internal Rectangle DrawEdge(Gdi32.HDC dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (!ClientUtils.IsEnumValid_Masked(edges, (int)edges, (uint)(Edges.Left | Edges.Top | Edges.Right | Edges.Bottom | Edges.Diagonal)))
{
throw new InvalidEnumArgumentException(nameof(edges), (int)edges, typeof(Edges));
}
if (!ClientUtils.IsEnumValid_NotSequential(style, (int)style, (int)EdgeStyle.Raised, (int)EdgeStyle.Sunken, (int)EdgeStyle.Etched, (int)EdgeStyle.Bump))
{
throw new InvalidEnumArgumentException(nameof(style), (int)style, typeof(EdgeStyle));
}
if (!ClientUtils.IsEnumValid_Masked(effects, (int)effects, (uint)(EdgeEffects.FillInterior | EdgeEffects.Flat | EdgeEffects.Soft | EdgeEffects.Mono)))
{
throw new InvalidEnumArgumentException(nameof(effects), (int)effects, typeof(EdgeEffects));
}
RECT destRect = bounds;
var contentRect = new RECT();
_lastHResult = DrawThemeEdge(
this,
dc,
Part,
State,
ref destRect,
(User32.EDGE)style,
(User32.BF)edges | (User32.BF)effects | User32.BF.ADJUST,
ref contentRect);
return(contentRect);
}
/// <summary>
/// [See win32 equivalent.]
/// </summary>
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
if (!ClientUtils.IsEnumValid_Masked(edges, (int)edges, (uint)(Edges.Left | Edges.Top | Edges.Right | Edges.Bottom | Edges.Diagonal)))
{
throw new InvalidEnumArgumentException(nameof(edges), (int)edges, typeof(Edges));
}
if (!ClientUtils.IsEnumValid_NotSequential(style, (int)style, (int)EdgeStyle.Raised, (int)EdgeStyle.Sunken, (int)EdgeStyle.Etched, (int)EdgeStyle.Bump))
{
throw new InvalidEnumArgumentException(nameof(style), (int)style, typeof(EdgeStyle));
}
if (!ClientUtils.IsEnumValid_Masked(effects, (int)effects, (uint)(EdgeEffects.FillInterior | EdgeEffects.Flat | EdgeEffects.Soft | EdgeEffects.Mono)))
{
throw new InvalidEnumArgumentException(nameof(effects), (int)effects, typeof(EdgeEffects));
}
NativeMethods.COMRECT rect = new NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, AllGraphicsProperties))
{
HandleRef hdc = new HandleRef(wgr, wgr.WindowsGraphics.DeviceContext.Hdc);
lastHResult = SafeNativeMethods.DrawThemeEdge(new HandleRef(this, Handle), hdc, part, state, new NativeMethods.COMRECT(bounds), (int)style, (int)edges | (int)effects | EdgeAdjust, rect);
}
return(Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom));
}
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(edges, (int) edges, 0x1f))
{
throw new InvalidEnumArgumentException("edges", (int) edges, typeof(Edges));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_NotSequential(style, (int) style, new int[] { 5, 10, 6, 9 }))
{
throw new InvalidEnumArgumentException("style", (int) style, typeof(EdgeStyle));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(effects, (int) effects, 0xd800))
{
throw new InvalidEnumArgumentException("effects", (int) effects, typeof(EdgeEffects));
}
System.Windows.Forms.NativeMethods.COMRECT pContentRect = new System.Windows.Forms.NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeEdge(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), (int) style, ((int) (edges | ((Edges) ((int) effects)))) | 0x2000, pContentRect);
}
return Rectangle.FromLTRB(pContentRect.left, pContentRect.top, pContentRect.right, pContentRect.bottom);
