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Fix limited random color ramp always returns 1 less color than set

(cherry-picked from 1d98b10)
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nyalldawson committed Aug 25, 2016
1 parent 38f4f08 commit b8ec8c9d07f0bd5fa34b4138a2849f81637e0d58
Showing with 4 additions and 1 deletion.
  1. +4 −1 src/core/symbology-ng/qgsvectorcolorrampv2.cpp
@@ -313,8 +313,11 @@ double QgsVectorRandomColorRampV2::value( int index ) const

QColor QgsVectorRandomColorRampV2::color( double value ) const
{
if ( value < 0 || value > 1 )
return QColor();

int colorCnt = mColors.count();
int colorIdx = static_cast< int >( value * ( colorCnt - 1 ) );
int colorIdx = qMin( static_cast< int >( value * colorCnt ), colorCnt - 1 );

if ( colorIdx >= 0 && colorIdx < colorCnt )
return mColors.at( colorIdx );

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