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  • 美化VC界面(用户登录界面)

     源代码:下载

    VC开发程序单调的界面相信大家都是深有感触,提到界面美化编程,人们都会说做界面不要用VC写,太难了。
    一句俗语:难者不会,会者不难。VC的美化界面编程并没有人们想像的那么难。这篇文章是我写的一个用户登录界面,但界面被我美化了,我将一步一步的来讲解它的美化界面的实现步骤。相信有了这篇文章,你的VC界面从此也能绚丽多彩。

    实现步骤:

    第一步:美化界面的非客户区(重绘标题栏和界面边框)。
    关键代码如下:

    代码
    // 函 数 名:DrawTitleBar
    // 功能描述:绘制标题栏、边框颜色,绘制标题内容、图标和按钮
    // 输入参数:pDC:设备指针
    // 输出参数:void
    // 创建日期:2006-2-20
    // 修改日期:2006-2-20
    // 作 者:joinclear
    // 附加说明:无
    void CTitleBarColorDlg::DrawTitleBar(CDC *pDC)
    {
    if (m_hWnd)
    {
    CBrush Brush(RGB(
    187,200,143));
    CBrush
    * pOldBrush = pDC->SelectObject(&Brush);

    CRect rtWnd, rtTitle, rtButtons;
    GetWindowRect(
    &rtWnd);

    //取得标题栏的位置
    //SM_CXFRAME 窗口边框的边缘宽度
    //SM_CYFRAME 窗口边框的边缘高度
    //SM_CXSIZE 窗口标题栏宽度
    //SM_CYSIZE 窗口标题栏高度
    rtTitle.left = GetSystemMetrics(SM_CXFRAME);
    rtTitle.top
    = GetSystemMetrics(SM_CYFRAME);
    rtTitle.right
    = rtWnd.right - rtWnd.left - GetSystemMetrics(SM_CXFRAME);
    rtTitle.bottom
    = rtTitle.top + GetSystemMetrics(SM_CYSIZE);

    CPoint point;
    //填充顶部框架
    point.x = rtWnd.Width();
    point.y
    = GetSystemMetrics(SM_CYSIZE) + GetSystemMetrics(SM_CYFRAME) + 0;
    pDC
    ->PatBlt(0, 0, point.x, point.y, PATCOPY);
    //填充左侧框架
    point.x = GetSystemMetrics(SM_CXFRAME) -1;
    point.y
    = rtWnd.Height()- 1;
    pDC
    ->PatBlt(0, 0, point.x, point.y, PATCOPY);
    //填充底部框架
    point.x = rtWnd.Width();
    point.y
    = GetSystemMetrics(SM_CYFRAME);
    pDC
    ->PatBlt(0, rtWnd.Height()-point.y, point.x, point.y, PATCOPY);
    //填充右侧框架
    point.x = GetSystemMetrics(SM_CXFRAME);
    point.y
    = rtWnd.Height();
    pDC
    ->PatBlt(rtWnd.Width()-point.x, 0, point.x, point.y, PATCOPY);

    //重画标题栏图标
    m_rtIcon.left = rtTitle.left ;
    m_rtIcon.top
    = rtTitle.top;
    m_rtIcon.right
    = m_rtIcon.left + 16;
    m_rtIcon.bottom
    = m_rtIcon.top + 15;
    ::DrawIconEx(pDC
    ->m_hDC, m_rtIcon.left, m_rtIcon.top, AfxGetApp()->LoadIcon(IDR_MAINFRAME),
    m_rtIcon.Width(), m_rtIcon.Height(),
    0, NULL, DI_NORMAL);
    m_rtIcon.OffsetRect(rtWnd.TopLeft());

    CBitmap
    * pBitmap = new CBitmap;
    CBitmap
    * pOldBitmap;
    CDC
    * pDisplayMemDC=new CDC;
    pDisplayMemDC
    ->CreateCompatibleDC(pDC);

    //重画关闭button
    rtButtons.left = rtTitle.right - 16;
    rtButtons.top
    = rtTitle.top - 1;
    rtButtons.right
    = rtButtons.left + 16;
    rtButtons.bottom
    = rtButtons.top + 15;
    pBitmap
    ->LoadBitmap(IDB_EXIT_FOCUS);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButtons.left, rtButtons.top, rtButtons.Width(), rtButtons.Height(), pDisplayMemDC, 0,

    0, SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    m_rtButtExit
    = rtButtons;
    m_rtButtExit.OffsetRect(rtWnd.TopLeft());
    pBitmap
    ->DeleteObject();

    //重画最大化/恢复button
    rtButtons.right = rtButtons.left - 3;
    rtButtons.left
    = rtButtons.right - 16;
    if (IsZoomed())
    pBitmap
    ->LoadBitmap(IDB_RESTORE_NORMAL);
    else
    pBitmap
    ->LoadBitmap(IDB_MAX_NORMAL);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButtons.left, rtButtons.top, rtButtons.Width(), rtButtons.Height(), pDisplayMemDC, 0,

    0, SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    m_rtButtMax
    = rtButtons;
    m_rtButtMax.OffsetRect(rtWnd.TopLeft());
    pBitmap
    ->DeleteObject();

    //重画最小化button
    rtButtons.right = rtButtons.left - 3;
    rtButtons.left
    = rtButtons.right - 16;
    pBitmap
    ->LoadBitmap(IDB_MIN_NORMAL);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButtons.left, rtButtons.top, rtButtons.Width(), rtButtons.Height(), pDisplayMemDC, 0,

    0, SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    m_rtButtMin
    = rtButtons;
    m_rtButtMin.OffsetRect(rtWnd.TopLeft());
    pBitmap
    ->DeleteObject();

    //重画caption
    int nOldMode = pDC->SetBkMode(TRANSPARENT);
    COLORREF clOldText
    =pDC->SetTextColor(RGB(255, 255, 255));

    CFont m_captionFont;
    m_captionFont.CreateFont(
    18, // 字体的高度
    0, // 字体的宽度
    0, // 字体显示的角度
    0, // 字体的角度
    FW_BOLD, // 字体的磅数
    FALSE, // 斜体字体
    FALSE, // 带下划线的字体
    0, // 带删除线的字体
    ANSI_CHARSET, // 所需的字符集
    OUT_DEFAULT_PRECIS, // 输出的精度
    CLIP_DEFAULT_PRECIS, // 裁减的精度
    DEFAULT_QUALITY, // 逻辑字体与输出设备的实际字体之间的精度
    DEFAULT_PITCH | FF_SWISS, // 字体间距和字体集
    _T("Arial")); // 字体名称

    CFont
    * pOldFont = NULL;
    pOldFont
    = pDC->SelectObject(&m_captionFont);

    rtTitle.left
    += m_rtIcon.Width ()+3;
    rtTitle.top
    = rtTitle.top;
    rtTitle.bottom
    = rtTitle.top + 30;
    CString m_strTitle;
    GetWindowText(m_strTitle);
    pDC
    ->DrawText(m_strTitle, &rtTitle, DT_LEFT);
    pDC
    ->SetBkMode(nOldMode);
    pDC
    ->SetTextColor(clOldText);

    ReleaseDC(pDisplayMemDC);
    delete pDisplayMemDC;
    delete pBitmap;
    }
    }

    还有在非客户区 绘制鼠标的消息。分别为:

    代码
    void CTitleBarColorDlg::OnNcLButtonDown(UINT nHitTest, CPoint point)
    {
    if (m_rtButtExit.PtInRect(point)) //关闭
    SendMessage(WM_CLOSE);
    else if (m_rtButtMin.PtInRect(point)) //最小化
    SendMessage(WM_SYSCOMMAND, SC_MINIMIZE, MAKELPARAM(point.x, point.y));
    else if (m_rtButtMax.PtInRect(point))
    {
    if (IsZoomed()) //最大化
    {
    SendMessage(WM_SYSCOMMAND, SC_RESTORE, MAKELPARAM(point.x, point.y));
    CRect rtWnd;
    GetWindowRect(
    &rtWnd);
    CRgn rgn;
    rgn.CreateRoundRectRgn(
    0,0,rtWnd.Width(),rtWnd.Height(),5,5);
    SetWindowRgn((HRGN)rgn,
    true);
    Invalidate();
    }
    else
    {
    SendMessage(WM_SYSCOMMAND, SC_MAXIMIZE, MAKELPARAM(point.x, point.y));

    CRect rtWnd;
    GetWindowRect(
    &rtWnd);
    CRgn rgn;
    rgn.CreateRoundRectRgn(
    0,0,rtWnd.Width(),rtWnd.Height(),5,5);
    SetWindowRgn((HRGN)rgn,
    true);
    Invalidate();
    }
    }
    else if (!IsZoomed())
    Default();
    }
    void CTitleBarColorDlg::OnNcMouseMove(UINT nHitTest, CPoint point)
    {
    CWindowDC dc(
    this);
    CWindowDC
    * pDC = &dc;
    CDC
    * pDisplayMemDC=new CDC;
    pDisplayMemDC
    ->CreateCompatibleDC(pDC);
    CBitmap
    * pBitmap = new CBitmap;
    CBitmap
    * pOldBitmap;
    CRect rtWnd, rtButton;

    if (pDC)
    {
    GetWindowRect(
    &rtWnd);

    //关闭button
    if (m_rtButtExit.PtInRect(point))
    pBitmap
    ->LoadBitmap(IDB_EXIT_NORMAL);
    else
    pBitmap
    ->LoadBitmap(IDB_EXIT_FOCUS);
    rtButton
    = m_rtButtExit;
    rtButton.OffsetRect(
    -rtWnd.left, -rtWnd.top);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButton.left, rtButton.top, rtButton.Width(), rtButton.Height(), pDisplayMemDC, 0, 0,

    SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    pBitmap
    ->DeleteObject();

    //最大化/恢复button
    if (m_rtButtMax.PtInRect(point))
    {
    if (IsZoomed())
    pBitmap
    ->LoadBitmap(IDB_RESTORE_FOCUS);
    else
    pBitmap
    ->LoadBitmap(IDB_MAX_FOCUS);
    }
    else
    {
    if (IsZoomed())
    pBitmap
    ->LoadBitmap(IDB_RESTORE_NORMAL);
    else
    pBitmap
    ->LoadBitmap(IDB_MAX_NORMAL);
    }
    rtButton
    = m_rtButtMax;
    rtButton.OffsetRect(
    -rtWnd.left, -rtWnd.top);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButton.left, rtButton.top, rtButton.Width(), rtButton.Height(), pDisplayMemDC, 0, 0,

    SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    pBitmap
    ->DeleteObject();

    //最小化button
    if (m_rtButtMin.PtInRect(point))
    pBitmap
    ->LoadBitmap(IDB_MIN_FOCUS);
    else
    pBitmap
    ->LoadBitmap(IDB_MIN_NORMAL);
    rtButton
    = m_rtButtMin;
    rtButton.OffsetRect(
    -rtWnd.left, -rtWnd.top);
    pOldBitmap
    =(CBitmap*)pDisplayMemDC->SelectObject(pBitmap);
    pDC
    ->BitBlt(rtButton.left, rtButton.top, rtButton.Width(), rtButton.Height(), pDisplayMemDC, 0, 0,

    SRCCOPY);
    pDisplayMemDC
    ->SelectObject(pOldBitmap);
    pBitmap
    ->DeleteObject();

    }

    pDisplayMemDC
    ->DeleteDC();

    delete pDisplayMemDC;
    delete pBitmap;

    CDialog::OnNcMouseMove(nHitTest, point);
    }

    大部分实现如上代码所示具体实现请参照程序附带的源代码。

    第二步:改变窗口边框为圆角。
    关键代码如下:

    代码
    int CTitleBarColorDlg::OnCreate(LPCREATESTRUCT lpCreateStruct)
    {
    if (CDialog::OnCreate(lpCreateStruct) == -1)
    return -1;

    CRect rtWnd;
    GetWindowRect(
    &rtWnd);

    CRgn rgn;
    rgn.CreateRoundRectRgn(
    0,0,rtWnd.Width(),rtWnd.Height(),5,5);
    SetWindowRgn((HRGN)rgn,
    true);

    return 0;
    }

    第三步:填充背景。
    关键代码如下:

    代码
    BOOL CTitleBarColorDlg::OnEraseBkgnd(CDC* pDC)
    {
    BOOL retValue
    = CDialog::OnEraseBkgnd(pDC);

    CRect rc;
    GetClientRect(
    &rc);
    pDC
    ->FillSolidRect(&rc,RGB(236,233,216));

    return retValue;
    }

    第四步:绘制按钮。
    具体请参考源代码中类CXPButton.h、CXPButton.cpp

    第五步:绘制编辑框。
    具体请参考源代码中类COwnerEdit.h、COwnerEdit.cpp

    第六步:绘制静态字体和颜色。
    这一步本来也写了一个类的,但想想用OnCtlColor()还是能很好的实现的,就没写。具体实现请看OnCtlColor()中的实现。

    以上代码具体实现的细节问题,你可以下载例子代码,仔细查看其源码实现(内有详细注释)。

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  • 原文地址:https://www.cnblogs.com/joinclear/p/1881212.html
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