add ability to export a stroke list in plain text

1 files changed, 79 insertions, 0 deletions

diff --git a/stftxtexport.cc b/stftxtexport.cc
new file mode 100644
index 0000000..0163848
--- /dev/null
+++ b/stftxtexport.cc
@@ -0,0 +1,79 @@
+/*
+ * scribiu -- read notebooks and voice memos from Livescribe pens
+ * Copyright (C) 2021 Javier S. Pedro <javier@javispedro.com>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+#include "stftxtexport.h"
+
+class StfToTxtStrokeList : public StfReader::StrokeHandler {
+	QTextStream _out;
+	QPoint _lastP;
+	qint64 _lastTime;
+
+public:
+	StfToTxtStrokeList(QIODevice *out)
+	    : _out(out) {
+	}
+
+	bool startStroke(const QPoint& p, int force, qint64 time) {
+		_out << time << " penDown " << p.x() << ' ' << p.y() << ' ' << force << '\n';
+		_lastP = p;
+		_lastTime = time;
+		return true;
+	}
+
+	bool strokePoint(const QPoint& p, int force, qint64 time) {
+		_out << time << " penMove " << p.x() << ' ' << p.y() << ' ' << force << '\n';
+		_lastP = p;
+		_lastTime = time;
+		return true;
+	}
+
+	bool endStroke(qint64 time) {
+		_out << time << " penUp " << _lastP.x() << ' ' << _lastP.y() << ' ' << 0 << '\n';
+		return true;
+	}
+};
+
+StfTxtExport::StfTxtExport(AfdNotebook *nb)
+    : _nb(nb)
+{
+}
+
+void StfTxtExport::exportStrokeList(QIODevice *out, int pageNum)
+{
+	QStringList pens = _nb->penSerials();
+	if (pens.isEmpty()) return;
+
+	QStringList strokeFiles = _nb->strokeFiles(pens.first(), pageNum);
+	foreach (const QString &strokeFile, strokeFiles) {
+		QFile in(strokeFile);
+		if (!in.open(QIODevice::ReadOnly)) {
+			qWarning() << "Could not open stroke file:" << strokeFile;
+			continue;
+		}
+
+		StfToTxtStrokeList h(out);
+		StfReader r;
+		r.setStrokeHandler(&h);
+		if (!r.parse(&in)) {
+			qWarning() << "Could not open parse file:" << strokeFile;
+			continue;
+		}
+	}
+}