MyProgress.cpp
上传用户:szcysw
上传日期:2013-03-11
资源大小:6752k
文件大小:2k
- // MyProgress.cpp : implementation file
- //
- #include "stdafx.h"
- #include "MyProgress.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // MyProgress
- MyProgress::MyProgress()
- {
- //初始化位图资源
- bmpresource=0;
- //清空进度条标题
- barTitle.Empty();
- }
- MyProgress::~MyProgress()
- {
- }
- BEGIN_MESSAGE_MAP(MyProgress, CProgressCtrl)
- //{{AFX_MSG_MAP(MyProgress)
- ON_WM_PAINT()
- ON_WM_CREATE()
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // MyProgress message handlers
- void MyProgress::OnPaint()
- {
- //进度条的上下文环境句柄
- CPaintDC dc(this);
- int pos=GetPos();
- int low,hight;
- low=hight=0;
- GetRange(low,hight);
- int range=hight-low;
- //得到当前进度(%)
- float percent=float(pos)/(float)range;
- CRect rect;
- GetClientRect(&rect);
- rect.right=rect.left+percent*rect.Width();
- //根据进度填充矩形
- dc.FillSolidRect(&rect,RGB(0,0,255));
-
- //如果需要在进度条上绘制动画
- if(bmpresource)
- {
- CBitmap bmp,bmpold;
- BITMAP bmpinfo;
-
- bmp.LoadBitmap(bmpresource);
- bmp.GetBitmap(&bmpinfo);
- CDC mem;
- mem.CreateCompatibleDC(&dc);
- mem.SelectObject(&bmp);
- //在正确位置绘制图片
- CRect rectbmp;
- GetClientRect(&rectbmp);
- rectbmp.right=rectbmp.left+percent*rectbmp.Width();
- dc.BitBlt(rectbmp.right-bmpinfo.bmWidth,0,bmpinfo.bmWidth,bmpinfo.bmHeight,&mem,0,0,SRCCOPY);
- //还原DC设置
- mem.SelectObject(&bmpold);
- }
-
- //如果需要在进度条上输出文本
- if(!barTitle.IsEmpty())
- {
- CRect rt;
- GetClientRect(&rt);
- //文本输出方式为透明
- dc.SetBkMode(TRANSPARENT);
- //文本默认色为白色
- dc.SetTextColor(RGB(255,255,255));
- CSize ext;
- //GetTextExtent:测试文本尺寸
- ext=dc.GetTextExtent(barTitle);
- int test=(rt.Width()-ext.cx)/2;
- if((percent*rt.Width())<test)
- //如果进度条还在文本左边,使用蓝色文本
- dc.SetTextColor(RGB(0,0,255));
- //输出进度条的文本标题
- dc.DrawText(barTitle, rt, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
- }
-
- }
- int MyProgress::OnCreate(LPCREATESTRUCT lpCreateStruct)
- {
- if (CProgressCtrl::OnCreate(lpCreateStruct) == -1)
- return -1;
-
-
- return 0;
- }
- void MyProgress::SetBarCaption(CString title)
- {
- barTitle=title;
- //开始重绘
- Invalidate();
- }
- void MyProgress::SetBmp(DWORD bmp)
- {
- bmpresource=bmp;
- //开始重绘
- Invalidate();
- }