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Merge pull request #5123 from narunlifescience/master

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combine nyancatanalyzer & rainbowdashanalyzer(eliminate duplicated code)
This commit is contained in:
John Maguire 2015-11-23 17:50:34 +00:00
commit 136c980b1a
7 changed files with 128 additions and 359 deletions
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6
src/CMakeLists.txt
View File

@ -69,8 +69,7 @@ set(SOURCES
analyzers/baranalyzer.cpp
analyzers/blockanalyzer.cpp
analyzers/boomanalyzer.cpp
analyzers/nyancatanalyzer.cpp
analyzers/rainbowdashanalyzer.cpp
analyzers/rainbowanalyzer.cpp
analyzers/sonogram.cpp
analyzers/turbine.cpp
analyzers/fht.cpp
@ -402,8 +401,7 @@ set(HEADERS
analyzers/baranalyzer.h
analyzers/blockanalyzer.h
analyzers/boomanalyzer.h
analyzers/nyancatanalyzer.h
analyzers/rainbowdashanalyzer.h
analyzers/rainbowanalyzer.h
analyzers/sonogram.h
analyzers/turbine.h

19
src/analyzers/analyzercontainer.cpp
View File

@ -3,8 +3,8 @@
Copyright 2010, 2014, John Maguire <john.maguire@gmail.com>
Copyright 2011-2012, Arnaud Bienner <arnaud.bienner@gmail.com>
Copyright 2013, Vasily Fomin <vasili.fomin@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -24,14 +24,13 @@
#include "baranalyzer.h"
#include "blockanalyzer.h"
#include "boomanalyzer.h"
#include "nyancatanalyzer.h"
#include "rainbowdashanalyzer.h"
#include "sonogram.h"
#include "rainbowanalyzer.h"
#include "turbine.h"
#include "core/logging.h"
#include <QMouseEvent>
#include <QHBoxLayout>
#include <QMouseEvent>
#include <QSettings>
#include <QTimer>
#include <QtDebug>
@ -80,8 +79,8 @@ AnalyzerContainer::AnalyzerContainer(QWidget* parent)
AddAnalyzerType<BoomAnalyzer>();
AddAnalyzerType<Sonogram>();
AddAnalyzerType<TurbineAnalyzer>();
AddAnalyzerType<NyanCatAnalyzer>();
AddAnalyzerType<RainbowDashAnalyzer>();
AddAnalyzerType<Rainbow::NyanCatAnalyzer>();
AddAnalyzerType<Rainbow::RainbowDashAnalyzer>();
connect(mapper_, SIGNAL(mapped(int)), SLOT(ChangeAnalyzer(int)));
disable_action_ = context_menu_->addAction(tr("No analyzer"), this,
@ -160,7 +159,8 @@ void AnalyzerContainer::TogglePsychedelicColors() {
}
void AnalyzerContainer::ChangeAnalyzer(int id) {
QObject* instance = analyzer_types_[id]->newInstance(Q_ARG(QWidget*, this));
QObject* instance =
analyzer_types_[id]->newInstance(Q_ARG(QWidget*, this));
if (!instance) {
qLog(Warning) << "Couldn't intialise a new"
@ -229,8 +229,8 @@ void AnalyzerContainer::Load() {
}
void AnalyzerContainer::SaveFramerate(int framerate) {
// For now, framerate is common for all analyzers. Maybe each analyzer should
// have its own framerate?
// For now, framerate is common for all analyzers.
// Maybe each analyzer should have its own framerate?
current_framerate_ = framerate;
QSettings s;
s.beginGroup(kSettingsGroup);
@ -261,3 +261,4 @@ void AnalyzerContainer::AddFramerate(const QString& name, int framerate) {
framerate_list_ << framerate;
action->setCheckable(true);
}

3
src/analyzers/analyzercontainer.h
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@ -99,9 +99,8 @@ template <typename T>
void AnalyzerContainer::AddAnalyzerType() {
int id = analyzer_types_.count();
analyzer_types_ << &T::staticMetaObject;
QAction* action =
context_menu_->addAction(tr(T::kName), mapper_, SLOT(map()));
context_menu_->addAction(tr(T::kName), mapper_, SLOT(map()));
group_->addAction(action);
mapper_->setMapping(action, id);
action->setCheckable(true);

78
src/analyzers/nyancatanalyzer.cpp → src/analyzers/rainbowanalyzer.cpp
View File

