[macos] Assume sRGB for mbgl expressions, CSS in attribution

Assume mbgl needs colors in the sRGB color space rather than the calibrated RGB color space. Fixed link colors when creating attribution from HTML.

1 files changed, 6 insertions, 1 deletions

diff --git a/platform/darwin/src/MGLAttributionInfo.mm b/platform/darwin/src/MGLAttributionInfo.mm
index 73147270c1..07d10e852b 100644
--- a/platform/darwin/src/MGLAttributionInfo.mm
+++ b/platform/darwin/src/MGLAttributionInfo.mm
@@ -49,7 +49,12 @@
         CGFloat blue;
         CGFloat alpha;
 #if !TARGET_OS_IPHONE
-        linkColor = [linkColor colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+        // CSS uses the sRGB color space.
+        if ([NSColor redColor].colorSpaceName == NSCalibratedRGBColorSpace) {
+            linkColor = [linkColor colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+        } else {
+            linkColor = [linkColor colorUsingColorSpace:[NSColorSpace sRGBColorSpace]];
+        }
 #endif
         [linkColor getRed:&red green:&green blue:&blue alpha:&alpha];
         [css appendFormat: