AspectRatioFitter.cs

Go to the documentation of this file.

using System;
using UnityEngine.EventSystems;
 
namespace UnityEngine.UI
{
    // Token: 0x02000038 RID: 56
    [DisallowMultipleComponent]
    [RequireComponent(typeof(RectTransform))]
    [AddComponentMenu("Layout/Aspect Ratio Fitter", 142)]
    [ExecuteAlways]
    public class AspectRatioFitter : UIBehaviour, ILayoutSelfController, ILayoutController
    {
        // Token: 0x17000098 RID: 152
        // (get) Token: 0x0600023E RID: 574 RVA: 0x00008EE4 File Offset: 0x000070E4
        // (set) Token: 0x0600023F RID: 575 RVA: 0x00008EF8 File Offset: 0x000070F8
        public AspectRatioFitter.AspectMode aspectMode
        {
            get
            {
                return this.m_AspectMode;
            }
            set
            {
                this.UpdateRect();
            }
        }
 
        // Token: 0x17000099 RID: 153
        // (get) Token: 0x06000240 RID: 576 RVA: 0x00008F0C File Offset: 0x0000710C
        // (set) Token: 0x06000241 RID: 577 RVA: 0x00008F20 File Offset: 0x00007120
        public float aspectRatio
        {
            get
            {
                /*
An exception occurred when decompiling this method (06000240)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Single UnityEngine.UI.AspectRatioFitter::get_aspectRatio()
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:float32(var_0_06, ldfld:float32(AspectRatioFitter::m_AspectRatio, ldloc:AspectRatioFitter(this)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
            }
            set
            {
                this.UpdateRect();
            }
        }
 
        // Token: 0x1700009A RID: 154
        // (get) Token: 0x06000242 RID: 578 RVA: 0x00008F34 File Offset: 0x00007134
        private RectTransform rectTransform
        {
            get
            {
                RectTransform rect = this.m_Rect;
                if (!true)
                {
                }
                RectTransform component = base.GetComponent<RectTransform>();
                this.m_Rect = component;
                return component;
            }
        }
 
        // Token: 0x06000243 RID: 579 RVA: 0x00008F64 File Offset: 0x00007164
        protected AspectRatioFitter()
        {
        }
 
        // Token: 0x06000244 RID: 580 RVA: 0x00008F84 File Offset: 0x00007184
        protected override void OnEnable()
        {
            base.OnEnable();
            bool flag = this.rectTransform.parent;
            this.UpdateRect();
        }
 
        // Token: 0x06000245 RID: 581 RVA: 0x00008FB0 File Offset: 0x000071B0
        protected override void Start()
        {
            base.Start();
            bool flag = this.IsComponentValidOnObject();
            if (!this.m_DoesParentExist)
            {
                AspectRatioFitter.AspectMode aspectMode = this.m_AspectMode;
                long num = 0L;
                base.enabled = num != 0L;
                return;
            }
        }
 
        // Token: 0x06000246 RID: 582 RVA: 0x00008FE4 File Offset: 0x000071E4
        protected override void OnDisable()
        {
            LayoutRebuilder.MarkLayoutForRebuild(this.rectTransform);
            base.OnDisable();
        }
 
        // Token: 0x06000247 RID: 583 RVA: 0x00009004 File Offset: 0x00007204
        protected override void OnTransformParentChanged()
        {
            base.OnTransformParentChanged();
            bool flag = this.rectTransform.parent;
            this.UpdateRect();
        }
 
        // Token: 0x06000248 RID: 584 RVA: 0x00009030 File Offset: 0x00007230
        protected virtual void Update()
        {
            if (this.m_DelayedSetDirty)
            {
                this.UpdateRect();
                return;
            }
        }
 
        // Token: 0x06000249 RID: 585 RVA: 0x0000904C File Offset: 0x0000724C
        protected override void OnRectTransformDimensionsChange()
        {
            this.UpdateRect();
        }
 
