/*
?*?test_Levels
?*
?*??Created?on:?2016年9月11日
?*??????Author:?Administrator
?*/


#include?
#include?
#include?“opencv2/core.hpp“
#include?“opencv2/imgproc.hpp“
#include?“opencv2/highgui.hpp“

#include?“Levels.hpp“

using?namespace?std;
using?namespace?cv;

static?string?window_name?=?“Photo“;
static?Mat?src;

static?Mat?levels_mat;
static?string?levels_window?=?“Adjust?Levels“;
static?int?channel?=?0;
Levels??levels;

int???Shadow;
int???Midtones?=?100;
int???Highlight;
int???OutputShadow;
int???OutputHighlight;

static?void?invalidate（）
{
	Mat?dst;
	levels.adjust（src?dst）;
	imshow（window_name?dst）;

	imshow（levels_window?levels_mat）;
}

static?void?channelRead（int?which_channel）
{
	channel?=?which_channel;
	Level?*?CurrentChannel?=?NULL;
	switch?（channel）?{
	case?0:?CurrentChannel?=?&levels.RGBChannel;?break;
	case?1:?CurrentChannel?=?&levels.RedChannel;?break;
	case?2:?CurrentChannel?=?&levels.GreenChannel;?break;
	case?3:?CurrentChannel?=?&levels.BlueChannel;?break;
	}
	if?（?CurrentChannel?==?NULL?）?return;

	Shadow?=?CurrentChannel->Shadow;
	Midtones?=?int?（CurrentChannel->Midtones?*?100）;
	Highlight?=?CurrentChannel->Highlight;
	OutputShadow?=?CurrentChannel->OutputShadow;
	OutputHighlight?=?CurrentChannel->OutputHighlight;

}

static?void?channelWrite（）
{
	Level?*?CurrentChannel?=?NULL;
	switch?（channel）?{
	case?0:?CurrentChannel?=?&levels.RGBChannel;?break;
	case?1:?CurrentChannel?=?&levels.RedChannel;?break;
	case?2:?CurrentChannel?=?&levels.GreenChannel;?break;
	case?3:?CurrentChannel?=?&levels.BlueChannel;?break;
	}

	if?（?CurrentChannel?==?NULL?）
		return?;

	CurrentChannel->Shadow?=?Shadow;
	CurrentChannel->Midtones?=?Midtones?/?100.0;
	CurrentChannel->Highlight?=?Highlight;
	CurrentChannel->OutputShadow?=?OutputShadow;
	CurrentChannel->OutputHighlight?=?OutputHighlight;

	invalidate（）;
}


static?void?callbackAdjust（int??void?*）
{
	channelWrite（）;
	invalidate（）;
}


static?void?callbackAdjustChannel（int??void?*）
{
	channelRead（channel）;
	setTrackbarPos（“Shadow“?levels_window?Shadow）;
	setTrackbarPos（“Midtones“?levels_window?Midtones）;
	setTrackbarPos（“Highlight“?levels_window?Highlight）;
	setTrackbarPos（“OutShadow“?levels_window?OutputShadow）;
	setTrackbarPos（“OutHighlight“?levels_window?OutputHighlight）;
	invalidate（）;
}


int?main（）
{
	//read?image?file
	src?=?imread（“building.jpg“）;
	if?（?!src.data?）?{
		cout?<		return?-1;
	}

	//create?window
	namedWindow（window_name）;
	imshow（window_name?src）;


	//create?window?for?levels
	namedWindow（levels_window）;
	levels_mat?=?Mat::ones（100400?CV_8UC3）;
	levels_mat.setTo（?Scalar（255255255）?）;
	imshow（levels_window?levels_mat）;

	channelRead（0）;
	createTrackbar（“Channel“?levels_window?&channel??3?callbackAdjustChannel）;
	createTrackbar（“Shadow“?levels_window?&Shadow??255?callbackAdjust）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????124965??2016-07-09?17:08??building.jpg

?????文件???????1065??2016-09-11?17:20??Levels.hpp

?????文件???????3093??2016-07-01?08:40??Levels.cpp

?????文件???????3373??2016-09-11?17:35??demo.cpp

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

???????????????132496????????????????????4