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path: root/thirdparty/thorvg/src/lib/tvgFill.h
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/*
 * Copyright (c) 2020 - 2022 Samsung Electronics Co., Ltd. All rights reserved.

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef _TVG_FILL_H_
#define _TVG_FILL_H_

#include <cstdlib>
#include <cstring>
#include "tvgCommon.h"

template<typename T>
struct DuplicateMethod
{
    virtual ~DuplicateMethod() {}
    virtual T* duplicate() = 0;
};

template<class T>
struct FillDup : DuplicateMethod<Fill>
{
    T* inst = nullptr;

    FillDup(T* _inst) : inst(_inst) {}
    ~FillDup() {}

    Fill* duplicate() override
    {
        return inst->duplicate();
    }
};

struct Fill::Impl
{
    ColorStop* colorStops = nullptr;
    Matrix* transform = nullptr;
    uint32_t cnt = 0;
    FillSpread spread;
    DuplicateMethod<Fill>* dup = nullptr;
    uint32_t id;

    ~Impl()
    {
        if (dup) delete(dup);
        free(colorStops);
        free(transform);
    }

    void method(DuplicateMethod<Fill>* dup)
    {
        this->dup = dup;
    }

    Fill* duplicate()
    {
        auto ret = dup->duplicate();
        if (!ret) return nullptr;

        ret->pImpl->cnt = cnt;
        ret->pImpl->spread = spread;
        ret->pImpl->colorStops = static_cast<ColorStop*>(malloc(sizeof(ColorStop) * cnt));
        memcpy(ret->pImpl->colorStops, colorStops, sizeof(ColorStop) * cnt);
        if (transform) {
            ret->pImpl->transform = static_cast<Matrix*>(malloc(sizeof(Matrix)));
            *ret->pImpl->transform = *transform;
        }
        return ret;
    }
};

#endif  //_TVG_FILL_H_