FGFS-4.1/OpenSceneGraph
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Added handling of case when only one colour is used.

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This commit is contained in:
Robert Osfield 2004-06-03 10:16:19 +00:00
parent 5d97f7ec92
commit a92a9d0f22
1 changed files with 4 additions and 2 deletions
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6
src/osgSim/ScalarBar.cpp
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@ -119,6 +119,8 @@ void ScalarBar::createDrawables()
// Remove any existing Drawables
_drawables.erase(_drawables.begin(), _drawables.end());
if (_numColors==0) return;
osg::Matrix matrix;
if(_orientation==HORIZONTAL)
{
@ -189,8 +191,8 @@ void ScalarBar::createDrawables()
osgText::Font* font = osgText::readFontFile(_textProperties._fontFile.c_str());
std::vector<osgText::Text*> texts(_numLabels); // We'll need to collect pointers to these for later
float labelIncr = (_stc->getMax()-_stc->getMin())/(_numLabels-1);
float labelxIncr = (_width)/(_numLabels-1);
float labelIncr = (_numLabels>0) ? (_stc->getMax()-_stc->getMin())/(_numLabels-1) : 0.0f;
float labelxIncr = (_numLabels>0) ? (_width)/(_numLabels-1) : 0.0f;
float labely = arOffset + characterSize*0.3f;
for(i=0; i<_numLabels; ++i)
{