Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp

Reference: https://github.com/nipkownix/re4_tweaks/blob/master/dllmain/LAApatch.cpp

Release the number of reserved vertices/indices from the end of the last reservation made with PrimReserve().

OBSOLETED in 1.92.0 (from June 2025)

Console Variable Registration, links unregistered cvars from the array into the linked list

Internal ImGui functions to render text RenderText***() functions calls ImDrawList::AddText() calls ImBitmapFont::RenderText()

Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. DO NOT CALL DIRECTLY THIS WILL CHANGE WILDLY IN 20

* Determine whether two floating point rectangles are equal, within some * given epsilon. * * Rectangles are considered equal if both are not NULL

FIXME-LAYOUT: To be done automatically via layout mode once we rework ItemSize/ItemAdd into ItemLayout.

[Optional] Call after AddKeyEvent(). Specify native keycode, scancode + Specify index for legacy <1.87 IsKeyXXX() functions with native indices. If yo

Called once a frame. Followed by SetCurrentFont() which sets up the remaining data. FIXME-VIEWPORT: the concept of a single ClipRectFullscreen is not

Cursor Management

Helper

Only clamp Ctrl+Click input when ImGuiSliderFlags_ClampOnInput is set (generally via ImGuiSliderFlags_AlwaysClamp)

Helpers for internal use

Input

Try to merge two last draw commands

NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden.

reset the state to default

API cut: delete selection

discard the oldest entry in the redo list--it's bad if this ever happens, but because undo & redo have to store the actual characters in different cas

API initialize

API key: process a keyboard input