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C# Viewport2D.Expand方法代码示例

本文整理汇总了C#中Sledge.UI.Viewport2D.Expand方法的典型用法代码示例。如果您正苦于以下问题:C# Viewport2D.Expand方法的具体用法?C# Viewport2D.Expand怎么用?C# Viewport2D.Expand使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Sledge.UI.Viewport2D的用法示例。


在下文中一共展示了Viewport2D.Expand方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: SelectionTest

        private MapObject SelectionTest(Viewport2D viewport, ViewportEvent e)
        {
            // Create a box to represent the click, with a tolerance level
            var unused = viewport.GetUnusedCoordinate(new Coordinate(100000, 100000, 100000));
            var tolerance = 4 / viewport.Zoom; // Selection tolerance of four pixels
            var used = viewport.Expand(new Coordinate(tolerance, tolerance, 0));
            var add = used + unused;
            var click = viewport.Expand(viewport.ScreenToWorld(e.X, viewport.Height - e.Y));
            var box = new Box(click - add, click + add);

            var centerHandles = Sledge.Settings.Select.DrawCenterHandles;
            var centerOnly = Sledge.Settings.Select.ClickSelectByCenterHandlesOnly;
            // Get the first element that intersects with the box, selecting or deselecting as needed
            return Document.Map.WorldSpawn.GetAllNodesIntersecting2DLineTest(box, centerHandles, centerOnly).FirstOrDefault();
        }
开发者ID:074769,项目名称:sledge,代码行数:15,代码来源:SelectTool.cs

示例2: SnapBoxCoordinatesIfNeeded

        private Tuple<Coordinate, Coordinate> SnapBoxCoordinatesIfNeeded(Viewport2D viewport, Coordinate start, Coordinate end)
        {
            if (State.Action == BoxAction.Resizing && State.Handle == ResizeHandle.Center)
            {
                // Pick the corner to snap
                var ms = State.MoveStart;
                var pts = viewport.Flatten(State.PreTransformBoxStart);
                var pte = viewport.Flatten(State.PreTransformBoxEnd);
                var ss = SnapIfNeeded(start);
                var se = SnapIfNeeded(end);
                var middle = (pts + pte) / 2;
                var delta = ss - start;
                if (ms.Y > middle.Y)
                {
                    // Top
                    delta.Y = se.Y - end.Y;
                }
                if (ms.X > middle.X)
                {
                    // Right
                    delta.X = se.X - end.X;
                }
                start += delta;
                end += delta;
            }

            var cstart = viewport.Expand(start) + viewport.GetUnusedCoordinate(State.BoxStart);
            var cend = viewport.Expand(end) + viewport.GetUnusedCoordinate(State.BoxEnd);
            return Tuple.Create(cstart, cend);
        }
开发者ID:KonstantinUb,项目名称:sledge,代码行数:30,代码来源:BaseBoxTool.cs

示例3: GetOriginForTransform

 private static Coordinate GetOriginForTransform(Viewport2D viewport, BaseBoxTool.BoxState state)
 {
     decimal x = 0;
     decimal y = 0;
     var cstart = viewport.Flatten(state.PreTransformBoxStart);
     var cend = viewport.Flatten(state.PreTransformBoxEnd);
     switch (state.Handle)
     {
         case BaseBoxTool.ResizeHandle.TopLeft:
         case BaseBoxTool.ResizeHandle.Top:
         case BaseBoxTool.ResizeHandle.TopRight:
         case BaseBoxTool.ResizeHandle.Left:
         case BaseBoxTool.ResizeHandle.Right:
             y = cstart.Y;
             break;
         case BaseBoxTool.ResizeHandle.BottomLeft:
         case BaseBoxTool.ResizeHandle.Bottom:
         case BaseBoxTool.ResizeHandle.BottomRight:
             y = cend.Y;
             break;
     }
     switch (state.Handle)
     {
         case BaseBoxTool.ResizeHandle.Top:
         case BaseBoxTool.ResizeHandle.TopRight:
         case BaseBoxTool.ResizeHandle.Right:
         case BaseBoxTool.ResizeHandle.BottomRight:
         case BaseBoxTool.ResizeHandle.Bottom:
             x = cstart.X;
             break;
         case BaseBoxTool.ResizeHandle.TopLeft:
         case BaseBoxTool.ResizeHandle.Left:
         case BaseBoxTool.ResizeHandle.BottomLeft:
             x = cend.X;
             break;
     }
     return viewport.Expand(new Coordinate(x, y, 0));
 }
开发者ID:jpiolho,项目名称:sledge,代码行数:38,代码来源:ResizeTool.cs

