godot/thirdparty/thorvg/src/loaders/svg/tvgSvgLoader.h

/*
 * Copyright (c) 2020 - 2023 the ThorVG project. 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_SVG_LOADER_H_
#define _TVG_SVG_LOADER_H_

#include "tvgTaskScheduler.h"
#include "tvgSvgLoaderCommon.h"

class SvgLoader : public LoadModule, public Task
{
public:
    string filePath;
    string svgPath = "";
    const char* content = nullptr;
    uint32_t size = 0;

    SvgLoaderData loaderData;
    unique_ptr<Scene> root;

    bool copy = false;

    SvgLoader();
    ~SvgLoader();

    using LoadModule::open;
    bool open(const string& path) override;
    bool open(const char* data, uint32_t size, bool copy) override;
    bool resize(Paint* paint, float w, float h) override;
    bool read() override;
    bool close() override;

    unique_ptr<Paint> paint() override;

private:
    SvgViewFlag viewFlag = SvgViewFlag::None;
    AspectRatioAlign align = AspectRatioAlign::XMidYMid;
    AspectRatioMeetOrSlice meetOrSlice = AspectRatioMeetOrSlice::Meet;
    float vx = 0;
    float vy = 0;
    float vw = 0;
    float vh = 0;

    bool header();
    void clear(bool all = true);
    void run(unsigned tid) override;
};


#endif //_TVG_SVG_LOADER_H_