qt_demoe/videowidget/videowidget.cpp

926 lines
20 KiB
C++

#pragma execution_character_set("utf-8")
#include "videowidget.h"
#include "qfontdatabase.h"
#include "qpushbutton.h"
#include "qtreewidget.h"
#include "qlayout.h"
#include "qtimer.h"
#include "qdir.h"
#include "qpainter.h"
#include "qevent.h"
#include "qmimedata.h"
#include "qurl.h"
#include "qdebug.h"
VideoWidget::VideoWidget(QWidget *parent) : QWidget(parent)
{
//设置强焦点
setFocusPolicy(Qt::StrongFocus);
//设置支持拖放
setAcceptDrops(true);
//定时器校验视频
timerCheck = new QTimer(this);
timerCheck->setInterval(10 * 1000);
connect(timerCheck, SIGNAL(timeout()), this, SLOT(checkVideo()));
image = QImage();
copyImage = false;
checkLive = true;
drawImage = true;
fillImage = true;
flowEnable = false;
flowBgColor = "#000000";
flowPressColor = "#5EC7D9";
timeout = 20;
borderWidth = 5;
borderColor = "#000000";
focusColor = "#22A3A9";
bgText = "实时视频";
bgImage = QImage();
osd1Visible = false;
osd1FontSize = 12;
osd1Text = "时间";
osd1Color = "#FF0000";
osd1Image = QImage();
osd1Format = OSDFormat_DateTime;
osd1Position = OSDPosition_Right_Top;
osd2Visible = false;
osd2FontSize = 12;
osd2Text = "通道名称";
osd2Color = "#FF0000";
osd2Image = QImage();
osd2Format = OSDFormat_Text;
osd2Position = OSDPosition_Left_Bottom;
//初始化解码线程
this->initThread();
//初始化悬浮条
this->initFlowPanel();
//初始化悬浮条样式
this->initFlowStyle();
}
void VideoWidget::initThread()
{
}
void VideoWidget::initFlowPanel()
{
//顶部工具栏,默认隐藏,鼠标移入显示移除隐藏
flowPanel = new QWidget(this);
flowPanel->setObjectName("flowPanel");
flowPanel->setVisible(false);
//用布局顶住,左侧弹簧
QHBoxLayout *layout = new QHBoxLayout;
layout->setSpacing(2);
layout->setContentsMargins(0, 0, 0, 0);
layout->addStretch();
flowPanel->setLayout(layout);
//按钮集合名称,如果需要新增按钮则在这里增加即可
QList<QString> btns;
btns << "btnFlowVideo" << "btnFlowSnap" << "btnFlowSound" << "btnFlowAlarm" << "btnFlowClose";
//有多种办法来设置图片,qt内置的图标+自定义的图标+图形字体
//既可以设置图标形式,也可以直接图形字体设置文本
#if 0
QList<QIcon> icons;
icons << QApplication::style()->standardIcon(QStyle::SP_ComputerIcon);
icons << QApplication::style()->standardIcon(QStyle::SP_FileIcon);
icons << QApplication::style()->standardIcon(QStyle::SP_DirIcon);
icons << QApplication::style()->standardIcon(QStyle::SP_DialogOkButton);
icons << QApplication::style()->standardIcon(QStyle::SP_DialogCancelButton);
#else
QList<QChar> chars;
chars << QChar(0xe68d) << QChar(0xe672) << QChar(0xe674) << QChar(0xea36) << QChar(0xe74c);
//判断图形字体是否存在,不存在则加入
QFont iconFont;
QFontDatabase fontDb;
if (!fontDb.families().contains("iconfont")) {
int fontId = fontDb.addApplicationFont(":/image/iconfont.ttf");
QStringList fontName = fontDb.applicationFontFamilies(fontId);
if (fontName.count() == 0) {
qDebug() << "load iconfont.ttf error";
}
}
if (fontDb.families().contains("iconfont")) {
iconFont = QFont("iconfont");
iconFont.setPixelSize(17);
#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
iconFont.setHintingPreference(QFont::PreferNoHinting);
#endif
}
#endif
//循环添加顶部按钮
for (int i = 0; i < btns.count(); i++) {
QPushButton *btn = new QPushButton;
//绑定按钮单击事件,用来发出信号通知
connect(btn, SIGNAL(clicked(bool)), this, SLOT(btnClicked()));
//设置标识,用来区别按钮
btn->setObjectName(btns.at(i));
//设置固定宽度
btn->setFixedWidth(20);
//设置拉伸策略使得填充
btn->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
//设置焦点策略为无焦点,避免单击后焦点跑到按钮上
btn->setFocusPolicy(Qt::NoFocus);
#if 0
//设置图标大小和图标
btn->setIconSize(QSize(16, 16));
btn->setIcon(icons.at(i));
#else
btn->setFont(iconFont);
btn->setText(chars.at(i));
