Add a line function to the DrawingContext, and a few bug fixes.

3 files changed, 32 insertions, 9 deletions

diff --git a/dmagick/Color.d b/dmagick/Color.d
index ccb8b10..94b6906 100644
--- a/dmagick/Color.d
+++ b/dmagick/Color.d
@@ -29,13 +29,13 @@ class Color
 	{
 		packet = new PixelPacket;
 
-		packet.opacity = TransparentOpacity;
+		packet.opacity = OpaqueOpacity;
 	}
 
 	/**
 	 * Create a Color from the specified Quantums.
 	 */
-	this(Quantum red, Quantum green, Quantum blue, Quantum opacity = 0)
+	this(Quantum red, Quantum green, Quantum blue, Quantum opacity = OpaqueOpacity)
 	{
 		this();
 
@@ -64,10 +64,10 @@ class Color
 	{
 		this();
 
-		packet.red     = packet.red;
-		packet.green   = packet.green;
-		packet.blue    = packet.blue;
-		packet.opacity = packet.opacity;
+		this.packet.red     = packet.red;
+		this.packet.green   = packet.green;
+		this.packet.blue    = packet.blue;
+		this.packet.opacity = packet.opacity;
 	}
 
 	/**
@@ -103,7 +103,7 @@ class Color
 		else
 			string frm = "%08X";
 
-		if ( packet.opacity == 0 )
+		if ( packet.opacity == OpaqueOpacity )
 			return format("#"~frm~frm~frm, packet.red, packet.green, packet.blue);
 		else
 			return format("#"~frm~frm~frm~frm, packet.red, packet.green, packet.blue, packet.opacity);
diff --git a/dmagick/DrawingContext.d b/dmagick/DrawingContext.d
index 51f24f3..f177a51 100644
--- a/dmagick/DrawingContext.d
+++ b/dmagick/DrawingContext.d
@@ -7,6 +7,7 @@
 module dmagick.DrawingContext;
 
 import dmagick.Color;
+import dmagick.Exception;
 import dmagick.Geometry;
 import dmagick.Image;
 import dmagick.Options;
@@ -198,6 +199,28 @@ class DrawingContext
 	}
 
 	/**
+	 * Draw a line from start to end.
+	 */
+	void line(size_t startX, size_t startY, size_t endX, size_t endY)
+	{
+		actions ~= (Image image)
+		{
+			PrimitiveInfo[] primitiveInfo = new PrimitiveInfo[3];
+
+			primitiveInfo[0].coordinates = 3;
+			primitiveInfo[0].primitive = PrimitiveType.LinePrimitive;
+			primitiveInfo[0].point = PointInfo(startX, startY);
+			primitiveInfo[1].primitive = PrimitiveType.LinePrimitive;
+			primitiveInfo[1].point = PointInfo(endX, endY);
+			primitiveInfo[2].primitive = PrimitiveType.UndefinedPrimitive;
+
+			DrawPrimitive(image.imageRef, image.options.drawInfo, primitiveInfo.ptr);
+
+			DMagickException.throwException(&(image.imageRef.exception));
+		};
+	}
+
+	/**
 	 * Text rendering font point size
 	 */
 	void pointSize(double size)
diff --git a/dmagick/Options.d b/dmagick/Options.d
index d11366e..85e1c13 100644
--- a/dmagick/Options.d
+++ b/dmagick/Options.d
@@ -936,7 +936,7 @@ class Options
 	///ditto
 	Color strokeColor() const
 	{
-		return new Color(imageInfo.background_color);
+		return new Color(drawInfo.stroke);
 	}
 
 	/**
@@ -990,7 +990,7 @@ class Options
 		drawInfo.linecap = cap;
 	}
 	///ditto
-	LineCap lineCap() const
+	LineCap strokeLineCap() const
 	{
 		return drawInfo.linecap;
 	}