[all] Rationalize style::Image

A style has a collection of images, just as it has collections of sources and layers.

* Name things appropriately
* Use std::unique_ptr

1 files changed, 25 insertions, 0 deletions

diff --git a/include/mbgl/style/image.hpp b/include/mbgl/style/image.hpp
new file mode 100644
index 0000000000..499377467e
--- /dev/null
+++ b/include/mbgl/style/image.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <mbgl/util/image.hpp>
+
+namespace mbgl {
+namespace style {
+
+class Image {
+public:
+    Image(PremultipliedImage&&, float pixelRatio, bool sdf = false);
+
+    PremultipliedImage image;
+
+    // Pixel ratio of the sprite image.
+    const float pixelRatio;
+
+    // Whether this image should be interpreted as a signed distance field icon.
+    const bool sdf;
+
+    float getWidth() const { return image.size.width / pixelRatio; }
+    float getHeight() const { return image.size.height / pixelRatio; }
+};
+
+} // namespace style
+} // namespace mbgl