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Added doxygen comments

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T. van der Zwan 2013-09-06 19:26:58 +00:00
parent 3187fc84a6
commit d2d7265f02
8 changed files with 301 additions and 55 deletions
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33
include/dispmanx-grabber/DispmanxWrapper.h
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@ -22,33 +22,58 @@ class DispmanxWrapper: public QObject
{
Q_OBJECT
public:
///
/// Constructs the dispmanx frame grabber with a specified grab size and update rate.
///
/// @param[in] grabWidth The width of the grabbed image [pixels]
/// @param[in] grabHeight The height of the grabbed images [pixels]
/// @param[in] updateRate_Hz The image grab rate [Hz]
/// @param[in] hyperion The instance of Hyperion used to write the led values
///
DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion);
///
/// Destructor of this dispmanx frame grabber. Releases any claimed resources.
///
virtual ~DispmanxWrapper();
signals:
void ledValues(const unsigned priority, const std::vector<RgbColor> ledColors, const unsigned timeout_ms);
public slots:
///
/// Starts the grabber wich produces led values with the specified update rate
///
void start();
///
/// Performs a single frame grab and computes the led-colors
///
void action();
///
/// Stops the grabber
///
void stop();
private:
/// The update rate [Hz]
const int _updateInterval_ms;
/// The timeout of the led colors [ms]
const int _timeout_ms;
/// The priority of the led colors [ms]
const int _priority;
/// The timer for generating events with the specified update rate
QTimer _timer;
/// The image used for grabbing frames
RgbImage _image;
/// The actual grabber
DispmanxFrameGrabber * _frameGrabber;
/// The processor for transforming images to led colors
ImageProcessor * _processor;
/// The list with computed led colors
std::vector<RgbColor> _ledColors;
/// Pointer to Hyperion for writing led values
Hyperion * _hyperion;
};

100
include/hyperion/Hyperion.h
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@ -19,65 +19,161 @@
class HsvTransform;
class ColorTransform;
///
/// 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
};
///
/// 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, RgbColor &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, std::vector<RgbColor> &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;
static LedDevice* constructDevice(const Json::Value & deviceConfig);
static LedDevice * constructDevice(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 ColorTransform * createColorTransform(const Json::Value & colorConfig);
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<RgbColor>& 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;
/// The actual LedDevice
LedDevice* _device;
/// The timer for handling priority channel timeouts
QTimer _timer;
};

68
include/hyperion/ImageProcessor.h
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@ -14,57 +14,71 @@ namespace hyperion {
class BlackBorderProcessor;
}
/**
* The ImageProcessor translates an RGB-image to RGB-values for the leds. The processing is
* performed in two steps. First the average color per led-region is computed. Second a
* color-tranform is applied based on a gamma-correction.
*/
///
/// The ImageProcessor translates an RGB-image to RGB-values for the leds. The processing is
/// performed in two steps. First the average color per led-region is computed. Second a
/// color-tranform is applied based on a gamma-correction.
///
class ImageProcessor
{
public:
~ImageProcessor();
/**
* Specifies the width and height of 'incomming' images. This will resize the buffer-image to
* match the given size.
* NB All earlier obtained references will be invalid.
*
* @param[in] width The new width of the buffer-image
* @param[in] height The new height of the buffer-image
*/
///
/// Specifies the width and height of 'incomming' images. This will resize the buffer-image to
/// match the given size.
/// NB All earlier obtained references will be invalid.
///
/// @param[in] width The new width of the buffer-image
/// @param[in] height The new height of the buffer-image
///
void setSize(const unsigned width, const unsigned height);
/**
* Processes the image to a list of led colors. This will update the size of the buffer-image
* if required and call the image-to-leds mapping to determine the mean color per led.
*
* @param[in] image The image to translate to led values
*
* @return The color value per led
*/
///
/// Processes the image to a list of led colors. This will update the size of the buffer-image
/// if required and call the image-to-leds mapping to determine the mean color per led.
///
/// @param[in] image The image to translate to led values
///
/// @return The color value per led
///
std::vector<RgbColor> process(const RgbImage& image);
/**
* Determines the led colors of the image in the buffer.
*
* @param[out] ledColors The color value per led
*/
///
/// Determines the led colors of the image in the buffer.
///
/// @param[out] ledColors The color value per led
///
void process(const RgbImage& image, std::vector<RgbColor>& ledColors);
private:
/// Friend declaration of the factory for creating ImageProcessor's
friend class ImageProcessorFactory;
///
/// Constructs an image-processor for translating an image to led-color values based on the
/// given led-string specification
///
/// @param[in] ledString The led-string specification
///
ImageProcessor(const LedString &ledString);
///
/// Performs black-border detection (if enabled) on the given image
///
/// @param[in] image The image to perform black-border detection on
///
void verifyBorder(const RgbImage& image);
private:
/// The Led-string specification
const LedString mLedString;
/// Flag the enables(true)/disabled(false) blackborder detector
bool _enableBlackBorderRemoval;
/// The processor for black border detection
hyperion::BlackBorderProcessor* _borderProcessor;
/// The mapping of image-pixels to leds
hyperion::ImageToLedsMap* mImageToLeds;
};

