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Lines Matching refs:file_gamma

674 png_write_gAMA(png_structp png_ptr, double file_gamma)
683    /* file_gamma is saved in 1/100,000ths */
684    igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5);
691 png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma)
699    /* file_gamma is saved in 1/100,000ths */
700    png_save_uint_32(buf, (png_uint_32)file_gamma);