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

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This commit is contained in:
Nyall Dawson 2016-08-24 14:12:34 +10:00
parent b7716aa7fb
commit 1d98b10904
1 changed files with 4 additions and 1 deletions
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5
src/core/qgscolorramp.cpp
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@ -313,8 +313,11 @@ double QgsLimitedRandomColorRamp::value( int index ) const
QColor QgsLimitedRandomColorRamp::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 );