Add ImageType type

src/types/image_type.rs

@@ -0,0 +1,47 @@
+use crate::bindings;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u32)]
+pub enum ImageType {
+    Undefined            = bindings::ImageType_UndefinedType,
+    Bilevel              = bindings::ImageType_BilevelType,
+    Grayscale            = bindings::ImageType_GrayscaleType,
+    GrayscaleAlpha       = bindings::ImageType_GrayscaleAlphaType,
+    Palette              = bindings::ImageType_PaletteType,
+    PaletteAlpha         = bindings::ImageType_PaletteAlphaType,
+    TrueColor            = bindings::ImageType_TrueColorType,
+    TrueColorAlpha       = bindings::ImageType_TrueColorAlphaType,
+    ColorSeparation      = bindings::ImageType_ColorSeparationType,
+    ColorSeparationAlpha = bindings::ImageType_ColorSeparationAlphaType,
+    Optimize             = bindings::ImageType_OptimizeType,
+    PaletteBilevelAlpha  = bindings::ImageType_PaletteBilevelAlphaType,
+}
+
+impl Default for ImageType {
+    fn default() -> Self {
+        return ImageType::Undefined;
+    }
+}
+
+impl From<ImageType> for bindings::ImageType {
+    fn from(value: ImageType) -> Self {
+        return value as bindings::ImageType;
+    }
+}
+
+impl From<bindings::ImageType> for ImageType {
+    fn from(value: bindings::ImageType) -> Self {
+        /*
+         * SAFETY:
+         *
+         * `ImageType` has the same repr as `bindings::ImageType` - u32
+         *
+         * If `value` is less than SouthEast than it is in the vaild range and can be safely
+         * reinterpreted as `ImageType`
+         */
+        if value <= bindings::ImageType_PaletteBilevelAlphaType {
+            return unsafe { std::mem::transmute(value) };
+        }
+        return ImageType::default();
+    }
+}

src/types/mod.rs

@@ -7,6 +7,7 @@ mod dither_method;
 mod endian_type;
 mod filter_type;
 mod gravity_type;
+mod image_type;
 mod interlace_type;
 mod metric_type;
 mod orientation_type;
@@ -24,6 +25,7 @@ pub use self::dither_method::DitherMethod;
 pub use self::endian_type::EndianType;
 pub use self::filter_type::FilterType;
 pub use self::gravity_type::GravityType;
+pub use self::image_type::ImageType;
 pub use self::interlace_type::InterlaceType;
 pub use self::metric_type::MetricType;
 pub use self::orientation_type::OrientationType;

src/wand/magick.rs

@@ -40,6 +40,7 @@ use crate::{
     EndianType,
     FilterType,
     GravityType,
+    ImageType,
     InterlaceType,
     MetricType,
     OrientationType,
@@ -1195,14 +1196,14 @@ impl MagickWand {
         get_image_orientation,           set_image_orientation,           MagickGetImageOrientation,         MagickSetImageOrientation,        OrientationType
         get_image_rendering_intent,      set_image_rendering_intent,      MagickGetImageRenderingIntent,     MagickSetImageRenderingIntent,    RenderingIntent
         get_image_scene,                 set_image_scene,                 MagickGetImageScene,               MagickSetImageScene,              usize
-        get_image_type,                  set_image_type,                  MagickGetImageType,                MagickSetImageType,               bindings::ImageType
+        get_image_type,                  set_image_type,                  MagickGetImageType,                MagickSetImageType,               ImageType
         get_image_units,                 set_image_units,                 MagickGetImageUnits,               MagickSetImageUnits,              ResolutionType
         get_interlace_scheme,            set_interlace_scheme,            MagickGetInterlaceScheme,          MagickSetInterlaceScheme,         InterlaceType
         get_interpolate_method,          set_interpolate_method,          MagickGetInterpolateMethod,        MagickSetInterpolateMethod,       PixelInterpolateMethod
         get_iterator_index,              set_iterator_index,              MagickGetIteratorIndex,            MagickSetIteratorIndex,           isize
         get_orientation,                 set_orientation,                 MagickGetOrientation,              MagickSetOrientation,             OrientationType
         get_pointsize,                   set_pointsize,                   MagickGetPointsize,                MagickSetPointsize,               f64
-        get_type,                        set_type,                        MagickGetType,                     MagickSetType,                    bindings::ImageType
+        get_type,                        set_type,                        MagickGetType,                     MagickSetType,                    ImageType
     );
 }