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Searched refs:gamma_to_1 (Results 1 – 3 of 3) sorted by relevance

/AliOS-Things-master/components/SDL2/src/image/external/libpng-1.6.37/
A Dpngrtran.c1699 v = png_ptr->gamma_to_1[palette[i].red]; in png_init_read_transformations()
3036 red = png_ptr->gamma_to_1[red]; in png_do_rgb_to_gray()
3037 green = png_ptr->gamma_to_1[green]; in png_do_rgb_to_gray()
3038 blue = png_ptr->gamma_to_1[blue]; in png_do_rgb_to_gray()
3205 png_const_bytep gamma_to_1 = png_ptr->gamma_to_1; in png_do_compose() local
3606 if (gamma_to_1 != NULL && gamma_from_1 != NULL && in png_do_compose()
3627 v = gamma_to_1[*sp]; in png_do_compose()
3732 if (gamma_to_1 != NULL && gamma_from_1 != NULL && in png_do_compose()
3759 v = gamma_to_1[*sp]; in png_do_compose()
3764 v = gamma_to_1[*(sp + 1)]; in png_do_compose()
[all …]
A Dpngstruct.h299 png_bytep gamma_to_1; /* converts from file to 1.0 */ member
A Dpng.c4160 png_free(png_ptr, png_ptr->gamma_to_1);
4161 png_ptr->gamma_to_1 = NULL;
4224 png_build_8bit_table(png_ptr, &png_ptr->gamma_to_1,

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