Add functions for loading image-data from arsd.color

pixmappaint.d

@@ -112,6 +112,26 @@ struct Pixmap {
 		this.width = width;
 	}
 
+	static {
+		/++
+			Creates a Pixmap wrapping the pixel data from the provided `TrueColorImage`.
+
+			Interoperability function: `arsd.color`
+		 +/
+		Pixmap fromTrueColorImage(TrueColorImage source) @nogc {
+			return Pixmap(source.imageData.colors, source.width);
+		}
+
+		/++
+			Creates a Pixmap wrapping the pixel data from the provided `MemoryImage`.
+
+			Interoperability function: `arsd.color`
+		 +/
+		Pixmap fromMemoryImage(MemoryImage source) {
+			return fromTrueColorImage(source.getAsTrueColorImage());
+		}
+	}
+
 @safe pure nothrow @nogc:
 
 	/// Height of the buffer, i.e. the number of lines