Cross Reference: /external/libpng/pngrtran.c

Lines Matching defs:screen_gamma
365    png_ptr->screen_gamma = output_gamma;
839    png_ptr->screen_gamma = scrn_gamma;
1074  * the [file] gamma and screen_gamma are not close reciprocals, otherwise it
1078 png_gamma_threshold(png_fixed_point screen_gamma, png_fixed_point file_gamma)
1088    return !png_muldiv(&gtest, screen_gamma, file_gamma, PNG_FP_1) ||
1304          if (png_ptr->screen_gamma != 0) /* screen set too */
1306                png_ptr->screen_gamma);
1312             png_ptr->screen_gamma = png_reciprocal(png_ptr->colorspace.gamma);
1315       else if (png_ptr->screen_gamma != 0)
1321          png_ptr->colorspace.gamma = png_reciprocal(png_ptr->screen_gamma);
1329          png_ptr->screen_gamma = png_ptr->colorspace.gamma = PNG_FP_1;
1407    if (png_gamma_significant(png_ptr->screen_gamma) == 0)
1563          png_gamma_significant(png_ptr->screen_gamma) != 0)) ||
1566           png_gamma_significant(png_ptr->screen_gamma) != 0
1572        png_gamma_significant(png_ptr->screen_gamma) != 0))
1616                      g = (png_ptr->screen_gamma);
1623                         png_ptr->screen_gamma);
1629                         png_ptr->screen_gamma);
1725                   g = png_ptr->screen_gamma;
1732                      png_ptr->screen_gamma);
1738                       png_ptr->screen_gamma);
1982     * the screen_gamma value.  The following probably results in weirdness if