ComPDFKit.Tool(win) - 新增设置页面渲染图片缩放倍数接口

Demo/Examples/ComPDFKit.Tool/CPDFViewerTool.xaml.cs

@@ -1099,5 +1099,20 @@ namespace ComPDFKit.Tool
         {
             ScrollChangedHandler?.Invoke(this, e);
         }
+
+        public void SetPageImageScale(float imageScale)
+        {
+            if (imageScale <= 0)
+            {
+                imageScale = 1;
+            }
+
+            CPDFViewer.PageImageScale = imageScale;
+        }
+
+        public float GetPageImageScale()
+        {
+            return CPDFViewer.PageImageScale;
+        }
     }
 }