}
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
if (!ClientUtils.IsEnumValid_Masked(edges, (int)edges, (uint)(Edges.Left | Edges.Top | Edges.Right | Edges.Bottom | Edges.Diagonal)))
{
throw new InvalidEnumArgumentException(nameof(edges), (int)edges, typeof(Edges));
}
if (!ClientUtils.IsEnumValid_NotSequential(style, (int)style, (int)EdgeStyle.Raised, (int)EdgeStyle.Sunken, (int)EdgeStyle.Etched, (int)EdgeStyle.Bump))
{
throw new InvalidEnumArgumentException(nameof(style), (int)style, typeof(EdgeStyle));
}
if (!ClientUtils.IsEnumValid_Masked(effects, (int)effects, (uint)(EdgeEffects.FillInterior | EdgeEffects.Flat | EdgeEffects.Soft | EdgeEffects.Mono)))
{
throw new InvalidEnumArgumentException(nameof(effects), (int)effects, typeof(EdgeEffects));
}
using var wgr = new WindowsGraphicsWrapper(dc, AllGraphicsProperties);
var hdc = new HandleRef(wgr, wgr.WindowsGraphics.DeviceContext.Hdc);
RECT destRect = bounds;
var contentRect = new RECT();
lastHResult = UxTheme.DrawThemeEdge(this, hdc, part, state, ref destRect, (User32.EDGE)style, (User32.BF)edges | (User32.BF)effects | User32.BF.ADJUST, ref contentRect);
return(contentRect);
}
/// <summary>
/// [See win32 equivalent.]
/// </summary>
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
ArgumentNullException.ThrowIfNull(dc);
using var hdc = new DeviceContextHdcScope(dc);
return(DrawEdge(hdc, bounds, edges, style, effects));
}
private Edge CreateEdge(string start, string finish, EdgeStyle style)
{
var s = new Node(start, start);
var f = new Node(finish, finish);
return(new Edge(s, f, style));
}
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(edges, (int)edges, 0x1f))
{
throw new InvalidEnumArgumentException("edges", (int)edges, typeof(Edges));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_NotSequential(style, (int)style, new int[] { 5, 10, 6, 9 }))
{
throw new InvalidEnumArgumentException("style", (int)style, typeof(EdgeStyle));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(effects, (int)effects, 0xd800))
{
throw new InvalidEnumArgumentException("effects", (int)effects, typeof(EdgeEffects));
}
System.Windows.Forms.NativeMethods.COMRECT pContentRect = new System.Windows.Forms.NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeEdge(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), (int)style, ((int)(edges | ((Edges)((int)effects)))) | 0x2000, pContentRect);
}
return(Rectangle.FromLTRB(pContentRect.left, pContentRect.top, pContentRect.right, pContentRect.bottom));
}
public void VisitEdge_edgeWithArrowTail_setsStatementAttributeValueArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Crow;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.AttributeValue(Dot.ArrowTail), Is.EqualTo("crow"));
}
public void VisitEdge_edgeWithArrowTail_setsStatementAttributeArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Box;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.ArrowTail));
}
public EdgeStyle ReadEdgeStyle(string edgeId)
{
var style = new EdgeStyle(edgeId);
style.Style = myReader.ReadString();
style.Color = StyleConverter.GetBrush(myReader.ReadString());
return(style);
}
/// <summary>
/// [See win32 equivalent.]
