#include?“curveplot.h“

CurvePlot::CurvePlot（QWidget?*parent）?:
????QWidget（parent）
{
????Margin?=?QMargin（0）;
????Background?=?QColor（255?255?255?2）;
????Pen?=?QPen（QBrush（QColor（89?254?222））?1）;
????PenSpect?=?QPen（QBrush（QColor（34?106?217））?15）;
????iAdjustVal?=?0;
}

void?CurvePlot::outPut（）
{
????int?w?=?width（）?-?Margin.Left?-?Margin.Right;
????int?h?=?height（）?-?Margin.Top?-?Margin.Bottom;

????pixmap?=?QPixmap（w?h）;
????pixmap.fill（Background）;
//????QPainter?painter（&pixmap）;
//????painter.setPen（Pen）;
//????painter.drawLine（QPoint（Margin.Left?height（）/2）?QPoint（Margin.Left?+?w?height（）/2））;
????update（）;
}

void?CurvePlot::transformPointsSpect（QVector&data?int?w?int?h?QVector?&points）
{???//?獲取極值
????float?max?=?data[0]?min?=?data[0]?sec?=?data[0];
????for?（int?i=?1;?i????{
????????if?（max?????????????sec?=?max;
????????????max?=?data[i];
????????}
????????if?（sec?????????????sec?=?data[i];
????????if?（min?>?data[i]）
????????????min?=?data[i];
????}
????//?轉化成當前屏幕的內的坐標大小
????max?=?sec;
????max?+=?iAdjustVal;
????min?-=?iAdjustVal;
????float?diffVal?=?max?-?min;
????for?（int?i=?0;?i????????if?（data[i]?*?20??>?diffVal）
????????????points.append（QPointF（i?*?w?/?data.size（）?*?10?h?-?（data[i]?-?min）?/?diffVal?*?h））;
????????else
????????????points.append（QPointF（i?*?w?/?data.size（）?*?10?h?-?1））;
????}
}

void?CurvePlot::transformPoints（QVector&data?int?w?int?h?QVector?&points）
{???//?獲取極值
????float?max?=?data[0]?min?=?data[0];
????for?（int?i=?1;?i????{
????????if?（max?????????????max?=?data[i];
????????if?（min?>?data[i]）
????????????min?=?data[i];
????}
????//?轉化成當前屏幕的內的坐標大小
????max?+=?iAdjustVal;
????min?-=?iAdjustVal;
????float?diffVal?=?max?-?min;
????for?（int?i=?0;?i????????points.append（QPointF（i?*?w?/?data.size（）?h?-?（data[i]?-?min）?/?diffVal?*?h））;
}

void?CurvePlot::outPut（QVector&data）
{
????int?w?=?width（）?-?Margin.Left?-?Margin.Right;
????int?h?=?height（）?-?Margin.Top?-?Margin.Bottom;

????pixmap?=?QPixmap（w?h）;
????pixmap.fill（Background）;
????QPainter?painter（&pixmap）;

????QVector?points;
????transformPoints（data?w?h?points）;
????painter.setPen（Pen）;
????int?step?=?points.size（）*2/w;
????for?（int?i=?0;?i????????painter.drawLine（points[i]?points[i]?+?QPoint（0?h?-?points[i].y（）*2））;

????update（）;
}

void?CurvePlot::outPutSpect（QVector?&data）
{
????int?w?=?width（）?-?Margin.Left?-?Margin.Right;
????int?h?=?height（）?-?Margin.Top?-?Margin.Bottom;

????pixmap?=?QPixmap（w?h）;
????pixmap.fill（Background）;
????QPainter?painter（&pixmap）;

????QVector?points;
????transformPointsSpect（data?w?h?points）;
????painter.setPen（PenSpect）;
????int?cnt?=?points.size（）/10;
????for?（int?i=?0;?i????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????549??2017-01-08?11:30??audioTool\audioTool.pro

?????文件??????23704??2017-04-01?20:55??audioTool\audioTool.pro.user

?????文件??????13385??2017-01-07?12:04??audioTool\audioTool.pro.user.3.2-pre1

?????文件???????3603??2017-01-08?00:05??audioTool\curveplot.cpp

?????文件???????1200??2016-04-04?09:42??audioTool\curveplot.h

?????文件??????21662??2017-01-08?11:21??audioTool\icon\music.ico

?????文件?????????32??2017-01-08?11:31??audioTool\icon.rc

?????文件??????24182??2010-05-02?02:07??audioTool\lib\libzplay.lib

?????文件??????34716??2010-05-05?22:41??audioTool\libzplay.h

?????文件????????183??2017-01-07?15:14??audioTool\main.cpp

?????文件??????10943??2017-01-08?11:12??audioTool\mainwindow.cpp

?????文件???????2199??2017-01-07?22:21??audioTool\mainwindow.h

?????文件??????23420??2017-01-08?11:28??audioTool\mainwindow.ui

?????文件?????????98??2017-01-08?11:24??audioTool\res.qrc

?????目錄??????????0??2017-01-08?11:24??audioTool\icon

?????目錄??????????0??2017-01-07?19:17??audioTool\lib

?????目錄??????????0??2017-04-01?20:55??audioTool

-----------?---------??----------?-----??----

???????????????159876????????????????????17