emwin 表盘

ucgui · 发表于 2015-4-16 22:10:49

建立一个对话框想在其中加入一个旋转的指针可是写好函数后直接引用出不来回调函数那里怎么处理啊能实现这个功能吗

不知道有没有人做过这个请大家帮忙看看谢谢了

#define ID_WINDOW_0 (GUI_ID_USER + 0x01)

#define countof(Obj) (sizeof(Obj) / sizeof(Obj[0]))
#define DEG2RAD (3.1415926f / 180)
#define MAG 4

static const GUI_POINT _aNeedle_0[] = {
{ MAG * ( 0), MAG * ( 0 )},
{ MAG * (-3), MAG * (10 )},
{ MAG * (-3), MAG * (60)},
{ MAG * ( 3), MAG * (60 )},
{ MAG * ( 3), MAG * (10 )},
};

typedef struct {
GUI_AUTODEV_INFO AutoDevInfo;
GUI_POINT aPoints[7];
float Angle;
} PARAM;

void _Draw_0(void * p) {
PARAM * pParam = (PARAM *)p;

GUI_SetColor(GUI_RED);

GUI_AA_FillPolygon(pParam->aPoints, countof(_aNeedle_0), MAG * 150, MAG * 180);

}

void GUIDEMO_A(void) {
int t0=27000 ;

PARAM Param;
GUI_AUTODEV AutoDev;
GUI_MEMDEV_Handle hMem;

GUI_AA_EnableHiRes();
GUI_AA_SetFactor(MAG);

GUI_MEMDEV_CreateAuto(&AutoDev);

while (1)
{

t0-= 100;
if(t0 < 17000)
{
t0 = 27000;
}

Param.Angle= t0;
Param.Angle *= 3.1415926f / 18000;
GUI_RotatePolygon(Param.aPoints, _aNeedle_0, countof(_aNeedle_0), Param.Angle);
GUI_MEMDEV_DrawAuto(&AutoDev, &

aram.AutoDevInfo, _Draw_0, &

aram);

}

}

static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {

{ WINDOW_CreateIndirect, "Window", ID_WINDOW_0, 0, 0, 800, 480, 0, 0x64, 0 },

};

static void _cbDialog(WM_MESSAGE * pMsg) {

switch (pMsg->MsgId) {

case WM_PAINT:

break;

case WM_NOTIFY_PARENT:
GUIDEMO_A();

break;
default:
WM_DefaultProc(pMsg);

}
}

void MainTask(void)
{
/* 初始化并创建对话框 */
GUI_Init();

WM_SetCreateFlags(WM_CF_MEMDEV);

hWinMain= GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _cbDialog, WM_HBKWIN, 0, 0);

while(1)
{
GUI_Delay(20);
}
}