hyperion.ng/include/hyperion/Hyperion.h
johan 5454ddb375 Added skeleton for effect engine development
Former-commit-id: e1fb69fd4de4b8968075660e3ba7f7add021c152
2013-11-24 16:10:48 +01:00

215 lines
6.2 KiB
C++

#pragma once
// stl includes
#include <list>
// QT includes
#include <QObject>
#include <QTimer>
// hyperion-utils includes
#include <utils/Image.h>
// Hyperion includes
#include <hyperion/LedString.h>
#include <hyperion/LedDevice.h>
#include <hyperion/PriorityMuxer.h>
// Forward class declaration
class HsvTransform;
class ColorTransform;
class EffectEngine;
///
/// The main class of Hyperion. This gives other 'users' access to the attached LedDevice through
/// the priority muxer.
///
class Hyperion : public QObject
{
Q_OBJECT
public:
/// Type definition of the info structure used by the priority muxer
typedef PriorityMuxer::InputInfo InputInfo;
///
/// RGB-Color channel enumeration
///
enum Color
{
RED, GREEN, BLUE, INVALID
};
///
/// Enumeration of the possible color (color-channel) transforms
///
enum Transform
{
SATURATION_GAIN, VALUE_GAIN, THRESHOLD, GAMMA, BLACKLEVEL, WHITELEVEL
};
/// Enumeration containing the possible orders of device color byte data
enum ColorOrder
{
ORDER_RGB, ORDER_RBG, ORDER_GRB, ORDER_BRG, ORDER_GBR, ORDER_BGR
};
///
/// Constructs the Hyperion instance based on the given Json configuration
///
/// @param[in] jsonConfig The Json configuration
///
Hyperion(const Json::Value& jsonConfig);
///
/// Destructor; cleans up resourcess
///
~Hyperion();
///
/// Returns the number of attached leds
///
unsigned getLedCount() const;
///
/// Writes a single color to all the leds for the given time and priority
///
/// @param[in] priority The priority of the written color
/// @param[in] ledColor The color to write to the leds
/// @param[in] timeout_ms The time the leds are set to the given color [ms]
///
void setColor(int priority, const ColorRgb &ledColor, const int timeout_ms);
///
/// Writes the given colors to all leds for the given time and priority
///
/// @param[in] priority The priority of the written colors
/// @param[in] ledColors The colors to write to the leds
/// @param[in] timeout_ms The time the leds are set to the given colors [ms]
///
void setColors(int priority, const std::vector<ColorRgb> &ledColors, const int timeout_ms);
///
/// Sets/Updates a part of the color transformation.
///
/// @param[in] transform The type of transform to configure
/// @param[in] color The color channel to which the transform applies (only applicable for
/// Transform::THRESHOLD, Transform::GAMMA, Transform::BLACKLEVEL,
/// Transform::WHITELEVEL)
/// @param[in] value The new value for the given transform
///
void setTransform(Transform transform, Color color, double value);
///
/// Clears the given priority channel. This will switch the led-colors to the colors of the next
/// lower priority channel (or off if no more channels are set)
///
/// @param[in] priority The priority channel
///
void clear(int priority);
///
/// Clears all priority channels. This will switch the leds off until a new priority is written.
///
void clearall();
///
/// Returns the value of a specific color transform
///
/// @param[in] transform The type of transform
/// @param[in] color The color channel to which the transform applies (only applicable for
/// Transform::THRESHOLD, Transform::GAMMA, Transform::BLACKLEVEL,
/// Transform::WHITELEVEL)
///
/// @return The value of the specified color transform
///
double getTransform(Transform transform, Color color) const;
///
/// Returns a list of active priorities
///
/// @return The list with priorities
///
QList<int> getActivePriorities() const;
///
/// Returns the information of a specific priorrity channel
///
/// @param[in] priority The priority channel
///
/// @return The information of the given
///
/// @throw std::runtime_error when the priority channel does not exist
///
const InputInfo& getPriorityInfo(const int priority) const;
/// Get the list of available effects
/// @return The list of available effects
std::list<std::string> getEffects() const;
/// Run the specified effect on the given priority channel and optionally specify a timeout
/// @param effectName Name of the effec to run
/// @param priority The priority channel of the effect
/// @param timout The timeout of the effect (after the timout, the effect will be cleared)
int setEffect(const std::string & effectName, int priority, int timeout = -1);
public:
static LedDevice * createDevice(const Json::Value & deviceConfig);
static ColorOrder createColorOrder(const Json::Value & deviceConfig);
static LedString createLedString(const Json::Value & ledsConfig);
static HsvTransform * createHsvTransform(const Json::Value & hsvConfig);
static ColorTransform * createColorTransform(const Json::Value & colorConfig);
static LedDevice * createColorSmoothing(const Json::Value & smoothingConfig, LedDevice * ledDevice);
signals:
/// Signal which is emitted when a priority channel is actively cleared
/// This signal will not be emitted when a priority channel time out
void channelCleared(int priority);
/// Signal which is emitted when all priority channels are actively cleared
/// This signal will not be emitted when a priority channel time out
void allChannelsCleared();
private slots:
///
/// Updates the priority muxer with the current time and (re)writes the led color with applied
/// transforms.
///
void update();
private:
///
/// Applies all color transmforms to the given list of colors. The transformation is performed
/// in place.
///
/// @param colors The colors to be transformed
///
void applyTransform(std::vector<ColorRgb>& colors) const;
/// The specifiation of the led frame construction and picture integration
LedString _ledString;
/// The priority muxer
PriorityMuxer _muxer;
/// The HSV Transform for applying Saturation and Value transforms
HsvTransform * _hsvTransform;
/// The RED-Channel (RGB) transform
ColorTransform * _redTransform;
/// The GREEN-Channel (RGB) transform
ColorTransform * _greenTransform;
/// The BLUE-Channel (RGB) transform
ColorTransform * _blueTransform;
/// Value with the desired color byte order
ColorOrder _colorOrder;
/// The actual LedDevice
LedDevice * _device;
/// Effect engine
EffectEngine * _effectEngine;
/// The timer for handling priority channel timeouts
QTimer _timer;
};