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// SpinnerTBView.cpp : implementation of the CSpinnerTBView class #include "stdafx.h" #include "SpinnerTB.h" #include "SpinnerTBDoc.h" #include "SpinnerTBView.h" #include "MainFrm.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView IMPLEMENT_DYNCREATE(CSpinnerTBView, CView) BEGIN_MESSAGE_MAP(CSpinnerTBView, CView) //{{AFX_MSG_MAP(CSpinnerTBView) ON_WM_PAINT() ON_WM_CREATE() ON_WM_ERASEBKGND() ON_WM_QUERYNEWPALETTE() ON_WM_PALETTECHANGED() ON_COMMAND(ID_COLORS_RED, OnColorsRed) ON_COMMAND(ID_COLORS_GREEN, OnColorsGreen) ON_COMMAND(ID_COLORS_BLUE, OnColorsBlue) ON_COMMAND(ID_COLORS_SPINNERS, OnColorsSpinners) ON_EN_CHANGE(ID_EDIT_R, OnUpdateRed) ON_EN_CHANGE(ID_EDIT_G, OnUpdateGreen) ON_EN_CHANGE(ID_EDIT_B, OnUpdateBlue) ON_EN_CHANGE(ID_EDIT_SLD, OnUpdateGradient) //}}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() ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView construction/destruction CSpinnerTBView::CSpinnerTBView() { // TODO: add construction code here } CSpinnerTBView::~CSpinnerTBView() { } BOOL CSpinnerTBView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView drawing void CSpinnerTBView::OnDraw(CDC* pDC) { CSpinnerTBDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); } ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView printing BOOL CSpinnerTBView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CSpinnerTBView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CSpinnerTBView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView diagnostics #ifdef _DEBUG void CSpinnerTBView::AssertValid() const { CView::AssertValid(); } void CSpinnerTBView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CSpinnerTBDoc* CSpinnerTBView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSpinnerTBDoc))); return (CSpinnerTBDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CSpinnerTBView message handlers void CSpinnerTBView::OnPaint() { CRect rect; GetClientRect (&rect); rect.OffsetRect (0, 60); CPaintDC dc (this); DoDrawText (&dc, &rect); } int CSpinnerTBView::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CView::OnCreate(lpCreateStruct) == -1) return -1; CClientDC dc (this); if (dc.GetDeviceCaps (RASTERCAPS) & RC_PALETTE) { struct { LOGPALETTE lp; PALETTEENTRY ape[63]; } pal; LOGPALETTE* pLP = (LOGPALETTE*) &pal; pLP->palVersion = 0x300; pLP->palNumEntries = 64; for (int i=0; i<64; i++) { pLP->palPalEntry[i].peRed = 0; pLP->palPalEntry[i].peGreen = 0; pLP->palPalEntry[i].peBlue = 255 - (i * 4); pLP->palPalEntry[i].peFlags = 0; } m_palette.CreatePalette (pLP); } return 0; } BOOL CSpinnerTBView::OnEraseBkgnd(CDC* pDC) { CRect rect; GetClientRect (&rect); CPalette* pOldPalette; if ((HPALETTE) m_palette != NULL) { pOldPalette = pDC->SelectPalette (&m_palette, FALSE); pDC->RealizePalette (); } DoGradientFill (pDC, &rect); if ((HPALETTE) m_palette != NULL) pDC->SelectPalette (pOldPalette, FALSE); return TRUE; } BOOL CSpinnerTBView::OnQueryNewPalette () { if ((HPALETTE) m_palette == NULL) // Shouldn't happen, but return 0; // let's be sure. CClientDC dc (this); CPalette* pOldPalette = dc.SelectPalette (&m_palette, FALSE); UINT nCount; if (nCount = dc.RealizePalette ()) Invalidate (); dc.SelectPalette (pOldPalette, FALSE); return nCount; } void CSpinnerTBView::OnPaletteChanged (CWnd* pFocusWnd) { if ((HPALETTE) m_palette == NULL) // Shouldn't happen, but return; // let's be sure. if (pFocusWnd != this) { CClientDC dc (this); CPalette* pOldPalette = dc.SelectPalette (&m_palette, FALSE); if (dc.RealizePalette ()) Invalidate (); dc.SelectPalette (pOldPalette, FALSE); } } void CSpinnerTBView::DoGradientFill (CDC* pDC, LPRECT pRect) { CSpinnerTBDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); CBrush* pBrush[64]; for (int i=0; i<64; i++) pBrush[i] = new CBrush (PALETTERGB (pDoc->m_nGradValue, pDoc->m_nGradValue, pDoc->m_nGradValue - (i * 4))); int nWidth = pRect->right - pRect->left; int nHeight = pRect->bottom - pRect->top; CRect rect; for (i=0; i<nHeight; i++) { rect.SetRect (0, i, nWidth, i + 1); pDC->FillRect (&rect, pBrush[(i * 63) / nHeight]); } AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_GRADIENT, 0, (LPARAM) (UINT) pDoc->m_nGradValue); m_strRGB.Format("Gradient Value: %d ",pDoc->m_nGradValue); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_GRADIENT_STATUS, 0, (LPARAM) (LPCTSTR) m_strRGB); for (i=0; i<64; i++) delete pBrush[i]; } void CSpinnerTBView::DoDrawText (CDC* pDC, LPRECT pRect) { CSpinnerTBDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); CFont font; font.CreatePointFont (120, _T ("Comic Sans MS")); CFont* pOldFont = pDC->SelectObject (&font); pDC->SetBkMode (TRANSPARENT); pDC->SetTextColor(pDoc->m_clrTextClr); pDC->DrawText (pDoc->m_strText, -1, pRect, DT_CENTER | DT_VCENTER); pDC->SelectObject (pOldFont); m_strRGB.Format("Text: Red=%d, Green=%d, Blue=%d.", pDoc->m_nRed, pDoc->m_nGreen, pDoc->m_nBlue); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_COLOR, 0, (LPARAM) (LPCTSTR) m_strRGB); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_RED, 0, (LPARAM) (UINT) pDoc->m_nRed); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_GREEN, 0, (LPARAM) (UINT) pDoc->m_nGreen); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_BLUE, 0, (LPARAM) (UINT) pDoc->m_nBlue); } void CSpinnerTBView::OnColorsRed() { // Get a pointer to our Main Frame // CMainFrame* pFrame = (CMainFrame*) AfxGetApp()->m_pMainWnd; // ASSERT_VALID(pFrame); CSpinnerTBDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_nRed = 255; pDoc->m_nGreen = 0; pDoc->m_nBlue = 0; pDoc->m_clrTextClr = RGB(pDoc->m_nRed, pDoc->m_nGreen, pDoc->m_nBlue); pDoc->UpdateAllViews(0); pDoc->SetModifiedFlag(); m_strRGB.Format("Text: Red=%d, Green=%d, Blue=%d.", pDoc->m_nRed, pDoc->m_nGreen, pDoc->m_nBlue); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_COLOR, 0, (LPARAM) (LPCTSTR) m_strRGB); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_RED, 0, (LPARAM) (UINT) pDoc->m_nRed); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_GREEN, 0, (LPARAM) (UINT) pDoc->m_nGreen); AfxGetMainWnd ()->SendMessage (WM_USER_UPDATE_SPINNER_BLUE, 0, (LP