Index: sakura_core/view/CViewSelect.h
===================================================================
--- sakura_core/view/CViewSelect.h	(リビジョン 47367)
+++ sakura_core/view/CViewSelect.h	(リビジョン 47414)
@@ -79,6 +79,7 @@
 		CLayoutInt			nLineNum,	//!< [in] 描画対象行(レイアウト行)
 		const CLayoutRange&	sRange		//!< [in] 選択範囲(レイアウト単位)
 	) const;
+	void PaintRectAsSelected( HDC canvas, const RECT& selected ) const; // DrawSelectArea()の下部ツール。描画ロジックの実装のみ。
 
 	//! 選択情報データの作成	2005.07.09 genta
 	void PrintSelectionInfoMsg() const;
Index: sakura_core/view/CViewSelect.cpp
===================================================================
--- sakura_core/view/CViewSelect.cpp	(リビジョン 47367)
+++ sakura_core/view/CViewSelect.cpp	(リビジョン 47414)
@@ -9,6 +9,8 @@
 #include "charset/CCodeFactory.h"
 #include "env/CShareData.h"
 #include "env/DLLSHAREDATA.h"
+#include "view/colors/CColorStrategy.h" // enum EColorIndexType
+#include "types/CTypeSupport.h"
 
 CViewSelect::CViewSelect(CEditView* pcEditView)
 : m_pcEditView(pcEditView)
@@ -157,209 +159,75 @@
 */
 void CViewSelect::DrawSelectArea() const
 {
-	const CEditView* pView=GetEditView();
-
+	CEditView* const pView = this->m_pcEditView;
 	if( !pView->GetDrawSwitch() ){
 		return;
 	}
+	const int nCharWidth = pView->GetTextMetrics().GetHankakuDx();
+	const int nCharHeight = pView->GetTextMetrics().GetHankakuDy();
 
-	CLayoutRange sRangeA;
+	RECT rcRedraw;
 
-	CLayoutInt			nLineNum;
-
-	m_bDrawSelectArea = true;
-
-	// 2006.10.01 Moca 重複コード統合
-	HDC         hdc = pView->GetDC();
-	HBRUSH      hBrush = ::CreateSolidBrush( SELECTEDAREA_RGB );
-	HBRUSH      hBrushOld = (HBRUSH)::SelectObject( hdc, hBrush );
-	int         nROP_Old = ::SetROP2( hdc, SELECTEDAREA_ROP2 );
-	// From Here 2007.09.09 Moca 互換BMPによる画面バッファ
-	HBRUSH		hBrushCompatOld;
-	int			nROPCompatOld;
-	if( pView->m_hbmpCompatBMP ){
-		hBrushCompatOld = (HBRUSH)::SelectObject( pView->m_hdcCompatDC, hBrush );
-		nROPCompatOld = ::SetROP2( pView->m_hdcCompatDC, SELECTEDAREA_ROP2 );
-	}
-	// To Here 2007.09.09 Moca
-
-//	MYTRACE_A( "DrawSelectArea()  m_bBeginBoxSelect=%hs\n", m_bBeginBoxSelect?"TRUE":"FALSE" );
 	if( IsBoxSelecting() ){		// 矩形範囲選択中
-		// 2001.12.21 hor 矩形エリアにEOFがある場合、RGN_XORで結合すると
-		// EOF以降のエリアも反転してしまうので、この場合はRedrawを使う
-		// 2002.02.16 hor ちらつきを抑止するためEOF以降のエリアが反転したらもう一度反転して元に戻すことにする
-		//if((GetTextArea().GetViewTopLine()+m_nViewRowNum+1>=m_pcEditDoc->m_cLayoutMgr.GetLineCount()) &&
-		//   (m_sSelect.GetTo().y+1 >= m_pcEditDoc->m_cLayoutMgr.GetLineCount() ||
-		//	m_sSelectOld.GetTo().y+1 >= m_pcEditDoc->m_cLayoutMgr.GetLineCount() ) ) {
-		//	Redraw();
-		//	return;
-		//}
 
