//-----------------------------------【程序說明】----------------------------------------------
//??程序名稱：???createTrackbar函數(shù)?官方sample程序【?淺墨優(yōu)化&詳細注釋版】
//	?說明：【OpenCV入門教程之四】?創(chuàng)建Trackbar?&圖像對比度、亮度值調(diào)整??配套博文源碼之【番外篇】
//??VisualStudio?2010版???使用OpenCV版本：2.4.8
//	?官方原版示例路徑：opencv_source_code/samples/cpp/connected_components.cpp?
//	?配套博文鏈接：http://blog.csdn.net/poem_qianmo/article/details/21479533
//	?2014年3月18?日?Edited?by?淺墨
//	?淺墨的微博：@淺墨_毛星云
//------------------------------------------------------------------------------------------------

//-----------------------------------【頭文件包含部分】---------------------------------------
//	描述：包含程序所依賴的頭文件
//----------------------------------------------------------------------------------------------?
#include?“opencv2/imgproc/imgproc.hpp“
#include?“opencv2/highgui/highgui.hpp“
#include?

//-----------------------------------【命名空間聲明部分】---------------------------------------
//	描述：包含程序所使用的命名空間
//-----------------------------------------------------------------------------------------------???
using?namespace?cv;
using?namespace?std;

//-----------------------------------【全局函數(shù)聲明部分】--------------------------------------
//	描述：全局函數(shù)聲明
//-----------------------------------------------------------------------------------------------
Mat?img;
int?threshval?=?160;			//軌跡條滑塊對應(yīng)的值，給初值160

//-----------------------------【on_trackbar（?）函數(shù)】------------------------------------
//	描述：軌跡條的回調(diào)函數(shù)
//-----------------------------------------------------------------------------------------------
static?void?on_trackbar（int?void*）
{
	Mat?bw?=?threshval??threshval）;

	//定義點和向量
	vector?>?contours;
	vector?hierarchy;

	//查找輪廓
	findContours（?bw?contours?hierarchy?CV_RETR_CCOMP?CV_CHAIN_APPROX_SIMPLE?）;
	//初始化dst
	Mat?dst?=?Mat::zeros（img.size（）?CV_8UC3）;
	//開始處理
	if（?!contours.empty（）?&&?!hierarchy.empty（）?）
	{
		//遍歷所有頂層輪廓，隨機生成顏色值繪制給各連接組成部分
		int?idx?=?0;
		for（?;?idx?>=?0;?idx?=?hierarchy[idx][0]?）
		{
			Scalar?color（?（rand（）&255）?（rand（）&255）?（rand（）&255）?）;
			//繪制填充輪廓
			drawContours（?dst?contours?idx?color?CV_FILLED?8?hierarchy?）;
		}
	}
	//顯示窗口
	imshow（?“Connected?Components“?dst?）;
}


//-----------------------------------【main（?）函數(shù)】--------------------------------------------
//	描述：控制臺應(yīng)用程序的入口函數(shù)，我們的程序從這里開始
//-----------------------------------------------------------------------------------------------
int?main（??）
{
	system（“color?5F“）;??
	//載入圖片
	img?=?imread（“1.jpg“?0）;
	if（?!img.data?）?{?printf（“Oh，no，讀取img圖片文件錯誤~！?\n“）;?return?-1;?}

	//顯示原圖
	namedWindow（?“Image“?1?）;
	imshow（?“Image“?img?）;

	//創(chuàng)建處理窗口
	namedWindow（?“Connected?Components“?1?）;
	//創(chuàng)建軌跡條
	createTrackbar（?“Threshold“?“Connected?Components“?&threshval?255?on_trackbar?）;
	on_trackbar（threshval?0）;//軌跡條回調(diào)函數(shù)

	waitKey（0）;
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????99296??2014-03-18?21:02??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\1.jpg

?????文件???????3243??2014-03-18?21:45??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\main.cpp

?????文件???????4425??2014-03-17?17:34??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar.vcxproj

?????文件????????942??2014-03-17?17:33??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar.vcxproj.filters

?????文件????????143??2014-03-17?17:32??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar.vcxproj.user

?????文件????????842??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\cl.command.1.tlog

?????文件??????????2??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\cl.read.1.tlog

?????文件????????398??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\cl.write.1.tlog

?????文件???????3442??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\link.command.1.tlog

?????文件?????975739??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\main.obj

?????文件????????381??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\OpenCVdemo4_ultra_createTrackbar.exe.intermediate.manifest

?????文件?????????86??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\OpenCVdemo4_ultra_createTrackbar.lastbuildstate

?????文件???????3437??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\OpenCVdemo4_ultra_createTrackbar.log

?????文件?????438272??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release\vc100.pdb

?????文件????????963??2014-03-17?17:32??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar.sln

????..A..H.?????17408??2014-03-17?22:17??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar.suo

?????文件??????99296??2014-03-18?21:02??OpenCVdemo4_ultra_createTrackbar\Release\1.jpg

?????文件??????17408??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\Release\OpenCVdemo4_ultra_createTrackbar.exe

?????文件?????658432??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\Release\OpenCVdemo4_ultra_createTrackbar.pdb

?????文件????2098688??2013-12-29?12:09??OpenCVdemo4_ultra_createTrackbar\Release\opencv_core248.dll

?????文件????2080768??2013-12-29?12:10??OpenCVdemo4_ultra_createTrackbar\Release\opencv_highgui248.dll

?????文件????1905664??2013-12-29?12:10??OpenCVdemo4_ultra_createTrackbar\Release\opencv_imgproc248.dll

?????目錄??????????0??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar\Release

?????目錄??????????0??2014-03-18?21:46??OpenCVdemo4_ultra_createTrackbar\OpenCVdemo4_ultra_createTrackbar

?????目錄??????????0??2014-03-18?21:48??OpenCVdemo4_ultra_createTrackbar\Release

?????目錄??????????0??2014-03-18?21:48??OpenCVdemo4_ultra_createTrackbar

-----------?---------??----------?-----??----

??????????????8409275????????????????????26