Removed trailing whitespace.
[synfig.git] / synfig-core / trunk / src / modules / example / metaballs.cpp
index 6ddc14d..c0a9a50 100644 (file)
@@ -69,7 +69,7 @@ Metaballs::Metaballs():
        color(Color::black())
 {
 }
-       
+
 bool
 Metaballs::set_param(const String & param, const ValueBase &value)
 {
@@ -78,22 +78,22 @@ Metaballs::set_param(const String & param, const ValueBase &value)
                centers = value;
                return true;
        }
-       
+
        if(     param=="weights" && value.same_as(weights))
        {
                weights = value;
                return true;
        }
-       
+
        if(     param=="radii" && value.same_as(radii))
        {
                radii = value;
                return true;
        }
-       
+
        IMPORT(color);
        IMPORT(threshold);
-       
+
        return Layer_Composite::set_param(param,value);
 }
 
@@ -101,23 +101,23 @@ ValueBase
 Metaballs::get_param(const String &param)const
 {
        EXPORT(color);
-       
+
        EXPORT(radii);
-       EXPORT(weights);        
+       EXPORT(weights);
        EXPORT(centers);
        EXPORT(threshold);
 
        EXPORT_NAME();
        EXPORT_VERSION();
-               
-       return Layer_Composite::get_param(param);       
+
+       return Layer_Composite::get_param(param);
 }
 
 Layer::Vocab
 Metaballs::get_param_vocab()const
 {
        Layer::Vocab ret(Layer_Composite::get_param_vocab());
-       
+
        ret.push_back(ParamDesc("color")
                .set_local_name(_("Color"))
        );
@@ -125,19 +125,19 @@ Metaballs::get_param_vocab()const
        ret.push_back(ParamDesc("centers")
                .set_local_name(_("Points"))
        );
-       
+
        ret.push_back(ParamDesc("radii")
                .set_local_name(_("Radii"))
        );
-       
+
        ret.push_back(ParamDesc("weights")
                .set_local_name(_("Weights"))
        );
-       
+
        ret.push_back(ParamDesc("threshold")
                .set_local_name(_("Threshold"))
        );
-       
+
        return ret;
 }
 
@@ -145,14 +145,14 @@ static inline Real densityfunc(const synfig::Point &p, const synfig::Point &c, R
 {
        const Real dx = p[0] - c[0];
        const Real dy = p[1] - c[1];
-       
+
        const Real n = (1 - (dx*dx + dy*dy)/(R*R));
        return (n*n*n);
 
        /*
        f(d) = (1 - d^2)^3
        f'(d) = -6d * (1 - d^2)^2
-       
+
        could use this too...
        f(d) = (1 - d^2)^2
        f'(d) = -6d * (1 - d^2)
@@ -163,13 +163,13 @@ Real
 Metaballs::totaldensity(const Point &pos) const
 {
        Real density = 0;
-       
+
        //sum up weighted functions
        for(unsigned int i=0;i<centers.size();i++)
        {
                density += weights[i] * densityfunc(pos,centers[i], radii[i]);
        }
-       
+
        return density;
 }
 
@@ -177,8 +177,8 @@ Color
 Metaballs::get_color(Context context, const Point &pos)const
 {
        Real dens = totaldensity(pos);
-       
-       if(dens >= threshold) 
+
+       if(dens >= threshold)
                return color;
        else
                return context.get_color(pos);
@@ -186,47 +186,47 @@ Metaballs::get_color(Context context, const Point &pos)const
 
 bool
 Metaballs::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{      
+{
        // Width and Height of a pixel
-       const Point br(renddesc.get_br()), 
+       const Point br(renddesc.get_br()),
                                tl(renddesc.get_tl());
-       
-       const int       w = renddesc.get_w(), 
+
+       const int       w = renddesc.get_w(),
                                h = renddesc.get_h();
-       
+
        Real    pw = renddesc.get_pw();
        Real    ph = renddesc.get_ph();
-               
+
        SuperCallback supercb(cb,0,9000,10000);
-       
+
        if(!context.accelerated_render(surface,quality,renddesc,&supercb))
        {
                if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
                return false;
        }
-               
+
        Point pos(tl[0],tl[1]);
-       
+
        Real    dens;
-       
+
        if(!context.accelerated_render(surface,quality,renddesc,&supercb))
        {
                if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
                return false;
        }
-       
+
        for(int y = 0; y < h; y++, pos[1] += ph)
        {
                pos[0] = tl[0];
                for(int x = 0; x < w; x++, pos[0] += pw)
                {
                        dens = totaldensity(pos);
-                       
+
                        if(dens >= threshold)
                        {
                                (*surface)[y][x] = Color::blend(color,(*surface)[y][x],get_amount(),get_blend_method());
                        }
-               }               
+               }
        }
 
        // Mark our progress as finished