+extern "C" CGColorSpaceRef CGContextGetFillColorSpace(CGContextRef);
+extern "C" void CGContextGetFillColor(CGContextRef, CGFloat[]);
+
+static NSString *WBColorMarkup() {
+ CGContextRef context(UIGraphicsGetCurrentContext());
+ //NSLog(@"XXX:1:%p", context);
+ if (context == NULL)
+ return @"";
+
+ CGColorSpaceRef space(CGContextGetFillColorSpace(context));
+ //NSLog(@"XXX:2:%p", space);
+ if (space == NULL)
+ return @"";
+
+ size_t number(CGColorSpaceGetNumberOfComponents(space));
+ //NSLog(@"XXX:3:%u", number);
+ if (number == 0)
+ return @"";
+
+ CGFloat components[number + 1];
+ CGContextGetFillColor(context, components);
+
+ CGFloat r, g, b, a;
+
+ switch (number) {
+ case 1:
+ r = components[0];
+ g = components[0];
+ b = components[0];
+ a = components[1];
+ break;
+
+ case 3:
+ r = components[0];
+ g = components[1];
+ b = components[2];
+ a = components[3];
+ break;
+
+ default:
+ return @"";
+ }
+
+ return [NSString stringWithFormat:@"color: rgba(%g, %g, %g, %g)", r * 255, g * 255, b * 255, a];
+}
+