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Viewport,Platform: Added GetWindowDpiScale() platform interface, changes of scale are reflected by positioning and resizing windows in their given viewport. (#1542)

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omar
2018-02-26 16:35:18 +01:00
parent 1eb89d7e3b
commit 43f375b2f2
3 changed files with 44 additions and 4 deletions
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3
imgui_internal.h
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@ -546,7 +546,7 @@ struct ImGuiViewport
bool PlatformRequestResize; // Platform window requested resize
void* RendererUserData; // void* to hold custom data structure for the renderer (e.g. framebuffer)
ImGuiViewport(ImGuiID id, int idx) { ID = id; Idx = idx; Flags = 0; LastFrameActive = LastFrameAsRefViewport = -1; LastNameHash = 0; Window = NULL; PlatformDpiScale = 1.0f; PlatformUserData = PlatformHandle = NULL; PlatformRequestClose = PlatformRequestResize = false; RendererUserData = NULL; }
ImGuiViewport(ImGuiID id, int idx) { ID = id; Idx = idx; Flags = 0; LastFrameActive = LastFrameAsRefViewport = -1; LastNameHash = 0; Window = NULL; PlatformDpiScale = 0.0f; PlatformUserData = PlatformHandle = NULL; PlatformRequestClose = PlatformRequestResize = false; RendererUserData = NULL; }
~ImGuiViewport() { IM_ASSERT(PlatformUserData == NULL && RendererUserData == NULL); }
ImRect GetRect() const { return ImRect(Pos.x, Pos.y, Pos.x + Size.x, Pos.y + Size.y); }
float GetNextX() const { const float SPACING = 4.0f; return Pos.x + Size.x + SPACING; }
@ -1092,6 +1092,7 @@ namespace ImGui
IMGUI_API ImGuiViewport* FindViewportByID(ImGuiID id);
IMGUI_API ImGuiViewport* FindViewportByPlatformHandle(void* platform_handle);
IMGUI_API void SetNextWindowViewport(ImGuiID id);
IMGUI_API void ScaleWindowsInViewport(ImGuiViewport* viewport, float scale);
IMGUI_API void ShowViewportThumbnails();
IMGUI_API void DestroyViewportsPlaformData(ImGuiContext* context);
IMGUI_API void DestroyViewportsRendererData(ImGuiContext* context);