! * \return non-zero if the function succeeded */

! * \return non-zero if the function succeeded */

! * \return non-zero if the function succeeded */

! * \return non-zero if the function succeeded */

log2 approximation. A slight bit faster than std::log. */

Shared library entry point */

palette must have 4 * palettesize bytes allocated, and given in format RGBARGBARGBARGBA... returns 0 if the palette is opaque, returns 1 if the palett

get the tree of a deflated block with dynamic tree, the tree itself is also Huffman compressed with a known tree*/

get the tree of a deflated block with fixed tree, as specified in the deflate specification*/

Returns how many bits needed to represent given value (max 8 bit)*/

Identify which camera created this file, and set global variables accordingly. */

inflate a block with dynamic of fixed Huffman tree*/

Automatically chooses color type that gives smallest amount of bits in the output image, e.g. grey if there are only greyscale pixels, palette if ther

profile must already have been inited with mode. It's ok to set some parameters of profile to done already.*/

read the information from the header and store it in the LodePNGInfo. return value is error*/

Computes an approximation of log(4096 / x) / log(2) * base */

Separates a Minolta DiMAGE Z2 from a Nikon E4300. */

Returns 1 for a Coolpix 2100, 0 for anything else. */

Returns 1 for a Coolpix 995, 0 for anything else. */