Begin refactoring of page class

pagebase.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2020 Gavin MacGregor
+ *
+ * This file is part of QTeletextMaker.
+ *
+ * QTeletextMaker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QTeletextMaker is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QTeletextMaker.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGEBASE_H
+#define PAGEBASE_H
+
+#include <QByteArray>
+
+// If we inherit from QObject then we can't copy construct, so "make a new subpage that's a copy of this one" wouldn't work
+class PageBase //: public QObject
+{
+	//Q_OBJECT
+
+public:
+	// Available Page Functions according to 9.4.2.1 of the spec
+	enum PageFunctionEnum { PFLOP, PFData, PFGPOP, PFPOP, PFGDRCS, PFDRCS, PFMOT, PFMIP, PFBTT, PFAIT, PFMPT, PFMPTEX, PFTriggers };
+	// Available Page Codings of X/1 to X/25 according to 9.4.2.1 of the spec
+	enum PacketCodingEnum { PC7bit, PC8bit, PC18bit, PC4bit, PC4bit7bit, PCMixed };
+
+	PageBase();
+	~PageBase();
+	bool setPacket(int, QByteArray);
+	bool setPacket(int, int, QByteArray);
+	PageFunctionEnum pageFunction() const { return m_pageFunction; }
+	bool setPageFunction(PageFunctionEnum);
+	PacketCodingEnum packetCoding(int=0, int=0) const;
+	bool setPacketCoding(PacketCodingEnum);
+	bool packetNeeded(int, int=0) const { return true; }
+
+private:
+	PageFunctionEnum m_pageFunction;
+	PacketCodingEnum m_packetCoding;
+	QByteArray *m_packets[89]; // X/1 to X/25, plus 16 packets for X/26, another 16 for X/27, for X28 and for X/29
+};
+
+#endif