123 lines
2.8 KiB
C++
123 lines
2.8 KiB
C++
/*
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* Copyright (C) 2020-2024 Gavin MacGregor
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*
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* This file is part of QTeletextMaker.
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*
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* QTeletextMaker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* QTeletextMaker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <QByteArray>
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#include "pagebase.h"
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PageBase::PageBase()
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{
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// We use nullptrs to keep track of allocated packets, so initialise them this way
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for (int i=0; i<26; i++)
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m_displayPackets[i] = nullptr;
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for (int i=0; i<4; i++)
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for (int j=0; j<16; j++)
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m_designationPackets[i][j] = nullptr;
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for (int i=PageBase::C4ErasePage; i<=PageBase::C14NOS; i++)
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m_controlBits[i] = false;
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}
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PageBase::~PageBase()
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{
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for (int i=0; i<26; i++)
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if (m_displayPackets[i] != nullptr)
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delete m_displayPackets[i];
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for (int i=0; i<4; i++)
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for (int j=0; j<16; j++)
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if (m_designationPackets[i][j] != nullptr)
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delete m_designationPackets[i][j];
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}
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bool PageBase::isEmpty() const
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{
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for (int i=0; i<26; i++)
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if (m_displayPackets[i] != nullptr)
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return false;
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for (int i=0; i<4; i++)
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for (int j=0; j<16; j++)
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if (m_designationPackets[i][j] != nullptr)
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return false;
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return true;
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}
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QByteArray PageBase::packet(int i) const
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{
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if (m_displayPackets[i] == nullptr)
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return QByteArray(); // Blank result
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return *m_displayPackets[i];
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}
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QByteArray PageBase::packet(int i, int j) const
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{
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if (m_designationPackets[i-26][j] == nullptr)
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return QByteArray(); // Blank result
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return *m_designationPackets[i-26][j];
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}
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bool PageBase::setPacket(int i, QByteArray packetContents)
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{
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if (m_displayPackets[i] == nullptr)
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m_displayPackets[i] = new QByteArray(40, 0x00);
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*m_displayPackets[i] = packetContents;
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return true;
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}
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bool PageBase::setPacket(int i, int j, QByteArray packetContents)
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{
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if (m_designationPackets[i-26][j] == nullptr)
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m_designationPackets[i-26][j] = new QByteArray(40, 0x00);
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*m_designationPackets[i-26][j] = packetContents;
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return true;
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}
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/*
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bool PageBase::deletePacket(int i)
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{
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if (m_displayPackets[i] != nullptr) {
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delete m_displayPackets[i];
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m_displayPackets[i] = nullptr;
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}
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return true;
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}
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bool PageBase::deletePacket(int i)
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{
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if (m_designationPackets[i-26][j] != nullptr) {
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delete m_designationPackets[i-26][j];
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m_designationPackets[i-26][j] = nullptr;
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}
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return true;
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}
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*/
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bool PageBase::setControlBit(int bitNumber, bool active)
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{
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m_controlBits[bitNumber] = active;
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return true;
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}
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