rotatingicon.c

VC++视频开发实例集锦(包括“远程视频监控”"语音识别系统"等13个经典例子)

#include "stdafx.h"
#include "globals.h"


////////////////////////////////////////////////////////////////////////////////
//
typedef struct _CPs_SysIcon
{
    HWND m_hWnd;
    HBITMAP m_bmStrip;
    HBITMAP m_bmStrip_Mask;

    HBITMAP m_bmIcon;
    int m_iCurrentFrame;

} CPs_SysIcon;
//
////////////////////////////////////////////////////////////////////////////////



void CPSYSICON_DrawCurrentFrame(CPs_SysIcon* pSysIconData);
////////////////////////////////////////////////////////////////////////////////
//
//
//
CP_HSYSICON CPSYSICON_Create(HWND hWnd)
{
    CPs_SysIcon* pSysIconData = (CPs_SysIcon*)malloc(sizeof(CPs_SysIcon));

    pSysIconData->m_bmStrip = LoadBitmap(	GetModuleHandle(NULL),
                                          MAKEINTRESOURCE(IDB_SYSICON));
    pSysIconData->m_bmStrip_Mask = LoadImage(	GetModuleHandle(NULL),
                                   MAKEINTRESOURCE(IDB_SYSICON_MASK), IMAGE_BITMAP, 0, 0, LR_MONOCHROME);
    pSysIconData->m_iCurrentFrame = 0;
    pSysIconData->m_hWnd = hWnd;
    pSysIconData->m_bmIcon = NULL;

    CPSYSICON_DrawCurrentFrame(pSysIconData);

    {

        NOTIFYICONDATA nic;
        ICONINFO iconinfo;

        nic.cbSize = sizeof(NOTIFYICONDATA);
        nic.hWnd = hWnd;
        nic.uID = NOTIFY_ICON_ID;
        nic.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
        nic.uCallbackMessage = WM_NOTIFYICON;

        iconinfo.fIcon = TRUE;
        iconinfo.hbmColor = pSysIconData->m_bmIcon;
        iconinfo.hbmMask = pSysIconData->m_bmStrip_Mask;

        nic.hIcon = CreateIconIndirect(&iconinfo);

        strcpy(nic.szTip, "CoolerPlayer");
        Shell_NotifyIcon(NIM_ADD, &nic);
        if(nic.hIcon)
            DestroyIcon(nic.hIcon);
    }

    return pSysIconData;
}
//
//
//
void CPSYSICON_Destroy(CP_HSYSICON hSysIconData)
{
    CPs_SysIcon* pSysIconData = (CPs_SysIcon*)hSysIconData;
    NOTIFYICONDATA nic;
    CP_CHECKOBJECT(pSysIconData);

    // Remove systray icon
    nic.cbSize = sizeof(NOTIFYICONDATA);
    nic.hWnd = pSysIconData->m_hWnd;
    nic.uID = NOTIFY_ICON_ID;
    nic.uFlags = NIF_ICON | NIF_MESSAGE;
    Shell_NotifyIcon(NIM_DELETE, &nic);

    if(pSysIconData->m_bmStrip)
        DeleteObject(pSysIconData->m_bmStrip);
    if(pSysIconData->m_bmStrip_Mask)
        DeleteObject(pSysIconData->m_bmStrip_Mask);
    if(pSysIconData->m_bmIcon)
        DeleteObject(pSysIconData->m_bmIcon);

    free(pSysIconData);
}
//
//
//
void CPSYSICON_DrawCurrentFrame(CPs_SysIcon* pSysIconData)
{
    HDC dcSource, dcDest;
    HDC dcScreen;
    HBITMAP bmOld_Source, bmOld_Dest;

    // Setup dest DC
    dcDest = CreateCompatibleDC(NULL);
    if(!pSysIconData->m_bmIcon)
    {
        dcScreen = GetDC(NULL);
        pSysIconData->m_bmIcon = CreateCompatibleBitmap(dcScreen, 16, 16);
        ReleaseDC(NULL, dcScreen);
    }
    bmOld_Dest = (HBITMAP)SelectObject(dcDest, pSysIconData->m_bmIcon);

    // Setup source DC
    dcSource = CreateCompatibleDC(NULL);
    bmOld_Source = (HBITMAP)SelectObject(dcSource, pSysIconData->m_bmStrip);

    // Blt dest onto source
    BitBlt(dcDest, 0, 0, 16, 16,
           dcSource, pSysIconData->m_iCurrentFrame * 16,0,SRCCOPY);


    // Cleanup
    SelectObject(dcDest, bmOld_Dest);
    SelectObject(dcSource, bmOld_Source);
    DeleteDC(dcDest);
    DeleteDC(dcSource);
}
//
//
//
void CPSYSICON_AdvanceFrame(CP_HSYSICON hSysIconData)
{
    CPs_SysIcon* pSysIconData = (CPs_SysIcon*)hSysIconData;
    int iNewIconFrame;
    CP_CHECKOBJECT(pSysIconData);

    // Work out new icon frame
    iNewIconFrame = pSysIconData->m_iCurrentFrame;
    if(options.rotate_systray_icon)
    {
        if(globals.m_enPlayerState == cppsPlaying)
            iNewIconFrame = (pSysIconData->m_iCurrentFrame + 1) % 10;
        else if(globals.m_enPlayerState != cppsPaused)
            iNewIconFrame = 0;
    }
    else
        iNewIconFrame = 0;

    // Not changed? - fast out
    if(pSysIconData->m_iCurrentFrame == iNewIconFrame)
        return;

    // Update the icon
    pSysIconData->m_iCurrentFrame = iNewIconFrame;
    CPSYSICON_DrawCurrentFrame(pSysIconData);

    {

        NOTIFYICONDATA nic;
        ICONINFO iconinfo;

        nic.cbSize = sizeof(NOTIFYICONDATA);
        nic.hWnd = pSysIconData->m_hWnd;
        nic.uID = NOTIFY_ICON_ID;
        nic.uFlags = NIF_ICON;

        iconinfo.fIcon = TRUE;
        iconinfo.hbmColor = pSysIconData->m_bmIcon;
        iconinfo.hbmMask = pSysIconData->m_bmStrip_Mask;

        nic.hIcon = CreateIconIndirect(&iconinfo);
        Shell_NotifyIcon(NIM_MODIFY, &nic);
        if(nic.hIcon)
            DestroyIcon(nic.hIcon);
    }



}
//
//
//
void CPSYSICON_SetTipText(CP_HSYSICON hSysIconData, const char* pcNewTipText)
{
    CPs_SysIcon* pSysIconData = (CPs_SysIcon*)hSysIconData;
    NOTIFYICONDATA nic;
    CP_CHECKOBJECT(pSysIconData);

    nic.cbSize = sizeof(NOTIFYICONDATA);
    nic.hWnd = pSysIconData->m_hWnd;
    nic.uID = NOTIFY_ICON_ID;
    nic.uFlags = NIF_TIP;

    strncpy(nic.szTip, pcNewTipText, sizeof(nic.szTip));
    Shell_NotifyIcon(NIM_MODIFY, &nic);
}
//
//
//