重写画板功能

Assets/Art/UIPrefab/UIDraw.prefab

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Assets/Draw/Resources/Shaders/CaptureBGMat.mat

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Assets/Draw/Resources/Shaders/CaptureGray.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Unlit/CaptureGray"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+		_Color("Color",Color)=(1,1,1,1)
+		//_OutRegionTex ("OutRegionTexture", 2D) = "white" {}
+		//_LeftDownConner("UV",Vector)=(0,0,0,0)
+		//_RightUpConner("UV",Vector)=(0,0,0,0)
+		_Rect("Rect",Vector)=(0,0,1,1)
+	}
+	SubShader
+	{
+		Tags { "RenderType"="Transparent" }
+		LOD 100
+		ZTest Always Cull Off ZWrite Off Fog{ Mode Off }
+		Blend SrcAlpha OneMinusSrcAlpha
+		//Blend One DstColor
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			//fixed4 _LeftDownConner;
+			//fixed4 _RightUpConner;
+			fixed4 _Rect;
+			fixed4 _Color;
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				return o;
+			}
+			
+			fixed4 frag (v2f i) : SV_Target
+			{
+			    fixed4 col =_Color;
+				float2 uv = i.uv ;
+				if(uv.x> _Rect.x&&uv.x< _Rect.z && uv.y> _Rect.y&&uv.y< _Rect.w)
+				   col.a = 0;
+			
+				return col;
+			}
+			ENDCG
+		}
+	}
+}

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Assets/Draw/Resources/Shaders/ClearBrush.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Unlit/ClearBrush"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+	}
+	SubShader
+	{
+		Tags { "RenderType"="Opaque" }
+		LOD 100
+		ZTest Always Cull Off ZWrite Off Fog{ Mode Off }
+		Blend One DstColor
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				return o;
+			}
+			
+			fixed4 frag (v2f i) : SV_Target
+			{
+				// sample the texture
+				fixed4 col = tex2D(_MainTex, i.uv);
+				col = 0;
+				return col;
+			}
+			ENDCG
+		}
+	}
+}

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Assets/Draw/Resources/Shaders/EraserBrush.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Unlit/EraserBrush"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+		_BrushTex("Brush Texture",2D)= "white" {}
+		_Color("Color",Color)=(1,1,1,1)
+		_UV("UV",Vector)=(0,0,0,0)
+		_Size("Size",Range(1,1000))=1
+
+		
+		_SizeY("SizeY",Range(1,1000))=1
+	}
+	SubShader
+	{
+		Tags { "RenderType"="Transparent" }
+		LOD 100
+		ZTest Always Cull Off ZWrite Off Fog{ Mode Off }
+		Blend Off
+		//Blend One DstColor
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			sampler2D _BrushTex;
+			fixed4 _UV;
+			float _Size;
+			float _SizeY;
+			fixed4 _Color;
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				return o;
+			}
+			
+			fixed4 frag (v2f i) : SV_Target
+			{
+				// sample the texture
+		       float size = _Size;
+               float2 uv = i.uv + (0.5f / size);
+               uv = uv - _UV.xy;
+               uv *= size;
+
+
+
+
+
+			   float sizeY = _SizeY;
+			   uv.y=uv.y*sizeY/size;
+
+			   	float cirle =  pow(uv.x-0.5f, 2)+pow(uv.y-0.5f*sizeY/size, 2);
+				if(cirle>0.25f)
+				   discard;
+				fixed4 col = tex2D(_BrushTex,uv);
+				col.rgb = 1;
+				col *= _Color;
+
+				return col;
+			}
+			ENDCG
+		}
+	}
+}

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Assets/Draw/Resources/Shaders/PaintBrush.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Unlit/PaintBrush"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+		_BrushTex("Brush Texture",2D)= "white" {}
+		_Color("Color",Color)=(1,1,1,1)
+		_UV("UV",Vector)=(0,0,0,0)
+		_Size("Size",Range(1,1000))=1
+
+		_SizeY("SizeY",Range(1,1000))=1
+	}
+	SubShader
+	{
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+		LOD 100
+		ZTest Always Cull Off ZWrite Off Fog{ Mode Off }
+		Blend SrcAlpha OneMinusSrcAlpha
+		//Blend One DstColor
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			sampler2D _BrushTex;
+			fixed4 _UV;
+			float _Size;
+			float _SizeY;
+			fixed4 _Color;
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				return o;
+			}
+			
+			fixed4 frag (v2f i) : SV_Target
+			{
+				// sample the texture
+
+		
+
+		       float size = _Size;
+               float2 uv = i.uv + (0.5f / size);
+               uv = uv - _UV.xy;
+               uv *= size;
+
+			   float sizeY = _SizeY;
+			   uv.y=uv.y*sizeY/size;
+
+			   fixed4 col = tex2D(_BrushTex,uv);
+			
+				col.rgb = 1;
+				col *= _Color;
+				return col;
+			}
+			ENDCG
+		}
+	}
+}

