#include?“CSoundWave.h“
#include?
#include?
#include?ylePainter>
#include?
#include?
CSoundWave::CSoundWave（const?unsigned?int?nTickTime/*設置跳動頻率毫秒*/?const?unsigned?int?&nRedrawSpacesQWidget?*parent）?:
????QWidget（parent）
{
????m_nTickTime?=?nTickTime;
????m_nSpaces?=?nRedrawSpaces;
????m_bInited?=?false;
????m_bAutoWave?=?false;

????m_brush?=?QBrush（Qt::white）;
????m_brushBackGround=?QBrush（Qt::black）;
????m_drawTimer?=?new?QTimer;
????connect（m_drawTimer?SIGNAL（timeout（））thisSLOT（newLine（）））;
????m_nMaxValue?=?1000;
????m_backColor?=QColor（888888）;
????m_penColor?=?QColor（33?3333）;
}

void?CSoundWave::enableAutoWave（bool?bAutoWave）
{
????if?（bAutoWave）
????{
????????m_drawTimer->start（m_nTickTime）;
????}
????else
????{
????????m_drawTimer->stop（）;
????}
}

void?CSoundWave::setTickParamers（const?unsigned?int?&nTickTime/*設置跳動頻率*/?const?unsigned?int?&nRedrawSpaces/*設置間隙，聲波中采用1個像素*/）
{

}

void?CSoundWave::setMaxValue（const?unsigned?int&??nMaxValue）
{
????m_nMaxValue?=?nMaxValue;
}
void?CSoundWave::addNewSoundValue（const?unsigned?int&??nNewSound）

{
????_addNewSound（nNewSound?%?m_nMaxValue）;
}
void?CSoundWave::newLine（）
{
????_addNewSound（qrand（）?%?m_nMaxValue）;
}

void?CSoundWave::_addNewSound（const?unsigned?int?&value）
{
????QRect?rc?=?this->rect（）;
????unsigned?int?nHeight?=?rc.height（）?*?value?/（float）m_nMaxValue;
????unsigned?int?nStartY?=?（rc.height（）?-?nHeight）?/?2;
????if?（!m_bInited）
????{
????????waveImg?=?QPixmap（rc.width（）?rc.height（））;
????????waveImg.fill（m_backColor）;
????????m_bInited?=?true;
????}
????QPainter?painter2（&waveImg）;
????painter2.setBrush（m_brush）;
????painter2.setPen（m_penColor）;

????QPainter?painterTemp（&waveImgTemp）;
????painterTemp.setBrush（m_brush）;
????painterTemp.setPen（m_penColor）;
????painterTemp.fillRect（rect（）?m_backColor）;

????QRect?newRc?=?waveImg.rect（）;

????painterTemp.drawPixmap（QRect（00?newRc.width（）?-?m_nSpaces?newRc.height（））?waveImg?QRect（?m_nSpaces0?newRc.width（）-?m_nSpaces?newRc.height（）））;

????painterTemp.drawLine（QPoint（rc.topRight（）.x（）?rc.topRight（）.y（）?+?nStartY）QPoint（rc.bottomRight（）.x（）?rc.bottomRight（）.y（）?-?nStartY））;

????painter2.fillRect（rect（）?m_backColor）;
?????painter2.drawPixmap（QRect（00?newRc.width（）?newRc.height（））?waveImgTemp?QRect（?00?newRc.width（）?newRc.height（）））;

????update（）;
}

void?CSoundWave::paintEvent（QPaintEvent?*ev）
{
????QRect?rc?=?this->rect（）;
????if?（!m_bInited）
????{
????????waveImg?=?QPixmap（rc.width（）?rc.height（））;
????????waveImg.fill（m_backColor）;
????????waveImgTemp?=?QPixmap（rc.width（）?rc.height（））;
????????waveImgTemp.fill（m_backColor）;
????????m_bInited?=?true;
????}

????QPainter?painter（this）;
????painter.drawPixmap（00?waveImg）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-03-14?11:56??CSoundWaveTest\
?????文件????????2912??2016-03-14?14:06??CSoundWaveTest\CSoundWave.cpp
?????文件????????1280??2016-03-14?14:02??CSoundWaveTest\CSoundWave.h
?????文件?????????400??2016-03-14?11:53??CSoundWaveTest\CSoundWaveTest.pro
?????文件???????18303??2016-03-14?11:56??CSoundWaveTest\CSoundWaveTest.pro.user
?????文件?????????183??2016-03-10?15:04??CSoundWaveTest\main.cpp
?????文件?????????382??2016-03-14?11:53??CSoundWaveTest\mainwindow.cpp
?????文件?????????288??2016-03-14?09:53??CSoundWaveTest\mainwindow.h