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Debug: added DebugTextEncoding() to help diagnose between text encoding issues and font loading issues. Simplified code + extracted DebugNodeFontGlyph().

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Helper to diagnose issues such as #4866, #3558, #3436, #2233, #1880, #1780, #905, #832, #762, #726, #609, #565, #307)
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ocornut
2022-05-03 14:46:19 +02:00
parent e668890837
commit 6d27fecce1
5 changed files with 88 additions and 108 deletions
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3
docs/CHANGELOG.txt
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@ -87,6 +87,9 @@ Other Changes:
- Stack Tool: Added option to copy item path to clipboard. (#4631)
- Drawlist: Fixed PathArcTo() emitting terminating vertices too close to arc vertices. (#4993) [@thedmd]
- DrawList: Fixed texture-based anti-aliasing path with RGBA textures (#5132, #3245) [@cfillion]
- Debug: Added DebugTextEncoding() function to facilitate diagnosing issues when not sure about whether
you have a UTF-8 text encoding issue or a font loading issue. [@LaMarche05, @ocornut]
- Metrics: Added a "UTF-8 Encoding Viewer" section using the aforementioned DebugTextEncoding() function.
- Misc: Fixed calling GetID("label") _before_ a widget emitting this item inside a group (such as InputInt())
from causing an assertion when closing the group. (#5181).
- Misc: Fixed IsAnyItemHovered() returning false when using navigation.

6
docs/FONTS.md
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@ -29,7 +29,11 @@ In the [misc/fonts/](https://github.com/ocornut/imgui/tree/master/misc/fonts) fo
- You can use the `Metrics/Debugger` window (available in `Demo>Tools`) to browse your fonts and understand what's going on if you have an issue. You can also reach it in `Demo->Tools->Style Editor->Fonts`. The same information are also available in the Style Editor under Fonts.
![imgui_capture_0008](https://user-images.githubusercontent.com/8225057/135429892-0e41ef8d-33c5-4991-bcf6-f997a0bcfd6b.png)
![Fonts debugging](https://user-images.githubusercontent.com/8225057/135429892-0e41ef8d-33c5-4991-bcf6-f997a0bcfd6b.png)
- You can use the `UTF-8 Encoding viewer` in `Metrics/Debugger` to verify the content of your UTF-8 strings. From C/C++ code, you can call `ImGui::DebugTextEncoding("my string");` function to verify that your UTF-8 encoding is correct.
![UTF-8 Encoding viewer](https://user-images.githubusercontent.com/8225057/166505963-8a0d7899-8ee8-4558-abb2-1ae523dc02f9.png)
- All loaded fonts glyphs are rendered into a single texture atlas ahead of time. Calling either of `io.Fonts->GetTexDataAsAlpha8()`, `io.Fonts->GetTexDataAsRGBA32()` or `io.Fonts->Build()` will build the atlas.