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Changed RgbImage to template based Image (with template for pixel type)

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Former-commit-id: ef02f164eaf3c2f9dd552c1c17b525cf6eed499c
This commit is contained in:
T. van der Zwan
2013-11-11 09:00:37 +00:00
parent 90f1f282e2
commit dd16af0df5
58 changed files with 593 additions and 464 deletions
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52
libsrc/hyperion/ImageToLedsMap.cpp
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@@ -1,9 +1,10 @@
// STL includes
#include <algorithm>
#include <cassert>
// hyperion includes
#include "ImageToLedsMap.h"
#include <hyperion/ImageToLedsMap.h>
using namespace hyperion;
@@ -61,52 +62,3 @@ unsigned ImageToLedsMap::height() const
{
return _height;
}
std::vector<RgbColor> ImageToLedsMap::getMeanLedColor(const RgbImage & image) const
{
std::vector<RgbColor> colors(mColorsMap.size(), RgbColor::BLACK);
getMeanLedColor(image, colors);
return colors;
}
void ImageToLedsMap::getMeanLedColor(const RgbImage & image, std::vector<RgbColor> & ledColors) const
{
// Sanity check for the number of leds
assert(mColorsMap.size() == ledColors.size());
// Iterate each led and compute the mean
auto led = ledColors.begin();
for (auto ledColors = mColorsMap.begin(); ledColors != mColorsMap.end(); ++ledColors, ++led)
{
const RgbColor color = calcMeanColor(image, *ledColors);
*led = color;
}
}
RgbColor ImageToLedsMap::calcMeanColor(const RgbImage & image, const std::vector<unsigned> & colors) const
{
if (colors.size() == 0)
{
return RgbColor::BLACK;
}
// Accumulate the sum of each seperate color channel
uint_fast16_t cummRed = 0;
uint_fast16_t cummGreen = 0;
uint_fast16_t cummBlue = 0;
for (const unsigned colorOffset : colors)
{
const RgbColor& color = image.memptr()[colorOffset];
cummRed += color.red;
cummGreen += color.green;
cummBlue += color.blue;
}
// Compute the average of each color channel
const uint8_t avgRed = uint8_t(cummRed/colors.size());
const uint8_t avgGreen = uint8_t(cummGreen/colors.size());
const uint8_t avgBlue = uint8_t(cummBlue/colors.size());
// Return the computed color
return {avgRed, avgGreen, avgBlue};
}