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Fonts: ClearCache(), ImFontAtlasBuildGetTextureSizeEstimate(), tweak clearing functions.

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ocornut
2025-06-11 15:43:06 +02:00
parent ef1521b472
commit 4399599de9
3 changed files with 47 additions and 28 deletions
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imgui.h
+4 -4
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@@ -3523,12 +3523,12 @@ struct ImFontAtlas
IMGUI_API ImFont* AddFontFromMemoryCompressedBase85TTF(const char* compressed_font_data_base85, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL); // 'compressed_font_data_base85' still owned by caller. Compress with binary_to_compressed_c.cpp with -base85 parameter.
// FIXME-NEWATLAS: Clarify meaning/purpose
IMGUI_API void ClearInputData(); // Clear input data (all ImFontConfig structures including sizes, TTF data, glyph ranges, etc.) = all the data used to build the texture and fonts.
IMGUI_API void ClearFonts(); // Clear input+output font data (same as ClearInputData() + glyphs storage, UV coordinates).
IMGUI_API void ClearTexData(); // Clear output texture data (CPU side). Saves RAM once the texture has been copied to graphics memory.
IMGUI_API void Clear(); // Clear all input and output.
IMGUI_API void ClearCache(); // Clear cached glyphs
// As we are transitioning toward a new font system, we expect to obsolete those soon:
IMGUI_API void ClearInputData(); // [OBSOLETE] Clear input data (all ImFontConfig structures including sizes, TTF data, glyph ranges, etc.) = all the data used to build the texture and fonts.
IMGUI_API void ClearFonts(); // [OBSOLETE] Clear input+output font data (same as ClearInputData() + glyphs storage, UV coordinates).
IMGUI_API void ClearTexData(); // [OBSOLETE] Clear output texture data (CPU side). Saves RAM once the texture has been copied to graphics memory.
// Build atlas, retrieve pixel data.
// User is in charge of copying the pixels into graphics memory (e.g. create a texture with your engine). Then store your texture handle with SetTexID().