Add set_image_mask function

src/types/mod.rs

@@ -25,6 +25,7 @@ mod magick_function;
 mod metric_type;
 mod orientation_type;
 mod pixel_interpolate_method;
+mod pixel_mask;
 mod rendering_intent;
 mod resolution_type;
 mod resource_type;
@@ -59,6 +60,7 @@ pub use self::magick_function::MagickFunction;
 pub use self::metric_type::MetricType;
 pub use self::orientation_type::OrientationType;
 pub use self::pixel_interpolate_method::PixelInterpolateMethod;
+pub use self::pixel_mask::PixelMask;
 pub use self::rendering_intent::RenderingIntent;
 pub use self::resolution_type::ResolutionType;
 pub use self::resource_type::ResourceType;

src/types/pixel_mask.rs

@@ -0,0 +1,22 @@
+use crate::bindings;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u32)]
+pub enum PixelMask {
+    Undefined = bindings::PixelMask_UndefinedPixelMask,
+    Read      = bindings::PixelMask_ReadPixelMask,
+    Write     = bindings::PixelMask_WritePixelMask,
+    Composite = bindings::PixelMask_CompositePixelMask,
+}
+
+impl Default for PixelMask {
+    fn default() -> Self {
+        return PixelMask::Undefined;
+    }
+}
+
+impl From<PixelMask> for bindings::PixelMask {
+    fn from(value: PixelMask) -> Self {
+        return value as bindings::PixelMask;
+    }
+}

src/wand/magick.rs

@@ -51,6 +51,7 @@ use crate::{
     MorphologyMethod,
     OrientationType,
     PixelInterpolateMethod,
+    PixelMask,
     RenderingIntent,
     ResolutionType,
     ResourceType,
@@ -1239,6 +1240,27 @@ impl MagickWand {
         }
     }
 
+    /// Sets image clip mask.
+    ///
+    /// * `pixel_mask`: type of mask, Read or Write.
+    /// * `clip_mask`: the clip_mask wand.
+    pub fn set_image_mask(
+        &mut self,
+        pixel_mask: PixelMask,
+        clip_mask: &MagickWand
+    ) -> Result<()> {
+        match unsafe {
+            bindings::MagickSetImageMask(
+                self.wand,
+                pixel_mask.into(),
+                clip_mask.wand
+            )
+        } {
+            MagickTrue => Ok(()),
+            _ => Err(MagickError("failed to set image mask")),
+        }
+    }
+
     /// Set image channel mask
     pub fn set_image_channel_mask(
         &mut self,