hyperion.ng/include/hyperion/ImageProcessor.h
johan ee7a596d53 - HSV transform added
- Moved transform of led values to before the device write so transform changes are taken into account
2013-08-21 21:50:17 +02:00

61 lines
1.6 KiB
C++

#pragma once
// Utils includes
#include <utils/RgbImage.h>
#include <hyperion/LedString.h>
#include <hyperion/ImageProcessorFactory.h>
// Forward class declaration
namespace hyperion { class ImageToLedsMap; }
/**
* 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
*/
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
*/
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
*/
void process(const RgbImage& image, std::vector<RgbColor>& ledColors);
private:
friend class ImageProcessorFactory;
ImageProcessor(const LedString &ledString);
private:
const LedString mLedString;
hyperion::ImageToLedsMap* mImageToLeds;
};