Rename analyzers and add turbine analyzer

src/CMakeLists.txt

@@ -72,9 +72,10 @@ set(SOURCES
   analyzer/analyzercontainer.cpp
   analyzer/blockanalyzer.cpp
   analyzer/boomanalyzer.cpp
+  analyzer/turbineanalyzer.cpp
+  analyzer/sonogramanalyzer.cpp
+  analyzer/waverubberanalyzer.cpp
   analyzer/rainbowanalyzer.cpp
-  analyzer/sonogram.cpp
-  analyzer/waverubber.cpp
 
   equalizer/equalizer.cpp
   equalizer/equalizerslider.cpp
@@ -331,9 +332,10 @@ set(HEADERS
   analyzer/analyzercontainer.h
   analyzer/blockanalyzer.h
   analyzer/boomanalyzer.h
+  analyzer/turbineanalyzer.h
+  analyzer/sonogramanalyzer.h
+  analyzer/waverubberanalyzer.h
   analyzer/rainbowanalyzer.h
-  analyzer/sonogram.h
-  analyzer/waverubber.h
 
   equalizer/equalizer.h
   equalizer/equalizerslider.h

src/analyzer/analyzercontainer.cpp

@@ -39,9 +39,10 @@
 #include "analyzerbase.h"
 #include "blockanalyzer.h"
 #include "boomanalyzer.h"
+#include "turbineanalyzer.h"
+#include "sonogramanalyzer.h"
+#include "waverubberanalyzer.h"
 #include "rainbowanalyzer.h"
-#include "sonogram.h"
-#include "waverubber.h"
 
 #include "core/logging.h"
 #include "core/shared_ptr.h"
@@ -88,10 +89,11 @@ AnalyzerContainer::AnalyzerContainer(QWidget *parent)
 
   AddAnalyzerType<BlockAnalyzer>();
   AddAnalyzerType<BoomAnalyzer>();
-  AddAnalyzerType<NyanCatAnalyzer>();
+  AddAnalyzerType<TurbineAnalyzer>();
+  AddAnalyzerType<SonogramAnalyzer>();
+  AddAnalyzerType<WaveRubberAnalyzer>();
   AddAnalyzerType<RainbowDashAnalyzer>();
-  AddAnalyzerType<Sonogram>();
-  AddAnalyzerType<WaveRubber>();
+  AddAnalyzerType<NyanCatAnalyzer>();
 
   disable_action_ = context_menu_->addAction(tr("No analyzer"), this, &AnalyzerContainer::DisableAnalyzer);
   disable_action_->setCheckable(true);

src/analyzer/blockanalyzer.cpp

@@ -136,7 +136,7 @@ void BlockAnalyzer::transform(Scope &s) {
 
 }
 
-void BlockAnalyzer::analyze(QPainter &p, const Scope &s, bool new_frame) {
+void BlockAnalyzer::analyze(QPainter &p, const Scope &s, const bool new_frame) {
 
   // y = 2 3 2 1 0 2
   //     . . . . # .

src/analyzer/blockanalyzer.h

@@ -54,7 +54,7 @@ class BlockAnalyzer : public AnalyzerBase {
 
  protected:
   void transform(Scope&) override;
-  void analyze(QPainter &p, const Scope&, bool new_frame) override;
+  void analyze(QPainter &p, const Scope &s, const bool new_frame) override;
   void resizeEvent(QResizeEvent*) override;
   virtual void paletteChange(const QPalette&);
   void framerateChanged() override;

src/analyzer/boomanalyzer.h

@@ -45,7 +45,7 @@ class BoomAnalyzer : public AnalyzerBase {
   static const char *kName;
 
   void transform(Scope &s) override;
-  void analyze(QPainter &p, const Scope&, const bool new_frame) override;
+  void analyze(QPainter &p, const Scope &scope, const bool new_frame) override;
 
  public slots:
   void changeK_barHeight(int);

src/analyzer/rainbowanalyzer.cpp

@@ -41,18 +41,21 @@
 #include "fht.h"
 #include "analyzerbase.h"
 
+const char *NyanCatAnalyzer::kName = "Nyanalyzer Cat";
+const char *RainbowDashAnalyzer::kName = "Rainbow Dash";
+
+RainbowAnalyzer::RainbowType RainbowAnalyzer::rainbowtype;
 const int RainbowAnalyzer::kHeight[] = { 21, 33 };
 const int RainbowAnalyzer::kWidth[] = { 34, 53 };
 const int RainbowAnalyzer::kFrameCount[] = { 6, 16 };
-const int RainbowAnalyzer::kRainbowHeight[] = { 21, 16 };
-const int RainbowAnalyzer::kRainbowOverlap[] = { 13, 15 };
 const int RainbowAnalyzer::kSleepingHeight[] = { 24, 33 };
 
