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Searched refs:screen_gamma (Results 1 – 11 of 11) sorted by relevance

/AliOS-Things-master/components/SDL2/src/image/external/libpng-1.6.37/
A Dexample.c434 screen_gamma = user-defined screen_gamma;
437 screen_gamma = atof(gamma_str);
441 screen_gamma = PNG_DEFAULT_sRGB; /* A good guess for a PC monitor
443 screen_gamma = PNG_GAMMA_MAC_18 or 1.0; /* Good guesses for Mac
456 png_set_gamma(png_ptr, screen_gamma, PNG_DEFAULT_sRGB);
461 png_set_gamma(png_ptr, screen_gamma, image_gamma);
463 png_set_gamma(png_ptr, screen_gamma, 0.45455);
A Dpngrtran.c377 png_ptr->screen_gamma = output_gamma; in png_set_alpha_mode_fixed()
853 png_ptr->screen_gamma = scrn_gamma; in png_set_gamma_fixed()
1320 png_ptr->screen_gamma); in png_init_read_transformations()
1329 else if (png_ptr->screen_gamma != 0) in png_init_read_transformations()
1421 if (png_gamma_significant(png_ptr->screen_gamma) == 0) in png_init_read_transformations()
1630 g = (png_ptr->screen_gamma); in png_init_read_transformations()
1637 png_ptr->screen_gamma); in png_init_read_transformations()
1643 png_ptr->screen_gamma); in png_init_read_transformations()
1739 g = png_ptr->screen_gamma; in png_init_read_transformations()
1746 png_ptr->screen_gamma); in png_init_read_transformations()
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A Dpng.c4215 png_ptr->screen_gamma > 0 ?
4217 png_ptr->screen_gamma) : PNG_FP_1);
4228 png_ptr->screen_gamma > 0 ?
4229 png_reciprocal(png_ptr->screen_gamma) :
4299 png_ptr->screen_gamma > 0 ? png_product2(png_ptr->colorspace.gamma,
4300 png_ptr->screen_gamma) : PNG_FP_1);
4304 png_ptr->screen_gamma > 0 ? png_reciprocal2(png_ptr->colorspace.gamma,
4305 png_ptr->screen_gamma) : PNG_FP_1);
4320 png_ptr->screen_gamma > 0 ? png_reciprocal(png_ptr->screen_gamma) :
A Dpngstruct.h291 png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */ member
A Dpngread.c3177 png_ptr->screen_gamma == PNG_GAMMA_sRGB && in png_image_read_colormapped()
3187 png_ptr->screen_gamma == PNG_GAMMA_sRGB && in png_image_read_colormapped()
3197 png_ptr->screen_gamma == PNG_GAMMA_sRGB && in png_image_read_colormapped()
A Dpng.h1351 double screen_gamma, double override_file_gamma))
1353 png_fixed_point screen_gamma, png_fixed_point override_file_gamma))
A Dlibpng-manual.txt725 png_set_gamma(png_ptr, screen_gamma, output_gamma);
729 png_set_gamma_fixed(png_ptr, PNG_FP_1*screen_gamma,
832 png_set_alpha_mode(png_ptr, mode, screen_gamma);
834 png_set_gamma(png_ptr, screen_gamma, 1.0/screen_gamma);
907 component values, whatever screen_gamma you supply. The
908 screen_gamma value is, however, used as a default for
926 the screen_gamma value. Pixels with alpha less than 1.0
959 screen_gamma);
966 screen_gamma);
976 screen_gamma);
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A DCHANGES223 Cosmetic change "display_gamma" to "screen_gamma" in pngrtran.c
226 screen_gamma, viewing_gamma, and display_gamma.
/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/imageio/
A Dpngdec.c294 double image_gamma = 1 / 2.2, screen_gamma = 2.2; in ReadPNG() local
298 png_set_gamma(png, screen_gamma, image_gamma); in ReadPNG()
/AliOS-Things-master/components/SDL2/src/image/external/libpng-1.6.37/contrib/libtests/
A Dpngvalid.c9215 double screen_gamma; member
9247 dp->screen_gamma = screen_gamma; in gamma_display_init()
9305 const double sg = dp->screen_gamma; in gamma_info_imp()
9408 double screen_gamma; member
9451 vi->screen_gamma = dp->screen_gamma; in init_validate_info()
9455 vi->screen_inverse = 1/vi->screen_gamma; in init_validate_info()
10555 double screen_gamma) in gamma_threshold_test() argument
10613 const double screen_gamma, png_byte sbit, in gamma_transform_test() argument
10774 const double screen_gamma, in gamma_composition_test() argument
10793 bg = 1/screen_gamma; in gamma_composition_test()
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/AliOS-Things-master/components/SDL2/src/image/VisualC/external/include/
A Dpng.h1351 double screen_gamma, double override_file_gamma))
1353 png_fixed_point screen_gamma, png_fixed_point override_file_gamma))

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