158 lines
3.5 KiB
C++
Executable File
158 lines
3.5 KiB
C++
Executable File
// BmpStatic.cpp : implementation file
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//
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#include "stdafx.h"
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#include "musicplayer.h"
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#include "BmpStatic.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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// CBmpStatic
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CBmpStatic::CBmpStatic()
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{
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m_InitDC = FALSE;
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m_ImageID = IDB_MUSIC_WND;
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m_TxtFormat = DT_CENTER|DT_VCENTER;
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}
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CBmpStatic::~CBmpStatic()
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{
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m_BackgroundDC.DeleteDC();
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m_txtFont.DeleteObject();
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}
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BEGIN_MESSAGE_MAP(CBmpStatic, CStatic)
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//{{AFX_MSG_MAP(CBmpStatic)
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ON_WM_ERASEBKGND()
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ON_WM_PAINT()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CBmpStatic message handlers
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BOOL CBmpStatic::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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if (!m_InitDC && m_ImageID)
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{
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// 建立临时对象从资源中加载图片
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CDC tmpDC;
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tmpDC.CreateCompatibleDC(NULL);
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CBitmap tmpBmp;
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tmpBmp.LoadBitmap(m_ImageID);
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tmpDC.SelectObject(&tmpBmp);
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tmpBmp.DeleteObject();
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// 计算按钮在窗口内的位置
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CRect rect;
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GetClientRect(&rect);
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// 获取按钮的宽和高
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int cx = rect.Width();
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int cy = rect.Height();
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// 主/子窗体矩形区域
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CRect mainWnd;
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CRect subWnd;
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// 获取父窗体矩形
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CWnd *pWnd = GetParent();
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pWnd->GetWindowRect(&mainWnd);
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// 获取按钮矩形
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GetWindowRect(&subWnd);
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// 计算相对位置
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CPoint tpLeft;
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tpLeft.x = subWnd.TopLeft().x - mainWnd.TopLeft().x;
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tpLeft.y = subWnd.TopLeft().y - mainWnd.TopLeft().y;
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// 复制图片到内存中
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tmpBmp.CreateCompatibleBitmap(&tmpDC,cx,cy);
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m_BackgroundDC.CreateCompatibleDC(NULL);
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m_BackgroundDC.SelectObject(&tmpBmp);
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m_BackgroundDC.BitBlt(0,0,cx,cy,&tmpDC,tpLeft.x,tpLeft.y,SRCCOPY);
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// 清理资源
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tmpBmp.DeleteObject();
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tmpDC.DeleteDC();
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m_InitDC = true;
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}
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return TRUE;
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//return CStatic::OnEraseBkgnd(pDC);
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}
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void CBmpStatic::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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CRect rc;
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GetClientRect(&rc);
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CDC tmpDC;
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CBitmap tmpBmp;
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tmpBmp.CreateCompatibleBitmap(&dc,320,240);
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tmpDC.CreateCompatibleDC(&dc);
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tmpDC.SelectObject(&tmpBmp);
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tmpDC.SelectObject(&m_txtFont);
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tmpDC.SetBkMode(TRANSPARENT);
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tmpDC.BitBlt(0,0,rc.Width(),rc.Height(),&m_BackgroundDC,0,0,SRCCOPY);
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CString str;
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GetWindowText(str);
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tmpDC.DrawText(str,&rc,m_TxtFormat);
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dc.BitBlt(0,0,rc.Width(),rc.Height(),&tmpDC,0,0,SRCCOPY);
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tmpDC.DeleteDC();
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tmpBmp.DeleteObject();
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// Do not call CStatic::OnPaint() for painting messages
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}
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void CBmpStatic::LoadBgBmp(int nBmpID)
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{
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m_ImageID = nBmpID;
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}
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void CBmpStatic::SetTxtFont(int nFont)
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{
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m_txtFont.DeleteObject();
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switch(nFont)
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{
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case 0:
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m_txtFont.CreateFont(14,0,0,0,FW_BOLD,0,0,0,GB2312_CHARSET,OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_SWISS,_T("Arial"));
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break;
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case 1:
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m_txtFont.CreateFont(32,0,0,0,FW_NORMAL,0,0,0,GB2312_CHARSET,OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_SWISS,_T("Arial"));
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m_TxtFormat = DT_RIGHT|DT_BOTTOM;
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break;
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case 2:
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m_txtFont.CreateFont(16,0,0,0,FW_NORMAL,0,0,0,GB2312_CHARSET,OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_SWISS,_T("Arial"));
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m_TxtFormat = DT_LEFT|DT_BOTTOM;
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break;
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default:
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break;
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}
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}
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