-		const int nCharWidth = pView->GetTextMetrics().GetHankakuDx();
-		const int nCharHeight = pView->GetTextMetrics().GetHankakuDy();
+		CLayoutRect lrcOld, lrcNew;
+		RECT rcOld, rcNew;
 
+		TwoPointToRect( &lrcOld, m_sSelectOld.GetFrom(), m_sSelectOld.GetTo() );
+		lrcOld.left    = t_max(lrcOld.left  , pView->GetTextArea().GetViewLeftCol()  );
+		lrcOld.right   = t_max(lrcOld.right , pView->GetTextArea().GetViewLeftCol()  );
+		lrcOld.right   = t_min(lrcOld.right , pView->GetTextArea().GetRightCol() + 1 );
+		lrcOld.top     = t_max(lrcOld.top   , pView->GetTextArea().GetViewTopLine()  );
+		lrcOld.bottom  = t_min(lrcOld.bottom, pView->GetTextArea().GetBottomLine()   );
+		rcOld.left     = (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)lrcOld.left  * nCharWidth;
+		rcOld.right    = (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)lrcOld.right * nCharWidth;
+		rcOld.top      = (Int)( lrcOld.top - pView->GetTextArea().GetViewTopLine() ) * nCharHeight + pView->GetTextArea().GetAreaTop();
+		rcOld.bottom   = (Int)( lrcOld.bottom + 1 - pView->GetTextArea().GetViewTopLine() ) * nCharHeight + pView->GetTextArea().GetAreaTop();
 
-		// 2点を対角とする矩形を求める
-		CLayoutRect  rcOld;
-		TwoPointToRect(
-			&rcOld,
-			m_sSelectOld.GetFrom(),	// 範囲選択開始
-			m_sSelectOld.GetTo()	// 範囲選択終了
-		);
-		rcOld.left   = t_max(rcOld.left  , pView->GetTextArea().GetViewLeftCol()  );
-		rcOld.right  = t_max(rcOld.right , pView->GetTextArea().GetViewLeftCol()  );
-		rcOld.right  = t_min(rcOld.right , pView->GetTextArea().GetRightCol() + 1 );
-		rcOld.top    = t_max(rcOld.top   , pView->GetTextArea().GetViewTopLine()  );
-		rcOld.bottom = t_min(rcOld.bottom, pView->GetTextArea().GetBottomLine()   );
+		TwoPointToRect( &lrcNew, m_sSelect.GetFrom(), m_sSelect.GetTo() );
+		lrcNew.left    = t_max(lrcNew.left  , pView->GetTextArea().GetViewLeftCol() );
+		lrcNew.right   = t_max(lrcNew.right , pView->GetTextArea().GetViewLeftCol() );
+		lrcNew.right   = t_min(lrcNew.right , pView->GetTextArea().GetRightCol() + 1);
+		lrcNew.top     = t_max(lrcNew.top   , pView->GetTextArea().GetViewTopLine() );
+		lrcNew.bottom  = t_min(lrcNew.bottom, pView->GetTextArea().GetBottomLine()  );
+		rcNew.left     = (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)lrcNew.left  * nCharWidth;
+		rcNew.right    = (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)lrcNew.right * nCharWidth;
+		rcNew.top      = (Int)(lrcNew.top - pView->GetTextArea().GetViewTopLine()) * nCharHeight + pView->GetTextArea().GetAreaTop();
+		rcNew.bottom   = (Int)(lrcNew.bottom + 1 - pView->GetTextArea().GetViewTopLine()) * nCharHeight + pView->GetTextArea().GetAreaTop();
 
