1 files changed, 27 insertions, 0 deletions
diff --git a/src/mbgl/annotation/sprite_image.cpp b/src/mbgl/annotation/sprite_image.cpp
new file mode 100644
index 0000000000..9cfe9c9fc8
--- /dev/null
+++ b/src/mbgl/annotation/sprite_image.cpp
@@ -0,0 +1,27 @@
+#include <mbgl/annotation/sprite_image.hpp>
+
+#include <mbgl/util/exception.hpp>
+
+#include <cmath>
+
+namespace mbgl {
+
+SpriteImage::SpriteImage(const uint16_t width_,
+                         const uint16_t height_,
+                         const float ratio_,
+                         std::string&& data_)
+    : width(width_),
+      height(height_),
+      ratio(ratio_),
+      pixelWidth(std::ceil(width * ratio)),
+      pixelHeight(std::ceil(height * ratio)),
+      data(std::move(data_)) {
+    const size_t size = pixelWidth * pixelHeight * 4;
+    if (size == 0) {
+        throw util::SpriteImageException("Sprite image dimensions may not be zero");
+    } else if (size != data.size()) {
+        throw util::SpriteImageException("Sprite image pixel count mismatch");
+    }
+}
+
+} // namespace mbgl