Convert RandR mode info to GLFW video mode

Waits until a VisibilityNotify event arrives for the specified window or the timeout period elapses (ICCCM section 4.2.2)

x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. Not to be mistaken wi

TODO: Thickness anti-aliased lines cap are missing their AA fringe. We avoid using the ImVec2 math operators here to reduce cost to a minimum for debu

Layer is locked for the root window, however child windows may use a different viewport (e.g. extruding menu)

Helper to snap on edges when aiming at an item very close to the edge, So the difference between WindowPadding and ItemSpacing will be in the visible

C++ HeaderInfo to C EXRHeader conversion.

TODO(syoyo): Refactor function arguments.

This is only used in rare/specific situations to manufacture an ID out of nowhere.

Get Internal Image ID

FIXME-TABLE: This prevents us from using ImGuiListClipper _inside_ a table cell. The problem we have is that without a Begin/End scheme for rows using

Helper: ImBitArray

Helper: Load file content into memory Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() This can't really be

Not optimal but we very rarely use this function.