-		RECT rcOld2;
-		rcOld2.left		= (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)rcOld.left  * nCharWidth;
-		rcOld2.right	= (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)rcOld.right * nCharWidth;
-		rcOld2.top		= (Int)( rcOld.top - pView->GetTextArea().GetViewTopLine() ) * nCharHeight + pView->GetTextArea().GetAreaTop();
-		rcOld2.bottom	= (Int)( rcOld.bottom + 1 - pView->GetTextArea().GetViewTopLine() ) * nCharHeight + pView->GetTextArea().GetAreaTop();
-		HRGN hrgnOld = ::CreateRectRgnIndirect( &rcOld2 );
-
-		// 2点を対角とする矩形を求める
-		CLayoutRect  rcNew;
-		TwoPointToRect(
-			&rcNew,
-			m_sSelect.GetFrom(),	// 範囲選択開始
-			m_sSelect.GetTo()		// 範囲選択終了
-		);
-		rcNew.left   = t_max(rcNew.left  , pView->GetTextArea().GetViewLeftCol() );
-		rcNew.right  = t_max(rcNew.right , pView->GetTextArea().GetViewLeftCol() );
-		rcNew.right  = t_min(rcNew.right , pView->GetTextArea().GetRightCol() + 1);
-		rcNew.top    = t_max(rcNew.top   , pView->GetTextArea().GetViewTopLine() );
-		rcNew.bottom = t_min(rcNew.bottom, pView->GetTextArea().GetBottomLine()  );
-
-		RECT rcNew2;
-		rcNew2.left		= (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)rcNew.left  * nCharWidth;
-		rcNew2.right	= (pView->GetTextArea().GetAreaLeft() - (Int)pView->GetTextArea().GetViewLeftCol() * nCharWidth) + (Int)rcNew.right * nCharWidth;
-		rcNew2.top		= (Int)(rcNew.top - pView->GetTextArea().GetViewTopLine()) * nCharHeight + pView->GetTextArea().GetAreaTop();
-		rcNew2.bottom	= (Int)(rcNew.bottom + 1 - pView->GetTextArea().GetViewTopLine()) * nCharHeight + pView->GetTextArea().GetAreaTop();
-
-		HRGN hrgnNew = ::CreateRectRgnIndirect( &rcNew2 );
-
-		// 矩形作画。
-		// ::CombineRgn()の結果を受け取るために、適当なリージョンを作る
-		HRGN hrgnDraw = ::CreateRectRgnIndirect( &rcNew2 );
-		{
-			// 旧選択矩形と新選択矩形のリージョンを結合し､ 重なりあう部分だけを除去します
-			if( NULLREGION != ::CombineRgn( hrgnDraw, hrgnOld, hrgnNew, RGN_XOR ) ){
-
-				// 2002.02.16 hor
-				// 結合後のエリアにEOFが含まれる場合はEOF以降の部分を除去します
-				// 2006.10.01 Moca リーソースリークを修正したら、チラつくようになったため、
-				// 抑えるために EOF以降をリージョンから削除して1度の作画にする
-
-				// 2006.10.01 Moca Start EOF位置計算をGetEndLayoutPosに書き換え。
-				CLayoutPoint ptLast;
-				pView->m_pcEditDoc->m_cLayoutMgr.GetEndLayoutPos( &ptLast );
-				// 2006.10.01 Moca End
-				if(m_sSelect.GetFrom().y>=ptLast.y || m_sSelect.GetTo().y>=ptLast.y ||
-					m_sSelectOld.GetFrom().y>=ptLast.y || m_sSelectOld.GetTo().y>=ptLast.y){
-					//	Jan. 24, 2004 genta nLastLenは物理桁なので変換必要
-					//	最終行にTABが入っていると反転範囲が不足する．
-					//	2006.10.01 Moca GetEndLayoutPosで処理するためColumnToIndexは不要に。
-					RECT rcNew;
-					rcNew.left   = pView->GetTextArea().GetAreaLeft() + (Int)(pView->GetTextArea().GetViewLeftCol() + ptLast.x) * nCharWidth;
-					rcNew.right  = pView->GetTextArea().GetAreaRight();
-					rcNew.top    = (Int)(ptLast.y - pView->GetTextArea().GetViewTopLine()) * nCharHeight + pView->GetTextArea().GetAreaTop();
-					rcNew.bottom = rcNew.top + nCharHeight;
-					
-					// 2006.10.01 Moca GDI(リージョン)リソースリーク修正
-					HRGN hrgnEOFNew = ::CreateRectRgnIndirect( &rcNew );
-					::CombineRgn( hrgnDraw, hrgnDraw, hrgnEOFNew, RGN_DIFF );
-					::DeleteObject( hrgnEOFNew );
-				}
-				::PaintRgn( hdc, hrgnDraw );
-				// From Here 2007.09.09 Moca 互換BMPによる画面バッファ
-				if( pView->m_hbmpCompatBMP ){
-					::PaintRgn( pView->m_hdcCompatDC, hrgnDraw );
-				}
-				// To Here 2007.09.09 Moca
-			}
+		UnionRect( &rcRedraw, &rcOld, &rcNew );
+	} else {
+		CLayoutRange unionRange = m_sSelectOld; // 旧選択範囲と新選択範囲の両方を含む最小の範囲。
