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

out must be buffer big enough to contain full image, and in must contain the full decompressed data from the IDAT chunks (with filter index bytes and

background color chunk (bKGD)*/

international text chunk (iTXt)*/

text chunk (tEXt)*/

compressed text chunk (zTXt)*/

put a pixel, given its RGBA16 color, into image of any color 16-bitdepth type*/

put a pixel, given its RGBA color, into image of any color type*/

write given buffer to the file, overwriting the file, it doesn't append to it.*/

returns 1 if success, 0 if failure ==> nothing done*/

@return True if r fits inside freeRect (possibly rotated).

@return True if r fits perfectly inside freeRect, i.e. the leftover area is 0.

Computes the ratio of used surface area.

Computes the ratio of used surface area to the total bin area.

Returns the heuristic score value for placing a rectangle of size width*height into freeRect. Does not try to rotate.

This function will add the two generated rectangles into the freeRectangles array. The caller is expected to remove the original rectangle from the fr

This returns the description of a numerical error code in English. This is also the documentation of all the error codes. */

For the lodepng::State subclass. */