#include?“LabelPress.h“
#include?

LabelPress::LabelPress（QWidget?*parent?/*=?0*/?）:QLabel（parent）
{
}

LabelPress::LabelPress（const?QString?&text?QWidget?*parent
????Qt::WindowFlags?f）:QLabel（textparentf）
{

}

void?LabelPress::init（int?id）
{

}


LabelPress::~LabelPress（）
{

}

void?LabelPress::mousePressEvent（QMouseEvent?*e）
{
????if（e->button（）?&&?Qt::LeftButton）{
????????m_isDown?=?true;
????????m_start?=?e->pos（）;
????????m_stop?=?e->pos（）;
????}
}

void?LabelPress::mouseMoveEvent（QMouseEvent?*e）
{
????if（m_isDown）{
????????m_stop?=?e->pos（）;
????}
????update（）;
}

void?LabelPress::mouseReleaseEvent（QMouseEvent?*e）
{
????if（e->button（）?&&?Qt::LeftButton）{
????????m_isDown?=?false;
????}

}


void?LabelPress::paintEvent（QPaintEvent?*event）
{
????QLabel::paintEvent（event）;//先調用父類的paintEvent為了顯示‘背景‘!!!
????QPainter?painter（this）;
????painter.setPen（QPen（Qt::red2））;
????if（!m_isDown）{
????????return;
????}
????painter.drawRect（QRect（m_startm_stop））;

????QRect?selectedRect?=?getRect（m_start?m_stop）;
????m_capturePixmap?=?m_loadPixmap.copy（selectedRect）;
????signalCompleteCature（m_capturePixmap）;
????if（m_capturePixmap.isNull（））qDebug（“isNull“）;
}

QRect?LabelPress::getRect（const?QPoint?&beginPoint?const?QPoint?&endPoint）
{
????int?x?y?width?height;
????width?=?qAbs（beginPoint.x（）?-?endPoint.x（））;
????height?=?qAbs（beginPoint.y（）?-?endPoint.y（））;
????x?=?beginPoint.x（）?????y?=?beginPoint.y（）?
????QRect?selectedRect?=?QRect（x?y?width?height）;
????//?避免寬或高為零時拷貝截圖有誤;
????//?可以看QQ截圖，當選取截圖寬或高為零時默認為2;
????if?（selectedRect.width（）?==?0）
????{
????????selectedRect.setWidth（1）;
????}
????if?（selectedRect.height（）?==?0）
????{
????????selectedRect.setHeight（1）;
????}

????return?selectedRect;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-06-24?16:36??label\
?????目錄???????????0??2018-06-24?16:46??label\aaa\
?????文件????????1060??2018-06-24?16:35??label\aaa\aaa.pro
?????文件???????18285??2018-06-24?16:46??label\aaa\aaa.pro.user
?????文件????????2016??2018-06-24?16:35??label\aaa\labelpress.cpp
?????文件?????????865??2018-06-24?16:35??label\aaa\labelpress.h
?????文件?????????183??2018-06-24?16:35??label\aaa\main.cpp
?????文件?????????977??2018-06-24?16:35??label\aaa\mainwindow.cpp
?????文件?????????485??2018-06-24?16:35??label\aaa\mainwindow.h
?????文件????????1790??2018-06-24?16:35??label\aaa\mainwindow.ui
?????目錄???????????0??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\
?????文件???????21801??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\Makefile
?????文件??????176183??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\Makefile.Debug
?????文件??????175364??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\Makefile.Release
?????目錄???????????0??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\
?????文件??????156672??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.exe
?????文件?????????638??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.exe.embed.manifest
?????文件??????????97??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.exe_manifest.rc
?????文件?????????704??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.exe_manifest.res
?????文件?????1179108??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.ilk
?????文件?????4509696??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\aaa.pdb
?????文件??????368404??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\labelpress.obj
?????文件??????339568??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\main.obj
?????文件??????500340??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\mainwindow.obj
?????文件????????4057??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\moc_labelpress.cpp
?????文件??????346535??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\moc_labelpress.obj
?????文件????????3633??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\moc_mainwindow.cpp
?????文件??????344638??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\debug\moc_mainwindow.obj
?????目錄???????????0??2018-06-24?16:49??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\release\
?????文件????????3479??2018-06-24?16:36??label\build-aaa-Desktop_Qt_5_3_MSVC2013_64bit-Debug\ui_mainwindow.h