+		// m_sSelectOld ∪ m_sSelect
+		if (m_sSelect.GetFrom() < unionRange.GetFrom()) {
+			*(unionRange.GetFromPointer()) = m_sSelect.GetFrom();
 		}
-
-		//////////////////////////////////////////
-		// デバッグ用 リージョン矩形のダンプ
-//@@		TraceRgn( hrgnDraw );
-
-
-		if( NULL != hrgnDraw ){
-			::DeleteObject( hrgnDraw );
+		if (unionRange.GetTo() < m_sSelect.GetTo()) {
+			*(unionRange.GetToPointer()) = m_sSelect.GetTo();
 		}
-		if( NULL != hrgnNew ){
-			::DeleteObject( hrgnNew );
+		// CLayoutRange -> RECT
+		if (unionRange.GetFrom().y != unionRange.GetTo().y) {
+			rcRedraw.left  = pView->GetTextArea().GetAreaLeft();
+			rcRedraw.right = pView->GetTextArea().GetAreaRight();
+		} else {
+			rcRedraw.left  = pView->GetTextArea().GetAreaLeft() + std::max( 0, nCharWidth * (unionRange.GetFrom().x - pView->GetTextArea().GetViewLeftCol()) );
+			rcRedraw.right = pView->GetTextArea().GetAreaLeft() + std::max( 0, nCharWidth * (unionRange.GetTo().x + 1 - pView->GetTextArea().GetViewLeftCol()) );
+			rcRedraw.right = std::min<int>( rcRedraw.right, pView->GetTextArea().GetAreaRight() );
 		}
-		if( NULL != hrgnOld ){
-			::DeleteObject( hrgnOld );
-		}
-	}else{
-
-		// 現在描画されている範囲と始点が同じ
-		if( m_sSelect.GetFrom() == m_sSelectOld.GetFrom() ){
-			// 範囲が後方に拡大された
-			if( PointCompare(m_sSelect.GetTo(),m_sSelectOld.GetTo()) > 0 ){
-				sRangeA.SetFrom(m_sSelectOld.GetTo());
-				sRangeA.SetTo  (m_sSelect.GetTo());
-			}
-			else{
-				sRangeA.SetFrom(m_sSelect.GetTo());
-				sRangeA.SetTo  (m_sSelectOld.GetTo());
-			}
-			for( nLineNum = sRangeA.GetFrom().GetY2(); nLineNum <= sRangeA.GetTo().GetY2(); ++nLineNum ){
-				if( nLineNum >= pView->GetTextArea().GetViewTopLine() && nLineNum <= pView->GetTextArea().GetBottomLine() + 1 ){
-					DrawSelectAreaLine(	hdc, nLineNum, sRangeA);
-				}
-			}
-		}
-		else if( m_sSelect.GetTo() == m_sSelectOld.GetTo() ){
-			// 範囲が前方に拡大された
-			if(PointCompare(m_sSelect.GetFrom(),m_sSelectOld.GetFrom()) < 0){
-				sRangeA.SetFrom(m_sSelect.GetFrom());
-				sRangeA.SetTo  (m_sSelectOld.GetFrom());
-			}
-			else{
-				sRangeA.SetFrom(m_sSelectOld.GetFrom());
-				sRangeA.SetTo  (m_sSelect.GetFrom());
-			}
-			for( nLineNum = sRangeA.GetFrom().GetY2(); nLineNum <= sRangeA.GetTo().GetY2(); ++nLineNum ){
-				if( nLineNum >= pView->GetTextArea().GetViewTopLine() && nLineNum <= pView->GetTextArea().GetBottomLine() + 1 ){
-					DrawSelectAreaLine( hdc, nLineNum, sRangeA );
-				}
-			}
-		}
-		else{
-			sRangeA = m_sSelectOld;
-			for( nLineNum = sRangeA.GetFrom().GetY2(); nLineNum <= sRangeA.GetTo().GetY2(); ++nLineNum ){
-				if( nLineNum >= pView->GetTextArea().GetViewTopLine() && nLineNum <= pView->GetTextArea().GetBottomLine() + 1 ){
-					DrawSelectAreaLine( hdc, nLineNum, sRangeA );
-				}
-			}
-			sRangeA = m_sSelect;
-			for( nLineNum = sRangeA.GetFrom().GetY2(); nLineNum <= sRangeA.GetTo().GetY2(); ++nLineNum ){
-				if( nLineNum >= pView->GetTextArea().GetViewTopLine() && nLineNum <= pView->GetTextArea().GetBottomLine() + 1 ){
-					DrawSelectAreaLine( hdc, nLineNum, sRangeA );
-				}
-			}
-		}
+		rcRedraw.top    = pView->GetTextArea().GetAreaTop() + std::max( 0, nCharHeight * (unionRange.GetFrom().y - pView->GetTextArea().GetViewTopLine()) );
+		rcRedraw.bottom = pView->GetTextArea().GetAreaTop() + std::max( 0, nCharHeight * (unionRange.GetTo().y + 1 - pView->GetTextArea().GetViewTopLine()) );
+		rcRedraw.bottom = std::min<int>( rcRedraw.bottom, pView->GetTextArea().GetAreaBottom() );
 	}
 
