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widget.cpp
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/*
* @Author: CanEve [email protected]
* @Date: 2023-05-15 01:38:23
* @LastEditors: CanEve [email protected]
* @LastEditTime: 2023-06-03 23:32:57
* @FilePath: \undefinedf:\qtprojects\pimix\pimix\widget.cpp
* @Description: 没有使用ui文件设置，直接cpp中添加的控件，图片合成数据打了9折（只测试了8位的bmp）
*/
#include "widget.h"
#include <QFile>
#include <QFileDialog>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <string.h>
#include <stdio.h>
#include <QProgressBar>
#include <QSlider>
IMAGE image;
Widget::Widget(QWidget *parent)
: QWidget(parent)
{
//2.
lb_1 = new QLabel("+");
lb_2 = new QLabel("=");
lb_pix1 = new QLabel();
lb_pix1->setFixedSize(340, 240);//源图片1显示label
lb_pix2 = new QLabel();
lb_pix2->setFixedSize(340, 240);//源图片2显示label
lb_pix3 = new QLabel();
lb_pix3->setFixedSize(340, 240);//合成图片显示label
le = new QLineEdit();//调节比例的滑动条
bt_1 = new QPushButton("图片1");
bt_2 = new QPushButton("图片2");
bt_3 = new QPushButton("合成");
sl=new QSlider();
sl->setMaximum(100);
sl->setMinimum(0);
sl->setValue(50);
sl->setMinimumHeight(300);
sl->setTracking(true);
// sl2=new QSlider();
// sl2->setMaximum(50);
// sl2->setMinimum(-50);
// sl2->setValue(0);
lb_2->setText("= "+QString::number((sl->value())/100.0));
//3个垂直排布
QVBoxLayout *vbox1 = new QVBoxLayout;
QVBoxLayout *vbox2 = new QVBoxLayout;
QVBoxLayout *vbox3 = new QVBoxLayout;
QHBoxLayout *hbox = new QHBoxLayout;//将3个垂直排布装入水平排布中
hbox->addLayout(vbox1);
hbox->addWidget(lb_1);
hbox->addLayout(vbox2);
hbox->addWidget(lb_2);
hbox->addWidget(sl);
// hbox->addWidget(sl2);
hbox->addLayout(vbox3);
vbox1->addWidget(lb_pix1);//垂直排布分布放图片和选择按键
vbox1->addWidget(bt_1);
vbox2->addWidget(lb_pix2);
vbox2->addWidget(bt_2);
vbox3->addWidget(lb_pix3);
vbox3->addWidget(bt_3);
setLayout(hbox);
// setLayout(vbox);
// setLayout(hbox);
//关联信号与槽
connect(bt_1, SIGNAL(clicked(bool)), this, SLOT(desplay1()));
connect(bt_2, SIGNAL(clicked(bool)), this, SLOT(desplay2()));
connect(bt_3, SIGNAL(clicked(bool)), this, SLOT(desplay3()));
connect(sl,SIGNAL(valueChanged(int)),this,SLOT(ValueChanged()));
connect(sl,SIGNAL(sliderReleased()),this,SLOT(change_ok()));
}
Widget::~Widget()
{
}
void Widget::ValueChanged(){//改变比例时合成
lb_2->setText("= "+QString::number((sl->value())/100.0)/*+" "+QString::number((sl2->value()))*/);
desplay3();//
}
void Widget::desplay1()//选择图片1
{
image.file1 = QFileDialog::getOpenFileName();//选择文件
lb_pix1->setScaledContents(true);//自适应内容
lb_pix1->setPixmap(image.file1);
}
void Widget::desplay2()//选择图片2
{
image.file2 = QFileDialog::getOpenFileName();
lb_pix2->setScaledContents(true);//自适应内容
lb_pix2->setPixmap(image.file2);
}
void Widget::desplay3()//合成显示图片3
{
QFile file1(image.file1);
QFile file2(image.file2);
// if(strlen(image.file3)<2)
if(image.file3.isEmpty())
image.file3=QFileDialog::getSaveFileName();
QFile file3(image.file3);
file1.open(QIODevice::ReadOnly);
file2.open(QIODevice::ReadOnly);
file3.open(QIODevice::ReadWrite|QIODevice::Text);
file1.seek(0);
QByteArray buf1=file1.readAll();
file2.seek(0);
QByteArray buf2=file2.readAll();
// QByteArray buf3;
// char buf4[60000]={0};
int size=buf1.length()>buf2.length() ? buf2.length(): buf1.length();
for(int i=54;i<size;i++){//图片叠加
buf2[i]=(((sl->value())/100.0)*/*((sl2->value())/50.0))**/((unsigned char)buf1[i])+(1-((sl->value())/100.0))*/*((sl2->value())/50.0))**/((unsigned char)buf2[i]))*0.9+255*0.1;
//这里对合成数据打了9折，不知道为什么原数据合成图片会花，打折后就正常了
}
file3.seek(0);
file3.write(buf2);
file3.close();
file2.close();
file1.close();
lb_pix3->setScaledContents(true);//自适应内容
lb_pix3->setPixmap(image.file3);
}
void Widget::change_ok(){
}