Calculate the CRC over a section of data. We can only pass as * much data to this routine as the largest single buffer size. We * also check that

Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification, * and if invalid, correct the keyword rather than discarding the entire * ch

Free all memory used by the write. * In libpng 1.6.0 this API changed quietly to no longer accept a NULL value for * *png_ptr_ptr. Prior to 1.6.0 i

The inverse of the above. */

Handle alpha and tRNS via a background color */

Called by user to write a row of image data */

Strides of the array

Queue a mouse move event

Public API to manipulate UTF-8 text We expose UTF-8 to the user (unlike the STB_TEXTEDIT_* functions which are manipulating wchar) FIXME: The existenc

Number of active/alive items in the pool (for display purpose)