Function onMouseMove

notes.js:2627–2660

(moveEvent)

                const aspectRatio = startWidth / startHeight;
                
                const onMouseMove = (moveEvent) => {
                    const deltaX = moveEvent.clientX - startX;
                    const deltaY = moveEvent.clientY - startY;
                    
                    // 根据x方向的变化计算新尺寸，保持宽高比
                    let newWidth = Math.max(50, startWidth + deltaX);
                    let newHeight = newWidth / aspectRatio;
                    
                    // 计算可用的最大尺寸，避免遮挡底部按钮
                    const maxWidth = editor.offsetWidth - 40;
                    const bottomBar = editor.parentElement.querySelector('.nsn-bottom');
                    const bottomBarHeight = bottomBar ? bottomBar.offsetHeight + 20 : 60;
                    const maxHeight = editor.offsetHeight - bottomBarHeight;
                    
                    // 限制最大宽度
                    if (newWidth > maxWidth) {
                        newWidth = maxWidth;
                        newHeight = newWidth / aspectRatio;
                    }
                    
                    // 限制最大高度，避免遮挡底部按钮
                    if (newHeight > maxHeight) {
                        newHeight = maxHeight;
                        newWidth = newHeight * aspectRatio;
                        if (newWidth > maxWidth) {
                            newWidth = maxWidth;
                            newHeight = newWidth / aspectRatio;
                        }
                    }
                    
                    img.style.width = newWidth + 'px';
                    img.style.height = newHeight + 'px';
                    img.style.maxWidth = 'none';
                };
                
                const onMouseUp = (upEvent) => {
                    handle._isDragging = false;