-	// From Here 2007.09.09 Moca 互換BMPによる画面バッファ
-	if( pView->m_hbmpCompatBMP ){
-		::SetROP2( pView->m_hdcCompatDC, nROPCompatOld );
-		::SelectObject( pView->m_hdcCompatDC, hBrushCompatOld );
-	}
-	// To Here 2007.09.09 Moca
-
-	// 2006.10.01 Moca 重複コード統合
-	::SetROP2( hdc, nROP_Old );
-	::SelectObject( hdc, hBrushOld );
-	::DeleteObject( hBrush );
-	pView->ReleaseDC( hdc );
 	//	Jul. 9, 2005 genta 選択領域の情報を表示
 	PrintSelectionInfoMsg();
+
+	HDC hdc = pView->GetDC();
+	PAINTSTRUCT ps = { hdc, 0, rcRedraw };
+	pView->OnPaint( hdc, &ps, FALSE );
+	pView->ReleaseDC( hdc );
+
+	m_bDrawSelectArea = true;
 }
 
 
@@ -442,23 +310,87 @@
 	//	必要なときだけ。
 	if ( rcClip.right != rcClip.left ){
 		pView->GetCaret().m_cUnderLine.CaretUnderLineOFF( TRUE );
-		
 		// 2006.03.28 Moca 表示域内のみ処理する
 		if( nSelectFrom <=pView->GetTextArea().GetRightCol() && pView->GetTextArea().GetViewLeftCol() < nSelectTo ){
-			HRGN hrgnDraw = ::CreateRectRgn( rcClip.left, rcClip.top, rcClip.right, rcClip.bottom );
-			::PaintRgn( hdc, hrgnDraw );
-			// From Here 2007.09.09 Moca 互換BMPによる画面バッファ
-			if( pView->m_hbmpCompatBMP ){
-				::PaintRgn( pView->m_hdcCompatDC, hrgnDraw );
+			PaintRectAsSelected( hdc, rcClip );
+			if( pView->m_hbmpCompatBMP ) {
+				PaintRectAsSelected( pView->m_hdcCompatDC, rcClip );
 			}
-			// To Here 2007.09.09 Moca
-			::DeleteObject( hrgnDraw );
 		}
 	}
 }
 
 
+void CViewSelect::PaintRectAsSelected( HDC canvas, const RECT& selected ) const
+{
+	const CTypeSupport selColorSetting( this->m_pcEditView, COLORIDX_SELECT );
+	if (selColorSetting.IsDisp()) { // 半透明描画
+		HDC hdcMem = CreateCompatibleDC( canvas );
+		HBITMAP hBmp = CreateCompatibleBitmap( canvas, selected.right - selected.left, selected.bottom - selected.top );
+		SelectObject( hdcMem, hBmp );
+		BitBlt( hdcMem, 0, 0, selected.right - selected.left, selected.bottom - selected.top,
+			canvas, selected.left, selected.top, SRCCOPY
+		);
+		BITMAP bmpSelected;
+		GetObject( hBmp, sizeof bmpSelected, &bmpSelected );
+		const DWORD bmpbitsSize = ((bmpSelected.bmWidth * 32 + 31) / 32) * bmpSelected.bmHeight * 4;
+		std::vector<BYTE> bmpinfoBuffer( sizeof(BITMAPINFOHEADER) + bmpbitsSize, 0 );
+		BITMAPINFO& bmpinfo = *reinterpret_cast<BITMAPINFO*>(&bmpinfoBuffer[0]);
+		BITMAPINFOHEADER& bmpinfoHeader = *reinterpret_cast<BITMAPINFOHEADER*>(&bmpinfoBuffer[0]);
+		RGBQUAD* const pBits = reinterpret_cast<RGBQUAD*>(&bmpinfoBuffer[sizeof(BITMAPINFOHEADER)]);
+		bmpinfoHeader.biSize = sizeof BITMAPINFOHEADER;
+		bmpinfoHeader.biWidth = bmpSelected.bmWidth;
+		bmpinfoHeader.biHeight = bmpSelected.bmHeight;
+		bmpinfoHeader.biPlanes = 1;
+		bmpinfoHeader.biBitCount = 32;
+		bmpinfoHeader.biCompression = BI_RGB;
+		bmpinfoHeader.biSizeImage = 0;
+		bmpinfoHeader.biXPelsPerMeter = 0;
+		bmpinfoHeader.biYPelsPerMeter = 0;
+		bmpinfoHeader.biClrUsed = 0;
+		bmpinfoHeader.biClrImportant = 0;
+		const int copiedLines = GetDIBits( hdcMem, hBmp, 0, bmpSelected.bmHeight,
+			pBits, &bmpinfo, DIB_RGB_COLORS
+		);
+		const RGBTRIPLE selectedColor = {
+			GetBValue(selColorSetting.GetTextColor()) * GetBValue(selColorSetting.GetBackColor()) >> 8,
+			GetGValue(selColorSetting.GetTextColor()) * GetGValue(selColorSetting.GetBackColor()) >> 8,
+			GetRValue(selColorSetting.GetTextColor()) * GetRValue(selColorSetting.GetBackColor()) >> 8
+		};
+		const RGBTRIPLE sourceAlpha = {
+			0xFF - GetBValue(selColorSetting.GetTextColor()),
+			0xFF - GetGValue(selColorSetting.GetTextColor()),
+			0xFF - GetRValue(selColorSetting.GetTextColor())
+		};
+		for (RGBQUAD* pQuad = pBits; pQuad < pBits + bmpSelected.bmWidth * copiedLines; ++pQuad) {
+			pQuad->rgbBlue  = (pQuad->rgbBlue  * sourceAlpha.rgbtBlue  >> 8) + selectedColor.rgbtBlue;
+			pQuad->rgbGreen = (pQuad->rgbGreen * sourceAlpha.rgbtGreen >> 8) + selectedColor.rgbtGreen;
+			pQuad->rgbRed   = (pQuad->rgbRed   * sourceAlpha.rgbtRed   >> 8) + selectedColor.rgbtRed;
+		}
+		SetDIBits( hdcMem, hBmp, 0, copiedLines, pBits, &bmpinfo, DIB_RGB_COLORS );
+		BitBlt( canvas, selected.left, selected.top, selected.right - selected.left, selected.bottom - selected.top,
+			hdcMem, 0, 0, SRCCOPY
+		);
 
