VirtualFramework/Assets/Scripts/UI/UIDraw.cs

using UnityEngine;
using UnityEngine.UI;
using QFramework;
using System.IO;
using UnityEngine.Rendering.Universal;
using TMPro;
using UnityEngine.EventSystems;
using DG.Tweening;

namespace QFramework.Example
{
    public class UIDrawData : UIPanelData
    {
    }

    public partial class UIDraw : UIPanel
    {

        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIDrawData ?? new UIDrawData();



            // ¹Ø±Õ°´Å¥¼àÌý
            CloseBtn.onClick.AddListener(() =>
            {
                StringEventSystem.Global.Send($"On{UIDraw.Name}Close");
                Hide();
            });


            PenSizeSlider.onValueChanged.AddListener(value =>
            {
                RefreshPenSize();
            });


            AlphaSlider.onValueChanged.AddListener(value =>
            {
                RefreshAlphaSet();
            });

            PenHandle.OnPointerEnterEvent(data =>
            {
                Penvalue.gameObject.SetActive(true);
            });



            AlphaHandle.OnPointerEnterEvent(data =>
            {
                AlphaValue.gameObject.SetActive(true);
            });



            HideBtn.onValueChanged.AddListener(isOn =>
            {
                if (isOn)
                {
                    Content.GetComponent<DOTweenAnimation>().DORestart();
                    HideBtn.transform.Find("Label").GetComponent<TextMeshProUGUI>().text = "ÏÔʾ";
                }
                else
                {

                    Content.GetComponent<DOTweenAnimation>().DOPlayBackwards();
                    HideBtn.transform.Find("Label").GetComponent<TextMeshProUGUI>().text = "Òþ²Ø";
                }
            });


            foreach (var toggle in Colors.GetComponentsInChildren<Toggle>())
            {
                toggle.onValueChanged.AddListener(isOn =>
                {
                    if (isOn)
                    {
                        ChangeColor(toggle.transform.Find("Color").GetComponent<Image>().color);
                    }
                });
            }

            BackBtn.onClick.AddListener(() =>
            {
                ScreenShotPainter.instance.Undo();
            });
            ClearBtn.onClick.AddListener(() =>
            {
                ScreenShotPainter.instance.Clear();
            });

            Pen.onValueChanged.AddListener(isOn =>
            {
                if (isOn)
                {
                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Pen);
                }
            });
            Eraser.onValueChanged.AddListener(isOn =>
            {
                if (isOn)
                {
                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Eraser);
                }
            });
            Line.onValueChanged.AddListener(isOn =>
            {
                if (isOn)
                {
                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Line);
                }

            });


        }
        public void ChangeColor(Color color)
        {
            Icon.color = new Color(color.r, color.g, color.b, Icon.color.a);
            ScreenShotPainter.instance.SetPaintColor(Icon.color);
        }

        public void RefreshPenSize()
        {
            var normalValue = PenSizeSlider.value / PenSizeSlider.maxValue;
            float size = PaintingParams.BrushSizeMaxValue + (1 - normalValue) * PaintingParams.BrushSizeFactor;
            //ScreenShotPainter.instance.SetPaintingSize(size);

            float sizeY = ((float)Screen.height / (float)Screen.width) * size;

            ScreenShotPainter.instance.SetPaintingSize(size, sizeY);

            float width = Screen.width / size;
            float height = Screen.width / size;//²»Ëõ·ÅyÖáÁË
            Icon.transform.localScale = new Vector3(width / Icon.rectTransform.rect.width, height / Icon.rectTransform.rect.height, 1);



            Penvalue.text = PenSizeSlider.value.ToString();
        }

        public void RefreshAlphaSet()
        {
            var color = Icon.color;
            color.a = AlphaSlider.value / 100f;
            Icon.color = color;
            ScreenShotPainter.instance.SetPaintColor(Icon.color);
            AlphaValue.text = AlphaSlider.value.ToString();
        }

        public void SetupCameraStack(Camera subCamera, Camera baseCamera)
        {
            UniversalAdditionalCameraData additionalCameraData = baseCamera.GetUniversalAdditionalCameraData();
            if (!additionalCameraData.cameraStack.Contains(subCamera))
            {
                additionalCameraData.cameraStack.Add(subCamera);
            }
        }



        void Update()
        {

            if (Input.GetMouseButtonUp(0))
            {
                Penvalue.gameObject.SetActive(false);
                AlphaValue.gameObject.SetActive(false);
            }

        }


        private void HandleSaveClearColorInput()
        {
            if (Input.GetKeyDown(KeyCode.S))
            {
                SaveDrawing();
            }

        }

        // ±£´æ»æÖƽá¹ûµÄ·½·¨
        private void SaveDrawing()
        {
            string filePath = Application.dataPath + "/Drawings/" + System.DateTime.Now.ToString("yyyyMMddHHmmss") + ".png";
            // ´´½¨±£´æÎļþ¼Ð
            Directory.CreateDirectory(Path.GetDirectoryName(filePath));
            ScreenCapture.CaptureScreenshot(filePath);
            Debug.Log("Drawing saved to: " + filePath);
        }


        protected override void OnOpen(IUIData uiData = null)
        {
            Show3DCamera.instance.lockMove = true;
            DrawController.instance.gameObject.SetActive(true);
            ScreenShotPainter.instance.Init(RawImg, captureBGImg);
            ScreenShotPainter.instance.SwitchOn(true);
            ScreenShotPainter.instance.SetPaintColor(Icon.color);
            RefreshAlphaSet();
            RefreshPenSize();
        }

        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
            Show3DCamera.instance.lockMove = false;
            DrawController.instance.gameObject.SetActive(false);
        }

        protected override void OnClose()
        {
        }
    }
}