@ -1,9 +1,12 @@
/* This file is part of Clementine.
Copyright 2011, Tyler Rhodes <tyler.s.rhodes@gmail.com>
Copyright 2011-2012, 2014, David Sansome <me@davidsansome.com>
Copyright 2014, Alibek Omarov <a1ba.omarov@gmail.com>
Copyright 2014, John Maguire <john.maguire@gmail.com>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2015, Arun Narayanankutty <n.arun.lifescience@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
@ -18,24 +21,33 @@
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "nyancatanalyzer.h"
#include "rainbowanalyzer.h"
#include <cmath>
#include <QTimerEvent>
#include <QBrush>
#include <QBrush>
#include "core/arraysize.h"
#include "core/logging.h"
using Analyzer::Scope;
const char* NyanCatAnalyzer::kName = "Nyanalyzer cat";
const float NyanCatAnalyzer::kPixelScale = 0.02f;
const int Rainbow::RainbowAnalyzer::kHeight[] = { 21, 33 };
const int Rainbow::RainbowAnalyzer::kWidth[] = { 34, 53 };
const int Rainbow::RainbowAnalyzer::kFrameCount[] = { 6, 16 };
const int Rainbow::RainbowAnalyzer::kRainbowHeight[] = { 21, 16 };
const int Rainbow::RainbowAnalyzer::kRainbowOverlap[] = { 13, 15 };
const int Rainbow::RainbowAnalyzer::kSleepingHeight[] = { 24, 33 };
NyanCatAnalyzer::NyanCatAnalyzer(QWidget* parent)
const char* Rainbow::NyanCatAnalyzer::kName = "Nyanalyzer Cat";
const char* Rainbow::RainbowDashAnalyzer::kName = "Rainbow Dash";
const float Rainbow::RainbowAnalyzer::kPixelScale = 0.02f;
Rainbow::RainbowAnalyzer::RainbowType Rainbow::RainbowAnalyzer::rainbowtype;
Rainbow::RainbowAnalyzer::RainbowAnalyzer(const RainbowType& rbtype, QWidget* parent)
: Analyzer::Base(parent, 9),
cat_(":/nyancat.png"),
timer_id_(startTimer(kFrameIntervalMs)),
frame_(0),
current_buffer_(0),
@ -43,12 +55,15 @@ NyanCatAnalyzer::NyanCatAnalyzer(QWidget* parent)
px_per_frame_(0),
x_offset_(0),
background_brush_(QColor(0x0f, 0x43, 0x73)) {
rainbowtype = rbtype;
cat_dash_[0] = QPixmap(":/nyancat.png");
cat_dash_[1] = QPixmap(":/rainbowdash.png");
memset(history_, 0, sizeof(history_));
for (int i = 0; i < kRainbowBands; ++i) {
colors_[i] = QPen(QColor::fromHsv(i * 255 / kRainbowBands, 255, 255),
kCatHeight / kRainbowBands, Qt::SolidLine, Qt::FlatCap,
Qt::RoundJoin);
kRainbowHeight[rainbowtype] / kRainbowBands,
Qt::SolidLine, Qt::FlatCap, Qt::RoundJoin);
// pow constants computed so that
// | band_scale(0) | ~= .5 and | band_scale(5) | ~= 32
@ -57,29 +72,30 @@ NyanCatAnalyzer::NyanCatAnalyzer(QWidget* parent)
}
}
void NyanCatAnalyzer::transform(Scope& s) { fht_->spectrum(&s.front()); }
void Rainbow::RainbowAnalyzer::transform(Scope& s) { fht_->spectrum(&s.front()); }
void NyanCatAnalyzer::timerEvent(QTimerEvent* e) {
void Rainbow::RainbowAnalyzer::timerEvent(QTimerEvent* e) {
if (e->timerId() == timer_id_) {
frame_ = (frame_ + 1) % kCatFrameCount;
frame_ = (frame_ + 1) % kFrameCount[rainbowtype];
} else {
Analyzer::Base::timerEvent(e);
}
}
void NyanCatAnalyzer::resizeEvent(QResizeEvent* e) {
