test scene for custom view size

Assets/Demo/CustomView.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 157d70e6cb69d4581b4ed450c7ffd33d
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/CustomView.unity.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: dfba9a6f2258941f5b4429fba806d8e9
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Cloud.mat

@@ -0,0 +1,42 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 8
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: UI-Cloud
+  m_Shader: {fileID: 4800000, guid: 6b5e4f608f0684d10a4673a7e1cee0f3, type: 3}
+  m_ValidKeywords: []
+  m_InvalidKeywords:
+  - _COLORMODE_MULTIPRY
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 48901c5d75f8c456aa8f4cd3a6b0160e, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Ints: []
+    m_Floats:
+    - _ColorMask: 15
+    - _ColorMode: 0
+    - _DstBlend: 10
+    - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
+    - _StencilReadMask: 255
+    - _StencilWriteMask: 255
+    - _UseUIAlphaClip: 0
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+  m_BuildTextureStacks: []

Assets/Demo/CustomView/UI-Cloud.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 607b55fe0d4534a56902644d3797abed
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Cloud.png.meta

@@ -0,0 +1,147 @@
+fileFormatVersion: 2
+guid: 48901c5d75f8c456aa8f4cd3a6b0160e
+TextureImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 12
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 0
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 0
+  streamingMipmaps: 0
+  streamingMipmapsPriority: 0
+  vTOnly: 0
+  ignoreMasterTextureLimit: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: 1
+    aniso: 1
+    mipBias: 0
+    wrapU: 1
+    wrapV: 1
+    wrapW: 1
+  nPOTScale: 0
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 1
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spritePixelsToUnits: 100
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spriteGenerateFallbackPhysicsShape: 1
+  alphaUsage: 1
+  alphaIsTransparency: 1
+  spriteTessellationDetail: -1
+  textureType: 0
+  textureShape: 1
+  singleChannelComponent: 0
+  flipbookRows: 1
+  flipbookColumns: 1
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  ignorePngGamma: 0
+  applyGammaDecoding: 1
+  cookieLightType: 1
+  platformSettings:
+  - serializedVersion: 3
+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 256
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Standalone
+    maxTextureSize: 256
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Android
+    maxTextureSize: 256
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 1
+  - serializedVersion: 3
+    buildTarget: WebGL
+    maxTextureSize: 256
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Server
+    maxTextureSize: 256
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+    bones: []
+    spriteID: 5e97eb03825dee720800000000000000
+    internalID: 0
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+    secondaryTextures: []
+    nameFileIdTable: {}
+  spritePackingTag: 
+  pSDRemoveMatte: 0
+  pSDShowRemoveMatteOption: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Color.shader

