[core] Split style image collection from SpriteAtlas

1 files changed, 22 insertions, 0 deletions

diff --git a/src/mbgl/style/image_impl.cpp b/src/mbgl/style/image_impl.cpp
new file mode 100644
index 0000000000..910bffa905
--- /dev/null
+++ b/src/mbgl/style/image_impl.cpp
@@ -0,0 +1,22 @@
+#include <mbgl/style/image_impl.hpp>
+#include <mbgl/util/exception.hpp>
+
+namespace mbgl {
+namespace style {
+
+Image::Impl::Impl(PremultipliedImage&& image_,
+             const float pixelRatio_,
+             bool sdf_)
+        : image(std::move(image_)),
+          pixelRatio(pixelRatio_),
+          sdf(sdf_) {
+
+    if (!image.valid()) {
+        throw util::SpriteImageException("Sprite image dimensions may not be zero");
+    } else if (pixelRatio <= 0) {
+        throw util::SpriteImageException("Sprite pixelRatio may not be <= 0");
+    }
+}
+
+} // namespace style
+} // namespace mbgl