1
#include <highgui.h>
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#include <cv.h>
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#include <stdio.h>
4
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#pragma
comment (lib,"opencv_calib3d231d.lib")
6
#pragma
comment (lib,"opencv_contrib231d.lib")
7
#pragma
comment (lib,"opencv_core231d.lib")
8
#pragma
comment (lib,"opencv_features2d231d.lib")
9
#pragma
comment (lib,"opencv_flann231d.lib")
10
#pragma
comment (lib,"opencv_gpu231d.lib")
11
#pragma
comment (lib,"opencv_haartraining_engined.lib")
12
#pragma
comment (lib,"opencv_highgui231d.lib")
13
#pragma
comment (lib,"opencv_imgproc231d.lib")
14
#pragma
comment (lib,"opencv_legacy231d.lib")
15
#pragma
comment (lib,"opencv_ml231d.lib")
16
#pragma
comment (lib,"opencv_objdetect231d.lib")
17
#pragma
comment (lib,"opencv_ts231d.lib")
18
#pragma
comment (lib,"opencv_video231d.lib")
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/*
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*《学习OpenCV》第三章第四题
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* 完成时间：2:13 3/2 星期六 2013
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*/
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//
图像宽高宏定义
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#define
IMG_WIDTH 400
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#define
IMG_HEIGHT 400
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//
两个顶点
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CvPoint point1 = cvPoint(
80
,
20
);
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CvPoint point2 = cvPoint(
160
,
80
);
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//
Help function
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//
检查当前点是否在要画的长方形区域内
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bool
isThePointInRectangle(
int
x,
int
y)
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{
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if
( (x <= point2.x) && (y <=
point2.y)
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& (x >= point1.x) && (y >=
point1.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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//
创建一个三通道RGB图像
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IplImage* image = cvCreateImage(cvSize(IMG_WIDTH, IMG_HEIGHT),
8
,
3
);
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//
将矩阵元素全部置零
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cvZero(image);
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uchar*
p;
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for
(
int
i =
0
; i < image->height; i++
)
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{
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for
(
int
j =
0
; j < image->width; j++
)
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{
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p = cvPtr2D(image, i, j,
0
);
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if
(isThePointInRectangle(i, j) ==
true
)
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{
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*(++p) =
255
;
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}
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}
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}
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cvNamedWindow(
"
img
"
,
1
);
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cvShowImage(
"
img
"
, image);
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cvWaitKey(
0
);
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cvReleaseImage(&
image);
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cvDestroyWindow(
"
img
"
);
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return
0
;
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}
运行结果：
