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mainwindow.cpp.autosave
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mainwindow.cpp.autosave
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QToolButton>
#include <QApplication>
#include <QSpinBox>
#include <QTextEdit>
#include <QMdiSubWindow>
#include <QLabel>
#include <string>
using namespace std;
#include <iostream>
#include <sstream>
#include <QFontDialog>
#include <QColorDialog>
#include <QFileDialog>
#include <QMessageBox>
#include <QTranslator>
#include <QDebug>
#include <QPaintDevice>
#include <QPainter>
#include <QImage>
#include <QtCore/qmath.h>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
using namespace cv;
#include <QTimer>
#include "video.h"
#include <opencv2/opencv.hpp>
#include <opencv2/imgproc/types_c.h>
#include "opencv2/imgproc/imgproc_c.h"///for cvSmooth
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
, beishu(1)
,delay(0)
{
ui->setupUi(this);
ui->pushButton_3->setDisabled(true);
ui->pushButton_4->setDisabled(true);
//视频
//connect(ui->pushButton_5, SIGNAL(clicked()), this, SLOT(onBtnClicked()));
connect(&timer, SIGNAL(timeout()), this, SLOT(onTimeout()));
connect(&timer, SIGNAL(timeout()), this, SLOT(updatePosition()));
setWindowFlags(windowFlags()&~Qt::WindowMaximizeButtonHint); // 禁止最大化按钮
setFixedSize(this->width(),this->height()); // 禁止拖动窗口大小
customMsgBox.setWindowTitle(tr("关于本软件"));
customMsgBox.addButton(tr("好的"),QMessageBox::ActionRole);
customMsgBox.setIconPixmap(QPixmap(":/myImage/images/about1.png"));
customMsgBox.setText(tr("欢迎使用《多功能图像视频处理》软件！本软件具有简单的图像和视频处理功能。\n"
"图像功能包括多选打开、旋转、镜像、灰度化、均值滤波、"
"边缘检测、原图复合、伽马检测、二值化、色彩调整、亮度调整、对比度调整、饱和度调整等功能。\n"
"视频功能包括暂停、播放、进度条、灰度化、边缘检测、平滑、二值化、局部马赛克、缩放等功能。\n"
"——By fyf"));
ui->statusBar->showMessage(tr("欢迎使用多功能浏览器"),2000);
QLabel *permanent = new QLabel(this);
permanent->setObjectName("status");
permanent->setFrameStyle(QFrame::Box|QFrame::Sunken);
permanent->setText("欢迎使用！");
ui->statusBar->addPermanentWidget(permanent);
ui->tabWidget->setStyleSheet("QTabWidget:pane {border-top:0px;background: transparent; }");
}
MainWindow::~MainWindow()
{
delete ui;
capture.release();
}
void MainWindow::on_action_Dock_triggered()
{
ui->dockWidget->show();
}
void MainWindow::on_action_Open_triggered()
{
QStringList srcDirPathListS = QFileDialog::getOpenFileNames(this, tr("选择图片"), "E:/Qt/qtworks/MainWindow/images", tr("图像文件(*.jpg *.png *.bmp)"));
if(srcDirPathListS.size()>0)
{
ui->tabWidget->setCurrentIndex(0);
}
if(srcDirPathListS.size()>=3){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
QString src2 = srcDirPathList.at((index+2)%srcDirPathList.size());
QImage image2(src2);
QImage Image2 = ImageCenter(image2,ui->label_other_3);
ui->label_other_3->setPixmap(QPixmap::fromImage(Image2));
ui->label_other_3->setAlignment(Qt::AlignCenter);
ui->pushButton_3->setDisabled(false);
ui->pushButton_4->setDisabled(false);
ui->label_other_1->setVisible(true);
ui->label_other_3->setVisible(true);
}else if(srcDirPathListS.size()==1){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
//有图片触发事件
//isImage=true;
//qDebug("%d",srcDirPathList.size());
ui->pushButton_3->setDisabled(true);
ui->pushButton_4->setDisabled(true);
ui->label_other_3->setVisible(false);
ui->label_other_1->setVisible(false);
}
else if(srcDirPathListS.size()==2){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
