double ScaleSpeed = 0.05;//放缩比例,5%
/// <summary>
/// 鼠标滚轮滚动事件
/// </summary>
/// <function>上滑放大，下滑缩小</function>
private void ShowFuncGrid_MouseWheel(object sender, MouseWheelEventArgs e)
{
var canvas = (Canvas)this.GetTemplateChild("FuncShowCanvas"); //找到功能演示面板
if (e.Delta > 0) //上滑放大
{
if (canvas.Width > 550) //550表示原Canvas大小的1.1倍
{
return;
}
if (CheckedItemName != "Setting0")
{
canvas.Width = canvas.Width * (1 + ScaleSpeed);//改变容器Canvas的宽高
canvas.Height = canvas.Height * (1 + ScaleSpeed);
}
if (canvas.Children.Count != 0) //判断初始时是否有子Canvas，没有则不设定子Canvas宽高
{
CSys.Width = canvas.Width; //设置子Canvas的宽高与容器Canvas的宽高一致
CSys.Height = canvas.Height;
CSys.ClearCSys(); //清除子Canvas的子元素并重绘网格
if (CheckedItemName != "Home") //若点击的是Home，则不绘网格
{
CSys.ShowGrid(50);
}
CSys.DrawDots();
}
}
else//下滑缩小
{
if (canvas.Width < 250)//250表示原Canvas大小的0.5倍
{
return;
}
if (CheckedItemName != "Setting0")
{
canvas.Width = canvas.Width * (1 - ScaleSpeed);//改变容器Canvas的宽高
canvas.Height = canvas.Height * (1 - ScaleSpeed);
}
if (canvas.Children.Count != 0) //判断初始时是否有子Canvas，没有则不设定子Canvas宽高
{
CSys.Width = canvas.Width; //设置子Canvas的宽高与容器Canvas的宽高一致
CSys.Height = canvas.Height;
CSys.ClearCSys(); //清除子Canvas的子元素并重绘网格
if (CheckedItemName != "Home") //若点击的是Home，则不绘网格
{
CSys.ShowGrid(50);
}
CSys.DrawDots();
}
}
}
/// <summary>
/// 功能列表项的点击回应事件
/// </summary>
private void ListBoxItemPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
#region 项点击检测
var canvas = (Canvas)this.GetTemplateChild("FuncShowCanvas"); //找到功能演示面板
var itemName = (sender as ListBoxItem).Name; //判断此次点击的项是否是上次点击的，或是初次点击的项，如果不是则清空容器Canvas
if (itemName != CheckedItemName && itemName != "")
{
canvas.Children.Clear();
}
CheckedItemName = itemName; //记录上次点击的项的名字
if (CheckedItemName != "Setting0") //先判断点击的项应不是无需绘制坐标系的项
{
if (canvas.Children.Count == 0) //再判断，如果容器Canvas上没有子Canvas，则重绘子Canvas
{
canvas.Children.Add(CSys.canvas);
CSys.CreateCoordinateSys();
CSys.ClearCSys();
CSys.ShowGrid(50);
}
}
#endregion
//判断点击的是哪个ListItem
switch (itemName)
{
#region 圆与椭圆
#region 中点画圆算法
case "Circle0":
CSys.ClearDotLocInfor(); //清空点信息
CircleAlgo.MidpointCircleAlgo();
CSys.DrawDots(); //画点
break;
#endregion
#region Bresenham画圆算法
case "Circle1":
CSys.ClearDotLocInfor();
CircleAlgo.BresenhamCircleAlgo();
CSys.DrawDots();
break;
#endregion
#region 正负判定画圆算法
case "Circle2":
CSys.ClearDotLocInfor();
CircleAlgo.PosiAndNegaCircleAlgo();
CSys.DrawDots();
break;
#endregion
#region 快速画圆算法
case "Circle3":
CSys.ClearDotLocInfor();
CircleAlgo.QuickCircleAlgo();
CSys.DrawDots();
break;
#endregion
#region 中点椭圆算法
case "Circle4":
CSys.ClearDotLocInfor();
CircleAlgo.MidpointEllipseAlgo();
CSys.DrawDots();
break;
#endregion
#region Bresenham椭圆算法
case "Circle5":
CSys.ClearDotLocInfor();
CircleAlgo.BresenhamEllipseAlgo();
CSys.DrawDots();
break;
#endregion
#endregion
#region 矩形
#region 矩形生成算法-不填充
case "Square0":
CSys.ClearDotLocInfor();
RectangleAlgo.RectangleNoFillAlgo();
CSys.DrawDots();
break;
#endregion
#region 矩形生成算法-填充
case "Square1":
CSys.ClearDotLocInfor();
RectangleAlgo.RectangleFillAlgo();
CSys.DrawDots();
break;
#endregion
#endregion
#region 直线
#region DDA画线法
case "StraitLine0": //DDA画线法
CSys.ClearDotLocInfor();
StraitLineAlgo.DrawStraitLineDDA();
CSys.DrawDots();
break;
#endregion
#region 中点画线法
case "StraitLine1": //中点画线法
CSys.ClearDotLocInfor();
