Only throw out of memory exception when onProgress is not set.

src/magick-image.ts

@@ -3008,6 +3008,18 @@ export class MagickImage extends NativeInstance implements IMagickImage {
         throw new MagickError('no image has been read');
     }
 
+    /** @internal */
+    protected _setInstance(instance: number, exception: Exception): boolean {
+        if (super._setInstance(instance, exception) === true)
+            return true;
+
+        // Assume the task was cancelled if the instance is 0 and the progress delegate is set.
+        if (instance === 0 && this.onProgress !== undefined)
+            return true;
+
+        throw new MagickError('out of memory');
+    }
+
     /** @internal */
     _use<TReturnType>(func: (image: IMagickImage) => TReturnType): TReturnType;
     /** @internal */

src/native-instance.ts

@@ -42,15 +42,17 @@ export abstract class NativeInstance {
     }
 
     /** @internal */
-    protected _setInstance(instance: number, exception: Exception): void {
-        exception.check(() => {
-            if (instance == 0)
-                throw new MagickError('out of memory');
+    protected _setInstance(instance: number, exception: Exception): boolean {
+        return exception.check(() => {
+            if (this.instance === 0)
+                return false;
 
             this.dispose();
             this.instance = instance;
+            return true;
         }, () => {
             this.disposeInstance(instance);
+            return true;
         });
     }