[core, node] Implement setPaintProperty for color properties (#5380)

1 files changed, 20 insertions, 0 deletions

diff --git a/src/mbgl/util/color.cpp b/src/mbgl/util/color.cpp
new file mode 100644
index 0000000000..eea897d3ab
--- /dev/null
+++ b/src/mbgl/util/color.cpp
@@ -0,0 +1,20 @@
+#include <mbgl/util/color.hpp>
+
+#include <csscolorparser/csscolorparser.hpp>
+
+namespace mbgl {
+
+optional<Color> Color::parse(const std::string& s) {
+    CSSColorParser::Color css_color = CSSColorParser::parse(s);
+
+    // Premultiply the color.
+    const float factor = css_color.a / 255;
+    return {{
+        css_color.r * factor,
+        css_color.g * factor,
+        css_color.b * factor,
+        css_color.a
+    }};
+}
+
+} // namespace mbgl