diff --git a/src/mscanvas.rs b/src/mscanvas.rs
index cc02d91..d6a5732 100644
--- a/src/mscanvas.rs
+++ b/src/mscanvas.rs
@@ -651,6 +651,26 @@ impl MSCanvas {
         }
     }
 
+    pub fn fill_rect1(&mut self, p1: Point, p2: Point) {
+        let mut x = p1.x;
+        let mut y = p1.y;
+        let mut width = (p2.x - p1.x);
+        let mut height = (p2.y - p1.y);
+        if width < 0.0 && height < 0.0 {
+            x = p2.x;
+            y = p2.y;
+            width = (p1.x - p2.x);
+            height = (p1.y - p2.y);
+        } else if width < 0.0 {
+            x += width;
+            width = -width;
+        } else if height < 0.0 {
+            y += height;
+            height = -height;
+        }
+        self.fill_rect(x as i32, y as i32, width as i32, height as i32);
+    }
+
     /// 填充一个圆角矩形
     /// - x, y: 左上角坐标
     /// - width, height: 尺寸（必须 > 0）
diff --git a/src/paint.rs b/src/paint.rs
index fbe4631..157ec97 100644
--- a/src/paint.rs
+++ b/src/paint.rs
@@ -948,7 +948,20 @@ impl PaintApp {
             Message::MouseMoved(pos) => {
                 if self.is_drawing {
                     self.canvas.restore_pixels();
-                    self.canvas.stroke_rect1(self.begin_point, pos);
+                    match self.get_shape_style() {
+                        ShapeStyle::Stroke => {
+                            self.canvas.stroke_rect1(self.begin_point, pos);
+                        }
+                        ShapeStyle::Fill => {
+                            self.canvas.fill_rect1(self.begin_point, pos);
+                        }
+                        ShapeStyle::FillAndStroke => {
+                            self.canvas.fill_color(self.background_color);
+                            self.canvas.fill_rect1(self.begin_point, pos);
+                            self.canvas.fill_color(self.foreground_color);
+                            self.canvas.stroke_rect1(self.begin_point, pos);
+                        }
+                    }
                     self.dirty = true;
                 }
             }
@@ -993,7 +1006,20 @@ impl PaintApp {
             }
             Message::MouseDoubleClick(_pos) => {
                 self.canvas.close_path();
-                self.canvas.stroke();
+                match self.get_shape_style() {
+                    ShapeStyle::Stroke => {
+                        self.canvas.stroke();
+                    }
+                    ShapeStyle::Fill => {
+                        self.canvas.fill();
+                    }
+                    ShapeStyle::FillAndStroke => {
+                        self.canvas.fill_color(self.background_color);
+                        self.canvas.fill();
+                        self.canvas.fill_color(self.foreground_color);
+                        self.canvas.stroke();
+                    }
+                }
                 self.is_drawing = false;
                 self.control_state = ControlState::Zero;
                 self.dirty = true;
@@ -1016,7 +1042,20 @@ impl PaintApp {
             Message::MouseMoved(pos) => {
                 if self.is_drawing {
                     self.canvas.restore_pixels();
-                    self.canvas.stroke_ellipse1(self.begin_point, pos);
+                    match self.get_shape_style() {
+                        ShapeStyle::Stroke => {
+                            self.canvas.stroke_ellipse1(self.begin_point, pos);
+                        }
+                        ShapeStyle::Fill => {
+                            self.canvas.fill_ellipse1(self.begin_point, pos);
+                        }
+                        ShapeStyle::FillAndStroke => {
+                            self.canvas.fill_color(self.background_color);
+                            self.canvas.fill_ellipse1(self.begin_point, pos);
+                            self.canvas.fill_color(self.foreground_color);
+                            self.canvas.stroke_ellipse1(self.begin_point, pos);
+                        }
+                    }
                     self.dirty = true;
                 }
             }
@@ -1038,11 +1077,36 @@ impl PaintApp {
             Message::MouseMoved(pos) => {
                 if self.is_drawing {
                     self.canvas.restore_pixels();
-                    self.canvas.stroke_round_rect1(
-                        self.begin_point,
-                        pos,
-                        self.config.rounded_radius as f32,
-                    );
+                    match self.get_shape_style() {
+                        ShapeStyle::Stroke => {
+                            self.canvas.stroke_round_rect1(
+                                self.begin_point,
+                                pos,
+                                self.config.rounded_radius as f32,
+                            );
+                        }
+                        ShapeStyle::Fill => {
+                            self.canvas.fill_round_rect1(
+                                self.begin_point,
+                                pos,
+                                self.config.rounded_radius as f32,
+                            );
+                        }
+                        ShapeStyle::FillAndStroke => {
+                            self.canvas.fill_color(self.background_color);
+                            self.canvas.fill_round_rect1(
+                                self.begin_point,
+                                pos,
+                                self.config.rounded_radius as f32,
+                            );
+                            self.canvas.fill_color(self.foreground_color);
+                            self.canvas.stroke_round_rect1(
+                                self.begin_point,
+                                pos,
+                                self.config.rounded_radius as f32,
+                            );
+                        }
+                    }
                     self.dirty = true;
                 }
             }
@@ -1052,6 +1116,14 @@ impl PaintApp {
 
     // endregion
 
+    fn get_shape_style(&self) -> ShapeStyle {
+        self.config.shape_style.unwrap_or(ShapeStyle::Stroke)
+    }
+
+    fn get_brush_kind(&self) -> BrushKind {
+        self.config.brush_kind.unwrap_or(BrushKind::Circle)
+    }
+
     pub fn update_tool_states(&mut self, tool: Tool) {
         let idx = tool as usize;
         if idx >= self.tool_states.len() {
@@ -1060,7 +1132,20 @@ impl PaintApp {
         if self.tool_selected == Tool::Polygon && self.control_state != ControlState::Zero {
             // 切换到其他工具，闭合路径
             self.canvas.close_path();
-            self.canvas.stroke();
+            match self.get_shape_style() {
+                ShapeStyle::Stroke => {
+                    self.canvas.stroke();
+                }
+                ShapeStyle::Fill => {
+                    self.canvas.fill();
+                }
+                ShapeStyle::FillAndStroke => {
+                    self.canvas.fill_color(self.background_color);
+                    self.canvas.fill();
+                    self.canvas.fill_color(self.foreground_color);
+                    self.canvas.stroke();
+                }
+            }
             self.dirty = true;
         }