@@ -0,0 +1,177 @@
+Shader "UI/Color"
+{
+    Properties
+    {
+        _MainTex ("Main Texture", 2D) = "white" {}
+        _Color ("Tint", Color) = (1,1,1,1)
+        [KeywordEnum(Multipry, Additive, Subtract, Fill)] _ColorMode ("Color Mode", Int) = 0
+        [Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("Src Blend Mode", Int) = 1
+        [Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("Dst Blend Mode", Int) = 10
+
+        _StencilComp ("Stencil Comparison", Float) = 8
+        _Stencil ("Stencil ID", Float) = 0
+        _StencilOp ("Stencil Operation", Float) = 0
+        _StencilWriteMask ("Stencil Write Mask", Float) = 255
+        _StencilReadMask ("Stencil Read Mask", Float) = 255
+
+        _ColorMask ("Color Mask", Float) = 15
+
+        [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            "Queue"="Transparent"
+            "IgnoreProjector"="True"
+            "RenderType"="Transparent"
+            "PreviewType"="Plane"
+            "CanUseSpriteAtlas"="True"
+        }
+
+        Stencil
+        {
+            Ref [_Stencil]
+            Comp [_StencilComp]
+            Pass [_StencilOp]
+            ReadMask [_StencilReadMask]
+            WriteMask [_StencilWriteMask]
+        }
+
+        Cull Off
+        Lighting Off
+        ZWrite Off
+        ZTest [unity_GUIZTestMode]
+        Blend [_SrcBlend] [_DstBlend]
+        ColorMask [_ColorMask]
+
+        Pass
+        {
+            Name "Default"
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 2.0
+
+            #include "UnityCG.cginc"
+            #include "UnityUI.cginc"
+
+            #pragma multi_compile_local _ UNITY_UI_CLIP_RECT
+            #pragma multi_compile_local _ UNITY_UI_ALPHACLIP
+
+            sampler2D _MainTex;
+            fixed4 _Color;
+            fixed4 _TextureSampleAdd;
+            float4 _ClipRect;
+            float4 _MainTex_ST;
+            float _UIMaskSoftnessX;
+            float _UIMaskSoftnessY;
+            int _UIVertexColorAlwaysGammaSpace;
+            int _ColorMode;
+
+            struct appdata_t
+            {
+                float4 vertex : POSITION;
+                float4 color : COLOR;
+                float2 texcoord : TEXCOORD0;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                fixed4 color : COLOR;
+                float2 texcoord : TEXCOORD0;
+                float4 worldPosition : TEXCOORD1;
+                float4 mask : TEXCOORD2;
+                UNITY_VERTEX_OUTPUT_STEREO
+            };
+
+            v2f vert(appdata_t v)
+            {
+                v2f OUT;
+                UNITY_SETUP_INSTANCE_ID(v);
+                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
+                float4 vPosition = UnityObjectToClipPos(v.vertex);
+                OUT.worldPosition = v.vertex;
+                OUT.vertex = vPosition;
+
+                float2 pixelSize = vPosition.w;
+                pixelSize /= float2(1, 1) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
+
+                float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
+                float2 maskUV = (v.vertex.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
+                OUT.texcoord = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
+                OUT.mask = float4(v.vertex.xy * 2 - clampedRect.xy - clampedRect.zw,
+                                  0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+
+                if (_UIVertexColorAlwaysGammaSpace)
+                {
+                    if (!IsGammaSpace())
+                    {
+                        v.color.rgb = GammaToLinearSpace(v.color.rgb);
+                    }
+                }
+
+                OUT.color = v.color * _Color;
+                return OUT;
+            }
+
+            half4 apply_color(half4 color, const half4 factor, const int mode)
+            {
+                const half3 c = factor.rgb * color.a;
+                // Mode 1: Additive
+                if (mode == 1)
+                {
+                    color.rgb += c;
+                }
+                // Mode 2: Subtract
+                else if (mode == 2)
+                {
+                    color.rgb -= c;
+                }
+                // Mode 3: Replace
+                else if (mode == 3)
+                {
+                    color.rgb = c;
+                }
+                // Default: Multiply
+                else
+                {
+                    color.rgb *= c;
+                }
+
+                return color * factor.a;
+            }
+
+            fixed4 frag(v2f IN) : SV_Target
+            {
+                //Round up the alpha color coming from the interpolator (to 1.0/256.0 steps)
+                //The incoming alpha could have numerical instability, which makes it very sensible to
+                //HDR color transparency blend, when it blends with the world's texture.
+                const half alphaPrecision = half(0xff);
+                const half invAlphaPrecision = half(1.0 / alphaPrecision);
+                float2 uv = IN.texcoord;
+
+                IN.color.a = round(IN.color.a * alphaPrecision) * invAlphaPrecision;
+                half4 color = tex2D(_MainTex, uv) + _TextureSampleAdd;
+
+                #if UNITY_UI_CLIP_RECT
+                half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
+                color.a *= m.x * m.y;
+                #endif
+
+                #if UNITY_UI_ALPHACLIP
+                clip (color.a - 0.001);
+                #endif
+
+                // Apply color mode.
+                color = apply_color(color, IN.color, _ColorMode);
+
+                return color;
+            }
+            ENDCG
+        }
+    }
+}

Assets/Demo/CustomView/UI-Color.shader.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: 6b5e4f608f0684d10a4673a7e1cee0f3
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  preprocessorOverride: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Star-Add.mat

@@ -0,0 +1,42 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 8
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: UI-Star-Add
+  m_Shader: {fileID: 4800000, guid: 6b5e4f608f0684d10a4673a7e1cee0f3, type: 3}
+  m_ValidKeywords: []
+  m_InvalidKeywords:
+  - _COLORMODE_MULTIPRY
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 8412a67c0342348169bea68bf9315a14, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Ints: []
+    m_Floats:
+    - _ColorMask: 15
+    - _ColorMode: 0
+    - _DstBlend: 1
+    - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
+    - _StencilReadMask: 255
+    - _StencilWriteMask: 255
+    - _UseUIAlphaClip: 0
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+  m_BuildTextureStacks: []

Assets/Demo/CustomView/UI-Star-Add.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: e4d32268c77b14dd99f0e99fcfcd3a46
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Star.mat

@@ -0,0 +1,42 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 8
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: UI-Star
+  m_Shader: {fileID: 4800000, guid: 6b5e4f608f0684d10a4673a7e1cee0f3, type: 3}
+  m_ValidKeywords: []
+  m_InvalidKeywords:
+  - _COLORMODE_MULTIPRY
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 8412a67c0342348169bea68bf9315a14, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Ints: []
+    m_Floats:
+    - _ColorMask: 15
+    - _ColorMode: 0
+    - _DstBlend: 10
+    - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
+    - _StencilReadMask: 255
+    - _StencilWriteMask: 255
+    - _UseUIAlphaClip: 0
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+  m_BuildTextureStacks: []