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+  swizzle: 50462976
+  cookieLightType: 1
+  platformSettings:
+  - serializedVersion: 3
+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Standalone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: WebGL
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Server
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+    bones: []
+    spriteID: 5e97eb03825dee720800000000000000
+    internalID: 0
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+    secondaryTextures: []
+    nameFileIdTable: {}
+  mipmapLimitGroupName: 
+  pSDRemoveMatte: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Draw/Scripts.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 358f091379c297d4cacfa04f20e1d0e8
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Draw/Scripts/GraffitiSettingView.cs

@@ -0,0 +1,194 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class GraffitiSettingView : MonoBehaviour
+{
+    public GameObject ViewRootNode;
+    public Slider BrushSizeSlider;
+    public Slider EraserSizeSlider;
+    public Image BrushUIIcon;
+    public Image EraserUIIcon;
+    public Button SaveButton;
+
+    public Button EraserButton;
+    public Button PaintButton;
+    public Text Tip;
+
+
+
+    [Range(0,1)]
+    public float DefaultBrushSliderValue;
+    [Range(0, 1)]
+    public float DefaultEraserSliderValue;
+
+    public Color DefaultBrushColor;
+    public RawImage EraserIcon;
+	void Start () {
+        DefaultBrushSliderValue = 1-(PaintingParams.BrushDefaultSize- PaintingParams.BrushSizeMaxValue) /PaintingParams.BrushSizeFactor;
+        DefaultEraserSliderValue = 1 - (PaintingParams.EraserDefaultSize - PaintingParams.EraserSizeMaxValue) / PaintingParams.EraserSizeFactor;
+
+
+        DefaultBrushColor = new Color(0, 0, 0, 1);
+        ScreenShotPainter.instance.FinishedRegionEvent.AddListener(() =>
+        {
+            ViewRootNode.SetActive(true);
+    
+        });
+        ScreenShotPainter.instance.CannelRegionEvent.AddListener(() =>
+        {
+            ViewRootNode.SetActive(false);
+        });
+        ScreenShotPainter.instance.FinishedCapture.AddListener(() =>
+        {
+            ViewRootNode.SetActive(false);
+            Tip.gameObject.SetActive(false);
+        });
+        ScreenShotPainter.instance.EnterCaptureModeEvent.AddListener(() =>
+        {
+            InitBrushUI();
+            InitEraserUI();
+            Tip.gameObject.SetActive(true);
+           
+        });
+        ScreenShotPainter.instance.EscapeCaptureEvent.AddListener(() =>
+        {
+            ViewRootNode.SetActive(false);
+            Tip.gameObject.SetActive(false);
+            EraserIcon.gameObject.SetActive(false);
+        });
+        ScreenShotPainter.instance.EraserModeUpdateEvent.AddListener(EraserIconUpdate);
+    }
+	
+	// Update is called once per frame
+	void Update () {
+		
+	}
+
+    public void ChangeBrushColor(Color color)
+    {
+        BrushUIIcon.material.SetColor("_Color", color);
+        ScreenShotPainter.instance.SetPaintColor(color);
+    
+
+    }
+
+    public void OnBrushSliderValueChange()
+    {
+
+        float size = PaintingParams.BrushSizeMaxValue + (1-BrushSizeSlider.value) * 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;//不缩放y轴了
+        BrushUIIcon.transform.localScale = new Vector3(width / BrushUIIcon.rectTransform.rect.width, height / BrushUIIcon.rectTransform.rect.height, 1);
+
+    }
+
+    public void OnEraserSliderValueChange()
+    {
+
+        float size = PaintingParams.EraserSizeMaxValue + (1 - EraserSizeSlider.value) * PaintingParams.EraserSizeFactor;
+
+        float sizeY = ((float)Screen.height / (float)Screen.width) * size;
+
+        ScreenShotPainter.instance.SetEraserSize(size, sizeY);
+
+        float width = Screen.width / size;
+        float height = Screen.width / size;//不缩放y轴了