/// </summary>
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc is null)
{
throw new ArgumentNullException(nameof(dc));
}
using var hdc = new DeviceContextHdcScope(dc);
return(DrawEdge(hdc, bounds, edges, style, effects));
}
public int UxThemeDrawThemeEdge (IntPtr hTheme, IDeviceContext dc, int iPartId, int iStateId, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects, out Rectangle result)
{
XplatUIWin32.RECT BoundsRect = XplatUIWin32.RECT.FromRectangle (bounds);
XplatUIWin32.RECT retval;
int hresult = UXTheme.DrawThemeEdge (hTheme, dc.GetHdc (), iPartId, iStateId, ref BoundsRect, (uint)style, (uint)edges + (uint)effects, out retval);
dc.ReleaseHdc ();
result = retval.ToRectangle();
return hresult;
}
protected void AddEdges(Graph g, NodeIndex index)
{
Node nd = nodeOf[index];
if (nd == null)
{
return;
}
foreach (EdgeIndex edge in dg.EdgesInto(index))
{
NodeIndex sourceIndex = dg.SourceOf(edge);
Node nd2 = nodeOf[sourceIndex];
if (nd2 == null)
{
continue;
}
EdgeStyle style = GetEdgeStyle(edge);
Edge e;
if ((style & EdgeStyle.Back) > 0)
{
e = g.AddEdge(nd.Attr.Id, nd2.Attr.Id);
e.Attr.Color = Color.Red;
e.Attr.ArrowheadAtSource = ArrowStyle.Normal;
e.Attr.ArrowheadAtTarget = ArrowStyle.None;
if ((style & EdgeStyle.Blue) > 0)
{
e.Attr.Color = Color.Purple;
}
}
else
{
e = g.AddEdge(nd2.Attr.Id, nd.Attr.Id);
if ((style & EdgeStyle.Blue) > 0)
{
e.Attr.Color = Color.Blue;
}
if ((style & EdgeStyle.Dimmed) > 0)
{
e.Attr.Color = Color.LightGray;
}
}
if (edgeName != null)
{
e.LabelText = edgeName(edge);
}
if ((style & EdgeStyle.Bold) > 0)
{
e.Attr.LineWidth = 2;
}
if ((style & EdgeStyle.Dashed) > 0)
{
e.Attr.AddStyle(Style.Dashed);
}
}
}
public void VisitEdge_edgeWithArrowTail_setsStatementAttributeArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Box;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.ArrowTail));
}
public void VisitEdge_edgeWithArrowTail_setsStatementAttributeValueArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Crow;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.AttributeValue(Dot.ArrowTail), Is.EqualTo("crow"));
}
public void VisitEdge_edgeWithColor_setsStatementAttributeColor()
{
var style = new EdgeStyle();
style.Color = Color.SkyBlue;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.Color));
}
public void VisitEdge_edgeWithConstraing_setsStatementAttributeConstraintValue()
{
var style = new EdgeStyle();
style.Constraining = false;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.AttributeValue(Dot.EdgeConstraint), Is.EqualTo("false"));
}
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
Rectangle result;
last_hresult = VisualStyles.UxThemeDrawThemeEdge(theme, dc, this.part, this.state, bounds, edges, style, effects, out result);
return(result);
}
protected object AddEdge(string idFrom, string idTo, EdgeStyle edgeStyle, Color color)
{
GD.Edge edge = (GD.Edge)AddEdge(idFrom, idTo, edgeStyle);
if (edge == null)
{
return(null);
}
GD.Color gcolor = new GD.Color(color.A, color.R, color.G, color.B);
edge.Attr.Color = gcolor;
return(edge);
}
public static string GetStringValue(this EdgeStyle style)
{
switch (style)
{
case EdgeStyle.Normal:
return("solid");
case EdgeStyle.Dashed:
