/*
 * Copyright (c) 2023 - 2025 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.
 */

#include "Example.h"

/************************************************************************/
/* ThorVG Drawing Contents                                              */
/************************************************************************/

struct UserExample : tvgexam::Example
{
    bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
    {
        if (!canvas) return false;

        //BG
        auto bg = tvg::Shape::gen();
        bg->appendRect(0, 0, w, h);
        bg->fill(100, 100, 100);
        canvas->push(bg);

        //Create a Scene
        auto scene = tvg::Scene::gen();
        scene->blend(tvg::BlendMethod::Add);

        //Prepare Circle
        auto shape1 = tvg::Shape::gen();
        shape1->appendCircle(400, 400, 250, 250);
        shape1->fill(255, 255, 0);
        scene->push(shape1);

        //Round rectangle
        auto shape2 = tvg::Shape::gen();
        shape2->appendRect(450, 100, 200, 200, 50, 50);
        shape2->fill(0, 255, 0);
        shape2->strokeWidth(10);
        shape2->strokeFill(255, 255, 255);
        scene->push(shape2);

        //Draw the Scene onto the Canvas
        canvas->push(scene);

        //Create a Scene 2
        auto scene2 = tvg::Scene::gen();
        scene2->opacity(127);              //Apply opacity to scene (0 - 255)
        scene2->blend(tvg::BlendMethod::Overlay);
        scene2->scale(1.2);

        //Star
        auto shape3 = tvg::Shape::gen();

        //Appends Paths
        shape3->moveTo(199, 34);
        shape3->lineTo(253, 143);
        shape3->lineTo(374, 160);
        shape3->lineTo(287, 244);
        shape3->lineTo(307, 365);
        shape3->lineTo(199, 309);
        shape3->lineTo(97, 365);
        shape3->lineTo(112, 245);
        shape3->lineTo(26, 161);
        shape3->lineTo(146, 143);
        shape3->close();
        shape3->fill(0, 0, 255);
        shape3->strokeWidth(10);
        shape3->strokeFill(255, 255, 255);
        shape3->opacity(127);

        scene2->push(shape3);

        //Circle
        auto shape4 = tvg::Shape::gen();

        auto cx = 150.0f;
        auto cy = 150.0f;
        auto radius = 50.0f;
        auto halfRadius = radius * 0.552284f;

        //Append Paths
        shape4->moveTo(cx, cy - radius);
        shape4->cubicTo(cx + halfRadius, cy - radius, cx + radius, cy - halfRadius, cx + radius, cy);
        shape4->cubicTo(cx + radius, cy + halfRadius, cx + halfRadius, cy + radius, cx, cy+ radius);
        shape4->cubicTo(cx - halfRadius, cy + radius, cx - radius, cy + halfRadius, cx - radius, cy);
        shape4->cubicTo(cx - radius, cy - halfRadius, cx - halfRadius, cy - radius, cx, cy - radius);
        shape4->close();
        shape4->fill(255, 0, 0);
        shape4->strokeWidth(10);
        shape4->strokeFill(0, 0, 255);
        shape4->opacity(200);
        shape4->scale(3);
        scene2->push(shape4);

        //Draw the Scene onto the Canvas
        canvas->push(scene2);

        return true;
    }
};


/************************************************************************/
/* Entry Point                                                          */
/************************************************************************/

int main(int argc, char **argv)
{
    return tvgexam::main(new UserExample, argc, argv);
}