#endif
//将按钮加到布局中
layout->addWidget(btn);
}
}
void VideoWidget::initFlowStyle()
{
//设置样式以便区分,可以自行更改样式,也可以不用样式
QStringList qss;
QString rgba = QString("rgba(%1,%2,%3,150)").arg(flowBgColor.red()).arg(flowBgColor.green()).arg(flowBgColor.blue());
qss.append(QString("#flowPanel{background:%1;border:none;}").arg(rgba));
qss.append(QString("QPushButton{border:none;padding:0px;background:rgba(0,0,0,0);}"));
qss.append(QString("QPushButton:pressed{color:%1;}").arg(flowPressColor.name()));
flowPanel->setStyleSheet(qss.join(""));
}
VideoWidget::~VideoWidget()
{
if (timerCheck->isActive()) {
timerCheck->stop();
}
close();
}
void VideoWidget::resizeEvent(QResizeEvent *)
{
//重新设置顶部工具栏的位置和宽高,可以自行设置顶部显示或者底部显示
int height = 20;
flowPanel->setGeometry(borderWidth, borderWidth, this->width() - (borderWidth * 2), height);
//flowPanel->setGeometry(borderWidth, this->height() - height - borderWidth, this->width() - (borderWidth * 2), height);
}
void VideoWidget::enterEvent(QEvent *)
{
//这里还可以增加一个判断,是否获取了焦点的才需要显示
//if (this->hasFocus()) {}
if (flowEnable) {
flowPanel->setVisible(true);
}
}
void VideoWidget::leaveEvent(QEvent *)
{
if (flowEnable) {
flowPanel->setVisible(false);
}
}
void VideoWidget::dropEvent(QDropEvent *event)
{
//拖放完毕鼠标松开的时候执行
//判断拖放进来的类型,取出文件,进行播放
if (event->mimeData()->hasUrls()) {
QString url = event->mimeData()->urls().first().toLocalFile();
this->close();
this->setUrl(url);
this->open();
emit fileDrag(url);
} else if (event->mimeData()->hasFormat("application/x-qabstractitemmodeldatalist")) {
QTreeWidget *treeWidget = (QTreeWidget *)event->source();
if (treeWidget != 0) {
QString url = treeWidget->currentItem()->data(0, Qt::UserRole).toString();
this->close();
this->setUrl(url);
this->open();
emit fileDrag(url);
}
}
}
void VideoWidget::dragEnterEvent(QDragEnterEvent *event)
{
//拖曳进来的时候先判断下类型,非法类型则不处理
if (event->mimeData()->hasFormat("application/x-qabstractitemmodeldatalist")) {
event->setDropAction(Qt::CopyAction);
event->accept();
} else if (event->mimeData()->hasFormat("text/uri-list")) {
event->setDropAction(Qt::LinkAction);
event->accept();
} else {
event->ignore();
}
}
void VideoWidget::paintEvent(QPaintEvent *)
{
//如果不需要绘制
if (!drawImage) {
return;
}
//qDebug() << TIMEMS << "paintEvent" << objectName();
QPainter painter(this);
painter.setRenderHints(QPainter::Antialiasing);
//绘制边框
drawBorder(&painter);
if (!image.isNull()) {
//绘制背景图片
drawImg(&painter, image);
//绘制标签
drawOSD(&painter, osd1Visible, osd1FontSize, osd1Text, osd1Color, osd1Image, osd1Format, osd1Position);
drawOSD(&painter, osd2Visible, osd2FontSize, osd2Text, osd2Color, osd2Image, osd2Format, osd2Position);
} else {
//绘制背景
drawBg(&painter);
}
}
void VideoWidget::drawBorder(QPainter *painter)
{
if (borderWidth == 0) {
return;
}
painter->save();
QPen pen;
pen.setWidth(borderWidth);
pen.setColor(hasFocus() ? focusColor : borderColor);
painter->setPen(pen);
painter->drawRect(rect());
painter->restore();
}
void VideoWidget::drawBg(QPainter *painter)
{
painter->save();
//背景图片为空则绘制文字,否则绘制背景图片
if (bgImage.isNull()) {
painter->setFont(this->font());
painter->setPen(palette().windowText().color());
painter->drawText(rect(), Qt::AlignCenter, bgText);
} else {
//居中绘制
int x = rect().center().x() - bgImage.width() / 2;
int y = rect().center().y() - bgImage.height() / 2;
QPoint point(x, y);
painter->drawImage(point, bgImage);
}
painter->restore();
}
void VideoWidget::drawImg(QPainter *painter, QImage img)
{
painter->save();
int offset = borderWidth * 1 + 0;