void Rainbow::RainbowAnalyzer::resizeEvent(QResizeEvent* e) {
// Invalidate the buffer so it's recreated from scratch in the next paint
// event.
buffer_[0] = QPixmap();
buffer_[1] = QPixmap();
available_rainbow_width_ = width() - kCatWidth + kRainbowOverlap;
available_rainbow_width_ = width() - kWidth[rainbowtype]
+ kRainbowOverlap[rainbowtype];
px_per_frame_ =
static_cast<float>(available_rainbow_width_) / (kHistorySize - 1) + 1;
x_offset_ = px_per_frame_ * (kHistorySize - 1) - available_rainbow_width_;
}
void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
void Rainbow::RainbowAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
bool new_frame) {
// Discard the second half of the transform
const int scope_size = s.size() / 2;
@ -113,13 +129,15 @@ void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
QPointF* dest = polyline;
float* source = history_;
const float top_of_cat =
static_cast<float>(height()) / 2 - static_cast<float>(kCatHeight) / 2;
const float top_of =
static_cast<float>(height()) / 2 - static_cast<float>(
kRainbowHeight[rainbowtype]) / 2;
for (int band = 0; band < kRainbowBands; ++band) {
// Calculate the Y position of this band.
const float y =
static_cast<float>(kCatHeight) / (kRainbowBands + 1) * (band + 0.5) +
top_of_cat;
static_cast<float>(kRainbowHeight[rainbowtype]) / (
kRainbowBands + 1) * (band + 0.5) +
top_of;
// Add each point in the line.
for (int x = 0; x < kHistorySize; ++x) {
@ -160,8 +178,8 @@ void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
x_offset_ + available_rainbow_width_ - px_per_frame_, 0);
buffer_painter.fillRect(
x_offset_ + available_rainbow_width_ - px_per_frame_, 0,
kCatWidth - kRainbowOverlap + px_per_frame_, height(),
background_brush_);
kWidth[rainbowtype] - kRainbowOverlap[rainbowtype] + px_per_frame_,
height(), background_brush_);
for (int band = kRainbowBands - 1; band >= 0; --band) {
buffer_painter.setPen(colors_[band]);
@ -174,12 +192,22 @@ void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
// Draw the buffer on to the widget
p.drawPixmap(0, 0, buffer_[current_buffer_], x_offset_, 0, 0, 0);
// Draw nyan cat (he's been waiting for this for 75 lines).
// Nyan nyan nyan nyan.
// Draw rainbow analyzer (nyan cat or rainbowdash)
// Nyan nyan nyan nyan dash dash dash dash.
if (!is_playing_) {
// Ssshhh!
p.drawPixmap(SleepingCatDestRect(), cat_, SleepingCatSourceRect());
p.drawPixmap(SleepingDestRect(rainbowtype), cat_dash_[rainbowtype],
SleepingSourceRect(rainbowtype));
} else {
p.drawPixmap(CatDestRect(), cat_, CatSourceRect());
p.drawPixmap(DestRect(rainbowtype), cat_dash_[rainbowtype],
SourceRect(rainbowtype));
}
}
Rainbow::NyanCatAnalyzer::NyanCatAnalyzer(QWidget* parent)
:RainbowAnalyzer(Rainbow::RainbowAnalyzer::Nyancat, parent) {
}
Rainbow::RainbowDashAnalyzer::RainbowDashAnalyzer(QWidget* parent)
:RainbowAnalyzer(Rainbow::RainbowAnalyzer::Dash, parent) {
}