return("dashed");
default:
return("");
}
}
public override bool Equals(object obj)
{
var other = obj as IStyleSheet;
if (other == null)
{
return(false);
}
return(base.Equals(other) &&
BaseStyle.Equals(other.BaseStyle) &&
ItemStyle.Equals(other.ItemStyle) &&
EdgeStyle.Equals(other.EdgeStyle) &&
BackColor.Equals(other.BackColor));
}
public void RenderGraph_givenArrowShape_generatesImage(
[Values(ArrowShape.Box, ArrowShape.Crow, ArrowShape.Diamond, ArrowShape.Dot, ArrowShape.Inv, ArrowShape.None, ArrowShape.Normal, ArrowShape.Tee, ArrowShape.Vee)]
ArrowShape arrowHead)
{
var edgeStyle = new EdgeStyle();
edgeStyle.ArrowHead = arrowHead;
var startStyles
= new List <ArrowShape>
{
ArrowShape.Box,
ArrowShape.Crow,
ArrowShape.Diamond,
ArrowShape.Dot,
ArrowShape.Inv,
ArrowShape.None,
ArrowShape.Normal,
ArrowShape.Tee,
ArrowShape.Vee
};
var starts = new List <Node>();
var edges = new List <Edge>();
var finish = new Node("finish", "Finish");
foreach (var shape in startStyles)
{
var n = Enum.GetName(typeof(ArrowShape), shape);
var s = new Node(n, n);
edgeStyle.ArrowTail = shape;
var e = new Edge(s, finish, edgeStyle);
starts.Add(s);
edges.Add(e);
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(starts, finish, edges);
var renderer = new DotRenderer(graph);
var head = Enum.GetName(typeof(ArrowShape), arrowHead);
var filename = head + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
protected EdgeStyle GetEdgeStyle(EdgeIndex index)
{
EdgeStyle style = EdgeStyle.Black;
if (edgeStyles != null)
{
foreach (var esp in edgeStyles)
{
if (esp.Predicate(index))
{
style |= esp.Style;
}
}
}
return(style);
}
public void RenderGraph_givenArrowShape_generatesImage(
[Values(ArrowShape.Box, ArrowShape.Crow, ArrowShape.Diamond, ArrowShape.Dot, ArrowShape.Inv, ArrowShape.None, ArrowShape.Normal, ArrowShape.Tee, ArrowShape.Vee)]
ArrowShape arrowHead)
{
var edgeStyle = new EdgeStyle();
edgeStyle.ArrowHead = arrowHead;
var startStyles
= new List<ArrowShape>
{
ArrowShape.Box,
ArrowShape.Crow,
ArrowShape.Diamond,
ArrowShape.Dot,
ArrowShape.Inv,
ArrowShape.None,
ArrowShape.Normal,
ArrowShape.Tee,
ArrowShape.Vee
};
var starts = new List<Node>();
var edges = new List<Edge>();
var finish = new Node("finish", "Finish");
foreach (var shape in startStyles)
{
var n = Enum.GetName(typeof(ArrowShape), shape);
var s = new Node(n, n);
edgeStyle.ArrowTail = shape;
var e = new Edge(s, finish, edgeStyle);
starts.Add(s);
edges.Add(e);
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(starts, finish, edges);
var renderer = new DotRenderer(graph);
var head = Enum.GetName(typeof(ArrowShape), arrowHead);
var filename = head + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
/// <summary>
/// Initializes a new instance of the <see cref="EdgeGenerator"/> class.
/// </summary>
public EdgeGenerator()
{
mNodes = new Dictionary <string, Node>();
mMissingNodeStyle
= new NodeStyle
{
FillColor = Color.Red,
FontColor = Color.White,
Shape = NodeShape.Octagon
};
mDependencyEdges
= new EdgeStyle
{
ArrowHead = ArrowShape.Normal,
ArrowTail = ArrowShape.None,
Color = Color.Gray
};
}
public static bool DrawEdge(this Graphics graphics, Rectangle rc, EdgeStyle edge, BorderFlags flags, Rectangle?_exclude = null)
