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/PHP-5.5/ext/gd/libgd/
H A Dgd.c1019 float p_alpha, old_alpha; in gdImageAABlend() local
1038 old_alpha = 1.0 - p_alpha; in gdImageAABlend()
1047 p_red = (int) (((float) color_red * p_alpha) + ((float) old_red * old_alpha)); in gdImageAABlend()
1048 p_green = (int) (((float) color_green * p_alpha) + ((float) old_green * old_alpha)); in gdImageAABlend()
1049 p_blue = (int) (((float) color_blue * p_alpha) + ((float) old_blue * old_alpha)); in gdImageAABlend()

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