91
src/analyzers/nyancatanalyzer.h → src/analyzers/rainbowanalyzer.h
View File

@ -2,7 +2,10 @@
Copyright 2011, Tyler Rhodes <tyler.s.rhodes@gmail.com>
Copyright 2011-2012, David Sansome <me@davidsansome.com>
Copyright 2011, 2014, John Maguire <john.maguire@gmail.com>
Copyright 2014, Alibek Omarov <a1ba.omarov@gmail.com>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2015, Arun Narayanankutty <n.arun.lifescience@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
@ -18,20 +21,24 @@
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANALYZERS_NYANCATANALYZER_H_
#define ANALYZERS_NYANCATANALYZER_H_
#ifndef ANALYZERS_RAINBOWANALYZER_H_
#define ANALYZERS_RAINBOWANALYZER_H_
#include "analyzerbase.h"
#include <QDateTime>
#include <QDateTime>
class NyanCatAnalyzer : public Analyzer::Base {
namespace Rainbow {
class RainbowAnalyzer : public Analyzer::Base {
Q_OBJECT
public:
Q_INVOKABLE NyanCatAnalyzer(QWidget* parent);
enum RainbowType {
Nyancat = 0,
Dash = 1
};
static const char* kName;
RainbowAnalyzer(const RainbowType& rbtype, QWidget* parent);
protected:
void transform(Analyzer::Scope&);
@ -41,11 +48,12 @@ class NyanCatAnalyzer : public Analyzer::Base {
void resizeEvent(QResizeEvent* e);
private:
static const int kCatHeight = 21;
static const int kCatWidth = 34;
static const int kCatFrameCount = 6;
static const int kRainbowOverlap = 13;
static const int kSleepingCatHeight = 24;
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;
@ -53,23 +61,28 @@ class NyanCatAnalyzer : public Analyzer::Base {
static const int kFrameIntervalMs = 150;
private:
inline QRect CatSourceRect() const {
return QRect(0, kCatHeight * frame_, kCatWidth, kCatHeight);
static RainbowType rainbowtype;
inline QRect SourceRect(RainbowType rainbowtype) const {
return QRect(0, kHeight[rainbowtype] * frame_,
kWidth[rainbowtype], kHeight[rainbowtype]);
}
inline QRect SleepingCatSourceRect() const {
return QRect(0, kCatHeight * kCatFrameCount, kCatWidth, kSleepingCatHeight);
inline QRect SleepingSourceRect(RainbowType rainbowtype) const {
return QRect(0, kHeight[rainbowtype] * kFrameCount[rainbowtype],
kWidth[rainbowtype], kSleepingHeight[rainbowtype]);
}
inline QRect CatDestRect() const {
return QRect(width() - kCatWidth, (height() - kCatHeight) / 2, kCatWidth,
kCatHeight);
inline QRect DestRect(RainbowType rainbowtype) const {
return QRect(width() - kWidth[rainbowtype], (height() -
kHeight[rainbowtype]) / 2, kWidth[rainbowtype],
kHeight[rainbowtype]);
}
inline QRect SleepingCatDestRect() const {
return QRect(width() - kCatWidth, (height() - kSleepingCatHeight) / 2,
kCatWidth, kSleepingCatHeight);
inline QRect SleepingDestRect(RainbowType rainbowtype) const {
return QRect(width() - kWidth[rainbowtype], (height() -
kSleepingHeight[rainbowtype]) / 2, kWidth[rainbowtype],
kSleepingHeight[rainbowtype]);
}
private:
@ -77,17 +90,18 @@ class NyanCatAnalyzer : public Analyzer::Base {
float band_scale_[kRainbowBands];
QPen colors_[kRainbowBands];
// Nyan cat!
QPixmap cat_;
// Rainbow Nyancat & Dash
QPixmap cat_dash_[2];
// For the nyan cat animation
// For the cat or dash animation
int timer_id_;
int frame_;
// The y positions of each point on the rainbow.
float history_[kHistorySize * kRainbowBands];
// A cache of the last frame's rainbow, so it can be used in the next frame.
// A cache of the last frame's rainbow,
// so it can be used in the next frame.
QPixmap buffer_[2];
int current_buffer_;
@ -98,11 +112,30 @@ class NyanCatAnalyzer : public Analyzer::Base {
// X spacing between each point in the polyline.
int px_per_frame_;
// Amount the buffer_ is shifted to the left (off the edge of the widget) to
// make the rainbow extend from 0 to available_rainbow_width_.
// Amount the buffer_ is shifted to the left (off the edge of the widget)
// to make the rainbow extend from 0 to available_rainbow_width_.
int x_offset_;
QBrush background_brush_;
};
#endif // ANALYZERS_NYANCATANALYZER_H_
class NyanCatAnalyzer : public RainbowAnalyzer {
Q_OBJECT
public:
Q_INVOKABLE NyanCatAnalyzer(QWidget* parent);
static const char* kName;
};
class RainbowDashAnalyzer : public RainbowAnalyzer {
Q_OBJECT
public:
Q_INVOKABLE RainbowDashAnalyzer(QWidget* parent);
static const char* kName;
};
}
#endif // ANALYZERS_RAINBOWANALYZER_H_

