#include "skeletondialog.h"
#include "ui_skeletondialog.h"

SkeletonDialog::SkeletonDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::SkeletonDialog)
{
    ui->setupUi(this);
}

SkeletonDialog::~SkeletonDialog()
{
    delete ui;
}

void SkeletonDialog::on_buttonBox_accepted()
{
    int width=ui->widthSlider->value();
    int height=ui->heightSlider->value();
    int px=ui->XlineEdit->text().toInt();
    int py=ui->YlineEdit->text().toInt();
    int structType=0;
    if(ui->structcB->currentIndex()==0){
        structType=MORPH_RECT;
    }else if(ui->structcB->currentIndex()==1){
        structType=MORPH_ELLIPSE;
    }else if(ui->structcB->currentIndex()==2){
        structType=MORPH_CROSS;
    }
    //获取结构元素
    Mat structureElement = getStructuringElement(structType, Size(width, height), Point(px, py));
    Mat tot=image.clone();
    //将图像转化为灰度图处理
    cvtColor(tot,tot,CV_BGR2GRAY);
    //初始化目标图像
    Mat dst=Mat::zeros(image.rows,image.cols,CV_8UC1);
    //判断图像中是否还有不为0的点
    while(countNonZero(tot)!=0){
        Mat temp=tot.clone();
        //开运算
        erode(temp, temp, structureElement);
        dilate(temp, temp, structureElement);
        //与之前结果相加
        dst=dst|(tot-temp);
        //腐蚀运算
        erode(tot, tot, structureElement);
    }
    cvtColor(dst,dst,CV_GRAY2BGR);
    emit sendImage(dst);

}

void SkeletonDialog::receiveImage(Mat src){
    image = src;
}

void SkeletonDialog::on_heightSlider_valueChanged(int value)
{
    ui->label_height->setNum(value);
}

void SkeletonDialog::on_widthSlider_valueChanged(int value)
{
    ui->label_width->setNum(value);
}