1 files changed, 33 insertions, 0 deletions
diff --git a/dmagick/c/histogram.d b/dmagick/c/histogram.d
new file mode 100644
index 0000000..2341186
--- /dev/null
+++ b/dmagick/c/histogram.d
@@ -0,0 +1,33 @@
+module dmagick.c.histogram;
+
+import core.stdc.stdio;
+
+import dmagick.c.exception;
+import dmagick.c.image;
+import dmagick.c.magickType;
+import dmagick.c.pixel;
+
+extern(C)
+{
+	struct ColorPacket
+	{
+		PixelPacket
+			pixel;
+
+		IndexPacket
+			index;
+
+		MagickSizeType
+			count;
+	}
+
+	ColorPacket* GetImageHistogram(const Image*, size_t*, ExceptionInfo*);
+
+	Image* UniqueImageColors(const Image*, ExceptionInfo*);
+
+	MagickBooleanType IsHistogramImage(const Image*, ExceptionInfo*);
+	MagickBooleanType IsPaletteImage(const Image*, ExceptionInfo*);
+	MagickBooleanType MinMaxStretchImage(Image*, const ChannelType, const double, const double);
+
+	size_t GetNumberColors(const Image*, FILE*, ExceptionInfo*);
+}