StraitLineAlgo.TwoStepsDrawStraitLine();
CSys.DrawDots();
break;
#endregion
#region Bresenham画线
case "StraitLine2": //Bresenham画线
CSys.ClearDotLocInfor();
StraitLineAlgo.BresenhamStraitLine();
CSys.DrawDots();
break;
#endregion
#endregion
#region 多边形
#region 正三角形
case "Polygon0":
CSys.ClearDotLocInfor();
PolygonAlgo.RegularTriangle();
CSys.DrawDots();
break;
#endregion
#region 正方形
case "Polygon1":
CSys.ClearDotLocInfor();
PolygonAlgo.CreateSquare();
CSys.DrawDots();
break;
#endregion
#region 任意个顶点的多边形
case "Polygon2":
CSys.ClearDotLocInfor();
PolygonAlgo.CreateGenericPolygon();
CSys.DrawDots();
break;
#endregion
#endregion
#region 字符
#region 英文字符 A/a-Z/z
#region A/G-Consolas字体
case "Character0":
CSys.ClearDotLocInfor();
CharacterAlgo.A();
CSys.DrawDots();
break;
case "Character1":
CSys.ClearDotLocInfor();
CharacterAlgo.B();
CSys.DrawDots();
break;
case "Character2":
CSys.ClearDotLocInfor();
CharacterAlgo.C();
CSys.DrawDots();
break;
case "Character3":
CSys.ClearDotLocInfor();
CharacterAlgo.D();
CSys.DrawDots();
break;
case "Character4":
CSys.ClearDotLocInfor();
CharacterAlgo.E();
CSys.DrawDots();
break;
case "Character5":
CSys.ClearDotLocInfor();
CharacterAlgo.F();
CSys.DrawDots();
break;
case "Character6":
CSys.ClearDotLocInfor();
CharacterAlgo.G();
CSys.DrawDots();
break;
#endregion
#region H/n-Gabriola字体
case "Character7":
CSys.ClearDotLocInfor();
CharacterAlgo.H();
CSys.DrawDots();
break;
case "Character8":
CSys.ClearDotLocInfor();
CharacterAlgo.I();
CSys.DrawDots();
break;
case "Character9":
CSys.ClearDotLocInfor();
CharacterAlgo.J();
CSys.DrawDots();
break;
case "Character10":
CSys.ClearDotLocInfor();
CharacterAlgo.K();
CSys.DrawDots();
break;
case "Character11":
CSys.ClearDotLocInfor();
CharacterAlgo.L();
CSys.DrawDots();
break;
case "Character12":
CSys.ClearDotLocInfor();
CharacterAlgo.M();
CSys.DrawDots();
break;
case "Character13":
CSys.ClearDotLocInfor();
CharacterAlgo.N();
CSys.DrawDots();
break;
#endregion
#region O/Q-Segoe Print字体
case "Character14":
CSys.ClearDotLocInfor();
CharacterAlgo.O();
CSys.DrawDots();
break;
case "Character15":
CSys.ClearDotLocInfor();
CharacterAlgo.P();
CSys.DrawDots();
break;
case "Character16":
CSys.ClearDotLocInfor();
CharacterAlgo.Q();
CSys.DrawDots();
break;
#endregion
#region R/T-Hobo Std字体
case "Character17":
CSys.ClearDotLocInfor();
CharacterAlgo.R();
CSys.DrawDots();
break;
case "Character18":
CSys.ClearDotLocInfor();
CharacterAlgo.S();
CSys.DrawDots();
break;
case "Character19":
CSys.ClearDotLocInfor();
CharacterAlgo.T();
CSys.DrawDots();
break;
#endregion
#region U/W-Segoe Print字体
case "Character20":
CSys.ClearDotLocInfor();
CharacterAlgo.U();
CSys.DrawDots();
break;
case "Character21":
CSys.ClearDotLocInfor();
CharacterAlgo.V();
CSys.DrawDots();
break;
case "Character22":
CSys.ClearDotLocInfor();
CharacterAlgo.W();
CSys.DrawDots();
break;
#endregion
#region X/Z-Letter Gothic Std字体
case "Character23":
CSys.ClearDotLocInfor();
CharacterAlgo.X();
CSys.DrawDots();
break;
case "Character24":
CSys.ClearDotLocInfor();
CharacterAlgo.Y();
CSys.DrawDots();
break;
case "Character25":
CSys.ClearDotLocInfor();
CharacterAlgo.Z();
CSys.DrawDots();
break;
#endregion
#endregion
#region 特殊字符
case "Character26":
CSys.ClearDotLocInfor();
CharacterAlgo.SpecialCharacters();
CSys.DrawDots();
break;
#endregion
