diff --git a/FontAtlasProsessor.go b/FontAtlasProsessor.go
index d009d160..986de6bd 100644
--- a/FontAtlasProsessor.go
+++ b/FontAtlasProsessor.go
@@ -14,6 +14,7 @@ import (
 const (
 	preRegisterString = " \"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"
 	windows           = "windows"
+	defaultFontSize   = 14
 )
 
 // FontInfo represents a giu implementation of imgui font.
diff --git a/Plot.go b/Plot.go
index 125eebc1..388047b0 100644
--- a/Plot.go
+++ b/Plot.go
@@ -392,8 +392,8 @@ func (p *PlotPieChartWidget) Normalize(n bool) *PlotPieChartWidget {
 }
 
 // LabelFormat sets format of labels.
-func (p *PlotPieChartWidget) LabelFormat(fmContext.FontAtlas.RegisterString string) *PlotPieChartWidget {
-	p.labelFormat = fmContext.FontAtlas.RegisterString
+func (p *PlotPieChartWidget) LabelFormat(fmtStr string) *PlotPieChartWidget {
+	p.labelFormat = fmtStr
 	return p
 }
 
diff --git a/TextWidgets.go b/TextWidgets.go
index c893d804..dc6ee2a2 100644
--- a/TextWidgets.go
+++ b/TextWidgets.go
@@ -73,7 +73,7 @@ func (i *InputTextMultilineWidget) Size(width, height float32) *InputTextMultili
 func (i *InputTextMultilineWidget) Build() {
 	if imgui.InputTextMultilineV(
 		Context.FontAtlas.RegisterString(i.label),
-		Context.FontAtlas.RegisterStringPtr(i.text),
+		Context.FontAtlas.RegisterStringPointer(i.text),
 		imgui.Vec2{
 			X: i.width,
 			Y: i.height,
@@ -229,7 +229,7 @@ func (i *InputTextWidget) Build() {
 		defer PopItemWidth()
 	}
 
-	isChanged := imgui.InputTextWithHint(i.label, i.hint, Context.FontAtlas.RegisterStringPtr(i.value), int(i.flags), i.cb)
+	isChanged := imgui.InputTextWithHint(i.label, i.hint, Context.FontAtlas.RegisterStringPointer(i.value), int(i.flags), i.cb)
 
 	if isChanged && i.onChange != nil {
 		i.onChange()