[core] Rationalize style property classes: <type>{Paint,Layout}Properties

include/mbgl/style/style_properties.hpp

@@ -13,8 +13,8 @@
 
 namespace mbgl {
 
-struct FillProperties {
-    FillProperties() {}
+class FillPaintProperties {
+public:
     bool antialias = true;
     float opacity = 1.0f;
     Color fill_color = {{ 0, 0, 0, 1 }};
@@ -28,8 +28,12 @@ struct FillProperties {
     }
 };
 
-struct LineProperties {
-    inline LineProperties() {}
+class FillLayoutProperties {
+public:
+};
+
+class LinePaintProperties {
+public:
     float opacity = 1.0f;
     Color color = {{ 0, 0, 0, 1 }};
     std::array<float, 2> translate = {{ 0, 0 }};
@@ -46,23 +50,16 @@ struct LineProperties {
     }
 };
 
-struct CircleProperties {
-    inline CircleProperties() {}
-    float radius = 5.0f;
-    Color color = {{ 0, 0, 0, 1 }};
-    float opacity = 1.0f;
-    std::array<float, 2> translate = {{ 0, 0 }};
-    TranslateAnchorType translateAnchor = TranslateAnchorType::Map;
-    float blur = 0;
-
-    inline bool isVisible() const {
-        return radius > 0 && color[3] > 0 && opacity > 0;
-    }
+class LineLayoutProperties {
+public:
+    CapType cap = CapType::Butt;
+    JoinType join = JoinType::Miter;
+    float miter_limit = 2.0f;
+    float round_limit = 1.0f;
 };
 
-struct SymbolProperties {
-    inline SymbolProperties() {}
-
+class SymbolPaintProperties {
+public:
     struct {
         float opacity = 1.0f;
         float size = 1.0f;
@@ -91,8 +88,66 @@ struct SymbolProperties {
     }
 };
 
-struct RasterProperties {
-    inline RasterProperties() {}
+class SymbolLayoutProperties {
+public:
+    PlacementType placement = PlacementType::Point;
+    float spacing = 250.0f;
+    bool avoid_edges = false;
+
+    struct {
+        bool allow_overlap = false;
+        bool ignore_placement = false;
+        bool optional = false;
+        RotationAlignmentType rotation_alignment = RotationAlignmentType::Viewport;
+        float size = 1.0f;
+        float max_size = 1.0f;
+        std::string image;
+        float rotate = 0.0f;
+        float padding = 2.0f;
+        bool keep_upright = false;
+        std::array<float, 2> offset = {{ 0, 0 }};
+    } icon;
+
+    struct {
+        RotationAlignmentType rotation_alignment = RotationAlignmentType::Viewport;
+        std::string field;
+        std::string font = "Open Sans Regular, Arial Unicode MS Regular";
+        float size = 16.0f;
+        float max_size = 16.0f;
+        float max_width = 15.0f /* em */;
+        float line_height = 1.2f /* em */;
+        float letter_spacing = 0.0f /* em */;
+        TextJustifyType justify = TextJustifyType::Center;
+        TextAnchorType anchor = TextAnchorType::Center;
+        float max_angle = 45.0f /* degrees */;
+        float rotate = 0.0f;
+        float padding = 2.0f;
+        bool keep_upright = true;
+        TextTransformType transform = TextTransformType::None;
+        std::array<float, 2> offset = {{ 0, 0 }};
+        bool allow_overlap = false;
+        bool ignore_placement = false;
+        bool optional = false;
+    } text;
+};
+
+
+class CirclePaintProperties {
+public:
+    float radius = 5.0f;
+    Color color = {{ 0, 0, 0, 1 }};
+    float opacity = 1.0f;
+    std::array<float, 2> translate = {{ 0, 0 }};
+    TranslateAnchorType translateAnchor = TranslateAnchorType::Map;
+    float blur = 0;
+
+    inline bool isVisible() const {
+        return radius > 0 && color[3] > 0 && opacity > 0;
+    }
+};
+
+class RasterPaintProperties {
+public:
     float opacity = 1.0f;
     float hue_rotate = 0.0f;
     std::array<float, 2> brightness = {{ 0, 1 }};
@@ -105,26 +160,31 @@ struct RasterProperties {
     }
 };
 
-struct BackgroundProperties {
-    inline BackgroundProperties() {}
+class RasterLayoutProperties {
+public:
+};
+
+class BackgroundPaintProperties {
+public:
     float opacity = 1.0f;
     Color color = {{ 0, 0, 0, 1 }};
     Faded<std::string> image;
 };
 
+class BackgroundLayoutProperties {
+public:
+};
+
 typedef mapbox::util::variant<
-    FillProperties,
-    LineProperties,
-    CircleProperties,
-    SymbolProperties,
-    RasterProperties,
-    BackgroundProperties,
+    FillPaintProperties,
+    LinePaintProperties,
+    CirclePaintProperties,
+    SymbolPaintProperties,
+    RasterPaintProperties,
+    BackgroundPaintProperties,
     std::false_type
 > StyleProperties;
 
-template <typename T>
-const T &defaultStyleProperties();
-
 }
 
 #endif