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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| #include "colortransitionwidget.hpp" | ||
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| ColorTransitionWidget::ColorTransitionWidget(QWidget *parent) | ||
| : QWidget(parent) | ||
| , m_duration(250) | ||
| , m_fps(60) | ||
| , m_transitionTimer(this) | ||
| { | ||
| setup(); | ||
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| connect(&m_transitionTimer, SIGNAL(timeout()), this, SLOT(onTimeout())); | ||
| } | ||
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| ColorTransitionWidget::~ColorTransitionWidget() | ||
| { | ||
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| } | ||
|
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| void ColorTransitionWidget::stopTransition() | ||
| { | ||
| m_transitionTimer.stop(); | ||
| } | ||
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| void ColorTransitionWidget::setTransitionDuration(int duration) | ||
| { | ||
| m_duration = duration; | ||
| } | ||
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| int ColorTransitionWidget::transitionDuration() | ||
| { | ||
| return m_duration; | ||
| } | ||
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| void ColorTransitionWidget::setTransitionFps(int fps) | ||
| { | ||
| m_fps = fps; | ||
| } | ||
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| int ColorTransitionWidget::transitionFps() | ||
| { | ||
| return m_fps; | ||
| } | ||
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| void ColorTransitionWidget::setColor(const QColor &color) | ||
| { | ||
| QPalette palette; | ||
| palette.setColor(QPalette::Background, color); | ||
| setPalette(palette); | ||
| } | ||
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| QColor ColorTransitionWidget::color() const | ||
| { | ||
| return palette().color(QPalette::Background); | ||
| } | ||
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| void ColorTransitionWidget::startTransition(const QColor &color) | ||
| { | ||
| m_currentStep = 0; | ||
| m_totalSteps = static_cast<double>(m_fps * m_duration) / 1000.0; | ||
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| QColor current = this->color(); | ||
| m_r = current.red(); | ||
| m_g = current.green(); | ||
| m_b = current.blue(); | ||
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| m_stepR = (static_cast<double>(color.red()) - m_r) / static_cast<double>(m_totalSteps); | ||
| m_stepG = (static_cast<double>(color.green()) - m_g) / static_cast<double>(m_totalSteps); | ||
| m_stepB = (static_cast<double>(color.blue()) - m_b) / static_cast<double>(m_totalSteps); | ||
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| m_transitionTimer.start(1.0 / static_cast<double>(m_fps) * 1000.0); | ||
| emit transitionStarted(); | ||
| } | ||
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| void ColorTransitionWidget::onTimeout() | ||
| { | ||
| m_currentStep++; | ||
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| m_r += m_stepR; | ||
| m_g += m_stepG; | ||
| m_b += m_stepB; | ||
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| setColor(QColor(m_r, m_g, m_b)); | ||
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| if (m_currentStep == m_totalSteps) | ||
| { | ||
| m_transitionTimer.stop(); | ||
| emit transitionFinished(); | ||
| } | ||
| } | ||
|
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| void ColorTransitionWidget::setup() | ||
| { | ||
| setAutoFillBackground(true); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| #ifndef COLORTRANSITIONWIDGET_HPP | ||
| #define COLORTRANSITIONWIDGET_HPP | ||
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| #include <QColor> | ||
| #include <QPalette> | ||
| #include <QTimer> | ||
| #include <QWidget> | ||
|
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| class ColorTransitionWidget : public QWidget | ||
| { | ||
| Q_OBJECT | ||
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| public: | ||
| ColorTransitionWidget(QWidget *parent = nullptr); | ||
| ~ColorTransitionWidget(); | ||
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| void setTransitionDuration(int duration); | ||
| int transitionDuration(); | ||
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| void setTransitionFps(int fps); | ||
| int transitionFps(); | ||
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| void setColor(const QColor &color); | ||
| QColor color() const; | ||
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| void startTransition(const QColor &color); | ||
| void stopTransition(); | ||
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| signals: | ||
| void transitionStarted(); | ||
| void transitionFinished(); | ||
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| private slots: | ||
| void onTimeout(); | ||
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| private: | ||
| void setup(); | ||
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| int m_duration; | ||
| int m_fps; | ||
| int m_totalSteps; | ||
| int m_currentStep; | ||
|
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| double m_stepR; | ||
| double m_stepG; | ||
| double m_stepB; | ||
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| double m_r; | ||
| double m_g; | ||
| double m_b; | ||
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| QTimer m_transitionTimer; | ||
| }; | ||
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| #endif // COLORTRANSITIONWIDGET_HPP |