+        EraserUIIcon.transform.localScale = new Vector3(width / EraserUIIcon.rectTransform.rect.width, height / EraserUIIcon.rectTransform.rect.height, 1);
+
+    }
+    public void SaveScreenShot()
+    {
+        ScreenShotPainter.instance.SaveCapture();
+        ViewRootNode.SetActive(false);
+        Tip.gameObject.SetActive(false);
+    }
+
+    public void ChangeToEraserBtn()
+    {
+        BrushSizeSlider.gameObject.SetActive(false);
+        BrushUIIcon.gameObject.SetActive(false);
+        EraserSizeSlider.gameObject.SetActive(true);
+        EraserUIIcon.gameObject.SetActive(true);
+        ScreenShotPainter.instance.ChangeToEraser(true);
+        
+    }
+    public void ChangeToPaintBtn()
+    {
+        BrushSizeSlider.gameObject.SetActive(true);
+        BrushUIIcon.gameObject.SetActive(true);
+        EraserSizeSlider.gameObject.SetActive(false);
+        EraserUIIcon.gameObject.SetActive(false);
+        ScreenShotPainter.instance.ChangeToEraser(false);
+    }
+
+    public void EraserIconUpdate(bool show)
+    {
+        if (show)
+        {
+            EraserIcon.rectTransform.anchoredPosition=new Vector2(Input.mousePosition.x, Input.mousePosition.y);
+            //大小
+            float size = PaintingParams.EraserSizeMaxValue + (1 - EraserSizeSlider.value) * PaintingParams.EraserSizeFactor;
+            float width = Screen.width/ size;
+            float height = Screen.width / size;//不缩放y轴了
+            EraserIcon.transform.localScale=new Vector3(width/EraserIcon.rectTransform.rect.width, height / EraserIcon.rectTransform.rect.height,1);
+            //EraserIcon.transform.localScale=new Vector3(300/width);
+            EraserIcon.gameObject.SetActive(true);
+        }
+        else
+        {
+            EraserIcon.gameObject.SetActive(false);
+        }
+    }
+    /// <summary>
+    /// 初始化画笔
+    /// </summary>
+    public void InitBrushUI()
+    {
+        BrushUIIcon.material.SetColor("_Color", DefaultBrushColor);
+        ScreenShotPainter.instance.SetPaintColor(DefaultBrushColor);
+
+        BrushSizeSlider.value = DefaultBrushSliderValue;
+        float size = PaintingParams.BrushSizeMaxValue + (1 - DefaultBrushSliderValue) * 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;//不缩放y轴了
+        BrushUIIcon.transform.localScale = new Vector3(width / BrushUIIcon.rectTransform.rect.width, height / BrushUIIcon.rectTransform.rect.height, 1);
+
+        BrushSizeSlider.gameObject.SetActive(true);
+        BrushUIIcon.gameObject.SetActive(true);
+    }
+    /// <summary>
+    /// 初始化橡皮擦
+    /// </summary>
+    public void InitEraserUI()
+    {
+        EraserSizeSlider.value = DefaultEraserSliderValue;
+        float size = PaintingParams.EraserSizeMaxValue + (1 - DefaultEraserSliderValue) * PaintingParams.EraserSizeFactor;
+        //ScreenShotPainter.instance.SetPaintingSize(size);
+
+        float sizeY = ((float)Screen.height / (float)Screen.width) * size;
+
+        ScreenShotPainter.instance.SetEraserSize(size, sizeY);
+
+        float width = Screen.width / size;
+        float height = Screen.width / size;//不缩放y轴了
+        EraserUIIcon.transform.localScale = new Vector3(width / EraserUIIcon.rectTransform.rect.width, height / EraserUIIcon.rectTransform.rect.height, 1);
+        EraserUIIcon.gameObject.SetActive(false);
+        EraserSizeSlider.gameObject.SetActive(false);
+        
+    }
+}

Assets/Draw/Scripts/GraffitiSettingView.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 2a66f3e5857929944836f4346e9b1476
+timeCreated: 1575447009
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Draw/Scripts/ScreenShotPainter.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 79b0867c9de34f244993591484ca0dfb
+timeCreated: 1575706423
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Draw/Scripts/TestGraffitiComponent.cs