{
var rect = new RECT(rc);
using (var hdc = graphics.GetDisposableHdc())
{
bool returnValue;
if (_exclude != null)
{
var exclude = (Rectangle)_exclude;
var regionFlags = ExcludeClipRect(hdc, exclude.Left, exclude.Top, exclude.Right, exclude.Bottom);
}
returnValue = DrawEdge(hdc, ref rect, edge, flags);
return(returnValue);
}
}
public static void DrawVerticalTicks(Graphics g, Rectangle bounds, int numTicks, EdgeStyle edgeStyle)
{
if (((numTicks > 0) && (bounds.Height > 0)) && ((bounds.Width > 0) && (g != null)))
{
InitializeRenderer(VisualStyleElement.TrackBar.TicksVertical.Normal, 1);
if (numTicks == 1)
{
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, bounds.Y, bounds.Width, 2), Edges.Top, edgeStyle, EdgeEffects.None);
}
else
{
float num = (bounds.Height - 2f) / (numTicks - 1f);
while (numTicks > 0)
{
float num2 = bounds.Y + ((numTicks - 1) * num);
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, (int) Math.Round((double) num2), bounds.Width, 2), Edges.Top, edgeStyle, EdgeEffects.None);
numTicks--;
}
}
}
}
internal Rectangle DrawEdge(Gdi32.HDC dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
SourceGenerated.EnumValidator.Validate(edges, nameof(edges));
SourceGenerated.EnumValidator.Validate(style, nameof(style));
SourceGenerated.EnumValidator.Validate(effects, nameof(effects));
RECT destRect = bounds;
var contentRect = new RECT();
_lastHResult = DrawThemeEdge(
this,
dc,
Part,
State,
ref destRect,
(User32.EDGE)style,
(User32.BF)edges | (User32.BF)effects | User32.BF.ADJUST,
ref contentRect);
return(contentRect);
}
public void VisualStyleRenderer_DrawEdge_InvalidStyle_ThrowsInvalidEnumArgumentException(EdgeStyle style)
{
var renderer = new VisualStyleRenderer(VisualStyleElement.Button.PushButton.Normal);
using var bitmap = new Bitmap(10, 10);
using Graphics graphics = Graphics.FromImage(bitmap);
Assert.Throws <InvalidEnumArgumentException>("style", () => renderer.DrawEdge(graphics, new Rectangle(1, 2, 3, 4), Edges.Bottom, style, EdgeEffects.FillInterior));
}
public int UxThemeDrawThemeEdge(IntPtr hTheme, IDeviceContext dc, int iPartId, int iStateId, Rectangle_ bounds, Edges edges, EdgeStyle style, EdgeEffects effects, out Rectangle_ result)
{
XplatUIWin32.RECT BoundsRect = XplatUIWin32.RECT.FromRectangle(bounds);
XplatUIWin32.RECT retval;
int hresult = UXTheme.DrawThemeEdge(hTheme, dc.GetHdc(), iPartId, iStateId, ref BoundsRect, (uint)style, (uint)edges + (uint)effects, out retval);
dc.ReleaseHdc();
result = retval.ToRectangle();
return(hresult);
}
public System.Drawing.Rectangle DrawEdge(System.Drawing.IDeviceContext dc, System.Drawing.Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
}
public void VisualStyleRenderer_DrawEdge_Invoke_Success(Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
// Don't verify anything, just make sure the interop call succeeds.
var renderer = new VisualStyleRenderer(VisualStyleElement.Button.PushButton.Normal);
using var bitmap = new Bitmap(10, 10);
using Graphics graphics = Graphics.FromImage(bitmap);
Rectangle result = renderer.DrawEdge(graphics, bounds, edges, style, effects);
Assert.Equal(0, renderer.LastHResult);
}
/// <summary>
/// Renders a vertical tick.
