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Fonts: clarify assert. (#8680)

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ocornut
2025-06-12 16:35:51 +02:00
parent 7ac99a4366
commit 1ec1510ef7
2 changed files with 11 additions and 4 deletions
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5
docs/CHANGELOG.txt
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@@ -41,11 +41,14 @@ HOW TO UPDATE?
THIS VERSION CONTAINS THE LARGEST AMOUNT OF BREAKING CHANGES SINCE 2015! THIS VERSION CONTAINS THE LARGEST AMOUNT OF BREAKING CHANGES SINCE 2015!
I TRIED REALLY HARD TO KEEP THEM TO A MINIMUM, REDUCE THE AMOUNT OF INTERFERENCES, I TRIED REALLY HARD TO KEEP THEM TO A MINIMUM, REDUCE THE AMOUNT OF INTERFERENCES,
BUT INEVITABLY SOME USERS WILL BE AFFECTED. BUT INEVITABLY SOME USERS OR THIRD-PARTY EXTENSIONS WILL BE AFFECTED.
IN ORDER TO HELP US IMPROVE THE TRANSITION PROCESS, INCL. DOCUMENTATION AND COMMENTS, IN ORDER TO HELP US IMPROVE THE TRANSITION PROCESS, INCL. DOCUMENTATION AND COMMENTS,
PLEASE REPORT **ANY** DOUBT, CONFUSION, QUESTIONS, FEEDBACK TO: PLEASE REPORT **ANY** DOUBT, CONFUSION, QUESTIONS, FEEDBACK TO:
https://github.com/ocornut/imgui/issues/ https://github.com/ocornut/imgui/issues/
If you are using custom widgets, internals or third-party extension that are somehow
breaking and aren't obvious how to solve, please post in Issues so we can gather
data and share solutions that may help others.
As part of the plan to reduce impact of API breaking changes, several unfinished As part of the plan to reduce impact of API breaking changes, several unfinished
changes/features/refactors related to font and text systems and scaling will be changes/features/refactors related to font and text systems and scaling will be

10
imgui.cpp
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@@ -5301,8 +5301,12 @@ static void ImGui::UpdateTexturesNewFrame()
} }
else else
{ {
IM_ASSERT(atlas->Builder != NULL && atlas->Builder->FrameCount != -1 && "If you manage font atlases yourself you need to call ImFontAtlasUpdateNewFrame() on it."); // (1) If you manage font atlases yourself, e.g. create a ImFontAtlas yourself you need to call ImFontAtlasUpdateNewFrame() on it.
IM_ASSERT(atlas->RendererHasTextures == has_textures && "If you manage font atlases yourself make sure ImGuiBackendFlags_RendererHasTextures is set consistently with atlas->RendererHasTextures as specified in the ImFontAtlasUpdateNewFrame() call."); // Otherwise, calling ImGui::CreateContext() without parameter will create an atlas owned by the context.
// (2) If you have multiple font atlases, make sure the 'atlas->RendererHasTextures' as specified in the ImFontAtlasUpdateNewFrame() call matches for that.
// (3) If you have multiple imgui contexts, they also need to have a matching value for ImGuiBackendFlags_RendererHasTextures.
IM_ASSERT(atlas->Builder != NULL && atlas->Builder->FrameCount != -1);
IM_ASSERT(atlas->RendererHasTextures == has_textures);
} }
} }
} }
@@ -16967,7 +16971,7 @@ void ImGui::DebugNodeFont(ImFont* font)
if (baked->ContainerFont != font) if (baked->ContainerFont != font)
continue; continue;
PushID(baked_n); PushID(baked_n);
if (TreeNode("Glyphs", "Baked at { %.2fpx, d.%.1f }: %d glyphs%s", baked->Size, baked->RasterizerDensity, baked->Glyphs.Size, (baked->LastUsedFrame < atlas->Builder->FrameCount - 1) ? " *Unused*" : "")) if (TreeNode("Glyphs", "Baked at { %.2fpx, d.%.2f }: %d glyphs%s", baked->Size, baked->RasterizerDensity, baked->Glyphs.Size, (baked->LastUsedFrame < atlas->Builder->FrameCount - 1) ? " *Unused*" : ""))
{ {
if (SmallButton("Load all")) if (SmallButton("Load all"))
for (unsigned int base = 0; base <= IM_UNICODE_CODEPOINT_MAX; base++) for (unsigned int base = 0; base <= IM_UNICODE_CODEPOINT_MAX; base++)