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#_/ ◆ Draw Shadowed and Framed Text - KGC_FrameShadowText ◆
#_/ ◇  Last Update: 2008/05/01 
#_/ ◆ Written by TOMY     
#_/ ◆ Translation by Mr. Anonymous                  
#_/ ◆ KGC Site:                                                   
#_/ ◆  http://ytomy.sakura.ne.jp/                                   
#_/ ◆ Translator's Blog:                                             
#_/ ◆  http://mraprojects.wordpress.com     
#_/-----------------------------------------------------------------------------
#_/  Installation: Insert this script above main.
#_/=============================================================================
#_/  Provides methods for scripts to draw text with framed or dropped shadow.
#_/   On its own, it does nothing. This is primarily a "scripter's tool".
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=begin
----------------------------------- Methods ------------------------------------

/------------------------------- Class - Bitmap --------------------------------
| draw_frame_text(x, y, width, height, string[, align, frame_color])
| draw_frame_text(rect, string[, align, frame_color])
|
|    x, y          : Drawing destination coordinates. [Integer]
|    width, height : Drawing size.                    [Integer]
|    rect          : Drawing area.                    [Rect]
|    string        : Drawn text output.               [String]
|    align         : Alightment.                      [Integer]
|    frame_color   : Frame color.                     [Color]
|                    
|  Draws a character string framed in 'frame_color'.
| 
|  draw_shadow_text(x, y, width, height, string[, align, frame_color])
|  draw_shadow_text(rect, string[, align, frame_color])
|
|    x, y          : Drawing destination coordinates. [Integer]
|    width, height : Drawing size.                    [Integer]
|    rect          : Drawing area.                    [Rect]
|    string        : Drawn text output.               [String]
|    align         : Alightment.                      [Integer]
|    frame_color   : Frame color.                     [Color]
|
| Draws a character string which drops shadow to lower right.
 \______________________________________________________________________________

=end

$imported = {} if $imported == nil
$imported["FrameShadowText"] = true

#==============================================================================
# ■ Bitmap
#==============================================================================

class Bitmap
  #--------------------------------------------------------------------------
  # ● Draw Framed Text
  #     x, y, width, height, string[, align, frame_color]
  #     rect, string[, align, frame_color]
  #--------------------------------------------------------------------------
  def draw_frame_text(*args)
    # 引数判定
    if args[0].is_a?(Rect)
      if args.size >= 2 && args.size <= 4
        # 引数を処理用のローカル変数へコピー
        x, y = args[0].x, args[0].y
        width, height = args[0].width, args[0].height
        string = args[1]
        align = args[2].equal?(nil) ? 0 : args[2]
        frame_color = args[3].equal?(nil) ? Color.new(0, 0, 0) : args[3]
      else
        # 引数が不正ならエラーを吐く
        raise(ArgumentError, "Wrong number of arguments(#{args.size} of #{args.size < 2 ? 2 : 4})")
        return
      end
    else
      if args.size >= 5 && args.size <= 7
        # 引数を処理用のローカル変数へコピー
        x, y, width, height = args
        string = args[4]
        align = args[5].equal?(nil) ? 0 : args[5]
        frame_color = args[6].equal?(nil) ? Color.new(0, 0, 0) : args[6]
      else
        # 引数が不正ならエラーを吐く
        raise(ArgumentError, "Wrong number of arguments(#{args.size} of #{args.size < 5 ? 5 : 7})")
        return
      end
    end
    # 元の色を保存
    origin_color = font.color.dup
    # 縁取り
    font.color = frame_color
    draw_text(x - 1, y - 1, width, height, string, align)
    draw_text(x - 1, y + 1, width, height, string, align)
    draw_text(x + 1, y - 1, width, height, string, align)
    draw_text(x + 1, y + 1, width, height, string, align)
    # 元の色に戻す
    font.color = origin_color
    draw_text(x, y, width, height, string, align)
  end
  #--------------------------------------------------------------------------
  # ● Draw Shadowed Text
  #     x, y, width, height, string[, align, shadow_color]
  #     rect, string[, align, shadow_color]
  #--------------------------------------------------------------------------
  def draw_shadow_text(*args)
    # 引数判定
    if args[0].is_a?(Rect)
      if args.size >= 2 && args.size <= 4
        # 引数を処理用のローカル変数へコピー
        x, y = args[0].x, args[0].y
        width, height = args[0].width, args[0].height
        string = args[1]
        align = args[2].equal?(nil) ? 0 : args[2]
        shadow_color = args[3].equal?(nil) ? Color.new(0, 0, 0) : args[3]
      else
        # 引数が不正ならエラーを吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 2 ? 2 : 4})")
        return
      end
    else
      if args.size >= 5 && args.size <= 7
        # 引数を処理用のローカル変数へコピー
        x, y, width, height = args
        string = args[4]
        align = args[5].equal?(nil) ? 0 : args[5]
        shadow_color = args[6].equal?(nil) ? Color.new(0, 0, 0) : args[6]
      else
        # 引数が不正ならエラーを吐く
        raise(ArgumentError, "wrong number of arguments(#{args.size} of #{args.size < 5 ? 5 : 7})")
        return
      end
    end
    # 元の色を保存
    origin_color = font.color.dup
    # 影描画
    font.color = shadow_color
    draw_text(x + 2, y + 2, width, height, string, align)
    # 元の色に戻す
    font.color = origin_color
    draw_text(x, y, width, height, string, align)
  end
end