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忘记、过去
2020-12-17 00:18:10 +08:00
parent 58f32c119a
commit 3101f1fe70
1 changed files with 29 additions and 18 deletions
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43
src/image_show.cpp
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@@ -1,16 +1,19 @@
#include "image_show.h" #include "image_show.h"
#include <QScreen> // Qt5 不再建议使用 QDesktopWidget
#include <QHBoxLayout> #include <QHBoxLayout>
#include <QDebug>
#include <QPainter> #include <QPainter>
#include <DDialog> #include <DDialog>
#include <DBlurEffectWidget> #include <DBlurEffectWidget>
#include <DWidgetUtil> #include <DWidgetUtil>
#include <DApplication> #include <DApplication>
#include <QDesktopWidget>
DWIDGET_USE_NAMESPACE DWIDGET_USE_NAMESPACE
image_show::image_show(QWidget *parent) : QWidget(parent) image_show::image_show(QWidget *parent) : QWidget(parent)
{ {
QHBoxLayout *layout=new QHBoxLayout; QHBoxLayout *layout = new QHBoxLayout;
layout->addWidget(m_label); layout->addWidget(m_label);
setLayout(layout); setLayout(layout);
m_label->setText("layout"); m_label->setText("layout");
@@ -19,17 +22,23 @@ image_show::image_show(QWidget *parent) : QWidget(parent)
void image_show::setImage(QPixmap image) void image_show::setImage(QPixmap image)
{ {
QImage screen0; QImage screen0;
screen0=image.toImage(); screen0 = image.toImage();
// QPainter painter(&screen0); // QPainter painter(&screen0);
QImage re_screen1; QImage re_screen1;
QImage re_screen0=screen0.scaled(QSize(400,300),Qt::KeepAspectRatio,Qt::SmoothTransformation); QImage re_screen0 = screen0.scaled(QSize(400, 300), Qt::KeepAspectRatio, Qt::SmoothTransformation);
desktop_w=DApplication::desktop()->width();
desktop_h=DApplication::desktop()->height(); // 获取主屏幕尺寸
if(screen0.width()>(desktop_w-20) || screen0.height()>(desktop_h-20)){ desktop_w = DApplication::primaryScreen()->geometry().width();
re_screen1=screen0.scaled(QSize(desktop_w-20,desktop_h-20),Qt::KeepAspectRatio,Qt::SmoothTransformation); desktop_h = DApplication::primaryScreen()->geometry().height();
m_image=QPixmap::fromImage(re_screen1);
}else { if(screen0.width() > (desktop_w - 20) || screen0.height() > (desktop_h - 20))
m_image=image; {
re_screen1 = screen0.scaled(QSize(desktop_w - 20, desktop_h - 20), Qt::KeepAspectRatio, Qt::SmoothTransformation);
m_image = QPixmap::fromImage(re_screen1);
}
else
{
m_image = image;
} }
m_label->setPixmap(QPixmap::fromImage(re_screen0)); m_label->setPixmap(QPixmap::fromImage(re_screen0));
@@ -39,8 +48,10 @@ void image_show::mousePressEvent(QMouseEvent *)
{ {
m_dialog->setimage(m_image); m_dialog->setimage(m_image);
m_dialog->showFullScreen(); m_dialog->showFullScreen();
m_dialog->setFixedSize(desktop_w,desktop_h);
m_dialog->move(0,0);/*
moveToCenter(m_dialog);*/
// 识别主屏幕尺寸并设置 widget 大小
m_dialog->setFixedSize(desktop_w, desktop_h);
m_dialog->move(0,0);
// moveToCenter(m_dialog);
} }