//有图片触发事件
//isImage=true;
//qDebug("%d",srcDirPathList.size());
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
ui->pushButton_3->setDisabled(false);
ui->pushButton_4->setDisabled(false);
ui->label_other_1->setVisible(true);
ui->label_other_3->setVisible(false);
}
}
void split(const string& s,vector<int>& sv,const char flag = ' ') {
sv.clear();
istringstream iss(s);
string temp;
while (getline(iss, temp, flag)) {
sv.push_back(stoi(temp));
}
return;
}
//图片居中显示,图片大小与label大小相适应
QImage MainWindow::ImageCenter(QImage qimage,QLabel *qLabel)
{
QImage image;
QSize imageSize = qimage.size();
QSize labelSize = qLabel->size();
double dWidthRatio = 1.0*imageSize.width() / labelSize.width();
double dHeightRatio = 1.0*imageSize.height() / labelSize.height();
if (dWidthRatio>dHeightRatio)
{
image = qimage.scaledToWidth(labelSize.width());
}
else
{
image = qimage.scaledToHeight(labelSize.height());
}
return image;
}
//选择图片
void MainWindow::on_pushButton_clicked()
{
QStringList srcDirPathListS = QFileDialog::getOpenFileNames(this, tr("选择图片"), "E:/Qt/qtworks/MainWindow/images", tr("图像文件(*.jpg *.png *.bmp)"));
if(srcDirPathListS.size()>0)
{
ui->tabWidget->setCurrentIndex(0);
}
if(srcDirPathListS.size()>=3){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
QString src2 = srcDirPathList.at((index+2)%srcDirPathList.size());
QImage image2(src2);
QImage Image2 = ImageCenter(image2,ui->label_other_3);
ui->label_other_3->setPixmap(QPixmap::fromImage(Image2));
ui->label_other_3->setAlignment(Qt::AlignCenter);
ui->pushButton_3->setDisabled(false);
ui->pushButton_4->setDisabled(false);
ui->label_other_1->setVisible(true);
ui->label_other_3->setVisible(true);
}else if(srcDirPathListS.size()==1){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
//有图片触发事件
//isImage=true;
//qDebug("%d",srcDirPathList.size());
ui->pushButton_3->setDisabled(true);
ui->pushButton_4->setDisabled(true);
ui->label_other_3->setVisible(false);
ui->label_other_1->setVisible(false);
}
else if(srcDirPathListS.size()==2){
srcDirPathList =srcDirPathListS;
srcDirPathListS.clear();
index =0;
QString srcDirPath = srcDirPathList.at(index);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
//有图片触发事件
//isImage=true;
//qDebug("%d",srcDirPathList.size());
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
ui->pushButton_3->setDisabled(false);
ui->pushButton_4->setDisabled(false);
ui->label_other_1->setVisible(true);
ui->label_other_3->setVisible(false);
}
}
//上一张
void MainWindow::on_pushButton_3_clicked()
{
if(srcDirPathList.size()>=3)
{
index=qAbs(index+srcDirPathList.size()-1);
int i = index%srcDirPathList.size();
//qDebug("%d",i);
QString srcDirPath = srcDirPathList.at(i);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images3=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images3));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at(qAbs(index+srcDirPathList.size()-1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
QString src2 = srcDirPathList.at(qAbs(index+srcDirPathList.size()-2)%srcDirPathList.size());
QImage image2(src2);
QImage Image2 = ImageCenter(image2,ui->label_other_3);
ui->label_other_3->setPixmap(QPixmap::fromImage(Image2));
ui->label_other_3->setAlignment(Qt::AlignCenter);
}
else if(srcDirPathList.size()==2){
index=qAbs(index+srcDirPathList.size()-1);
