Convert UTF-8 to 32-bit character, process single character input. A nearly-branchless UTF-8 decoder, based on work of Christopher Wellons (https://gi

std::lower_bound but without the bullshit

0: East, 3: South, 6: West, 9: North, 12: East

Use case A: Begin() called from constructor with items_height<0, then called again from Step() in StepNo 1 Use case B: Begin() called from constructor

Known size hash It is ok to call ImHashData on a string with known length but the ### operator won't be supported. FIXME-OPT: Replace with e.g. FNV1a

Push a clipping rectangle for both ImGui logic (hit-testing etc.) and low-level ImDrawList rendering. - When using this function it is sane to ensure

p_min = upper-left, p_max = lower-right

Helpers

We should in theory be using fseeko()/ftello() with off_t and _fseeki64()/_ftelli64() with __int64, waiting for the PR that does that in a very portab

[1.71: 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while]