UnrealWindowViewportClient.cpp

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// Copyright (c) 2023 FrostBit Software Lab at the Lapland University of Applied Sciences
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#include "UnrealWindowViewportClient.h"
 
#include "CanvasItem.h"
#include "CanvasTypes.h"
 
void FUnrealWindowViewportClient::Draw(FViewport* Viewport, FCanvas* Canvas)
{
    if (texture != nullptr)
    {
        // Draw texture to canvas
        FCanvasTileItem TileItem(FVector2D(0, 0), texture, FVector2D(width, height), FLinearColor::White);
        TileItem.BlendMode = ESimpleElementBlendMode::SE_BLEND_Opaque;
        Canvas->DrawItem(TileItem);
    }
    else
    {
        Canvas->Clear(FLinearColor::Black);
    }
}
 
bool FUnrealWindowViewportClient::InputKey(FViewport* Viewport, int32 ControllerId, FKey Key, EInputEvent Event, float AmountDepressed, bool bGamepad)
{
    return false;
}
 
bool FUnrealWindowViewportClient::InputAxis(FViewport* Viewport, int32 ControllerId, FKey Key, float Delta, float DeltaTime, int32 NumSamples, bool bGamepad)
{
    return false;
}
 
bool FUnrealWindowViewportClient::InputGesture(FViewport* Viewport, EGestureEvent GestureType, const FVector2D & GestureDelta, bool bIsDirectionInvertedFromDevice)
{
    return false;
}