www.gusucode.com > 如何使用画刷源码程序 > 如何使用画刷源码程序/Demo/DemoView.cpp
//Download by http://www.NewXing.com // DemoView.cpp : implementation of the CDemoView class // #include "stdafx.h" #include "Demo.h" #include "DemoDoc.h" #include "DemoView.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CDemoView IMPLEMENT_DYNCREATE(CDemoView, CView) BEGIN_MESSAGE_MAP(CDemoView, CView) //{{AFX_MSG_MAP(CDemoView) ON_COMMAND(ID_CREATE_SOLIDBRUSH, OnCreateSolidBrush) ON_COMMAND(ID_CREATE_HATCHBRUSH, OnCreateHatchBrush) ON_COMMAND(ID_CREATE_PATTERNBRUSH, OnCreatePatternBrush) ON_UPDATE_COMMAND_UI(ID_CREATE_SOLIDBRUSH, OnUpdateCreateSolidbrush) ON_UPDATE_COMMAND_UI(ID_CREATE_HATCHBRUSH, OnUpdateCreateHatchbrush) ON_UPDATE_COMMAND_UI(ID_CREATE_PATTERNBRUSH, OnUpdateCreatePatternbrush) ON_WM_LBUTTONDOWN() //}}AFX_MSG_MAP // Standard printing commands ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDemoView construction/destruction CDemoView::CDemoView() { m_nType = 0; COLORREF crColor = RGB(255, 0, 0); //创建实线画刷 m_Brush.CreateSolidBrush(crColor); } CDemoView::~CDemoView() { } BOOL CDemoView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CDemoView drawing void CDemoView::OnDraw(CDC* pDC) { CDemoDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here OnLButtonDown(0, CPoint(75,75)); OnCreateHatchBrush(); OnLButtonDown(0, CPoint(150,75)); OnCreatePatternBrush(); OnLButtonDown(0, CPoint(225,75)); } ///////////////////////////////////////////////////////////////////////////// // CDemoView printing BOOL CDemoView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CDemoView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CDemoView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CDemoView diagnostics #ifdef _DEBUG void CDemoView::AssertValid() const { CView::AssertValid(); } void CDemoView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CDemoDoc* CDemoView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDemoDoc))); return (CDemoDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CDemoView message handlers void CDemoView::OnCreateSolidBrush() { m_nType = 0; m_Brush.DeleteObject(); COLORREF crColor = RGB(255, 0, 0); //创建实线画刷 m_Brush.CreateSolidBrush(crColor); } void CDemoView::OnUpdateCreateSolidbrush(CCmdUI* pCmdUI) { if (m_nType == 0) { pCmdUI->SetCheck(TRUE); } else { pCmdUI->SetCheck(FALSE); } } void CDemoView::OnCreateHatchBrush() { m_nType = 1; m_Brush.DeleteObject(); COLORREF crColor = RGB(255, 0, 0); //创建阴影线画刷 m_Brush.CreateHatchBrush(HS_CROSS, crColor); } void CDemoView::OnUpdateCreateHatchbrush(CCmdUI* pCmdUI) { if (m_nType == 1) { pCmdUI->SetCheck(TRUE); } else { pCmdUI->SetCheck(FALSE); } } void CDemoView::OnCreatePatternBrush() { m_nType = 3; m_Brush.DeleteObject(); //创建图案 WORD HatchBits[8] = {0x11, 0x22, 0x44, 0x88, 0x11, 0x22, 0x44, 0x88}; //创建位图 CBitmap bmp; bmp.CreateBitmap(8, 8, 1, 1, HatchBits); //创建位图图案画刷 m_Brush.CreatePatternBrush(&bmp); } void CDemoView::OnUpdateCreatePatternbrush(CCmdUI* pCmdUI) { if (m_nType == 2) { pCmdUI->SetCheck(TRUE); } else { pCmdUI->SetCheck(FALSE); } } void CDemoView::OnLButtonDown(UINT nFlags, CPoint point) { CDC* pDC = GetDC(); //选择画笔 CPen* pOldPen = (CPen*)pDC->SelectStockObject(NULL_PEN); //选择画刷 CBrush* pOldBrush = (CBrush*)pDC->SelectObject(&m_Brush); pDC->Ellipse(point.x - 25, point.y - 25, point.x + 25, point.y + 25); //恢复画笔 pDC->SelectObject(pOldPen); //恢复画刷 pDC->SelectObject(pOldBrush); CView::OnLButtonDown(nFlags, point); }