Barcode implementations also implements BarcodeColor interface

aztec/azteccode.go

@@ -32,6 +32,10 @@ func (c *aztecCode) ColorModel() color.Model {
 	return c.color.Model
 }
 
+func (c *aztecCode) ColorScheme() barcode.ColorScheme {
+	return c.color
+}
+
 func (c *aztecCode) Bounds() image.Rectangle {
 	return image.Rect(0, 0, c.size, c.size)
 }

datamatrix/datamatrixcode.go

@@ -35,6 +35,10 @@ func (c *datamatrixCode) ColorModel() color.Model {
 	return c.color.Model
 }
 
+func (c *datamatrixCode) ColorScheme() barcode.ColorScheme {
+	return c.color
+}
+
 func (c *datamatrixCode) Bounds() image.Rectangle {
 	return image.Rect(0, 0, c.Columns, c.Rows)
 }

pdf417/pdfcode.go

@@ -27,6 +27,10 @@ func (c *pdfBarcode) ColorModel() color.Model {
 	return c.color.Model
 }
 
+func (c *pdfBarcode) ColorScheme() barcode.ColorScheme {
+	return c.color
+}
+
 func (c *pdfBarcode) Bounds() image.Rectangle {
 	height := c.code.Len() / c.width
 

qr/qrcode.go

@@ -28,6 +28,10 @@ func (qr *qrcode) ColorModel() color.Model {
 	return qr.color.Model
 }
 
+func (c *qrcode) ColorScheme() barcode.ColorScheme {
+	return c.color
+}
+
 func (qr *qrcode) Bounds() image.Rectangle {
 	return image.Rect(0, 0, qr.dimension, qr.dimension)
 }

utils/base1dcode.go

@@ -32,6 +32,10 @@ func (c *base1DCode) ColorModel() color.Model {
 	return c.color.Model
 }
 
+func (c *base1DCode) ColorScheme() barcode.ColorScheme {
+	return c.color
+}
+
 func (c *base1DCode) Bounds() image.Rectangle {
 	return image.Rect(0, 0, c.Len(), 1)
 }