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Updated FAQ (#341)

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ocornut
2015-09-19 15:22:05 +02:00
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imgui.cpp
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- FREQUENTLY ASKED QUESTIONS (FAQ), TIPS
- How do I update to a newer version of ImGui?
- Can I have multiple widgets with the same label? Can I have widget without a label? (Yes)
- Why is my text output blurry?
- I integrated ImGui in my engine and the text or lines are blurry..
- I integrated ImGui in my engine and some elements are disappearing when I move windows around..
- How can I load a different font than the default?
- How can I load multiple fonts?
- How can I display and input non-latin characters such as Chinese, Japanese, Korean, Cyrillic?
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e.g. when displaying a single object that may change over time (1-1 relationship), using a static string as ID will preserve your node open/closed state when the targeted object change.
e.g. when displaying a list of objects, using indices or pointers as ID will preserve the node open/closed state differently. experiment and see what makes more sense!
Q: Why is my text output blurry?
A: In your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
Q: I integrated ImGui in my engine and the text or lines are blurry..
A: In your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f).
Also make sure your orthographic projection matrix and io.DisplaySize matches your actual framebuffer dimension.
Q. I integrated ImGui in my engine and some elements are disappearing when I move windows around..
Most likely you are mishandling the clipping rectangles in your render function. Rectangles provided by ImGui are defined as (x1,y1,x2,y2) and NOT as (x1,y1,width,height).
Q: How can I load a different font than the default? (default is an embedded version of ProggyClean.ttf, rendered at size 13)
A: Use the font atlas to load the TTF file you want: