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Fonts: (Internal) Added undocumented ImFontBaked::LoadNoRenderOnLayout. (#8758, #8465)

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Amend fd75bdccb0.
This commit is contained in:
ocornut
2025-07-27 20:33:57 +09:00
parent 10dc1882c8
commit 87d7f7744e
2 changed files with 5 additions and 4 deletions
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7
imgui.h
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@@ -3745,9 +3745,10 @@ struct ImFontBaked
// [Internal] Members: Cold
float Ascent, Descent; // 4+4 // out // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize] (unscaled)
unsigned int MetricsTotalSurface:26;// 3 // out // Total surface in pixels to get an idea of the font rasterization/texture cost (not exact, we approximate the cost of padding between glyphs)
unsigned int WantDestroy:1; // 0 // // Queued for destroy
unsigned int LoadNoFallback:1; // 0 // // Disable loading fallback in lower-level calls.
int LastUsedFrame; // 4 // // Record of that time this was bounds
unsigned int WantDestroy:1; // 0 // // Queued for destroy
unsigned int LoadNoFallback:1; // 0 // // Disable loading fallback in lower-level calls.
unsigned int LoadNoRenderOnLayout:1;// 0 // // Enable a two-steps mode where CalcTextSize() calls will load AdvanceX *without* rendering/packing glyphs. Only advantagous if you know that the glyph is unlikely to actually be rendered, otherwise it is slower because we'd do one query on the first CalcTextSize and one query on the first Draw.
int LastUsedFrame; // 4 // // Record of that time this was bounds
ImGuiID BakedId; // 4 // // Unique ID for this baked storage
ImFont* ContainerFont; // 4-8 // in // Parent font
void* FontLoaderDatas; // 4-8 // // Font loader opaque storage (per baked font * sources): single contiguous buffer allocated by imgui, passed to loader.

2
imgui_draw.cpp
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@@ -4483,7 +4483,7 @@ static ImFontGlyph* ImFontBaked_BuildLoadGlyph(ImFontBaked* baked, ImWchar codep
static float ImFontBaked_BuildLoadGlyphAdvanceX(ImFontBaked* baked, ImWchar codepoint)
{
if (baked->Size >= IMGUI_FONT_SIZE_THRESHOLD_FOR_LOADADVANCEXONLYMODE)
if (baked->Size >= IMGUI_FONT_SIZE_THRESHOLD_FOR_LOADADVANCEXONLYMODE || baked->LoadNoRenderOnLayout)
{
// First load AdvanceX value used by CalcTextSize() API then load the rest when loaded by drawing API.
float only_advance_x = 0.0f;