182
src/analyzers/rainbowdashanalyzer.cpp
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@ -1,182 +0,0 @@
/* This file is part of Clementine.
Copyright 2014, Alibek Omarov <a1ba.omarov@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Copyright 2014, David Sansome <me@davidsansome.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 "rainbowdashanalyzer.h"
#include <cmath>
#include <QTimerEvent>
#include <QBrush>
#include "core/arraysize.h"
#include "core/logging.h"
using Analyzer::Scope;
const char* RainbowDashAnalyzer::kName = "Rainbow Dash";
const float RainbowDashAnalyzer::kPixelScale = 0.02f;
RainbowDashAnalyzer::RainbowDashAnalyzer(QWidget* parent)
: Analyzer::Base(parent, 9),
dash_(":/rainbowdash.png"),
timer_id_(startTimer(kFrameIntervalMs)),
frame_(0),
current_buffer_(0),
available_rainbow_width_(0),
px_per_frame_(0),
x_offset_(0),
background_brush_(QColor(0x0f, 0x43, 0x73)) {
memset(history_, 0, sizeof(history_));
for (int i = 0; i < kRainbowBands; ++i) {
colors_[i] = QPen(QColor::fromHsv(i * 255 / kRainbowBands, 255, 255),
kRainbowHeight / kRainbowBands, Qt::SolidLine,
Qt::FlatCap, Qt::RoundJoin);
// pow constants computed so that
// | band_scale(0) | ~= .5 and | band_scale(5) | ~= 32
band_scale_[i] =
-std::cos(M_PI * i / (kRainbowBands - 1)) * 0.5 * std::pow(2.3, i);
}
}
void RainbowDashAnalyzer::transform(Scope& s) { fht_->spectrum(&s.front()); }
void RainbowDashAnalyzer::timerEvent(QTimerEvent* e) {
if (e->timerId() == timer_id_) {
frame_ = (frame_ + 1) % kDashFrameCount;
} else {
Analyzer::Base::timerEvent(e);
}
}
void RainbowDashAnalyzer::resizeEvent(QResizeEvent* e) {
// Invalidate the buffer so it's recreated from scratch in the next paint
// event.
buffer_[0] = QPixmap();
buffer_[1] = QPixmap();
available_rainbow_width_ = width() - kDashWidth + kRainbowOverlap;
px_per_frame_ =
static_cast<float>(available_rainbow_width_) / (kHistorySize - 1) + 1;
x_offset_ = px_per_frame_ * (kHistorySize - 1) - available_rainbow_width_;
}
void RainbowDashAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s,
bool new_frame) {
// Discard the second half of the transform
const int scope_size = s.size() / 2;
if ((new_frame && is_playing_) ||
(buffer_[0].isNull() && buffer_[1].isNull())) {
// Transform the music into rainbows!
for (int band = 0; band < kRainbowBands; ++band) {
float* band_start = history_ + band * kHistorySize;
// Move the history of each band across by 1 frame.
memmove(band_start, band_start + 1, (kHistorySize - 1) * sizeof(float));
}
// Now accumulate the scope data into each band. Should maybe use a series
// of band pass filters for this, so bands can leak into neighbouring bands,
// but for now it's a series of separate square filters.
const int samples_per_band = scope_size / kRainbowBands;
int sample = 0;
for (int band = 0; band < kRainbowBands; ++band) {
float accumulator = 0.0;
for (int i = 0; i < samples_per_band; ++i) {
accumulator += s[sample++];
}
history_[(band + 1) * kHistorySize - 1] = accumulator * band_scale_[band];
}
// Create polylines for the rainbows.
QPointF polyline[kRainbowBands * kHistorySize];
QPointF* dest = polyline;
float* source = history_;
const float top_of_Dash = static_cast<float>(height()) / 2 -
static_cast<float>(kRainbowHeight) / 2;
for (int band = 0; band < kRainbowBands; ++band) {
// Calculate the Y position of this band.
const float y = static_cast<float>(kRainbowHeight) / (kRainbowBands + 1) *
(band + 0.5) +
top_of_Dash;
// Add each point in the line.
for (int x = 0; x < kHistorySize; ++x) {
*dest = QPointF(px_per_frame_ * x, y + *source * kPixelScale);
++dest;
++source;
}
}
// Do we have to draw the whole rainbow into the buffer?
if (buffer_[0].isNull()) {
for (int i = 0; i < 2; ++i) {
buffer_[i] = QPixmap(QSize(width() + x_offset_, height()));
buffer_[i].fill(background_brush_.color());
}
current_buffer_ = 0;
QPainter buffer_painter(&buffer_[0]);
buffer_painter.setRenderHint(QPainter::Antialiasing);
for (int band = kRainbowBands - 1; band >= 0; --band) {
buffer_painter.setPen(colors_[band]);
buffer_painter.drawPolyline(&polyline[band * kHistorySize],
kHistorySize);
buffer_painter.drawPolyline(&polyline[band * kHistorySize],
kHistorySize);
}
} else {
const int last_buffer = current_buffer_;
current_buffer_ = (current_buffer_ + 1) % 2;
// We can just shuffle the buffer along a bit and draw the new frame's
// data.
QPainter buffer_painter(&buffer_[current_buffer_]);
buffer_painter.setRenderHint(QPainter::Antialiasing);
buffer_painter.drawPixmap(
0, 0, buffer_[last_buffer], px_per_frame_, 0,
x_offset_ + available_rainbow_width_ - px_per_frame_, 0);
buffer_painter.fillRect(
x_offset_ + available_rainbow_width_ - px_per_frame_, 0,
kDashWidth - kRainbowOverlap + px_per_frame_, height(),
background_brush_);
for (int band = kRainbowBands - 1; band >= 0; --band) {
buffer_painter.setPen(colors_[band]);
buffer_painter.drawPolyline(&polyline[(band + 1) * kHistorySize - 3],
3);
}
}
}
// Draw the buffer on to the widget
p.drawPixmap(0, 0, buffer_[current_buffer_], x_offset_, 0, 0, 0);
if (!is_playing_) {
// Ssshhh!
p.drawPixmap(SleepingDashDestRect(), dash_, SleepingDashSourceRect());
} else {
p.drawPixmap(DashDestRect(), dash_, DashSourceRect());
}
}