@@ -0,0 +1,28 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class TestGraffitiComponent : MonoBehaviour
+{
+    public bool isFullScreen;
+	// Use this for initialization
+	void Start () {
+		
+	}
+	
+	// Update is called once per frame
+	void Update () {
+		
+	}
+
+    public void FullScreenGraffiti()
+    {
+        ScreenShotPainter.instance.SwitchOn(true);
+
+    }
+    public void FreeScreenGraffiti()
+    {
+        ScreenShotPainter.instance.SwitchOn(false);
+    }
+
+}

Assets/Draw/Scripts/TestGraffitiComponent.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 20b5c33222cb1134ca378a897b59b851
+timeCreated: 1575460289
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Draw/Test.unity.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: f1f73df32e71233469be718fcff1f704
+timeCreated: 1575453536
+licenseType: Pro
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scenes/Main.unity

@@ -366,6 +366,7 @@ GameObject:
   - component: {fileID: 555070718}
   - component: {fileID: 555070717}
   - component: {fileID: 555070720}
+  - component: {fileID: 555070721}
   m_Layer: 0
   m_Name: DrawCamera
   m_TagString: Untagged
@@ -498,6 +499,24 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   self: {fileID: 0}
   lineRenderer: {fileID: 612188240}
+--- !u!114 &555070721
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 555070715}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 79b0867c9de34f244993591484ca0dfb, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  _defaultColor: {r: 0, g: 0, b: 0, a: 1}
+  _paintCanvasImg: {fileID: 0}
+  _brushSize: 300
+  _eraserSize: 300
+  _rectColor: {r: 1, g: 0, b: 0, a: 1}
+  _captureWithUI: 0
 --- !u!1 &612188238
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/UI/UIDraw.Designer.cs

@@ -5,7 +5,7 @@ using QFramework;
 
 namespace QFramework.Example
 {
-	// Generate Id:8c5ec0b4-a1fd-4da0-8a13-2042597989ea
+	// Generate Id:fa83cbd2-4e57-43de-97e7-b9a5b8e8da19
 	public partial class UIDraw
 	{
 		public const string Name = "UIDraw";
@@ -66,6 +66,10 @@ namespace QFramework.Example
 		public UnityEngine.UI.Toggle White;
 		[SerializeField]
 		public UnityEngine.UI.Image More;
+		[SerializeField]
+		public UnityEngine.UI.RawImage captureBGImg;
+		[SerializeField]
+		public UnityEngine.UI.RawImage RawImg;
 		
 		private UIDrawData mPrivateData = null;
 		
@@ -99,6 +103,8 @@ namespace QFramework.Example
 			Purple = null;
 			White = null;
 			More = null;
+			captureBGImg = null;
+			RawImg = null;
 			
 			mData = null;
 		}

Assets/Scripts/UI/UIDraw.cs

@@ -3,11 +3,9 @@ using UnityEngine.UI;
 using QFramework;
 using System.IO;
 using UnityEngine.Rendering.Universal;
-using static UnityEngine.GraphicsBuffer;
 using TMPro;
 using UnityEngine.EventSystems;
 using DG.Tweening;
-using static UnityEngine.Rendering.DebugUI;
 
 namespace QFramework.Example
 {
@@ -17,37 +15,11 @@ namespace QFramework.Example
 
     public partial class UIDraw : UIPanel
     {
-        public int brushSize = 5;
-        public LineRenderer curLineRender;
-        private bool isDrawing = false;
-        public Camera drawingCamera; // 用于指定绘制使用的相机
-        public Plane drawingPlane; // 定义绘制平面
 
-        Color eraserColor = new Color(1, 1, 1, 0);
-        enum Tools
-        {
-            Pen,
-            Eraser,
-        }
-
-        Tools curTool = Tools.Pen;
-
-        int orderLayer = 0;
         protected override void OnInit(IUIData uiData = null)
         {
             mData = uiData as UIDrawData ?? new UIDrawData();
 
-            // 获取绘制相机
-            drawingCamera = DrawController.instance.self;
-            if (drawingCamera == null)
-            {
-                Debug.LogError("Drawing camera is not assigned!");
-                return;
-            }
-
-            // 定义绘制平面，这里假设平面的法线为相机的正前方，距离相机为 10 个单位
-            drawingPlane = new Plane(drawingCamera.transform.forward, drawingCamera.transform.position + drawingCamera.transform.forward * 10);
-
 
