SdlLabelView.h

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// SdlLabelView.h
//
// Copyright (c) 2013, 2014 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 "SdlDisplay.h"
#include "SdlTexture.h"
#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 {
        class Label;
    }
}

namespace HoverRace {
namespace Display {
namespace SDL {

class MR_DllDeclare SdlLabelView : public SdlView<Label>
{
    using SUPER = SdlView<Label>;

public:
    SdlLabelView(SdlDisplay &disp, Label &model);
    virtual ~SdlLabelView();

public:
    void OnModelUpdate(int prop) override;

public:
    Vec3 Measure() override;
    void PrepareRender() override;
    void Render() override;

private:
    void UpdateBlank();
    void UpdateTexture();
    void UpdateTextureColor();

private:
    std::unique_ptr<SdlTexture> texture;
    bool colorChanged;
    int width;
    int height;
    int realWidth;
    int realHeight;
    double unscaledWidth;
    double unscaledHeight;
    boost::signals2::scoped_connection uiScaleChangedConnection;
};

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

#undef MR_DllDeclare