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Lines Matching refs:gamma

935       png_fixed_point gamma;
937       if (png_get_gAMA_fixed(read_ptr, read_info_ptr, &gamma))
938          png_set_gAMA_fixed(write_ptr, write_info_ptr, gamma);
957       double gamma;
959       if (png_get_gAMA(read_ptr, read_info_ptr, &gamma))
960          png_set_gAMA(write_ptr, write_info_ptr, gamma);