101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
#include "QtGDALProcessBar.h"
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#include <QCoreApplication>
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QtGDALProcessBar::QtGDALProcessBar(QWidget *parent)
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: QProgressBar(parent)
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{
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//ui.setupUi(this);
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this->setTextVisible(true);
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m_dPosition = 0.0;
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m_iStepCount = 100;
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m_iCurStep = 0;
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}
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QtGDALProcessBar::~QtGDALProcessBar()
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{
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}
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/**
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* @brief 设置进度信息
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* @param pszMsg 进度信息
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*/
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void QtGDALProcessBar::SetMessage(const char* pszMsg)
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{
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if (pszMsg != NULL)
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{
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m_strMessage = pszMsg;
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//setLabelText(QString(pszMsg));
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}
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}
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/**
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* @brief 设置进度值
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* @param dPosition 进度值
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*/
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bool QtGDALProcessBar::SetPosition(double dPosition)
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{
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m_dPosition = dPosition;
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//cout << "m_dPosition " << m_dPosition << endl;
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//current_value = value();
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int temp_value = int(m_start_value +std::min(100u, (uint)(m_dPosition * 100.0 )) * m_scale);
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setValue(temp_value);
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//setFormat(tr("%1%").arg(temp_value));
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//cout << "StepIt " << temp_value << "\t" << "current_value" << int(m_start_value + temp_value * m_scale) << endl;
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//QCoreApplication::instance()->processEvents();
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//this->update();
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//if (this->wasCanceled())
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// return false;
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return true;
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}
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bool QtGDALProcessBar::SetStartEndValue(int i_start_value, int i_end_value)
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{
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if (i_end_value< i_start_value )
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{
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return false;
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}
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else
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{
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m_start_value = i_start_value;
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m_end_value = i_end_value;
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m_scale = (m_end_value - m_start_value) / 100.0;
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return true;
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}
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}
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/**
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* @brief 进度条前进一步,返回false表示终止操作
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*/
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bool QtGDALProcessBar::StepIt()
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{
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m_iCurStep++;
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m_dPosition = m_iCurStep * 1.0 / m_iStepCount;
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//current_value = value();
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int temp_value = std::min(100u, (uint)(m_dPosition * 100.0));
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setValue(int(m_start_value + temp_value * m_scale));
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//setFormat(QString("当前进度为：%1%").arg(temp_value));
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//cout << "StepIt " << temp_value <<"\t"<<"current_value"<< current_value << endl;
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//QCoreApplication::instance()->processEvents();
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//if (this->wasCanceled())
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// return false;
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return true;
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}
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void QtGDALProcessBar::updateProgress(int step)
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{
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this->setValue(step);
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//this->update();
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//cout << "updateProgress " << step << endl;
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//QCoreApplication::instance()->processEvents();
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}
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