27 lines
600 B
C++
27 lines
600 B
C++
// This code is in the public domain -- castanyo@yahoo.es
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#include "BitMap.h"
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using namespace nv;
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void BitMap::resize(uint w, uint h, bool initValue)
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{
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BitArray tmp(w*h);
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if (initValue) tmp.setAll();
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else tmp.clearAll();
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// @@ Copying one bit at a time. This could be much faster.
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for (uint y = 0; y < m_height; y++)
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{
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for (uint x = 0; x < m_width; x++)
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{
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//tmp.setBitAt(y*w + x, bitAt(x, y));
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if (bitAt(x, y) != initValue) tmp.toggleBitAt(y*w + x);
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}
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}
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swap(m_bitArray, tmp);
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m_width = w;
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m_height = h;
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}
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