Add a drawing example.

1 files changed, 80 insertions, 0 deletions

diff --git a/examples/draw.d b/examples/draw.d
new file mode 100644
index 0000000..d3635c5
--- /dev/null
+++ b/examples/draw.d
@@ -0,0 +1,80 @@
+/**
+ * Copyright: Mike Wey 2011
+ * License:   zlib (See accompanying LICENSE file)
+ * Authors:   Mike Wey
+ */
+
+module examples.draw;
+
+import std.conv;
+
+import dmagick.Color;
+import dmagick.ColorRGB;
+import dmagick.DrawingContext;
+import dmagick.Geometry;
+import dmagick.Image;
+
+//TODO: Easier way to import symbols from the headers used by DMagick.
+import dmagick.c.geometry;
+
+void main()
+{
+	int percentage = 95;
+
+	int imageWidth = 320;
+	int imageHeight = 200;
+
+	//Define the colors to use
+	Color borderColor = new Color("snow4");
+	Color cylinderTop = new ColorRGB(1, 1, 1, 0.4);
+	Color textColor   = new Color("red");
+	Color textShadow  = new Color("firebrick3");
+
+	//Define the Gradients to use;
+	Gradient cylinderEmptyColor  = Gradient(new Color("white"),  new Color("gray"),      imageHeight/2);
+	Gradient cylinderinsideColor = Gradient(new Color("white"),  new Color("darkgray"),  imageHeight/2);
+	Gradient cylinderFullColor   = Gradient(new Color("green2"), new Color("darkgreen"), imageHeight/2);
+	Gradient cylinderOutColor    = Gradient(new Color("lime"),   new Color("green4"),    imageHeight/2);
+
+	int progressYmax = (imageHeight * 95) / 100; 
+	int progressYmin = (imageHeight * 55) / 100;
+	int progressXmin = (imageWidth * 5) / 100;
+	int progressXmax = imageWidth - progressXmin;
+	int max = ((percentage * (progressXmax - progressXmin)) / 100) + progressXmin;
+	int wc = (progressYmax - progressYmin) / 4;
+	int hc = (progressYmax - progressYmin) / 2;
+	int fontsize = (imageHeight * 2) / 5;
+
+	//Minimum progress width.
+	if ( max < progressXmin + (2 * wc))
+		max = progressXmin + (2 * wc);
+
+	Image cylinder = new Image(Geometry(imageWidth, imageHeight), new Color("white"));
+	DrawingContext dc = new DrawingContext();
+
+	dc.stroke(borderColor);
+
+	dc.push();
+	dc.fill(cylinderEmptyColor);
+	dc.roundRectangle(progressXmin, progressYmin, progressXmax, progressYmax, wc, hc);
+
+	dc.fill(cylinderFullColor);
+	dc.roundRectangle(progressXmin, progressYmin, max, progressYmax, wc, hc);
+
+	dc.fill(cylinderOutColor);
+	dc.roundRectangle(max - (2 * wc), progressYmin, max, progressYmax, wc, hc);
+	dc.pop();
+
+	dc.fill(cylinderTop);
+	dc.roundRectangle(progressXmax - (2 * wc), progressYmin, progressXmax, progressYmax, wc, hc);
+
+	dc.font("Helvetica");
+	dc.fontSize(fontsize);
+	dc.stroke(textShadow);
+	dc.fill(textColor);
+	dc.gravity(GravityType.NorthGravity);
+	dc.text(0,(imageHeight * 10) / 100, to!(string)(percentage)~" %");
+
+	dc.draw(cylinder);
+	cylinder.display();
+}