Version: 2017.2

EditorGUI.DrawPreviewTexture

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public static void DrawPreviewTexture (Rect position, Texture image, Material mat= null, ScaleMode scaleMode= ScaleMode.StretchToFill, float imageAspect= 0);

Parámetros

position Rectangle on the screen to draw the texture within.
image Texture to display.
mat Material to be used when drawing the texture.
scaleMode How to scale the image when the aspect ratio of it doesn't fit the aspect ratio to be drawn within.
imageAspect Aspect ratio to use for the source image. If 0 (the default), the aspect ratio from the image is used.

Descripción

Draws the texture within a rectangle.

If mat is null (the default), an appropriate material will be chosen for a RGBM or doubleLDR lightmap or a normal map and the fallback blit material will be chosen otherwise.


Preview Texture in an Editor Window.

// Load a texture, display the texture, display its alpha channel and
// show a preview of the inverted texture

class EditorGUITextures extends EditorWindow {

var texture : Texture2D; var invertedTexture : Texture2D; var showInverted = false;

@MenuItem("Examples/Texture Previewer") static function Init() { var window = GetWindow(EditorGUITextures); window.position = Rect(0,0,400, 200); window.Show(); }

function OnGUI() { texture = EditorGUI.ObjectField(Rect(3,3,200,20), "Add a Texture:", texture, Texture); if(GUI.Button(Rect(208,3, position.width - 210, 20),"Process Inverted")) { if(invertedTexture) DestroyImmediate(invertedTexture); //Copy the new texture invertedTexture = new Texture2D(texture.width, texture.height, texture.format, (texture.mipmapCount != 0)); for (var m : int = 0; m < texture.mipmapCount; m++) invertedTexture.SetPixels(texture.GetPixels(m), m); InvertColors(); showInverted = true; } if(texture) { EditorGUI.PrefixLabel(Rect(25,45,100,15),0,GUIContent("Preview:")); EditorGUI.DrawPreviewTexture(Rect(25,60,100,100),texture); EditorGUI.PrefixLabel(Rect(150,45,100,15),0,GUIContent("Alpha:")); EditorGUI.DrawTextureAlpha(Rect(150,60,100,100),texture); EditorGUI.PrefixLabel(Rect(275,45,100,15),0,GUIContent("Inverted:")); if(showInverted) EditorGUI.DrawPreviewTexture(Rect(275,60,100,100),invertedTexture); if(GUI.Button(Rect(3,position.height - 25, position.width-6,20),"Clear texture")) { texture = EditorGUIUtility.whiteTexture; showInverted = false; } } else { EditorGUI.PrefixLabel( Rect(3,position.height - 25,position.width - 6, 20), 0, GUIContent("No texture found")); } }

function InvertColors() { for (var m : int = 0; m < invertedTexture.mipmapCount; m++) { var c : Color[] = invertedTexture.GetPixels(m); for (var i : int = 0 ;i < c.Length; i++) { c[i].r = 1 - c[i].r; c[i].g = 1 - c[i].g; c[i].b = 1 - c[i].b; } invertedTexture.SetPixels(c, m); } invertedTexture.Apply(); } function OnInspectorUpdate() { Repaint(); } }