108
src/analyzers/rainbowdashanalyzer.h
View File

@ -1,108 +0,0 @@
/* This file is part of Clementine.
Copyright 2014, Alibek Omarov <a1ba.omarov@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2014, Krzysztof Sobiecki <sobkas@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 ANALYZERS_RAINBOWDASHANALYZER_H_
#define ANALYZERS_RAINBOWDASHANALYZER_H_
#include "analyzerbase.h"
#include <QDateTime>
class RainbowDashAnalyzer : public Analyzer::Base {
Q_OBJECT
public:
Q_INVOKABLE RainbowDashAnalyzer(QWidget* parent);
static const char* kName;
protected:
void transform(Analyzer::Scope&);
void analyze(QPainter& p, const Analyzer::Scope&, bool new_frame);
void timerEvent(QTimerEvent* e);
void resizeEvent(QResizeEvent* e);
private:
static const int kDashHeight = 33;
static const int kDashWidth = 53;
static const int kRainbowHeight = 16;
static const int kDashFrameCount = 16;
static const int kRainbowOverlap = 15;
static const int kSleepingDashHeight = 33;
static const int kHistorySize = 128;
static const int kRainbowBands = 6;
static const float kPixelScale;
static const int kFrameIntervalMs = 150;
private:
inline QRect DashSourceRect() const {
return QRect(0, kDashHeight * frame_, kDashWidth, kDashHeight);
}
inline QRect SleepingDashSourceRect() const {
return QRect(0, kDashHeight * kDashFrameCount, kDashWidth,
kSleepingDashHeight);
}
inline QRect DashDestRect() const {
return QRect(width() - kDashWidth, (height() - kDashHeight) / 2, kDashWidth,
kDashHeight);
}
inline QRect SleepingDashDestRect() const {
return QRect(width() - kDashWidth, (height() - kSleepingDashHeight) / 2,
kDashWidth, kSleepingDashHeight);
}
private:
// "constants" that get initialised in the constructor
float band_scale_[kRainbowBands];
QPen colors_[kRainbowBands];
QPixmap dash_;
// For the animation
int timer_id_;
int frame_;
// The y positions of each point on the rainbow.
float history_[kHistorySize * kRainbowBands];
// A cache of the last frame's rainbow, so it can be used in the next frame.
QPixmap buffer_[2];
int current_buffer_;
// Geometry information that's updated on resize:
// The width of the widget minus the space for the pony
int available_rainbow_width_;
// X spacing between each point in the polyline.
int px_per_frame_;
// Amount the buffer_ is shifted to the left (off the edge of the widget) to
// make the rainbow extend from 0 to available_rainbow_width_.
int x_offset_;
QBrush background_brush_;
};
#endif // ANALYZERS_RAINBOWDASHANALYZER_H_