📄 myproject.cpp
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SAFE_DeleteDC(g_hdc[6]);//释放设备环境
g_hdc[0]=g_hdc[4];
g_hdc[4]=g_hdc[8];
g_hdc[1]=g_hdc[5];
g_hdc[3]=g_hdc[7];
g_hdc[2]=NULL;
g_hdc[5]=NULL;
g_hdc[6]=NULL;
g_hdc[7]=NULL;
g_hdc[8]=NULL;
}
//(9)左下图变为目标图
if (new_intXnumth==intXnumth-1 && new_intYnumth==intYnumth-1)
{
//1.目标图变化，
intXnumth=new_intXnumth;
intYnumth=new_intYnumth;
pic.left = intXnumth * picWidth;
pic.bottom = intYnumth * picHeight;
pic.right = pic.left + picWidth;
pic.top = pic.bottom + picHeight;
//2.修改box的位置
box.top = Center.y + PicBoxHeight/2;
box.bottom = Center.y - PicBoxHeight/2;
box.left = Center.x - PicBoxWidth/2;
box.right = Center.x + PicBoxWidth/2;
//3.重新分配其相应的设备环境
SAFE_DeleteDC(g_hdc[0]);//释放设备环境
SAFE_DeleteDC(g_hdc[5]);//释放设备环境
SAFE_DeleteDC(g_hdc[1]);//释放设备环境
SAFE_DeleteDC(g_hdc[2]);//释放设备环境
SAFE_DeleteDC(g_hdc[8]);//释放设备环境
g_hdc[2]=g_hdc[4];
g_hdc[4]=g_hdc[6];
g_hdc[1]=g_hdc[3];
g_hdc[5]=g_hdc[7];
g_hdc[0]=NULL;
g_hdc[3]=NULL;
g_hdc[6]=NULL;
g_hdc[7]=NULL;
g_hdc[8]=NULL;
}
*/
}
////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
/////////////////////// 以下为系统初始化(开机) 专用 //////////////////////////////////////////////////
//1.调用初始化函数 foninitial
void OnInitial(void)
{
/////////////////////////////////////////////////////////
//1.读取默认海图的 缺省参数
CIni Ini(haituINI,LPhaituINI);
char* MapName_char;
MapName_char=new char[10];
//初始化变量, data和name
Ini.ReadData("默认海图","海图");
MapName_char=Ini.data;
//单幅图像的经纬度间隔
double x=Ini.ReadData(MapName_char,"屏幕经度");
if(x>=100)
{
int y=(int)(x/100);
x=y*60+x-y*100;
}
PicJingDuGap=x;//(单位：分)单幅图像的经度宽度
x=Ini.ReadData(MapName_char,"屏幕纬度");
if(x>=100)
{
int y=(int)(x/100);
x=y*60+x-y*100;
}
PicWeiDuGap=x;//(单位：分)单幅图像的纬度宽度
//图像左下角的经纬度
x=Ini.ReadData(MapName_char,"左经度");
if(x>=100)
{
int y=(int)(x/100);
x=y*60+x-y*100;
}
LeftJingDu=x;//(单位：分)
x=Ini.ReadData(MapName_char,"下纬度");
if(x>=100)
{
int y=(int)(x/100);
x=y*60+x-y*100;
}
BottomWeiDu=x;//(单位：分)
//检测正确
//printf("LeftJingDu=%f ,BottomWeiDu=%f ,PicJingDuGap=%f ,PicWeiDuGap=%f",
// LeftJingDu,BottomWeiDu,PicJingDuGap, PicWeiDuGap);
StrPicName0=new TCHAR[40];//分配内存
//Center.x,Center.y在GPS线程内采集
/////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////
while(Center.x==0 && Center.y==0) {Sleep(25);}//如果GPS没有采集到信号则等待片刻 25 毫秒
// RePicAndBoxPosition(Center);//确定PIC和Box的位置
// ReNotLoadBoxPosition(Center,pic);//根据目标点在Pic的位置（左上、右上、右下、左下） 确定NotLoadBox的位置
// intXnumth = Center.x/picWidth;//取整
// intYnumth = Center.y/picHeight;
// intXnumth++;intYnumth++;//左下角的文件名是01001
SAFE_ReleaseDC(hwndMain,hdc);
hdc = ::GetDC(hwndMain);//目标设备环境的句柄
InitLoadPic(Center);//根据Center.x,Center.y确定调入的4幅图
g_hdc6=g_hdc[6]; g_hdc7=g_hdc[7]; g_hdc11=g_hdc[11]; g_hdc10=g_hdc[10];
// Adjust the size of the client rect to take into account
// the command bar height.