Assets/Demo/CustomView/UI-Star.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 4c756ed674dab453eb1d0a7d9360a9c1
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-Star.png.meta

@@ -0,0 +1,147 @@
+fileFormatVersion: 2
+guid: 8412a67c0342348169bea68bf9315a14
+TextureImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 12
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 0
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 0
+  streamingMipmaps: 0
+  streamingMipmapsPriority: 0
+  vTOnly: 0
+  ignoreMasterTextureLimit: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: 1
+    aniso: 1
+    mipBias: 0
+    wrapU: 1
+    wrapV: 1
+    wrapW: 1
+  nPOTScale: 0
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 1
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spritePixelsToUnits: 100
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spriteGenerateFallbackPhysicsShape: 1
+  alphaUsage: 2
+  alphaIsTransparency: 1
+  spriteTessellationDetail: -1
+  textureType: 0
+  textureShape: 1
+  singleChannelComponent: 0
+  flipbookRows: 1
+  flipbookColumns: 1
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  ignorePngGamma: 0
+  applyGammaDecoding: 1
+  cookieLightType: 1
+  platformSettings:
+  - serializedVersion: 3
+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 128
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Standalone
+    maxTextureSize: 128
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Android
+    maxTextureSize: 128
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 1
+  - serializedVersion: 3
+    buildTarget: WebGL
+    maxTextureSize: 128
+    resizeAlgorithm: 0
+    textureFormat: 63
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 1
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Server
+    maxTextureSize: 128
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+    bones: []
+    spriteID: 5e97eb03825dee720800000000000000
+    internalID: 0
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+    secondaryTextures: []
+    nameFileIdTable: {}
+  spritePackingTag: 
+  pSDRemoveMatte: 0
+  pSDShowRemoveMatteOption: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-StretchTrait.mat

@@ -0,0 +1,42 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 8
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: UI-StretchTrait
+  m_Shader: {fileID: 4800000, guid: 6b5e4f608f0684d10a4673a7e1cee0f3, type: 3}
+  m_ValidKeywords: []
+  m_InvalidKeywords:
+  - _COLORMODE_MULTIPRY
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 7d5844d14c31c4ca88cf5653c09ec1f3, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Ints: []
+    m_Floats:
+    - _ColorMask: 15
+    - _ColorMode: 0
+    - _DstBlend: 1
+    - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
+    - _StencilReadMask: 255
+    - _StencilWriteMask: 255
+    - _UseUIAlphaClip: 0
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+  m_BuildTextureStacks: []

Assets/Demo/CustomView/UI-StretchTrait.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: bce3318d54bae4f99a2cb35bd8c456b0
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Demo/CustomView/UI-StretchTrait.png.meta

@@ -0,0 +1,147 @@
+fileFormatVersion: 2
+guid: 7d5844d14c31c4ca88cf5653c09ec1f3
+TextureImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 12
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 0
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 0
+  streamingMipmaps: 0
+  streamingMipmapsPriority: 0
+  vTOnly: 0
+  ignoreMasterTextureLimit: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: 1
+    aniso: 1
+    mipBias: 0
+    wrapU: 1
+    wrapV: 1
+    wrapW: 1
+  nPOTScale: 0
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 1
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spritePixelsToUnits: 100
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spriteGenerateFallbackPhysicsShape: 1
+  alphaUsage: 2
+  alphaIsTransparency: 1
+  spriteTessellationDetail: -1
+  textureType: 0
+  textureShape: 1
+  singleChannelComponent: 0
+  flipbookRows: 1
+  flipbookColumns: 1
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  ignorePngGamma: 0
+  applyGammaDecoding: 1
+  cookieLightType: 1
+  platformSettings:
+  - serializedVersion: 3
+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 64
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Standalone
+    maxTextureSize: 64
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Android
+    maxTextureSize: 64
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 1
+  - serializedVersion: 3
+    buildTarget: WebGL
+    maxTextureSize: 64
+    resizeAlgorithm: 0
+    textureFormat: 63
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 1
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Server
+    maxTextureSize: 64
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+    bones: []
+    spriteID: 5e97eb03825dee720800000000000000
+    internalID: 0
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+    secondaryTextures: []
+    nameFileIdTable: {}
+  spritePackingTag: 
+  pSDRemoveMatte: 0
+  pSDShowRemoveMatteOption: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: