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/*
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
**/
#include "prescene.h"
#include <QPainter>
#include <QPainterPath>
#include <QSvgRenderer>
#include <QApplication>
extern void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed);
PreScene::PreScene(QLabel *label, QSize size, QWidget *parent) : QWidget(parent), m_size(size)
, titleLabel(label)
{
this->setFixedSize(m_size);
this->setObjectName("prescene");
this->setStyleSheet("PreScene#prescene{background: palette(base); border-radius: 6px;}");
titleLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
m_vlayout = new QVBoxLayout;
m_logoLayout = new QHBoxLayout;
mTitleIcon = new QLabel(this);
mTitleIcon->setFixedSize(24, 24);
QIcon titleIcon = QIcon::fromTheme("ukui-control-center");
mTitleIcon->setPixmap(titleIcon.pixmap(titleIcon.actualSize(QSize(24, 24))));
titlebar = new QWidget(this);
logoLabel = new QLabel(this);
logoLabel->setFixedSize(200, 200);
logoLabel->setPixmap(loadSvg(":/img/titlebar/ukui-control-center.svg"));
m_logoLayout->setContentsMargins(70, 160, 0, 0);
m_logoLayout->addWidget(logoLabel);
m_hlayout = new QHBoxLayout;
m_hlayout->setSpacing(0);
m_hlayout->setContentsMargins(8, 8, 4, 0);
m_hlayout->addWidget(mTitleIcon);
m_hlayout->addSpacing(8);
m_hlayout->addWidget(titleLabel);
m_hlayout->addStretch();
titlebar->setLayout(m_hlayout);
m_vlayout->setSpacing(0);
m_vlayout->setContentsMargins(0, 0, 0, 0);
m_vlayout->addWidget(titlebar);
m_vlayout->addLayout(m_logoLayout);
m_vlayout->addStretch();
this->setLayout(m_vlayout);
}
const QPixmap PreScene::loadSvg(const QString &fileName)
{
int size = 128;
const auto ratio = qApp->devicePixelRatio();
size *= ratio;
QPixmap pixmap(size, size);
QSvgRenderer renderer(fileName);
pixmap.fill(Qt::transparent);
QPainter painter;
painter.begin(&pixmap);
renderer.render(&painter);
painter.end();
pixmap.setDevicePixelRatio(ratio);
QImage img = pixmap.toImage();
return QPixmap::fromImage(img);
}
PreScene::~PreScene() {
}
void PreScene::paintEvent(QPaintEvent *event) {
Q_UNUSED(event);
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
QPainterPath rectPath;
rectPath.addRoundedRect(this->rect().adjusted(1, 1, -1, -1), 6, 6);
// 画一个黑底
QPixmap pixmap(this->rect().size());
pixmap.fill(Qt::transparent);
QPainter pixmapPainter(&pixmap);
pixmapPainter.setRenderHint(QPainter::Antialiasing);
pixmapPainter.setPen(Qt::transparent);
pixmapPainter.setBrush(Qt::black);
pixmapPainter.setOpacity(0.65);
pixmapPainter.drawPath(rectPath);
pixmapPainter.end();
// 模糊这个黑底
QImage img = pixmap.toImage();
qt_blurImage(img, 5, false, false);
// 挖掉中心
pixmap = QPixmap::fromImage(img);
QPainter pixmapPainter2(&pixmap);
pixmapPainter2.setRenderHint(QPainter::Antialiasing);
pixmapPainter2.setCompositionMode(QPainter::CompositionMode_Clear);
pixmapPainter2.setPen(Qt::transparent);
pixmapPainter2.setBrush(Qt::transparent);
pixmapPainter2.drawPath(rectPath);
// 绘制阴影
p.drawPixmap(this->rect(), pixmap, pixmap.rect());
// 绘制一个背景
p.save();
p.fillPath(rectPath,palette().color(QPalette::Base));
// p.fillPath(rectPath,QColor(0,0,0));
p.restore();
}
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