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Fonts: 'float size_pixels' passed to AddFontXXX() functions is now rounded to lowest integer. (#3164, #3309, #6800)

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Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes and same issues.
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ocornut 2023-09-11 10:04:18 +02:00
parent 0962c9fb72
commit bd63a9f056
2 changed files with 10 additions and 0 deletions
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3
docs/CHANGELOG.txt
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@ -53,6 +53,9 @@ Breaking changes:
Other changes: Other changes:
- Fonts: 'float size_pixels' passed to AddFontXXX() functions is now rounded to lowest integer.
This is because our layout/font system currently doesn't fully support non-integer sizes. Until
it does, this has been a common pitfall leading to more or less subtle issues. (#3164, #3309, #6800)
- InputTextMultiline: Fixed a crash pressing Down on last empty line of a multiline buffer. - InputTextMultiline: Fixed a crash pressing Down on last empty line of a multiline buffer.
(regression from 1.89.2, only happened in some states). (#6783, #6000) (regression from 1.89.2, only happened in some states). (#6783, #6000)
- BeginListBox(): Fixed not consuming SetNextWindowXXX data when returning false. - BeginListBox(): Fixed not consuming SetNextWindowXXX data when returning false.

7
imgui_draw.cpp
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@ -2850,6 +2850,13 @@ static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
// Note: this is called / shared by both the stb_truetype and the FreeType builder // Note: this is called / shared by both the stb_truetype and the FreeType builder
void ImFontAtlasBuildInit(ImFontAtlas* atlas) void ImFontAtlasBuildInit(ImFontAtlas* atlas)
{ {
// Round font size
// - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
// - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
// - We may support it better later and remove this rounding.
for (ImFontConfig& cfg : atlas->ConfigData)
cfg.SizePixels = ImFloor(cfg.SizePixels);
// Register texture region for mouse cursors or standard white pixels // Register texture region for mouse cursors or standard white pixels
if (atlas->PackIdMouseCursors < 0) if (atlas->PackIdMouseCursors < 0)
{ {