BmpFrame.h

//Copyright © 2014 SDXFramework
//[License]GNU Affero General Public License, version 3
//[Contact]http://sourceforge.jp/projects/dxframework/
#pragma once
#include <Framework/ImagePack.h>
#include <Framework/IFrame.h>

namespace SDX
{
    class BmpFrame : public IFrame
    {
    private:
        ImagePack *frame = nullptr;
    public:

        BmpFrame() = default;

        BmpFrame(ImagePack *フレーム画像)
        {
            Make(フレーム画像);
        }

        bool Make(ImagePack *フレーム画像)
        {
            if (Loading::IsLoading())
            {
                Loading::AddLoading([=]{ Make(フレーム画像); });
                return true;
            }

            if (フレーム画像->GetSize() != 9) return false;
            frame = フレーム画像;

            return true;
        }

        void Draw(const Rect &領域 , const Color &描画色 = Color::White) const
        {
            if (frame == nullptr){ return; }

            Color color = Screen::GetRenderer()->rgba;

            if (描画色 != Color::White)
            {
                Screen::GetRenderer()->rgba.SetColor
                    (
                        color.GetRed() * 描画色.GetRed() / 255,
                        color.GetGreen() * 描画色.GetGreen() / 255,
                        color.GetBlue() * 描画色.GetBlue() / 255,
                        color.GetAlpha() * 描画色.GetAlpha() / 255                  
                    );
            }

            auto camera = Camera::Get();

            int width = frame->GetWidth();
            int height = frame->GetHeight();
            bool isMin = true;//枠が小さいため部分描画が必要フラグ
            int partW = width;
            int partH = height;
            int partLeft = 0;
            int partTop = 0;

            //外枠
            if (width * 2 > 領域.GetW())
            {
                width = (int)領域.GetW() / 2;
                partW = width;
                partLeft = frame->GetWidth() - width;
                isMin = true;
            }
            if (height * 2 > 領域.GetH())
            {
                height = (int)領域.GetH() / 2;
                partH = height;
                partTop = frame->GetHeight() - height;
                isMin = true;
            }

            if (camera)
            {
                //隙間が出来るのでCameraの機能はここで計算
                Camera::Set();

                width = int(width * camera->zoom);
                height = int(height *camera->zoom);

                //カメラ補正有り
                int xA = (int)camera->TransX(領域.GetLeft());
                int xB = xA + width;
                int xD = (int)camera->TransX(領域.GetRight());
                int xC = xD - width;

                int yA = (int)camera->TransY(領域.GetTop());
                int yB = yA + height;
                int yD = (int)camera->TransY(領域.GetBottom());
                int yC = yD - height;

                //内側
                frame[0][4]->DrawExtend({ xB, yB, xC -xB, yC - yB });

                if (isMin)
                {
                    frame[0][3]->DrawPartExtend({ xA, yB, width, yC - yB }, { 0, 0, width, height});//左
                    frame[0][5]->DrawPartExtend({ xC, yB, width, yC - yB }, { partLeft, 0, width, height });//右

                    frame[0][1]->DrawPartExtend({ xB, yA, xC - xB, height }, { 0, 0, width, height });//上
                    frame[0][7]->DrawPartExtend({ xB, yC, xC - xB, height }, { 0, partTop, width, height });//下

                    frame[0][0]->DrawPartExtend({ xA, yA, width, height }, { 0, 0, width, height });//左上
                    frame[0][2]->DrawPartExtend({ xC, yA, width, height }, { partLeft, 0, width, height });//右上
                    frame[0][6]->DrawPartExtend({ xA, yC, width, height }, { 0, partTop, width, height });//左下
                    frame[0][8]->DrawPartExtend({ xC, yC, width, height }, { partLeft, partTop, width, height });//右下
                }
                else
                {
                    frame[0][3]->DrawExtend({ xA, yB, width, yC - yB });//左
                    frame[0][5]->DrawExtend({ xC, yB, width, yC - yB });//右

                    frame[0][1]->DrawExtend({ xB, yA, xC - xB, height });//上
                    frame[0][7]->DrawExtend({ xB, yC, xC - xB, height });//下

                    frame[0][0]->DrawExtend({ xA, yA, width, height });//左上
                    frame[0][2]->DrawExtend({ xC, yA, width, height });//右上
                    frame[0][6]->DrawExtend({ xA, yC, width, height });//左下
                    frame[0][8]->DrawExtend({ xC, yC, width, height });//右下
                }

                Camera::Set(camera);
            }
            else
            {
                //カメラ補正無し
                int xA = (int)領域.GetLeft();
                int xB = (int)領域.GetLeft() + width;
                int xC = (int)領域.GetRight() - width;
                int yA = (int)領域.GetTop();
                int yB = (int)領域.GetTop() + height;
                int yC = (int)領域.GetBottom() - height;

                //内側
                frame[0][4]->DrawExtend({ xB, yB, 領域.GetW() - width * 2, 領域.GetH() - height * 2 });

                if (isMin)
                {
                    //外枠
                    frame[0][3]->DrawPartExtend({ xA, yB, width, 領域.GetH() - height * 2 }, { 0, 0, width, height });//左
                    frame[0][5]->DrawPartExtend({ xC, yB, width, 領域.GetH() - height * 2 }, { partLeft, 0, width, height });//右

                    frame[0][1]->DrawPartExtend({ xB, yA, 領域.GetW() - width * 2, height }, { 0, 0, width, height });//上
                    frame[0][7]->DrawPartExtend({ xB, yC, 領域.GetW() - width * 2, height }, { 0, partTop, width, height });//下

                    frame[0][0]->DrawPartExtend({ xA, yA, width, height }, { 0, 0, width, height });//左上
                    frame[0][2]->DrawPartExtend({ xC, yA, width, height }, { partLeft, 0, width, height });//右上
                    frame[0][6]->DrawPartExtend({ xA, yC, width, height }, { 0, partTop, width, height });//左下
                    frame[0][8]->DrawPartExtend({ xC, yC, width, height }, { partLeft, partTop, width, height });//右下
                }
                else
                {
                    //外枠
                    frame[0][3]->DrawExtend({ xA, yB, width, 領域.GetH() - height * 2 });//左
                    frame[0][5]->DrawExtend({ xC, yB, width, 領域.GetH() - height * 2 });//右

                    frame[0][1]->DrawExtend({ xB, yA, 領域.GetW() - width * 2, height });//上
                    frame[0][7]->DrawExtend({ xB, yC, 領域.GetW() - width * 2, height });//下

                    frame[0][0]->DrawExtend({ xA, yA, width, height });//左上
                    frame[0][2]->DrawExtend({ xC, yA, width, height });//右上
                    frame[0][6]->DrawExtend({ xA, yC, width, height });//左下
                    frame[0][8]->DrawExtend({ xC, yC, width, height });//右下
                }

            }

            Camera::Set(camera);

            if (描画色 != Color::White)
            {
                Screen::GetRenderer()->rgba = color;
            }
        }
    };
}