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Fonts: fixed NewFrame() when atlas builder has been created but fonts not added. Fixed GetCustomRect() after atlas clear.

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ocornut 2025-06-11 13:20:17 +02:00
parent 29fbf3c1ec
commit e1481a731d
2 changed files with 3 additions and 1 deletions
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2
imgui.cpp
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@ -8668,7 +8668,7 @@ ImFont* ImGui::GetDefaultFont()
{
ImGuiContext& g = *GImGui;
ImFontAtlas* atlas = g.IO.Fonts;
if (atlas->Builder == NULL)
if (atlas->Builder == NULL || atlas->Fonts.Size == 0)
ImFontAtlasBuildMain(atlas);
return g.IO.FontDefault ? g.IO.FontDefault : atlas->Fonts[0];
}

2
imgui_draw.cpp
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@ -4362,6 +4362,8 @@ ImTextureRect* ImFontAtlasPackGetRectSafe(ImFontAtlas* atlas, ImFontAtlasRectId
if (id == ImFontAtlasRectId_Invalid)
return NULL;
int index_idx = ImFontAtlasRectId_GetIndex(id);
if (atlas->Builder == NULL)
ImFontAtlasBuildInit(atlas);
ImFontAtlasBuilder* builder = (ImFontAtlasBuilder*)atlas->Builder;
if (index_idx >= builder->RectsIndex.Size)
return NULL;