Updated Image for wasm

app_scripts.js

@@ -1156,6 +1156,37 @@ function loadImage(url) {
 	img.src = url;
 }
 
+function loadInlineImage(url, content) {
+	var img = images.get(url);
+	if (img != undefined) {
+		return
+	}
+	
+	img = new Image(); 
+	img.addEventListener("load", function() {
+		images.set(url, img)
+		var message = "imageLoaded{session=" + sessionID + ",url=\"" + url + "\""; 
+		if (img.naturalWidth) {
+			message += ",width=" + img.naturalWidth
+		}
+		if (img.naturalHeight) {
+			message += ",height=" + img.naturalHeight
+		}
+		sendMessage(message + "}")
+	}, false);
+
+	img.addEventListener("error", function(event) {
+		var message = "imageError{session=" + sessionID + ",url=\"" + url + "\""; 
+		if (event && event.message) {
+			var text = event.message.replace(new RegExp("\"", 'g'), "\\\"")
+			message += ",message=\"" + text + "\""; 
+		}
+		sendMessage(message + "}")
+	}, false);
+
+	img.src = content;
+}
+
 function clickOutsidePopup(e) {
 	sendMessage("clickOutsidePopup{session=" + sessionID + "}")
 	e.stopPropagation();

image.go

@@ -1,6 +1,12 @@
 package rui
 
-import "strconv"
+import (
+	"encoding/base64"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"strings"
+)
 
 const (
 	// ImageLoading is the image loading status: in the process of loading
@@ -76,6 +82,27 @@ func (manager *imageManager) loadImage(url string, onLoaded func(Image), session
 	image.listener = onLoaded
 	image.loadingStatus = ImageLoading
 	manager.images[url] = image
+
+	if runtime.GOOS == "js" {
+		if file, ok := resources.images[url]; ok && file.fs != nil {
+			dataType := map[string]string{
+				".svg":  "data:image/svg+xml",
+				".png":  "data:image/png",
+				".jpg":  "data:image/jpg",
+				".jpeg": "data:image/jpg",
+				".gif":  "data:image/gif",
+			}
+			ext := strings.ToLower(filepath.Ext(url))
+			if prefix, ok := dataType[ext]; ok {
+				if data, err := file.fs.ReadFile(file.path); err == nil {
+					session.callFunc("loadInlineImage", url, prefix+";base64,"+base64.StdEncoding.EncodeToString(data))
+					return image
+				} else {
+					DebugLog(err.Error())
+				}
+			}
+		}
+	}
 	session.callFunc("loadImage", url)
 	return image
 }

wasmBridge.go

@@ -119,8 +119,9 @@ func (bridge *wasmBridge) callCanvasVarFunc(v any, funcName string, args ...any)
 
 func (bridge *wasmBridge) callCanvasImageFunc(url string, property string, funcName string, args ...any) {
 	image := js.Global().Get("images").Call("get", url)
-	if !image.IsUndefined() && !image.IsNull() {
-		result := image.Call(funcName, args...)
+	if !image.IsUndefined() && !image.IsNull() && !bridge.canvas.IsNull() {
+
+		result := bridge.canvas.Call(funcName, append([]any{image}, args...)...)
 		if property != "" {
 			bridge.canvas.Set(property, result)
 		}