100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
#include "svkernelv2.h"
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SvKernelV2::SvKernelV2()
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{
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}
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SvKernelV2::~SvKernelV2()
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{
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}
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int SvKernelV2::rgbDiff(QRgb left, QRgb right)
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{
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QColor cLeft(left);
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QColor cRight(right);
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int leftDiff = max(qBlue(left), qRed(left), qGreen(left)) -
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min(qBlue(left), qRed(left), qGreen(left));
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int rightDiff = max(qBlue(right), qRed(right), qGreen(right)) -
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min(qBlue(right), qRed(right), qGreen(right));
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int minDiff= leftDiff < rightDiff ? rightDiff : leftDiff;
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int diff = cLeft.value() - cRight.value();
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int hsvDiff = minDiff > 70 ? abs(cLeft.hsvHue() - cRight.hsvHue()) : 0;
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if (hsvDiff > 180) {
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hsvDiff = 360 - hsvDiff;
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}
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int dsign = sign(diff);
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dsign = dsign == 0 ? 1 : dsign;
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return /*dsign * ((rightDiff - leftDiff)>>2) + */diff /*+ (hsvDiff > 5 ? dsign * 10 : 0)*/;
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}
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void SvKernelV2::exec(int line)
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{
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QRgb vtop, top, right, bottom, vbottom, _xy, xy;
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int __dX, _dX, dX, dX_,
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__dY, _dY, dY, dY_;
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int value;
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for (int x = 0; x < m_result->getWidth(); x++) {
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value = 0;
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vtop = m_left->getPixelRGB(x - 1, line - 3);
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top = m_left->getPixelRGB(x - 1, line - 2);
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right = m_left->getPixelRGB(x, line - 1);
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bottom = m_left->getPixelRGB(x - 1, line);
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vbottom = m_left->getPixelRGB(x - 1, line + 1);
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xy = m_left->getPixelRGB(x - 1, line - 1);
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dX_ = rgbDiff(_xy, right);
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dY_ = rgbDiff(vtop, top);
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dY = rgbDiff(top, _xy);
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_dY = rgbDiff(_xy, bottom);
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__dY = rgbDiff(bottom, vbottom);
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if ( dX >= _dX && dX > dX_ ||
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dX <= _dX && dX < dX_) {
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if (dX == _dX) {
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if (dX > dX_ && _dX > __dX ||
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dX < dX_ && _dX < __dX) {
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value += abs(dX);
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}
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} else {
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value += abs(dX);
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}
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}
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if ( dY >= _dY && dY > dY_ ||
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dY <= _dY && dY < dY_) {
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if (dY == _dY) {
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if (dY > dY_ && _dY > __dY ||
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dY < dY_ && _dY < __dY) {
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value += abs(dY);
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}
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} else {
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value += abs(dY);
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}
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}
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if (value > 0) {
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m_result->putGrayPixel(x - 1, line - 1, value);
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}
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__dX = _dX;
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_dX = dX;
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dX = dX_;
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_xy = right;
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}
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}
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