Panner: Use appropriate backdrop when switching projections.
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@ -40,6 +40,7 @@ Panner::Panner ( int X, int Y, int W, int H, const char *L ) :
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{
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_bg_image = 0;
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_bg_image_scaled = 0;
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_bg_image_projection = 0;
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_range = 15.0f;
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// _projection = POLAR;
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_points.push_back( Point( 1, 0 ) );
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@ -189,7 +190,7 @@ Panner::draw_the_box ( int tx, int ty, int tw, int th )
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Fl_Image *i = 0;
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if ( _bg_image && _bg_image->h() != th )
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if ( _bg_image && ( _bg_image->h() != th || projection() != _bg_image_projection ) )
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{
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if ( _bg_image_scaled )
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delete _bg_image;
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@ -234,6 +235,8 @@ Panner::draw_the_box ( int tx, int ty, int tw, int th )
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}
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}
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_bg_image_projection = projection();
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if ( _bg_image )
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_bg_image->draw( tx, ty );
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}
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@ -35,6 +35,7 @@ class Panner : public Fl_Group
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Fl_Image *_bg_image;
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bool _bg_image_scaled;
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int _bg_image_projection;
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void draw_grid( int,int,int,int);
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void draw_the_box( int, int, int, int );
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