Since 1.83: returns ImTextureID associated with this draw call. Warning: DO NOT assume this is always same as 'TextureId' (we will change this functio

tess_tol is generally the same value you would find in ImGui::GetStyle().CurveTessellationTol Because those ImXXX functions are lower-level than ImGui

Closely mimics PathBezierToCasteljau() in imgui_draw.cpp

Consider using _stricmp/_strnicmp under Windows or strcasecmp/strncasecmp. We don't actually use either ImStricmp/ImStrnicmp in the codebase any more.

Find the shortest single replacement we can make to get the new text from the old text. Important: needs to be run before TextW is rewritten with the

[Optional] Notify the system of Tabs/Windows closure that happened outside the regular tab interface. If a tab has been closed programmatically (aka c

Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp

Stateful path API, add points then finish with PathFillConvex() or PathStroke() - Filled shapes must always use clockwise winding order. The anti-alia

Fully unrolled with inline call to keep our debug builds decently fast.

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

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.

To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is d

Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than draw_data->DisplaySize, or if there

ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS

Set master flag for accepting key/mouse/text events (default to true). Useful if you have native dialog boxes that are interrupting your application l

FIXME-OBSOLETE: May need to obsolete/cleanup those helpers.

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

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

Demonstrate old/legacy Columns API! [2020: Columns are under-featured and not maintained. Prefer using the more flexible and powerful BeginTable() API

Demonstrate creating a window which gets auto-resized according to its content.

Demonstrate creating a window with custom resize constraints. Note that size constraints currently don't work on a docked window (when in 'docking' br

Demonstrate using the low-level ImDrawList to draw custom shapes.

Demonstrate creating a window covering the entire screen/viewport

Demonstrate create a window with multiple child windows.

Demonstrate creating a simple log window with basic filtering.

Demonstrate/test rendering huge amount of text, and the incidence of clipping.

Demonstrate creating a "main" fullscreen menu bar and populating it. Note the difference between BeginMainMenuBar() and BeginMenuBar(): - BeginMenuBar

Demonstrate create a simple property editor.

Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.

Demonstrate the use of "##" and "###" in identifiers to manipulate ID generation. This applies to all regular items as well. Read FAQ section "How can

Helper

Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have

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.