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Tables: clarify assumption that rendering of bg/borders in bg0/bg1 are cpu-clipped allowing frozen/unfrozen to share drawcmd + remove offset on outer borders of scrolling tables.

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ocornut
2020-12-18 14:14:15 +01:00
parent 30468829c2
commit 22ace4438c
2 changed files with 22 additions and 23 deletions
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imgui_internal.h
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@ -2019,7 +2019,8 @@ struct ImGuiTable
ImRect WorkRect;
ImRect InnerClipRect;
ImRect BgClipRect; // We use this to cpu-clip cell background color fill
ImRect BgClipRectForDrawCmd;
ImRect Bg0ClipRectForDrawCmd; // Actual ImDrawCmd clip rect for BG0/1 channel. This tends to be == OuterWindow->ClipRect at BeginTable() because output in BG0/BG1 is cpu-clipped
ImRect Bg2ClipRectForDrawCmd; // Actual ImDrawCmd clip rect for BG2 channel. This tends to be a correct, tight-fit, because output to BG2 are done by widgets relying on regular ClipRect.
ImRect HostClipRect; // This is used to check if we can eventually merge our columns draw calls into the current draw call of the current window.
ImRect HostBackupWorkRect; // Backup of InnerWindow->WorkRect at the end of BeginTable()
ImRect HostBackupParentWorkRect; // Backup of InnerWindow->ParentWorkRect at the end of BeginTable()