    DrawTexture(TEXTURE_WHITE, new Rectangle(box.Left, box.Top + box.Height - thickness, box.Width, thickness));
+    DrawTexture(TEXTURE_WHITE, new Rectangle(box.Left + box.Width - thickness, box.Top, thickness, box.Height));
   }
 
   protected override void OnResize(ResizeEventArgs e) {