From 7588dfb67e7dd8970b64bffc87c2659fe7684ea5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Micha=C5=82=20Cicho=C5=84?= Date: Fri, 5 Aug 2016 11:47:16 +0200 Subject: [PATCH] Add ability to test arbitrary rectangle for visibility without need of moving cursor. --- imgui.cpp | 6 ++++++ imgui.h | 1 + 2 files changed, 7 insertions(+) diff --git a/imgui.cpp b/imgui.cpp index de569db59..7332d27c8 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -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() { diff --git a/imgui.h b/imgui.h index 67f46c614..40be5091c 100644 --- a/imgui.h +++ b/imgui.h @@ -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();