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fix: 多显示器大图显示居中

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This commit is contained in:
uniartisan 2023-03-09 00:15:28 +08:00
parent 4bdcb2cf3c
commit 6d65b445dd
2 changed files with 13 additions and 8 deletions
.vscode
settings.json
src/backend
image_show.cpp

5
.vscode/settings.json vendored Normal file

@ -0,0 +1,5 @@
{
"files.associations": {
"system_error": "cpp"
}
}

16
src/backend/image_show.cpp

@ -22,13 +22,13 @@ void image_show::setImage(QPixmap image)
QImage re_screen1;
QImage re_screen0 = screen0.scaled(QSize(400, 300), Qt::KeepAspectRatio, Qt::SmoothTransformation);
// 获取主屏幕尺寸
desktop_w = QGuiApplication::primaryScreen()->geometry().width();
desktop_h = QGuiApplication::primaryScreen()->geometry().height();
// 获取当前app所在的主屏幕尺寸
desktop_w = QGuiApplication::screenAt(QCursor().pos())->geometry().width();
desktop_h = QGuiApplication::screenAt(QCursor().pos())->geometry().height();
if (screen0.width() > (desktop_w - 20) || screen0.height() > (desktop_h - 20))
if (screen0.width() > int(desktop_w / 3 * 2) || screen0.height() > int(desktop_h / 3 * 2))
{
re_screen1 = screen0.scaled(QSize(desktop_w - 20, desktop_h - 20), Qt::KeepAspectRatio, Qt::SmoothTransformation);
re_screen1 = screen0.scaled(QSize(int(desktop_w / 3 * 2), int(desktop_h / 3 * 2)), Qt::KeepAspectRatio, Qt::SmoothTransformation);
m_image = QPixmap::fromImage(re_screen1);
}
else
@ -42,12 +42,12 @@ void image_show::setImage(QPixmap image)
void image_show::mousePressEvent(QMouseEvent *)
{
m_dialog->setimage(m_image);
m_dialog->showFullScreen();
m_dialog->show();
// 识别主屏幕尺寸并设置 widget 大小
m_dialog->setFixedSize(desktop_w, desktop_h);
m_dialog->setFixedSize(qMin(desktop_w, m_image.width() + int(desktop_h / 16 * m_image.width() / m_image.height())), qMin(desktop_h, m_image.height() + int(desktop_h / 16)));
m_dialog->move(0, 0);
m_dialog->move(QGuiApplication::screenAt(QCursor().pos())->geometry().center() - m_dialog->rect().center());
}
image_show::~image_show()
{