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Fixed lower-right rounded triangle rendering precision.

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PixelCenterOffset is handled very inconsistently, needs to be fixed.
This commit is contained in:
ocornut 2015-01-17 17:03:22 +00:00
parent 43c8b5e0d2
commit ad92018bc0
1 changed files with 5 additions and 3 deletions
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8
imgui.cpp
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@ -214,6 +214,7 @@
- main: IsItemHovered() returns true even if mouse is active on another widget (e.g. dragging outside of sliders). Maybe not a sensible default? Add parameter or alternate function?
- main: IsItemHovered() make it more consistent for various type of widgets, widgets with multiple components, etc. also effectively IsHovered() region sometimes differs from hot region, e.g tree nodes
- main: IsItemHovered() info stored in a stack? so that 'if TreeNode() { Text; TreePop; } if IsHovered' return the hover state of the TreeNode?
!- drawlist: handling of PixelCenterOffset is badly inconsistent (sometimes in callee, sometimes in caller).
- scrollbar: use relative mouse movement when first-clicking inside of scroll grab box.
- scrollbar: make the grab visible and a minimum size for long scroll regions
!- input number: very large int not reliably supported because of int<>float conversions.
@ -2629,10 +2630,11 @@ bool ImGui::Begin(const char* name, bool* p_opened, ImVec2 size, float fill_alph
}
else
{
// FIXME: We should draw 4 triangles and decide on a size that's not dependant on the rounding size (previously used 18)
// FIXME: We should draw 4 triangles and decide on a size that's not dependent on the rounding size (previously used 18)
const ImVec2 offset(GImGui.IO.PixelCenterOffset,GImGui.IO.PixelCenterOffset);
window->DrawList->AddArc(br - ImVec2(r,r), r, resize_col, 6, 9, true);
window->DrawList->AddTriangleFilled(br+ImVec2(0,-2*r),br+ImVec2(0,-r),br+ImVec2(-r,-r), resize_col);
window->DrawList->AddTriangleFilled(br+ImVec2(-r,-r), br+ImVec2(-r,0),br+ImVec2(-2*r,0), resize_col);
window->DrawList->AddTriangleFilled(br-offset+ImVec2(0,-2*r),br-offset+ImVec2(0,-r),br-offset+ImVec2(-r,-r), resize_col);
window->DrawList->AddTriangleFilled(br-offset+ImVec2(-r,-r), br-offset+ImVec2(-r,0),br-offset+ImVec2(-2*r,0), resize_col);
}
}
}