Rotate.h
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上传日期:2013-08-04
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- /*
- * Copyright (c) 2001,2002,2003 Mike Matsnev. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice immediately at the beginning of the file, without modification,
- * this list of conditions, and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Absolutely no warranty of function or purpose is made by the author
- * Mike Matsnev.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $Id: Rotate.h,v 1.1.2.2 2003/10/12 15:11:21 mike Exp $
- *
- */
- #ifndef ROTATE_H
- #define ROTATE_H
- class CRotate {
- public:
- CRotate() : m_hCompatDC(NULL) { SetRotAngle(0); }
- ~CRotate() { if (m_hCompatDC) ::DeleteDC(m_hCompatDC); }
- void Window2System(POINT& pt,const RECT& cli) { m_tp(pt,cli); }
- void Window2System(RECT& rc,const RECT& cli) { m_tr(rc,cli); }
- void System2Window(POINT& pt,const RECT& cli) { m_rtp(pt,cli); }
- void System2Window(RECT& rc,const RECT& cli);
- void SetRotAngle(int angle);
- // drawing services
- void TDrawText(HDC dc,int x,int y,const RECT& cli,const RECT& r,
- const wchar_t *p,int lp,const int *dx,int flags=ETO_OPAQUE);
- void TDrawLine(HDC dc,const RECT& cli,int x1,int y1,int x2,int y2);
- void TDrawLine(HDC dc,const RECT& cli,const RECT& rc);
- // warning, this will transform the coordinates in place!
- void TDrawPolyLine(HDC dc,const RECT& cli,POINT *pt,int npt);
- void TDrawBitmap(HDC dc,HBITMAP hBmp,int x,int y,int sh,
- const RECT& cli,int bmw,int bmh,int bmy);
- private:
- // transforms
- typedef void (*TransformRectType)(RECT& rc,const RECT& cli);
- typedef void (*TransformPointType)(POINT& pt,const RECT& cli);
- TransformRectType m_tr;
- TransformPointType m_tp;
- TransformPointType m_rtp;
- int m_angle;
- HDC m_hCompatDC;
- };
- #endif