/// </summary>
public static void DrawVerticalTicks(Graphics g, Rectangle bounds, int numTicks, EdgeStyle edgeStyle)
{
if (numTicks <= 0 || bounds.Height <= 0 || bounds.Width <= 0 || g == null)
{
return;
}
InitializeRenderer(VisualStyleElement.TrackBar.TicksVertical.Normal, 1);
//trivial case
if (numTicks == 1)
{
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, bounds.Y, bounds.Width, lineWidth), Edges.Top, edgeStyle, EdgeEffects.None);
return;
}
float inc = ((float)bounds.Height - lineWidth) / ((float)numTicks - 1);
while (numTicks > 0)
{
//draw the nth tick
float y = bounds.Y + ((float)(numTicks - 1)) * inc;
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, (int)Math.Round(y), bounds.Width, lineWidth), Edges.Top, edgeStyle, EdgeEffects.None);
numTicks--;
}
}
public void VisitEdge_edgeWithConstraing_setsStatementAttributeConstraint()
{
var style = new EdgeStyle();
style.Constraining = false;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.EdgeConstraint));
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.DrawEdge"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects) {
if (dc == null) {
throw new ArgumentNullException("dc");
}
if (!ClientUtils.IsEnumValid_Masked(edges, (int)edges,(UInt32)(Edges.Left | Edges.Top | Edges.Right | Edges.Bottom | Edges.Diagonal))) {
throw new InvalidEnumArgumentException("edges", (int)edges, typeof(Edges));
}
if (!ClientUtils.IsEnumValid_NotSequential(style, (int)style, (int)EdgeStyle.Raised,(int)EdgeStyle.Sunken,(int)EdgeStyle.Etched,(int)EdgeStyle.Bump )) {
throw new InvalidEnumArgumentException("style", (int)style, typeof(EdgeStyle));
}
if (!ClientUtils.IsEnumValid_Masked(effects, (int)effects, (UInt32)(EdgeEffects.FillInterior | EdgeEffects.Flat | EdgeEffects.Soft | EdgeEffects.Mono))) {
throw new InvalidEnumArgumentException("effects", (int)effects, typeof(EdgeEffects));
}
NativeMethods.COMRECT rect = new NativeMethods.COMRECT();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.DrawThemeEdge( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( bounds ), (int) style, (int) edges | (int) effects | EdgeAdjust, rect );
}
return Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom);
}
public int UxThemeDrawThemeEdge (IntPtr hTheme, IDeviceContext dc, int iPartId, int iStateId, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects, out Rectangle result)
{
result = Rectangle.Empty;
return (int)S.S_FALSE;
}
protected object AddEdge(string idFrom, string idTo, EdgeStyle edgeStyle)
{
if (_ignoreSidePanelItems && _sidePanel.Lookup(idFrom)) return null;
if (_ignoreSidePanelItems && _sidePanel.Lookup(idTo)) return null;
string key = idFrom + "?" + idTo;
bool edgePresent = _addedEdges.ContainsKey(key);
if (!_options.MultipleEdges && edgePresent) return null;
// Don't add it to the graph yet.
GD.Edge edge = new GD.Edge(idFrom, string.Empty, idTo);
if (edgeStyle == EdgeStyle.NormalArrow)
edge.Attr.ArrowHeadAtTarget = GD.ArrowStyle.Normal;
else
edge.Attr.ArrowHeadAtTarget = GD.ArrowStyle.None;
if (_options.ShowOrphans)
{
// Things are easy if we're showing everything.
if (!edgePresent) _addedEdges.Add(key, new List<object>());
_addedEdges[key].Add(edge);
}
else
{
// Nodes linked to themselves still count as orphans.
if (idFrom != idTo)
{
// Update non orphan list.
if (!_notOrphans.ContainsKey(idFrom)) _notOrphans.Add(idFrom, true);
if (!_notOrphans.ContainsKey(idTo)) _notOrphans.Add(idTo, true);
if (!edgePresent) _addedEdges.Add(key, new List<object>());
_addedEdges[key].Add(edge);
}
else
{
// We still want to show cyclic, as long as their not orphans.
if (_notOrphans.ContainsKey(idFrom) || _notOrphans.ContainsKey(idTo))
{
if (!edgePresent) _addedEdges.Add(key, new List<object>());
_addedEdges[key].Add(edge);
}
}
}
return edge;
}
/// <summary>
/// Add a single edge to the graph.
