/// <summary>
/// Initialize paint settings. This is initialized after the base shape
/// has been painted.
/// </summary>
public PaintHelper(DiagramPaintEventArgs e, ExternalConstraintShape constraintShape)
{
StyleSet styleSet = constraintShape.StyleSet;
StyleSetResourceId penId = constraintShape.OutlinePenId;
Pen pen = styleSet.GetPen(penId);
Brush brush = styleSet.GetBrush(ExternalConstraintBrush);
SolidBrush coloredBrush = brush as SolidBrush;
// Keep the pen color in sync with the color being used for highlighting
Color startColor = constraintShape.UpdateDynamicColor(constraintShape.OutlinePenId, pen);
if (startColor.IsEmpty)
{
startColor = constraintShape.UpdateGeometryLuminosity(e.View, pen);
}
else
{
constraintShape.UpdateGeometryLuminosity(e.View, pen);
}
myPenStartColor = startColor;
Color newColor = pen.Color;
if (coloredBrush != null)
{
myBrushStartColor = coloredBrush.Color;
coloredBrush.Color = newColor;
}
else
{
myBrushStartColor = Color.Empty;
}
myBrush = brush;
myPen = pen;
}
private void AdjustForFillColor()
{
dynamic brush = StyleSet.GetBrush(DiagramBrushes.ShapeBackground);
// If the shape is very dark, we make the title text white, and viceversa.
StyleSet.OverrideBrushColor(DiagramBrushes.ShapeText, CachedFillColorAppearance((Color)brush.Color).TextColor);
// We draw a thin outline of a sligtly different color to improve distinguishability when shape color looks like background (and because it looks good).
StyleSet.OverridePenColor(OutlinePenId, CachedFillColorAppearance((Color)brush.Color).OutlineColor);
// We shouldn't need to do this again unless the user changes the color for this shape.
_isAdjustedForFillColor = true;
}
/// <summary>
/// Add error brushes to the styleSet
/// </summary>
protected override void InitializeResources(StyleSet classStyleSet)
{
base.InitializeResources(classStyleSet);
IORMFontAndColorService colorService = (Store as IORMToolServices).FontAndColorService;
BrushSettings brushSettings = new BrushSettings();
//UNDONE: This color isn't permanent. probably want a better color for the errors.
brushSettings.ForeColor = Color.LightPink;
//brushSettings.ForeColor = colorService.GetForeColor(ORMDesignerColor.ConstraintError);
brushSettings.HatchStyle = HatchStyle.LightDownwardDiagonal;
brushSettings.BrushType = typeof(HatchBrush);
classStyleSet.AddBrush(ORMDiagram.ErrorBackgroundResource, DiagramBrushes.DiagramBackground, brushSettings);
brushSettings.ForeColor = ORMDiagram.ModifyLuminosity(brushSettings.ForeColor);
brushSettings.BackColor = ORMDiagram.ModifyLuminosity(((SolidBrush)classStyleSet.GetBrush(DiagramBrushes.DiagramBackground)).Color);
classStyleSet.AddBrush(ORMDiagram.HighlightedErrorBackgroundResource, DiagramBrushes.DiagramBackground, brushSettings);
BrushSettings transBrush = new BrushSettings();
transBrush.ForeColor = Color.Transparent;
classStyleSet.AddBrush(ORMDiagram.TransparentBrushResource, DiagramBrushes.DiagramBackground, transBrush);
}
/// <summary>
/// Replacement for <see cref="ShapeField.GetBackgroundBrush"/> that recognizes
/// <see cref="IDynamicColorGeometryHost"/>
/// </summary>
public override Brush GetBackgroundBrush(DiagramClientView view, ShapeElement parentShape, ref Color oldColor)
{
StyleSet styleSet = (parentShape != null) ? parentShape.StyleSet : null;
Brush brush = null;
SolidBrush solidBrush = null;;
Color restoreColor = Color.Empty;
if (styleSet != null)
{
StyleSetResourceId brushId = GetBackgroundBrushId(view, parentShape);
brush = styleSet.GetBrush(brushId);
IDynamicColorGeometryHost dynamicColors = parentShape as IDynamicColorGeometryHost;
if (dynamicColors == null ||
(restoreColor = dynamicColors.UpdateDynamicColor(brushId, brush)).IsEmpty)
{
if (view != null)
{
restoreColor = parentShape.UpdateGeometryLuminosity(view, brush);
}
}
else if (view != null)
{
parentShape.UpdateGeometryLuminosity(view, brush);
}
}
if (restoreColor.IsEmpty)
{
if ((solidBrush ?? (solidBrush = brush as SolidBrush)) != null)
{
restoreColor = solidBrush.Color;
}
}
if (!restoreColor.IsEmpty)
{
oldColor = restoreColor;
}
return(brush);
}
/// <summary>
/// Copy of <see cref="TextField.DoPaint"/> modified to support the
/// <see cref="IDynamicColorGeometryHost"/> on the parent shape.