-const char *NyanCatAnalyzer::kName = "Nyanalyzer Cat";
-const char *RainbowDashAnalyzer::kName = "Rainbow Dash";
-const float RainbowAnalyzer::kPixelScale = 0.02F;
-
-RainbowAnalyzer::RainbowType RainbowAnalyzer::rainbowtype;
+namespace {
+constexpr int kFrameIntervalMs = 150;
+constexpr int kRainbowHeight[] = { 21, 16 };
+constexpr int kRainbowOverlap[] = { 13, 15 };
+constexpr float kPixelScale = 0.02F;
+}  // namespace
 
 RainbowAnalyzer::RainbowAnalyzer(const RainbowType rbtype, QWidget *parent)
     : AnalyzerBase(parent, 9),
@@ -106,7 +109,7 @@ void RainbowAnalyzer::resizeEvent(QResizeEvent *e) {
 
 }
 
-void RainbowAnalyzer::analyze(QPainter &p, const Scope &s, bool new_frame) {
+void RainbowAnalyzer::analyze(QPainter &p, const Scope &s, const bool new_frame) {
 
   // Discard the second half of the transform
   const int scope_size = static_cast<int>(s.size() / 2);

src/analyzer/rainbowanalyzer.h

@@ -49,44 +49,37 @@ class RainbowAnalyzer : public AnalyzerBase {
     Dash = 1
   };
 
-  RainbowAnalyzer(const RainbowType rbtype, QWidget *parent);
+  explicit RainbowAnalyzer(const RainbowType rbtype, QWidget *parent);
 
  protected:
-  void transform(Scope&) override;
-  void analyze(QPainter &p, const Scope&, bool new_frame) override;
+  void transform(Scope &s) override;
+  void analyze(QPainter &p, const Scope &s, const bool new_frame) override;
 
   void timerEvent(QTimerEvent *e) override;
   void resizeEvent(QResizeEvent *e) override;
 
  private:
+  static const int kRainbowBands = 6;
+  static const int kHistorySize = 128;
+  static RainbowType rainbowtype;
   static const int kHeight[];
   static const int kWidth[];
   static const int kFrameCount[];
-  static const int kRainbowHeight[];
-  static const int kRainbowOverlap[];
   static const int kSleepingHeight[];
 
-  static const int kHistorySize = 128;
-  static const int kRainbowBands = 6;
-  static const float kPixelScale;
-
-  static const int kFrameIntervalMs = 150;
-
-  static RainbowType rainbowtype;
-
-  inline QRect SourceRect(RainbowType _rainbowtype) const {
+  inline QRect SourceRect(const RainbowType _rainbowtype) const {
     return QRect(0, kHeight[_rainbowtype] * frame_, kWidth[_rainbowtype], kHeight[_rainbowtype]);
   }
 
-  inline QRect SleepingSourceRect(RainbowType _rainbowtype) const {
+  inline QRect SleepingSourceRect(const RainbowType _rainbowtype) const {
     return QRect(0, kHeight[_rainbowtype] * kFrameCount[_rainbowtype], kWidth[_rainbowtype], kSleepingHeight[_rainbowtype]);
   }
 
-  inline QRect DestRect(RainbowType _rainbowtype) const {
+  inline QRect DestRect(const RainbowType _rainbowtype) const {
     return QRect(width() - kWidth[_rainbowtype], (height() - kHeight[_rainbowtype]) / 2, kWidth[_rainbowtype], kHeight[_rainbowtype]);
   }
 
-  inline QRect SleepingDestRect(RainbowType _rainbowtype) const {
+  inline QRect SleepingDestRect(const RainbowType _rainbowtype) const {
     return QRect(width() - kWidth[_rainbowtype], (height() - kSleepingHeight[_rainbowtype]) / 2, kWidth[_rainbowtype], kSleepingHeight[_rainbowtype]);
   }
 

src/analyzer/sonogramanalyzer.cpp

@@ -26,14 +26,14 @@
 
 #include "engine/enginebase.h"
 
-#include "sonogram.h"
+#include "sonogramanalyzer.h"
 
-const char *Sonogram::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Sonogram");
+const char *SonogramAnalyzer::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Sonogram");
 
-Sonogram::Sonogram(QWidget *parent)
+SonogramAnalyzer::SonogramAnalyzer(QWidget *parent)
     : AnalyzerBase(parent, 9) {}
 
-void Sonogram::resizeEvent(QResizeEvent *e) {
+void SonogramAnalyzer::resizeEvent(QResizeEvent *e) {
 
   Q_UNUSED(e)
 
