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Fix unsigned underflow.

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This commit is contained in:
Hermann Kraus 2011-12-23 15:01:28 +01:00
parent d0e3f683ed
commit 656749de14
1 changed files with 1 additions and 1 deletions
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src/raster_colorizer.cpp
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@ -138,7 +138,7 @@ void raster_colorizer::colorize(raster_ptr const& raster,const std::map<std::str
inline unsigned interpolate(unsigned start, unsigned end, float fraction) inline unsigned interpolate(unsigned start, unsigned end, float fraction)
{ {
return static_cast<unsigned>(fraction * (end - start) + start); return static_cast<unsigned>(fraction * ((float)end - (float)start) + start);
} }
color raster_colorizer::get_color(float value) const { color raster_colorizer::get_color(float value) const {