private IEnumerable <TRenderObject> drawPolygons(IEnumerable <IPolygon> polygons,
StyleBrush fill, StyleBrush highlightFill, StyleBrush selectFill,
StylePen outline, StylePen highlightOutline, StylePen selectOutline,
RenderState renderState)
{
if (fill == null)
{
throw new ArgumentNullException("fill");
}
if (outline == null)
{
throw new ArgumentNullException("outline");
}
IEnumerable <Path2D> paths = convertToPaths(polygons);
if (highlightFill == null)
{
highlightFill = fill;
}
if (selectFill == null)
{
selectFill = fill;
}
if (highlightOutline == null)
{
highlightOutline = outline;
}
if (selectOutline == null)
{
selectOutline = outline;
}
IEnumerable <TRenderObject> renderedObjects = VectorRenderer.RenderPaths(
paths, fill, highlightFill, selectFill, outline,
highlightOutline, selectOutline, renderState);
return(renderedObjects);
}
private IEnumerable <TRenderObject> drawLineStrings(IEnumerable <ILineString> lines,
StylePen fill, StylePen highlightFill, StylePen selectFill,
StylePen outline, StylePen highlightOutline, StylePen selectOutline,
RenderState renderState)
{
if (fill == null)
{
throw new ArgumentNullException("fill");
}
IEnumerable <Path2D> paths = convertToPaths(lines);
if (highlightFill == null)
{
highlightFill = fill;
}
if (selectFill == null)
{
selectFill = fill;
}
if (highlightOutline == null)
{
highlightOutline = outline;
}
if (selectOutline == null)
{
selectOutline = outline;
}
IEnumerable <TRenderObject> renderedObjects = VectorRenderer.RenderPaths(paths,
fill, highlightFill, selectFill, outline, highlightOutline, selectOutline,
renderState);
foreach (TRenderObject ro in renderedObjects)
{
yield return(ro);
}
}
public virtual IEnumerable <TRenderObject> RenderLabel(Label2D label)
{
Size2D textSize = TextRenderer.MeasureString(label.Text, label.Font);
//Size2D size = new Size2D(textSize.Width + 2*label.CollisionBuffer.Width, textSize.Height + 2*label.CollisionBuffer.Height);
//Rectangle2D layoutRectangle =
// new Rectangle2D(new Point2D(label.Location.X-label.CollisionBuffer.Width, label.Location.Y-label.CollisionBuffer.Height), size);
LabelStyle style = label.Style;
Int32 x = 0, y = 0;
if (style.HorizontalAlignment != HorizontalAlignment.Right || style.VerticalAlignment != VerticalAlignment.Bottom)
{
switch (style.HorizontalAlignment)
{
case HorizontalAlignment.Center:
x -= (Int32)(textSize.Width / 2.0f);
break;
case HorizontalAlignment.Left:
x -= (Int32)textSize.Width;
break;
default:
break;
}
switch (style.VerticalAlignment)
{
case VerticalAlignment.Middle:
y += (Int32)(textSize.Height / 2.0f);
break;
case VerticalAlignment.Top:
y += (Int32)textSize.Height;
break;
default:
break;
}
}
Point2D location = RenderTransform.TransformVector(label.Location.X, label.Location.Y).Add(new Point2D(x, y));
Rectangle2D layoutRectangle = new Rectangle2D(location, textSize);
if (label.Style.Halo != null)
{
StylePen halo = label.Style.Halo;
StyleBrush background = label.Style.Background;
IEnumerable <TRenderObject> haloPath = VectorRenderer.RenderPaths(
generateHaloPath(layoutRectangle), background, background, background,
halo, halo, halo, RenderState.Normal);
foreach (TRenderObject ro in haloPath)
{
yield return(ro);
}
}
IEnumerable <TRenderObject> renderedText = TextRenderer.RenderText(
label.Text, label.Font, layoutRectangle, label.FlowPath, label.Style.Foreground, label.Transform);
foreach (TRenderObject ro in renderedText)
{
yield return(ro);
}
}