/// </summary>
public override void DoPaint(DiagramPaintEventArgs e, ShapeElement parentShape)
{
DiagramClientView clientView = e.View;
if (!HasPendingEdit(parentShape, clientView))
{
if (GetVisible(parentShape))
{
string text = GetDisplayText(parentShape);
StyleSet styleSet = parentShape.StyleSet;
Graphics g = e.Graphics;
RectangleF clip = g.ClipBounds;
clip.Inflate(InflateFocus, InflateFocus);
clip.Height -= InflateFocus;
g.SetClip(clip);
RectangleD shapeBounds = GetBounds(parentShape);
RectangleF shapeRect = RectangleD.ToRectangleF(shapeBounds);
Matrix startTransform = null;
if (!DefaultIsHorizontal)
{
PointF point = PointD.ToPointF(shapeBounds.Center);
startTransform = g.Transform;
Matrix verticalTransform = g.Transform;
verticalTransform.RotateAt(-90f, point);
verticalTransform.Translate(0f, (-point.X / 2f) - shapeRect.X);
g.Transform = verticalTransform;
}
if (parentShape.ClipWhenDrawingFields)
{
RectangleD parentBounds = parentShape.BoundingBox;
shapeRect.Intersect(new RectangleF(0f, 0f, (float)parentBounds.Width, (float)parentBounds.Height));
}
if (FillBackground)
{
Color startColor = Color.White;
Brush brush = GetBackgroundBrush(clientView, parentShape, ref startColor);
g.FillRectangle(brush, shapeRect);
SolidBrush solidBrush = brush as SolidBrush;
if (solidBrush != null)
{
solidBrush.Color = startColor;
}
}
if (DrawBorder)
{
Color oldColor = Color.White;
Pen pen = GetPen(clientView, parentShape, ref oldColor);
GeometryUtility.SafeDrawRectangle(g, pen, shapeRect.X, shapeRect.Y, shapeRect.Width, shapeRect.Height);
pen.Color = oldColor;
}
if (text.Length > 0x0)
{
using (Font font = GetFont(parentShape))
{
// Note that this ignores the base GetTextBrush, which is trivial
// and has no overrides. Note that we follow the convention used with
// the base and do not update luminosity on the text.
StyleSetResourceId textBrushId = GetTextBrushId(clientView, parentShape);
Brush textBrush = styleSet.GetBrush(textBrushId);
Color restoreTextColor = Color.Empty;
IDynamicColorGeometryHost dynamicColors = parentShape as IDynamicColorGeometryHost;
if (dynamicColors != null)
{
restoreTextColor = dynamicColors.UpdateDynamicColor(textBrushId, textBrush);
}
g.DrawString(text, font, textBrush, shapeRect, GetStringFormat(parentShape));
SolidBrush solidTextBrush;
if (!restoreTextColor.IsEmpty &&
null != (solidTextBrush = textBrush as SolidBrush))
{
solidTextBrush.Color = restoreTextColor;
}
}
}
if (HasFocusedAppearance(parentShape, clientView))
{
// Note that the base makes a copy of shapeRect and
// assymetrically modifies the focus rectangle. I don't
// think this adds anything and gives focus floating shapes a
// focus rectangle that arbitrarily overlaps nearby shapes.
//RectangleF focusRect = shapeRect;
//focusRect.Inflate(0f, InflateFocus);
//focusRect.Height -= InflateFocus;
//GeometryUtility.SafeDrawRectangle(g, styleSet.GetPen(DiagramPens.FocusIndicatorBackground), focusRect.X, focusRect.Y, focusRect.Width, focusRect.Height);
//GeometryUtility.SafeDrawRectangle(g, styleSet.GetPen(DiagramPens.FocusIndicator), focusRect.X, focusRect.Y, focusRect.Width, focusRect.Height);
// UNDONE: The bottom line is drawing clipped. The original code has the same problem
// with both the top and bottom lines. This appears to be an issue with the Center
// alignment on the default focus indicator pens.
shapeRect.Inflate(0f, TextFocusTopPadding);
shapeRect.Height -= TextFocusTopPadding - TextFocusBottomPadding;
GeometryUtility.SafeDrawRectangle(g, styleSet.GetPen(DiagramPens.FocusIndicatorBackground), shapeRect.X, shapeRect.Y, shapeRect.Width, shapeRect.Height);
GeometryUtility.SafeDrawRectangle(g, styleSet.GetPen(DiagramPens.FocusIndicator), shapeRect.X, shapeRect.Y, shapeRect.Width, shapeRect.Height);
}
if (startTransform != null)
{
g.Transform = startTransform;
}
}
}
}
/// <summary>
/// Add error brushes to the styleSet
/// </summary>
protected override void InitializeResources(StyleSet classStyleSet)
{
base.InitializeResources(classStyleSet);
IORMFontAndColorService colorService = (Store as IORMToolServices).FontAndColorService;
BrushSettings brushSettings = new BrushSettings();
//UNDONE: This color isn't permanent. probably want a better color for the errors.
brushSettings.ForeColor = Color.LightPink;
//brushSettings.ForeColor = colorService.GetForeColor(ORMDesignerColor.ConstraintError);
brushSettings.HatchStyle = HatchStyle.LightDownwardDiagonal;
brushSettings.BrushType = typeof(HatchBrush);
classStyleSet.AddBrush(ORMDiagram.ErrorBackgroundResource, DiagramBrushes.DiagramBackground, brushSettings);
brushSettings.ForeColor = ORMDiagram.ModifyLuminosity(brushSettings.ForeColor);
brushSettings.BackColor = ORMDiagram.ModifyLuminosity(((SolidBrush)classStyleSet.GetBrush(DiagramBrushes.DiagramBackground)).Color);
classStyleSet.AddBrush(ORMDiagram.HighlightedErrorBackgroundResource, DiagramBrushes.DiagramBackground, brushSettings);
BrushSettings transBrush = new BrushSettings();
transBrush.ForeColor = Color.Transparent;
classStyleSet.AddBrush(ORMDiagram.TransparentBrushResource, DiagramBrushes.DiagramBackground, transBrush);
}
