Add FillRule type

src/types/fill_rule.rs

@@ -0,0 +1,38 @@
+use crate::bindings;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u32)]
+pub enum FillRule {
+    Undefined = bindings::FillRule_UndefinedRule,
+    EvenOdd   = bindings::FillRule_EvenOddRule,
+    NonZero   = bindings::FillRule_NonZeroRule,
+}
+
+impl Default for FillRule {
+    fn default() -> Self {
+        return FillRule::Undefined;
+    }
+}
+
+impl From<FillRule> for bindings::FillRule {
+    fn from(value: FillRule) -> Self {
+        return value as bindings::FillRule;
+    }
+}
+
+impl From<bindings::FillRule> for FillRule {
+    fn from(value: bindings::FillRule) -> Self {
+        /*
+         * SAFETY:
+         *
+         * `FillRule` has the same repr as `bindings::FillRule` - u32
+         *
+         * If `value` is less than NonZero than it is in the vaild range and can be safely
+         * reinterpreted as `FillRule`
+         */
+        if value <= bindings::FillRule_NonZeroRule {
+            return unsafe { std::mem::transmute(value) };
+        }
+        return FillRule::default();
+    }
+}

src/types/mod.rs

@@ -5,6 +5,7 @@ mod compression_type;
 mod dispose_type;
 mod dither_method;
 mod endian_type;
+mod fill_rule;
 mod filter_type;
 mod gravity_type;
 mod image_type;
@@ -24,6 +25,7 @@ pub use self::compression_type::CompressionType;
 pub use self::dispose_type::DisposeType;
 pub use self::dither_method::DitherMethod;
 pub use self::endian_type::EndianType;
+pub use self::fill_rule::FillRule;
 pub use self::filter_type::FilterType;
 pub use self::gravity_type::GravityType;
 pub use self::image_type::ImageType;

src/wand/drawing.rs

@@ -20,7 +20,10 @@ use bindings;
 
 use crate::result::MagickError;
 use crate::result::Result;
-use crate::GravityType;
+use crate::{
+    FillRule,
+    GravityType,
+};
 
 wand_common!(
     DrawingWand,
@@ -89,9 +92,9 @@ impl DrawingWand {
     set_get_unchecked!(
         get_gravity,                set_gravity,                  DrawGetGravity,               DrawSetGravity,               GravityType
         get_opacity,                set_opacity,                  DrawGetOpacity,               DrawSetOpacity,               f64
-        get_clip_rule,              set_clip_rule,                DrawGetClipRule,              DrawSetClipRule,              bindings::FillRule
+        get_clip_rule,              set_clip_rule,                DrawGetClipRule,              DrawSetClipRule,              FillRule
         get_clip_units,             set_clip_units,               DrawGetClipUnits,             DrawSetClipUnits,             bindings::ClipPathUnits
-        get_fill_rule,              set_fill_rule,                DrawGetFillRule,              DrawSetFillRule,              bindings::FillRule
+        get_fill_rule,              set_fill_rule,                DrawGetFillRule,              DrawSetFillRule,              FillRule
         get_fill_opacity,           set_fill_opacity,             DrawGetFillOpacity,           DrawSetFillOpacity,           f64
 
         get_font_size,              set_font_size,                DrawGetFontSize,              DrawSetFontSize,              f64