+		DeleteDC( hdcMem );
+		DeleteObject( hBmp );
+	} else { // 反転描画
+		HBRUSH hBrush    = ::CreateSolidBrush( SELECTEDAREA_RGB );
+		//HBRUSH hBrush    = ::CreateSolidBrush( selColorSetting.GetBackColor() ^ CTypeSupport(this, COLORIDX_TEXT).GetBackColor() ); // assuming SELECTEDAREA_ROP2 == XOR
+
+		int    nROP_Old  = ::SetROP2( canvas, SELECTEDAREA_ROP2 );
+		HBRUSH hBrushOld = (HBRUSH)::SelectObject( canvas, hBrush );
+		HRGN hrgnDraw = ::CreateRectRgn( selected.left, selected.top, selected.right, selected.bottom );
+		::PaintRgn( canvas, hrgnDraw );
+		::DeleteObject( hrgnDraw );
+
+		SetROP2( canvas, nROP_Old );
+		SelectObject( canvas, hBrushOld );
+		DeleteObject( hBrush );
+	}
+}
+
+
 /*!	選択範囲情報メッセージの表示
 
 	@author genta
Index: sakura_core/view/CEditView_Paint.cpp
===================================================================
--- sakura_core/view/CEditView_Paint.cpp	(リビジョン 47367)
+++ sakura_core/view/CEditView_Paint.cpp	(リビジョン 47414)
@@ -857,7 +857,6 @@
 	RECT		rcClip;
 	int			nLineHeight = GetTextMetrics().GetHankakuDy();
 	int			nCharWidth = GetTextMetrics().GetHankakuDx();
-	HRGN		hrgnDraw;
 	const CLayout* pcLayout = m_pcEditDoc->m_cLayoutMgr.SearchLineByLayoutY( nLineNum );
 
 	/* 選択範囲内の行かな */
@@ -945,18 +944,8 @@
 			if( rcClip.right > GetTextArea().GetAreaRight() ){
 				rcClip.right = GetTextArea().GetAreaRight();
 			}
-			
-			HBRUSH hBrush    = ::CreateSolidBrush( SELECTEDAREA_RGB );
 
