fix bug: DrawingCanvas.prefWidth : A bound value cannot be set.

.idea/misc.xml

@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_24" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/main/java/dev/bytevibe/hyperpoint/Controller.java

@@ -133,9 +133,11 @@ public class Controller implements Initializable {
             drawingCanvas = new DrawingCanvas(pageContent);
             drawingCanvasContainer.getChildren().add(drawingCanvas);
 
-            // 绑定Canvas大小到容器
+            // 使用AnchorPane的约束来填充容器
-            drawingCanvas.prefWidthProperty().bind(drawingCanvasContainer.widthProperty());
+            AnchorPane.setTopAnchor(drawingCanvas, 0.0);
-            drawingCanvas.prefHeightProperty().bind(drawingCanvasContainer.heightProperty());
+            AnchorPane.setLeftAnchor(drawingCanvas, 0.0);
+            AnchorPane.setRightAnchor(drawingCanvas, 0.0);
+            AnchorPane.setBottomAnchor(drawingCanvas, 0.0);
 
             // 创建属性面板
             propertyPanelComponent = new PropertyPanel(drawingCanvas);

src/main/java/dev/bytevibe/hyperpoint/DrawingCanvas.java

@@ -1,10 +1,8 @@
 package dev.bytevibe.hyperpoint;
 
-import javafx.geometry.Bounds;
 import javafx.scene.canvas.Canvas;
 import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.image.Image;
-import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.Pane;
 import javafx.scene.paint.Color;
@@ -24,7 +22,7 @@ public class DrawingCanvas extends Pane {
 
     public DrawingCanvas(PageContent pageContent) {
         this.pageContent = pageContent;
-        this.canvas = new Canvas(755, 485);
+        this.canvas = new Canvas();
 
         getChildren().add(canvas);
 
@@ -33,9 +31,18 @@ public class DrawingCanvas extends Pane {
         setOnMouseDragged(this::handleMouseDragged);
         setOnMouseReleased(this::handleMouseReleased);
 
-        setPrefSize(755, 485);
         setStyle("-fx-border-color: #e0e0e0; -fx-border-width: 1;");
 
+        // 绑定Canvas大小到Pane大小
+        widthProperty().addListener((obs, oldVal, newVal) -> {
+            canvas.setWidth(newVal.doubleValue());
+            redraw();
+        });
+        heightProperty().addListener((obs, oldVal, newVal) -> {
+            canvas.setHeight(newVal.doubleValue());
+            redraw();
+        });
+
         // 初始绘制
         redraw();
     }
@@ -79,6 +86,8 @@ public class DrawingCanvas extends Pane {
         }
     }
 
+
+
     /**
      * 鼠标释放事件处理
      */