Spellbook.displayScaledPage C# (CSharp) Method

    public void displayScaledPage(HalfBook halfbook)
    {
        Rect textRect = halfbook.getTextRect();
            Rect bookRect = halfbook.getBookRect();

            half_code_style.fontSize = (int) (code_style.fontSize * bookRect.width / Screen.width);
            float fontScale = half_code_style.fontSize / ((float) code_style.fontSize);
            //float fontScale = bookRect.width / Screen.width;

            //GUI.SetNextControlName("SpellbookPage");
            GUI.DrawTexture(bookRect,currentPage().texture);
            //if (GUI.Button(bookRect,currentPage().texture))
            //    halfbook.setFocus();

            //GUI.SetNextControlName("ReferenceCode");
            GUILayout.BeginArea(textRect);
                scroll_position = GUILayout.BeginScrollView (scroll_position, GUILayout.Width(textRect.width), GUILayout.Height(textRect.height)); // Should vary the size of the last rect by how much text we have??

                foreach (Tuple<Rect, Texture2D> tup in (new Highlight()).highlightPage(currentPage().code)) {
                    //since we changed the font size, need to rescale the highlighting
                    Rect h = tup.Item1;
                    h.x = (h.x) * fontScale;
                    h.y = (h.y+2) /23 * half_code_style.lineHeight - 2*fontScale;
                    h.width *= fontScale;
                    h.height *= fontScale;
                        GUI.DrawTexture(h, tup.Item2);
                }

                GUILayout.TextArea(currentPage().code, half_code_style);
                //GUILayout.Label(currentPage().code, code_style);
                //GUILayout.Box(currentPage().code, code_style);

        GUILayout.EndScrollView();
                GUILayout.EndArea();
    }

 public void draw()
 {
     //GUI.BeginGroup(bookRect.getRect());
     //spellbook.displayCurrentPage();
     //GUI.EndGroup();
     spellbook.displayScaledPage(this);
     spellbook.pageChangeButtons(prevRect.getRect(), nextRect.getRect());
 }