Searched refs:alphaAt (Results 1 - 4 of 4) sorted by relevance

/inkscape/src/display/
H A Dcairo-templates.h402 guint32 alphaAt(int x, int y) const { function in struct:SurfaceSynth
416 return alphaAt(x, y) << 24;
451 guint32 alphaAt(double x, double y) const { function in struct:SurfaceSynth
479 // NOTE: fetching using alphaAt is slightly lazy.
489 double p00 = alphaAt(x,y), p10 = alphaAt(x+1, y),
490 p01 = alphaAt(x,y+1), p11 = alphaAt(x+1, y+1);
501 double p00 = alphaAt(x,y-1), p10 = alphaAt(
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H A Dnr-filter-diffuselighting.cpp97 _light.light_vector(light, _x0 + x, _y0 + y, _scale * alphaAt(x, y)/255.0);
117 _light.light_vector(light, _x0 + x, _y0 + y, _scale * alphaAt(x, y)/255.0);
H A Dnr-filter-specularlighting.cpp107 _light.light_vector(light, _x0 + x, _y0 + y, _scale * alphaAt(x, y)/255.0);
129 _light.light_vector(light, _x0 + x, _y0 + y, _scale * alphaAt(x, y)/255.0);
H A Dnr-filter-convolve-matrix.cpp83 suma = alphaAt(x, y);

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