1.先初始化小班SDK对象
- self.talkfunSDK = [[TalkfunSDKLive alloc] initWithAccessToken:token whiteboard:view configureCameraContainerView:self.cameraView ];
2.通过sdk对象操作画板类
- self.talkfunSDK.rtcManager.whiteboard
*
#import <Foundation/Foundation.h>
typedef enum: NSUInteger{
    TalkfunSDKWhiteboardTypeStroke,//画笔
    TalkfunSDKWhiteboardTypeCircle,//圆形
    TalkfunSDKWhiteboardTypeRectangle,//矩形
    TalkfunSDKWhiteboardTypeStraightLine,//直线
    TalkfunSDKWhiteboardTypeDottedLine,//虚线
    TalkfunSDKWhiteboardTypeDelete,//框删除
    TalkfunSDKWhiteboardTypeArrow,//箭头
    TalkfunSDKWhiteboardTypeText//文本
}TalkfunSDKWhiteboardType;
//颜色
typedef enum: NSUInteger{
    TalkfunSDKWhiteboardColorTypeBlackColor,  //黑
    TalkfunSDKWhiteboardColorTypeRedColor,    //红
    TalkfunSDKWhiteboardColorTypeYellowColor, //黄
    TalkfunSDKWhiteboardColorTypeGreenColor,       //绿
    TalkfunSDKWhiteboardColorTypeBlueColor,        //蓝
    TalkfunSDKWhiteboardColorTypeBrownColor ,      //棕
    TalkfunSDKWhiteboardColorTypeWhiteColor   ,    //白
    TalkfunSDKWhiteboardColorTypeCyanColor  ,     //青色
    TalkfunSDKWhiteboardColorTypePurpleColor       //紫色
}TalkfunSDKWhiteboardColorType;
//画笔大小
typedef enum: NSUInteger{
    TalkfunPlatformDrawLineWidthSmall = 2,          //小
    TalkfunPlatformDrawLineWidthMiddle = 4,         //中
    TalkfunPlatformDrawLineWidthBig = 6,            //大
    TalkfunPlatformDrawLineWidthLarge = 8,
    TalkfunPlatformDrawLineWidthHuge = 10           //特大
}TalkfunPlatformDrawLineWidth;
@interface TalkfunSDKWhiteboard : NSObject
//涂鸦权限  默认 为 NO
@property (nonatomic,assign) BOOL drawPower;
//画板类型 ->
@property (nonatomic, assign) TalkfunSDKWhiteboardType                 drawType;
//画笔宽度
@property (nonatomic, assign) TalkfunPlatformDrawLineWidth             lineWidth;
//画笔颜色(选择的)
@property (nonatomic, assign) TalkfunSDKWhiteboardColorType            lineColor;
//rgb的color
- (void)setLineRgbColor:(UIColor*)rgbColor;
@end