Add animationDelay, animationIterrations, avarage, clone and display.

2 files changed, 75 insertions, 7 deletions

diff --git a/dmagick/Array.d b/dmagick/Array.d
index b80902b..cb538d6 100644
--- a/dmagick/Array.d
+++ b/dmagick/Array.d
@@ -8,6 +8,8 @@
 
 module dmagick.Array;
 
+import core.time;
+
 import dmagick.Exception;
 import dmagick.Geometry;
 import dmagick.Image;
@@ -15,7 +17,73 @@ import dmagick.Options;
 
 import dmagick.c.blob;
 import dmagick.c.constitute;
+import dmagick.c.display;
 import dmagick.c.image : MagickCoreImage = Image;
+import dmagick.c.statistic;
+
+/**
+ * Set the animationDelay for all images in the array.
+ */
+void animationDelay(Image[] images, Duration delay)
+{
+	size_t ticks = delay.total!"seconds"() * images[0].imageRef.ticks_per_second;
+
+	foreach ( image; images )
+	{
+		image.imageRef.delay = ticks;
+	}
+}
+
+/**
+ * Number of iterations to loop an animation.
+ */
+void animationIterations(Image[] images, size_t iterations)
+{
+	images[0].animationIterations = iterations;
+}
+
+/**
+ * Averages all the images together. Each image in the image must have
+ * the same width and height.
+ */
+Image average(Image[] images)
+{
+	linkImages(images);
+	scope(exit) unlinkImages(images);
+
+	MagickCoreImage* image =
+		EvaluateImages(images[0].imageRef, MagickEvaluateOperator.MeanEvaluateOperator, DMagickExceptionInfo());
+
+	return new Image(image);
+}
+
+/**
+ * Clone every image in the array.
+ */
+Image[] clone(const(Image)[] images)
+{
+	Image[] newImages = new Image[images.length];
+
+	foreach ( i, image; images )
+	{
+		newImages[i] = image.clone();
+	}
+
+	return newImages;
+}
+
+/**
+ * Repeatedly displays an image sequence to a X window screen.
+ */
+void display(Image[] images)
+{
+	linkImages(images);
+	scope(exit) unlinkImages(images);
+
+	DisplayImages(images[0].options.imageInfo, images[0].imageRef);
+
+	DMagickException.throwException(&(images[0].imageRef.exception));
+}
 
 /**
  * Read a multi frame Image by reading from the file or
diff --git a/dmagick/Image.d b/dmagick/Image.d
index c191a2b..f449011 100644
--- a/dmagick/Image.d
+++ b/dmagick/Image.d
@@ -12,6 +12,7 @@ import std.string;
 import std.typecons : Tuple;
 import core.memory;
 import core.runtime;
+import core.time;
 import core.stdc.string;
 import core.sys.posix.sys.types;
 
@@ -3076,18 +3077,17 @@ class Image
 	}
 
 	/**
-	 * Number of ticks which must expire before displaying the
-	 * next image in an animated sequence. The default number
-	 * of ticks is 0. By default there are 100 ticks per second.
+	 * Number time which must expire before displaying the
+	 * next image in an animated sequence.
 	 */
-	void animationDelay(ushort delay)
+	void animationDelay(Duration delay)
 	{
-		imageRef.delay = delay;
+		imageRef.delay = delay.total!"seconds"() * imageRef.ticks_per_second;
 	}
 	///ditto
-	ushort annimationDelay() const
+	Duration annimationDelay() const
 	{
-		return cast(ushort)imageRef.delay;
+		return dur!"seconds"(imageRef.delay * imageRef.ticks_per_second);
 	}
 
 	/**