SdlBoxView.h

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// SdlBoxView.h
//
// Copyright (c) 2016 Michael Imamura.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.

#pragma once

#include "SdlView.h"

#if defined(_WIN32) && defined(HR_ENGINE_SHARED)
#   ifdef MR_ENGINE
#       define MR_DllDeclare   __declspec( dllexport )
#   else
#       define MR_DllDeclare   __declspec( dllimport )
#   endif
#else
#   define MR_DllDeclare
#endif

namespace HoverRace {
    namespace Display {
        namespace SDL {
            class SdlDisplay;
        }
    }
}

namespace HoverRace {
namespace Display {
namespace SDL {

template<class T>
class MR_DllDeclare SdlBoxView : public SdlView<T>
{
    using SUPER = SdlView<T>;

public:
    SdlBoxView(SdlDisplay &disp, T &model) :
        SUPER(disp, model), screenPos(0, 0), screenSize(0, 0) { }
    virtual ~SdlBoxView() { }

public:
    Vec2 GetScreenPos() const override { return screenPos; }
    Vec2 GetScreenSize() const override { return screenSize; }

protected:
    void CalcScreenBounds()
    {
        const Vec2 &size = this->model.GetSize();
        double w = size.x;
        double h = size.y;

        screenPos = this->display.LayoutUiPosition(
            this->model.GetAlignedPos(w, h),
            this->model.GetLayoutFlags());

        if (!this->model.IsLayoutUnscaled()) {
            double uiScale = this->display.GetUiScale();
            w *= uiScale;
            h *= uiScale;
        }
        screenSize.x = w;
        screenSize.y = h;
    }

protected:
    Vec2 screenPos;
    Vec2 screenSize;
};

}  // namespace SDL
}  // namespace Display
}  // namespace HoverRace

#undef MR_DllDeclare