int i = index%srcDirPathList.size();
//qDebug("%d",i);
QString srcDirPath = srcDirPathList.at(i);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images3=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images3));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at(qAbs(index+srcDirPathList.size()-1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
}
}
//下一张
void MainWindow::on_pushButton_4_clicked()
{
if(srcDirPathList.size()>=3)
{
index=qAbs(index+1);
int i = index%srcDirPathList.size();
// qDebug("%d",i);
QString srcDirPath = srcDirPathList.at(i);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images1=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images1));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
QString src2 = srcDirPathList.at((index+2)%srcDirPathList.size());
QImage image2(src2);
QImage Image2 = ImageCenter(image2,ui->label_other_3);
ui->label_other_3->setPixmap(QPixmap::fromImage(Image2));
ui->label_other_3->setAlignment(Qt::AlignCenter);
}
else if(srcDirPathList.size()==2){
index=qAbs(index+1);
int i = index%srcDirPathList.size();
QString srcDirPath = srcDirPathList.at(i);
QImage image(srcDirPath);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
origin_path=srcDirPath;
QImage images1=ImageCenter(image,ui->label_other);
ui->label_other->setPixmap(QPixmap::fromImage(images1));
ui->label_other->setAlignment(Qt::AlignCenter);
//状态栏显示图片路径
QLabel *label=ui->statusBar->findChild<QLabel *>("status");
label->setText(srcDirPath);
QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size());
QImage image1(src1);
QImage Image1 = ImageCenter(image1,ui->label_other_1);
ui->label_other_1->setPixmap(QPixmap::fromImage(Image1));
ui->label_other_1->setAlignment(Qt::AlignCenter);
}
}
//保存
void MainWindow::on_action_Save_triggered()
{
if(ui->checkBox->isChecked()){//要加水印
if(ui->label_show->pixmap()!=nullptr){
QImage image2(ui->label_show->pixmap()->toImage());
QImage simage("E:/Qt/qtworks/MainWindow/images/name1.png");
int swidth = simage.width();
int sheight = simage.height();
int r,b,g;
for(int i=0; i<sheight; ++i) {
for(int j=0; j<swidth; ++j) {
QColor oldcolor2=QColor(simage.pixel(j,i));
r=oldcolor2.red();
b=oldcolor2.blue();
g=oldcolor2.green();
if(r==0&&b==0&&g==0)
{
image2.setPixelColor(j,i,qRgb(0,0,0));
}else
{
//image.setPixelColor(j,i,qRgb(red,blue,green));
}
}
}
QString filename = QFileDialog::getSaveFileName(this,
tr("保存图片"),
"E:/Qtworks/MainWindow/images/signed_images.png",
tr("*.png;; *.jpg;; *.bmp;; *.tif;; *.GIF")); //选择路径
if (filename.isEmpty())
{
return;
}
else
{
if (!(image2.save(filename))) //保存图像
{
QMessageBox::information(this,
tr("图片保存成功！"),
tr("图片保存失败！"));
return;
}
ui->statusBar->showMessage("图片保存成功！");
}
}
else{
QMessageBox::warning(nullptr, "提示", "请先打开图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
else //不加水印
{
if(ui->label_show->pixmap()!=nullptr){
QString filename = QFileDialog::getSaveFileName(this,
tr("保存图片"),
"E:/Qtworks/MainWindow/images/images.png",
tr("*.png;; *.jpg;; *.bmp;; *.tif;; *.GIF")); //选择路径
if (filename.isEmpty())
{
return;
}
else
{
if (!(ui->label_show->pixmap()->toImage().save(filename))) //保存图像
{
QMessageBox::information(this,
tr("图片保存成功！"),
tr("图片保存失败！"));
return;
}
ui->statusBar->showMessage("图片保存成功！");
}
}else{
QMessageBox::warning(nullptr, "提示", "请先打开图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