if (fillImage) {
QRect rect(offset / 2, offset / 2, width() - offset, height() - offset);
painter->drawImage(rect, img);
} else {
//按照比例自动居中绘制
img = img.scaled(width() - offset, height() - offset, Qt::KeepAspectRatio);
int x = rect().center().x() - img.width() / 2;
int y = rect().center().y() - img.height() / 2;
QPoint point(x, y);
painter->drawImage(point, img);
}
painter->restore();
}
void VideoWidget::drawOSD(QPainter *painter,
bool osdVisible,
int osdFontSize,
const QString &osdText,
const QColor &osdColor,
const QImage &osdImage,
const VideoWidget::OSDFormat &osdFormat,
const VideoWidget::OSDPosition &osdPosition)
{
if (!osdVisible) {
return;
}
painter->save();
//标签位置尽量偏移多一点避免遮挡
QRect osdRect(rect().x() + (borderWidth * 2), rect().y() + (borderWidth * 2), width() - (borderWidth * 5), height() - (borderWidth * 5));
int flag = Qt::AlignLeft | Qt::AlignTop;
QPoint point = QPoint(osdRect.x(), osdRect.y());
if (osdPosition == OSDPosition_Left_Top) {
flag = Qt::AlignLeft | Qt::AlignTop;
point = QPoint(osdRect.x(), osdRect.y());
} else if (osdPosition == OSDPosition_Left_Bottom) {
flag = Qt::AlignLeft | Qt::AlignBottom;
point = QPoint(osdRect.x(), osdRect.height() - osdImage.height());
} else if (osdPosition == OSDPosition_Right_Top) {
flag = Qt::AlignRight | Qt::AlignTop;
point = QPoint(osdRect.width() - osdImage.width(), osdRect.y());
} else if (osdPosition == OSDPosition_Right_Bottom) {
flag = Qt::AlignRight | Qt::AlignBottom;
point = QPoint(osdRect.width() - osdImage.width(), osdRect.height() - osdImage.height());
}
if (osdFormat == OSDFormat_Image) {
painter->drawImage(point, osdImage);
} else {
QDateTime now = QDateTime::currentDateTime();
QString text = osdText;
if (osdFormat == OSDFormat_Date) {
text = now.toString("yyyy-MM-dd");
} else if (osdFormat == OSDFormat_Time) {
text = now.toString("HH:mm:ss");
} else if (osdFormat == OSDFormat_DateTime) {
text = now.toString("yyyy-MM-dd HH:mm:ss");
}
//设置颜色及字号
QFont font;
font.setPixelSize(osdFontSize);
painter->setPen(osdColor);
painter->setFont(font);
painter->drawText(osdRect, flag, text);
}
painter->restore();
}
QImage VideoWidget::getImage() const
{
return this->image;
}
QPixmap VideoWidget::getPixmap() const
{
return QPixmap();
}
QString VideoWidget::getUrl() const
{
return this->property("url").toString();
}
QDateTime VideoWidget::getLastTime() const
{
return QDateTime::currentDateTime();
}
bool VideoWidget::getCallback() const
{
return false;
}
bool VideoWidget::getIsPlaying() const
{
return false;
}
bool VideoWidget::getIsRtsp() const
{
return false;
}
bool VideoWidget::getIsUsbCamera() const
{
return false;
}
bool VideoWidget::getCopyImage() const
{
return this->copyImage;
}
bool VideoWidget::getCheckLive() const
{
return this->checkLive;
}
bool VideoWidget::getDrawImage() const
{
return this->drawImage;
}
bool VideoWidget::getFillImage() const
{
return this->fillImage;
}
bool VideoWidget::getFlowEnable() const
{
return this->flowEnable;
}
QColor VideoWidget::getFlowBgColor() const
{
return this->flowBgColor;
}
QColor VideoWidget::getFlowPressColor() const
{
return this->flowPressColor;
}
int VideoWidget::getTimeout() const
{
return this->timeout;
}
int VideoWidget::getBorderWidth() const
{
return this->borderWidth;
}
QColor VideoWidget::getBorderColor() const
{
return this->borderColor;
}
QColor VideoWidget::getFocusColor() const
{
return this->focusColor;
}
QString VideoWidget::getBgText() const
{
return this->bgText;
}
