Safely check if multiplying two integers will overflow (no undefined behavior, compiler removing the code, etc...) and output result. */

Return the result.

Encoding. Will return an empty string if none was found.

Generally, you probably want the error string ( ErrorDesc() ). But if you prefer the ErrorId, this function will fetch it. */

Create the Huffman tree given the symbol frequencies*/

Switch over to "stream printing" which is the most dense formatting without linebreaks. Common when the XML is needed for network transmission. */

return type is a LodePNG error code*/

color is not allowed to already exist. Index should be >= 0 (it's signed to be compatible with using -1 for "doesn't exist")*/

Flush all queues, either input or outputs clearing their accumulated messages. this is purposefully (almost) non-blocking call.

* Check if the queue is full. * \return true if queue is full. */

Get RGBA8 color of pixel with index i (y * width + x) from the raw image with given color type.*/

returns the code, or (unsigned)(-1) if error happened inbitlength is the length of the complete buffer, in bits (so its byte length times 8) */

Safely check if adding two integers will overflow (no undefined behavior, compiler removing the code, etc...) and output result. */

Return the CRC of the bytes buf[0..len-1].*/

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

buffer must have at least 4 allocated bytes available*/