Unity EditorGUILayout 製作圖片匯入實例

Script(C#):

using UnityEngine;
using System.Collections;
using UnityEditor;

public class Material : EditorWindow{

    GUIStyle style = new GUIStyle();
    SystemWindowsForm windowsForm = new SystemWindowsForm();
    Vector2 scrollPositionBackGround;

    [MenuItem("遊戲控制器視窗/2D/素材")]
    static void materialWindowFunction() {
        Material materialWindow = new Material();
        materialWindow = (Material)EditorWindow.GetWindow(typeof(Material));
        materialWindow.Show();
    }

    void OnGUI() {
        
        // GUI 風格
        style.fontSize = 18;
        style.normal.textColor = Color.white;

        // GUILayout 自訂位置
        GUILayout.BeginArea(new Rect(0, 0, 170, 30));
        GUILayout.Label("圖片", style);
        GUILayout.EndArea();

        GUILayout.BeginArea(new Rect(0, 30, 170, 30));
        GUILayout.Label("圖片路徑位置:", style);
        GUILayout.EndArea();

        // 背景圖片的路徑名稱
        GUILayout.BeginArea(new Rect(0, 60, 200, 60));
        scrollPositionBackGround = GUILayout.BeginScrollView(scrollPositionBackGround, GUILayout.Width(200),GUILayout.Height(60));
        GUILayout.Box(windowsForm.pathTpye, style);
        GUILayout.EndScrollView();
        GUILayout.EndArea();

        // 背景圖片讀取事件
        EditorGUILayout.BeginHorizontal();
        if (GUI.Button(new Rect(0, 130, 170, 30), GUIContent.none))
            windowsForm.openFile();
        
        GUILayout.BeginArea(new Rect(0, 130, 170, 30));
        GUILayout.Label("背景圖片匯入", style);
        GUILayout.EndArea();
        EditorGUILayout.EndHorizontal();

        // 背景圖片匯入事件
        EditorGUILayout.BeginHorizontal();
        if (GUI.Button(new Rect(180, 130, 50, 30), GUIContent.none))
        {
            if (windowsForm.pathTpye.Equals("No Image"))
                windowsForm.messag("讀不到路徑");
            else {
                windowsForm.CodyImage();
            }
        }
            
        GUILayout.BeginArea(new Rect(180, 130, 50, 30));
        GUILayout.Label("確定", style);
        GUILayout.EndArea();
        EditorGUILayout.EndHorizontal();
    }
}

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Script (C#):

using System.Collections;

using System.Windows.Forms;

using System.IO;

using System.Drawing;

using UnityEngine;

public class SystemWindowsForm{

    OpenFileDialog openFileDialog = new OpenFileDialog();

    // 檔案路徑

    private string path = "No Image";

    public string pathTpye {

        get { return path; }

    }

    private string fileName;

    /// <summary>

    /// messageBox 訊息列

    /// </summary>

    /// <param string="訊息"></param>

    public void messag(string message) {

        MessageBox.Show(message);

    }

    /// <summary>

    /// 開啟檔案

    /// </summary>

    public void openFile() {

        openFileDialog.Title = "開啟檔案";

        openFileDialog.Filter = "PNG Image|*.png|JPG Image|*.jpg";

        openFileDialog.ShowDialog();

        switch (openFileDialog.FilterIndex) {

            case 1:

                if (File.Exists(openFileDialog.FileName))

                    path = openFileDialog.FileName;

                    fileName = openFileDialog.SafeFileName;

                break;

            case 2:

                if (File.Exists(openFileDialog.FileName))

                    path = openFileDialog.FileName;

                    fileName = openFileDialog.SafeFileName;

                break;

                

        }

    }

    public void CodyImage() {

        string localPaht = UnityEngine.Application.dataPath + "/GameController/Textrue2D/Background/";

        Bitmap image = new Bitmap(path);

        // 翻轉

        image.RotateFlip(RotateFlipType.Rotate180FlipX); 

        Texture2D readImage = new Texture2D(image.Width, image.Height);

        for (int x = 0; x < image.Width; x++) {

            for (int y = 0; y < image.Height; y++) {

                readImage.SetPixel(x, y, new Color32(image.GetPixel(x, y).R,

                    image.GetPixel(x,y).G,

                    image.GetPixel(x,y).B,

                    image.GetPixel(x,y).A));

            }

        }

        readImage.Apply();

        byte[] imageDate = readImage.EncodeToPNG();

        File.WriteAllBytes(localPaht + fileName, imageDate);

        messag("匯入完成");

    }

}

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結果圖: