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34 lines
747 B
C++
34 lines
747 B
C++
#include "PixRaster.h"
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NAMESPACE_UPP
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// toplevel scale function
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Pix Pix::Scale(double scalex, double scaley)
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{
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if(IsEmpty())
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return Pix();
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PIX *dPix = pixScale(pix, (l_float32)scalex, (l_float32)scaley);
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if(!dPix)
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return Pix();
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return Pix(&dPix);
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}
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Pix Pix::Fit(int width, int height, bool keepRatio)
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{
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// gets original sizes
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int w = GetWidth();
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int h = GetHeight();
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// gets scale factor in both directions
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double xScale = (double)width / (double)w;
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double yScale = (double)height / (double)h;
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if(keepRatio)
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{
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xScale = min(xScale, yScale);
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yScale = xScale;
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}
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return Scale(xScale, yScale);
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}
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END_UPP_NAMESPACE
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