附录5:七巧板程序 附录5:七巧板程序 / Example13-7:七巧板程序 #include <afxwin. h> ∥/拼板类 #define maX points #define ChIP Width 240 #define delta class CChip: public CObject DECLARE SERIAL (CChip) CPoint m pointList [MAX POINTS int m nPointCount bli CChipo( voidSetChip(int type, POINT *ppointlist, int count) void DrawChip(CDC *pDC) BOOLPt In Chip (point point) LPCRECT GetRect o void Move To(CSize offset voidSerialize(CArchive &ar) IMPLEMENT SERIAL (CChip, COb ject, 1) /设置拼图块参数 void CChip: SetChip (int type, POINT *ppointlist, int count m for (int i=0; i<count: i++)
附录 5：七巧板程序 372 附录 5: 七巧板程序 // Example 13-7: 七巧板程序 ////////////////////////////////// #include <afxwin.h> #include <afxext.h> // 拼板类 //////////////////////////////////////////////////// #define MAX_POINTS 4 #define CHIP_WIDTH 240 #define DELTA 30 class CChip : public CObject { DECLARE_SERIAL(CChip) int m_nType; CPoint m_pointList[MAX_POINTS]; int m_nPointCount; public: CChip(){} voidSetChip(int type, POINT *ppointlist, int count); voidDrawChip(CDC *pDC); BOOLPtInChip(POINT point); LPCRECT GetRect(); voidMoveTo(CSize offset); voidRotation(); voidSerialize(CArchive &ar); }; IMPLEMENT_SERIAL(CChip, CObject, 1) // 设置拼图块参数 void CChip::SetChip(int type, POINT *ppointlist, int count) { m_nType = type; m_nPointCount = count; for(int i=0; i<count; i++)
附录5:七巧板程序 m pointlist li]= ppointlistlil /绘出拼图块 void CChip: Draw Chip(CDC apDC CPen penNew, *ppenold CBrush brushNew, *pbrushold switch(m n Type) brushNew. CreateSolidBrush(RGB (127, 127, 127)) break brushNew. CreateSolidBrush(RGB(255, 0, 0)) case 3 brushNew. CreateSolidBrush (RGB(0, 255, 0)) break case 4 brushNew. CreateSolidBrush(RGB(0, 0, 255)) break case 5 brushNew.CreateSolidBrush(RGB(127, 127, 0)) break case brushNew. CreateSolidBrush (RGB(127, 0, 127)) break case brushNew. CreateSolidBrush(RGB(0, 127, 127)) pen New CreatePen(PS SOLID, 1, RGB(o, 0, 0)) renold pDC->SelectObject(&penNew) pbrushold pDC->SelectObject(&brushNew)
附录 5：七巧板程序 373 m_pointList[i] = ppointlist[i]; } // 绘出拼图块 void CChip::DrawChip(CDC *pDC) { CPenpenNew, *ppenOld; CBrush brushNew, *pbrushOld; switch(m_nType) { case 1: brushNew.CreateSolidBrush(RGB(127, 127, 127)); break; case 2: brushNew.CreateSolidBrush(RGB(255, 0, 0)); break; case 3: brushNew.CreateSolidBrush(RGB(0, 255, 0)); break; case 4: brushNew.CreateSolidBrush(RGB(0, 0, 255)); break; case 5: brushNew.CreateSolidBrush(RGB(127, 127, 0)); break; case 6: brushNew.CreateSolidBrush(RGB(127, 0, 127)); break; case 7: brushNew.CreateSolidBrush(RGB(0, 127, 127)); break; } penNew.CreatePen(PS_SOLID, 1, RGB(0, 0, 0)); ppenOld = pDC->SelectObject(&penNew); pbrushOld = pDC->SelectObject(&brushNew);
附录5:七巧板程序 pDC->Polygon(m pointList, m nPointCount) pDC->SelectObject(ppenold) pDC->SelectObject(pbrushold /检测一点是否在拼图块中 BOOL CChip: Pt In Chip (point point) rgn. CreatePolygonRgn(m pointList, m nPointCount, 0) return rgn. PtInRegion (point) /取拼图块的包含矩形 LPCRECT CChip: GetRect static rect rect rgn. CreatePolygonRgn(m pointList, m nPointCount, 0) rgn. GetRgnBox(&rect) rect right++ rect, bot tom++ return &rect /旋转拼图块 oid CChip: Rotation O CRgn rgn (m pointList, m nPoint Count, 0) double x=rect. left+rect. Width0/2;//计算旋转中心 double y= rect. toptrect Height(/2 double dx, dy: for (int i=0: i<m nPointCount: i++) /旋转各点