GetClientRect(hwndMain,&rect);
rect.top+=CommandBar_Height(GetDlgItem(hwndMain,IDC_CMDBAR));
rect.right=rect.left+PicBoxWidth;// picbox宽
rect.bottom=rect.top+PicBoxHeight;//picbox高
InvalidateRect(hwndMain,&rect,true);//重画屏幕
/*
Ini.ReadData(MapName_char,"缺省经度");
int a=(int)(atoi(Ini.data)/100);
double b=(atof(Ini.data)/100-a)/0.6;
Center.x=a+b;//此时Center.x单位为：度 例如 缺省经度=12830，则为128.5度
Center.x= (Center.x-LeftJingDu)*picWidth/PicJingDuGap;//单位：象素点 转换为象素点位置
Ini.ReadData(MapName_char,"缺省纬度");
a=(int)(atoi(Ini.data)/100);
b=(atof(Ini.data)/100-a)/0.6;
Center.y=a+b;
Center.y=(TopWeiDu-Center.y)*picHeight/PicWeiDuGap;//单位：象素点 转换为象素点位置
*/
/*
Ini.ReadData(MapName_char,"目录");
str=Ini.data;
Ini.ReadData(MapName_char,"文件名前缀");
str=strcat(str,Ini.data);
TCHAR* MapPath0;
//返回实际需要的MapName_TCHAR缓冲区的大小
int k=MultiByteToWideChar(CP_ACP,0,str,-1,MapPath0,0);;
MultiByteToWideChar(CP_ACP,0,str,-1,MapPath0,k);
MapPath=lpstrcat(MapPath,MapPath0));// 到此的路径为\\My Documents\\HT100Y\\100xNameyName
*/
//注：用完后的指针变量要free()释放掉。
// SAFE_FREE(MapName_char);
}
//////////fReadGPSSerialThread 以下为系统开机时读取GPS串口数据的线程
DWORD WINAPI ReadGPSSerialThread(PVOID pArg)
{
//now
//ReadCom1;
Center.x=1390;
Center.y=710;
while(1)
{
//Center.x=900;
//Center.y=680;
Sleep(2000);//read serial every two minutes;
//sleep
InvalidateRect(hwndMain,&rect,true);//重画屏幕
}
// ExitThread(0x15);return 0x15;
}
///fInitLoadPic
void InitLoadPic(POINT Center)
{
//
RePicAndBoxPosition(Center);//确定PIC和Box的位置
ReNotLoadBoxPosition(Center,pic);//根据目标点在Pic的位置（左上、右上、右下、左下） 确定NotLoadBox的位置
int intXnumth = Center.x/picWidth;//取整
int intYnumth = Center.y/picHeight;
intXnumth++;intYnumth++;//左下角的文件名是01001
//注：按左上、右上、右下、左下的顺序，先占到的边先取等号 (>= <=)
switch(WhereIsCenterAtPic(Center,pic))
{
case 1: //第一种情况 目标在目标图的左上部分
//目标图
MakePicName(intXnumth,intYnumth,0,0); LoadPicToHdc_i(hdc, StrPicName0,11);
//邻接图 (顺时针)
MakePicName(intXnumth,intYnumth,-1,0); LoadPicToHdc_i(hdc, StrPicName0,10);
MakePicName(intXnumth,intYnumth,-1,1); LoadPicToHdc_i(hdc, StrPicName0,6);
MakePicName(intXnumth,intYnumth,0,1); LoadPicToHdc_i(hdc, StrPicName0,7);
break;
case 2: //第二种情况 目标在目标图的右上部分
//目标图
MakePicName(intXnumth,intYnumth,0,0); LoadPicToHdc_i(hdc, StrPicName0,10);
//邻接图 (顺时针)
MakePicName(intXnumth,intYnumth,0,1); LoadPicToHdc_i(hdc, StrPicName0,6);
MakePicName(intXnumth,intYnumth,1,1); LoadPicToHdc_i(hdc, StrPicName0,7);
