Linux Standard Base Desktop Specification 4.1 | ||
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png_set_gray_1_2_4_to_8() shall set transformation in png_ptr such that grayscale images of bit-depth less than 8 are expanded to 8-bit images. png_set_png_set_gray_1_2_4_to_8() is actually an alias for png_set_expand().
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png_set_gamma | Up | png_set_gray_to_rgb |