1 files changed, 116 insertions, 0 deletions
diff --git a/include/mbgl/style/style_properties.hpp b/include/mbgl/style/style_properties.hpp
new file mode 100644
index 0000000000..c7606be254
--- /dev/null
+++ b/include/mbgl/style/style_properties.hpp
@@ -0,0 +1,116 @@
+#ifndef MBGL_STYLE_STYLE_PROPERTIES
+#define MBGL_STYLE_STYLE_PROPERTIES
+
+#include <mbgl/util/variant.hpp>
+#include <mbgl/style/types.hpp>
+#include <mbgl/style/function_properties.hpp>
+
+#include <array>
+#include <string>
+#include <type_traits>
+#include <memory>
+
+namespace mbgl {
+
+struct FillProperties {
+    FillProperties() {}
+    bool antialias = true;
+    float opacity = 1.0f;
+    Color fill_color = {{ 0, 0, 0, 1 }};
+    Color stroke_color = {{ 0, 0, 0, -1 }};
+    std::array<float, 2> translate = {{ 0, 0 }};
+    TranslateAnchorType translateAnchor = TranslateAnchorType::Default;
+    std::string image;
+
+    inline bool isVisible() const {
+        return opacity > 0 && (fill_color[3] > 0 || stroke_color[3] > 0);
+    }
+};
+
+struct LineProperties {
+    inline LineProperties() {}
+    float opacity = 1.0f;
+    Color color = {{ 0, 0, 0, 1 }};
+    std::array<float, 2> translate = {{ 0, 0 }};
+    TranslateAnchorType translateAnchor = TranslateAnchorType::Default;
+    float width = 0;
+    float offset = 0;
+    float blur = 0;
+    std::array<float, 2> dash_array = {{ 1, -1 }};
+    std::string image;
+
+    inline bool isVisible() const {
+        return opacity > 0 && color[3] > 0 && width > 0;
+    }
+};
+
+struct IconProperties {
+    inline IconProperties() {}
+    float opacity = 1.0f;
+    float rotate = 0.0f;
+    RotateAnchorType rotate_anchor = RotateAnchorType::Default;
+
+    inline bool isVisible() const {
+        return opacity > 0;
+    }
+};
+
+struct TextProperties {
+    inline TextProperties() {}
+    float opacity = 1.0f;
+    float size = 12.0f;
+    Color color = {{ 0, 0, 0, 1 }};
+    Color halo_color = {{ 1, 1, 1, 0.75 }};
+    float halo_width = 0.25f;
+    float halo_blur = 1.0f;
+
+    inline bool isVisible() const {
+        return opacity > 0 && (color[3] > 0 || halo_color[3] > 0) && size > 0;
+    }
+};
+
+struct CompositeProperties {
+    inline CompositeProperties() {}
+    float opacity = 1.0f;
+
+    inline bool isVisible() const {
+        return opacity > 0;
+    }
+};
+
+struct RasterProperties {
+    inline RasterProperties() {}
+    float opacity = 1.0f;
+    float spin = 0.0f;
+    std::array<float, 2> brightness = {{ 0, 1 }};
+    float saturation = 0.0f;
+    float contrast = 0.0f;
+    float fade = 0.0f;
+
+    inline bool isVisible() const {
+        return opacity > 0;
+    }
+};
+
+struct BackgroundProperties {
+    inline BackgroundProperties() {}
+    Color color = {{ 1, 1, 1, 1 }};
+};
+
+typedef util::variant<
+    FillProperties,
+    LineProperties,
+    IconProperties,
+    TextProperties,
+    CompositeProperties,
+    RasterProperties,
+    BackgroundProperties,
+    std::false_type
+> StyleProperties;
+
+template <typename T>
+const T &defaultStyleProperties();
+
+}
+
+#endif