Lines Matching refs:gamma
108 * The file gamma encoding information is also stored here and gamma correction
115 png_fixed_point gamma; /* File gamma */
141 #endif /* COLORSPACE || GAMMA */
277 png_color_16 background; /* background color in screen gamma space */
279 png_color_16 background_1; /* background normalized to gamma 1.0 */
290 int gamma_shift; /* number of "insignificant" bits in 16-bit gamma */
291 png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */
293 png_bytep gamma_table; /* gamma table for 8-bit depth files */
294 png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */