adding back default font color for annotations.

annotation_series.go

@@ -27,6 +27,7 @@ func (as AnnotationSeries) GetYAxis() yAxisType {
 
 func (as AnnotationSeries) annotationStyleDefaults(defaults Style) Style {
 	return Style{
+		FontColor:   DefaultTextColor,
 		Font:        defaults.Font,
 		FillColor:   DefaultAnnotationFillColor,
 		FontSize:    DefaultAnnotationFontSize,

draw.go

@@ -165,12 +165,13 @@ func (d draw) MeasureAnnotation(r Renderer, canvasBox Box, style Style, lx, ly i
 
 // Annotation draws an anotation with a renderer.
 func (d draw) Annotation(r Renderer, canvasBox Box, style Style, lx, ly int, label string) {
-	style.WriteToRenderer(r)
-
+	style.GetTextOptions().WriteToRenderer(r)
 	textBox := r.MeasureText(label)
 	textWidth := textBox.Width()
 	halfTextHeight := textBox.Height() >> 1
 
+	style.GetFillAndStrokeOptions().WriteToRenderer(r)
+
 	pt := style.Padding.GetTop(DefaultAnnotationPadding.Top)
 	pl := style.Padding.GetLeft(DefaultAnnotationPadding.Left)
 	pr := style.Padding.GetRight(DefaultAnnotationPadding.Right)
@@ -200,6 +201,7 @@ func (d draw) Annotation(r Renderer, canvasBox Box, style Style, lx, ly int, lab
 	r.Close()
 	r.FillStroke()
 
+	style.GetTextOptions().WriteToRenderer(r)
 	r.Text(label, textX, textY)
 }