20
include/hyperion/ImageProcessorFactory.h
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@ -11,16 +11,36 @@
// Forward class declaration
class ImageProcessor;
///
/// The ImageProcessor is a singleton factor for creating ImageProcessors that translate images to
/// led color values.
///
class ImageProcessorFactory
{
public:
///
/// Returns the 'singleton' instance (creates the singleton if it does not exist)
///
/// @return The singleton instance of the ImageProcessorFactory
///
static ImageProcessorFactory& getInstance();
public:
///
/// Initialises this factory with the given led-configuration
///
/// @param[in] ledString The led configuration
///
void init(const LedString& ledString);
///
/// Creates a new ImageProcessor. The onwership of the processor is transferred to the caller.
///
/// @return The newly created ImageProcessor
///
ImageProcessor* newImageProcessor() const;
private:
/// The Led-string specification
LedString _ledString;
};

3
include/hyperion/LedDevice.h
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@ -6,6 +6,9 @@
// Utility includes
#include <utils/RgbColor.h>
///
/// Interface (pure virtual base class) for LedDevices.
///
class LedDevice
{
public:

62
include/hyperion/LedString.h
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@ -12,49 +12,67 @@
// Forward class declarations
namespace Json { class Value; }
/**
* The Led structure contains the definition of the image portion used to determine a single led's
* color.
* <pre>
* |--------------------image--|
* | minX maxX |
* | |-----|minY |
* | | | |
* | |-----|maxY |
* | |
* | |
* | |
* |---------------------------|
* <endpre>
*/
///
/// The Led structure contains the definition of the image portion used to determine a single led's
/// color.
/// <pre>
/// |--------------------image--|
/// | minX maxX |
/// | |-----|minY |
/// | | | |
/// | |-----|maxY |
/// | |
/// | |
/// | |
/// |---------------------------|
/// <endpre>
///
struct Led
{
/** The index of the led */
/// The index of the led
unsigned index;
/** The minimum vertical scan line included for this leds color */
/// The minimum vertical scan line included for this leds color
double minX_frac;
/** The maximum vertical scan line included for this leds color */
/// The maximum vertical scan line included for this leds color
double maxX_frac;
/** The minimum horizontal scan line included for this leds color */
/// The minimum horizontal scan line included for this leds color
double minY_frac;
/** The maximum horizontal scan line included for this leds color */
/// The maximum horizontal scan line included for this leds color
double maxY_frac;
};
///
/// The LedString contains the image integration information of the leds
///
class LedString
{
public:
static LedString construct(const Json::Value& ledConfig);
///
/// Constructs the LedString with no leds
///
LedString();
///
/// Destructor of this LedString
///
~LedString();
///
/// Returns the led specifications
///
/// @return The list with led specifications
///
std::vector<Led>& leds();
///
/// Returns the led specifications
///
/// @return The list with led specifications
///
const std::vector<Led>& leds() const;
private:
/// The list with led specifications
std::vector<Led> mLeds;
};

69
include/hyperion/PriorityMuxer.h
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@ -15,43 +15,112 @@
// Hyperion includes
#include <hyperion/LedDevice.h>
///
/// The PriorityMuxer handles the priority channels. Led values input is written to the priority map
/// and the muxer keeps track of all active priorities. The current priority can be queried and per
/// priority the led colors.
///
class PriorityMuxer
{
public:
///
/// The information structure for a single priority channel
///
struct InputInfo
{
/// The priority of this channel
int priority;
/// The absolute timeout of the channel
int64_t timeoutTime_ms;
/// The colors for each led of the channel
std::vector<RgbColor> ledColors;
};
///
/// Constructs the PriorityMuxer for the given number of leds (used to switch to black when
/// there are no priority channels
///
/// @param ledCount The number of leds
///
PriorityMuxer(int ledCount);
///
/// Destructor
///
~PriorityMuxer();
///
/// Returns the current priority
///
/// @return The current priority
///
int getCurrentPriority() const;
///
/// Returns the state (enabled/disabled) of a specific priority channel
/// @param priority The priority channel
/// @return True if the priority channel exists else false
///
bool hasPriority(const int priority) const;
///
/// Returns the number of active priorities
///
/// @return The list with active priorities
///
QList<int> getPriorities() const;
///
/// Returns the information of a specified priority channel
///
/// @param priority The priority channel
///
/// @return The information for the specified priority channel
///
/// @throws std::runtime_error if the priority channel does not exist
///
const InputInfo& getInputInfo(const int priority) const;
///
/// Sets/Updates the data for a priority channel
///
/// @param[in] priority The priority of the channel
/// @param[in] ledColors The led colors of the priority channel
/// @param[in] timeoutTime_ms The absolute timeout time of the channel
///
void setInput(const int priority, const std::vector<RgbColor>& ledColors, const int64_t timeoutTime_ms=-1);
///
/// Clears the specified priority channel
///
/// @param[in] priority The priority of the channel to clear
///
void clearInput(const int priority);
///
/// Clears all priority channels
///
void clearAll();
///
/// Updates the current time. Channels with a configured time out will be checked and cleared if
/// required.
///
/// @param[in] now The current time
///
void setCurrentTime(const int64_t& now);
private:
/// The current priority (lowest value in _activeInputs)
int _currentPriority;
/// The mapping from priority channel to led-information
QMap<int, InputInfo> _activeInputs;
/// The information of the lowest priority channel
InputInfo _lowestPriorityInfo;
/// The lowest possible priority, which is used when no priority channels are active
const static int LOWEST_PRIORITY = std::numeric_limits<int>::max();
};

1
libsrc/hyperion/LedString.cpp
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@ -17,6 +17,7 @@ LedString::LedString()
LedString::~LedString()
{
// empty
}
std::vector<Led>& LedString::leds()