117 lines
2.3 KiB
C++
Executable File
117 lines
2.3 KiB
C++
Executable File
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#include "lts_image_editor.h"
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#include <QPainter>
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#include <QPaintEvent>
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#include <QBrush>
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#include <QPen>
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#include <QRect>
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#include <QEvent>
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using namespace LtsWidgets;
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LtsImageEditor::LtsImageEditor(QWidget *parent)
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: QWidget(parent)
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, m_isHovered(false)
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, m_menuEnabled(true)
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, m_bDrawOuterRect(true)
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{}
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void LtsImageEditor::setPixmap(const QPixmap &pixmap)
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{
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if (pixmap.isNull())
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m_pixmap = QPixmap(QStringLiteral(":style/noimage.png"));
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else
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m_pixmap = pixmap;
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update();
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emit imageChanged();
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}
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void LtsImageEditor::enterEvent(QEvent *)
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{
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m_isHovered = true;
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update();
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}
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void LtsImageEditor::leaveEvent(QEvent *)
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{
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m_isHovered = false;
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update();
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}
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bool LtsImageEditor::event(QEvent *event)
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{
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if (event->type() == QEvent::MouseButtonPress && m_menuEnabled)
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{
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emit signalClicked();
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event->accept();
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m_isHovered = false;
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update();
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return true;
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}
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return QWidget::event(event);
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}
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void LtsImageEditor::paintEvent(QPaintEvent* event)
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{
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QPainter p(this);
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p.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
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QBrush brush = QColor(QStringLiteral("white"));
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if (!m_pixmap.isNull())
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{
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if (!(m_isHovered && m_menuEnabled))
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{
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const QSize s(size());
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const QPixmap pixmap(m_pixmap.scaled(s, Qt::KeepAspectRatio, Qt::SmoothTransformation));
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const int x = qRound((s.width() - pixmap.width()) / 2.);
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const int y = qRound((s.height() - pixmap.height()) / 2.);
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if (m_bDrawOuterRect)
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{
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p.setPen(QPen(QColor("gray"), 2));
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p.drawRect(rect());
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}
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p.drawPixmap(x, y, pixmap);
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event->accept();
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return;
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}
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}
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p.setPen(QPen(QColor("gray"), 2));
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p.setBrush(brush);
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p.drawRect(rect());
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if (m_isHovered && m_menuEnabled)
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{
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p.setPen(QPen(QColor(QStringLiteral("gray")), (size().height() / 48 * 2)));
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double xc = size().width()/2.012;
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double yc = size().height()/2.012;
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p.drawLine(QPointF(xc - (xc/2.01f), yc - (yc/3.01f)), QPointF(xc + (xc/2.02f), yc - (yc/3.02f)));
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p.drawLine(QPointF(xc - (xc/2.01f), yc - 0.01f), QPointF(xc + (xc/2.02f), yc - 0));
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p.drawLine(QPointF(xc - (xc/2.01f), yc + (yc/3.01f)), QPointF(xc + (xc/2.02f), yc + (yc/3.02f)));
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}
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event->accept();
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}
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