}
//灰度化
QImage MainWindow::gray(QImage image){
QImage newImage =image.convertToFormat(QImage::Format_ARGB32);
QColor oldColor;
for(int y = 0; y < newImage.height(); y++)
{
for(int x = 0; x < newImage.width(); x++)
{
oldColor = QColor(image.pixel(x,y));
int average = (oldColor.red() + oldColor.green() + oldColor.blue()) / 3;
newImage.setPixel(x, y, qRgb(average, average, average));
}
}
return newImage;
}
//灰度化
void MainWindow::on_pushButton_gray_clicked()
{
if(origin_path!=nullptr){
QImage image(origin_path);
QImage images=gray(image);
QImage Image=ImageCenter(images,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//均值滤波
QImage MainWindow::junzhi(QImage image){
int kernel [3][3] = {
{1,1,1},
{1,1,1},
{1,1,1}};
int sizeKernel = 3;
int sumKernel = 9;
QColor color;
for(int x = sizeKernel/2;x<image.width() - sizeKernel/2;x++)
{
for(int y= sizeKernel/2;y<image.height() - sizeKernel/2;y++)
{
int r = 0;
int g = 0;
int b = 0;
for(int i = -sizeKernel/2;i<=sizeKernel/2;i++)
{
for(int j = -sizeKernel/2;j<=sizeKernel/2;j++)
{
color = QColor(image.pixel(x+i,y+j));
r+=color.red()*kernel[sizeKernel/2+i][sizeKernel/2+j];
g+=color.green()*kernel[sizeKernel/2+i][sizeKernel/2+j];
b+=color.blue()*kernel[sizeKernel/2+i][sizeKernel/2+j];
}
}
r = qBound(0,r/sumKernel,255);
g = qBound(0,g/sumKernel,255);
b = qBound(0,b/sumKernel,255);
image.setPixel(x,y,qRgb( r,g,b));
}
}
return image;
}
//均值滤波
void MainWindow::on_pushButton_junzhi_clicked()
{
if(origin_path!=nullptr){
QImage image(origin_path);
image=junzhi(image);
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//翻译
void MainWindow::on_action_L_triggered()
{
QTranslator translator;
if(language){
translator.load("E:/Qt/qtworks/MainWindow/zh_tr.qm");
}
else
{
translator.load("E:/Qt/qtworks/MainWindow/en_tr.qm");
}
QApplication *qapp;
qapp->installTranslator(&translator);
language=!language;
ui->retranslateUi(this);//重新翻译刷新界面
}
//亮度调节
void MainWindow::on_horizontalSlider_valueChanged(int value)
{
if(origin_path!=nullptr){
QImage image(origin_path);
int red, green, blue;
int pixels = image.width() * image.height();
unsigned int *data = (unsigned int *)image.bits();
for (int i = 0; i < pixels; ++i)
{
red= qRed(data[i])+ value;
red = (red < 0x00) ? 0x00 : (red > 0xff) ? 0xff : red;
green= qGreen(data[i]) + value;
green = (green < 0x00) ? 0x00 : (green > 0xff) ? 0xff : green;
blue= qBlue(data[i]) + value;
blue = (blue < 0x00) ? 0x00 : (blue > 0xff) ? 0xff : blue ;
data[i] = qRgba(red, green, blue, qAlpha(data[i]));
}
QImage Image=ImageCenter(image,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
ui->label_light->setText(QString::number(value));
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//边缘检测
QImage MainWindow::bianyuan(QImage image){
QImage newImage =image.convertToFormat(QImage::Format_ARGB32);
QColor color0;
QColor color1;
QColor color2;
QColor color3;
int r = 0;
int g = 0;
int b = 0;
int rgb = 0;
int r1 = 0;
int g1 = 0;
int b1 = 0;
int rgb1 = 0;
int a = 0;
for( int y = 0; y < image.height() - 1; y++)
{
for(int x = 0; x < image.width() - 1; x++)
{
color0 = QColor ( image.pixel(x,y));
color1 = QColor ( image.pixel(x + 1,y));
color2 = QColor ( image.pixel(x,y + 1));
color3 = QColor ( image.pixel(x + 1,y + 1));
r = abs(color0.red() - color3.red());
g = abs(color0.green() - color3.green());
