ImageProcessorV1.1.rar

#include "mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { //各项菜单栏 fileMenu = new QMenu; zoomMenu = new QMenu; rotateMenu = new QMenu; mirrorMenu = new QMenu; showWidget = new ShowWidget; //文件菜单 openFileAction =new QAction; NewFileAction =new QAction; PrintTextAction =new QAction; PrintImageAction =new QAction; exitAction = new QAction; //缩放菜单 copyAction =new QAction; cutAction =new QAction; pasteAction =new QAction; aboutAction =new QAction; zoomInAction =new QAction; zoomOutAction=new QAction; //旋转菜单项 rotate90Action =new QAction; rotate180Action=new QAction; rotate270Action=new QAction; //镜像菜单项 mirrorVerticalAction =new QAction; mirrorHorizontalAction=new QAction; undoAction =new QAction; redoAction =new QAction; //工具栏 fileTool = new QToolBar; zoomTool = new QToolBar; rotateTool = new QToolBar; mirrorTool = new QToolBar; doToolBar = new QToolBar; setWindowTitle(tr("Easy Word")); //设置窗体标题 showWidget =new ShowWidget(this); //（a） setCentralWidget(showWidget); /*创建动作、菜单、工具栏的函数*/ createActions() ; createMenus(); createToolBars(); if(img.load(":/src/PKQ.png")) { //在 imageLabel 对象中放置图片 showWidget->imageLabel->setPixmap(QPixmap::fromImage(img)); } } MainWindow::~MainWindow() { } void MainWindow::createActions() { //“打开”动作 openFileAction =new QAction(QIcon(":/src/open.png"),tr("打开"),this); //(a) openFileAction->setShortcut (tr ("Ctrl+O")); //(b) openFileAction->setStatusTip(tr("打开一个文件 ")); //(c) connect(openFileAction,SIGNAL(triggered()),this,SLOT(ShowOpenFile())); //"新建“动作 NewFileAction =new QAction(QIcon(":/src/new.png"),tr("新建"),this); NewFileAction->setShortcut(tr("Ctrl+N")); NewFileAction->setStatusTip(tr("新建一个文件")); connect(NewFileAction, SIGNAL (triggered()) , this, SLOT (ShowNewFile())) ; // "退出“动作 exitAction =new QAction(tr("退出"),this); exitAction->setShortcut(tr("Ctrl+Q")); exitAction->setStatusTip(tr("退出程序")) ; connect (exitAction, SIGNAL (triggered()), this, SLOT (close())); // "复制”动作 copyAction =new QAction(QIcon(":/src/copy.png"),tr("复制"),this); copyAction->setShortcut(tr("Ctrl+C")); copyAction->setStatusTip(tr(" 复制文件")) ; connect(copyAction,SIGNAL( triggered ()), showWidget->text, SLOT(copy())); //"剪切“动作 cutAction =new QAction(QIcon(":/src/cut.png"),tr("剪切"),this); cutAction->setShortcut(tr("Ctrl+X")); cutAction->setStatusTip(tr("剪切文件")) ; connect(cutAction,SIGNAL( triggered ()), showWidget->text, SLOT (cut())); //"粘贴“动作 pasteAction =new QAction(QIcon(":/src/paste.png"),tr("粘贴"),this); pasteAction->setShortcut(tr("Ctrl+V")); pasteAction->setStatusTip(tr("粘贴文件")) ; connect(pasteAction,SIGNAL(triggered()),showWidget->text,SLOT (paste())); //"关于“动作 aboutAction =new QAction(tr("关于"),this); connect(aboutAction,SIGNAL(triggered()),this,SLOT(QApplication::aboutQt())); //"打印文本“动作 PrintTextAction =new QAction(QIcon(":/src/printText.png"),tr(" 打印文本"), this); PrintTextAction->setStatusTip(tr("打印一个文本")); connect (PrintTextAction, SIGNAL (triggered()), this, SLOT (ShowPrintText ())); //"打印图片“动作 PrintImageAction =new QAction(QIcon (":/src/printimage.png" ), tr("打印图片"), this); PrintImageAction->setStatusTip(tr("打印一幅图片")); connect(PrintImageAction, SIGNAL (triggered()), this, SLOT (ShowPrintImage())); //"放大“动作 zoomInAction =new QAction (QIcon(":/src/zoomin.png"),tr(" 放大 "),this); zoomInAction->setStatusTip(tr("放大一幅图片")); //"缩小“动作 zoomOutAction =new QAction(QIcon(":/src/zoomout.png"),tr("缩小 "),this); zoomOutAction->setStatusTip(tr("缩小一幅图片 ")); //实现图片旋转的动作 (Action) //旋转 90° rotate90Action =new QAction (QIcon (":/src/rotate90.png"), tr("旋转 90°") ,this); rotate90Action->setStatusTip(tr("将一幅图旋转90°")); //旋转180° rotate180Action =new QAction (QIcon(":/src/rotate180.png"), tr("旋转 180°"), this); rotate180Action->setStatusTip(tr("将一幅图旋转180°")); //旋转270° rotate270Action =new QAction(QIcon (":/src/rotate270.png"), tr("旋转 270°"), this); rotate270Action->setStatusTip(tr("将一幅图旋转 270°")); //实现图片镜像的动作（Action） //纵向镜像 mirrorVerticalAction =new QAction(QIcon(":/src/mirrorVertical.png"),tr("纵向镜像"), this); mirrorVerticalAction->setStatusTip(tr("对一幅图做纵向镜像")) ; //横向镜像 mirrorHorizontalAction =new QAction(QIcon(":/src/mirrorHorizontal.png"),tr("横向镜像 "),this); mirrorHorizontalAction->setStatusTip(tr("对一幅图做横向镜像")) ; //实现撤销和重做的动作（ACtion） //撤销和重做 undoAction =new QAction (QIcon(":/src/undo.png"),"撤销",this); connect(undoAction,SIGNAL(triggered()),showWidget->text,SLOT(undo())); redoAction =new QAction(QIcon(":/src/redo.png"),"重做",this); connect(redoAction, SIGNAL(triggered()),showWidget->text,SLOT(redo())); } void MainWindow::createMenus() { //文件菜单 fileMenu =menuBar()->addMenu(tr("文件")) ; fileMenu->addAction(openFileAction); fileMenu->addAction(NewFileAction); fileMenu->addAction(PrintTextAction); fileMenu->addAction(PrintImageAction); fileMenu->addSeparator(); fileMenu->addAction(exitAction); //缩放菜单 zoomMenu =menuBar()->addMenu(tr("编辑")) ; zoomMenu->addAction(copyAction); zoomMenu->addAction(cutAction); zoomMenu->addAction(pasteAction); zoomMenu->addAction(aboutAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInAction); zoomMenu->addAction(zoomOutAction); //旋转菜单 rotateMenu =menuBar ()->addMenu(tr("旋转")) ; rotateMenu->addAction(rotate90Action); rotateMenu->addAction(rotate180Action); rotateMenu->addAction(rotate270Action); //镜像菜单 mirrorMenu =menuBar()->addMenu(tr(" 镜像")) ; mirrorMenu->addAction(mirrorVerticalAction); mirrorMenu->addAction(mirrorHorizontalAction); } void MainWindow::createToolBars() { //文件工具条 fileTool =addToolBar("File"); fileTool->addAction(openFileAction); fileTool->addAction(NewFileAction); fileTool->addAction(PrintTextAction); fileTool->addAction(PrintImageAction); //编辑工具条 zoomTool =addToolBar("Edit"); zoomTool->addAction(copyAction); zoomTool->addAction(cutAction); zoomTool->addAction(pasteAction); zoomTool->addSeparator(); zoomTool->addAction(zoomInAction); zoomTool->addAction(zoomOutAction); //旋转工具条 rotateTool =addToolBar("rotate"); rotateTool->addAction(rotate90Action); rotateTool->addAction(rotate180Action); rotateTool->addAction(rotate270Action); //撤销和重做工具条 doToolBar =addToolBar("doEdit"); doToolBar->addAction(undoAction); doToolBar->addAction(redoAction); } void MainWindow::ShowNewFile() //新建文件的槽 { MainWindow *newMainWindow =new MainWindow; newMainWindow->show(); } void MainWindow::ShowOpenFile() //