ContourShape oneShelfBoxContour; //书架正视图的外部轮廓
//List<ShelfShape> shelfMapShelfList; //一个书库俯视图中所有书柜的列表
//DoorShape shelfMapDoor; //一个书库门的位置
//ContourShape shelfMapContour; //一个书库的外部轮廓
//RouteShape shelfMapRoute; //取书的路径列表
public DrawMapService(IUnityContainer container)
{
this.container = container;
this.eventAggregator = container.Resolve<IEventAggregator>();
//初始化其他变量
this.oneShelfDrawer = new CanvasDrawer();
this.libraryShelfDrawer = new CanvasDrawer();
//初始化各种图形参数,先初始化一个值，不管是否有意义，以免在后续引用中出错。
this.oneShelfBoxList = new List<ShelfShape>();
this.oneShelfBoxContour = new ContourShape(new List<Point>());
//this.shelfMapShelfList = new List<ShelfShape>();
//this.shelfMapDoor = new DoorShape(new Point(0,0),new Point(0,0));
//this.shelfMapContour = new ContourShape(new List<Point>());
//this.shelfMapRoute = new RouteShape(new List<Point>());
initVariableValue();
}
//该函数能够画出一个书库的背景图片，包含书架，轮廓和门，参数为该图书馆名称，参数即为Map表中的location字段
public void drawLibraryShelfMapBackgroundByLibraryName(String libraryName)
{
String libraryNameInTable = this.bookLocationStringToLibraryName(libraryName);
//获取图书位置信息数据库的引用
IBookLocationService bookLocationService = this.container.Resolve<IBookLocationService>();
//画出书库的地板,重复画出
/***
BitmapImage floorTileBitmapImage = new BitmapImage();
floorTileBitmapImage.BeginInit();
floorTileBitmapImage.UriSource = new Uri("pack://application:,,,/UI;component/Resource/images/glass.png", UriKind.RelativeOrAbsolute);
floorTileBitmapImage.EndInit();
this.libraryShelfDrawer.drawFloor(floorTileBitmapImage);
***/
//画出所有的书架
try
{
//获取某个书库中所有的书架
List<String> shelfPositionStringList = bookLocationService.getItemPositionStringListByLocationAndType(libraryNameInTable, "SHELF");
//从数据库中读到的字符串列表中解析出所有的书架地理位置信息，并加入到this.shelfMapShelfList中
List<ShelfShape> shelfMapShelfList = new List<ShelfShape>();
foreach (String stringItem in shelfPositionStringList)
{//stringItem is a string ,such as "13000,1500,1500,1000",startpoint x,y,and width,height
char[] separator = { '，', ',' };
String[] pointDescInString = stringItem.Split(separator);
if (pointDescInString.Length != 4) {
continue;
} //如果不为4个数字，则意味着可能出现了解析或者存储错误
double[] pointDescInDouble = new double[] {
Convert.ToDouble(pointDescInString[0]),
Convert.ToDouble(pointDescInString[1]),
Convert.ToDouble(pointDescInString[2]),
Convert.ToDouble(pointDescInString[3])
};
Point leftTop = new Point(pointDescInDouble[0], pointDescInDouble[1]);
Point rightBottom = new Point(pointDescInDouble[0] + pointDescInDouble[2], pointDescInDouble[1] + pointDescInDouble[3]);
//把书架的位置信息放入结构体的变量中shelfMapShelfList
shelfMapShelfList.Add(new ShelfShape(leftTop, rightBottom));
}
//开始绘制俯视图中的书架
BitmapImage bitmapImage = new BitmapImage();
//Uri uri = new Uri("pack://application:,,,/UI;component/Resource/images/oneShelf.png", UriKind.RelativeOrAbsolute);
bitmapImage.BeginInit();
bitmapImage.UriSource = new Uri("pack://application:,,,/UI;component/Resource/images/oneShelf.png", UriKind.RelativeOrAbsolute);
bitmapImage.EndInit();
//设置旋转效果和阴影效果，开始
RotateTransform rotateTransform = new RotateTransform(0);
DropShadowBitmapEffect bitmapEffect = new DropShadowBitmapEffect();
Color ShadowColor = new Color();
ShadowColor.ScA = 1;ShadowColor.ScB = 0;ShadowColor.ScG = 0;ShadowColor.ScR = 0;
bitmapEffect.Color = ShadowColor;
bitmapEffect.Direction = 320;
bitmapEffect.ShadowDepth = 10;
bitmapEffect.Softness = 0.1;
bitmapEffect.Opacity = 0.1;
