[core][ios][osx][android] fix icons with non-integer width/height

ref #3031
ref #2198

For example, an icon that has:
- a pixel width of 10
- a pixel ratio of 3
- a scaled with of 3.333
is now supported.

1 files changed, 2 insertions, 2 deletions

diff --git a/platform/osx/src/MGLMapView.mm b/platform/osx/src/MGLMapView.mm
index 302a9e8c44..596b909fa2 100644
--- a/platform/osx/src/MGLMapView.mm
+++ b/platform/osx/src/MGLMapView.mm
@@ -1590,8 +1590,8 @@ public:
     
     // Get the image’s raw pixel data as an RGBA buffer.
     std::string pixelString((const char *)rep.bitmapData, rep.pixelsWide * rep.pixelsHigh * 4 /* RGBA */);
-    auto cSpriteImage = std::make_shared<mbgl::SpriteImage>((uint16_t)rep.size.width,
-                                                            (uint16_t)rep.size.height,
+    auto cSpriteImage = std::make_shared<mbgl::SpriteImage>((uint16_t)rep.pixelsWide,
+                                                            (uint16_t)rep.pixelsHigh,
                                                             (float)(rep.pixelsWide / size.width),
                                                             std::move(pixelString));
     NSString *symbolName = [MGLAnnotationSpritePrefix stringByAppendingString:annotationImage.reuseIdentifier];