public static void DrawAdorner(DrawingContext drawingContext, Point anchorPoint, EdgeFlags edgeFlags, Matrix matrix, Brush brush)
{
Vector transformedXAxis = new Vector(1.0, 0.0) * matrix;
Vector transformedYAxis = new Vector(0.0, 1.0) * matrix;
transformedXAxis.Normalize();
transformedYAxis.Normalize();
System.Windows.Media.Geometry geometry;
Transform transform;
if (Math.Abs(transformedXAxis * transformedYAxis) < 0.01)
{
if (!RotateAdornerHelper.sharedGeometries.TryGetValue(edgeFlags, out geometry))
{
geometry = RotateAdornerHelper.GetGeometry(edgeFlags, new Vector(1.0, 0.0), new Vector(0.0, 1.0), false);
RotateAdornerHelper.sharedGeometries.Add(edgeFlags, geometry);
}
transform = (Transform) new MatrixTransform(transformedXAxis.X, transformedXAxis.Y, transformedYAxis.X, transformedYAxis.Y, anchorPoint.X, anchorPoint.Y);
}
else
{
bool isFlipped = matrix.Determinant < 0.0;
geometry = RotateAdornerHelper.GetGeometry(edgeFlags, transformedXAxis, transformedYAxis, isFlipped);
transform = (Transform) new TranslateTransform(anchorPoint.X, anchorPoint.Y);
}
transform.Freeze();
drawingContext.PushTransform(transform);
drawingContext.DrawGeometry(brush, (Pen)null, geometry);
drawingContext.Pop();
}
public static void DrawAdorner(DrawingContext drawingContext, Point anchorPoint, EdgeFlags edgeFlags, Matrix matrix, Brush brush, Rect bounds)
{
Size ofTransformedRect = Adorner.GetSizeOfTransformedRect(bounds, matrix);
if ((edgeFlags == EdgeFlags.Top || edgeFlags == EdgeFlags.Bottom) && (ofTransformedRect.Width < RotateAdornerHelper.Radius * 2.0 || ofTransformedRect.Height < SizeAdorner.Size) || (edgeFlags == EdgeFlags.Left || edgeFlags == EdgeFlags.Right) && (ofTransformedRect.Height < RotateAdornerHelper.Radius * 2.0 || ofTransformedRect.Width < SizeAdorner.Size) || (edgeFlags == EdgeFlags.TopLeft || edgeFlags == EdgeFlags.TopRight || (edgeFlags == EdgeFlags.BottomLeft || edgeFlags == EdgeFlags.BottomRight)) && (ofTransformedRect.Width < SizeAdorner.Size && ofTransformedRect.Height < SizeAdorner.Size))
{
return;
}
RotateAdornerHelper.DrawAdorner(drawingContext, anchorPoint, edgeFlags, matrix, brush);
}
public override void Draw(DrawingContext ctx, Matrix matrix)
{
if (!this.ShouldDraw || PlatformTypes.IsInstance(this.PlatformBrush, PlatformTypes.LinearGradientBrush, (ITypeResolver)this.Element.ProjectContext) && this.AdornerSet.Behavior.Tool is GradientBrushTool)
{
return;
}
Rect brushBounds = this.BrushBounds;
if (brushBounds.Width > 0.0 && brushBounds.Height > 0.0)
{
Point anchorPoint = this.GetAnchorPoint(matrix);
Matrix matrix1 = this.GetCompleteBrushTransformMatrix(true) * matrix;
RotateAdornerHelper.DrawAdorner(ctx, anchorPoint, this.EdgeFlags, matrix1, (Brush)Brushes.Transparent);
}
else
{
if (brushBounds.Width <= 0.0 && brushBounds.Height <= 0.0 || this.EdgeFlags != EdgeFlags.TopLeft && this.EdgeFlags != EdgeFlags.BottomRight)
{
return;
}
Point anchorPoint = this.GetAnchorPoint(matrix);
ctx.DrawEllipse((Brush)Brushes.Transparent, (Pen)null, anchorPoint, RotateAdornerHelper.Radius, RotateAdornerHelper.Radius);
}
}
