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- 2013-11-17
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- 76 小时
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能不能帮我分析下函数中各个形参变量的意思。
#define LINEBREADTH 10
#define LINECONCAT 8
void AccommodFondLine(s8 *PixelAryy ,u8 PixelCount , s16 *LastLeftPixelStation,s16 *LastRingtPixelStation,u8 FAVAULE)
{
static u8 NOLeftCount,NORingtCout ;
s16 temp0B ,temp1B,temp2B,temp3B;
u8 *LineStation ,LineCount ,*LineLeftStation,*LineRingtStation;
s16 LeftMIN,LeftMAX,RingtMIN,RingtMAX;
LineCount = 0 ;
for(temp0B = 0 ; temp0B < PixelCount ; temp0B ++)
{
temp1B = temp0B ;
temp2B = 0 ;
/***********
查找左边凹槽
***********/
while(temp2B <= LINEBREADTH)
{
temp1B -- ;
if(temp1B < 0)
break ;
if( PixelAryy[temp1B] - PixelAryy[temp0B] > FAVAULE )
{ temp2B ++ ;}
else if(temp2B)
{ break ; }
}
/***********
查找右边凹槽
***********/
temp1B = temp0B ;
temp3B = 0 ;
while(temp3B <= LINEBREADTH)
{
temp1B ++ ;
if(temp1B > PixelCount)
{ break ; }
if( PixelAryy[temp1B] - PixelAryy[temp0B] > FAVAULE )
{ temp3B ++ ;}
else if(temp3B)
{ break ; }
}
/***********
记录黑线位置
***********/
if(temp2B >= LINEBREADTH ){
*LineStation = temp0B ;
LineCount ++ ;
}else if(temp3B >= LINEBREADTH ){
*LineStation = temp0B ;
LineCount ++ ;
}
}
/**********
根据连续性查找左右黑线位置
**********/
if(LineCount)
{
temp2B = PixelCount >> 1 ;
temp1B = NOLeftCount << 1;
temp1B += LINECONCAT;
LeftMIN = *LastLeftPixelStation - temp1B ;
LeftMAX = *LastRingtPixelStation + temp1B ;
if(LeftMIN < 0)
LeftMIN = 0 ;
if(LeftMAX > (temp2B + 1))
LeftMAX = temp2B + 1 ;
RingtMIN = *LastRingtPixelStation - temp1B ;
RingtMAX = *LastRingtPixelStation + temp1B ;
if(RingtMAX > PixelCount)
RingtMAX = PixelCount ;
if(RingtMIN < (temp2B - 1)){
RingtMIN = temp2B - 1 ;
}
temp2B = 0 ;
temp3B = 0 ;
for(temp1B = 0 ;temp1B < LineCount ;temp1B ++ )
{
if( (LeftMIN < LineStation[temp1B])&&(LineStation[temp1B]<LeftMAX))
{
LineLeftStation[temp2B] = LineStation[temp1B] ;
temp2B ++ ;
}else if( (RingtMIN < LineStation[temp1B])&&(LineStation[temp1B]<RingtMAX))
{
LineRingtStation[temp3B] = LineStation[temp1B] ;
temp3B ++ ;
}
}
}else
{
NOLeftCount ++ ;
NORingtCout ++ ;
}
if(temp2B)
{
NOLeftCount = 0 ;
}
}
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