#region 汉字
#region 富强民主 文明和谐
case "Character27":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters0();
CSys.DrawDots();
break;
case "Character28":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters1();
CSys.DrawDots();
break;
case "Character29":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters2();
CSys.DrawDots();
break;
case "Character30":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters3();
CSys.DrawDots();
break;
case "Character31":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters4();
CSys.DrawDots();
break;
case "Character32":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters5();
CSys.DrawDots();
break;
case "Character33":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters6();
CSys.DrawDots();
break;
case "Character34":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters7();
CSys.DrawDots();
break;
#endregion
#region 自由平等 公正法治
case "Character35":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters8();
CSys.DrawDots();
break;
case "Character36":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters9();
CSys.DrawDots();
break;
case "Character37":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters10();
CSys.DrawDots();
break;
case "Character38":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters11();
CSys.DrawDots();
break;
case "Character39":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters12();
CSys.DrawDots();
break;
case "Character40":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters13();
CSys.DrawDots();
break;
case "Character41":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters14();
CSys.DrawDots();
break;
case "Character42":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters15();
CSys.DrawDots();
break;
#endregion
#region 爱国敬业 诚信友善
case "Character43":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters16();
CSys.DrawDots();
break;
case "Character44":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters17();
CSys.DrawDots();
break;
case "Character45":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters18();
CSys.DrawDots();
break;
case "Character46":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters19();
CSys.DrawDots();
break;
case "Character47":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters20();
CSys.DrawDots();
break;
case "Character48":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters21();
CSys.DrawDots();
break;
case "Character49":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters22();
CSys.DrawDots();
break;
case "Character50":
CSys.ClearDotLocInfor();
CharacterAlgo.ChineseCharacters23();
CSys.DrawDots();
break;
#endregion
#endregion
#endregion
#region 变换
case "Transform0":
CSys.RefreshCordinateSys();
TransformAlgo.SetTranslationStartState(15, 10);
CSys.DrawDots();
break;
case "Transform1":
CSys.RefreshCordinateSys();
TransformAlgo.SetRotationStartState(30);
CSys.DrawDots();
break;
#endregion
#region 设置
case "Setting0":
//将宽高重设回默认宽高
canvas.Width = 500;
canvas.Height = 500;
//清空所有容器Canvas的对象。
canvas.Children.Clear();
//填充页面
Pages.CanvasContentColorPicker canvasContentColorPicker = new Pages.CanvasContentColorPicker();
canvasContent.Width = canvas.Width;
canvasContent.Height = canvas.Height;
canvas.Children.Add(canvasContentColorPicker);
break;
#endregion
default:
break;
}
}