#include?“CImageView.h“
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

CImageView::CImageView（QWidget?*?parent）?
????:?QWidget（parent）
	?m_oSrcollAreaMaxSize（QSize（0?0））
	?m_nExpandMultiple（0）
	?m_bMousePressed（false）
	?m_bIsUrl（false）
?????m_bIsLoadFail（false）
?????m_imageCachePath（“D:/imageCache/“）
?????pReply（NULL）
{

????QDir?dir（m_imageCachePath）;
????if?（!dir.exists（））
????{
?????????dir.mkpath（m_imageCachePath）;//創(chuàng)建多級目錄
????}

	this->setAttribute（Qt::WA_DeleteOnClose?false）;
????this->setWindowtitle（QStringLiteral（“圖片查看“））;

	m_pNetworkManager?=?new?QNetworkAccessManager（this）;
	connect（m_pNetworkManager?SIGNAL（finished（QNetworkReply?*））?this?SLOT（replyFinished（QNetworkReply?*）））;

	init（）;
}

void?CImageView::init（）
{
????m_pCenterWidget?=?new?QWidget（this）;

????m_pImageLabel?=?new?QLabel（m_pCenterWidget）;
????m_pCenterWidget->installEventFilter（this）;

????m_pImageLabel->setScaledContents（true）;
????m_pImageLabel->installEventFilter（this）;

????m_pUp?=?new?QPushButton（this）;
????m_pUp->setFlat（true）;
????m_pUp->setFixedSize（64?64）;
????connect（m_pUp?&QPushButton::clicked?this?&CImageView::onUp）;
????m_pUp->setstyleSheet（“QPushButton{border-image:?url（:/iocn/res/left.png）;}\
??????????????????????????QPushButton:hover{border-image:url（:/iocn/res/left_hover.png）;}“）;

????m_pDown?=?new?QPushButton（this）;
????m_pDown->setFlat（true）;
????m_pDown->setFixedSize（64?64）;
????connect（m_pDown?&QPushButton::clicked?this?&CImageView::onDown）;
????m_pDown->setstyleSheet（“QPushButton{border-image:?url（:/iocn/res/right.png）;}\
????????????????????????????QPushButton:hover{border-image:url（:/iocn/res/right_hover.png）;}“）;

????m_pWaitLabel?=?new?QLabel（this）;
????m_pWaitMovie?=?new?QMovie（“:/iocn/res/loading.gif“）;

????m_pWaitLabel->setMovie（m_pWaitMovie）;
????m_pWaitMovie->setSpeed（200）;

????QHBoxLayout?*pWaitLabelLayout?=?new?QHBoxLayout;
????pWaitLabelLayout->addSpacing（20）;
????pWaitLabelLayout->addWidget（m_pUp）;
????pWaitLabelLayout->addStretch（）;
????pWaitLabelLayout->addWidget（m_pWaitLabel）;
????pWaitLabelLayout->addStretch（）;
????pWaitLabelLayout->addWidget（m_pDown）;
????pWaitLabelLayout->addSpacing（20）;

????QVBoxLayout?*pWaitLayout?=?new?QVBoxLayout;
????pWaitLayout->addStretch（）;
????pWaitLayout->addLayout（pWaitLabelLayout）;
????pWaitLayout->addStretch（）;

????m_pCenterWidget->setLayout（pWaitLayout）;

????m_pExpandBtn?=?new?QPushButton（this）;
????m_pExpandBtn->setFlat（true）;
????m_pExpandBtn->setIcon（QIcon（“:/iocn/res/Expand.png“））;
????connect（m_pExpandBtn?&QPushButton::clicked?this?&CImageView::onExpand）;
????m_pExpandBtn->setEnabled（false）;

????m_pNarrowBtn?=?new?QPushButton（this）;
????m_pNarrowBtn->setFlat（true）;
????m_pNarrowBtn->setIcon（QIcon（“:/iocn/res/Narrow.png“））;
????connect（m_pNarrowBtn?&QPushButton::clicked?this?&CImageVie