-			int    nROP_Old  = ::SetROP2( hdc, SELECTEDAREA_ROP2 );
-			HBRUSH hBrushOld = (HBRUSH)::SelectObject( hdc, hBrush );
-			hrgnDraw = ::CreateRectRgn( rcClip.left, rcClip.top, rcClip.right, rcClip.bottom );
-			::PaintRgn( hdc, hrgnDraw );
-			::DeleteObject( hrgnDraw );
-
-			SetROP2( hdc, nROP_Old );
-			SelectObject( hdc, hBrushOld );
-			DeleteObject( hBrush );
+			this->m_cViewSelect.PaintRectAsSelected( hdc, rcClip );
 		}
 //	}
 	return;
Index: sakura_core/view/colors/CColorStrategy.h
===================================================================
--- sakura_core/view/colors/CColorStrategy.h	(リビジョン 47367)
+++ sakura_core/view/colors/CColorStrategy.h	(リビジョン 47414)
@@ -62,6 +62,7 @@
 	COLORIDX_DIFF_DELETE,	// DIFF追加  //@@@ 2002.06.01 MIK
 	COLORIDX_BRACKET_PAIR,	// 対括弧	  // 02/09/18 ai Add
 	COLORIDX_MARK,			// ブックマーク  // 02/10/16 ai Add
+	COLORIDX_SELECT,                // 選択領域
 
 	//カラーの最後
 	COLORIDX_LAST,
Index: sakura_core/view/colors/CColorStrategy.cpp
===================================================================
--- sakura_core/view/colors/CColorStrategy.cpp	(リビジョン 47367)
+++ sakura_core/view/colors/CColorStrategy.cpp	(リビジョン 47414)
@@ -227,6 +227,7 @@
 	{_T("DFD"), 0},	//DIFF削除	//@@@ 2002.06.01 MIK
 	{_T("BRC"), 0},	//対括弧	// 02/09/18 ai Add
 	{_T("MRK"), 0},	//ブックマーク	// 02/10/16 ai Add
+	{_T("SEL"), COLOR_ATTRIB_NO_BOLD | COLOR_ATTRIB_NO_UNDERLINE}, // 選択領域。
 	{_T("LAST"), 0}	// Not Used
 };
 
Index: sakura_core/doc/CDocTypeSetting.cpp
===================================================================
--- sakura_core/doc/CDocTypeSetting.cpp	(リビジョン 47367)
+++ sakura_core/doc/CDocTypeSetting.cpp	(リビジョン 47414)
@@ -63,6 +63,7 @@
 	_T("DIFF差分表示(削除)"),				FALSE,		FALSE,		FALSE,		RGB(   0,   0,   0 ),	RGB( 255, 251, 240 ),	//@@@ 2002.06.01 MIK
 	_T("対括弧の強調表示"),					FALSE,		TRUE,		FALSE,		RGB( 128,   0,   0 ),	RGB( 255, 251, 240 ),	// 02/09/18 ai
 	_T("ブックマーク"),						TRUE ,		FALSE,		FALSE,		RGB( 255, 251, 240 ),	RGB(   0, 128, 192 ),	// 02/10/16 ai
+	_T("選択領域"), TRUE, FALSE, FALSE, RGB(63, 63, 63), RGB(51, 153, 255),
 };
 
 void GetDefaultColorInfo(ColorInfo* pColorInfo, int nIndex)
Index: sakura_core/basis/CMyPoint.h
===================================================================
--- sakura_core/basis/CMyPoint.h	(リビジョン 47367)
+++ sakura_core/basis/CMyPoint.h	(リビジョン 47414)
@@ -69,8 +69,11 @@
 	if(pt1.y!=pt2.y)return (Int)(pt1.y-pt2.y);
 	return (Int)(pt1.x-pt2.x);
 }
+template <class POINT_T> inline bool operator < (POINT_T left, POINT_T right) { return PointCompare(left, right) < 0; }
+template <class POINT_T> inline bool operator > (POINT_T left, POINT_T right) { return PointCompare(left, right) > 0; }
+template <class POINT_T> inline bool operator <= (POINT_T left, POINT_T right) { return PointCompare(left, right) <= 0; }
+template <class POINT_T> inline bool operator >= (POINT_T left, POINT_T right) { return PointCompare(left, right) >= 0; }
 
-
 //! 2点を対角とする矩形を求める
 template <class POINT_T>
 inline void TwoPointToRect(