附录 5：七巧板程序 374 pDC->Polygon(m_pointList, m_nPointCount); pDC->SelectObject(ppenOld); pDC->SelectObject(pbrushOld); } // 检测一点是否在拼图块中 BOOL CChip::PtInChip(POINT point) { CRgn rgn; rgn.CreatePolygonRgn(m_pointList, m_nPointCount, 0); return rgn.PtInRegion(point); } // 取拼图块的包含矩形 LPCRECT CChip::GetRect() { static RECT rect; CRgn rgn; rgn.CreatePolygonRgn(m_pointList, m_nPointCount, 0); rgn.GetRgnBox(&rect); rect.right++; rect.bottom++; return ▭ } // 旋转拼图块 void CChip::Rotation() { CRect rect; CRgn rgn; rgn.CreatePolygonRgn(m_pointList, m_nPointCount, 0); rgn.GetRgnBox(&rect); double x = rect.left+rect.Width()/2; // 计算旋转中心 double y = rect.top+rect.Height()/2; double dx, dy; for(int i=0; i<m_nPointCount; i++) // 旋转各点 {
附录5:七巧板程序 X-X dy =m pointList li. y-y m pointlist[].x=(int)(x+dx=*0. 707 1-dy*0. 7071) m pointlistlil.y =(int)(y+dx*0. 7071+dy*0. 707 /移动拼图块 void CChip: Move To( CSize offset) for (int i=0: i<m nPointCount: i++) m pointlist li] m pointList [i]+offset //序列化 void CChip: Serialize(CArchive &ar f(ar. IsStoringO) ar < m nType ar < m nPoint Count for(int i=0: i<m nPoint Count: i++) ar < m pointList[i]: else ar>〉> m nPoint Count; for(int i=0; i<m nPointCount: i++) ar >>m pointList [il /文档类 #define chIp count 7 class CMy Doc public CDocument
附录 5：七巧板程序 375 dx = m_pointList[i].x-x; dy = m_pointList[i].y-y; m_pointList[i].x = (int)(x+dx*0.7071-dy*0.7071); m_pointList[i].y = (int)(y+dx*0.7071+dy*0.7071); } } // 移动拼图块 void CChip::MoveTo(CSize offset) { for(int i=0; i<m_nPointCount; i++) m_pointList[i] = m_pointList[i]+offset; } // 序列化 void CChip::Serialize(CArchive &ar) { if(ar.IsStoring()) { ar << m_nType; ar << m_nPointCount; for(int i=0; i<m_nPointCount; i++) ar << m_pointList[i]; } else { ar >> m_nType; ar >> m_nPointCount; for(int i=0; i<m_nPointCount; i++) ar >> m_pointList[i]; } } // 文档类 //////////////////////////////////////////////////// #define CHIP_COUNT 7 class CMyDoc : public CDocument {
附录5:七巧板程序 DECLARE DYNCREATE( CMyDoc CChip m chipList [CHIP COUNT public void Reset o virtual void Delete Contents virtual void Serialize( CArchive& ar IMPLEMENT DYNCREATE(CMy Doc, CDocument /初始化拼图块 void CMyDoc:: Reseto pOiNt pointList [MAX POINTS pointList [o]. x=DELTA pointList[o]y DEltA pointList[1]. x=DELTA+CHIP WIDTH pointList[l] y DELTA pointList[2]. x= DELTA+CHIP WIDTH/2 pointList [2] y DELTA+CHIP WIDTH/2 m chipList [o]. SetChip(1, pointList, 3) pointList[o]. x =DELTA pointlist[o]. y =DELTA pointList[l].x= DELTA pointList[l]y DELTA+CHIP WIDTH pointList[2]. x= DELTA+CHIP WIDTH/2 pointList [2]y DELTA+CHIP WIDTH/2 m chipList[1]. SetChip(2, pointList, 3); pointList[o]. x= DELTA+CHIP WIDTH pointList[o]y= DELTA pointList[l].x= DELTA+CHIP WIDTH pointList[l] y= DELTA+CHIP WIDTH/2 pointList[2]. x= DELTA+(CHIP WIDTH*3)/4 pointList [2]y DELTA+CHIP WIDTH/4
附录 5：七巧板程序 376 DECLARE_DYNCREATE(CMyDoc) CChip m_chipList[CHIP_COUNT]; public: voidReset(); virtual void DeleteContents(); virtual void Serialize(CArchive& ar); }; IMPLEMENT_DYNCREATE(CMyDoc, CDocument) // 初始化拼图块 void CMyDoc::Reset() { POINT pointList[MAX_POINTS]; pointList[0].x = DELTA; pointList[0].y = DELTA; pointList[1].x = DELTA+CHIP_WIDTH; pointList[1].y = DELTA; pointList[2].x = DELTA+CHIP_WIDTH/2; pointList[2].y = DELTA+CHIP_WIDTH/2; m_chipList[0].SetChip(1, pointList, 3); pointList[0].x = DELTA; pointList[0].y = DELTA; pointList[1].x = DELTA; pointList[1].y = DELTA+CHIP_WIDTH; pointList[2].x = DELTA+CHIP_WIDTH/2; pointList[2].y = DELTA+CHIP_WIDTH/2; m_chipList[1].SetChip(2, pointList, 3); pointList[0].x = DELTA+CHIP_WIDTH; pointList[0].y = DELTA; pointList[1].x = DELTA+CHIP_WIDTH; pointList[1].y = DELTA+CHIP_WIDTH/2; pointList[2].x = DELTA+(CHIP_WIDTH*3)/4; pointList[2].y = DELTA+CHIP_WIDTH/4;