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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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47
src/image_show.cpp
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@ -1,16 +1,19 @@
#include "image_show.h"
#include <QScreen> // Qt5 不再建议使用 QDesktopWidget
#include <QHBoxLayout>
#include <QDebug>
#include <QPainter>
#include <DDialog>
#include <DBlurEffectWidget>
#include <DWidgetUtil>
#include <DApplication>
#include <QDesktopWidget>
DWIDGET_USE_NAMESPACE
image_show::image_show(QWidget *parent) : QWidget(parent)
{
QHBoxLayout *layout=new QHBoxLayout;
QHBoxLayout *layout = new QHBoxLayout;
layout->addWidget(m_label);
setLayout(layout);
m_label->setText("layout");
@ -19,17 +22,23 @@ image_show::image_show(QWidget *parent) : QWidget(parent)
void image_show::setImage(QPixmap image)
{
QImage screen0;
screen0=image.toImage();
// QPainter painter(&screen0);
screen0 = image.toImage();
// QPainter painter(&screen0);
QImage re_screen1;
QImage re_screen0=screen0.scaled(QSize(400,300),Qt::KeepAspectRatio,Qt::SmoothTransformation);
desktop_w=DApplication::desktop()->width();
desktop_h=DApplication::desktop()->height();
if(screen0.width()>(desktop_w-20) || screen0.height()>(desktop_h-20)){
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;
QImage re_screen0 = screen0.scaled(QSize(400, 300), Qt::KeepAspectRatio, Qt::SmoothTransformation);
// 获取主屏幕尺寸
desktop_w = DApplication::primaryScreen()->geometry().width();
desktop_h = DApplication::primaryScreen()->geometry().height();
if(screen0.width() > (desktop_w - 20) || screen0.height() > (desktop_h - 20))
{
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));
@ -37,10 +46,12 @@ void image_show::setImage(QPixmap image)
void image_show::mousePressEvent(QMouseEvent *)
{
m_dialog->setimage(m_image);
m_dialog->showFullScreen();
m_dialog->setFixedSize(desktop_w,desktop_h);
m_dialog->move(0,0);/*
moveToCenter(m_dialog);*/
m_dialog->setimage(m_image);
m_dialog->showFullScreen();
// 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);
}