QImage VideoWidget::getBgImage() const
{
return this->bgImage;
}
bool VideoWidget::getOSD1Visible() const
{
return this->osd1Visible;
}
int VideoWidget::getOSD1FontSize() const
{
return this->osd1FontSize;
}
QString VideoWidget::getOSD1Text() const
{
return this->osd1Text;
}
QColor VideoWidget::getOSD1Color() const
{
return this->osd1Color;
}
QImage VideoWidget::getOSD1Image() const
{
return this->osd1Image;
}
VideoWidget::OSDFormat VideoWidget::getOSD1Format() const
{
return this->osd1Format;
}
VideoWidget::OSDPosition VideoWidget::getOSD1Position() const
{
return this->osd1Position;
}
bool VideoWidget::getOSD2Visible() const
{
return this->osd2Visible;
}
int VideoWidget::getOSD2FontSize() const
{
return this->osd2FontSize;
}
QString VideoWidget::getOSD2Text() const
{
return this->osd2Text;
}
QColor VideoWidget::getOSD2Color() const
{
return this->osd2Color;
}
QImage VideoWidget::getOSD2Image() const
{
return this->osd2Image;
}
VideoWidget::OSDFormat VideoWidget::getOSD2Format() const
{
return this->osd2Format;
}
VideoWidget::OSDPosition VideoWidget::getOSD2Position() const
{
return this->osd2Position;
}
int VideoWidget::getFaceBorder() const
{
return this->faceBorder;
}
QColor VideoWidget::getFaceColor() const
{
return this->faceColor;
}
QList<QRect> VideoWidget::getFaceRects() const
{
return this->faceRects;
}
void VideoWidget::updateImage(const QImage &image)
{
//拷贝图片有个好处,当处理器比较差的时候,图片不会产生断层,缺点是占用时间
//默认QImage类型是浅拷贝,可能正在绘制的时候,那边已经更改了图片的上部分数据
this->image = copyImage ? image.copy() : image;
this->update();
}
void VideoWidget::checkVideo()
{
QDateTime now = QDateTime::currentDateTime();
QDateTime lastTime = now;
int sec = lastTime.secsTo(now);
if (sec >= timeout) {
restart();
}
}
void VideoWidget::btnClicked()
{
QPushButton *btn = (QPushButton *)sender();
emit btnClicked(btn->objectName());
}
uint VideoWidget::getLength()
{
return 0;
}
uint VideoWidget::getPosition()
{
return 0;
}
void VideoWidget::setPosition(int position)
{
}
bool VideoWidget::getMuted()
{
return false;
}
void VideoWidget::setMuted(bool muted)
{
}
int VideoWidget::getVolume()
{
return 0;
}
void VideoWidget::setVolume(int volume)
{
}
void VideoWidget::setInterval(int interval)
{
}
void VideoWidget::setSleepTime(int sleepTime)
{
}
void VideoWidget::setCheckTime(int checkTime)
{
}
void VideoWidget::setCheckConn(bool checkConn)
{
}
void VideoWidget::setUrl(const QString &url)
{
this->setProperty("url", url);
}
void VideoWidget::setCallback(bool callback)
{
}
void VideoWidget::setHardware(const QString &hardware)
{
}
void VideoWidget::setTransport(const QString &transport)
{
}
void VideoWidget::setSaveFile(bool saveFile)
{
}
void VideoWidget::setSaveInterval(int saveInterval)
{
}
void VideoWidget::setFileFlag(const QString &fileFlag)
{
}
void VideoWidget::setSavePath(const QString &savePath)
{
//如果目录不存在则新建
QDir dir(savePath);
if (!dir.exists()) {
dir.mkdir(savePath);
}
}
void VideoWidget::setFileName(const QString &fileName)
{
}
void VideoWidget::setCopyImage(bool copyImage)
{
this->copyImage = copyImage;
}
void VideoWidget::setCheckLive(bool checkLive)
{
this->checkLive = checkLive;
}
void VideoWidget::setDrawImage(bool drawImage)
{
this->drawImage = drawImage;
}
void VideoWidget::setFillImage(bool fillImage)
{
this->fillImage = fillImage;
}
void VideoWidget::setFlowEnable(bool flowEnable)
{
this->flowEnable = flowEnable;
}
void VideoWidget::setFlowBgColor(const QColor &flowBgColor)
{
if (this->flowBgColor != flowBgColor) {
this->flowBgColor = flowBgColor;
