彻底改版2.0

netfriend/imagecropper/example/mainwindow.cpp

@@ -0,0 +1,62 @@
+#include "mainwindow.h"
+#include "imagecropperdemo.h"
+
+#include "../base/imagecropperdialog.h"
+
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QFileDialog>
+
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    setupLayout();
+}
+
+MainWindow::~MainWindow()
+{
+}
+
+void MainWindow::setupLayout() {
+    QWidget* centralWidget = new QWidget(this);
+
+    btnCustomCrop = new QPushButton("Custom Crop", centralWidget);
+    btnSimpleCrop = new QPushButton("Simple Crop", centralWidget);
+
+    QVBoxLayout* mainLayout = new QVBoxLayout(centralWidget);
+    mainLayout->addWidget(btnCustomCrop);
+    mainLayout->addWidget(btnSimpleCrop);
+    this->setCentralWidget(centralWidget);
+
+    connect(btnCustomCrop, &QPushButton::clicked, this, &MainWindow::onCustomCrop);
+    connect(btnSimpleCrop, &QPushButton::clicked, this, &MainWindow::onSimpleCrop);
+}
+
+void MainWindow::onCustomCrop() {
+    ImageCropperDemo* dialog = new ImageCropperDemo(this);
+    dialog->show();
+}
+
+void MainWindow::onSimpleCrop() {
+    QMessageBox::information(this, "Prompt", "Please select a picture", QMessageBox::Ok);
+    QString filename = QFileDialog::getOpenFileName(this, "Select image", "", "image (*.png *.jpg)");
+    if (filename.isNull())
+        return;
+
+    //                                   *********
+    //                                    *******
+    //                                     *****
+    //                                      ***
+    //                                       *
+    QPixmap image = ImageCropperDialog::getCroppedImage(filename, 600, 400, CropperShape::CIRCLE);
+    if (image.isNull())
+        return;
+
+    QDialog* dialog = new QDialog(0);
+    dialog->setAttribute(Qt::WA_DeleteOnClose, true);
+    QLabel* label = new QLabel(dialog);
+    label->setFixedSize(image.size());
+    label->setPixmap(image);
+    dialog->exec();
+}