@@ -42,7 +42,7 @@ void Sonogram::resizeEvent(QResizeEvent *e) {
 
 }
 
-void Sonogram::analyze(QPainter &p, const Scope &s, bool new_frame) {
+void SonogramAnalyzer::analyze(QPainter &p, const Scope &s, const bool new_frame) {
 
   if (!new_frame || engine_->state() == EngineBase::State::Paused) {
     p.drawPixmap(0, 0, canvas_);
@@ -81,7 +81,7 @@ void Sonogram::analyze(QPainter &p, const Scope &s, bool new_frame) {
 
 }
 
-void Sonogram::transform(Scope &scope) {
+void SonogramAnalyzer::transform(Scope &scope) {
 
   fht_->power2(scope.data());
   fht_->scale(scope.data(), 1.0 / 256);
@@ -89,6 +89,6 @@ void Sonogram::transform(Scope &scope) {
 
 }
 
-void Sonogram::demo(QPainter &p) {
+void SonogramAnalyzer::demo(QPainter &p) {
   analyze(p, Scope(fht_->size(), 0), new_frame_);
 }

src/analyzer/sonogramanalyzer.h

@@ -21,24 +21,25 @@
    along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef SONOGRAM_H
-#define SONOGRAM_H
+#ifndef SONOGRAMANALYZER_H
+#define SONOGRAMANALYZER_H
 
 #include <QPixmap>
 #include <QPainter>
 
 #include "analyzerbase.h"
 
-class Sonogram : public AnalyzerBase {
+class SonogramAnalyzer : public AnalyzerBase {
   Q_OBJECT
+
  public:
-  Q_INVOKABLE explicit Sonogram(QWidget *parent);
+  Q_INVOKABLE explicit SonogramAnalyzer(QWidget *parent);
 
   static const char *kName;
 
  protected:
   void resizeEvent(QResizeEvent *e) override;
-  void analyze(QPainter &p, const Scope &s, bool new_frame) override;
+  void analyze(QPainter &p, const Scope &s, const bool new_frame) override;
   void transform(Scope &scope) override;
   void demo(QPainter &p) override;
 
@@ -46,4 +47,4 @@ class Sonogram : public AnalyzerBase {
   QPixmap canvas_;
 };
 
-#endif  // SONOGRAM_H
+#endif  // SONOGRAMANALYZER_H

src/analyzer/turbineanalyzer.cpp

@@ -0,0 +1,100 @@
+/*
+   Strawberry Music Player
+   This file was part of Clementine.
+   Copyright 2003, Stanislav Karchebny <berkus@users.sf.net>
+   Copyright 2003, Max Howell <max.howell@methylblue.com>
+   Copyright 2009-2010, David Sansome <davidsansome@gmail.com>
+   Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
+   Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
+   Copyright 2014, John Maguire <john.maguire@gmail.com>
+
+   Clementine 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.
+
+   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include <cmath>
+#include <algorithm>
+
+#include <QPainter>
+
+#include "turbineanalyzer.h"
+#include "engine/enginebase.h"
+
+const char *TurbineAnalyzer::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "Turbine");
+
+TurbineAnalyzer::TurbineAnalyzer(QWidget *parent) : BoomAnalyzer(parent) {}
+
+void TurbineAnalyzer::analyze(QPainter &p, const Scope &scope, const bool new_frame) {
+
+  if (!new_frame || engine_->state() == EngineBase::State::Paused) {
+    p.drawPixmap(0, 0, canvas_);
+    return;
+  }
+
+  const uint hd2 = height() / 2;
+  const uint kMaxHeight = hd2 - 1;
+
+  QPainter canvas_painter(&canvas_);
+  canvas_.fill(palette().color(QPalette::Window));
+
+  AnalyzerBase::interpolate(scope, scope_);
+
+  for (uint i = 0, x = 0, y = 0; i < static_cast<uint>(bands_); ++i, x += kColumnWidth + 1) {
+    float h = static_cast<float>(std::min(log10(scope_[i] * 256.0) * F_ * 0.5, kMaxHeight * 1.0));
+
+    if (h > bar_height_[i]) {
+      bar_height_[i] = h;
+      if (h > peak_height_[i]) {
+        peak_height_[i] = h;
+        peak_speed_[i] = 0.01;
+      }
+      else {
+        goto peak_handling;
+      }
+    }
+    else {
+      if (bar_height_[i] > 0.0) {
+        bar_height_[i] -= K_barHeight_;  // 1.4
+        if (bar_height_[i] < 0.0) bar_height_[i] = 0.0;
+      }
+
+    peak_handling:
+      if (peak_height_[i] > 0.0) {
+        peak_height_[i] -= peak_speed_[i];
+        peak_speed_[i] *= F_peakSpeed_;  // 1.12
+        peak_height_[i] = std::max(0.0, std::max(bar_height_[i], peak_height_[i]));
+      }
+    }
+
+    y = hd2 - static_cast<uint>(bar_height_[i]);
+    canvas_painter.drawPixmap(static_cast<int>(x + 1), static_cast<int>(y), barPixmap_, 0, static_cast<int>(y), -1, -1);
+    canvas_painter.drawPixmap(static_cast<int>(x + 1), static_cast<int>(hd2), barPixmap_, 0, static_cast<int>(bar_height_[i]), -1, -1);
+
+    canvas_painter.setPen(fg_);
+    if (bar_height_[i] > 0) {
+      canvas_painter.drawRect(static_cast<int>(x), static_cast<int>(y), kColumnWidth - 1, static_cast<int>(bar_height_[i]) * 2 - 1);
+    }
+
+    const uint x2 = x + kColumnWidth - 1;
+    canvas_painter.setPen(palette().color(QPalette::Midlight));
+    y = hd2 - static_cast<uint>(peak_height_[i]);
+    canvas_painter.drawLine(static_cast<int>(x), static_cast<int>(y), static_cast<int>(x2), static_cast<int>(y));
+    y = hd2 + static_cast<uint>(peak_height_[i]);
+    canvas_painter.drawLine(static_cast<int>(x), static_cast<int>(y), static_cast<int>(x2), static_cast<int>(y));
+  }
+
+  p.drawPixmap(0, 0, canvas_);
+
+}