b = abs(color0.blue() - color3.blue());
rgb = r + g + b;
r1 = abs(color1.red() - color2.red());
g1= abs(color1.green() - color2.green());
b1 = abs(color1.blue() - color2.blue());
rgb1 = r1 + g1 + b1;
a = rgb + rgb1;
a = a>255?255:a;
newImage.setPixel(x,y,qRgb(a,a,a));
}
}
return newImage;
}
//边缘检测
void MainWindow::on_pushButton_junzhi_2_clicked()
{
if(origin_path!=nullptr){
QImage image(origin_path);
QImage newImage =bianyuan(image);
QImage Image=ImageCenter(newImage,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//原图+边缘滤波复合调用函数
QImage MainWindow::fuhe(QImage images){
QImage image2 =images.convertToFormat(QImage::Format_ARGB32);
QColor color0;
QColor color1;
QColor color2;
QColor color3;
int r = 0;
int g = 0;
int b = 0;
int rgb = 0;
int r1 = 0;
int g1 = 0;
int b1 = 0;
int rgb1 = 0;
int a = 0;
for( int y = 0; y < images.height() - 1; y++)
{
for(int x = 0; x < images.width() - 1; x++)
{
color0 = QColor ( images.pixel(x,y));
color1 = QColor ( images.pixel(x + 1,y));
color2 = QColor ( images.pixel(x,y + 1));
color3 = QColor ( images.pixel(x + 1,y + 1));
r = abs(color0.red() - color3.red());
g = abs(color0.green() - color3.green());
b = abs(color0.blue() - color3.blue());
rgb = r + g + b;
r1 = abs(color1.red() - color2.red());
g1= abs(color1.green() - color2.green());
b1 = abs(color1.blue() - color2.blue());
rgb1 = r1 + g1 + b1;
a = rgb + rgb1;
a = a>255?255:a;
image2.setPixel(x,y,qRgb(a,a,a));
}
}
QImage image(origin_path);
int red, green, blue;
int red2,green2,blue2;
int pixels = image.width() * image.height();
unsigned int *data = (unsigned int *)image.bits();
unsigned int *data2 = (unsigned int *)image2.bits();
for (int i = 0; i < pixels; ++i)
{
red= qRed(data[i]);
red2=qRed(data2[i])*0.5+red*0.5;
red2 = (red2 < 0x00) ? 0x00 : (red2 > 0xff) ? 0xff : red2;
green= qGreen(data[i]);
green2= qGreen(data2[i])*0.5+green*0.5;
green2 = (green2 < 0x00) ? 0x00 : (green2 > 0xff) ? 0xff : green2;
blue= qBlue(data[i]);
blue2= qBlue(data2[i])*0.5+blue*0.5;
blue2 = (blue2 < 0x00) ? 0x00 : (blue2 > 0xff) ? 0xff : blue2 ;
data2[i] = qRgba(red2, green2, blue2, qAlpha(data2[i]));
}
return image2;
}
//边缘检测+原图复合
void MainWindow::on_pushButton_junzhi_3_clicked()
{
if(origin_path!=nullptr){
QImage images(origin_path);
QImage image2 =fuhe(images);
QImage Image=ImageCenter(image2,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//更改比例
void MainWindow::on_horizontalSlider_2_valueChanged(int value1)
{
float value=(float)value1/100;
if(origin_path!=nullptr){
QImage images(origin_path);
QImage image2 =images.convertToFormat(QImage::Format_ARGB32);
QColor color0;
QColor color1;
QColor color2;
QColor color3;
int r = 0;
int g = 0;
int b = 0;
int rgb = 0;
int r1 = 0;
int g1 = 0;
int b1 = 0;
int rgb1 = 0;
int a = 0;
for( int y = 0; y < images.height() - 1; y++)
{
for(int x = 0; x < images.width() - 1; x++)
{
color0 = QColor ( images.pixel(x,y));
color1 = QColor ( images.pixel(x + 1,y));
color2 = QColor ( images.pixel(x,y + 1));
color3 = QColor ( images.pixel(x + 1,y + 1));
r = abs(color0.red() - color3.red());
g = abs(color0.green() - color3.green());
b = abs(color0.blue() - color3.blue());
rgb = r + g + b;
r1 = abs(color1.red() - color2.red());
g1= abs(color1.green() - color2.green());
b1 = abs(color1.blue() - color2.blue());
rgb1 = r1 + g1 + b1;
a = rgb + rgb1;
a = a>255?255:a;
