Continues migration with DDS, Common
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#include "lts_picture_editing.h"
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#include "ui_lts_picture_editing.h"
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#include "lts_picture_view.h"
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#include <QFileDialog>
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#include <QPixmap>
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#include <QMessageBox>
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#include <QImage>
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#include <QGraphicsPixmapItem>
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#include <QDebug>
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#include <QTimer>
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LtsPictureEditing::LtsPictureEditing(QWidget *parent)
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: QMainWindow(parent)
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, m_gvPicture(nullptr)
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, m_ui(new Ui::PictureEditing)
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{
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m_ui->setupUi(this);
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connect(m_ui->actionOpen, &QAction::triggered, this, &LtsPictureEditing::onOpenImage);
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connect(m_ui->actionSave, &QAction::triggered, this, &LtsPictureEditing::onSavePicture);
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connect(m_ui->actionQuit, &QAction::triggered, this, &LtsPictureEditing::close);
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connect(m_ui->pbSetSize, &QPushButton::clicked, this, &LtsPictureEditing::onSetSize);
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connect(m_ui->sbHeight, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onRatioChanged);
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connect(m_ui->sbWidth, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onRatioChanged);
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connect(m_ui->chbRatio, &QPushButton::clicked, this, &LtsPictureEditing::onRatioClicked);
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connect(m_ui->sbXMin, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onLeftChanged);
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connect(m_ui->sbXMax, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onRightChanged);
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connect(m_ui->sbYMin, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onTopChanged);
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connect(m_ui->sbYMax, QOverload<int>::of(&QSpinBox::valueChanged), this, &LtsPictureEditing::onBottomChanged);
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addViewToFrame();
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connect(this, &LtsPictureEditing::leftChanged, m_gvPicture, &LtsWidgets::LtsPictureView::leftChanged);
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connect(this, &LtsPictureEditing::rightChanged, m_gvPicture, &LtsWidgets::LtsPictureView::rightChanged);
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connect(this, &LtsPictureEditing::topChanged, m_gvPicture, &LtsWidgets::LtsPictureView::topChanged);
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connect(this, &LtsPictureEditing::bottomChanged, m_gvPicture, &LtsWidgets::LtsPictureView::bottomChanged);
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connect(this, &LtsPictureEditing::setAspectRatio, m_gvPicture, &LtsWidgets::LtsPictureView::setAspectRatio);
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connect(this, &LtsPictureEditing::ratioClicked, m_gvPicture, &LtsWidgets::LtsPictureView::ratioClicked);
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connect(m_gvPicture, &LtsWidgets::LtsPictureView::mouseMoved, this, &LtsPictureEditing::setSpinboxValues);
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connect(m_gvPicture, &LtsWidgets::LtsPictureView::setLimits, this, &LtsPictureEditing::setSpinboxLimits);
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connect(this, &LtsPictureEditing::setPicture, m_gvPicture, &LtsWidgets::LtsPictureView::setPicture);
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onRatioChanged();
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}
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LtsPictureEditing::~LtsPictureEditing()
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{
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delete m_ui;
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}
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void LtsPictureEditing::addViewToFrame()
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{
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QHBoxLayout *layout(new QHBoxLayout(m_ui->frPicFrame));
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m_gvPicture = new LtsWidgets::LtsPictureView(m_ui->frPicFrame);
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layout->addWidget(m_gvPicture);
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m_gvPicture->setEnabled(false);
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}
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void LtsPictureEditing::onOpenImage()
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{
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const QStringList filter ({
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tr("Images (*.jpg *.jpeg *.png)")
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});
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open Image"),
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QStringLiteral("../picture_editing"),
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filter.join(QStringLiteral(";;")));
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if (fileName.isEmpty())
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return;
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QFileInfo fi(fileName);
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if (!fi.isReadable())
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{
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QMessageBox::warning(this, tr("Error!"), tr("An error occurred while loading the file.\n"
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"The loaded file is not readable."));
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return;
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}
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QImage pic;
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pic.load(fileName);
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if (pic.isNull())
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{
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QMessageBox::warning(this, tr("Error!"), tr("An error occurred while loading the file.\n"
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"The loaded file is no picture file.\n"
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"Please load *.jpg, *.jpeg, *.png files only."));
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return;
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}
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m_image = pic;
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emit setPicture(pic, QPoint(0, 0), true);
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m_gvPicture->setEnabled(true);
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m_gvPicture->newRubberBand();
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}
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void LtsPictureEditing::onSetSize()
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{