        // Token: 0x0600024A RID: 586 RVA: 0x00009060 File Offset: 0x00007260
        private void UpdateRect()
        {
            bool flag = this.IsComponentValidOnObject();
            AspectRatioFitter.AspectMode aspectMode = this.m_AspectMode;
            RectTransform rectTransform = this.rectTransform;
            RectTransform rectTransform2 = this.rectTransform;
            float height = this.rectTransform.rect.height;
            float aspectRatio = this.m_AspectRatio;
        }
 
        // Token: 0x0600024B RID: 587 RVA: 0x0000913C File Offset: 0x0000733C
        private float GetSizeDeltaToProduceSize(float size, int axis)
        {
            /*
An exception occurred when decompiling this method (0600024B)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Single UnityEngine.UI.AspectRatioFitter::GetSizeDeltaToProduceSize(System.Single,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0022:
    stloc:Vector2(var_3_2D, callgetter:Vector2(RectTransform::get_anchorMax, callgetter:RectTransform(AspectRatioFitter::get_rectTransform, ldloc:AspectRatioFitter(this))))
    stloc:Vector2(var_5_35, callgetter:Vector2(RectTransform::get_anchorMin, ldloc:RectTransform(var_4)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x0600024C RID: 588 RVA: 0x00009180 File Offset: 0x00007380
        private Vector2 GetParentSize()
        {
            /*
An exception occurred when decompiling this method (0600024C)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling UnityEngine.Vector2 UnityEngine.UI.AspectRatioFitter::GetParentSize()
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_000D:
    stloc:Vector2(var_3_15, callgetter:Vector2(Rect::get_size, ldloc:Rect[exp:valuetype [UnityEngine.CoreModule]UnityEngine.Rect&](var_2)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x0600024D RID: 589 RVA: 0x000091A4 File Offset: 0x000073A4
        public virtual void SetLayoutHorizontal()
        {
        }
 
        // Token: 0x0600024E RID: 590 RVA: 0x000091B4 File Offset: 0x000073B4
        public virtual void SetLayoutVertical()
        {
        }
 
        // Token: 0x0600024F RID: 591 RVA: 0x000091C4 File Offset: 0x000073C4
        protected void SetDirty()
        {
            this.UpdateRect();
        }
 
        // Token: 0x06000250 RID: 592 RVA: 0x000091D8 File Offset: 0x000073D8
        public bool IsComponentValidOnObject()
        {
            Canvas component = base.gameObject.GetComponent<Canvas>();
            bool flag = component;
            bool isRootCanvas = component.isRootCanvas;
            RenderMode renderMode = component.renderMode;
            return true;
        }
 
        // Token: 0x06000251 RID: 593 RVA: 0x0000920C File Offset: 0x0000740C
        public bool IsAspectModeValid()
        {
            if (!this.m_DoesParentExist)
            {
                AspectRatioFitter.AspectMode aspectMode = this.m_AspectMode;
                return;
            }
        }
 
        // Token: 0x06000252 RID: 594 RVA: 0x0000922C File Offset: 0x0000742C
        private bool DoesParentExists()
        {
            return this.m_DoesParentExist;
        }
 
        // Token: 0x04000122 RID: 290
        [SerializeField]
        private AspectRatioFitter.AspectMode m_AspectMode;
 
        // Token: 0x04000123 RID: 291
        [SerializeField]
        private float m_AspectRatio = (float)16256;
 
        // Token: 0x04000124 RID: 292
        [NonSerialized]
        private RectTransform m_Rect;
 
        // Token: 0x04000125 RID: 293
        private bool m_DelayedSetDirty;
 
        // Token: 0x04000126 RID: 294
        private bool m_DoesParentExist;
 
        // Token: 0x04000127 RID: 295
        private DrivenRectTransformTracker m_Tracker;
 
        // Token: 0x02000039 RID: 57
        public enum AspectMode
        {
            // Token: 0x04000129 RID: 297
            None,
            // Token: 0x0400012A RID: 298
            WidthControlsHeight,
            // Token: 0x0400012B RID: 299
            HeightControlsWidth,
            // Token: 0x0400012C RID: 300
            FitInParent,
            // Token: 0x0400012D RID: 301
            EnvelopeParent
        }
    }
}