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最新推荐文章于 2024-12-13 14:15:00 发布

xiaodan007

最新推荐文章于 2024-12-13 14:15:00 发布

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分类专栏： Wince 文章标签： server object fun class path null

本文链接：https://blog.youkuaiyun.com/xiaodan007/article/details/6196951

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#pragma once
typedef void RENDER_FUN(void* pThis, HDC hdc);

class Server
{
public:
Server(RECT& rtDlg);
virtual ~Server(void);
void    SetRenderFun(RENDER_FUN* pRender);
void    Render(HDC hdc);
void    Hit(POINT* ptMouse); //实现应用层逻辑控制, 应用层逻辑控制应该和win32层(或者不规范的说：系统层)逻辑控制分开实现。

private:
static void   RenderDefault( LPVOID pThis, HDC hdc);
RENDER_FUN*   g_pRenderFun;
RECT    m_rtDlg;
HANDLE    m_hMutex;
};

/////////////////////////////

#include "StdAfx.h"
#include "Server.h"
#include "../../CE600/HDCBuf.h"

Server::Server(RECT& rtDlg)
{
CopyRect(&m_rtDlg,&rtDlg);
TCHAR szID[MAX_PATH];
_stprintf(szID,_T("MUTEX_FOR_COM_CDC_%d"),__LINE__);
m_hMutex = CreateMutex(NULL,FALSE,szID);
SetRenderFun(RenderDefault);
}

Server::~Server(void)
{
if( WAIT_OBJECT_0 == WaitForSingleObject(m_hMutex,5000))
{
ReleaseMutex(m_hMutex);
}
CloseHandle(m_hMutex);
}

void Server::SetRenderFun( RENDER_FUN* pRender )
{
if( WAIT_OBJECT_0 == WaitForSingleObject(m_hMutex,INFINITE))
{
g_pRenderFun = pRender;
ReleaseMutex(m_hMutex);
}
}

void Server::Render( HDC hdc )
{
if( WAIT_OBJECT_0 == WaitForSingleObject(m_hMutex,INFINITE))
{
g_pRenderFun(this, hdc);
ReleaseMutex(m_hMutex);
}
}

void Server::Hit( POINT* ptMouse )
{
if( RenderDefault == g_pRenderFun)
{
}
}

void Server::RenderDefault( LPVOID pThis, HDC hdc )
{
Server* pServer = (Server*)pThis;
HDCBuf hdcBuf(&hdc,&(pServer->m_rtDlg));
hdcBuf.fillRect(RGB(255,0,0));
}