hyperion.ng/libsrc/hyperion/ImageProcessor.cpp
T. van der Zwan 39b98386dd Added simple QT-based grabber.
Moved ImageToLedsMap from include to libsrc.
Moved instantiation of objects to Hyperion (no JSON required outside this class).
2013-08-13 11:10:45 +02:00

66 lines
1.5 KiB
C++

#include <hyperion/ImageProcessor.h>
#include "ImageToLedsMap.h"
#include "ColorTransform.h"
using namespace hyperion;
ImageProcessor::ImageProcessor(const LedString& ledString) :
mLedString(ledString),
mBuffer(nullptr),
mImageToLeds(nullptr)
{
// empty
}
ImageProcessor::~ImageProcessor()
{
delete mImageToLeds;
delete mBuffer;
}
std::vector<RgbColor> ImageProcessor::process(const RgbImage& image)
{
// Ensure that the buffer-image is the proper size
setSize(image.width(), image.height());
// Copy the data of the given image into the mapped-image
mBuffer->copy(image);
// Create a result vector and call the 'in place' functionl
std::vector<RgbColor> colors(mLedString.leds().size(), RgbColor::BLACK);
inplace_process(colors);
// return the computed colors
return colors;
}
void ImageProcessor::setSize(const unsigned width, const unsigned height)
{
// Check if the existing buffer-image is already the correct dimensions
if (mBuffer && mBuffer->width() == width && mBuffer->height() == height)
{
return;
}
// Clean up the old buffer and mapping
delete mImageToLeds;
delete mBuffer;
// Construct a new buffer and mapping
mBuffer = new RgbImage(width, height);
mImageToLeds = new ImageToLedsMap(*mBuffer, mLedString.leds());
}
RgbImage& ImageProcessor::image()
{
return *mBuffer;
}
void ImageProcessor::inplace_process(std::vector<RgbColor>& ledColors)
{
// Determine the mean-colors of each led (using the existing mapping)
mImageToLeds->getMeanLedColor(ledColors);
}