ImageDeal.zip

#include "widget.h" #include <QHBoxLayout> #include <QFileDialog> #include <qdebug.h> #include <mylabel.h> #include "controlwgt.h" #include <QGuiApplication> #include <QScreen> #include <QApplication> #include <QDesktopWidget> Widget::Widget(QWidget *parent) : QWidget(parent) { Init(); } Widget::~Widget() { } void Widget::Init() { CreateToolWgt(); m_pImageLabel=new QLabel(this); m_pImageLabel->setStyleSheet("background:white"); QVBoxLayout *mainLayout=new QVBoxLayout(this); mainLayout->addWidget(m_pToolWgt); mainLayout->addWidget(m_pImageLabel); mainLayout->setSpacing(0); mainLayout->setMargin(0); this->setLayout(mainLayout); this->resize(800,500); } void Widget::CreateToolWgt() { m_pOpenBtn=new QPushButton(tr("Open Image"),this); m_pOpenBtn->setFixedSize(80,37); m_pEditBoxBtn=new QPushButton(tr("Text Box"),this); m_pEditBoxBtn->setFixedSize(80,37); m_pSaveImage=new QPushButton(tr("Save Image"),this); m_pSaveImage->setFixedSize(80,37); m_pToolWgt=new QWidget(this); QHBoxLayout *toolLayout=new QHBoxLayout(this); toolLayout->addWidget(m_pOpenBtn); toolLayout->addWidget(m_pEditBoxBtn); toolLayout->addWidget(m_pSaveImage); toolLayout->addStretch(); toolLayout->setMargin(0); toolLayout->setSpacing(5); m_pToolWgt->setLayout(toolLayout); m_pToolWgt->setFixedHeight(50); connect(m_pOpenBtn,&QPushButton::clicked,this,&Widget::onOpenClicked); connect(m_pEditBoxBtn,&QPushButton::clicked,this,&Widget::onEditBoxClicked); connect(m_pSaveImage,&QPushButton::clicked,this,&Widget::onSaveImage); } void Widget::closeEvent(QCloseEvent *event) { } void Widget::onOpenClicked() { QString strPath=QFileDialog::getOpenFileName(this,"","","JPG(*.jpg);;PNG(*.png)"); QPixmap pixMap(strPath); m_pImageLabel->setPixmap(pixMap); } void Widget::onEditBoxClicked() { QPoint globalPos = this->mapToGlobal(QPoint(0,0));//父窗口绝对坐标 int x = globalPos.x() + (this->width() - this->width()) / 2;//x坐标 int y = globalPos.y() + (this->height() - this->height()+100) / 2;//y坐标 myLabel *textLabel=new myLabel(this); textLabel->move(x,y); controlWgt *m_pControlWgt=new controlWgt(this); m_pControlWgt->move(this->width(),this->height()/2); textLabel->show(); m_pControlWgt->show(); connect(m_pControlWgt,&controlWgt::sSendTextFont,textLabel,&myLabel::ReceiverTextFont); connect(m_pControlWgt,&controlWgt::sSendText,textLabel,&myLabel::ReceiverText); connect(m_pControlWgt,&controlWgt::sSendOk,textLabel,&myLabel::ReceiverOK); connect(textLabel,&myLabel::sSendMessage,this,&Widget::ReceiverMessage); } void Widget::ReceiverMessage(QString i_text, QString i_fraimly, int i_size) { controlWgt *m_pControlWgt=new controlWgt(this); m_pControlWgt->move(this->width(),this->height()/2); m_pControlWgt->SetText(i_text); m_pControlWgt->SetFamily(i_fraimly); m_pControlWgt->SetFontSize(i_size); m_pControlWgt->show(); } void Widget::onSaveImage() { QString strPath = QDir::currentPath(); QRect rect =QRect(this->pos().x(), this->pos().y()+160, this->width(), this->height()); QString strFileName = "Data"; strFileName = strPath + "/" + strFileName; strFileName += ".png"; QScreen *screen = QGuiApplication::primaryScreen(); screen->grabWindow(QApplication::desktop()->winId(), rect.x(), rect.y(), rect.width(), rect.height()).save(strFileName, "png"); }