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)

OBSOLETED in 1.77 (from June 2020)

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

If you get an error please report on github. You may try different GL context version or GLSL version. See GL<>GLSL version table at the top of this f

To iterate a ImPool: for (int n = 0; n < pool.GetMapSize(); n++) if (T* t = pool.TryGetMapData(n)) { ... } Can be avoided if you know .Remove() has ne

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

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

Based on stb_to_utf8() from github.com/nothings/stb/

Not optimal but we very rarely use this function.

Pass text data straight to log (without being displayed)

Helper for ColorPicker4()

Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.

Bit ambiguous: used to detect when user didn't built texture but effectively we should check TexID != 0 except that would be backend dependent...

Clear and initialize empty settings instance

Adjust flags: default width mode + stretch columns are not allowed when auto extending

Pop trailing draw command (used before merging or presenting to user) Note that this leaves the ImDrawList in a state unfit for further commands, as m

Initialize before use in a new frame. We always have a command ready in the buffer.

Helper: Text buffer for logging/accumulating text

traverse the layout to locate the nearest character to a display position