image2.setPixel(x,y,qRgb(a,a,a));
}
}
QImage image(origin_path);
// QImage image2(label->pixmap()->toImage());
int red, green, blue;
int red2,green2,blue2;
int pixels = image.width() * image.height();
unsigned int *data = (unsigned int *)image.bits();
unsigned int *data2 = (unsigned int *)image2.bits();
for (int i = 0; i < pixels; ++i)
{
red= qRed(data[i]);
red2=qRed(data2[i])*value+red*(1-value);
red2 = (red2 < 0x00) ? 0x00 : (red2 > 0xff) ? 0xff : red2;
green= qGreen(data[i]);
green2= qGreen(data2[i])*value+green*(1-value);
green2 = (green2 < 0x00) ? 0x00 : (green2 > 0xff) ? 0xff : green2;
blue= qBlue(data[i]);
blue2= qBlue(data2[i])*value+blue*(1-value);
blue2 = (blue2 < 0x00) ? 0x00 : (blue2 > 0xff) ? 0xff : blue2 ;
data2[i] = qRgba(red2, green2, blue2, qAlpha(data2[i]));
}
QImage Image=ImageCenter(image2,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
ui->label_fuhe->setText(QString::number(value).append(":").append(QString::number(1-value)));
}
else{
QMessageBox::warning(nullptr, "提示", "请先选择一张图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//保存
void MainWindow::on_pushButton_save_clicked()
{
if(ui->checkBox->isChecked()){//要加水印
if(ui->label_show->pixmap()!=nullptr){
QImage image2(ui->label_show->pixmap()->toImage());
QImage simage("E:/Qt/qtworks/MainWindow/images/name1.png");
int swidth = simage.width();
int sheight = simage.height();
int r,b,g;
for(int i=0; i<sheight; ++i) {
for(int j=0; j<swidth; ++j) {
QColor oldcolor2=QColor(simage.pixel(j,i));
r=oldcolor2.red();
b=oldcolor2.blue();
g=oldcolor2.green();
if(r==0&&b==0&&g==0)
{
image2.setPixelColor(j,i,qRgb(0,0,0));
}else
{
//image.setPixelColor(j,i,qRgb(red,blue,green));
}
}
}
QString filename = QFileDialog::getSaveFileName(this,
tr("保存图片"),
"E:/Qtworks/MainWindow/images/signed_images.png",
tr("*.png;; *.jpg;; *.bmp;; *.tif;; *.GIF")); //选择路径
if (filename.isEmpty())
{
return;
}
else
{
if (!(image2.save(filename))) //保存图像
{
QMessageBox::information(this,
tr("图片保存成功！"),
tr("图片保存失败！"));
return;
}
ui->statusBar->showMessage("图片保存成功！");
}
}
else{
QMessageBox::warning(nullptr, "提示", "请先打开图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
else //不加水印
{
if(ui->label_show->pixmap()!=nullptr){
QString filename = QFileDialog::getSaveFileName(this,
tr("保存图片"),
"E:/Qtworks/MainWindow/images",
tr("*.png;; *.jpg;; *.bmp;; *.tif;; *.GIF")); //选择路径
if (filename.isEmpty())
{
return;
}
else
{
if (!(ui->label_show->pixmap()->toImage().save(filename))) //保存图像
{
QMessageBox::information(this,
tr("图片保存成功！"),
tr("图片保存失败！"));
return;
}
ui->statusBar->showMessage("图片保存成功！");
}
}else{
QMessageBox::warning(nullptr, "提示", "请先打开图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
}
//改变R值滑动条
void MainWindow::on_horizontalSlider_R_valueChanged(int value)
{
if(ui->label_show->pixmap()!=nullptr){
int value_r=value;
int value_g=ui->horizontalSlider_G->value();
int value_b=ui->horizontalSlider_B->value();
QImage image(origin_path);
QImage images=setRGB(image,value_r,value_g,value_b);
QImage Image=ImageCenter(images,ui->label_show);
ui->label_show->setPixmap(QPixmap::fromImage(Image));
ui->label_show->setAlignment(Qt::AlignCenter);
}else{
QMessageBox::warning(nullptr, "提示", "请先打开图片！", QMessageBox::Yes | QMessageBox::Yes);
}
}
//调整rgb函数调用
QImage MainWindow::setRGB(QImage image,int value_r, int value_g, int value_b){