OpenCV学习(2)--基本数据结构

 1 typedef struct CvPoint
 2 {
 3     int x;
 4     int y;
 5 }
 6 CvPoint;
 7 
 8 
 9 CV_INLINE  CvPoint  cvPoint( int x, int y )
10 {
11     CvPoint p;
12 
13     p.x = x;
14     p.y = y;
15 
16     return p;
17 }

1 define CV_INLINE inline

 1 typedef struct CvSize
 2 {
 3     int width;
 4     int height;
 5 }
 6 CvSize;
 7 
 8 CV_INLINE  CvSize  cvSize( int width, int height )
 9 {
10     CvSize s;
11 
12     s.width = width;
13     s.height = height;
14 
15     return s;
16 }

 1 typedef struct CvRect
 2 {
 3     int x;
 4     int y;
 5     int width;
 6     int height;
 7 }
 8 CvRect;
 9 
10 CV_INLINE  CvRect  cvRect( int x, int y, int width, int height )
11 {
12     CvRect r;
13 
14     r.x = x;
15     r.y = y;
16     r.width = width;
17     r.height = height;
18 
19     return r;
20 }

typedef struct CvScalar
{
double val[4];
}
CvScalar;

//至少传一个参数，如果后面三个没有，默认为0
CV_INLINE CvScalar cvScalar( double val0, double val1 CV_DEFAULT(0),
double val2 CV_DEFAULT(0), double val3 CV_DEFAULT(0))
{
CvScalar scalar;
scalar.val[0] = val0; scalar.val[1] = val1;
scalar.val[2] = val2; scalar.val[3] = val3;
return scalar;
}

//只对第一个参数赋值，后面的为0
CV_INLINE CvScalar cvRealScalar( double val0 )
{
CvScalar scalar;
scalar.val[0] = val0;
scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
return scalar;
}

//把四个参数都赋值为传入的那个参数
CV_INLINE CvScalar cvScalarAll( double val0123 )
{
CvScalar scalar;
scalar.val[0] = val0123;
scalar.val[1] = val0123;
scalar.val[2] = val0123;
scalar.val[3] = val0123;
return scalar;
}