MakePicName(intXnumth,intYnumth,1,0); LoadPicToHdc_i(hdc, StrPicName0,11);
break;
case 3: //第三种情况 目标在目标图的右下部
//目标图
MakePicName(intXnumth,intYnumth,0,0); LoadPicToHdc_i(hdc, StrPicName0,6);
//邻接图 (顺时针)
MakePicName(intXnumth,intYnumth,1,0); LoadPicToHdc_i(hdc, StrPicName0,7);
MakePicName(intXnumth,intYnumth,1,-1); LoadPicToHdc_i(hdc, StrPicName0,11);
MakePicName(intXnumth,intYnumth,0,-1); LoadPicToHdc_i(hdc, StrPicName0,10);
break;
case 4: //第四种情况 目标在目标图的左下部
//目标图
MakePicName(intXnumth,intYnumth,0,0); LoadPicToHdc_i(hdc, StrPicName0,7);
//邻接图 (顺时针)
MakePicName(intXnumth,intYnumth,0,-1); LoadPicToHdc_i(hdc, StrPicName0,11);
MakePicName(intXnumth,intYnumth,-1,-1); LoadPicToHdc_i(hdc, StrPicName0,10);
MakePicName(intXnumth,intYnumth,-1,0); LoadPicToHdc_i(hdc, StrPicName0,6);
break;
}
}
/////// 以上为开机初始化时调入图像的函数 和线程 ///////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
//------------fOnDraw()绘图函数---------------------
void OnDraw(HDC hdc)
{
/*
int width,height;
//按hdc6 7 11 10顺序
if(Cross.x>box.right){ width=PicBoxWidth;}else{width=Cross.x-box.left;}
//if(box.top>Cross.y){ height=PicBoxHeight;}else{height=box.top-Cross.y;}
if(box.bottom>Cross.y){ height=PicBoxHeight;}else{height=box.top-Cross.y;}
BitBlt(hdc, 0, rect.top, width , height , g_hdc6, picWidth-(Cross.x-box.left) , picHeight-(box.top-Cross.y) ,SRCCOPY );
if(box.left>Cross.x) {width=PicBoxWidth;}else{width=box.right-Cross.x;}
if(box.bottom>Cross.y) {height=PicBoxHeight;}else{height=box.top-Cross.y; }
BitBlt(hdc, Cross.x-box.left, rect.top, width, height , g_hdc7, 0 , picHeight-(box.top-Cross.y) ,SRCCOPY );
if(box.left>Cross.x){width=PicBoxWidth;}else{width=box.right-Cross.x; }
if(box.top<Cross.y){height=PicBoxHeight;}else{height=Cross.y-box.bottom; }
BitBlt(hdc, Cross.x-box.left, rect.top+box.top-Cross.y, width , height , g_hdc11, 0 , 0 ,SRCCOPY );
/////
if(box.right<Cross.x){width=PicBoxWidth;}else{width=Cross.x-box.left; }
if(box.top<Cross.y){height=PicBoxHeight;}else{height=Cross.y-box.bottom;}
BitBlt(hdc, 0 , rect.top+box.top-Cross.y , width, height , g_hdc10, picWidth-(Cross.x-box.left) , 0 ,SRCCOPY );
*/
// 6 7 11 10顺序
if(Cross.x<box.left) //左部
{
if(Cross.y<box.bottom )//上
{
BitBlt(hdc, 0 , rect.top, PicBoxWidth, PicBoxHeight , g_hdc7, box.left-Cross.x , Cross.y+picHeight-box.top ,SRCCOPY );
}
