Lines Matching refs:fAlpha
14 float fAlpha; // alpha value of source texel
79 data->fAlpha = 1.0f;
81 data->fAlpha = (*image)*0.00392156862f; // 1/255
166 currGrad.fX = (prevData+1)->fAlpha - (prevData-1)->fAlpha
167 + SK_ScalarSqrt2*(currData+1)->fAlpha
168 - SK_ScalarSqrt2*(currData-1)->fAlpha
169 + (nextData+1)->fAlpha - (nextData-1)->fAlpha;
170 currGrad.fY = (nextData-1)->fAlpha - (prevData-1)->fAlpha
171 + SK_ScalarSqrt2*nextData->fAlpha
172 - SK_ScalarSqrt2*prevData->fAlpha
173 + (nextData+1)->fAlpha - (prevData+1)->fAlpha;
177 float dist = edge_distance(currGrad, currData->fAlpha);
435 float alpha = currData->fAlpha;
446 if (currData->fAlpha > 0.5f) {