19 lines
467 B
C++
19 lines
467 B
C++
#include "cold.h"
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void cold(QImage &src, int delta)
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{
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int rows = src.height();
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int cols = src.width();
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for (int i = 0; i < rows; i++)
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{
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QRgb *line = (QRgb *)src.scanLine(i);
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for (int j = 0; j < cols; j++)
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{
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int r = qRed(line[j]);
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int g = qGreen(line[j]);
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int b = qBlue(line[j]) + delta;
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b = qBound(0, b, 255);
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src.setPixel(j, i, qRgb(r, g, b));
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}
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}
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}
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