 
             // ¹Ø±Õ°´Å¥¼àÌý
@@ -112,42 +84,61 @@ namespace QFramework.Example
 
             BackBtn.onClick.AddListener(() =>
             {
-                orderLayer--;
+                ScreenShotPainter.instance.Undo();
-                DrawController.instance.Remove();
             });
             ClearBtn.onClick.AddListener(() =>
             {
-
+                ScreenShotPainter.instance.Clear();
-                orderLayer = 0;
-                DrawController.instance.Clear();
             });
 
             Pen.onValueChanged.AddListener(isOn =>
             {
-                curTool = Tools.Pen;
+                if (isOn)
+                {
+                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Pen);
+                }
             });
             Eraser.onValueChanged.AddListener(isOn =>
             {
-                curTool = Tools.Eraser;
+                if (isOn)
+                {
+                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Eraser);
+                }
+            });
+            Line.onValueChanged.AddListener(isOn =>
+            {
+                if (isOn)
+                {
+                    ScreenShotPainter.instance.SetStatus(ScreenShotPainter.Status.Line);
+                }
+
             });
 
 
-
-            RefreshAlphaSet();
-            RefreshPenSize();
         }
         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 value = PenSizeSlider.value;
+            var normalValue = PenSizeSlider.value / PenSizeSlider.maxValue;
-            float mappedValue = (100f * (value)) / 32f;
+            float size = PaintingParams.BrushSizeMaxValue + (1 - normalValue) * PaintingParams.BrushSizeFactor;
-            // 设置 UI 的长宽
+            //ScreenShotPainter.instance.SetPaintingSize(size);
-            Icon.rectTransform.sizeDelta = new Vector2(mappedValue, mappedValue);
+
-            Penvalue.text = value.ToString();
+            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()
@@ -168,28 +159,6 @@ namespace QFramework.Example
         }
 
 
-        private void SetupLineRenderer()
-        {
-            orderLayer++;
-            switch (curTool)
-            {
-                case Tools.Pen:
-                    curLineRender.startColor = Icon.color;
-                    curLineRender.endColor = Icon.color;
-                    break;
-                case Tools.Eraser:
-                    curLineRender.startColor = eraserColor;
-                    curLineRender.endColor = eraserColor;
-                    break;
-            }
-            curLineRender.startWidth = brushSize / 50f;
-            curLineRender.endWidth = brushSize / 50f;
-            curLineRender.positionCount = 0;
-            curLineRender.useWorldSpace = true; // 使用世界坐标系
-            curLineRender.material.renderQueue = 3000; // 设置较高的渲染队列值，确保置顶显示
-            curLineRender.sortingOrder = orderLayer;
-
-        }
 
         void Update()
         {
@@ -200,57 +169,8 @@ namespace QFramework.Example
                 AlphaValue.gameObject.SetActive(false);
             }
 
-            if (EventSystem.current.IsPointerOverGameObject() == false)
-            {
-                HandleDrawingInput();
-                HandleSaveClearColorInput();
-            }
         }
 
-        private void HandleDrawingInput()
-        {
-            if (Input.GetMouseButtonDown(0))
-            {
-                isDrawing = true;
-                curLineRender = DrawController.instance.LineRendererFactory();
-                SetupLineRenderer();
-                curLineRender.positionCount = 0;
-            }
-            if (Input.GetMouseButtonUp(0))
-            {
-                isDrawing = false;
-                curLineRender = null;
-            }
-
-            if (isDrawing)
-            {
-                Ray ray = drawingCamera.ScreenPointToRay(Input.mousePosition);
-                float enter;
-                if (drawingPlane.Raycast(ray, out enter))
-                {
-                    Vector3 drawPoint = ray.GetPoint(enter);
-
-                    if (ShouldAddNewPoint(drawPoint))
-                    {
-                        AddPointToLineRenderer(drawPoint);
-                    }
-
-                    Debug.DrawRay(ray.origin, ray.direction * enter, Color.red);
-                }
-            }
-        }
-
-        private bool ShouldAddNewPoint(Vector3 drawPoint)
-        {
-            return curLineRender.positionCount == 0 ||
-                   Vector3.Distance(drawPoint, curLineRender.GetPosition(curLineRender.positionCount - 1)) > 0.1f;
-        }
-
-        private void AddPointToLineRenderer(Vector3 drawPoint)
-        {
-            curLineRender.positionCount++;
-            curLineRender.SetPosition(curLineRender.positionCount - 1, drawPoint);
-        }
 
         private void HandleSaveClearColorInput()
         {
@@ -276,6 +196,11 @@ namespace QFramework.Example
         {
             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()