WaveRubber: a simple waveform analyzer

This kinda elastic analyzer uses no transformations and is colored by a gradient based on the user QT "Highlight" palette.

WaveRubber: a kinda elastic waveform analyzer

Update src/analyzer/waverubber.cpp

better pointer declaration

Co-authored-by: Jonas Kvinge <jonas@jkvinge.net>

src/analyzer/waverubber.h

@@ -0,0 +1,43 @@
+/*
+   Strawberry Music Player
+   Copyright 2024, Gustavo L Conte <suporte@gu.pro.br>
+
+   Strawberry 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.
+
+   Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include <QPixmap>
+#include <QPainter>
+
+#include "analyzerbase.h"
+
+class WaveRubber : public AnalyzerBase {
+
+  Q_OBJECT
+ public:
+  Q_INVOKABLE explicit WaveRubber(QWidget *parent);
+
+  static const char *kName;
+
+ protected:
+  void resizeEvent(QResizeEvent *e) override;
+  void analyze(QPainter &p, const Scope &s, bool new_frame) override;
+  void transform(Scope &scope) override;
+  void demo(QPainter &p) override;
+
+ private:
+  QPixmap canvas_;
+
+};
+