Adjusted the example for backgrounds. Nope brushes isn't gonna work; absolute positioning of gradients is a problem.

common/attrlist.c

@@ -296,6 +296,7 @@ static int specsIdentical(struct attr *attr, uiAttributeSpec *spec)
 		// TODO use a closest match?
 		return attr->spec.Double == spec->Double;
 	case uiAttributeColor:
+	case uiAttributeBackground:
 		// TODO use a closest match?
 		return attr->spec.R == spec->R &&
 			attr->spec.G == spec->G &&

examples/drawtext/attributes.c

@@ -76,6 +76,20 @@ static void setupAttributedString(void)
 
 	uiAttributedStringAppendUnattributed(attrstr, ", ");
 
+	next = "multiple backgrounds";
+	start = uiAttributedStringLen(attrstr);
+	end = start + strlen(next);
+	uiAttributedStringAppendUnattributed(attrstr, next);
+	spec.Type = uiAttributeBackground;
+	// Direct2D "Peach Puff" (#FFDAB9)
+	spec.R = 1.0;
+	spec.G = 0.85490196078431372;
+	spec.B = 0.7254901960784313;
+	spec.A = 0.5;
+	uiAttributedStringSetAttribute(attrstr, &spec, start, end);
+
+	uiAttributedStringAppendUnattributed(attrstr, ", ");
+
 	next = "multiple TODO";
 }
 

ui_attrstr.h

@@ -8,6 +8,7 @@ _UI_ENUM(uiAttribute) {
 	uiAttributeItalic,
 	uiAttributeStretch,
 	uiAttributeColor,		// use R, G, B, A
+	uiAttributeBackground,	// use R, G, B, A
 	// TODO
 	// TODO uiAttributeSystem,
 	// TODO uiAttributeCustom,