public void OnPaint(IGraphicsDraw canvasDraw)
{
if (_currObjectSnapPoint != null)
{
CanvasDraw gd = canvasDraw as CanvasDraw;
Pen pen = GDIResMgr.Instance.GetPen(Color.White, 2);
gd.pen = pen;
LitMath.Vector2 posInCanvas = _presenter.ModelToCanvas(_currObjectSnapPoint.position);
switch (_currObjectSnapPoint.type)
{
case ObjectSnapMode.End:
{
gd.DrawRectangle(new LitMath.Vector2(posInCanvas.x - _threshold, posInCanvas.y - _threshold),
_threshold * 2, _threshold * 2);
}
break;
case ObjectSnapMode.Mid:
{
LitMath.Vector2 offset = new LitMath.Vector2(0, -_threshold * 1.2);
LitMath.Vector2 point1 = posInCanvas + offset;
offset = LitMath.Vector2.Rotate(offset, 120);
LitMath.Vector2 point2 = posInCanvas + offset;
offset = LitMath.Vector2.Rotate(offset, 120);
LitMath.Vector2 point3 = posInCanvas + offset;
gd.DrawLine(point1, point2);
gd.DrawLine(point2, point3);
gd.DrawLine(point3, point1);
}
break;
case ObjectSnapMode.Center:
{
gd.DrawCircle(posInCanvas, _threshold);
}
break;
default:
{
gd.DrawRectangle(new LitMath.Vector2(posInCanvas.x - _threshold, posInCanvas.y - _threshold),
_threshold * 2, _threshold * 2);
}
break;
}
}
}
public CreateGraphicsHistory(IGraphicsDraw drawer, GraphicsBase graphics)
{
this.Description = "创建图形";
Graphics = graphics;
Drawer = drawer;
if (graphics is GraphicsLineModel)
{
this.Revocation = () =>
{
var glm = (Graphics as GraphicsLineModel);
glm.Revocate(Drawer);
};
this.Redo = () =>
{
var glm = (Graphics as GraphicsLineModel);
glm.Redo(Drawer, null);
};
}
else
{
this.Revocation = () => (Graphics as GraphicsBase).Revocate(drawer);
this.Redo = () => (Graphics as GraphicsBase).Redo(drawer, graphics);
}
}
public SliderPenPart(IGraphicsDraw drawer, string propath, string text, Rect bouds)
: base(drawer, propath, text, bouds)
{
this.InitializeComponent();
}
public TextPen(IGraphicsDraw drawer, PensManagerBase pensManager)
: base(drawer, pensManager, "文字笔")
{
PenParts.Add(new InputBoxPenPart(Drawer, "Text", "内容"));
PenParts.Add(new SliderPenPart(Drawer, "TextFormat.FontSize", "文字大小", new Rect(0, 0, 100, 100)));
}
public EraserGraphics(IGraphicsDraw drawer, PensManagerBase pensManager)
: base(drawer, pensManager, "图形擦")
{
}
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
gd.DrawLine(_startPoint, _endPoint);
}
public EraserGraphicsBuildPart(IGraphicsDraw drawer)
: base(drawer)
{
CanvasPointerMoved = PointerMoved;
}
public GraphicsRoundedRectangleModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.RoundRectangle, penModel, draw)
{
}
public GraphicsTextModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.Text, penModel, draw)
{
}
public GraphicsImage(GraphicsTypes graphics, PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.Image, penModel, draw)
{
}
public GraphicsCircleModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.Circle, penModel, draw)
{
}
public GaussianBlurModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.GaussianBlur, penModel, draw)
{
}
public GraphicsEllipseModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.Ellipse, penModel, draw)
{
}
public GraphicsLineModel(PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.CurveLine, penModel, draw)
{
IsFill = true;
}
public EclipsePen(IGraphicsDraw drawer, PensManagerBase pensManager)
: base(drawer, pensManager, "圆形笔")
{
PenParts.Add(new SliderPenPart(drawer, "LocPenModel.StrokeWidth", "笔宽", new Rect(0, 0, 100, 100)));
PenParts.Add(new ToggerPenPart(drawer, "IsFill", "填充"));
}
public SelectPen(IGraphicsDraw drawer, PensManagerBase pensManager)
: base(drawer, pensManager, "选择笔")
{
PenParts.Add(new ToggerPenPart(Drawer, "IsLock", "锁定图层"));
}
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
gd.DrawCircle(_center, _radius);
}
public LayerPartBuildBase(IGraphicsDraw drawer)
{
Drawer = drawer;
CanvasDraw = Draw;
}
/// <summary>
/// 生成实例
/// </summary>
/// <param name="drawer">图层实例</param>
/// <param name="bindingpath">属性双向绑定路径</param>
public PenPartControlBase(IGraphicsDraw drawer, string bindingpath, string text, Rect bounds)
: this(drawer, bindingpath, text)
{
Bounds = bounds;
}
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
gd.DrawPoint(_endPoint);
}
public ToggerPenPart(IGraphicsDraw drawer, string propath, string text)
: base(drawer, propath, text, new Rect())
{
this.InitializeComponent();
}
/// <summary>
/// 暂时不用
/// </summary>
/// <param name="graphics"></param>
/// <param name="penModel"></param>
/// <param name="draw"></param>
public GraphicsScanModel(GraphicsTypes graphics, PenModel penModel, IGraphicsDraw draw)
: base(GraphicsTypes.Scan, penModel, draw)
{
}
public LayerPartManager(IGraphicsDraw draw)
{
Drawer = draw;
GraphicsBuildCollection = new Dictionary <GraphicsTypes, ILayerPartBuild>();
InitGraphicsBuilds();
}
public abstract void Revocate(IGraphicsDraw drawer);
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
LitMath.Vector2 size = gd.DrawText(_position, _text, _height, _font, (LitCAD.TextAlignment)_alignment);
this.UpdateBounding(size.x, size.y);
}
public abstract void Redo(IGraphicsDraw drawer, object data);
/// <summary>
/// 绘制函数
/// </summary>
public virtual void Draw(IGraphicsDraw gd)
{
}
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
gd.DrawXLine(_basePoint, _direction);
}
public InputBoxPenPart(IGraphicsDraw drawer, string propath, string text)
: base(drawer, propath, text)
{
this.InitializeComponent();
}
/// <summary>
/// 绘制函数
/// </summary>
public override void Draw(IGraphicsDraw gd)
{
gd.DrawArc(_center, _radius, startAngle, endAngle);
}
