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

Clear all output. Invalidates all AddCustomRect() return values!

Destroy builder and all cached glyphs. Do not destroy actual fonts.

use unused_frames==0 to discard everything.

Set current texture. This is mostly called from AddTexture() + to handle a failed resize.

Load fallback in order to obtain its index (this is called from in hot-path so we avoid extraneous parameters to minimize impact on code size)

For user-facing functions: return NULL on invalid ID. Important: return pointer is valid until next call to AddRect(), e.g. FindGlyph(), CalcTextSize(

Copy block from one texture to another

Optimized for batch edits (with same value of 'selected')

Convert RGBA32 to BGRA32 (because RGBA32 is not well supported by DX9 devices)

Functions

Functions

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

Call IncludeItemByIndex() or IncludeItemsByIndex() *BEFORE* first call to Step() if you need a range of items to not be clipped, regardless of their v

Distribute storage for nodes, ears and reflexes. FIXME-OPT: if everything is convex, we could report it to caller and let it switch to an convex rende

Find the shortest single replacement we can make to get from old_buf to new_buf Note that this doesn't directly alter state->TextA, state->TextLen. Th

- We need this to filter some Shortcut() routes when an item e.g. an InputText() is active e.g. ImGuiKey_G won't be considered a shortcut when item is

Pass text data straight to log (without being displayed)

Populate Functions

Helper for ColorPicker4()

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

Scale all spacing/padding/thickness values. Do not scale fonts. Important: This operation is lossy because we round all sizes to integer. If you need

This is already called while stepping. The ONLY reason you may want to call this is if you passed INT_MAX to ImGuiListClipper::Begin() because you cou

4 bytes-per-pixel