Linux Standard Base Desktop Specification 4.1 | ||
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png_get_x_offset_pixels() shall obtain x offset in pixels for the image from its PNG_oFFs chunk data stored in info_ptr, if the unit for offset is pixels.
On success, png_get_x_offset_pixels() shall return x offset in pixels. Otherwise png_get_x_offset_pixels() shall return 0.
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png_get_valid | Up | png_get_x_pixels_per_meter |