src/analyzer/turbineanalyzer.h

@@ -0,0 +1,41 @@
+/*
+   Strawberry Music Player
+   This file was part of Clementine.
+   Copyright 2003, Stanislav Karchebny <berkus@users.sf.net>
+   Copyright 2009-2010, David Sansome <davidsansome@gmail.com>
+   Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
+   Copyright 2014, John Maguire <john.maguire@gmail.com>
+
+   Clementine 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.
+
+   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TURBINEANALYZER_H
+#define TURBINEANALYZER_H
+
+#include "boomanalyzer.h"
+
+class QPainter;
+
+class TurbineAnalyzer : public BoomAnalyzer {
+  Q_OBJECT
+
+ public:
+  Q_INVOKABLE explicit TurbineAnalyzer(QWidget *parent);
+
+  void analyze(QPainter &p, const Scope &scope, const bool new_frame);
+
+  static const char *kName;
+};
+
+#endif  // TURBINEANALYZER_H

src/analyzer/waverubberanalyzer.cpp

@@ -19,14 +19,14 @@
 #include <QPainter>
 #include <QResizeEvent>
 #include "engine/enginebase.h"
-#include "waverubber.h"
+#include "waverubberanalyzer.h"
 
-const char *WaveRubber::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "WaveRubber");
+const char *WaveRubberAnalyzer::kName = QT_TRANSLATE_NOOP("AnalyzerContainer", "WaveRubber");
 
-WaveRubber::WaveRubber(QWidget *parent)
+WaveRubberAnalyzer::WaveRubberAnalyzer(QWidget *parent)
     : AnalyzerBase(parent, 9) {}
 
-void WaveRubber::resizeEvent(QResizeEvent *e) {
+void WaveRubberAnalyzer::resizeEvent(QResizeEvent *e) {
 
   Q_UNUSED(e)
 
@@ -35,7 +35,7 @@ void WaveRubber::resizeEvent(QResizeEvent *e) {
 
 }
 
-void WaveRubber::analyze(QPainter &p, const Scope &s, const bool new_frame) {
+void WaveRubberAnalyzer::analyze(QPainter &p, const Scope &s, const bool new_frame) {
 
   if (!new_frame || engine_->state() == EngineBase::State::Paused) {
     p.drawPixmap(0, 0, canvas_);
@@ -82,11 +82,11 @@ void WaveRubber::analyze(QPainter &p, const Scope &s, const bool new_frame) {
 
 }
 
-void WaveRubber::transform(Scope &s) {
+void WaveRubberAnalyzer::transform(Scope &s) {
   // No need transformation for waveform analyzer
   Q_UNUSED(s);
 }
 
-void WaveRubber::demo(QPainter &p) {
+void WaveRubberAnalyzer::demo(QPainter &p) {
   analyze(p, Scope(fht_->size(), 0), new_frame_);
 }

src/analyzer/waverubberanalyzer.h

@@ -22,11 +22,11 @@
 
 #include "analyzerbase.h"
 
-class WaveRubber : public AnalyzerBase {
+class WaveRubberAnalyzer : public AnalyzerBase {
   Q_OBJECT
 
  public:
-  Q_INVOKABLE explicit WaveRubber(QWidget *parent);
+  Q_INVOKABLE explicit WaveRubberAnalyzer(QWidget *parent);
 
   static const char *kName;