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Add ability to test arbitrary rectangle for visibility without need of moving cursor.

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This commit is contained in:
Michał Cichoń 2016-08-05 11:47:16 +02:00
parent 907265d632
commit 7588dfb67e
2 changed files with 7 additions and 0 deletions
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6
imgui.cpp
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@ -9102,6 +9102,12 @@ bool ImGui::IsRectVisible(const ImVec2& size)
return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size));
}
bool ImGui::IsRectVisible(const ImVec2& a, const ImVec2& b)
{
ImGuiWindow* window = GetCurrentWindowRead();
return window->ClipRect.Overlaps(ImRect(a, b));
}
// Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.)
void ImGui::BeginGroup()
{

1
imgui.h
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@ -410,6 +410,7 @@ namespace ImGui
IMGUI_API bool IsRootWindowOrAnyChildFocused(); // is current root window or any of its child (including current window) focused
IMGUI_API bool IsRootWindowOrAnyChildHovered(); // is current root window or any of its child (including current window) hovered and hoverable (not blocked by a popup)
IMGUI_API bool IsRectVisible(const ImVec2& size); // test if rectangle of given size starting from cursor pos is visible (not clipped). to perform coarse clipping on user's side (as an optimization)
IMGUI_API bool IsRectVisible(const ImVec2& a, const ImVec2& b); // "
IMGUI_API bool IsPosHoveringAnyWindow(const ImVec2& pos); // is given position hovering any active imgui window
IMGUI_API float GetTime();
IMGUI_API int GetFrameCount();