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if (m_image.isNull())
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return;
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m_gvPicture->hideRubberband();
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int xMin = m_ui->sbXMin->value() - 1;
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int yMin = m_ui->sbYMin->value() - 1;
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int xMax = m_ui->sbXMax->value() - 1;
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int yMax = m_ui->sbYMax->value() - 1;
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if (xMax < xMin || yMax < yMin || xMax == xMin || yMax == yMin)
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{
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clear();
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return;
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}
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QRect picRect(xMin,
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yMin,
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xMax - xMin,
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yMax - yMin);
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QImage newPic = m_image.copy(picRect);
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emit setPicture(newPic, QPoint(xMin, yMin), false);
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}
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void LtsPictureEditing::onSavePicture()
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{
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if (m_gvPicture->getImage()->pixmap().isNull())
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{
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QMessageBox::warning(this, tr("Error!"), tr("An error occurred while saving the picture\n"
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"Please load a picture before saving it."));
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return;
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}
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else
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{
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QString filename = QFileDialog::getSaveFileName(this, tr("Open Image"), QLatin1String("../picture_editing"),
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tr("Images (*.jpg *.jpeg *.png)"));
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if (filename.isEmpty())
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{
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QMessageBox::warning(this, tr("Error!"), tr("An error occurred while saving the picture.\n"
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"Please choose a valid path to save the picture."));
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return;
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}
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m_gvPicture->getImage()->pixmap().save(filename, "PNG");
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}
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}
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void LtsPictureEditing::setSpinboxLimits(const QSize &picSize, bool setValues)
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{
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m_ui->sbXMin->setMaximum(picSize.width());
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m_ui->sbXMax->setMaximum(picSize.width());
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m_ui->sbYMin->setMaximum(picSize.height());
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m_ui->sbYMax->setMaximum(picSize.height());
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if (setValues)
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{
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m_ui->sbXMin->setValue(0);
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m_ui->sbYMin->setValue(0);
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m_ui->sbXMax->setValue(picSize.width() - 1);
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m_ui->sbYMax->setValue(picSize.height() - 1);
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}
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}
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void LtsPictureEditing::setSpinboxValues(const QRect &picRect)
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{
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m_ui->sbXMin->setValue(picRect.left());
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m_ui->sbYMin->setValue(picRect.top());
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m_ui->sbXMax->setValue(picRect.right());
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m_ui->sbYMax->setValue(picRect.bottom());
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}
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void LtsPictureEditing::onRatioChanged()
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{
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double ratio = double(m_ui->sbWidth->value()) / double(m_ui->sbHeight->value());
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emit setAspectRatio(ratio);
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}
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void LtsPictureEditing::onRatioClicked()
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{
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if (m_ui->chbRatio->isChecked())
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{
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m_ui->sbHeight->setEnabled(true);
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m_ui->sbWidth->setEnabled(true);
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emit ratioClicked(true);
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}
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else
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{
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m_ui->sbHeight->setEnabled(false);
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m_ui->sbWidth->setEnabled(false);
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emit ratioClicked(false);
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}
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}
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void LtsPictureEditing::onLeftChanged(int left)
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{
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emit leftChanged(left);
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}
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void LtsPictureEditing::onRightChanged(int right)
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{
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emit rightChanged(right);
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}
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void LtsPictureEditing::onTopChanged(int top)
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{
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emit topChanged(top);
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}
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void LtsPictureEditing::onBottomChanged(int bottom)
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{
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emit bottomChanged(bottom);
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}
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void LtsPictureEditing::clear()
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{
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emit setPicture(QImage(), QPoint(), false);
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}
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