YiGradient.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_GRADIENT_H_
#define _YI_GRADIENT_H_

#include "framework/YiPredef.h"

#include <glm/vec2.hpp>

class CYIGradient
{
public:
    struct YI_GRADIENT_STOP
    {
        float fOffset;
        uint32_t nColor;
        YI_GRADIENT_STOP() : fOffset(.0f), nColor(0) {}
    };

    CYIGradient();
    virtual ~CYIGradient();

    void SetDirectionVector(glm::vec2 directionVector);

    void AddStop(float fOffset, uint32_t nColor);

    void ClearStops();

    uint32_t GetStopDataSize();

    bool GetStopDataAt(uint32_t nIndex, YI_GRADIENT_STOP *pDataOut);

    glm::vec2 GetDirectionVector();

protected:
    glm::vec2                       m_directionVector;
    std::vector<YI_GRADIENT_STOP>   m_StopData;
};

#endif // _YI_GRADIENT_H_