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64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "UMGPrivatePCH.h"
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#include "Slate/SlateBrushAsset.h"
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#include "WidgetLayoutLibrary.h"
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#define LOCTEXT_NAMESPACE "UMG"
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/////////////////////////////////////////////////////
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// UWidgetLayoutLibrary
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UWidgetLayoutLibrary::UWidgetLayoutLibrary(const FPostConstructInitializeProperties& PCIP)
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: Super(PCIP)
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{
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}
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float UWidgetLayoutLibrary::GetViewportScale(UObject* WorldContextObject)
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{
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UWorld* World = GEngine->GetWorldFromContextObject(WorldContextObject);
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if ( World && World->IsGameWorld() )
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{
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if ( UGameViewportClient* ViewportClient = World->GetGameViewport() )
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{
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FVector2D ViewportSize;
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ViewportClient->GetViewportSize(ViewportSize);
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return GetDefault<URendererSettings>(URendererSettings::StaticClass())->GetDPIScaleBasedOnSize(FIntPoint(ViewportSize.X, ViewportSize.Y));
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}
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}
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return 1;
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}
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FVector2D UWidgetLayoutLibrary::GetViewportSize(UObject* WorldContextObject)
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{
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UWorld* World = GEngine->GetWorldFromContextObject(WorldContextObject);
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if ( World && World->IsGameWorld() )
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{
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if ( UGameViewportClient* ViewportClient = World->GetGameViewport() )
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{
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FVector2D ViewportSize;
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ViewportClient->GetViewportSize(ViewportSize);
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return ViewportSize;
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}
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}
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return FVector2D(1, 1);
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}
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UCanvasPanelSlot* UWidgetLayoutLibrary::SlotAsCanvasSlot(UWidget* ChildWidget)
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{
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return Cast<UCanvasPanelSlot>(ChildWidget->Slot);
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}
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UGridSlot* UWidgetLayoutLibrary::SlotAsGridSlot(UWidget* ChildWidget)
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{
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return Cast<UGridSlot>(ChildWidget->Slot);
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}
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UUniformGridSlot* UWidgetLayoutLibrary::SlotAsUniformGridSlot(UWidget* ChildWidget)
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{
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return Cast<UUniformGridSlot>(ChildWidget->Slot);
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}
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#undef LOCTEXT_NAMESPACE |