else if(Cross.y>=box.bottom && Cross.y<=box.top)//中
{
BitBlt(hdc, 0 , rect.top , PicBoxWidth , box.top-Cross.y , g_hdc7, box.left-Cross.x , Cross.y+picHeight-box.top,SRCCOPY );
BitBlt(hdc, 0 , rect.top+box.top-Cross.y , PicBoxWidth, Cross.y-box.bottom , g_hdc11, box.left-Cross.x , 0 ,SRCCOPY );
}
else //下
{
BitBlt(hdc, 0 , rect.top , PicBoxWidth, PicBoxHeight , g_hdc11, box.left-Cross.x , Cross.y-box.top ,SRCCOPY );
}
}//if(Cross.x<box.left) //左结束
else if(Cross.x>=box.left && Cross.x<=box.right)//中部
{
if(Cross.y<box.bottom )//上
{
BitBlt(hdc, 0 , rect.top, Cross.x-box.left , PicBoxHeight , g_hdc6, box.left-(Cross.x-picWidth) , Cross.y+picHeight-box.top ,SRCCOPY );
BitBlt(hdc, Cross.x-box.left , rect.top, box.right-Cross.x , PicBoxHeight , g_hdc7, 0 , Cross.y+picHeight-box.top ,SRCCOPY );
}
else if(Cross.y>=box.bottom && Cross.y<=box.top)//中
{
BitBlt(hdc, 0 , rect.top , Cross.x-box.left , box.top-Cross.y , g_hdc6, box.left-(Cross.x-picWidth) , Cross.y+picHeight-box.top,SRCCOPY );
BitBlt(hdc, Cross.x-box.left , rect.top , box.right-Cross.x, box.top-Cross.y , g_hdc7, 0 , Cross.y+picHeight-box.top ,SRCCOPY );
BitBlt(hdc, Cross.x-box.left , rect.top+box.top-Cross.y , box.right-Cross.x , Cross.y-box.bottom , g_hdc11, 0 , 0 ,SRCCOPY );
BitBlt(hdc, 0 , rect.top+box.top-Cross.y , Cross.x-box.left , Cross.y-box.bottom , g_hdc10, box.left-(Cross.x-picWidth) , 0 ,SRCCOPY );
}
else //下
{
BitBlt(hdc, 0 , rect.top , Cross.x-box.left , PicBoxHeight , g_hdc10, box.left-(Cross.x-picWidth) , Cross.y-box.top ,SRCCOPY );
BitBlt(hdc, Cross.x-box.left , rect.top , box.right-Cross.x , PicBoxHeight , g_hdc11, 0 , Cross.y-box.top ,SRCCOPY );
}
}
else //右部
{
if(Cross.y<box.bottom )//上
{
BitBlt(hdc, 0 , rect.top, PicBoxWidth, PicBoxHeight , g_hdc6, box.left-(Cross.x-picWidth) , Cross.y+picHeight-box.top ,SRCCOPY );
}
else if(Cross.y>=box.bottom && Cross.y<=box.top)//中
{
BitBlt(hdc, 0 , rect.top , PicBoxWidth , box.top-Cross.y , g_hdc6, box.left-(Cross.x-picWidth) , Cross.y+picHeight-box.top,SRCCOPY );
BitBlt(hdc, 0 , rect.top+box.top-Cross.y , PicBoxWidth, Cross.y-box.bottom , g_hdc10, box.left-(Cross.x-picWidth) , 0 ,SRCCOPY );
}
else //下
{
BitBlt(hdc, 0 , rect.top , PicBoxWidth, PicBoxHeight , g_hdc10, box.left-(Cross.x-picWidth) , Cross.y-box.top ,SRCCOPY );
}
}
}
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