#include "mainwindow.h"
#include "ui_mainwindow.h"

#include <QImageReader>
#include <QDebug>
#include <QMimeData>
#include <QMouseEvent>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , m_filePath(R"(E:\16bit-raw-argb-affinityphoto.psd)")
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::dragEnterEvent(QDragEnterEvent *event)
{
    if (event->mimeData()->hasUrls()) {
        event->acceptProposedAction();
    } else {
        event->ignore();
    }

    return QMainWindow::dragEnterEvent(event);
}

void MainWindow::dropEvent(QDropEvent *event)
{
    event->acceptProposedAction();

    const QMimeData * mimeData = event->mimeData();

    if (mimeData->hasUrls()) {
        const QList<QUrl> &urls = mimeData->urls();
        if (!urls.isEmpty()) {
            m_filePath = urls.first().toLocalFile();
            ui->label->setText(m_filePath);
        }
    }
}

void MainWindow::on_pushButton_clicked()
{
    // 如果输出里有 psd 说明确实加载进去了
    qDebug() << QImageReader::supportedImageFormats();

    // 后面的文件改成 psd 文件的路径
    QScopedPointer< QImageReader> ir(new QImageReader(m_filePath));
    qDebug() << ir->canRead();
    QImage read = ir->read();
    if (read.isNull()) {
        qDebug() << "read is null";
    }
    ui->label->setPixmap(QPixmap::fromImage(read));
}