/// </summary>
/// <param name="start">Node from which edge starts.</param>
/// <param name="end">Node the edge leads to.</param>
/// <param name="label">Label for the edge</param>
/// <param name="style">Style in which to render the label. If null, this will use the style whose name is the same as the label, if any, otherwise the first entry in EdgeStyles.</param>
public void AddEdge(TNodeType start, TNodeType end, string label, EdgeStyle style = null)
{
Graph.AddEdge(start, end, label, style);
}
protected object AddEdge(string idFrom, string idTo, EdgeStyle edgeStyle, Color color)
{
GD.Edge edge = (GD.Edge)AddEdge(idFrom, idTo, edgeStyle);
if (edge == null) return null;
GD.Color gcolor = new GD.Color(color.A, color.R, color.G, color.B);
edge.Attr.Color = gcolor;
return edge;
}
public System.Drawing.Rectangle DrawEdge(System.Drawing.IDeviceContext dc, System.Drawing.Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
}
public static void DrawHorizontalTicks(Graphics g, Rectangle bounds, int numTicks, EdgeStyle edgeStyle)
{
if (!IsSupported)
throw new InvalidOperationException ();
if (bounds.Height <= 0 || bounds.Width <= 0 || numTicks <= 0)
return;
VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.TrackBar.Ticks.Normal);
double x = bounds.Left;
double delta = (double)(bounds.Width - 2) / (double)(numTicks-1);
for(int i = 0; i < numTicks; i++)
{
vsr.DrawEdge(g, new Rectangle((int)Math.Round(x), bounds.Top, 5, bounds.Height), Edges.Left, edgeStyle, EdgeEffects.None);
x += delta;
}
}
public void VisitEdge_edgeWithColor_setsStatementAttributeColor()
{
var style = new EdgeStyle();
style.Color = Color.SkyBlue;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.Color));
}
public void SetUp()
{
mStyle = new EdgeStyle();
mStart = new Node("start", "Start");
mFinish = new Node("finish", "Finish");
}
public Rectangle DrawEdge (IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
throw new ArgumentNullException ("dc");
Rectangle result;
last_hresult = VisualStyles.UxThemeDrawThemeEdge (theme, dc, this.part, this.state, bounds, edges, style, effects, out result);
return result;
}
public static void DrawVerticalTicks(Graphics g, Rectangle bounds, int numTicks, EdgeStyle edgeStyle)
{
if (!IsSupported)
{
throw new InvalidOperationException();
}
if (bounds.Height <= 0 || bounds.Width <= 0 || numTicks <= 0)
{
return;
}
VisualStyleRenderer vsr = new VisualStyleRenderer(VisualStyleElement.TrackBar.TicksVertical.Normal);
double y = bounds.Top;
double delta = (double)(bounds.Height - 2) / (double)(numTicks - 1);
for (int i = 0; i < numTicks; i++)
{
vsr.DrawEdge(g, new Rectangle(bounds.Left, (int)Math.Round(y), bounds.Width, 5), Edges.Top, edgeStyle, EdgeEffects.None);
y += delta;
}
}
[SuppressMessage("Microsoft.Design", "CA1011:ConsiderPassingBaseTypesAsParameters")] // Using Graphics instead of IDeviceContext intentionally
public static void DrawVerticalTicks(Graphics g, Rectangle bounds, int numTicks, EdgeStyle edgeStyle) {
if (numTicks<=0 || bounds.Height <= 0 || bounds.Width<=0 || g == null ) {
return;
}
InitializeRenderer(VisualStyleElement.TrackBar.TicksVertical.Normal, 1);
//trivial case
if (numTicks == 1) {
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, bounds.Y, bounds.Width, lineWidth), Edges.Top, edgeStyle, EdgeEffects.None);
return;
}
float inc = ((float)bounds.Height - lineWidth) / ((float)numTicks - 1);
while (numTicks > 0) {
//draw the nth tick
float y = bounds.Y + ((float)(numTicks - 1)) * inc;
visualStyleRenderer.DrawEdge(g, new Rectangle(bounds.X, (int)Math.Round(y), bounds.Width, lineWidth), Edges.Top, edgeStyle, EdgeEffects.None);
numTicks--;
}
}
private Edge CreateEdge(string start, string finish, EdgeStyle style)
{
var s = new Node(start, start);
var f = new Node(finish, finish);
return new Edge(s, f, style);
}