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#include <highgui.h>
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#include <cv.h>
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#include <stdio.h>
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#pragma
comment (lib,"opencv_calib3d231d.lib")
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#pragma
comment (lib,"opencv_contrib231d.lib")
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#pragma
comment (lib,"opencv_core231d.lib")
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#pragma
comment (lib,"opencv_features2d231d.lib")
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#pragma
comment (lib,"opencv_flann231d.lib")
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#pragma
comment (lib,"opencv_gpu231d.lib")
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#pragma
comment (lib,"opencv_haartraining_engined.lib")
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#pragma
comment (lib,"opencv_highgui231d.lib")
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#pragma
comment (lib,"opencv_imgproc231d.lib")
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#pragma
comment (lib,"opencv_legacy231d.lib")
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#pragma
comment (lib,"opencv_ml231d.lib")
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#pragma
comment (lib,"opencv_objdetect231d.lib")
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#pragma
comment (lib,"opencv_ts231d.lib")
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#pragma
comment (lib,"opencv_video231d.lib")
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/*
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*《学习OpenCV》第三章第八题b
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* 完成时间：19:46 4/4 星期四 2013
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*/
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#define
ARRAY_LENGTH 10
//
数组长度
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typedef
struct
my_struct
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{
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int
i;
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CvPoint point;
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CvRect rect;
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} MyStruct;
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void
write_my_struct(CvFileStorage * fs,
const
char
* name, my_struct*
ms)
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{
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//
开始写数据
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cvStartWriteStruct(fs, name,
6
);
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//
写入一个 整数
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cvStartWriteStruct(fs,
"
integer
"
,CV_NODE_SEQ);
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cvWriteInt(fs,NULL,ms->
i);
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cvEndWriteStruct(fs);
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//
写入cvpoint结构
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cvStartWriteStruct(fs,
"
CvPoint
"
,CV_NODE_SEQ);
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cvWriteInt(fs,NULL,ms->
point.x);
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cvWriteInt(fs,NULL,ms->
point.y);
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cvEndWriteStruct(fs);
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//
写入rect结构体
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cvStartWriteStruct(fs,
"
CvRect
"
,CV_NODE_SEQ);
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cvWriteInt(fs,NULL,ms->
rect.x);
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cvWriteInt(fs,NULL,ms->
rect.y);
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cvWriteInt(fs,NULL,ms->
rect.height);
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cvWriteInt(fs,NULL,ms->
rect.width);
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cvEndWriteStruct(fs);
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//
结束写数据
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cvEndWriteStruct(fs);
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}
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void
read_my_struct(CvFileStorage* fs, CvFileNode* ms_node, my_struct*
ms)
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{
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//
读第一个整数
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//
注意：这里应使用node->data.i的value来读取Integer
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int
i = cvGetFileNodeByName(fs, ms_node,
"
integer
"
)->
data.i;
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ms->i =
i;
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//
读CvPoint结构
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CvSeq *s1 = cvGetFileNodeByName(fs, ms_node,
"
CvPoint
"
)->
data.seq;
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CvPoint point;
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point.x= cvReadInt((CvFileNode*)cvGetSeqElem(s1,
0
));
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point.y= cvReadInt((CvFileNode*)cvGetSeqElem(s1,
1
));
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ms->point =
point;
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//
读取CvRect结构
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CvSeq *s2 = cvGetFileNodeByName(fs, ms_node,
"
CvRect
"
)->
data.seq;
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CvRect rect;
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rect.x=cvReadInt((CvFileNode*)cvGetSeqElem(s2,
0
));
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rect.y=cvReadInt((CvFileNode*)cvGetSeqElem(s2,
1
));
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rect.width=cvReadInt((CvFileNode*)cvGetSeqElem(s2,
3
));
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rect.height=cvReadInt((CvFileNode*)cvGetSeqElem(s2,
2
));
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ms->rect =
rect;
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}
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//
将MyStruct的值显示出来
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void
ShowStructValue(MyStruct*
pvalue)
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{
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printf(
"
integer:%d\n
"
, pvalue->
i);
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printf(
"
CvPoint: (%d, %d)\n
"
, pvalue->point.x, pvalue->
point.y );
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printf(
"
CvRect: h-->%d\tw-->%d\t(%d, %d)\n
"
, pvalue->
rect.height,
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pvalue->rect.width, pvalue->rect.x, pvalue->
rect.y);
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}
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//
检查两个MyStruct是否一致
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bool
check(MyStruct* msValue1, MyStruct*
msValue2)
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{
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if
( (msValue1->i == msValue2->i) &&
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(msValue1->point.x == msValue2->point.x) &&
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(msValue1->point.y == msValue2->point.y) &&
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(msValue1->rect.height == msValue2->rect.height) &&
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(msValue1->rect.width == msValue2->rect.width) &&
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(msValue1->rect.x == msValue2->rect.x) &&
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(msValue1->rect.y == msValue2->
rect.y) )
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return
true
;
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else
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return
false
;
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}
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int
main()
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{
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/*
写数据部分
*/
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MyStruct msArray[ARRAY_LENGTH];
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CvFileStorage* fs = cvOpenFileStorage(
"
My_struct.xml
"
,
0
, CV_STORAGE_WRITE);
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char
pchTag[
12
];
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//
随机生成数据
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for
(
int
i =
0
; i < ARRAY_LENGTH; i++
)
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{
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CvRNG rng =
cvRNG(cvGetTickCount());
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msArray[i].i = cvRandInt(&rng) %
256
;
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msArray[i].point = cvPoint( cvRandInt(&rng) %
1000
, cvRandInt(&rng) %
1000
);
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msArray[i].rect = cvRect( cvRandInt(&rng) %
1000
, cvRandInt(&rng) %
1000
,
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cvRandInt(&rng) %
600
, cvRandInt(&rng) %
600
);
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//
最后一个整数计数
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sprintf( pchTag,
"
my_struct_%d
"
, i );
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write_my_struct(fs, pchTag, &
msArray[i]);
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}
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cvReleaseFileStorage(&
fs);
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/*
读数据部分
*/
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fs = cvOpenFileStorage(
"
My_struct.xml
"
, NULL, CV_STORAGE_READ );
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MyStruct msArrayRead[ARRAY_LENGTH];
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CvFileNode *
pnode;
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for
(
int
i =
0
; i < ARRAY_LENGTH; i++
)
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{
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sprintf( pchTag,
"
my_struct_%d
"
, i );
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pnode =
cvGetFileNodeByName(fs, NULL, pchTag);
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read_my_struct( fs, pnode, &
msArrayRead[i] );
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//
显示
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printf(
"
---------------------- %d: Write -------------------------\n
"
, i);
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ShowStructValue( &
msArray[i]);
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printf(
"
---------------------- %d: Read --------------------------\n
"
, i);
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ShowStructValue( &
msArrayRead[i]);
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//
检查读写是否一致
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if
(check(&msArray[i], &
msArrayRead[i] ))
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{
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printf(
"
Consistent?:\tAnswer: True\n
"
);
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}
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else
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{
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printf(
"
Consistent?:\tAnswer: False\n
"
);
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}
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getchar();
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}
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cvReleaseFileStorage(&
fs);
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return
0
;
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}
对应的XML文件：
运行结果：
