101 lines
2.8 KiB
C#
101 lines
2.8 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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using System.Linq;
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using B83.Win32;
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public class ImageExample : MonoBehaviour
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{
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Texture2D[] textures = new Texture2D[6];
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DropInfo dropInfo = null;
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class DropInfo
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{
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public string file;
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public Vector2 pos;
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}
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void OnEnable ()
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{
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UnityDragAndDropHook.InstallHook();
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UnityDragAndDropHook.OnDroppedFiles += OnFiles;
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}
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void OnDisable()
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{
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UnityDragAndDropHook.UninstallHook();
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}
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void OnFiles(List<string> aFiles, POINT aPos)
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{
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string file = "";
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// scan through dropped files and filter out supported image types
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foreach(var f in aFiles)
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{
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var fi = new System.IO.FileInfo(f);
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var ext = fi.Extension.ToLower();
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if (ext == ".png" || ext == ".jpg" || ext == ".jpeg")
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{
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file = f;
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break;
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}
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}
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// If the user dropped a supported file, create a DropInfo
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if (file != "")
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{
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var info = new DropInfo
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{
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file = file,
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pos = new Vector2(aPos.x, aPos.y)
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};
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dropInfo = info;
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}
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}
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void LoadImage(int aIndex, DropInfo aInfo)
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{
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if (aInfo == null)
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return;
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// get the GUI rect of the last Label / box
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var rect = GUILayoutUtility.GetLastRect();
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// check if the drop position is inside that rect
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if (rect.Contains(aInfo.pos))
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{
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var data = System.IO.File.ReadAllBytes(aInfo.file);
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var tex = new Texture2D(1,1);
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tex.LoadImage(data);
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if (textures[aIndex] != null)
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Destroy(textures[aIndex]);
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textures[aIndex] = tex;
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}
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}
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private void OnGUI()
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{
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DropInfo tmp = null;
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if (Event.current.type == EventType.Repaint && dropInfo!= null)
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{
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tmp = dropInfo;
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dropInfo = null;
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}
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GUILayout.BeginHorizontal();
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for (int i = 0; i < 3; i++)
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{
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if (textures[i] != null)
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GUILayout.Label(textures[i], GUILayout.Width(200), GUILayout.Height(200));
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else
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GUILayout.Box("Drag image here", GUILayout.Width(200), GUILayout.Height(200));
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LoadImage(i, tmp);
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}
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GUILayout.EndHorizontal();
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GUILayout.BeginHorizontal();
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for (int i = 3; i < 6; i++)
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{
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if (textures[i] != null)
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GUILayout.Label(textures[i], GUILayout.Width(200), GUILayout.Height(200));
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else
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GUILayout.Box("Drag image here", GUILayout.Width(200), GUILayout.Height(200));
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LoadImage(i, tmp);
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}
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GUILayout.EndHorizontal();
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}
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}
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