Lines Matching refs:inverse_slope
7033 inverse_slope = {0,0}, in TraceStrokePolygon() local
7132 inverse_slope.p=0.0; in TraceStrokePolygon()
7144 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon; in TraceStrokePolygon()
7146 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon; in TraceStrokePolygon()
7151 inverse_slope.p=(-1.0/slope.p); in TraceStrokePolygon()
7157 offset.x=sqrt((double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0))); in TraceStrokePolygon()
7158 offset.y=(double) (offset.x*inverse_slope.p); in TraceStrokePolygon()
7162 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p; in TraceStrokePolygon()
7164 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p; in TraceStrokePolygon()
7166 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p; in TraceStrokePolygon()
7168 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p; in TraceStrokePolygon()
7199 inverse_slope.q=0.0; in TraceStrokePolygon()
7211 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon; in TraceStrokePolygon()
7213 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon; in TraceStrokePolygon()
7218 inverse_slope.q=(-1.0/slope.q); in TraceStrokePolygon()
7220 offset.x=sqrt((double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0))); in TraceStrokePolygon()
7221 offset.y=(double) (offset.x*inverse_slope.q); in TraceStrokePolygon()
7406 inverse_slope.p=inverse_slope.q; in TraceStrokePolygon()