this->initFlowStyle();
}
}
void VideoWidget::setFlowPressColor(const QColor &flowPressColor)
{
if (this->flowPressColor != flowPressColor) {
this->flowPressColor = flowPressColor;
this->initFlowStyle();
}
}
void VideoWidget::setTimeout(int timeout)
{
this->timeout = timeout;
}
void VideoWidget::setBorderWidth(int borderWidth)
{
this->borderWidth = borderWidth;
}
void VideoWidget::setBorderColor(const QColor &borderColor)
{
this->borderColor = borderColor;
}
void VideoWidget::setFocusColor(const QColor &focusColor)
{
this->focusColor = focusColor;
}
void VideoWidget::setBgText(const QString &bgText)
{
this->bgText = bgText;
}
void VideoWidget::setBgImage(const QImage &bgImage)
{
this->bgImage = bgImage;
}
void VideoWidget::setOSD1Visible(bool osdVisible)
{
this->osd1Visible = osdVisible;
}
void VideoWidget::setOSD1FontSize(int osdFontSize)
{
this->osd1FontSize = osdFontSize;
}
void VideoWidget::setOSD1Text(const QString &osdText)
{
this->osd1Text = osdText;
}
void VideoWidget::setOSD1Color(const QColor &osdColor)
{
this->osd1Color = osdColor;
}
void VideoWidget::setOSD1Image(const QImage &osdImage)
{
this->osd1Image = osdImage;
}
void VideoWidget::setOSD1Format(const VideoWidget::OSDFormat &osdFormat)
{
this->osd1Format = osdFormat;
}
void VideoWidget::setOSD1Position(const VideoWidget::OSDPosition &osdPosition)
{
this->osd1Position = osdPosition;
}
void VideoWidget::setOSD2Visible(bool osdVisible)
{
this->osd2Visible = osdVisible;
}
void VideoWidget::setOSD2FontSize(int osdFontSize)
{
this->osd2FontSize = osdFontSize;
}
void VideoWidget::setOSD2Text(const QString &osdText)
{
this->osd2Text = osdText;
}
void VideoWidget::setOSD2Color(const QColor &osdColor)
{
this->osd2Color = osdColor;
}
void VideoWidget::setOSD2Image(const QImage &osdImage)
{
this->osd2Image = osdImage;
}
void VideoWidget::setOSD2Format(const VideoWidget::OSDFormat &osdFormat)
{
this->osd2Format = osdFormat;
}
void VideoWidget::setOSD2Position(const VideoWidget::OSDPosition &osdPosition)
{
this->osd2Position = osdPosition;
}
void VideoWidget::setOSD1Format(quint8 osdFormat)
{
setOSD1Format((VideoWidget::OSDFormat)osdFormat);
}
void VideoWidget::setOSD2Format(quint8 osdFormat)
{
setOSD2Format((VideoWidget::OSDFormat)osdFormat);
}
void VideoWidget::setOSD1Position(quint8 osdPosition)
{
setOSD1Position((VideoWidget::OSDPosition)osdPosition);
}
void VideoWidget::setOSD2Position(quint8 osdPosition)
{
setOSD2Position((VideoWidget::OSDPosition)osdPosition);
}
void VideoWidget::setFaceBorder(int faceBorder)
{
this->faceBorder = faceBorder;
}
void VideoWidget::setFaceColor(const QColor &faceColor)
{
this->faceColor = faceColor;
}
void VideoWidget::setFaceRects(const QList<QRect> &faceRects)
{
this->faceRects = faceRects;
}
void VideoWidget::open()
{
//qDebug() << TIMEMS << "open video" << objectName();
clear();
//如果是图片则只显示图片就行
image = QImage(this->property("url").toString());
if (!image.isNull()) {
this->update();
return;
}
if (checkLive) {
timerCheck->start();
}
}
void VideoWidget::pause()
{
}
void VideoWidget::next()
{
}
void VideoWidget::close()
{
if (checkLive) {
timerCheck->stop();
}
QTimer::singleShot(1, this, SLOT(clear()));
}
void VideoWidget::restart(int delayOpen)
{
//qDebug() << TIMEMS << "restart video" << objectName();
close();
if (delayOpen > 0) {
QTimer::singleShot(delayOpen, this, SLOT(open()));
} else {
open();
}
}
void VideoWidget::clear()
{
image = QImage();
this->update();
}
void VideoWidget::snap(const QString &fileName)
{
}