示例4: LeftMouseDownToDraw

 protected virtual void LeftMouseDownToDraw(Viewport2D viewport, ViewportEvent e)
 {
     State.ActiveViewport = viewport;
     State.Action = BoxAction.DownToDraw;
     State.BoxStart = SnapIfNeeded(viewport.Expand(viewport.ScreenToWorld(e.X, viewport.Height - e.Y)));
     State.BoxEnd = State.BoxStart;
     State.Handle = ResizeHandle.BottomLeft;
     OnBoxChanged();
 }
开发者ID:KonstantinUb,项目名称:sledge,代码行数:9,代码来源:BaseBoxTool.cs

示例5: GetResizedBoxCoordinates

        protected Tuple<Coordinate, Coordinate> GetResizedBoxCoordinates(Viewport2D viewport, ViewportEvent e)
        {
            if (State.Action != BoxAction.Resizing && State.Action != BoxAction.Drawing) return Tuple.Create(State.BoxStart, State.BoxEnd);
            var now = SnapIfNeeded(viewport.ScreenToWorld(e.X, viewport.Height - e.Y));
            var cstart = viewport.Flatten(State.BoxStart);
            var cend = viewport.Flatten(State.BoxEnd);

            // Proportional scaling
            var ostart = viewport.Flatten(State.PreTransformBoxStart ?? Coordinate.Zero);
            var oend = viewport.Flatten(State.PreTransformBoxEnd ?? Coordinate.Zero);
            var owidth = oend.X - ostart.X;
            var oheight = oend.Y - ostart.Y;
            var proportional = KeyboardState.Ctrl && State.Action == BoxAction.Resizing && owidth != 0 && oheight != 0;

            switch (State.Handle)
            {
                case ResizeHandle.TopLeft:
                    cstart.X = now.X;
                    cend.Y = now.Y;
                    break;
                case ResizeHandle.Top:
                    cend.Y = now.Y;
                    break;
                case ResizeHandle.TopRight:
                    cend.X = now.X;
                    cend.Y = now.Y;
                    break;
                case ResizeHandle.Left:
                    cstart.X = now.X;
                    break;
                case ResizeHandle.Center:
                    var cdiff = cend - cstart;
                    var distance = GetResizeDistance(viewport, e);
                    if (distance == null) cstart = viewport.Flatten(State.PreTransformBoxStart) + now - SnapIfNeeded(State.MoveStart);
                    else cstart = viewport.Flatten(State.PreTransformBoxStart) + distance;
                    cend = cstart + cdiff;
                    break;
                case ResizeHandle.Right:
                    cend.X = now.X;
                    break;
                case ResizeHandle.BottomLeft:
                    cstart.X = now.X;
                    cstart.Y = now.Y;
                    break;
                case ResizeHandle.Bottom:
                    cstart.Y = now.Y;
                    break;
                case ResizeHandle.BottomRight:
                    cend.X = now.X;
                    cstart.Y = now.Y;
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }
            if (proportional)
            {
                var nwidth = cend.X - cstart.X;
                var nheight = cend.Y - cstart.Y;
                var mult = Math.Max(nwidth / owidth, nheight / oheight);
                var pwidth = owidth * mult;
                var pheight = oheight * mult;
                var wdiff = pwidth - nwidth;
                var hdiff = pheight - nheight;
                switch (State.Handle)
                {
                    case ResizeHandle.TopLeft:
                        cstart.X -= wdiff;
                        cend.Y += hdiff;
                        break;
                    case ResizeHandle.TopRight:
                        cend.X += wdiff;
                        cend.Y += hdiff;
                        break;
                    case ResizeHandle.BottomLeft:
                        cstart.X -= wdiff;
                        cstart.Y -= hdiff;
                        break;
                    case ResizeHandle.BottomRight:
                        cend.X += wdiff;
                        cstart.Y -= hdiff;
                        break;
                }
            }
            cstart = viewport.Expand(cstart) + viewport.GetUnusedCoordinate(State.BoxStart);
            cend = viewport.Expand(cend) + viewport.GetUnusedCoordinate(State.BoxEnd);
            return Tuple.Create(cstart, cend);
        }
开发者ID:silky,项目名称:sledge,代码行数:87,代码来源:BaseBoxTool.cs


注:本文中的Sledge.UI.Viewport2D.Expand方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。