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Fonts: AddFontDefaultBitmap() doesn't need to explicitely set OversampleH/OversampleV to 1 as this is automatic.

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ocornut
2026-02-12 19:35:41 +01:00
parent 9c33672e5c
commit a8bf659143
2 changed files with 2 additions and 5 deletions
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2
imgui.h
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@@ -3538,7 +3538,7 @@ struct ImFontConfig
// Options
bool MergeMode; // false // Merge into previous ImFont, so you can combine multiple inputs font into one ImFont (e.g. ASCII font + icons + Japanese glyphs). You may want to use GlyphOffset.y when merge font of different heights.
bool PixelSnapH; // false // Align every glyph AdvanceX to pixel boundaries. Prevents fractional font size from working correctly! Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1.
bool PixelSnapH; // false // Align every glyph AdvanceX to pixel boundaries. Prevents fractional font size from working correctly! Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, OversampleH/V will default to 1.
ImS8 OversampleH; // 0 (2) // Rasterize at higher quality for sub-pixel positioning. 0 == auto == 1 or 2 depending on size. Note the difference between 2 and 3 is minimal. You can reduce this to 1 for large glyphs save memory. Read https://github.com/nothings/stb/blob/master/tests/oversample/README.md for details.
ImS8 OversampleV; // 0 (1) // Rasterize at higher quality for sub-pixel positioning. 0 == auto == 1. This is not really useful as we don't use sub-pixel positions on the Y axis.
ImWchar EllipsisChar; // 0 // Explicitly specify Unicode codepoint of ellipsis character. When fonts are being merged first specified ellipsis will be used.

5
imgui_draw.cpp
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@@ -3143,10 +3143,7 @@ ImFont* ImFontAtlas::AddFontDefaultBitmap(const ImFontConfig* font_cfg_template)
#ifndef IMGUI_DISABLE_DEFAULT_FONT
ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
if (!font_cfg_template)
{
font_cfg.OversampleH = font_cfg.OversampleV = 1;
font_cfg.PixelSnapH = true;
}
font_cfg.PixelSnapH = true; // Will also automatically set OversampleH = OversampleV = 1
if (font_cfg.SizePixels <= 0.0f)
font_cfg.SizePixels = 13.0f; // This only serves (1) as a reference for GlyphOffset.y setting and (2) as a default for pre-1.92 backend.
if (font_cfg.Name[0] == '\0')