137 lines
2.9 KiB
C++
Executable File
137 lines
2.9 KiB
C++
Executable File
// BmpButton.cpp : implementation file
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//
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#include "stdafx.h"
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#include "ImageViewer.h"
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#include "BmpButton.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CBmpButton
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CBmpButton::CBmpButton()
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{
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m_InitDC = FALSE;
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m_NormalDC.CreateCompatibleDC(NULL);
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m_DisableDC.CreateCompatibleDC(NULL);
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m_DownDC.CreateCompatibleDC(NULL);
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m_ButType = BT_NORMAL;
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}
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CBmpButton::~CBmpButton()
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{
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m_DisableDC.DeleteDC();
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m_DownDC.DeleteDC();
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m_NormalDC.DeleteDC();
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}
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BEGIN_MESSAGE_MAP(CBmpButton, CButton)
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//{{AFX_MSG_MAP(CBmpButton)
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ON_WM_PAINT()
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ON_WM_ERASEBKGND()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CBmpButton message handlers
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void CBmpButton::PreSubclassWindow()
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{
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// TODO: Add your specialized code here and/or call the base class
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// 在此设置按钮样式为自绘按钮
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ModifyStyle(0, GetStyle()|BS_OWNERDRAW);
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CButton::PreSubclassWindow();
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}
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void CBmpButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
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{
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// TODO: Add your code to draw the specified item
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CRect rect;
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GetClientRect(&rect);
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UINT status = lpDrawItemStruct->itemState;
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CClientDC dc(this);
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m_Status = BTS_NORMAL;
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_NormalDC,0,0,SRCCOPY);
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if (status & ODS_DISABLED)
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DisableDC,0,0,SRCCOPY);
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m_Status = BTS_DISABLE;
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}
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else if (status & ODS_SELECTED)
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{
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m_Status = BTS_DOWN;
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DownDC,0,0,SRCCOPY);
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}
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}
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void CBmpButton::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: Add your message handler code here
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if (m_InitDC)
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{
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CRect rect;
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GetClientRect(&rect);
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if (IsWindowEnabled())
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_NormalDC,0,0,SRCCOPY);
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}
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else
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DisableDC,0,0,SRCCOPY);
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}
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}
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// Do not call CButton::OnPaint() for painting messages
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}
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BOOL CBmpButton::OnEraseBkgnd(CDC* pDC)
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{
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// TODO: Add your message handler code here and/or call default
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return FALSE;
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//return CButton::OnEraseBkgnd(pDC);
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}
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void CBmpButton::LoadBitmaps(UINT nIDBitmapResource, UINT nIDBitmapResourceSel, UINT nIDBitmapResourceDisabled)
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{
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CBitmap bmp;
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bmp.LoadBitmap(nIDBitmapResource);
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m_NormalDC.SelectObject(&bmp);
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bmp.DeleteObject();
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if (nIDBitmapResourceSel != 0)
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{
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bmp.LoadBitmap(nIDBitmapResourceSel);
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m_DownDC.SelectObject(&bmp);
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bmp.DeleteObject();
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m_ButType |= BT_DOWN;
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}
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if (nIDBitmapResourceDisabled != 0)
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{
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bmp.LoadBitmap(nIDBitmapResourceDisabled);
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m_DisableDC.SelectObject(&bmp);
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bmp.DeleteObject();
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m_ButType |= BT_DISABLE;
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}
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m_InitDC = TRUE;
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}
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void CBmpButton::SetButType(int nType)
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{
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m_ButType |= nType;
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}
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