//设置选择效果和阴影效果,结束
foreach (ShelfShape oneShelf in shelfMapShelfList)
{
//原始代码是绘制矩形框，现在改为绘制图片
//this.libraryShelfDrawer.drawShelf(oneShelf.topLeft, oneShelf.bottomRight);
this.libraryShelfDrawer.drawImage(oneShelf.topLeft, oneShelf.bottomRight, bitmapImage, rotateTransform, bitmapEffect);
}
}
catch (Exception)
{
this.eventAggregator.GetEvent<DatabaseEvent>().Publish("DrawMapService:从数据库中获取书架信息出错！");
//如果发生错误那发布事件
}
//画出某个书库的轮廓
try
{
List<String> shelfContourPostionStringList = bookLocationService.getItemPositionStringListByLocationAndType(libraryNameInTable, "CONTOUR");
String shelfContourPostionString = "";
ContourShape shelfMapContour ; //轮廓信息存放的地点
//如果获得的轮廓个数小于零，则说明数据出现了问题.其实一个书库的轮廓只能有一个
if (shelfContourPostionStringList.Count > 0)
{
shelfContourPostionString = shelfContourPostionStringList[0];
char[] separator = { '，', ',' };
String[] pointDescInString = shelfContourPostionString.Split(separator);
//轮廓点的个数只能是偶数个,如果解析和读取数据的时候出现任何错误，则花图书轮廓的程序终止
if ((pointDescInString.Length % 2 == 0) && (pointDescInString.Length >= 2))
{
List<Double> pointXList = new List<Double>();
List<Double> pointYList = new List<Double>();
for (int i = 0; i < pointDescInString.Length; i = i + 2)
{
pointXList.Add(Convert.ToDouble(pointDescInString[i]));
pointYList.Add(Convert.ToDouble(pointDescInString[i + 1]));
}
if (pointXList.Count == pointYList.Count)
{
List<Point> contourPointList = new List<Point>();
for (int i = 0; i < pointXList.Count(); i++)
{
Point onePoint = new Point(pointXList[i], pointYList[i]);
contourPointList.Add(onePoint);
}
shelfMapContour = new ContourShape(contourPointList);
this.libraryShelfDrawer.drawContour(shelfMapContour.pointList);
}
}
}
}catch(Exception)
{
this.eventAggregator.GetEvent<DatabaseEvent>().Publish("DrawMapService:从数据库中获取书库轮廓信息出错！");
//如果发生错误那发布事件
}
//画出某个书库大门的位置
try
{
List<String> doorPostionStringList = bookLocationService.getItemPositionStringListByLocationAndType(libraryNameInTable, "DOOR");
DoorShape shelfMapDoor;//入口信息存放的位置
if (doorPostionStringList.Count > 0)
{
String doorPostionString = doorPostionStringList[0];
char[] separator = { '，', ',' };
String[] pointDescInString = doorPostionString.Split(separator);
if (pointDescInString.Length == 4)
{
double[] pointDescInDouble = new double[] {
Convert.ToDouble(pointDescInString[0]),
Convert.ToDouble(pointDescInString[1]),
Convert.ToDouble(pointDescInString[2]),
Convert.ToDouble(pointDescInString[3])
};
Point leftTop = new Point(pointDescInDouble[0], pointDescInDouble[1]);
Point rightBottom = new Point(pointDescInDouble[0] + pointDescInDouble[2], pointDescInDouble[1] + pointDescInDouble[3]);
//把书库大门的位置信息放入结构体的变量中shelfMapShelfList
shelfMapDoor = new DoorShape(leftTop, rightBottom);
//载入入口图片
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.UriSource = new Uri("pack://application:,,,/UI;component/Resource/images/door.png", UriKind.RelativeOrAbsolute);
bitmapImage.EndInit();
//设置旋转效果和阴影效果，开始
RotateTransform rotateTransform = new RotateTransform(0);
DropShadowBitmapEffect bitmapEffect = new DropShadowBitmapEffect();
//this.libraryShelfDrawer.drawDoor(shelfMapDoor.topLeft, shelfMapDoor.bottomRight);
this.libraryShelfDrawer.drawImage(shelfMapDoor.topLeft, shelfMapDoor.bottomRight, bitmapImage, rotateTransform, bitmapEffect);
}
}
}
catch (Exception)
{
this.eventAggregator.GetEvent<DatabaseEvent>().Publish("DrawMapService:从数据库中获取书库大门信息出错！");
//如果发生错误那发布事件
}
}